2008-07-11  Anatoly Sokolov  <aesok@post.ru>	

	* config/avr/avr-protos.h (avr_peep2_scratch_safe): Remove prototype.
	* config/avr/avr.c (avr_peep2_scratch_safe): Remove.
	(avr_hard_regno_scratch_ok): New function.
	(TARGET_HARD_REGNO_SCRATCH_OK): Define.
	* config/avr/avr.md (all peepholes that request a scratch register):
	Remove avr_peep2_scratch_safe use.

2008-07-11  Tom Tromey  <tromey@redhat.com>
	    Ian Lance Taylor  <iant@google.com>

	* c-common.h (enum rid): Add RID_CXX_COMPAT_WARN.
	(struct c_common_resword): Define.
	(D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define.
	(D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define.
	(c_common_reswords, num_c_common_reswords): Declare.
	* c-common.c (c_common_reswords): New global const array.
	(num_c_common_reswords): New const int.
	* c-parser.c (struct resword, reswords): Don't define.
	(D_C89, D_EXT, D_EXT89, D_OBJC): Don't define.
	(c_parse_init): Clarify mask code.  Use c_common_reswords rather
	than reswords.  If warning about C++ keywords, give them a special
	RID code.
	(c_lex_one_token): Warn about C++ keywords.  Call
	objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD.
	(c_parser_external_declaration): Look for RID_xxx rather than
	RID_AT_xxx, for ObjC++ keywords which are also C++ keywords.
	(c_parser_statement_after_labels): Likewise.
	(c_parser_objc_class_instance_variables): Likewise.
	(c_parser_objc_class_declaration): Likewise.
	(c_parser_objc_try_catch_statement): Likewise.
	* c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN.
	(declspecs_add_type): Likewise.

2008-07-11  Angelo Graziosi  <angelo.graziosi@alice.it>

	* ggc-page.c (alloc_page):
	Substituting xmalloc, xcalloc with
	XNEWVEC and XCNEWVAR macros which add the
	needed casts.

2008-07-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36765
	* tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
	aliases from HEAP vars to SMTs.

2008-07-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* Makefile.in (LOOSE_WARN, STRICT_WARN): Update comments.
	* configure.ac (loose_warn): Move -Wc++-compat from here...
	(strict_warn): ...to here.
	* configure: Regenerate.

2008-07-10  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (arm-*-coff*, armel-*-coff*, h8300-*-*,
	i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*,
	m68k-*-coff*, sh-*-*, mips-sgi-irix[56]*, pdp11-*-bsd,
	rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Deprecate targets,
	excluding more specific h8300-*-* and sh-*-* targets.

2008-07-10  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert
	calls.
	(eliminate): Ditto.
	(execute_pre): Call loop_optimizer_finalize in early exit.

2008-07-10  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/36790
	* omp-low.c (lower_omp_2): If task_shared_vars, test all DECL_P
	uids in the bitmap, not just VAR_DECL uids.

	PR rtl-optimization/36419
	* combine-stack-adj.c (adjust_frame_related_expr): New function.
	(combine_stack_adjustments_for_block): Call it if needed.  Delete
	correct insn.
	* dwarf2out.c (dwarf2out_frame_debug_expr): Adjust
	DW_CFA_GNU_args_size if CSA pass merged some adjustments into
	prologue sp adjustment.

2008-07-10  Peter Maydell  <pmaydell@chiark.greenend.org.uk>

	PR other/28322
	* opts.c (print_ignored_options): Report postponed diagnostics for
	unknown -Wno-* options as warnings, not errors.
	(postpone_unknown_option_error): Renamed to...
	(postpone_unknown_option_warning): ... this.

2008-07-09  Doug Kwan  <dougkwan@google.com>

	Revert:
	2008-07-08  Doug Kwan  <dougkwan@google.com>

	* config/arm/arm.opt (mandroid): New option.
	* config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
	(LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
	(CC1_SPEC): Same.
	(CC1PLUS_SPEC): Same.
	(LIB_SPEC): Same.
	(STARTFILE_SPEC): Same.
	(ENDFILE_SPEC): Same.
	(TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
	used.

2008-07-09  Richard Sandiford  <rdsandiford@googlemail.com>

	PR target/35802
	* config/mips/mips.h (reg_class): Remove V1_REG.
	(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
	* config/mips/mips.c (mips_regno_to_class): Map $3 to M16_NA_REGS
	instead of V1_REGS.
	(mips_get_tp): New function.
	(mips_legitimize_tls_address): Use it.
	* config/mips/constraints.md (v): Delete.
	* config/mips/mips.md (TLS_GET_TP_REGNUM): New constant.
	(tls_get_tp_<mode>): Allow any GPR destination and clobber $3.
	After reload, split into a move and ...
	(*tls_get_tp_<mode>_split): ...this new instruction.

2008-07-09  David Daney  <ddaney@avtrex.com>

	* config/mips/driver-native.c: Include coretypes.h and tm.h.

2008-07-09  Jakub Jelinek  <jakub@redhat.com>

	* gimplify.c (struct gimplify_ctx): Move to tree-gimple.h.
	(push_gimplify_context): Don't allocate temp_htab nor c itself here.
	Add c argument.
	(pop_gimplify_context): Check c->temp_htab instead of optimize whether
	htab_delete should be called.  Don't free c.
	(lookup_tmp_var): Create temp_htab lazily.
	(gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task,
	gimplify_body, force_gimple_operand): Adjust push_gimplify_context
	callers.
	* omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master,
	lower_omp_ordered, lower_omp_critical, lower_omp_for,
	create_task_copyfn, lower_omp_taskreg, execute_lower_omp): 
	* tree-ssa-ccp.c (convert_to_gimple_builtin): Likewise.
	* tree-sra.c (generate_element_init): Likewise.
	* tree-mudflap.c (execute_mudflap_function_ops,
	execute_mudflap_function_decls): Likewise.
	* tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise.
	* tree-gimple.h (struct gimplify_ctx): New type.
	(push_gimplify_context): Adjust prototype.

2008-07-09  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-pre.c (phi_translate_1): Update placement of
	add_to_value calls.

2008-07-09  Anatoly Sokolov  <aesok@post.ru>

	* target.h (struct gcc_target): Add hard_regno_scratch_ok field.
	* target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New.
	(TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK.
	* targhooks.c (default_hard_regno_scratch_ok): New function.
	* targhooks.h (default_hard_regno_scratch_ok): Declare function.
	* doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook.
	* recog.c:  Include "target.h".
	(peep2_find_free_register): Add check for global regs. Add target
	specific check.
	* Makefile.in (recog.o): Depend on target.h.

2008-07-09  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_canonical_va_list_type): New.
	(TARGET_CANONICAL_VA_LIST_TYPE): Define.

2008-07-09  Raksit Ashok <raksit@google.com>

	* doc/invoke.texi (Option Summary): Mention new option
	-Wdisallowed-function-list=...
	(Warning Options): Document -Wdisallowed-function-list=...
	* common.opt (Wdisallowed-function-list=): New flag.
	* flags.h (warn_disallowed_functions): External definition of new
	boolean warning flag.
	(warn_if_disallowed_function_p): Declare new function.
	* opts.c (warning_disallowed_functions): New static variable.
	(warn_disallowed_functions): New boolean warning flag.
	(warn_if_disallowed_function_p): New function.
	(add_comma_separated_to_vector): Rename
	add_instrument_functions_exclude_list to this.
	(common_handle_option): Handle new option. Rename calls to
	add_instrument_functions_exclude_list into calls to
	add_comma_separated_to_vector.
	* c-parser.c (c_parser_postfix_expression_after_primary): New warning
	based on flag warn_disallowed_functions.

2008-07-09  Christian Bruel  <christian.bruel@st.com>

	* final.c (get_attr_length_1): Call get_attr_length_1 with fallback_fn
	 instead of get_attr_length.

2008-07-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* genattrtab.c (insert_right_side, evaluate_eq_attr): Avoid C++
	keywords.
	* genemit.c (gen_insn): Likewise.
	* gengtype.c (note_def_vec): Likewise.
	* gengtype.h (note_def_vec): Likewise.
	* genoutput.c (struct data, output_insn_data, process_template,
	gen_expand, gen_split, note_constraint): Likewise.
	* genrecog.c (new_decision, add_to_sequence, factor_tests,
	make_insn_sequence): Likewise.
	* gensupport.c (record_insn_name): Likewise.

2008-07-08  Doug Kwan  <dougkwan@google.com>

	* config/arm/arm.opt (mandroid): New option.
	* config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
	(LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
	(CC1_SPEC): Same.
	(CC1PLUS_SPEC): Same.
	(LIB_SPEC): Same.
	(STARTFILE_SPEC): Same.
	(ENDFILE_SPEC): Same.
	(TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
	used.

2008-07-08  Raksit Ashok  <raksit@google.com>

	* expr.c (emit_block_move_via_movmem): Fix expected_align parameter.
	(set_storage_via_setmem): Fix expected_align parameter.
	* doc/invoke.texi (i386 and x86-64 Options): Add a couple of options
	missing from the list.
	* doc/md.texi (movmem): Explicitly state that expected alignment is
	to be expressed in bytes.
	(setmem): Explicitly state that expected alignment is to be expressed
	in bytes.

2008-07-08  Joseph Myers  <joseph@codesourcery.com>

	* reload.c (find_reloads_subreg_address): Do not require validity
	of address in original mode before reloading address.

2008-07-07  Tianwei Sheng  <tianweis@google.com>

	* df-core.c (df_remove_problem): Adjust the access to avoid out of
	bounds array access.

2008-07-08  Jakub Jelinek  <jakub@redhat.com>

	* tree-sra.c (sra_build_assignment): Handle CONVERT_EXPR_P
	dst.

2008-07-05  Daniel Berlin  <dberlin@dberlin.org>
	
	Fix PR tree-optimization/23455
	Fix PR tree-optimization/35286
	Fix PR tree-optimization/35287
	* Makefile.in (OBJS-common): Remove tree-vn.o.
	tree-vn.o: Remove.
	* dbgcnt.def: Add treepre_insert debug counter.
	* gcc/tree-flow.h (add_to_value): Updated for other changes.
	(debug_value_expressions): Ditto.
	(print_value_expressions): Ditto.
	* tree-pretty-print.c (dump_generic_node): Updated for
	VALUE_HANDLE removal.
	* tree-ssa-dom.c (record_equality): Ditto.
	(cprop_operand): Ditto.
	(lookup_avail_expr): Ditto.
	* tree-ssa-threadedge.c
	(record_temporary_equivalences_from_stmts_at_dest): Ditto.
	(simplify_control_stmt_condition): Ditto.
	* tree.c (tree_code_size): Ditto.
	(tree_node_structure): Ditto.
	(iterative_hash_expr): Ditto.
	* tree.def: Ditto.
	* tree.h (VALUE_HANDLE_ID): Ditto.
	(VALUE_HANDLE_EXPR_SET): Ditto.
	(struct tree_value_handle): Ditto.
	(union tree_node): Ditto.
	* treestruct.def: Ditto.
	* tree-vn.c: Removed.
	* tree-ssa-pre.c: Rewritten entirely.
	* tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
	(constant_value_ids): Ditto.
	(vn_nary_op_t): Moved to header.
	(vn_phi_t): Ditto.
	(vn_reference_op_t): Ditto
	(vn_reference_t): Ditto.
	(next_value_id): New variable.
	(VN_INFO): Add an assert.
	(vn_constant_eq): New function.
	(vn_constant_hash): Ditto.
	(get_or_alloc_constant_value_id): Ditto.
	(value_id_constant_p): Ditto.
	(vn_reference_compute_hash): De-staticify.
	(copy_reference_ops_from_ref): Don't use get_callee_fndecl.
	Disable some code with a FIXME.
	Remove VALUE_HANDLE use.
	(valueize_refs): Update opcode if it changes from ssa name to
	constant.
	(vn_reference_lookup_1): Add new argument.
	(vn_reference_lookup):  Ditto.
	(vn_reference_lookup_pieces): New function.
	(vn_reference_insert): Add return type. Modify to deal with value
	ids.
	(vn_reference_insert_pieces):  New function.
	(vn_nary_op_compute_hash): De-staticify.
	(vn_nary_op_eq): Ditto.
	(vn_nary_op_lookup_pieces): New function.
	(vn_nary_op_lookup): Add new argument.  
	(vn_nary_op_insert_pieces): New function.
	(vn_nary_op_insert): Add return type. Modify to deal with value
	ids.
	(vn_phi_insert): Ditto.
	(visit_unary_op): Update for callee changes.
	(visit_binary_op): Ditto.
	(visit_reference_op_load): Ditto.
	(visit_reference_op_store): Ditto.
	(init_scc_vn): Init next_value_id, constant_to_value_id and
	constant_value_ids. 
	(free_scc_vn): Free them.
	(set_hashtable_value_ids): New function.
	(run_scc_vn): Use it.
	(get_max_value_id): New function.
	(get_next_value_id): Ditto.
	(expressions_equal_p): Moved from tree-vn.c
	(sort_vuses): Ditto.
	(sort_vuses_heap): Ditto.
	* tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
	above).
	* tree.c (iterative_hash_hashval_t): Made non-static
	* tree.h (iterative_hash_hashval_t): Declare it.
	
2008-07-08  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.c (ipcp_init_cloned_node): Call ipa_check_create_node_params
	instead of ipa_create_node_params.
	(ipcp_driver): Allocate infos with ipa_check_create_node_params and
	ipa_check_create_edge_args, free them with
	free_all_ipa_structures_after_ipa_cp, call ipa_register_cgraph_hooks.

	* ipa-prop.c: Include flags.h and tree-inline.h.
	(ipa_node_params_vector): New variable.
	(ipa_edge_args_vector): New variable.
	(edge_removal_hook_holder): New variable.
	(node_removal_hook_holder): New variable.
	(edge_duplication_hook_holder): New variable.
	(node_duplication_hook_holder): New variable.
	(ipa_detect_param_modifications): Check for presence of modified flags.
	(ipa_compute_jump_functions): Check for presence of jump functions.
	(ipa_free_edge_args_substructures): New function.
	(ipa_create_node_params): Removed.
	(ipa_free_all_edge_args): Changed to deallocate the on-the-side vector.
	(ipa_free_node_params_substructures): New function.
	(ipa_free_all_node_params): Changed to deallocate the on-the-side
	vector.
	(ipa_edge_removal_hook): New function.
	(ipa_node_removal_hook): New function.
	(duplicate_array): New function.
	(ipa_edge_duplication_hook): New function.
	(ipa_node_duplication_hook): New function.
	(ipa_register_cgraph_hooks): New function.
	(ipa_unregister_cgraph_hooks): New function.
	(free_all_ipa_structures_after_ipa_cp): New function.
	
	* ipa-prop.h: Include vec.h.
	(ipa_node_params_t): New typedef with vector types for it.
	(ipa_edge_args_t):  New typedef with vector types for it.
	(IPA_NODE_REF): Changed to access an on-the-side vector.
	(IPA_EDGE_REF): Changed to access an on-the-side vector.
	(ipa_check_create_node_params): New function.
	(ipa_check_create_edge_args): New function.
	
	* Makefile.in (IPA_PROP_H): New variable for ipa-prop.h.  Converted
	all users.
	
2008-07-07  Tom Tromey  <tromey@redhat.com>

	* configure, config.in: Rebuilt.
	* configure.ac: Don't check for scandir or alphasort.

2008-07-07  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (arm_init_neon_builtins): Register built-in
	types immediately after creating them.

2008-07-07  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/aout.h (DOLLARS_IN_IDENTIFIERS): Remove.

2008-07-07  Fernando Pereira <fernando@cs.ucla.edu>

        * tree-ssa-structalias.c (compute_points_to_sets): Add call to
        dump_constraint_graph.
        (dump_constraint_edge): New function.
        (dump_constraint_graph): New function.
        (debug_constraint_graph): New function.
        (dump_constraint): Removed useless comparison.
        * tree-ssa-structalias.h (dump_constraint_edge): Declare.
        (dump_constraint_graph): Declare.
        (debug_constraint_graph): Declare.
        * tree-dump.c (struct dump_option_value_info): Declare
        TDF_GRAPH.

2008-07-07  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.c (is_va_list_char_pointer): New.
	(ix86_va_start): Replace compare with ms_va_list_type_node
	by is_va_list_char_pointer.
	(ix86_gimplify_va_arg): Likewise.

2008-07-07  Martin Jambor  <mjambor@suse.cz>

	* cgraph.c (cgraph_edge_max_uid): New variable.
	(struct cgraph_edge_hook_list): New type.
	(struct cgraph_node_hook_list): New type.
	(struct cgraph_2edge_hook_list): New type.
	(struct cgraph_2node_hook_list): New type.
	(first_cgraph_edge_removal_hook): New variable.
	(first_cgraph_node_removal_hook): New variable.
	(first_cgraph_edge_duplicated_hook): New variable.
	(first_cgraph_node_duplicated_hook): New variable.
	(cgraph_add_edge_removal_hook): New function.
	(cgraph_remove_edge_removal_hook): New function.
	(cgraph_call_edge_removal_hooks):  New function.
	(cgraph_add_node_removal_hook):  New function.
	(cgraph_remove_node_removal_hook):  New function.
	(cgraph_call_node_removal_hooks):  New function.
	(cgraph_add_edge_duplication_hook):  New function.
	(cgraph_remove_edge_duplication_hook):  New function.
	(cgraph_call_edge_duplication_hooks):  New function.
	(cgraph_add_node_duplication_hook):  New function.
	(cgraph_remove_node_duplication_hook):  New function.
	(cgraph_call_node_duplication_hooks):  New function.
	(cgraph_create_edge): Assign to edge uid.
	(cgraph_remove_edge): Call edge removal hooks.
	(cgraph_node_remove_callees): Call edge removal hooks.
	(cgraph_node_remove_callers): Call edge removal hooks.
	(cgraph_remove_node): Call node removal hooks.
	(cgraph_clone_edge): Call edge duplication hooks.
	(cgraph_clone_node): Call node duplication hooks.

	* cgraph.h (cgraph_edge): New field uid.
	(cgraph_edge_hook): New type.
	(cgraph_node_hook): New type.
	(cgraph_2edge_hook): New type.
	(cgraph_2node_hook): New type.

2008-07-07  Andreas Tobler  <a.tobler@schweiz.org>

	* config.in: Regenerate.

2008-07-07  Vladimir Prus  <vladimir@codesourcery.com>

	* gcc.c (print_sysroot): New.
	(option_map, display_help, process_command): Handle the
	-print-sysroot option.
	(main): Print the sysroot if requested.
	* doc/invoke.texi (Debugging Options): Document -print-sysroot.
	
2008-07-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR target/34780
	* unwind-pe.h (size_of_encoded_value): add attribute unused.

2008-07-07  Daniel Jacobowitz  <dan@codesourcery.com>

	* function.c (assign_parm_remove_parallels): Check mode of
	entry_parm.
	(assign_parm_setup_block_p): Also check mode of entry_parm.

2008-07-07  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.h (set_used_smts): Remove.
	* tree-ssa-structalias.c (used_smts): Likewise.
	(set_used_smts): Likewise.
	* tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove
	call to set_used_smts.

2008-07-07  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.
	(new_var_info): Set it to false.
	(solution_set_add): Correctly handle pointers outside a var and
	inside a field.
	(type_safe): Treat variables with is_full_var properly.
	(do_sd_constraint): Likewise.
	(do_ds_constraint): Likewise.
	(process_constraint): Remove zeroing offset for !use_field_sensitive.
	(get_constraint_for_ptr_offset): New function.
	(get_constraint_for_component_ref): For addresses at least include
	the last field of the variable.  Handle is_full_vars properly.
	(get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR.
	(handle_ptr_arith): Remove.
	(find_func_aliases): Simplify assignment handling.
	(create_function_info_for): For parameter and result varinfos set
	is_full_var flag.
	(create_variable_info_for): Set is_full_var flag whenever we
	just created a single varinfo for a decl.
	(init_alias_vars): Initialize use_field_sensitive from
	max-fields-for-field-sensitive parameter.

2008-07-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36713
	* tree-flow-inline.h (is_call_used): New function.
	* tree-nrv.c (dest_safe_for_nrv_p): Use it.
	* tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
	* tree-outof-ssa.c (create_temp): Set call-used flag if required.

2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types.
	
2008-07-07  Mark Shinwell  <shinwell@codesourcery.com>

	* config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.

2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
	    Nathan Sidwell  <nathan@codesourcery.com>

	* config.gcc (m68k-*-linux*): Add with_arch.  Add sysroot-suffix.h
	to tm_file.  Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
	tmake_file.
	* config/m68k/t-linux: New.
	* doc/install.texi: Document m68k-*-linux is now multilibbed by
	default.

2008-07-07  Nathan Sidwell  <nathan@codesourcery.com>

	* config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac.
	* config/m68k/m68k-devices.def: Remove multilibs that only differ
	by MAC/EMAC.

2008-07-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* gcc.c (execute): Fix -Wc++-compat warning.

2008-07-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/36720
	* config/ia64/ia64.c (ia64_split_tmode): Fix typo in TImode
	constant for little endian.

2008-07-06  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Check
	mips_base_mips16 instead of TARGET_MIPS16.
	(mips_base_mips16): Declare.
	* config/mips/mips.c (mips_base_mips16): Make global.
	(was_mips16_p): Remove GTY marker.
	(was_mips16_pch_p): New variable.
	(mips_set_mips16_mode): Check both was_mips16_p and was_mips16_pch_p.
	(mips_override_options): Force to non-MIPS16 mode initially.
	Do not complain about MIPS16 PIC incompatibilities here.
	Only allow -mgpopt if -mexplicit-relocs is in force for
	non-MIPS16 code.

2008-07-06  Andreas Tobler  <a.tobler@schweiz.org>

	* configure.ac: Check for caddr_t, define to char * if not defined.
	* configure: Regenerate.
	* ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings.
	(mmap_gt_pch_use_address): Likewise.
	* config/host-solaris.c (sol_gt_pch_use_address): Likewise.

2008-07-06  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (struct variable_info): Remove has_union.
	(new_var_info): Deal with it.
	(solution_set_add): Likewise.
	(bitpos_of_field): Make signed, fix.
	(struct fieldoff): Remove type and decl fields.  Make size field
	unsigned HOST_WIDE_INT.  Add has_unknown_size and may_have_pointers
	flags.
	(fieldoff_compare): Deal with it.
	(push_fields_onto_fieldstack): Remove has_union argument, glob
	adjacent non-pointer fields together.
	(create_function_info_for): Do not set has_union.
	(create_variable_info_for): Simplify.

2008-07-06  Kai Tietz  <kai.tietz@onevision.com>

	* config.gcc (extra_headers): Add cross-stdarg.h for target
	x86_64-*-* and i?86-*-*.
	* config/i386/cross-stdarg.h: New.
	* builtins.c (std_fn_abi_va_list): New.
	(std_canonical_va_list_type): New.
	(stabilize_va_list): Replace va_list_type_node use by
	mtarget.canonical_va_list_type.
	(gimplify_va_arg_expr): Likewise.
	(expand_builtin_va_copy): Replace va_list_type_node use by
	mtarget.fn_abi_va_list.
	* tree-sra.c (is_va_list_type): New helper.
	(decl_can_be_decomposed_p): Replace
	va_list_type_node use by is_va_list_type.
	* tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise.
	* tree-stdarg.c (execute_optimize_stdarg): Likewise.
	* c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST.
	* config/i386/i386-protos.h (ix86_get_valist_type): New.
	(ix86_enum_va_list): New.
	* config/i386/i386.c (sysv_va_list_type_node): New.
	(ms_va_list_type_node): New.
	(ix86_function_type_abi): Remove sorry.
	(ix86_build_builtin_va_list_abi): New.
	(ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi
	for 64-bit targets.
	(ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node.
	(ix86_init_builtins_va_builtins_abi): New.
	(ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi
	for 64-bit targets.
	(ix86_handle_abi_attribute): New.
	(attribute_spec): Add sysv_abi and ms_abi.
	(ix86_fn_abi_va_list): New.
	(ix86_canonical_va_list_type): New.
	(ix86_enum_va_list): New.
	(TARGET_FN_ABI_VA_LIST): New.
	(TARGET_CANONICAL_VA_LIST_TYPE): New.
	* config/i386/i386.h (TARGET_ENUM_VA_LIST): New.
	* doc/tm.texi (TARGET_FN_ABI_VA_LIST): New.
	(TARGET_CANONICAL_VA_LIST_TYPE): New.
	(TARGET_ENUM_VA_LIST): New.
	* expr.h (std_fn_abi_va_list): New.
	(std_canonical_va_list_type): New.
	* target-def.h (TARGET_FN_ABI_VA_LIST): New.
	(TARGET_CANONICAL_VA_LIST_TYPE): New.
	(TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and
	TARGET_CANONICAL_VA_LIST_TYPE.
	* target.h (struct gcc_target): Add fn_abi_va_list hook
	and canonical_va_list_type hook.

2008-07-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	* fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as
	integral and pointer types.

2008-07-04  Roger Sayle  <roger@eyesopen.com>

	* config/rs6000/host-darwin.c (darwin_rs6000_extra_siganls): Cast
	the "void*" result of xmalloc to "char*" to fix bootstrap breakage.

2008-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/36684
	* config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns
	for PIC.

2008-07-04  Jakub Jelinek  <jakub@redhat.com>

	* tree-switch-conversion.c (build_one_array, gen_def_assigns): Use
	build_gimple_modify_stmt.
	(build_arrays, gen_inbound_check): Likewise.  Force RHS to be
	gimple operand.  Use fold_build* instead of build*.

2008-07-04  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
	(do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
	properly to compute the reachability set if we do field-sensitive PTA.
	* invoke.texi (max-fields-for-field-sensitive): Document default.
	* opts.c (decode_options): Set max-fields-for-field-sensitive to
	100 for optimize >= 2.

2008-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* ggc-zone.c (lookup_page_table_if_allocated,
	set_page_table_entry, zone_find_object_size, alloc_small_page,
	alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc,
	new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix
	-Wc++-compat and/or -Wcast-qual warnings.

2008-07-04  Alan Modra  <amodra@bigpond.net.au>

	PR target/36634
	* config/rs6000/rs6000.md (call, call_value): Don't arrange for
	pic_offset_table_rtx to be marked as used here.
	(call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for
	TARGET_SECURE_PLT to "use" pic_offset_table_rtx.
	(call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn.
	(sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert
	!TARGET_SECURE_PLT.

2008-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* alloc-pool.c (hash_descriptor, eq_descriptor,
	alloc_pool_descriptor): Fix -Wc++-compat warnings.
	* bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor):
	Likewise.
	* ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr,
	loc_descriptor, ggc_prune_ptr, ggc_free_overhead,
	final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics):
	Likewise.
	* varray.c (hash_descriptor, eq_descriptor, varray_descriptor):
	Likewise.

2008-07-03  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-flow.h (loop_only_exit_p): Declare.
	* tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
	* tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
	the number of iterations if it is constant.  Otherwise, if this is the
	only possible exit of the loop, use the conservative estimate on the
	number of iterations of the entire loop if available.

2008-07-03  Richard Sandiford  <rdsandiford@googlemail.com>

	* Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
	* libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
	Add synchronization functions.
	* config/sync.c: New file.
	* config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
	(LIBGCC_SYNC_CFLAGS): Likewise.

2008-07-03  Uros Bizjak  <ubizjak@gmail.com>

	PR target/36710
	* config/i386/i386.md (mode): Add TF to "mode" attribute.
	(*pushtf_sse): New insn pattern.
	(pushtf splitters): New splitters.

2008-07-03  Michael Meissner  <gnu@the-meissners.org>

	PR middle-end/35736
	* predict.c (build_predict_expr): Use void_type_node for the tree
	type, instead of NULL_TREE.

2008-07-03  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (contains_aligned_value_p): Return true
	for TCmode.
	(ix86_data_alignment): Align TCmode to 128bits.
	(ix86_local_alignment): Likewise.

2008-07-03  Andrew Haley  <aph@redhat.com>

	PR bootstrap/33304
	* vec.h (VEC_TA): New.
	(DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
	DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
	* c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
	(C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
	(C_COMMON_FIXED_TYPES): Remove first arg.
	(C_COMMON_FIXED_MODE_TYPES): Likewise.
	* tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
	MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
	not to use empty macro arguments.

2008-07-02  Joseph Myers  <joseph@codesourcery.com>

	* config/alpha/vms_tramp.asm, config/arm/crti.asm,
	config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s,
	config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm,
	config/frv/lib1funcs.asm, config/i386/sol2-c1.asm,
	config/i386/sol2-ci.asm, config/i386/sol2-cn.asm,
	config/i386/sol2-gc1.asm, config/ia64/crti.asm,
	config/ia64/crtn.asm, config/m68hc11/larith.asm,
	config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s,
	config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm,
	config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
	config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
	config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
	config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm,
	config/rs6000/e500crtres64gpr.asm,
	config/rs6000/e500crtres64gprctr.asm,
	config/rs6000/e500crtrest32gpr.asm,
	config/rs6000/e500crtrest64gpr.asm,
	config/rs6000/e500crtresx32gpr.asm,
	config/rs6000/e500crtresx64gpr.asm,
	config/rs6000/e500crtsav32gpr.asm,
	config/rs6000/e500crtsav64gpr.asm,
	config/rs6000/e500crtsav64gprctr.asm,
	config/rs6000/e500crtsavg32gpr.asm,
	config/rs6000/e500crtsavg64gpr.asm,
	config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm,
	config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm,
	config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
	config/rs6000/tramp.asm, config/sparc/sol2-ci.asm,
	config/sparc/sol2-cn.asm: Remove .file directives.

2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* resource.c (mark_referenced_resources): Look inside
	UNSPEC_VOLATILEs and ASM_INPUTs.

2008-07-02  Ian Lance Taylor  <iant@google.com>

	* rtlanal.c (add_reg_note): New function.
	* rtl.h (add_reg_note): Declare.
	* auto-inc-dec.c (attempt_change): Use add_reg_note.
	* bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
	* builtins.c (expand_builtin_longjmp): Likewise.
	(expand_builtin_nonlocal_goto): Likewise.
	* calls.c (emit_call_1, expand_call): Likewise.
	* cfgexpand.c (add_reg_br_prob_note): Likewise.
	* cfglayout.c (fixup_reorder_chain): Likewise.
	* cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
	(commit_one_edge_insertion): Likewise.
	* combine.c (move_deaths, distribute_notes): Likewise.
	* df-problems.c (df_set_note): Likewise.
	* emit-rtl.c (link_cc0_insns, try_split): Likewise.
	(set_unique_reg_note): Likewise.
	(emit_copy_of_insn_after): Likewise.
	* expr.c (expand_expr_real): Likewise.
	* gcse.c (add_label_notes): Likewise.
	* haifa-sched.c (create_check_block_twin): Likewise.
	* jump.c (mark_jump_label_1): Likewise.
	* loop-doloop.c (add_test, doloop_modify): Likewise.
	* loop-unswitch.c (compare_and_jump_seq): Likewise.
	* lower-subreg.c (move_eh_region_note): Likewise.
	* optabs.c (emit_libcall_block): Likewise.
	* predict.c (predict_insn): Likewise.
	(combine_predictions_for_insn): Likewise.
	* recog.c (peephole2_optimize): Likewise.
	* regmove.c (try_auto_increment): Likewise.
	* reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
	* reload.c (find_reloads): Likewise.
	* reload1.c (fixup_eh_region_note): Likewise.
	(reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
	* reorg.c (delete_prior_computation): Likewise.
	(delete_computation, dbr_schedule): Likewise.
	* config/pa/pa.c (legitimize_pic_address): Likewise.
	* config/sh/sh.c (sh_reorg): Likewise.

2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/36669
	* config/libgcc-glibc.ver: Add %exclude.
	* config/m32r/libgcc-glibc.ver: Likwise.
	* config/s390/libgcc-glibc.ver: Likwise.
	* config/sh/libgcc-glibc.ver: Likwise.
	* config/sparc/libgcc-sparc-glibc.ver: Likwise.

	* config/i386/libgcc-glibc.ver: New.

	* config/i386/libgcc-x86_64-glibc.ver: Removed.

2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
	from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
	i[34567]86-*-linux*, x86_64-*-linux*.  Add
	i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
	i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
	x86_64-*-linux*.  Add i386/t-linux to tmake_file for
	i[34567]86-*-linux*, x86_64-*-linux*.

	* libgcc-std.ver: Add empty GCC_4.4.0.

	* mkmap-symver.awk: Support multiple versions per symbol.

	* config/i386/i386.c (ix86_init_builtins): Always define
	__builtin_fabsq and __builtin_copysignq with fallbacks.
	(ix86_expand_builtin): Emit normal call for __builtin_fabsq
	and __builtin_copysignq if SSE2 isn't available.

	* config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
	(LIBGCC2_TF_CEXT): Likwise.
	(TF_SIZE): Likwise.

	* config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.

	* config/i386/sfp-machine.h: Moved to libgcc.

	* config/i386/sfp-machine.h: New.
	* config/i386/t-linux: Likwise.

	* config/i386/t-darwin: Remove softfp_wrap_start and
	softfp_wrap_end.
	* config/i386/t-darwin64: Likewise.

	* config/i386/t-fprules-softfp64: Renamed to ...
	* config/i386/t-fprules-softfp: This.

	* config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
	and softfp_wrap_end.

2008-07-02  Jason Merrill  <jason@redhat.com>

	* tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.

	* tree.c (ctor_to_list): New fn.
	* tree.h: Declare it.
	(CONSTRUCTOR_ELT): New macro.
	(CONSTRUCTOR_NELTS): New macro.

2008-07-02  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (struct variable_info): Reorder
	to fill padding on 64bit hosts.  Make collapsed_to an int.
	(get_varinfo_fc): Deal with that.
	(new_var_info): Likewise.
	(collapse_rest_of_var): Likewise.

2008-07-02  Joshua Sumali  <jsumali@redhat.com>

	* doc/install.texi (--enable-java-home): Document.
	(--enable-aot-compile-rpm): Likewise.
	(--with-arch-directory): Likewise.
	(--with-os-directory): Likewise.
	(--with-origin-name): Likewise.
	(--with-arch-suffix): Likewise.
	(--with-jvm-root-dir): Likewise.
	(--with-jvm-jar-dir): Likewise.
	(--with-python-dir): Likewise.

2008-07-02  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (can_propagate_from): Exclude loads
	from decls explicitly.  Merge operand checking from tuples.

2008-07-02  Martin Jambor  <mjambor@suse.cz>

	* tree-switch-conversion.c: Included timevar.h which I forgot before.
	
2008-07-02  Martin Jambor  <mjambor@suse.cz>

	* tree-switch-conversion.c: Included timevar.h
	(pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).

	* timevar.def: Added TV_TREE_SWITCH_CONVERSION.

2008-07-02  Martin Jambor  <mjambor@suse.cz>

	* tree-switch-conversion.c: Corrected various comments and
	whitespace issues
	(build_constructors): Fixed minor formatting mistakes.

	* invoke.texi (Optimize Options): Corrected the
	switch-conversion-max-branch-ratio parameter.

2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>

	* final.c (asm_insn_count): Return zero for an empty asm body.

2008-07-02  Richard Guenther  <rguenther@suse.de>

	* bitmap.h (bitmap_set_bit): Return bool.
	(bitmap_clear_bit): Likewise.
	* bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
	write to the bitmap if it would.
	(bitmap_clear_bit): Likewise.
	* tree-ssa-structalias.c (add_implicit_graph_edge): Use
	bitmap_set_bit return value.
	(add_pred_graph_edge): Likewise.
	(add_graph_edge): Likewise.
	(do_sd_constraint): Likewise.
	(do_ds_constraint): Likewise.

2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
	Fix -Wc++-compat and/or -Wcast-qual warnings.
	* config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
	gen_regparm_prefix): Likewise.
	* vmsdbgout.c (write_modbeg, lookup_filename,
	vmsdbgout_source_line, vmsdbgout_init): Likewise.

2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
	defaults.h definition apply.

2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>

	* function.c (assign_parm_remove_parallels): New.
	(assign_parm_setup_block_p): Do not return true for non-BLKmode
	PARALLELs.
	(assign_parm_setup_block): Do not handle them.
	(assign_parm_setup_reg, assign_parm_setup_stack): Call
	assign_parm_remove_parallels.

2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>

	* c-typeck.c (convert_for_assignment): Use
	vector_targets_convertible_p.
	* c-common.c (vector_targets_convertible_p): New.
	* c-common.h (vector_targets_convertible_p): New prototype.
	* config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
	opaque_p_V2SI_type_node.

2008-07-01  Steve Ellcey  <sje@cup.hp.com>

	* config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
	RFmode constants.

2008-07-01  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
	TFmode constants via two element DImode vector for hosts with
	HOST_BITS_PER_WIDE_INT < 64.
	(ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
	also for HOST_BITS_PER_WIDE_INT < 64.

2008-07-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36666
	* tree-ssa-structalias.c (get_constraint_for_1): Declare.
	(get_constraint_exp_from_ssa_var): Split into ...
	(get_constraint_exp_for_temp): ... this ...
	(get_constraint_for_ssa_var): ... and that.
	Return constraint expressions for all touched sub-fields
	if the results address is not taken.
	(process_constraint): Remove assertion that aggregate
	assignments do not happen at this place.
	(get_constraint_for_component_ref): Add address_p argument.
	Return constraint expressions for all touched sub-fields
	if the results address is not taken.
	(do_deref): Use get_constraint_exp_for_temp.
	(get_constraint_for_1): Rename from ...
	(get_constraint_for): ... this.  Add the old function as wrapper.
	(do_structure_copy): Use get_constraint_for_1.

2008-07-01  Martin Jambor  <mjambor@suse.cz>

	* Makefile.in (tree-switch-conversion.o): Add.
	(OBJS-common): Add tree-swtch-conversion.o.
	* passes.c (init_optimization_passes): Add pass_convert_switch.
	* tree-pass.h: (pass_convert_switch): Add.
	* tree-switch-conversion.c: New file.
	* gcc.dg/tree-ssa/cswtch.c: New testcase.
	* common.opt (ftree-cswtch): New option.
	* params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
	* params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
	* opts.c (decode_options): Set flag_tree_switch_conversion when
	optimization level is >= 2.
	* doc/invoke.texi (Optimize Options): Added description of
	-ftree-swtch-conversion and switch-conversion-max-branch-ratio.

2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* config/darwin-driver.c (darwin_default_min_version): Fix
	-Wc++-compat warnings.

2008-06-30  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
	of operand 0.

2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>

	* ifcvt.c (cond_move_process_if_block): Free vectors on false return.
	
2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>

	PR rtl-optimization/34744
	* df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
	(df_scan_free_internal): Free data structures not
	allocated in storage pools.
	(df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
	(df_refs_add_to_chains): Use df_scan_free_ref_vec and
	df_scan_free_mws_vec.
	* dse.c (dse_step6): Free offset_map_p and offset_map_n
	unconditionally.

2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (contains_aligned_value_p): Return true
	for __float128.
	(ix86_function_arg_boundary): Return its natural boundary
	for __float128.
	(return_in_memory_32): Don't check TDmode.
	(ix86_split_to_parts): Support splitting into 4 parts and
	support TFmode for 32bit target.
	(ix86_split_long_move): Support splitting into 4 parts.
	(bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
	for SSE2.
	(ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
	(ix86_init_builtins): Here.
	(ix86_scalar_mode_supported_p): Always return true for TFmode.
	(ix86_c_mode_for_suffix): Always return TFmode and XFmode for
	'q' and 'w', respectively. 

	* config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
	TARGET_64BIT.
	(movtf_internal): Likewise.
	(<code>tf2): Likewise.
	(*absnegtf2_sse): Likewise.
	(copysign<mode>3): Likewise.
	(copysign<mode>3_const): Likewise.
	(copysign<mode>3_var): Likewise.
	(define_split UNSPEC_COPYSIGN): Likewise.
	* config/i386/sse.md (*nandtf3): Likewise.
	(<code>tf3): Likewise.
	(*<code>tf3): Likewise.

2008-06-30  Joey Ye  <joey.ye@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	* global.c (compute_regsets): Set frame_pointer_needed here.
	* reload1.c (init_elim_table): Don't set frame_pointer_needed here.

2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>

	* doc/install.texi (specific): Expand Windows build notes.

2008-06-30  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/36648
	* tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
	number of prolog iterations by step. Fix the comment.

2008-06-30  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36671
	* tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
	handle calls from ECF_MALLOC functions.
	(handle_pure_call): ECF_MALLOC functions do not return
	call-used memory.
	(find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.

2008-06-29  Andreas Schwab  <schwab@suse.de>

	* config/m68k/m68k.c (print_operand): Always print a float
	constant in hex.
	* config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
	(ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
	Remove macros.

	* config/rs6000/x-linux64: Remove never used file.

2008-06-29  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.h (compute_points_to_sets): Adjust
	prototype.
	(struct alias_info): Move ...
	* tree-ssa-alias.c: ... here.
	(update_alias_info): Declare.
	(compute_may_aliases): Call it.
	(update_alias_info): New function.
	* tree-ssa-structalias.c (update_alias_info): Move ...
	* tree-ssa-alias.c (update_alias_info_1): ... here.
	* tree-ssa-structalias.c (process_constraint_1): Remove
	unused from_call argument.  Rename to ...
	(process_constraint): ... this.  Delete old wrapper.
	(make_constraint_to): Adjust callers.
	(handle_const_call): Likewise.
	(handle_pure_call): Likewise.
	(init_base_vars): Likewise.
	(handle_lhs_call): Likewise.  Remove unnecessary constraint.
	(find_func_aliases): We don't need structure copies for
	complex types.
	(make_constraint_from_anything): Remove.
	(create_variable_info_for): For globals make constraints
	from escaped, not from anything.
	(compute_points_to_sets): Do not call update_alias_info.
	(ipa_pta_execute): Use make_constraint_from.

2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
	(bitmap.o-warn, dominance.o-warn): New.
	* configure.ac (cxx_compat_warn): Delete.
	(loose_warn): Add -Wcast-qual and -Wc++-compat.
	* system.h: Remove #pragma diagnostic for -Wcast-qual and
	-Wc++-compat.
	* configure: Regenerate.

	* optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
	warnings.

2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
	* df-scan.c (df_notes_rescan): Likewise.
	* ggc-page.c (set_page_table_entry): Likewise.
	* intl.c (gcc_gettext_width): Likewise.
	* varasm.c (get_unnamed_section, get_noswitch_section,
	get_section): Likewise.

2008-06-28  Andrew Jenner  <andrew@codesourcery.com>

	* regrename.c (build_def_use): Don't copy RTX.

2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
	(Type Attributes): Fix nesting of @table and @subsection.  Adjust
	punctuation.  Use @ref instead of @xref.
	(Function Names): Remove stray @display/@end display.
	(C++ Attributes): Use @ref instead of @xref.
	(Deprecated Features): Fix punctuation around @xref.
	(Backwards Compatibility): Likewise.
	* doc/rtl.texi (Incdec): Remove stray @table/@end table.

2008-06-28  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
	constants for E500 double.

2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* doc/rtl.texi (const_vector): Document const_fixed as legitimate
	element type of const_vector.

2008-06-28  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
	Remove FLAGS_REG clobber from expander pattern.
	(subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
	(anddi3, andsi3, andhi3, andqi3): Ditto.
	(iordi3, iorsi3, iorhi3, iorqi3): Ditto.
	(xordi3, xorsi3, xorhi3, xorqi3): Ditto.
	(negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
	(ashlsi3, ashlhi3, ashlqi3): Ditto.
	(ashrsi3, ashrhi3, ashrqi3): Ditto.
	(lshrsi3, lshrhi3, lshrqi3): Ditto.
	(rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
	(rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.

2008-06-28  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (callused_id, var_callused,
	callused_tree): Add.
	(handle_pure_call): New function.
	(find_func_aliases): Call it.
	(find_what_p_points_to): Handle the call-used set.
	(clobber_what_escaped): Likewise.
	(compute_call_used_vars): New function.
	(init_base_vars): Init the call-used variable.
	(do_sd_constraint): Do not propagate the solution from CALLUSED
	but use CALLUSED as a placeholder.
	(solve_graph): Likewise.
	* tree-flow-inline.h (gimple_call_used_vars): New function.
	* tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
	(compute_call_used_vars): Declare.
	* tree-ssa-alias.c (set_initial_properties): Call
	compute_call_used_vars.
	(reset_alias_info): Clear call-used variables.
	(add_call_clobber_ops): Assert we are not called for const/pure
	functions.  Remove handling of them.
	(add_call_read_ops): Handle pure functions by adding the
	call-used set of variables as VUSEs.
	* tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
	(delete_tree_ssa): Free it.
	* tree-dfa.c (remove_referenced_var): Clear the var from the
	call-used bitmap.

2008-06-28  Kai Tietz  <kai.tietz@onevision.com>

	* tree.c (build_varargs_function_type_list): New.
	(build_function_type_list_1): New.
	(build_function_type_list): Use build_function_type_list_1.
	* tree.h (build_varargs_function_type_list): New.

2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	PR target/34856
	* config/spu/spu.c (spu_builtin_splats): Do not generate
	invalid CONST_VECTOR expressions.
	(spu_expand_vector_init): Likewise.

2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>

	* optabs.c (libfunc_decls): New variable.
	(libfunc_decl_hash, libfunc_decl_eq): New functions.
	(init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
	for the same function twice.

2008-06-27  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
	ix86_expand_binary_operator directly.
	(*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
	for operand 2.
	(*ashrti3_1): Ditto.
	(*lshrti3_1): Ditto.
	(*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
	(ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
	using only one splitter.  Conditionaly execute splitter before or
	after peephole2 pass.
	(ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
	(x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
	Use only one alternative in asm template.
	(x86_64_shld): Compress operand 2 constraints. Use only one alternative
	in asm template.
	(*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
	"J" operand constraint for operand 2.
	(*ashldi3_cconly_rex64): Ditto.
	(*ashrdi3_cmp_rex64): Ditto.
	(*ashrdi3_cconly_rex64): Ditto.
	(*lshrdi3_cmp_rex64): Ditto.
	(*lshrdi3_cconly_rex64): Ditto.
	* config/i386/predicates.md (const_1_to_63_operand): New predicate.
	* config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
	(split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
	gen_x86_shrd_1.

2008-06-27  Jakub Jelinek  <jakub@redhat.com>

	* gimplify.c (omp_is_private): Don't return true if decl is not
	already private on #pragma omp for or #pragma omp parallel for.

	PR debug/36617
	* tree-cfg.c (struct move_stmt_d): Replace block field with
	orig_block and new_block fields.
	(move_stmt_r): Only set TREE_BLOCK to p->new_block if
	if it used to be NULL, p->orig_block or if p->orig_block is NULL.
	(move_block_to_fn): Replace vars_map and new_label_map arguments
	with struct move_stmt_d pointer.
	(replace_block_vars_by_duplicates): New function.
	(move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
	move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
	all subblocks of ORIG_BLOCK to the new function.  Call
	replace_block_vars_by_duplicates.
	* tree-flow.h (move_sese_region_to_fn): Adjust prototype.
	* omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
	BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
	Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
	(expand_omp): Temporarily set input_location to the location of
	region's controlling stmt.
	(lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
	BIND_EXPR, push ctx->block_vars and gimplification vars into
	the BIND_EXPR and its block's BLOCK_VARS instead of directly
	into dest function.
	(lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
	there are any BLOCK_VARS.
	(lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
	OMP_PARALLEL or OMP_TASK stmt.
	(lower_omp): Save and restore input_location around the lower_omp_1
	call.

2008-06-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36400
	PR tree-optimization/36373
	PR tree-optimization/36344
	* tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
	var_nonlocal, nonlocal_tree, nonlocal_id): New globals
	(update_alias_info): Remove call clobbering code.
	(make_constraint_to): New helper function.
	(make_escape_constraint): Likewise.
	(handle_rhs_call): Use it on all pointer containing arguments.
	Also mark the static chain escaped.
	(handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
	instead of ANYTHING.
	(make_constraint_from): New helper split out from ...
	(make_constraint_from_anything): ... here.
	(find_func_aliases): Add constraints for escape sites.
	(intra_create_variable_infos): Make constraints from NONLOCAL
	for parameters.
	(find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
	as ANYTHING.
	(clobber_what_p_points_to): Remove.
	(clobber_what_escaped): New function.
	(init_base_vars): Init NONLOCAL and ESCAPED.
	(do_sd_constraint): Do not propagate the solution from ESCAPED
	but use ESCAPED as a placeholder.
	(solve_graph): Likewise.
	* tree-flow.h (clobber_what_p_points_to): Remove.
	(clobber_what_escaped): Declare.
	* tree-ssa-alias.c (set_initial_properties): Call it.
	Remove code clobbering escaped pointers.

2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>

	* function.c (allocate_struct_function): Only allocate a unique
	funcdef_no if the decl is nonzero.

2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips-protos.h (mips_split_const_insns): Declare.
	* config/mips/mips.c (mips_split_const_insns): New function.
	* config/mips/mips.md (move_type): New attribute.
	(mode): Move attribute definition earlier in file.  Add "TI" and "TF".
	(dword_mode): New attribute.
	(type): Avoid long line.  Map "move_type"s to "type"s,
	choosing "multi" for doubleword moves if appropriate.
	Swap MTC/MFC comments to match their declaration order.
	(extended_mips16): Default to "yes" if "move_type" is "sll0",
	"type" is "branch" or "jal" is "direct".
	(length): Handle "extended_mips16" first.  Make the default
	"0" for "ghost" instructions.  Set the length from "move_type".
	(truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
	of "type", with "sll0" for the register alternative.  Remove the
	"extended_mips16" attribute.
	(zero_extendsidi2, *clear_upper32): Use "move_type" instead
	of "type", with "shift_shift" for the register alternative.
	Remove the "length" attribute.
	(*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
	(*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
	of "type", with "andi" for the register alternative.
	(*zero_extendqihi2): Likewise.
	(*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
	of "andi" instead of a "type" of "arith".
	(*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
	instead of "type".
	(*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
	(mov_<store>r, *mov<mode>_ra): Likewise.
	(extendsidi2): Use "move_type" instead of "type", with "move"
	for the register alternative.
	(*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
	of "type", with "signext" for the register alternative.
	(*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
	(*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
	(fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
	(fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
	(floatdisf2, *branch_equality<mode>_mips16): Likewise.
	(unnamed branch insn): Likewise.
	(*movdi_gp32_fp64): Fold into...
	(*movdi_32bit): ...here.
	(*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
	(*movdf_hardfloat): ...this new pattern.
	(*movdf_softfloat): Remove redundant FPR alternatives.
	(*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
	(*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
	(*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
	the "move" attribute.
	(*movdi_32bit): Use "move_type" instead of "type" and remove the
	"length" attribute.  Use "fpload" and "fpstore" instead of "load"
	and "store" for COP loads and stores.
	(*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
	(*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
	(*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
	(*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
	(*movtf_mips16, *movv2sf): Likewise.
	(mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
	(load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
	(mfhc1<mode>): Use "move_type" instead of "move".
	(*low<mode>_mips16): Use "extended_mips16" instead of "length".
	(loadgp_blockage): Remove the "length" attribute.
	(blockage, set_got_version, update_got_version): Likewise.
	(call_internal): Remove the "extended_mips16" attribute.
	(call_value_internal, call_value_multiple_internal): Likewise.
	* config/mips/loongson.md (mov<mode>_internal): Use "move_type"
	instead of "move".
	* config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
	the "length" attribute.

2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
	-Wcast-qual warnings.
	* c-pragma.c (dpm_eq, handle_pragma_push_macro,
	handle_pragma_pop_macro): Likewise.
	* collect2.c (resolve_lib_name): Likewise.
	* config/arc/arc.c (arc_init): Likewise.
	* config/arm/arm.c (neon_builtin_compare,
	locate_neon_builtin_icode): Likewise.
	* config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
	* config/bfin/bfin.c (bfin_init_machine_status,
	bfin_optimize_loop): Likewise.
	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
	* config/cris/cris.c (cris_init_expanders): Likewise.
	* config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
	* config/darwin.c (machopic_indirection_eq,
	machopic_indirection_name, machopic_output_indirection): Likewise.
	* config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
	frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
	frv_optimize_membar): Likewise.
	* config/i386/cygwin.h (mingw_scan,
	GCC_DRIVER_HOST_INITIALIZATION): Likewise.
	* config/i386/cygwin1.c (mingw_scan): Likewise.
	* config/i386/i386.c (machopic_output_stub): Likewise.
	* config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
	i386_pe_unique_section): Likewise.
	* config/ia64/ia64.c (ia64_init_machine_status,
	ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
	Likewise.
	* config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
	* config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
	* config/m68k/m68k.c (m68k_handle_option,
	m68k_sched_md_init_global): Likewise.
	* config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
	mcore_unique_section): Likewise.
	* config/mips/mips.c (mips_block_move_straight,
	mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
	Likewise.
	* config/mmix/mmix.c (mmix_init_machine_status,
	mmix_encode_section_info): Likewise.
	* config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
	* config/rs6000/rs6000.c (rs6000_init_machine_status,
	print_operand_address, output_toc, redefine_groups,
	rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
	* config/s390/s390.c (s390_init_machine_status): Likewise.
	* config/score/score.c (score_block_move_straight,
	score_block_move_loop_body): Likewise.
	* config/sparc/sparc.c (sparc_init_machine_status): Likewise.
	* config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
	* emit-rtl.c (find_auto_inc): Likewise.
	* gcc.c (translate_options, process_command): Likewise.
	* reorg.c (dbr_schedule): Likewise.
	* sdbout.c (sdbout_start_source_file, sdbout_init): Likewise.
	* xcoffout.c (xcoffout_declare_function): Likewise.

2008-06-27  Daniel Berlin  <dberlin@dberlin.org>

	* tree-ssa-structalias.c (find_func_aliases): Trivial fix to get
	ipa-pta working again.

2008-06-27  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/t-aix52: Append large data option to LDFLAGS for
	genautomata.

2008-06-27  Edmar Wienskoski  <edmar@freescale.com>

	* config.gcc (powerpc*-*-*): Add new core e500mc.
	* config/rs6000/e500mc.md: New file.
	* config/rs6000/rs6000.c (processor_costs): Add new costs for
	e500mc.
	(rs6000_override_options): Add e500mc case to
	processor_target_table. Altivec and Spe options not allowed
	with e500mc. Add isel instruction to e500mc by
	default. Initialize rs6000_cost for e500mc.
	(rs6000_issue_rate): Set issue rate for e500mc.
	* config/rs6000/rs6000.h (processor_type): Add
	PROCESSOR_PPCE500MC.
	(ASM_CPU_SPEC): Add e500mc.
	Set TARGET_ISEL to rs6000_isel.
	* config/rs6000/e500.h: Remove redefinition of TARGET_ISEL.
	(CHECK_E500_OPTIONS): Remove TARGET_ISEL.
	* config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc.
	Include e500mc.md.
	* doc/invoke.texi: Add e500mc to list of cpus.

2008-06-27  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

	PR c/34867
	* c-lex.c (lex_charconst): Initialize unsignedp.

2008-06-27  Olivier Hainque  <hainque@adacore.com>

	* gimplify.c (gimplify_modify_expr_to_memset): Assert our
	documented assumptions.

2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>

	* dwarf2out.c: Remove trailing white spaces.  Break long line
	in comments.

2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>

	* libfuncs.h (LTI_synchronize): New libfunc_index.
	(synchronize_libfunc): Declare.
	* builtins.c (expand_builtin_synchronize): Consider using
	synchronize_libfunc before falling back on an asm blockage.
	* config/mips/mips.c: Include libfuncs.h
	(mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.

2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
	parameter.  Copy stack_reg to r11 where appropriate.
	(no_global_regs_above): Add gpr parameter.
	(rs6000_stack_info): Only add padding for SPE save area if we
	are saving SPE GPRs and CR.
	(saveres_routine_syms): New variable.
	(FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
	Define.
	(rs6000_savres_routine_sym): New function.
	(rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
	split out of...
	(rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
	rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
	Tweak FPR out-of-line saving.
	(rs6000_make_savres_rtx): New function.
	(rs6000_use_multiple_p): New function.
	(rs6000_savres_strategy): New function.
	(rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
	out-of-line if appropriate.
	* config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
	if we are optimizing for size.
	(GP_SAVE_INLINE): Define.
	(SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
	* config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
	* config/rs6000/aix.h (GP_SAVE_INLINE): Define.
	* config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
	(*save_fpregs_<mode>): Add use of r11.
	(*restore_gpregs_<mode>): New insn.
	(*return_and_restore_gpregs_<mode>): New insn.
	(*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
	use r11.
	* config/rs6000/spe.md (*save_gpregs_spe): New insn.
	(*restore_gpregs_spe): New insn.
	(*return_and_restore_gpregs_spe): New insn.
	* config/rs6000/predicates.md (save_world_operation): Fix check.

2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>

	* tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
	this point, so assert that.

2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>

	* cfganal.c: Include vec.h and vecprim.h.
	(compute_idf): Import from...
	* tree-into-ssa (compute_idf): ...here.
	* basic-block.h (compute_idf): Export.

2008-06-26  Joseph Myers  <joseph@codesourcery.com>

	* c-decl.c (merge_decls): Use !current_function_decl to check for
	extern declaration of C99 inline function being at file scope.

2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>

	* config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.

2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* alias.c (record_alias_subset, init_alias_analysis): Fix
	-Wc++-compat and/or -Wcast-qual warnings.
	* attribs.c (lookup_attribute_spec): Likewise.
	* bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
	copy_bb, connect_traces,
	find_rarely_executed_basic_blocks_and_cr): Likewise.
	* bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
	note_btr_set, migrate_btr_defs): Likewise.
	* builtins.c (result_vector, expand_builtin_memcpy,
	expand_builtin_mempcpy_args, expand_builtin_strncpy,
	builtin_memset_read_str, expand_builtin_printf,
	fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
	Likewise.
	* caller-save.c (mark_set_regs): Likewise.
	* calls.c (expand_call, emit_library_call_value_1): Likewise.
	* cgraph.c (cgraph_edge): Likewise.
	* combine.c (likely_spilled_retval_1): Likewise.
	* coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
	htab_counts_entry_del, get_coverage_counts): Likewise.
	* cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
	new_cselib_val): Likewise.
	* dbgcnt.c (dbg_cnt_process_opt): Likewise.
	* dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
	Likewise.
	* df-core.c (df_compact_blocks): Likewise.
	* df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
	* df-scan.c (df_grow_reg_info, df_ref_create,
	df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
	df_ref_compare, df_ref_create_structure, df_bb_refs_record,
	df_record_entry_block_defs, df_record_exit_block_uses,
	df_bb_verify): Likewise.
	* df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
	DF_REF_EXTRACT_MODE_CONST): New.
	* dominance.c (get_immediate_dominator, get_dominated_by,
	nearest_common_dominator, root_of_dom_tree,
	iterate_fix_dominators, first_dom_son, next_dom_son): Fix
	-Wc++-compat and/or -Wcast-qual warnings.
	* dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
	record_store, replace_read, check_mem_read_rtx, scan_insn,
	dse_step1, dse_record_singleton_alias_set): Likewise.
	* dwarf2asm.c (dw2_force_const_mem): Likewise.

2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
	dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
	lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
	assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
	build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
	add_ranges_num, add_ranges_by_labels, file_info_cmp,
	file_name_acquire, output_file_names, add_const_value_attribute,
	premark_used_types_helper, file_table_eq, file_table_hash,
	lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
	dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
	-Wcast-qual warnings.
	* ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
	ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
	* emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
	gen_reg_rtx, start_sequence, init_emit): Likewise.
	* et-forest.c (et_new_occ, et_new_tree): Likewise.
	* except.c (init_eh_for_function, gen_eh_region,
	remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
	arh_to_landing_pad, arh_to_label, add_action_record,
	add_call_site, switch_to_exception_section): Likewise.
	* expmed.c (synth_mult): Likewise.
	* expr.c (gen_group_rtx, emit_group_load, emit_group_store,
	store_expr): Likewise.
	* final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
	Likewise.
	* function.c (assign_stack_temp_for_type,
	allocate_struct_function, match_asm_constraints_1): Likewise.
	* gcov-io.c (gcov_allocate): Likewise.
	* gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
	GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
	(gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
	record_one_set, insert_expr_in_table, insert_set_in_table,
	dump_hash_table, compute_hash_table_work, alloc_hash_table,
	pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
	reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
	-Wcast-qual warnings.

2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
	-Wcast-qual warnings.
	* gcc.c (process_command): Likewise.
	* genattrtab.c (oballoc): Use XOBNEW.
	(oballocvec): Define.
	(attr_hash_add_rtx, attr_hash_add_string, attr_string,
	get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
	gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
	-Wc++-compat and/or -Wcast-qual warnings.
	* genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
	XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
	(gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
	gen_presence_absence_set, gen_automaton, gen_regexp_el,
	gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
	gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
	add_excls, process_presence_absence_names,
	process_presence_absence_patterns, add_presence_absence,
	process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
	get_free_state, add_arc, get_free_automata_list_el,
	form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
	transform_3, cache_presence, create_ainsns, create_automata,
	create_state_ainsn_table, dfa_insn_code_enlarge,
	output_trans_func, output_min_issue_delay_func,
	output_dead_lock_func, output_reset_func,
	output_get_cpu_unit_code_func, output_dfa_start_func,
	expand_automata): Likewise.
	* genextract.c (gen_insn): Likewise.
	* gengtype-lex.l: Likewise.
	* gengtype.c (read_input_list, adjust_field_type,
	process_gc_options): Likewise.
	* genoutput.c (note_constraint): Likewise.
	* genpreds.c (mangle, add_constraint): Likewise.
	* genrecog.c (process_define_predicate, new_decision,
	add_to_sequence): Likewise.
	* gensupport.c (record_insn_name): Likewise.

2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* config/i386/driver-i386.c (detect_caches_amd,
	detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
	and/or -Wcast-qual warnings.
	*ggc-common.c (ggc_mark_roots, gt_pch_note_object,
	gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
	gt_pch_save): Likewise.
	* ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
	gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
	* global.c (compute_regsets): Likewise.
	* graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
	finish_graph_dump_file): Likewise.
	* haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
	unlink_bb_notes): Likewise.
	* integrate.c (get_hard_reg_initial_val): Likewise.
	* ipa-prop.c (ipa_push_func_to_list): Likewise.
	* ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
	* local-alloc.c (update_equiv_regs): Likewise.
	* loop-invariant.c (check_invariant_table_size,
	hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
	Likewise.
	* loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
	altered_reg_used, mark_altered): Likewise.
	* loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
	insert_var_expansion_initialization,
	combine_var_copies_in_loop_exit, apply_opt_in_copies,
	release_var_copies): Likewise.
	* matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
	analyze_matrix_decl, add_allocation_site, analyze_transpose,
	analyze_accesses_for_phi_node, check_var_notmodified_p,
	check_allocation_function, find_sites_in_func,
	record_all_accesses_in_func, transform_access_sites,
	transform_allocation_sites): Likewise.
	* omp-low.c (new_omp_region, create_omp_child_function_name,
	check_omp_nesting_restrictions, check_combined_parallel,
	lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
	* optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
	gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
	gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
	Likewise.
	* opts-common.c (prune_options): Likewise.
	* opts.c (add_input_filename, print_filtered_help,
	get_option_state): Likewise.
	* params.c (add_params): Likewise.
	* passes.c (set_pass_for_id, next_pass_1,
	do_per_function_toporder, pass_fini_dump_file): Likewise.
	* postreload.c (reload_cse_simplify_operands): Likewise.
	* predict.c (tree_predicted_by_p, tree_predict_edge,
	clear_bb_predictions, combine_predictions_for_bb): Likewise.

2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
	warnings.
	* recog.c (check_asm_operands, validate_change_1): Likewise.
	* reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
	subst_asm_stack_regs): Likewise.
	* regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
	cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
	* regmove.c (reg_is_remote_constant_p): Likewise.
	* regrename.c (regrename_optimize, scan_rtx_reg,
	kill_clobbered_value, kill_set_value, kill_autoinc_value):
	Likewise.
	* regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
	regstat_compute_calls_crossed): Likewise.
	* reload1.c (init_reload, new_insn_chain,
	has_nonexceptional_receiver, reload, copy_reloads,
	calculate_needs_all_insns, init_elim_table): Likewise.
	* rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
	* rtl.c (shallow_copy_rtx_stat): Likewise.
	* rtlanal.c (parms_set): Likewise.
	* sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
	sbitmap_resize, sbitmap_vector_alloc): Likewise.
	* sched-ebb.c (earliest_block_with_similiar_load,
	add_deps_for_risky_insns): Likewise.
	* sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
	schedule_region): Likewise.
	* see.c (eq_descriptor_pre_extension,
	hash_descriptor_pre_extension, hash_del_pre_extension,
	eq_descriptor_properties, hash_descriptor_properties,
	hash_del_properties, see_seek_pre_extension_expr,
	see_initialize_data_structures, see_print_register_properties,
	see_print_pre_extension_expr, see_delete_merged_def_extension,
	see_delete_unmerged_def_extension, see_emit_use_extension,
	see_pre_delete_extension, see_map_extension, see_commit_changes,
	see_analyze_merged_def_local_prop,
	see_analyze_merged_def_local_prop,
	see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
	see_set_prop_merged_def, see_set_prop_unmerged_def,
	see_set_prop_unmerged_use, see_print_one_extension,
	see_merge_one_use_extension, see_merge_one_def_extension,
	see_store_reference_and_extension, see_update_uses_relevancy,
	see_update_defs_relevancy): Likewise.
	* statistics.c (hash_statistics_hash, hash_statistics_eq,
	hash_statistics_free, curr_statistics_hash): Likewise.
	* stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
	expand_asm_operands, expand_return, case_bit_test_cmp,
	expand_case): Likewise.
	* stor-layout.c (start_record_layout): Likewise.
	* stringpool.c (ggc_alloc_string, gt_pch_n_S,
	gt_pch_save_stringpool): Likewise.
	* tree-data-ref.c (hash_stmt_vertex_info,
	have_similar_memory_accesses_1, ref_base_address_1): Likewise.
	* tree-ssa-phiopt.c (name_to_bb_hash): Likewise.

2008-06-25  Uros Bizjak  <ubizjak@gmail.com>

	PR target/36627
	* config/i386/i386.md : Change constraints of HImode and QImode
	immediate operands from "i" to "n".  Change SImode "ni" constraint to
	"i" and SImode "rmi" constraint to "g".  Remove all constraints
	from const0_operand and const1_operand predicated operands.
	(i): Change QImode and HImode attribute from "i" to "n".
	(*subqi_2): Change HImode operands to QImode.
	(*subqi_3): Ditto.

2008-06-25  Olivier Hainque  <hainque@adacore.com>

	* Makefile.in (GTFILES_H): Use | instead of ; as separator in
	sed substitutions.

2008-06-25  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (fieldoff_compare): Make sure to
	not overflow the result type.

2008-06-25  Richard Guenther  <rguenther@suse.de>

	* tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
	(vn_lookup): Likewise.

2008-06-25  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35518
	* fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
	* tree-sra.c (instantiate_element): Use fold_build3 to build
	BIT_FIELD_REFs.
	(try_instantiate_multiple_fields): Likewise.

2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	* config/rs6000/rs6000.md: Change all string instruction's clobber to
	be early clobbers.

2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	* config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
	use_backchain_to_restore_sp to true
	if the offset of the link register save area would go over the 32k - 1
	offset limit of the load
	instructions.

2008-06-25  Hans-Peter Nilsson  <hp@axis.com>

	* doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
	anchor for the type-punning blurb.  Cross-reference "Structures
	unions enumerations and bit-fields implementation".  Provide a
	cast-through-pointer example.  Make final sentence self-contained.
	* doc/implement-c.texi (Structures unions enumerations and
	bit-fields implementation): Cross-reference the type-punning blurb
	in the -fstrict-aliasing documentation.

2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR middle-end/36594
	* builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
	the memory instead of the memory itself for the save area.

2008-06-24  Olivier Hainque  <hainque@adacore.com>
	    Nicolas Roche  <roche@adacore.com>

	* gengtype.c (srcdir_len): size_t instead of int.
	(get_file_realbasename): New function.  For F a filename, the real
	basename of F, with all the path components stripped.
	(get_file_srcdir_relative_path): New function.  For F a filename, the
	relative path to F from $(srcdir).
	(get_file_basename): Rewrite using get_file_srcdir_relative_path and
	get_file_realbasename.  Adjust the head comment.
	(get_prefix_langdir_index): New function. For F a filename, return the
	lang_dir_names[] relative index of the language directory that is
	a prefix in F.
	(get_file_langdir): For F a filename, return the name of the language
	directory where F is located.
	(get_file_gtfilename): New function. The gt- output file name for an
	input filename F.
	(get_output_file_with_visibility): Replace in-line computations with
	uses of get_file_gtfilename and get_prefix_langdir_index.
	* Makefile.in (GTFILES_H): Adjust to match what gengtype generates.

2008-06-24  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/36504
	* tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
	references without base address.

2008-06-23  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/36584
	* calls.c (expand_call): Increase alignment for recursive functions.

2008-06-23  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
	(TARGET_FUNCTION_VALUE): New define.
	* config/avr/avr-protos.h (avr_function_value): Remove declaration.
	* config/avr/avr.h (FUNCTION_VALUE): Remove.

2008-06-23  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (fmodxf3): Change sequence of move instructions.
	(fmod<mode>3): Ditto.
	(remainderxf3): Ditto.
	(remainder<mode>3): Ditto.

2008-06-23  Jakub Jelinek  <jakub@redhat.com>

	PR target/36533
	* emit-rtl.c (set_reg_attrs_from_value): Do nothing if
	REG is a hard register.

	PR tree-optimization/36508
	* tree-ssa-pre.c (compute_antic): Allow num_iterations up to
	499, don't check it at all in release compilers.

2008-06-23  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
	together with SSE_TARGET_MATH to disable insn pattern.
	(*fop_<MODEF:mode>_2_i387): Ditto.
	(*fop_<MODEF:mode>_3_i387): Ditto.

2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>

	* config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
	
2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

	PR middle-end/34906
	* gimplify.c (gimplify_asm_expr): Check the return code of
	parse_output_constraint call, set function return and is_inout
	value if it failed.

2008-06-22  Ian Lance Taylor  <iant@google.com>

	* c-lex.c (narrowest_unsigned_type): Change itk to int.
	(narrowest_signed_type): Likewise.
	* c-typeck.c (c_common_type): Change local variable mclass to enum
	mode_class, twice.
	(parser_build_binary_op): Compare the TREE_CODE_CLASS with
	tcc_comparison, not the tree code itself.
	* c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
	(c_expand_expr): Cast modifier to enum expand_modifier.
	* c-common.h (C_RID_CODE): Add casts.
	(C_SET_RID_CODE): Define.
	* c-parser.c (c_parse_init): Use C_SET_RID_CODE.
	(c_lex_one_token): Add cast to avoid warning.
	(c_parser_objc_type_name): Rename local typename to type_name.
	(check_no_duplicate_clause): Change code parameter to enum
	omp_clause_code.
	(c_parser_omp_var_list_parens): Change kind parameter to enum
	omp_clause_code.
	(c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
	c_parser_omp_list_var_parens.
	(c_parser_omp_threadprivate): Likewise.
	* cp/lex.c (init_reswords): Use C_SET_RID_CODE.
	* cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
	* c-format.c (NO_FMT): Define.
	(printf_length_specs): Use NO_FMT.
	(asm_fprintf_length_specs): Likewise.
	(gcc_diag_length_specs): Likewise.
	(scanf_length_specs): Likewise.
	(strfmon_length_specs): Likewise.
	(gcc_gfc_length_specs): Likewise.
	(printf_flag_specs): Change 0 to STD_C89.
	(asm_fprintf_flag_specs): Likewise.
	(gcc_diag_flag_specs): Likewise.
	(gcc_cxxdiag_flag_specs): Likewise.
	(scanf_flag_specs): Likewise.
	(strftime_flag_specs): Likewise.
	(strfmon_flag_specs): Likewise.
	(print_char_table): Likewise.
	(asm_fprintf_char_table): Likewise.
	(gcc_diag_char_table): Likewise.
	(gcc_tdiag_char_table): Likewise.
	(gcc_cdiag_char_table): Likewise.
	(gcc_cxxdiag_char_table): Likewise.
	(gcc_gfc_char_table): Likewise.
	(scan_char_table): Likewise.
	(time_char_table): Likewis.
	(monetary_char_table): Likewise.
	* c-format.h (BADLEN): Likewise.

2008-06-21  Ian Lance Taylor  <iant@google.com>

	* tree.h (enum tree_code): Include all-tree.def, not tree.def.
	Define END_OF_BASE_TREE_CODES around inclusion.
	* tree.c (tree_code_type): New global array.
	(tree_code_length, tree_code_name): Likewise.
	* Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
	$(lang_tree_files).
	(all-tree.def, s-alltree): New targets.
	(gencheck.h, s-gencheck): Remove.
	(tree.o): Depend upon all-tree.def.
	(build/gencheck.o): Remove gencheck.h dependency.
	(mostlyclean): Don't remove gencheck.h.
	* c-common.h (enum c_tree_code): Remove.
	* c-lang.c (tree_code_type): Remove.
	(tree_code_length, tree_code_name): Remove.
	* gencheck.c (tree_codes): Include all-tree.def, rather than
	tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
	after it is used.
	* tree-browser.c (tb_tree_codes): Include all-tree.def, rather
	than tree.def.
	* cp/cp-tree.h (enum cplus_tree_code): Remove.
	(operator_name_info): Size to MAX_TREE_CODES.
	(assignment_operator_name_info): Likewise.
	* cp/cp-lang.c (tree_code_type): Remove.
	(tree_code_length, tree_code_name): Remove.
	* cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
	(assignment_operator_name_info): Likewise.
	* cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
	MAX_TREE_CODES.
	* cp/mangle.c (write_expression): Likewise.
	* cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
	* fortran/f95-lang.c (tree_code_type): Remove.
	(tree_code_length, tree_code_name): Remove.
	* java/java-tree.h (enum java_tree_code): Remove.
	* java/lang.c (tree_code_type): Remove.
	(tree_code_length, tree_code_name): Remove.
	* java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
	* objc/objc-act.h (enum objc_tree_code): Remove.
	* objc/objc-lang.c (tree_code_type): Remove.
	(tree_code_length, tree_code_name): Remove.
	* objcp/objcp-lang.c (tree_code_type): Remove.
	(tree_code_length, tree_code_name): Remove.
	* ada/ada-tree.h (enum gnat_tree_code): Remove.
	* ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
	* ada/misc.c (tree_code_type): Remove.
	(tree_code_length, tree_code_name): Remove.

2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>

	* tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
	the grand_bitmap_obstack.

2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* ggc.h (GGC_RESIZEVAR): New, reorder macros.
	* tracer.c (tail_duplicate): Fix for -Wc++-compat.
	* tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
	* tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
	move_stmt_r, new_label_mapper): Likewise.
	* tree-complex.c (cvc_lookup): Likewise.
	* tree-dfa.c (create_function_ann): Likewise.
	* tree-dump.c (dump_register): Likewise.
	* tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
	find_phi_replacement_condition): Likewise.
	* tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
	tree_function_versioning): Likewise.
	* tree-into-ssa.c (cmp_dfsnum): Likewise.
	* tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
	* tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
	get_nonlocal_debug_decl, convert_nonlocal_reference,
	convert_nonlocal_omp_clauses, get_local_debug_decl,
	convert_local_reference, convert_local_omp_clauses,
	convert_nl_goto_reference, convert_nl_goto_receiver,
	convert_tramp_reference, convert_call_expr): Likewise.
	* tree-outof-ssa.c (contains_tree_r): Likewise.
	* tree-parloops.c (reduction_phi, initialize_reductions,
	eliminate_local_variables_1, add_field_for_reduction,
	add_field_for_name, create_phi_for_local_result,
	create_call_for_reduction_1, create_loads_for_reductions,
	create_stores_for_reduction, create_loads_and_stores_for_name):
	Likewise.
	* tree-phinodes.c (allocate_phi_node): Likewise.
	* tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
	* tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
	* tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
	* tree-ssa-coalesce.c (compare_pairs): Likewise.
	* tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
	memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
	record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
	* tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise. 
	* tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
	vn_nary_op_insert): Likewise.
	* tree-ssa.c (redirect_edge_var_map_add,
	redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
	* tree-vectorizer.c (vectorize_loops): Likewise.
	* tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
	build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
	tree_cons_stat, build1_stat, build_variant_type_copy,
	decl_init_priority_lookup, decl_fini_priority_lookup,
	decl_priority_info, decl_restrict_base_lookup,
	decl_restrict_base_insert, decl_debug_expr_lookup,
	decl_debug_expr_insert, decl_value_expr_lookup,
	decl_value_expr_insert, type_hash_eq, type_hash_lookup,
	type_hash_add, get_file_function_name, tree_check_failed,
	tree_not_check_failed, tree_range_check_failed,
	omp_clause_range_check_failed, build_omp_clause,
	build_vl_exp_stat): Likewise.
	* value-prof.c (gimple_histogram_value,
	gimple_duplicate_stmt_histograms): Likewise.
	* var-tracking.c (attrs_list_insert, attrs_list_copy,
	unshare_variable, variable_union_info_cmp_pos, variable_union,
	dataflow_set_different_1, dataflow_set_different_2,
	vt_find_locations, variable_was_changed, set_variable_part,
	emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
	* varasm.c (prefix_name, emutls_decl, section_entry_eq,
	section_entry_hash, object_block_entry_eq,
	object_block_entry_hash, create_block_symbol,
	initialize_cold_section_name, default_function_rodata_section,
	strip_reg_name, set_user_assembler_name, const_desc_eq,
	build_constant_desc, output_constant_def, lookup_constant_def,
	const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
	create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
	default_internal_label): Likewise.
	* varray.c (varray_init, varray_grow): Likewise.
	* vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.

2008-06-20  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*jcc_fused_1): Handle all valid compare
	operators for "test" insn.  Macroize insn using SWI mode macro.
	(*jcc_fused_2): Ditto.
	(*jcc_fused_3): Macroize insn using SWI mode macro.
	(*jcc_fused_4): Ditto.

2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>

	* tree-ssa-pre.c: Fix typo in comment.
	(init_antic, fini_antic): Add explicit funtions for
	initializing and deinitializing ANTIC and AVAIL sets.
	(create_expression_by_pieces): Fix typo in comment.
	Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
	(execute_pre): Eventually dump details about ANTIC_IN.

2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* collect2.c (main, add_to_list): Fix for -Wc++-compat.
	* gcc.c (translate_options, init_spec, store_arg, read_specs,
	add_to_obstack, file_at_path, find_a_file, execute,
	add_preprocessor_option, add_assembler_option, add_linker_option,
	process_command, insert_wrapper, do_option_spec, do_self_spec,
	spec_path, do_spec_1, is_directory, main, used_arg,
	getenv_spec_function): Likewise.
	* tlink.c (symbol_hash_lookup, file_hash_lookup,
	demangled_hash_lookup, symbol_push, file_push, frob_extension):
	Likewise.

2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>

	* doc/rtl.texi: Updated subreg section.

2008-06-19  Jakub Jelinek  <jakub@redhat.com>

	PR c++/36523
	* cgraphunit.c (cgraph_process_new_functions): Don't clear
	node->needed and node->reachable.
	* cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
	* omp-low.c (delete_omp_context): Call finalize_task_copyfn.
	(expand_task_call): Don't call expand_task_copyfn.
	(expand_task_copyfn): Renamed to...
	(finalize_task_copyfn): ... this.

2008-06-19  Jan Hubicka  <jh@suse.cz>

	* builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
	clobbering framepointer.

2008-06-19  Jan Hubicka  <jh@suse.cz>

	* tree-optimize.c (execute_early_local_optimizations): Set
	cgraph_state only at first invocation.

2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* system.h (-Wc++-compat): Activate as a warning, no an error.

2008-06-19  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
	instead of "#" in insn asm template.
	(*jcc_fused_2): Ditto.

2008-06-19  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (ix86_tune_indices)
	[X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
	(TARGET_FUSE_CMP_AND_BRANCH): New define.
	* config/i386/i386.md (*jcc_fused_1): New insn pattern
	(*jcc_fused_2): Ditto.
	* config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
	X86_TUNE_FUSE_CMP_AND_BRANCH targets.
	(print operand): Handle 'E' and 'e' code.

2008-06-19  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.c (avr_mcu_t): Add attiny13a.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>

	* cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
	node->decl.
	(cgraph_expand_function): Use local copy of decl.
	(cgraph_expand_all_functions): Remove redundant initialization of
	order_pos.
	(cgraph_optimize): Reword internal_error message.

2008-06-19  Chung-Lin Tang  <ctang@marvell.com>

	* arm-protos.h (arm_return_in_memory): Remove public
	arm_return_in_memory() prototype.
	* arm.c (arm_return_in_memory): Add static prototype, add target
	hook macro, change definition and comments.
	* arm.h (TARGET_RETURN_IN_MEMORY): Remove.

2008-06-19  Ben Elliston  <bje@au.ibm.com>

	* dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
	real.c: Remove references to IEEE 754R.
	* doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
	* doc/libgcc.texi (Decimal float library routines): Likewise.

2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* targhooks.h (struct gcc_target): New member unwind_word_mode.
	(default_unwind_word_mode): Add prototype.
	* targhooks.c (default_unwind_word_mode): New function.
	(default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
	instead of word_mode.
	* target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
	(TARGET_INITIALIZER): Use it.

	* c-common.c (handle_mode_attribute): Support "unwind_word"
	mode attribute.
	* unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.

	* except.c (init_eh): Use targetm.unwind_word_mode () instead of
	word_mode to access SjLj_Function_Context member "data".
	(sjlj_emit_dispatch_table): Likewise.  Also, perform type
	conversion from targetm.eh_return_filter_mode () to
	targetm.unwind_word_mode () if they differ.

	* builtin-types.def (BT_UNWINDWORD): New primitive type.
	(BT_FN_UNWINDWORD_PTR): New function type.
	(BT_FN_WORD_PTR): Remove.
	* builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
	* except.c (expand_builtin_extend_pointer): Convert pointer to
	targetm.unwind_word_mode () instead of word_mode.

	* config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
	* config/spu/spu.c (spu_eh_return_filter_mode): Remove.
	(spu_unwind_word_mode): New function.
	(TARGET_EH_RETURN_FILTER_MODE): Do not define.
	(TARGET_UNWIND_WORD_MODE): Define.
	* config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.

2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (reg_align): Remove.
	(regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
	(spu_split_load): Use regno_aligned_for_load instead of reg_align.
	(spu_split_store): Likewise.

2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>

	* gcc/tree-vn.c: Fix typo in comment.

2008-06-18  Jan Hubicka  <jh@suse.cz>

	* cgraphunit.c (cgraph_optimize): Output debug info when doing
	toplevel reorder too.

2008-06-18  Jan Hubicka  <jh@suse.cz>

	* c-opts.c (c_common_post_options): PCH is not compatible with
	no-unit-at-a-time.
	* opts.c (handle_options): Enable unit-at-a-time at O0 along with
	-fno-toplevel-reorder by default now.

2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR documentation/30739
	* doc/install.texi (Prerequisites): Document dependency on awk.

2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
	    Ian Lance Taylor  <iant@google.com>

	PR rtl-optimization/35604
	* jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
	only want to change jump destinations, not eventual label comparisons.

2008-06-16  Jan Hubicka  <jh@suse.cz>

	* cgraphunit.c (cgraph_expand_pending_functions): Give up at
	syntax errors.
	(cgraph_analyze_function): Likewise.

2008-06-16  Jan Hubicka  <jh@suse.cz>

	* cgraph.h (cgraph_mark_if_needed): New function.
	* cgraphunit.c (cgraph_mark_if_needed): New function.
	* c-decl.c (duplicate_decl): Use it.

2008-06-16  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (cgraph_add_new_function): When in expansion state, do
	lowering.

2008-06-16  Jan Hubicka  <jh@suse.cz>

	* tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.

2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
	    Kazu Hirata  <kazu@codesourcery.com>
	    Maxim Kuvyrkov  <maxim@codesourcery.com

	* config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
	* config.host: Use driver-native.o and mips/x-native for mips*-linux*.
	* config/mips/linux.h (host_detect_local_cpu): Declare, add to
	EXTRA_SPEC_FUNCTIONS.
	(MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
	(DRIVER_SELF_SPECS): Adjust.
	* config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
	* config/mips/st.h, config/mips/t-st: New.
	* config/mips/driver-native.c, config/mips/x-native: New.
	* doc/invoke.texi (MIPS): Document 'native' value for -march and
	-mtune options.

2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
	from it.
	(ISA_HAS_FP_CONDMOVE): New macro.
	(ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
	(ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
	(ISA_HAS_NMADD3_NMSUB3): New macro.
	* config/mips/mips.c (mips_rtx_costs): Update.
	* config/mips/mips.md (MOVECC): Don't use FP conditional moves when
	compiling for ST Loongson 2E/2F.
	(madd<mode>): Rename to madd4<mode>.  Update.
	(madd3<mode>): New pattern.
	(msub<mode>): Rename to msub4<mode>.  Update.
	(msub3<mode>): New pattern.
	(nmadd<mode>): Rename to nmadd4<mode>.  Update.
	(nmadd3<mode>): New pattern.
	(nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
	(nmadd3<mode>_fastmath): New pattern.
	(nmsub<mode>): Rename to nmsub4<mode>.  Update.
	(nmsub3<mode>): New pattern.
	(nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
	(nmsub3<mode>_fastmath): New pattern.
	(mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.

2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>

	* df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
	(DF_REF_INSN_INFO): New.
	(DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
	(DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
	with a NULL DF_REF_INSN_INFO.
	(DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
	DF_INSN_SET.
	(DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
	DF_INSN_INFO_EQ_USES): New.
	(DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
	DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
	DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
	* df-core.c: Update comment for above changes.
	(df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
	DF_INSN_UID_* macros.
	(df_ref_debug): Check for NULL DF_REF_INSN_INFO.
	* df-scan.c (df_ref_record): Take a df_insn_info instead of an
	insn rtx.  Update all callers.
	(df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
	df_ref_create_structure, df_insn_refs_collect): Likewise.
	(df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
	* df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
	(df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
	macros to access the insn refs.
	(df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
	* fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
	(all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
	for accessing the refs.
	(try_fwprop_subst): Likewise.
	* ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
	* web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
	for accessing the refs.
	* loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
	(check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
	to look at the insn refs.
	(record_uses): Likewise.
	* dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
	function anymore.
	(mark_artificial_uses): Don't mark_insn for artificial refs.
	(mark_reg_rependencies): Likewise.

	* doc/rtl.texi: Remove documentation of ADDRESSOF.

2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure: Regenerate.

2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>

	* config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
	* config/avr/t-avr (MULTILIB_MATCHES): Likewise. 

2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>

	* config/avr/avr.c (avr_mcu_t): Add attiny167.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
	* gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise. 

2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>

	* config/avr/avr.c (avr_mcu_t): Add atmega32u4.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
	* config/avr/t-avr (MULTILIB_MATCHES): Likewise. 

2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>

	* tree-ssa-sccvn.c: Fix format of comments.

2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>

	* cgraph.c: Remove unneeded forward declarations of eq_node()
	and hash_node().

2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>

	* see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
	REG_RETVAL notes.
	(see_update_relevancy): Likewise.
	* fwprop.c (try_fwprop_subst): Likewise.
	* rtlanal.c (noop_move_p): Likewise.
	* builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
	notes to non-existing libcall blocks.
	* cse.c (cse_insn): Change prototype.  Don't update libcall notes.
	Remove orig_set.
	(cse_extended_basic_block): Don't track libcall and no-conflict notes.
	(dead_libcall_p): Remove.
	(delete_trivially_dead_insns): Don't use it.
	* web.c (union_defs): Remove comment about keeping nops.
	* gcse.c (hash_scan_insn): Don't take libcall pointers.
	(compute_hash_table_work): Don't track libcall notes.
	(do_local_cprop): Don't take libcall pointers.  Don't update
	libcall notes.
	(adjust_libcall_notes): Deleted.
	(local_cprop_pass): Remove stack for nested libcalls (which shouldn't
	ever have existed in the first place).
	(replace_store_insn): Don't try to remove libcall notes.
	* lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
	(resolve_reg_notes): Don't call them.
	(resolve_simple_move): Likewise.
	(decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
	Don't remove REG_RETVAL notes.
	* emit-rtl.c (try_split): Don't update libcall notes.
	(emit_copy_of_insn_after): Dito.
	* cselib.c (cselib_current_insn_in_libcall): Remove.
	(cselib_process_insn): Don't set/clear it.
	(new_elt_loc_list): Don't record it.
	(cselib_init): Don't initialize it.
	* cselib.c (struct elt_loc_list): Remove in_libcall field.
	* loop-invariant.c (find_invariant_insn): Don't look for libcall
	notes.
	* sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
	(sched_analyze): Don't set up deps->libcall_block_tail_insn.
	(init_deps): Don't initialize it.
	* sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
	* combine.c (delete_noop_moves): Don't update libcall notes.
	(can_combine_p): Remove now pointless #if 0 block.
	(try_combine): Remove another obsolete #if 0 block.
	(distribute_notes): Don't distribute libcall notes.
	* reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
	* dce.c (libcall_dead_p): Remove.
	(delete_unmarked_insns): Don't handle libcall blocks.
	(preserve_libcall_for_dce): Remove.
	(prescan_insns_for_dce): Don't special-case libcall block insns.
	* reload1 (reload): Don't handle libcall notes. 
	* doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
	documentation.

2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>

	* config/avr/avr.c (avr_mcu_t): Add atmega32c1.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
	* config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>

	* config/avr/avr.c (avr_mcu_t): Add atmega32m1.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
	* config/avr/t-avr (MULTILIB_MATCHES): Likewise. 

2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).

2008-06-16  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/36493
	* tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
	the arguments list. Use VECTYPE to create vector pointer.
	(vectorizable_store): Fail if accesses through a pointer to vectype
	do not alias the original memory reference operands.
	Call vect_create_data_ref_ptr without the removed argument.
	(vectorizable_load): Likewise.
	(vect_setup_realignment): Call vect_create_data_ref_ptr without the
	removed argument.

2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>

	PR target/36336
	* config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for 
	reg_equiv_constant.

2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* config/mips/loongson2ef.md: New file.
	* config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
	(UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
	(UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
	(UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
	(define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
	and loongson_2f.
	(loongson2ef.md): New include.
	* config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
	(add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
	(loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
	(loongson_gt_<mode>, loongson_extract_halfword)
	(loongson_insert_halfword_0, loongson_insert_halfword_2)
	(loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
	(umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
	(umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
	(loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
	(loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
	(loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
	(sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
	(vec_interleave_low<mode>): Define type attribute.
	* config/mips/mips.c (mips_ls2): New static variable.
	(mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
	(mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
	(sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
	Implement target scheduling hooks.
	(mips_multipass_dfa_lookahead): Update to handle tuning for
	Loongson 2E/2F.
	(mips_sched_init): Initialize data for Loongson scheduling.
	(mips_ls2_variable_issue): New static function.
	(mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
	Add sanity check.
	(TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
	(TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
	* config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
	(ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
	Handle ST Loongson 2E/2F cores.
	(CPU_UNITS_QUERY): Define macro to enable querying of DFA units.

2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* omp-low.c (extract_omp_for_data): Fix comment typo.
	* c.opt: Fix typo.

2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/sourcebuild.texi (Config Fragments): Remove obsolete
	FIXME note about gcc/config.guess.
	* doc/options.texi (Option file format): Remove non-ASCII bytes.
	* doc/cpp.texi: Expand TABs, drop indentation outside examples.
	* doc/cppopts.texi: Likewise.
	* doc/extend.texi: Likewise.
	* doc/gcc.texi: Likewise.
	* doc/gccint.texi: Likewise.
	* doc/gcov.texi: Likewise.
	* doc/gty.texi: Likewise.
	* doc/hostconfig.texi: Likewise.
	* doc/install.texi: Likewise.
	* doc/invoke.texi: Likewise.
	* doc/loop.texi: Likewise.
	* doc/makefile.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/passes.texi: Likewise.
	* doc/tm.texi: Likewise.
	* doc/tree-ssa.texi: Likewise.
	* doc/trouble.texi: Likewise.

2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
	    Nathan Sidwell  <nathan@codesourcery.com>
	    Maxim Kuvyrkov  <maxim@codesourcery.com>
	    Richard Sandiford  <rdsandiford@googlemail.com>
	
	* config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
	* config/mips/mips-protos.h (mips_expand_vector_init): New.
	* config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
	builtins.
	* config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
	(mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
	(mips_vector_mode_supported_p): Add V2SImode, V4HImode and
	V8QImode cases.
	(LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
	(CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
	(CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
	(CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
	(CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
	(CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
	(CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
	(CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
	(CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
	(CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
	(CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
	(CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
	(CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
	(CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
	(CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
	(CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
	(mips_builtins): Add Loongson builtins.
	(mips_loongson_2ef_bdesc): New.
	(mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
	(mips_builtin_vector_type): Handle unsigned versions of vector modes.
	(MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
	(MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
	New.
	(mips_expand_vector_init): New.
	* config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
	(TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
	if appropriate.
	* config/mips/mips.md: Add unspec numbers for Loongson
	builtins.  Include loongson.md.
	(MOVE64): Include Loongson vector modes.
	(SPLITF): Include Loongson vector modes.
	(HALFMODE): Handle Loongson vector modes.
	* config/mips/loongson.md: New.
	* config/mips/loongson.h: New.
	* config.gcc: Add loongson.h header for mips*-*-* targets.
	* doc/extend.texi (MIPS Loongson Built-in Functions): New.

2008-06-14  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
	h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
	i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
	iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
	m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
	m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
	mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
	mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
	mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
	mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
	powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
	sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
	sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
	sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
	sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
	v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
	Remove use_fixproto=yes.
	(ia64*-*-hpux*): Remove comment about using fixproto.
	(m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.

2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure.ac: Update gthr-default.h lazily, to avoid unneeded
	library rebuilds.
	* configure: Regenerate.

2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/36520
	* builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
	before evaluating it.

2008-06-13  Jakub Jelinek  <jakub@redhat.com>

	PR c/36507
	* c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
	nested inline functions.
	(start_decl, start_function): Don't invert DECL_EXTERNAL
	for nested inline functions.

2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
	splits that must be made for correctness.

2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
	(AVAIL_NON_MIPS16): Likewise.
	(mips_builtin_description): Replace target_flags with a predicate.
	(paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
	(dspr2_32): New availability predicates.
	(MIPS_BUILTIN): New macro.
	(DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
	(CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
	(DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
	Replace the TARGET_FLAGS parameters with AVAIL parameters.
	(mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
	(mips_dsp_32only_bdesc): Merge into...
	(mips_builtins): ...this new array.
	(mips_bdesc_map, mips_bdesc_arrays): Delete.
	(mips_init_builtins): Update after above changes.
	(mips_expand_builtin_1): Merge into...
	(mips_expand_builtin): ...here and update after above changes.

2008-06-12  Paul Brook  <paul@codesourcery.com>

	* longlong.h (__arm__): Define count_leading_zeros.
	* config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
	(clzsi2, clzdi2): New functions.
	* config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
	* config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
	* config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
	* config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
	* config/arm/t-pe (LIB1ASMFUNCS): Ditto.
	* config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
	* config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
	* config/arm/t-linux (LIB1ASMFUNCS): Ditto.
	* config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
	* config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.

2008-06-12  Kazu Hirata  <kazu@codesourcery.com>

	* config/m68k/m68k.c (m68k_tune_flags): New.
	(override_options): Compute m68k_tune_flags.
	(MULL_COST, MULW_COST): Update for various variants of CFV2.
	* config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.

2008-06-12  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/36506
	* omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.

2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
	TREE_THIS_VOLATILE on INDIRECT_REF nodes.

2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>

	* expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
	(get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.

2008-06-12  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/36506
	* omp-low.c (expand_omp_sections): Handle #pragma omp sections with
	reductions.

2008-06-12  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36345
	* tree-flow.h (struct ptr_info_def): Align escape_mask,
	add memory_tag_needed flag.
	(may_alias_p): Declare.
	* tree-ssa-alias.c (may_alias_p): Export.
	(set_initial_properties): Use memory_tag_needed flag.
	(update_reference_counts): Likewise.
	(reset_alias_info): Reset memory_tag_needed flag.
	(create_name_tags): Check memory_tag_needed flag.
	(dump_points_to_info_for): Dump it.
	* tree-ssa-structalias.c (struct variable_info): Remove
	directly_dereferenced flag.
	(new_var_info): Do not initialize it.
	(process_constraint_1): Do not set it.
	(update_alias_info): Set is_dereferenced flag.
	(set_uids_in_ptset): Use may_alias_p.
	(set_used_smts): Check memory_tag_needed flag.
	(find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
	* tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
	memory_tag_needed flag.
	* tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
	from broken design.

2008-06-12  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.c (ix86_compute_frame_layout): Disable
	red zone for w64 abi.
	(ix86_expand_prologue): Likewise.
	(ix86_force_to_memory): Likewise.
	(ix86_free_from_memory): Likewise.

2008-06-11  Edmar Wienskoski  <edmar@freescale.com>

	PR target/36425
	* config/rs6000/rs6000.c (rs6000_override_options): Set
	rs6000_isel conditionally to the absence of comand line override.
	* config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
	Remove duplicate rs6000_isel setting.
	* config/rs6000/eabispe.h: Ditto.

2008-06-11  Richard Guenther  <rguenther@suse.de>

	* alias.c (get_alias_set): Use the element alias-set for arrays.
	(record_component_aliases): For arrays and vectors do nothing.
	* c-common.c (strict_aliasing_warning): Handle the cases
	of alias set zero explicitly.
	* Makefile.in (dfp.o-warn): Add -Wno-error.

2008-06-11  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
	tune_32 tune_64.
	(i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
	tune_32 tune_64 to supported_defaults.  Allow values not
	supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
	x86_64.  Do not override cpu_32 or cpu_64 values from target name.
	(i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
	with_cpu_64 to generic for 64-bit-supporting configurations, not
	with_cpu.  Remove FIXMEs.
	* doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
	--with-arch-64, --with-tune-32, --with-tune-64): Document.
	* config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
	(OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
	arch_32 and arch_64.

2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
	    Olivier Hainque  <hainque@adacore.com>

	* builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
	Use DECL_SIZE_UNIT to retrieve the size of the field.

2008-06-11  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (arm_init_neon_builtins): Move initialization
	with function calls after declarations.  Lay out
	neon_float_type_node before further use.

2008-06-11  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (may_point_to_global_var): Declare.
	* tree-ssa-alias.c (may_point_to_global_var): New function.
	* tree-ssa-sink.c (is_hidden_global_store): Use it.

2008-06-10  Kazu Hirata  <kazu@codesourcery.com>

	* configure.ac: Teach that fido supports .debug_line.
	* configure: Regenerate.

2008-06-10  Tom Tromey  <tromey@redhat.com>

	* c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
	debug hook.

2008-06-10  Joseph Myers  <joseph@codesourcery.com>

	* dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
	(encode_decimal64, decode_decimal64, encode_decimal128,
	decode_decimal128): Reverse order of 32-bit parts of value if host
	and target endianness differ.

2008-06-10  Vinodha Ramasamy  <vinodha@google.com>

	* value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
	Avoid division by 0.
	(tree_mod_pow2_value_transform): Likewise.
	(tree_ic_transform): Likewise.
	(tree_stringops_transform): Likewise.
	(tree_mod_subtract_transform): Likewise.
	* tree-inline-c (copy_bb): Corrected int type to gcov_type.
	(copy_edges_for_bb): Likewise.
	(initialize_cfun): Likewise.

2008-06-10  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
	nonmemory_operand. Add "N" operand constraint.
	(*btsi): Ditto.
	(*jcc_btdi_mask_rex64): New instruction and split pattern.
	(*jcc_btsi_mask): Ditto.
	(*jcc_btsi_mask_1): Ditto.

2008-06-10  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/rs6000.c (build_opaque_vector_type): Set
	TYPE_CANONICAL for copied element type.

2008-06-10  Uros Bizjak  <ubizjak@gmail.com>

	PR target/36473
	* config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
	Add m_CORE2 and m_GENERIC.
	* config/i386/predicates.md (bt_comparison_operator): New predicate.
	* config/i386/i386.md (*btdi_rex64): New instruction pattern.
	(*btsi): Ditto.
	(*jcc_btdi_rex64): New instruction and split pattern.
	(*jcc_btsi): Ditto.
	(*jcc_btsi_1): Ditto.
	(*btsq): Fix Intel asm dialect operand order.
	(*btrq): Ditto.
	(*btcq): Ditto.

2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>

	PR middle-end/36447
	* simplify-rtx.c (simplify_subreg): Add check for shift count 
	greater than size.

2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>

	* doc/md.texi: Synchronize with later constraints.md change.
	* longlong.h (umul_ppmm): Replace the MIPS asm implementation
	with a C implementation.
	* config/mips/mips.c (mips_legitimize_move): Remove MFHI and
	MFLO handling.
	(mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
	(mips_split_doubleword_move): Use special MTHI and MFHI instructions
	when moving to and from MD_REGNUM.
	(mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
	Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
	Handle byte and halfword moves.
	(mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
	separately.
	* config/mips/constraints.md (h): Turn into NO_REGS.
	(l, x): Update documentation.
	* config/mips/mips.md (UNSPEC_MFHILO): Delete.
	(UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
	(UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
	(HILO): New mode iterator.
	(MOVE128): Add TI.
	(any_div): New code iterator.
	(u): Extend code attribute to div and udiv.
	(*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
	d_operand in the splitters.  Remove redundant CONST_INT checks.
	(mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
	(*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
	(*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
	accordingly, using normal moves instead of unspecs to move LO into
	a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
	(<u>mulsidi3): Handle expansion in C code.
	(<u>mulsidi3_32bit_internal): Rename to...
	(<u>mulsidi3_32bit): ...this.
	(<u>mulsidi3_32bit_r4000): Fix insn separator.
	(*<u>mulsidi3_64bit): Rename to...
	(<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
	into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
	to set LO and HI to the multiplication result.  Use a normal move
	for MFLO and an unspec for MFHI.
	(*<u>mulsidi3_64bit_parts): Replace with...
	(<u>mulsidi3_64bit_hilo): ...this new instruction.
	(<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
	(<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
	and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
	instead of HI.  Split the instruction into a separate multiplication
	and MFHI if !TARGET_FIX_R4000.
	(<su>muldi3_highpart): Likewise.
	(<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
	and the "=h" clobber.
	(*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
	(<u>mulditi3): New expander.
	(<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
	(madsi): Remove "=h" clobber.
	(divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
	Force the modulus result to be a GPR and split the instruction into
	a division followed by an MFHI after reload.
	(<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
	(*lea_high64): Use d_operand in the define_peephole2.  Likewise
	the MIPS16 HIGH define_split.
	(*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
	of acc<->gpr moves to "multi".
	(*movdi_64bit): Replace the single "x" alternative with
	alternatives for moving into and out of "a".
	(*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
	(*movsi_internal): Extend the "d<-A" alternative to "d<-a".
	(*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
	Use d_operand in the splitters.  Remove redundant CONST_INT checks.
	(*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
	(movti): New expander.
	(*movti, *movti_mips16): New insns.
	(mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
	(mfhi<GPR:mode>_<HILO:mode>): New pattern.
	(mthi<GPR:mode>_<HILO:mode>): Likewise.
	* config/mips/predicates.md (fpr_operand): Delete.
	(d_operand): New predicate.

2008-06-09  Michael Meissner  <michael.meissner@amd.com>

	* config.gcc (i[34567]86-*-*): Put test in quotes to prevent
	failure on some Bourne shells.
	(x86_64-*-*): Ditto.

2008-06-09  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.

2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>

	* doc/install.texi (*-*-solaris2*): Remove obsolete contents.
	(sparc-sun-solaris2*): Likewise.

2008-06-09  Arnaud Charlet  <charlet@adacore.com

	* doc/install.texi: Update requirements to build the Ada compiler.

2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>

	* df-scan.c (struct df_scan_problem_data): Remove the
	mw_link_pool alloc pool.
	(df_scan_free_internal): Don't free it.
	(df_scan_alloc): Don't allocate it.
	* df.h (struct df_link): Update comment.

2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>

	* except.h: Correct checks for when SJLJ exceptions must be used.

2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* doc/invoke.texi (Wenum-compare): Mention that it is enabled by
	default.
	
2008-06-08  Joseph Myers  <joseph@codesourcery.com>

	PR tree-optimization/36218
	* configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
	configure for the build system.
	(BUILD_LDFLAGS): Define.
	* configure: Regenerate.
	* Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.

2008-07-08  Anatoly Sokolov  <aesok@post.ru>

	PR target/36424
	* config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
	* config/avr/avr.c (avr_hard_regno_rename_ok): New function. 
	* config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype. 

2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.

2008-06-07  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (Obsolete configurations): Remove list of
	configurations.
	(Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
	*-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
	targets matched by those patterns.
	(strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
	m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
	alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
	arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
	hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
	i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
	i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
	i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
	i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
	mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
	powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
	powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
	strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
	vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
	i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
	Make code for Solaris 7 and greater unconditional for Solaris.
	(ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
	Remove --with-* handling.
	* config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
	(LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
	ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
	LINK_OS_WINDISS_SPEC): Remove.
	* config/rs6000/sysv4.opt (mwindiss): Remove.
	* configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
	* configure: Regenerate.
	* doc/cpp.texi: Don't mention BeOS.
	* doc/extend.texi (interrupt): Don't mention MS1.
	* doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
	m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
	alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
	i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
	powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
	Remove.
	* doc/invoke.texi (MT Options): Remove.
	(-mwindiss): Remove.
	(CRIS Options): Remove cris-axis-aout references.
	(HPPA Options): Don't mention hppa1.1-*-pro.
	* doc/md.texi: (MorphoTech family): Remove.
	* libgcc2.c: Don't handle UWIN.
	* config/alpha/t-unicosmk: Remove.
	* config/alpha/unicosmk.h: Remove.
	* config/arm/kaos-arm.h: Remove.
	* config/arm/kaos-strongarm.h: Remove.
	* config/arm/strongarm-coff.h: Remove.
	* config/arm/strongarm-elf.h: Remove.
	* config/arm/strongarm-pe.h: Remove.
	* config/arm/t-strongarm-pe: Remove.
	* config/arm/t-xscale-coff: Remove.
	* config/arm/t-xscale-elf: Remove.
	* config/arm/xscale-coff.h: Remove.
	* config/arm/xscale-elf.h: Remove.
	* config/chorus.h: Remove.
	* config/cris/aout.h: Remove.
	* config/cris/aout.opt: Remove.
	* config/cris/t-aout: Remove.
	* config/i386/beos-elf.h: Remove.
	* config/i386/kaos-i386.h: Remove.
	* config/i386/ptx4-i.h: Remove.
	* config/i386/sco5.h: Remove.
	* config/i386/sco5.opt: Remove.
	* config/i386/sysv4-cpp.h: Remove.
	* config/i386/sysv5.h: Remove.
	* config/i386/t-beos: Remove.
	* config/i386/t-sco5: Remove.
	* config/i386/t-uwin: Remove.
	* config/i386/uwin.asm: Remove.
	* config/i386/uwin.h: Remove.
	* config/kaos.h: Remove.
	* config/mips/windiss.h: Remove.
	* config/mt: Remove directory.
	* config/pa/pa-osf.h: Remove.
	* config/pa/pa-pro-end.h: Remove.
	* config/pa/t-pro: Remove.
	* config/ptx4.h: Remove.
	* config/rs6000/beos.h: Remove.
	* config/rs6000/kaos-ppc.h: Remove.
	* config/rs6000/t-beos: Remove.
	* config/rs6000/windiss.h: Remove.
	* config/sh/kaos-sh.h: Remove.
	* config/sol2-6.h: Remove.
	* config/sparc/sol26-sld.h: Remove.
	* config/sparc/sysv4-only.h: Remove.
	* config/vax/bsd.h: Remove.
	* config/vax/t-memfuncs: Remove.
	* config/vax/ultrix.h: Remove.
	* config/vax/vaxv.h: Remove.
	* config/windiss.h: Remove.

2008-06-06  Uros Bizjak <ubizjak@gmail.com>

	PR rtl-optimization/36438
	* cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
	for vector shifts with constant scalar shift operands.

2008-06-06  Sandip Matte  <sandip@rmicorp.com>

	* doc/invoke.texi: Document -march=xlr.
	* config/mips/xlr.md: New file.
	* config/mips/mips.md: Include it.
	(cpu): Add "xlr".
	* config/mips/mips.h (PROCESSOR_XLR): New processor_type.
	* config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
	(mips_rtx_cost_data): Likewise.

2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
	PRE_INC and PRE_DEC cases.

2008-06-06  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/36419
	* except.c (expand_resx_expr): Call do_pending_stack_adjust () before
	the emitting jump insn.

	PR target/36362
	* gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
	is not bool, boolify the whole *expr_p and convert to the desired type.

2008-06-06  Jakub Jelinek  <jakub@redhat.com>

	* c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
	* langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
	Add omp_private_outer_ref hook, add another argument to
	omp_clause_default_ctor hook.
	* langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
	(LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
	(LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
	hook_tree_tree_tree_tree_null.
	(LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
	LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
	* hooks.c (hook_tree_tree_tree_tree_null): New function.
	* hooks.h (hook_tree_tree_tree_tree_null): New prototype.
	* tree.def (OMP_TASK): New tree code.
	* tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
	OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
	OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
	OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
	OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
	OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
	OMP_CLAUSE_COLLAPSE_EXPR): Define.
	(enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
	(OMP_DIRECTIVE_P): Add OMP_TASK.
	(OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
	(OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
	* tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
	and OMP_CLAUSE_UNTIED entries.
	(omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
	num_ops to 2.
	(walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
	Walk OMP_CLAUSE_LASTPRIVATE_STMT.
	* tree-pretty-print.c (dump_omp_clause): Handle
	OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
	OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
	(dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
	* c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
	warning about unsigned iterators.  Change decl/init/cond/incr
	arguments to TREE_VECs, check arguments for all collapsed loops.
	(c_finish_omp_taskwait): New function.
	(c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
	ws_clauses.
	* c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
	default_function_array_conversion on init.  Add par_clauses argument.
	If decl is present in parallel's lastprivate clause, change it to
	shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
	Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
	collapse count in clauses.
	(c_parser_omp_for, c_parser_omp_parallel): Adjust
	c_parser_omp_for_loop callers.
	(OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
	(c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
	(c_parser_omp_clause_name): Handle collapse and untied clauses.
	(c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
	functions.
	(c_parser_omp_clause_schedule): Handle schedule(auto).
	Include correct location in the error message.
	(c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
	and PRAGMA_OMP_CLAUSE_UNTIED.
	(OMP_TASK_CLAUSE_MASK): Define.
	(c_parser_omp_task, c_parser_omp_taskwait): New functions.
	(c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
	* tree-nested.c (convert_nonlocal_omp_clauses,
	convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
	OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
	OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
	Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
	OMP_CLAUSE_DECL.
	(conver_nonlocal_reference, convert_local_reference,
	convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
	OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
	(walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
	* tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
	* c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
	* c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
	(PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
	* c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
	(c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
	OMP_CLAUSE_UNTIED.
	* c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
	* c-common.h (c_finish_omp_taskwait): New prototype.
	* gimple-low.c (lower_stmt): Handle OMP_TASK.
	* tree-parloops.c (create_parallel_loop): Create 1 entry
	vectors for OMP_FOR_{INIT,COND,INCR}.
	* tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
	(make_edges): Handle OMP_TASK.
	* tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
	loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
	* tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
	* builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
	BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
	BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
	BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
	BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
	* omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
	BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
	BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
	BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
	BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
	BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
	BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
	BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
	BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
	BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
	BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
	BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
	BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
	BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
	BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
	BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
	BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
	* gimplify.c (gimplify_omp_for): Allow pointer type for decl,
	handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
	original iterator is present in lastprivate clause or if
	collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
	OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
	(gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
	(enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
	(omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
	if it is set, lookup var in outer contexts too.  Handle
	OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
	to be implicitly determined firstprivate for task regions.
	(gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
	if it is set, lookup var in outer contexts too.  Set
	OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
	Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
	OMP_CLAUSE_UNTIED.  Take region_type as last argument
	instead of in_parallel and in_combined_parallel.
	(gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
	Adjust callers.
	(gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
	GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
	(new_omp_context): Set default_kind to
	OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
	(omp_region_type): New enum.
	(struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
	fields, add region_type.
	(new_omp_context): Take region_type as argument instead of is_parallel
	and is_combined_parallel.
	(gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
	omp_is_private, omp_check_private): Adjust ctx->is_parallel and
	ctx->is_combined_parallel checks.
	(gimplify_omp_task): New function.
	(gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
	OMP_CLAUSE_UNTIED.
	* omp-low.c (extract_omp_for_data): Use schedule(static)
	for schedule(auto).  Handle pointer and unsigned iterators.
	Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
	Add loops argument.  Extract data for collapsed OMP_FOR loops.
	(expand_parallel_call): Assert sched_kind isn't auto,
	map runtime schedule to index 3.
	(struct omp_for_data_loop): New type.
	(struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
	Add loop, loops, collapse and iter_type fields.
	(workshare_safe_to_combine_p): Disallow combined for if
	iter_type is unsigned long long.  Don't combine collapse > 1 loops
	unless all bounds and steps are constant.  Adjust extract_omp_for_data
	caller.
	(expand_omp_for_generic): Handle pointer, unsigned and long long
	iterators.  Handle collapsed OMP_FOR loops.  Adjust
	for struct omp_for_data changes.  If libgomp function doesn't return
	boolean_type_node, add comparison of the return value with 0.
	(expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
	pointer, unsigned and long long iterators.  Adjust for struct
	omp_for_data changes.
	(expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
	to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
	unsigned long long.  Allocate loops array, pass it to
	extract_omp_for_data.  For collapse > 1 loops use always
	expand_omp_for_generic.
	(omp_context): Add sfield_map and srecord_type fields.
	(is_task_ctx, lookup_sfield): New functions.
	(use_pointer_for_field): Use is_task_ctx helper.  Change first
	argument's type from const_tree to tree.  Clarify comment.
	In OMP_TASK disallow copy-in/out sharing.
	(build_sender_ref): Call lookup_sfield instead of lookup_field.
	(install_var_field): Add mask argument.  Populate both record_type
	and srecord_type if needed.
	(delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
	in srecord_type.
	(fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
	and DECL_FIELD_OFFSET.
	(scan_sharing_clauses): Adjust install_var_field callers.  For
	firstprivate clauses on explicit tasks allocate the var by value in
	record_type unconditionally, rather than by reference.
	Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
	Use is_taskreg_ctx instead of is_parallel_ctx.
	Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
	(create_omp_child_function_name): Add task_copy argument, use
	*_omp_cpyfn* names if it is true.
	(create_omp_child_function): Add task_copy argument, if true create
	*_omp_cpyfn* helper function.
	(scan_omp_parallel): Adjust create_omp_child_function callers.
	Rename parallel_nesting_level to taskreg_nesting_level.
	(scan_omp_task): New function.
	(lower_rec_input_clauses): Don't run constructors for firstprivate
	explicit task vars which are initialized by *_omp_cpyfn*.  
	Pass outer var ref to omp_clause_default_ctor hook if
	OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
	Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
	OMP_CLAUSE_REDUCTION_INIT.
	(lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
	avoid duplicate setting of fields.  Handle
	OMP_CLAUSE_PRIVATE_OUTER_REF.
	(lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
	copy-out if TREE_READONLY, only copy-in.
	(expand_task_copyfn): New function.
	(expand_task_call): New function.
	(struct omp_taskcopy_context): New type.
	(task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
	New functions.
	(lower_omp_parallel): Rename to...
	(lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
	Call create_task_copyfn if srecord_type is needed.  Adjust
	sender_decl type.
	(task_shared_vars): New variable.
	(check_omp_nesting_restrictions): Warn if work-sharing,
	barrier, master or ordered region is closely nested inside OMP_TASK.
	Add warnings for barrier if closely nested inside of work-sharing,
	ordered, or master region.
	(scan_omp_1): Call check_omp_nesting_restrictions even for
	GOMP_barrier calls.  Rename parallel_nesting_level to
	taskreg_nesting_level.  Handle OMP_TASK.
	(lower_lastprivate_clauses): Even if some lastprivate is found on a
	work-sharing construct, continue looking for them on parent parallel
	construct.
	(lower_omp_for_lastprivate): Add lastprivate clauses
	to the beginning of dlist rather than end.  Adjust for struct
	omp_for_data changes.
	(lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
	not after it.  Handle collapsed OMP_FOR loops, adjust for
	OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
	(get_ws_args_for): Adjust extract_omp_for_data caller.
	(scan_omp_for): Handle collapsed OMP_FOR
	loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
	(lower_omp_single_simple): If libgomp function doesn't return
	boolean_type_node, add comparison of the return value with 0.
	(diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
	loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
	(parallel_nesting_level): Rename to...
	(taskreg_nesting_level): ... this.
	(is_taskreg_ctx): New function.
	(build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
	of is_parallel_ctx.
	(execute_lower_omp): Rename parallel_nesting_level to
	taskreg_nesting_level.
	(expand_omp_parallel): Rename to...
	(expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
	Call omp_task_call for OMP_TASK regions.
	(expand_omp): Adjust caller, handle OMP_TASK.
	(lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.

	* bitmap.c (bitmap_default_obstack_depth): New variable.
	(bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
	if argument is NULL and bitmap_default_obstack is already initialized.
	* ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
	at the end.
	* matrix-reorg.c (matrix_reorg): Likewise.

2008-06-06  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*indirect_jump): Macroize using P
	mode iterator.  Remove !TARGET_64BIT from insn constraints.
	(*tablejump_1): Ditto.
	(*indirect_jump_rex64): Remove insn pattern.
	(*tablejump_1_rex64): Ditto.
	(eh_return_<mode>): Macroize using P mode iterator from eh_return_di
	and eh_return_si insn patterns.

2008-06-06  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (merge_smts_into): Remove.
	(find_what_p_points_to): Do not bother to compute the
	points-to set for pt_anything pointers.
	* tree-ssa-operands.c (get_addr_dereference_operands): No NMT
	for pt_anything pointers is ok.

2008-06-06  Jan Hubicka  <jh@suse.cz>

	* passes.c (execute_ipa_pass_list): Do not regenerate summaries.

2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* cgraph.c: Fix typos in comments.
	(cgraph_availability_names): Fix string typo.
	* fold-const.c: Fix typos in comments.
	(fold_binary): Fix typo in warning.
	* genautomata.c: Fix typos in comments.
	(check_presence_pattern_sets): Fix typo in local variable.
	(output_description): Fix typo in output.
	* ggc-zone.c (ggc_pch_finish): Fix typo in error message.
	* hwint.h: Likewise.
	* matrix-reorg.c (check_allocation_function): Likewise.
	* omega.c (smooth_weird_equations): Likewise.
	* auto-inc-dec.c: Fix typos in comments.
	* bb-reorder.c: Likewise.
	* builtins.c: Likewise.
	* c-common.c: Likewise.
	* c-cppbuiltin.c: Likewise.
	* c-parser.c: Likewise.
	* c-pretty-print.c: Likewise.
	* cfgcleanup.c: Likewise.
	* cfgexpand.c: Likewise.
	* cfghooks.c: Likewise.
	* cfglayout.c: Likewise.
	* cfgloopmanip.c: Likewise.
	* cgraphunit.c: Likewise.
	* coverage.c: Likewise.
	* dbxout.c: Likewise.
	* df-byte-scan.c: Likewise.
	* df-core.c: Likewise.
	* df-problems.c: Likewise.
	* df-scan.c: Likewise.
	* dfp.c: Likewise.
	* dominance.c: Likewise.
	* domwalk.c: Likewise.
	* dse.c: Likewise.
	* dwarf2out.c: Likewise.
	* emit-rtl.c: Likewise.
	* et-forest.c: Likewise.
	* function.c: Likewise.
	* function.h: Likewise.
	* gcc.c: Likewise.
	* gcov-io.c: Likewise.
	* gcov.c: Likewise.
	* gcse.c: Likewise.
	* genattrtab.c: Likewise.
	* ggc-page.c: Likewise.
	* gimplify.c: Likewise.
	* gthr-lynx.h: Likewise.
	* haifa-sched.c: Likewise.
	* ipa-cp.c: Likewise.
	* ipa-inline.c: Likewise.
	* ipa-prop.h: Likewise.
	* ipa-pure-const.c: Likewise.
	* ipa-struct-reorg.c: Likewise.
	* ipa-struct-reorg.h: Likewise.
	* ipa-type-escape.c: Likewise.
	* ipa.c: Likewise.
	* loop-doloop.c: Likewise.
	* mips-tfile.c: Likewise.
	* mkmap-flat.awk: Likewise.
	* mkmap-symver.awk: Likewise.
	* modulo-sched.c: Likewise.
	* omp-low.c: Likewise.
	* optabs.c: Likewise.
	* optabs.h: Likewise.
	* opts.c: Likewise.
	* passes.c: Likewise.
	* postreload-gcse.c: Likewise.
	* postreload.c: Likewise.
	* predict.c: Likewise.
	* pretty-print.h: Likewise.
	* profile.c: Likewise.
	* protoize.c: Likewise.
	* ra-conflict.c: Likewise.
	* real.c: Likewise.
	* recog.c: Likewise.
	* regclass.c: Likewise.
	* regs.h: Likewise.
	* reload.c: Likewise.
	* rtl-error.c: Likewise.
	* rtlanal.c: Likewise.
	* scan.h: Likewise.
	* sched-rgn.c: Likewise.
	* see.c: Likewise.
	* stmt.c: Likewise.
	* target.h: Likewise.
	* tree-dfa.c: Likewise.
	* tree-eh.c: Likewise.
	* tree-flow-inline.h: Likewise.
	* tree-inline.c: Likewise.
	* tree-into-ssa.c: Likewise.
	* tree-loop-distribution.c: Likewise.
	* tree-nested.c: Likewise.
	* tree-parloops.c: Likewise.
	* tree-pass.h: Likewise.
	* tree-pretty-print.c: Likewise.
	* tree-profile.c: Likewise.
	* tree-scalar-evolution.c: Likewise.
	* tree-sra.c: Likewise.
	* tree-ssa-alias-warnings.c: Likewise.
	* tree-ssa-ccp.c: Likewise.
	* tree-ssa-coalesce.c: Likewise.
	* tree-ssa-dom.c: Likewise.
	* tree-ssa-dse.c: Likewise.
	* tree-ssa-forwprop.c: Likewise.
	* tree-ssa-live.c: Likewise.
	* tree-ssa-live.h: Likewise.
	* tree-ssa-loop-im.c: Likewise.
	* tree-ssa-loop-ivopts.c: Likewise.
	* tree-ssa-loop-niter.c: Likewise.
	* tree-ssa-loop-prefetch.c: Likewise.
	* tree-ssa-phiopt.c: Likewise.
	* tree-ssa-phiprop.c: Likewise.
	* tree-ssa-sccvn.c: Likewise.
	* tree-ssa-ter.c: Likewise.
	* tree-ssa-threadupdate.c: Likewise.
	* tree-ssa.c: Likewise.
	* tree-vect-analyze.c: Likewise.
	* tree-vect-transform.c: Likewise.
	* tree-vectorizer.c: Likewise.
	* tree-vn.c: Likewise.
	* tree-vrp.c: Likewise.
	* tree.c: Likewise.
	* tree.def: Likewise.
	* tree.h: Likewise.
	* unwind-dw2-fde.c: Likewise.
	* unwind.inc: Likewise.
	* value-prof.c: Likewise.
	* vmsdbgout.c: Likewise.

2008-06-05  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
	always place FP constants in the TOC for TARGET_POWERPC64.
	* config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.

2008-06-05  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
	* config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
	enable for TARGET_E500_DOUBLE.
	(*movdd_softfloat32): Also enable for !TARGET_FPRS.
	* config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
	floating-point modes like integer modes for E500 double.
	(rs6000_legitimate_offset_address_p): Likewise.
	(rs6000_legitimize_address): Likewise.  Do not allow REG+REG
	addressing for DDmode for E500 double.
	(rs6000_hard_regno_nregs): Do not treat decimal floating-point
	modes as using 64-bits of registers for E500 double.
	(spe_build_register_parallel): Do not handle DDmode or TDmode.
	(rs6000_spe_function_arg): Do not handle DDmode or TDmode
	specially for E500 double.
	(function_arg): Do not call rs6000_spe_function_arg for DDmode or
	TDmode for E500 double.
	(rs6000_gimplify_va_arg): Only handle SDmode in registers
	specially if TARGET_HARD_FLOAT && TARGET_FPRS.
	(rs6000_split_multireg_move): Do not handle TDmode specially for
	E500 double.
	(spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
	using 64-bit registers for E500 double.
	(emit_frame_save): Do not handle DDmode specially for E500 double.
	(gen_frame_mem_offset): Likewise.
	(rs6000_function_value): Do not call spe_build_register_parallel
	for DDmode or TDmode.
	(rs6000_libcall_value): Likewise.
	* config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
	DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
	for E500 double.

2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
	in comments.

2008-06-04  Junjie Gu <jgu@tensilica.com>

	* config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
	comparison for frame pointers.

2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>

	PR target/27386
	* config/avr/avr.h (PUSH_ROUNDING): Remove.

2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>

	PR target/30243
	* builtins.c (expand_builtin_signbit): Don't take lowpart when
	register is already smaller or equal to required mode. 

2008-06-04  Xinliang David Li  <davidxl@google.com>

	* tree-call-cdce.c: New file. 
	(cond_dead_built_in_calls): New static variable.
	(input_domain): New struct.
	(check_pow): New function.
	(check_builtin_call): Ditto.
	(check_target_format): Ditto.
	(is_call_dce_candidate): Ditto.
	(gen_one_condition): Ditto.
	(gen_conditions_for_domain): Ditto.
	(get_domain): Ditto.
	(gen_conditions_for_pow_cst_base): Ditto.
	(gen_conditions_for_pow_int_base): Ditto.
	(gen_conditions_for_pow): Ditto.
	(get_no_error_domain): Ditto.
	(gen_shrink_wrap_conditions): Ditto.
	(shrink_wrap_one_built_in_call): Ditto.
	(shink_wrap_conditional_dead_built_in_calls): Ditto.
	(tree_call_cdce): Ditto.
	(gate_call_cdce): Ditto.
	(pass_call_cdce): New gimple pass.
	* passes.c: (init_optimization_passes): New pass.
	* tree-pass.h: New pass declaration.
	* opts.c (decode_options): New flag setting.
	* common.opt: Add -ftree-builtin-call-dce flag.
	* Makefile.in: Add new source file.
	* tempvar.def: New tv_id.
	* doc/invoke.texi (-ftree-builtin-call-dce): New flag.

2008-06-04  Richard Guenther  <rguenther@suse.de>

	* tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
	(is_call_clobbered): Always check var_ann->call_clobbered.
	(mark_call_clobbered): Always set var_ann->call_clobbered.
	(clear_call_clobbered): Always clear var_ann->call_clobbered.
	* tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
	(reset_alias_info): Clear call clobbering info on MTAGs and
	globals as well.
	(set_pt_anything): Set pt_global_mem.
	(create_tag_raw): Adjust comment.
	(may_be_aliased): Do not check TREE_PUBLIC on MTAGs.

2008-06-04  Joseph Myers  <joseph@codesourcery.com>
	    Maxim Kuvyrkov  <maxim@codesourcery.com>

	* config/m68k/m68k.opt (mxgot): New option.
	* config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
	(m68k_output_addr_const_extra): New.
	* config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
	* config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
	* config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
	* doc/invoke.texi (M680x0 Options): Document -mxgot.

2008-06-04  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
	negative or non-representable offsets.

2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_gen_leave): New.
	(ix86_gen_pop1): Likewise.
	(ix86_gen_add3): Likewise.
	(ix86_gen_sub3): Likewise.
	(ix86_gen_sub3_carry): Likewise.
	(ix86_gen_one_cmpl2): Likewise.
	(ix86_gen_monitor): Likewise.
	(override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
	ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
	ix86_gen_one_cmpl2 and ix86_gen_monitor.
	(ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
	(output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
	mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
	(ix86_expand_epilogue): Updated.
	(print_operand): Handle integer register operand for 'z'.
	(ix86_expand_strlensi_unroll_1): Likewise.
	(ix86_expand_strlen): Likewise.
	(ix86_expand_builtin): Likewise.
	(x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
	mov{q}/mov{l} and add{q}/add{l}.

2008-06-03  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.md (P): New mode iterator.
	(SFmode push_operand splitter): Macroize DImode and SImode pushes
	using P mode iterator.
	(DFmode push_operand splitter): Ditto.
	(XFmode push_operand splitter): Ditto.
	(DFmode float_extend SFmode push_operand splitter): Ditto.
	(XFmode float_extend SFmode push_operand splitter): Do not generate
	SImode pushes for 64bit target.  Macroize Dimode and SImode
	pushes using P mode iterator.
	(XFmode float_extend DFmode push_operand splitter): Ditto.

2008-06-03  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
	* config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
	* config/i386/i386.c (ix86_reg_parm_stack_space): Changed
	return type to int.
	(ix86_call_abi_override): Remove check for call_used_regs.

2008-06-03  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (find_func_aliases): Add constraints
	for the lhs of calls if the return type contains pointers.

2008-06-03  Kai Tietz  <kai.tietz@onevision.com>

	* doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
	* doc/extend.texi (ms_abi,sysv_abi): New attribute description.
	* function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
	* config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
	of cfun and DEFAULT_ABI to deceide abi mode.
	(DEFAULT_ABI): New.
	(REG_PARM_STACK_SPACE): Removed.
	(OUTGOING_REG_PARM_STACK_SPACE): Removed.
	(STACK_BOUNDARY): Use default target to deceide stack boundary.
	* config/i386/i386-protos.h (ix86_cfun_abi): New.
	(ix86_function_abi): Likewise.
	(ix86_function_type_abi): Likewise.
	(ix86_call_abi_override): Likewise.
	* confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
	specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
	* config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
	(X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
	specific defines.
	(X86_64_REGPARM_MAX): New.
	(X86_64_SSE_REGPARM_MAX): New.
	(X64_REGPARM_MAX): New.
	(X64_SSE_REGPARM_MAX): New.
	(X86_32_REGPARM_MAX): New.
	(X86_32_SSE_REGPARM_MAX): New.
	(ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
	(ix86_function_regparm): Handle user calling abi.
	(ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
	by DEFAULT_ABI versus SYSV_ABI check.
	(ix86_reg_parm_stack_space): New.
	(ix86_function_type_abi): New.
	(ix86_call_abi_override): New.
	(ix86_function_abi): New.
	(ix86_cfun_abi): New.
	(init_cumulative_args): Call abi specific initialization.
	(function_arg_advance): Remove TARGET_64BIT_MS_ABI.
	(function_arg_64): Extend SSE_REGPARM_MAX check.
	(function_arg (): Remove TARGET_64BIT_MS_ABI.
	(ix86_pass_by_reference): Likewise.
	(ix86_function_value_regno_p): Likewise.
	(function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
	(ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
	(return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
	(ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
	(setup_incoming_varargs_64): Adjust regparm for call abi.
	(ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
	(ix86_va_start): Likewise.
	(ix86_gimplify_va_arg): Likewise.
	(ix86_expand_prologue): Likewise.
	(output_pic_addr_const): Likewise.
	(ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
	(x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
	(x86_output_mi_thunk): Likewise.
	(x86_function_profiler): Likewise.
	* config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
	(SYSV_ABI, MS_ABI): New constants.
	(DEFAULT_ABI): New.
	(init_regs): Add prototype of function in regclass.c file.
	(OVERRIDE_ABI_FORMAT): New.
	(CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
	(REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
	(OUTGOING_REG_PARM_STACK_SPACE): New.
	(ix86_reg_parm_stack_space): New prototype.
	(CUMULATIVE_ARGS): Add call_abi member.
	(machine_function): Add call_abi member.
	* config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
	TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.

2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com> 

	PR target/34879
	* config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
	(avr_builtin_setjmp_frame_value): New function.
	* config/avr/avr.md (nonlocal_goto_receiver): Define.
	(nonlocal_goto): Define.

2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_emit_loadgp): Return early if
	there is nothing do to, otherwise emit a blockage if
	!TARGET_EXPLICIT_RELOCS || crtl->profile.
	* config/mips/mips.md (loadgp_blockage): Use SI rather than DI.

2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure.ac: Drop unneeded backslash ending up in config.in.
	* acinclude.m4: Likewise.
	* config.in: Regenerate.

2008-05-26  Jan Hubicka  <jh@suse.cz>

	* predict.c (maybe_hot_frequency_p): Break out of...
	(maybe_hot_bb_p): ... here.
	(maybe_hot_edge_p): New.
	* tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
	* basic-block.h (maybe_hot_edge_p): Declare.

2008-05-31  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
	(*cmpfp_<mode>_cc): Ditto.
	(*fp_jcc_8<mode>_387): Ditto.
	(*fop_<MODEF:mode>_2_i387): Ditto.
	(*fop_<MODEF:mode>_3_i387): Ditto.
	(*fop_xf_2_i387): Ditto.
	(*fop_xf_3_i387): Ditto.

2008-06-02  Tomas Bily  <tbily@suse.cz>

	* tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.

2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_valid_offset_p): New function.
	(mips_valid_lo_sum_p): Likewise.
	(mips_classify_address): Use them.
	(mips_force_address): New function.
	(mips_legitimize_address): Use it.
	* config/mips/mips.md (MOVE128): New mode iterator.
	(movtf): Require TARGET_64BIT.  Remove empty strings.
	(*movtf_internal): Rename to...
	(*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
	of "R" and use {,fp}{load,store} attributes instead of "multi".
	Use a separate define_split.
	(*movtf_mips16): New pattern.

2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips-protos.h (mips_expand_before_return): Declare.
	* config/mips/mips.c (mips_expand_before_return): New function.
	(mips_expand_epilogue): Call it.
	* config/mips/mips.md (return): Turn into a define_expand.
	(*return): New insn.

2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>

	* rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
	* emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
	functions.  Do not emit uses and clobbers of CONCATs; individually
	use and clobber their operands.
	* builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
	gen_clobber, emit_use and gen_use.
	(expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
	(expand_builtin_return): Likewise.
	* cfgbuild.c (count_basic_blocks): Likewise.
	* cfgrtl.c (rtl_flow_call_edges_add): Likewise.
	* explow.c (emit_stack_restore): Likewise.
	* expmed.c (extract_bit_field_1): Likewise.
	* expr.c (convert_move, emit_move_complex_parts): Likewise.
	(emit_move_multi_word, store_constructor): Likewise.
	* function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
	(thread_prologue_and_epilogue_insns): Likewise.
	* lower-subreg.c (resolve_simple_move): Likewise.
	* optabs.c (widen_operand, expand_binop): Likewise.
	(expand_doubleword_bswap, emit_no_conflict_block): Likewise.
	* reload.c (find_reloads): Likewise.
	* reload1.c (eliminate_regs_in_insn): Likewise.
	* stmt.c (expand_nl_goto_receiver): Likewise.
	* config/alpha/alpha.md (builtin_longjmp): Likewise.
	* config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
	* config/arm/arm.c (arm_load_pic_register): Likewise.
	(thumb1_expand_epilogue, thumb_set_return_address): Likewise.
	* config/arm/arm.md (untyped_return): Likewise.
	* config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
	* config/avr/avr.c (expand_prologue): Likewise.
	* config/bfin/bfin.c (do_unlink): Likewise.
	* config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
	* config/cris/cris.c (cris_expand_prologue): Likewise.
	* config/darwin.c (machopic_indirect_data_reference): Likewise.
	(machopic_legitimize_pic_address): Likewise.
	* config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
	(frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
	* config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
	(ix86_expand_convert_uns_didf_sse): Likewise.
	(ix86_expand_vector_init_general): Likewise.
	* config/ia64/ia64.md (eh_epilogue): Likewise.
	* config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
	* config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
	* config/m32r/m32r.c (m32r_reload_lr): Likewise.
	(config/iq2000/iq2000.c): Likewise.
	* config/mips/mips.md (fixuns_truncdfsi2): Likewise.
	(fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
	(builtin_longjmp): Likewise.
	* config/mn10300/mn10300.md (call, call_value): Likewise.
	* config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
	* config/pdp11/pdp11.md (abshi2): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
	* config/s390/s390.c (s390_emit_prologue): Likewise.
	* config/s390/s390.md (movmem_long, setmem_long): Likewise.
	(cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
	(builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
	* config/sh/sh.c (prepare_move_operands): Likewise.
	(output_stack_adjust, sh_expand_epilogue): Likewise.
	(sh_set_return_address, sh_expand_t_scc): Likewise.
	* config/sparc/sparc.c (load_pic_register): Likewise.
	* config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
	* config/spu/spu.c (spu_expand_epilogue): Likewise.
	* config/v850/v850.c (expand_epilogue): Likewise.

2008-05-31  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
	(UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
	(movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
	* config/avr/avr.c (expand_prologue, expand_epilogue): Use 
	movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the 
	stack pointer register.
	(output_movhi): Remove code for interrupt specific writing to the 
	stack pointer register.

2008-05-31  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34244
	* fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
	(tree_expr_nonzero_warnv_p): Likewise.
	* tree-vrp.c (vrp_expr_computes_nonnegative): Call
	ssa_name_nonnegative_p.
	(vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
	(extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
	not tree_expr_nonzero_warnv_p.

	PR tree-optimization/36262
	Revert
	2007-11-29  Zdenek Dvorak  <ook@ucw.cz>

	PR tree-optimization/34244
	* tree-vrp.c (adjust_range_with_scev): Clear scev cache.
	(record_numbers_of_iterations): New function.
	(execute_vrp): Cache the numbers of iterations of loops.
	* tree-scalar-evolution.c (scev_reset_except_niters):
	New function.
	(scev_reset): Use scev_reset_except_niters.
	* tree-scalar-evolution.h (scev_reset_except_niters): Declare.

2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
	__WORKAROUND_RETS when appropriate.

2008-05-31  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
	*fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
	mode iterator.
	(*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
	*fop_df_comm_sse insn patterns using MODEF mode iterator.
	(*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
	*fop_df_comm_i387 insn patterns using MODEF mode iterator.
	(*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
	*fop_df_1_mixed insn patterns using MODEF mode iterator.
	(*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
	*fop_df_1_sse insn patterns using MODEF mode iterator.
	(*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
	*fop_df_1_i387 insn patterns using MODEF mode iterator.
	(*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
	*fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
	(*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
	*fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
	(*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
	(*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
	(*fop_xf_4_i387): Use <MODE> for mode attribute.
	(*fop_xf_5_i387): Ditto.
	(*fop_xf_6_i387): Ditto.

2008-05-30  Richard Guenther  <rguenther@suse.de>

	* builtins.c (build_string_literal): Avoid generating
	a non-gimple_val result.

2008-05-30  DJ Delorie  <dj@redhat.com>

	* exec-tool.in: Use an environment variable (private) instead of a
	file (shared) as a semaphore, so as to not break parallel builds.

2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>

	* optabs.c (maybe_encapsulate_block): Remove.
	(emit_libcall_block): Adjust accordingly.
	* optabs.h (maybe_encapsulate_block): Remove prototype.

	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
	Don't use maybe_encapsulate_block.

2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>

	* config/rs6000/rs6000.c (rs6000_legitimize_address,
	rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
	rtx is a SYMBOL_REF before calling get_pool_constant.

2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.

2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>

	* incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
	rather than OS names to choose INO_T_EQ definition.
	(DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
	(add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.

2008-05-29  Daniel Franke  <franke.daniel@gmail.com>

	PR target/36348
	* config/darwin-f.c: New.
	* config/t-darwin: Added rule to build darwin-f.o.
	* config.gcc: Defined new variable, fortran_target_objs.
	(*-*-darwin*): Set fortran_target_objs.
	* Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
	* configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
	* configure: Regenerated.

2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35771
	* config/i386/i386.c (ix86_function_arg_boundary): Convert to
	canonical type if needed.

2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-nested.c (check_for_nested_with_variably_modified): Fix typo.

2008-05-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36343
	PR tree-optimization/36346
	PR tree-optimization/36347
	* tree-flow.h (clobber_what_p_points_to): Declare.
	* tree-ssa-structalias.c (set_uids_in_ptset): Whether the
	pointed-to variable is dereferenced is irrelevant to whether
	the pointer can access the pointed-to variable.
	(clobber_what_p_points_to): New function.
	* tree-ssa-alias.c (set_initial_properties): Use it.
	* tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
	call clobber check for NMTs.

2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
	
	* value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
	for printing gcov_type.

2008-05-28  Seongbae Park  <seongbae.park@gmail.com>

	* tree-ssa-propagate.c (set_rhs): Preserve the histogram
	and the eh region information.
	* value-prof.c (gimple_move_stmt_histograms): New function.
	* value-prof.h (gimple_move_stmt_histograms): New function declaration.

2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>

	* config/pa/pa.md: Remove extern frame_pointer_needed declaration.

2008-05-28  Seongbae Park <seongbae.park@gmail.com>

	* value-prof.c (tree_ic_transform): Print counts.
	* tree-profile.c (tree_gen_ic_func_profiler):
	Clear __gcov_indreict_call_callee variable to avoid misattribution
	of the profile.

2008-05-28  Rafael Espindola  <espindola@google.com>

	* see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
	invalid sharing.

2008-05-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36339
	* tree-ssa-alias.c (set_initial_properties): Move pt_anything
	and clobbering code out of the loop.

2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
	letters defined.

	* config/s390/s390.c (s390_compare_and_branch_condition_mask,
	s390_contiguous_bitmask_p, s390_symref_operand_p,
	s390_check_symref_alignment, s390_reload_larl_operand,
	s390_reload_symref_address): New functions.
	(s390_branch_condition_mnemonic): Support compare and branch
	instructions.
	(s390_mem_constraint): Avoid symrefs to accepted by the 'T'
	and 'W' constraints.
	(s390_secondary_reload): Add secondary reloads for unaligned
	symbol refs or symbol refs to floating point or QI/TI mode
	integer values.
	(legitimate_address_p): Accept symbol references as addresses.
	(s390_expand_insv): Use rotate and insert selected bits
	instruction for insv when building for z10.
	(print_operand_address): Handle symbol ref addresses.
	(print_operand): Output modifier 'c' added for signed byte values.
	(s390_encode_section_info): Mark symbol refs with
	SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.

	* config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
	(length attribute): RRF, RRR have 4 byte length.
	(FPALL, INTALL): New mode iterators added.
	(*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
	*cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
	*movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
	*extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
	*zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
	*add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
	*add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
	*mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
	instructions.
	(*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
	*cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
	*cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
	reload<INTALL:mode><P:mode>_toreg_z10,
	reload<FPALL:mode><P:mode>_tomem_z10,
	reload<FPALL:mode><P:mode>_toreg_z10,
	reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
	*insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
	*zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
	*cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
	definition.
	(movmem, clrmem, cmpmem): New splitters added.

	* config/s390/predicates.md (larl_operand): Use
	SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
	SYMBOL_REF_ALIGN1_P.
	(s390_signed_integer_comparison,
	s390_unsigned_integer_comparison): New predicates.

	* config/s390/s390-protos.h (s390_check_symref_alignment,
	s390_contiguous_bitmask_p, s390_reload_larl_operand,
	s390_reload_symref_address,
	s390_compare_and_branch_condition_mask): Prototypes added.

	* config/s390/s390.h (TARGET_MEM_CONSTRAINT,
	SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
	SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.

2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (z10_cost): New cost function for z10.
	(s390_handle_arch_option, override_options): Support -march=z10 switch.
	(s390_issue_rate): Adjust issue rate for z10.
	* config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
	(processor_flags): Add PF_Z10.
	(TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
	* config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
	* gcc/config.gcc: Add z10.

2008-05-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36291
	* tree-flow. h (struct gimple_df): Remove var_anns member.
	* tree-flow-inline.h (gimple_var_anns): Remove.
	(var_ann): Simplify.
	* tree-dfa.c (create_var_ann): Simplify.
	(remove_referenced_var): Clear alias info from var_anns of globals.
	* tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
	(delete_tree_ssa): Clear alias info from var_anns of globals.
	Do not free var_anns.
	(var_ann_eq): Remove.
	(var_ann_hash): Likewise.

2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>

	* config/mips/mips.c (mips_cpu_info_table): Add loongson2e
	and loongson2f entries.
	(mips_rtx_cost_data): Add entries for Loongson-2E/2F.
	* config/mips/mips.h (processor_type): Add Loongson-2E
	and Loongson-2F entries.
	(TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
	(MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
	* config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
	* doc/invoke.texi (MIPS Options): Document loongson2e
	and loongson2f processor names.

2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35767
	PR target/35771
	* config/i386/i386.c (ix86_function_arg_boundary): Use
	alignment of canonical type.
	(ix86_expand_vector_move): Check unaligned memory access for
	all SSE modes.

2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>

	* dwarf2out.c (current_fde): Change return type to dw_fde_ref.
	Moved to the front of file.

2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	* dwarf2out.c (current_fde): New.
	(add_cfi): Use it.
	(lookup_cfa:): Likewise.
	(dwarf2out_end_epilogue): Likewise.
	(dwarf2out_note_section_used): Likewise.

2008-05-27  Michael Matz  <matz@suse.de>

	PR c++/27975
	* c.opt (Wenum-compare): New warning option.
	* doc/invoke.texi  (Warning Options): Document -Wenum-compare.

2008-05-27  Michael Matz  <matz@suse.de>

	PR middle-end/36326
	* tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
	non-BLKmode types.
	* tree-tailcall.c (find_tail_calls): Don't mark calls storing
	into memory as tail calls.

2008-05-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36339
	* tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
	pointers cause all addressable variables to be call clobbered.

2008-05-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36245
	* tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.md: Replace all occurences of the 'm'
	constraint with 'RT'.

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.md ("cpu_facility", "enabled"): Attribute
	definitions added.
	("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
	"*movdi_64".
	("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
	("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
	("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

	* reload.c: (find_reloads): Skip alternatives according to the
	"enabled" attribute. Constify the constraint variable.
	* recog.c (get_attr_enabled): Add default implementation.
	(extract_insn): Set the alternative_enabled_p array
	in the recog_data struct.
	(preprocess_constraints, constrain_operands): Skip
	alternatives according to the "enabled" attribute
	* recog.h (struct recog_data): New field alternative_enabled_p.
	(skip_alternative): New inline function.
	* regclass.c: (record_operand_costs): Check the "enabled" attribute.
	(record_reg_classes): Skip alternative according to the
	"enabled" attribute.

	* doc/md.texi: Add documention for the "enabled" attribute.

2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>

	* defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
	* postreload.c (reload_cse_simplify_operands): Replace 'm'
	constraint with TARGET_MEM_CONSTRAINT.
	* recog.c (asm_operand_ok, preprocess_constraints,
	constrain_operands): Likewise.
	* regclass.c (record_reg_classes): Likewise.
	* reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
	* reload1.c (maybe_fix_stack_asms): Likewise.
	* stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
	* recog.h: Adjust comment.
	* genpreds.c (generic_constraint_letters): Remove 'm' constraint.
	* genoutput.c (note_constraint): Don't emit error for 'm' constraint.
	* doc/md.texi: Add a note to description of 'm' constraint.
	* doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.

2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
	that the bitfield is of integral type before testing its precision.

2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
	    Sa Liu  <saliu@de.ibm.com> 

	* config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
	__modti3, __udivti3, __umodti3 and __udivmodti4.
	* config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
	that implement TImode mul and div functions.
	* config/spu/multi3.c: New. Implement __multi3.
	* config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
	* testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
	functions on SPU.

2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>

	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
	new tls_gd_* and tls_ld_* insns instead of an insn sequence.
	* config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
	tls_sysv_suffix): New mode and mode attribute iterators.
	(tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
	(lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
	(tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
	tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
	tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
	iterators.

2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/36329
	* tree.h (CALL_CANNOT_INLINE_P): Add access check.
	* tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
	* cgraphbuild.c (initialize_inline_failed): Use the latter
	macro in lieu of the former.
	* ipa-inline.c (cgraph_mark_inline): Likewise.
	(cgraph_decide_inlining_of_small_function): Likewise.
	(cgraph_decide_inlining): Likewise.
	(cgraph_decide_inlining_incrementally): Likewise.

2008-05-26  Tristan Gingold  <gingold@adacore.com>
	    Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
	instead of pm_lo8/pm_hi8 to makes this call working on avr6.
	* config/avr/avr.c (expand_prologue): Tune "call_prologue" 
	optimization for 'avr6' architecture.

2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>

	PR target/34932
	* config/avr/avr.md (*addhi3_zero_extend2): Remove.

2008-05-26  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (expr_has_constants): Declare.
	(visit_reference_op_load): Initialize VN_INFO->has_constants properly.

2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/36253
	* caller-save.c (insert_restore): Verify alignment of spill space.
	(insert_save): Likewise.
	* cfgexpand.c (LOCAL_ALIGNMENT): Removed.
	* defaults.h (LOCAL_ALIGNMENT): New. Provide default.
	(STACK_SLOT_ALIGNMENT): Likewise.
	* function.c (LOCAL_ALIGNMENT): Removed.
	(get_stack_local_alignment): New.
	(assign_stack_local): Use it.  Set alignment on stack slot.
	(assign_stack_temp_for_type): Use get_stack_local_alignment.
	* config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
	(STACK_SLOT_ALIGNMENT): New.
	* config/i386/i386.c (ix86_local_alignment): Handle caller-save
	stack slot in XFmode.

	* doc/tm.texi (STACK_SLOT_ALIGNMENT): New.

2008-05-26  Kai Tietz  <kai.tietz@onevision.com>

	PR/36321
	* config/i386/i386.md (allocate_stack_worker_64): Make sure
	argument operand in rax isn't removed.

2008-05-26  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36300
	* fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
	not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

	PR bootstrap/36331
	* c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.

2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>

	* config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
	* config/t-darwin: Use "incpath.h" instead of "c-incpath.h".

2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
	build a trampoline if we don't want one.
	* varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
	return zero for nested functions if we don't want a trampoline.

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

	* doc/invoke.texi: Added f77, f77-cpp-input to list of file types.

2008-05-26  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/18428
	* c.opt: Removed undocumented option '-lang-fortran'.
	* c-common.h: Removed global variable 'lang_fortran'.
	* c-opts.c (c_common_handle_option): Removed code to handle
	option '-lang-fortran'. Updated includes.
	* c-cppbuiltin.c (c_cpp_builtins): Removed conditional
	definition of '__GFORTRAN__'.
	(define__GNUC__): Reimplemented to use BASEVER and
	cpp_define_formatted.
	(builtin_define_with_value_n): Removed.
	* c-incpath.h: Renamed to ...
	* incpath.h: ... this.
	* c-incpath.c: Renamed to ...
	* incpath.c: ... this. Updated includes.
	* fix-header.c: Updated includes.
	* Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
	(c-cppbuiltin.o): Added dependency on and definition of BASEVER.
	(OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.

2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.h: Update the table of flags used on tree nodes.
	(TREE_NO_TRAMPOLINE): New accessor for static_flag.
	(SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
	(FORCED_LABEL): Add access check.
	(CALL_EXPR_RETURN_SLOT_OPT): Likewise.
	(ASM_INPUT_P): Likewise.
	(ASM_VOLATILE_P): Likewise.
	(EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
	(OMP_SECTION_LAST): Access private_flag directly.
	(OMP_RETURN_NOWAIT): Likewise.
	(OMP_PARALLEL_COMBINED): Likewise.
	(OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
	(OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
	* tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
	deprecated_flag directly.

2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>

	* final.c (frame_pointer_needed): Removed.
	* flags.h (frame_pointer_needed): Likewise.

	* function.h (rtl_data): Add frame_pointer_needed.
	(frame_pointer_needed): New.

2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>

	* config.gcc (sh2[lbe]*-*-linux*): Allow target.

2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>

	* gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
	SRC is a REG.

2008-05-25  Alan Modra  <amodra@bigpond.net.au>

	* c-common.c (strip_array_types): Move function to..
	* tree.c: ..here.
	(get_inner_array_type): Delete.
	* c-common.h (strip_array_types): Move declaration to..
	* tree.h: ..here.
	(get_inner_array_type): Delete.
	* config/i386/i386.c (x86_field_alignment): Use strip_array_types.
	* config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
	* config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
	* config/pa/pa.c (emit_move_sequence): Likewise.

2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (*sse_prologue_save_insn): Set length
	attribute to 34.

2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>

	* function.c: Include target hook for nonlocal_goto frame value.

2008-05-24  Richard Guenther  <rguenther@suse.de>

	* tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
	variable can be only accessed through a pointer or a union.

2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
	* doc/extend.texi: Likewise.

2008-05-23  DJ Delorie  <dj@redhat.com>

	* config/m32c/jump.md (untyped_call): Add.

	* config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
	for A24 to PSImode.
	(m32c_address_cost): Detail costs for indirect offsets.

2008-05-23  Rafael Espindola  <espindola@google.com>

	* see.c (see_get_extension_data): Don't use SUBREG_REG to test
	if a node is a SUBREG.
	(see_analyze_one_def): Don't use SUBREG_REG to test if a node
	is a SUBREG.

2008-05-23  Paul Brook  <paul@codesourcery.com>
	    Carlos O'Donell  <carlos@codesourcery.com>

	* doc/extend.texi: Clarify use of __attribute__((naked)).
	* doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
	* target.h (gcc_target): Add allocate_stack_slots_for_args.
	* function.c (use_register_for_decl): Use
	targetm.calls.allocate_stack_slots_for_args.
	* target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
	* config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
	(TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.

2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>

	* expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.

2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>

	* config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
	PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
	is only rounded once.

2008-05-23  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.

2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR target/36079
	* configure.ac: Handle --enable-cld.
	* configure: Regenerated.
	* config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
	* config/i386/i386.h (struct machine_function): Add needs_cld field.
	(ix86_current_function_needs_cld): New define.
	* config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
	(cld): New isns pattern.
	(strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
	cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
	* config/i386/i386.opt (mcld): New option.
	* config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
	TARGET_CLD and ix86_current_function_needs_cld.
	(override_options): Use -mcld by default for 32-bit code if
	USE_IX86_CLD.

	* doc/install.texi (Options specification): Document --enable-cld.
	* doc/invoke.texi (Machine Dependent Options)
	[i386 and x86-64 Options]: Add -mcld option.
	(Intel 386 and AMD x86-64 Options): Document -mcld option.

2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
	* config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
	(return_in_memory_64): Likewise.
	(return_in_memory_ms_64): Likewise.

2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
	* builtins.c (fold_builtin_fpclassify): New.
	(fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
	* builtins.def (BUILT_IN_FPCLASSIFY): New.
	* c-common.c (handle_type_generic_attribute): Adjust to accept
	fixed arguments before an elipsis.
	(check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
	* doc/extend.texi: Document __builtin_fpclassify.

2008-05-22  Aldy Hernandez  <aldyh@redhat.com>

	* omp-low.c (gate_expand_omp_ssa): Remove.
	(pass_expand_omp_ssa): Remove.
	(gate_expand_omp): Do not check for flag_openmp_ssa.
	* common.opt (-fopenmp-ssa): Remove.
	* passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.

2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.opt (mfixed-range): New option.
	* config/sh/sh-protos.h (sh_fix_range): Declare.
	* config/sh/sh.c (sh_fix_range): New function.
	* config/sh/sh.h (sh_fixed_range_str): Declare.
	(OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
	is not empty.
	* doc/invoke.texi (SH Options): Document -mfixed-range.

2008-05-22  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
	it before the redeclaration.

2008-05-22  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (get_sequence_length): Add new function.
	(expand_prologue, expand_epilogue): Remove duplicate code.

2008-05-22  Rafael Espindola  <espindola@google.com>

	* see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
	sharing.

2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>

	* defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
	* doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.

	* tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
	UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
	(vect_update_misalignment_for_peel): Likewise.
	(vector_alignment_reachable_p): Likewise.
	* tree-vect-transform.c (vectorizable_load): Likewise.
	* tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
	(get_vectype_for_scalar_type): Pass mode of scalar_type
	to UNITS_PER_SIMD_WORD.

	* config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
	* config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
	* config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
	* config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
	* config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.

2008-05-22  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/36293
	* tree-vect-transform.c (vect_transform_strided_load): Don't check
	if the first load must be skipped because of a gap.

2008-05-22  Richard Guenther  <rguenther@suse.de>

	* tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
	more cases of offset disambiguation that is possible if
	strict-aliasing rules apply.
	* tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
	for basic offset and type-based disambiguation.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_one_var): Use
	ix86_expand_vector_set on V16QImode for SSE4.1.

2008-05-21  Tom Tromey  <tromey@redhat.com>

	* c.opt (Wimport): Mark as undocumented.
	* doc/invoke.texi (Option Summary): Don't mention -Wimport or
	-Wno-import.
	(Warning Options): Likewise.
	* doc/cppopts.texi: Don't mention -Wimport.

2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/36287
	PR tree-optimization/36286
	* lambda-code.c (build_access_matrix): Do not use the loop->num
	for computing the number of induction variables: use the loop depth
	instead.

2008-05-21  Kai Tietz  <kai.tietz@onevision.com>

	PR/36280
	* config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
	option -f(no-)leading-underscore.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_general): Use
	GET_MODE_NUNITS (mode).

2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>

	* doc/invoke.texi: Add cpu_type's 464 and 464fp.
	(-mmulhw): Add 464 to description.
	(-mdlmzb): Likewise.
	* config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
	* config/rs6000/rs6000.c (processor_target_table): Add 464 and
	464fp entries.
	* config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
	* config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
	* config/rs6000/rs6000.md: Update comments for 464.

2008-05-21  Janis Johnson  <janis187@us.ibm.com>

	* doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (vec_extractv4sf): Removed.
	(vec_extractv2df): Likewise.
	(vec_extractv2di): Likewise.
	(vec_extractv4si): Likewise.
	(vec_extractv8hi): Likewise.
	(vec_extractv16qi): Likewise.
	(vec_extract<mode>): New.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (vec_setv4sf): Removed.
	(vec_setv2df): Likewise.
	(vec_setv2di): Likewise.
	(vec_setv4si): Likewise.
	(vec_setv8hi): Likewise.
	(vec_setv16qi): Likewise.
	(vec_set<mode>): New.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_general): Remove
	goto for vec_concat and vec_interleave.

2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (vec_initv4sf): Removed.
	(vec_initv2df): Likewise.
	(vec_initv2di): Likewise.
	(vec_initv4si): Likewise.
	(vec_initv8hi): Likewise.
	(vec_initv16qi): Likewise.
	(vec_init<mode>): New.

2008-05-21  Joseph Myers  <joseph@codesourcery.com>

	* collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.

2008-05-21  Tom Tromey  <tromey@redhat.com>

	* ggc-zone.c (lookup_page_table_if_allocated): New function.
	(zone_find_object_offset): Likewise.
	(gt_ggc_m_S): Likewise.
	(highest_bit): Likewise.
	* ggc-page.c (gt_ggc_m_S): New function.
	* stringpool.c (string_stack): Remove.
	(init_stringpool): Update.
	(ggc_alloc_string): Use ggc_alloc.
	(maybe_delete_ident): New function.
	(ggc_purge_stringpool): Likewise.
	(gt_ggc_m_S): Remove.
	* ggc-common.c (ggc_protect_identifiers): New global.
	(ggc_mark_roots): Call ggc_purge_stringpool.  Use
	ggc_protect_identifiers.
	* ggc.h (ggc_protect_identifiers): Declare.
	(gt_ggc_m_S): Update.
	(ggc_purge_stringpool): Declare.
	* toplev.c (compile_file): Set and reset ggc_protect_identifiers.
	* gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
	special case.
	(write_root): Cast gt_ggc_m_S to gt_pointer_walker.

2008-05-21  David S. Miller  <davem@davemloft.net>

	* config.gcc (sparc-*-linux*): Always include sparc/t-linux in
	tmake_file.

2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>

	* cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
	once finished.

2008-05-20  David Daney  <ddaney@avtrex.com>

	* config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
	UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
	(UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
	UNSPEC_UPDATE_GOT_VERSION): Renumber.
	(optab, insn): Add 'plus' and 'minus' to define_code_attr.
	(atomic_hiqi_op): New define_code_iterator.
	(sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
	mips_expand_compare_and_swap_12.
	(compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
	MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
	(sync_<optab><mode>, sync_old_<optab><mode>,
	sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
	sync_new_nand<mode>): New define_expands for HI and QI mode operands.
	(sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
	sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
	(sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
	(test_and_set_12): New insn.
	(sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
	sync_new_<optab><mode>, sync_old_nand<mode>,
	sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
	clobber to operand 0 for SI and DI mode insns.
	* config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
	mips_gen_fn_4): New typedefs.
	(mips_gen_fn_ptrs): Define new union type.
	(mips_expand_compare_and_swap_12): Remove declaration.
	(mips_expand_atomic_qihi): Declare function.
	* config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
	(mips_expand_atomic_qihi): ... this.  Use new generator function
	parameter.
	* config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
	(MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
	(MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
	MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
	MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
	MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
	MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
	MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
	MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
	MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
	New macros.

2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
	the missing break.

2008-05-20  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (machine_function): Add 'is_OS_main' field.
	* config/avr/avr.c (avr_OS_main_function_p): Add new function.
	(avr_attribute_table): Add 'OS_main' function attribute.
	(avr_regs_to_save, expand_prologue, expand_epilogue): Handle
	functions with 'OS_main' attribute.

2008-05-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35204
	* tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
	helper, split out from ...
	(DFS): ... here.  Make the DFS walk non-recursive.

2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
	    Jan Sjodin  <jan.sjodin@amd.com>

	PR tree-optimization/36181
	* tree-parloops.c (loop_has_vector_phi_nodes): New.
	(parallelize_loops): Don't parallelize when the loop has vector
	phi nodes.

2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
	    Sebastian Pop  <sebastian.pop@amd.com>

	* tree-loop-linear.c (gather_interchange_stats): Look in the access
	matrix, and never look at the tree representation of the memory
	accesses.
	(linear_transform_loops): Computes parameters and access matrices.
	* tree-data-ref.c (compute_data_dependences_for_loop): Returns false
	when fails.
	(access_matrix_get_index_for_parameter): New.
	* tree-data-ref.h (struct access_matrix): New.
	(AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
	AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
	AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
	am_vector_index_for_loop): New.
	(struct data_reference): Add field access_matrix.
	(DR_ACCESS_MATRIX): New.
	(compute_data_dependences_for_loop): Update declaration.
	(lambda_collect_parameters, lambda_compute_access_matrices): Declared.
	* lambda.h (lambda_vector_vec_p): Declared.
	* lambda-code.c: Depend on pointer-set.h.
	(lambda_collect_parameters_from_af, lambda_collect_parameters,
	av_for_af_base, av_for_af, build_access_matrix,
	lambda_compute_access_matrices): New.
	* Makefile.in (lambda-code.o): Depend on pointer-set.h.

2008-05-20  Joseph Myers  <joseph@codesourcery.com>

	* doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
	$SOURCEDIR/include.

2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
	    Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/36206
	* tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
	FOLD_CONVERSIONS.
	(instantiate_scev_1): Rename flags to fold_conversions.
	Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
	outeside instantiation_loop.
	* tree-chrec.h (evolution_function_is_affine_in_loop): New.
	(evolution_function_is_affine_or_constant_p): Removed.
	* tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
	instantiate_scev.
	(analyze_siv_subscript): Pass in the loop nest number.
	Call evolution_function_is_affine_in_loop instead of 
	evolution_function_is_affine_p.
	(analyze_overlapping_iterations): Pass in the loop nest number.

2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
	    Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/36206
	* tree-chrec.h (chrec_fold_op): New.
	* tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
	and other trees.

2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>

	* c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
	(DIRS_EQ): New.
	(remove_duplicates): Do not set inode on non-inode systems.
	Use DIRS_EQ.

2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>

	* config.gcc (tm_file): Update comments about relative pathnames.

2008-05-20  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
	* tree-ssa-sccvn.c (process_scc): Likewise.
	* tree-ssa-sink.c (execute_sink_code): Likewise.
	* tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
	* tree-vrp.c (process_assert_insertions): Likewise.
	* tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
	(perform_tree_ssa_dce): Likewise.
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
	(dump_dominator_optimization_stats): Likewise.
	* tree-vectorizer.c (vectorize_loops): Likewise.

2008-05-20  Richard Guenther  <rguenther@suse.de>

	* tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.

2008-05-20  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386-protos.h (ix86_return_in_memory): Removed.
	(ix86_i386elf_return_in_memory): Likewise.
	(ix86_i386interix_return_in_memory): Likewise.
	* config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
	(SUBTARGET_RETURN_IN_MEMORY): New.
	* config/i386/i386elf.h: Likewise.
	* config/i386/ptx4-i.h: Likewise.
	* config/i386/sol2-10.h: Likewise.
	* config/i386/sysv4.h: Likewise.
	* config/i386/vx-common.h: Likewise.
	* config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
	* config/i386/i386.c (ix86_return_in_memory): Made static and
	make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
	(ix86_i386elf_return_in_memory): Removed.
	(ix86_i386interix_return_in_memory): Removed.
	(TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
	* target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.

2008-05-20  Alexandre Oliva  <aoliva@redhat.com>

	* cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.

2008-05-19  Xinliang David Li  <davidxl@google.com>

	* tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
	* opts.c: Ditto.
	* common.opt: Ditto.
	* doc/invoke.texi: Ditto.

2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
	(substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.

2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_concat): Change
	sizes of operand array from 8/4 to 4/2.
	(ix86_expand_vector_init_general): Change size of operand array
	from 32 to 16.  Remove op0, op1 and half_mode.

2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_concat): New.
	(ix86_expand_vector_init_interleave): Likewise.
	(ix86_expand_vector_init_general): Use them.  Assert
	word_mode == SImode when n_words == 4.

2008-05-19  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_secondary_reload): New static function.
	(TARGET_SECONDARY_RELOAD): New define.
	* config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
	* config/i386/i386.md (reload_outqi): Remove.

2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	PR middle-end/35509
	* builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
	Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
	(mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
	(fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
	(fold_builtin_1): Likewise.
	* builtins.def (BUILT_IN_ISINF_SIGN): New.
	c-common.c (check_builtin_function_arguments): Handle
	BUILT_IN_ISINF_SIGN.
	* doc/extend.texi: Document __builtin_isinf_sign.
	* fold-const.c (operand_equal_p): Handle COND_EXPR.

2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
	EH cleanup at the end of the pass, search for those that have been
	turned into forwarder blocks and do the cleanup on their successor.

2008-05-18  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (verify_gimple_expr): Allow conversions from
	pointers to sizetype and vice versa.

2008-05-18 Xinliang David Li   <davidxl@google.com>

	* gcc/tree-ssa-dce.c: Coding style fix.
	(check_pow): Documentation comment. 
	(check_log): Documenation comment. Coding style fix.
	(is_unnecessary_except_errno_call): Ditto.
	(gen_conditions_for_pow): Ditto.
	(gen_conditions_for_log): Ditto.
	(gen_shrink_wrap_conditions): Ditto.
	(shrink_wrap_one_built_in_calls): Ditto.
	* gcc/doc/invoke.texi: Better documentation string.
	* ChangeLog: Fix wrong change log entries from 
	May 17 checkin on function call DCE.

2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.

2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>

	* doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
	* df-problems.c (simulation routines): Fixed block comment to
	properly say how to add forwards scanning functions.
	
2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-inline.c (setup_one_parameter): Remove dead code.

2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
	a BIT_AND_EXPR only for an INTEGER_TYPE.

2008-05-17 Xinliang David Li   <davidxl@google.com>

	* gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
	(check_pow, check_log, is_unnecessary_except_errno_call): New 
	functions to check for eliminating math functions that are pure 
	except for setting errno.
	(gen_conditions_for_pow, gen_conditionas_for_log): New functions to
	general condition expressions for shrink-wrapping pow/log calls.
	(gen_shrink_wrap_conditions): Ditto.
	(shrink_wrap_one_built_in_call): Ditto.
	(shrink_wrap_conditional_dead_built_in_calls): Ditto.
	(mark_operand_necessary): If debugging, output if OP is necessary.
	(eliminate_unnecessary_stmts): Eliminate pow, log calls that are
	unnecessary.
	* gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
	opt level >= 2.
	* gcc/common.opt: New user flag -ftree-builtin-dce.
	* gcc/doc/invoke.texi (-ftree-builtin-dce): New option.

2008-05-16  David S. Miller  <davem@davemloft.net>

	* config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
	* config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.

2008-05-16  Uros Bizjak  <ubizjak@gmail.com>

	PR target/36246
	* config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

	* ifcvt.c (dead_or_predicable): Rename
	df_simulate_one_insn_backwards to df_simulate_one_insn.
	* recog.c (peephole2_optimize): Ditto.
	* rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
	Ditto.
	* df.h: Rename df_simulate_one_insn_backwards to
	df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
	* df-problems.c (df_simulate_artificial_refs_at_top) Reversed
	scanning of defs and uses.
	(df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
	(df_simulate_one_insn_forwards): Removed.

2008-05-16  Doug Kwan  <dougkwan@google.com>

	* real.c (real_to_decimal, real_to_hexadecimal): Distinguish
	QNaN & SNaN.
	(real_from_string): Handle NaNs and Inf as approriate.

2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>

	* doc/gty.texi (Source Files Containing Type Information): Note
	that headers should appear first in the gtfiles list.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

	* tree.def (COND_EXEC): Properly documented this code.

2008-05-16  Diego Novillo  <dnovillo@google.com>

	* dwarf2asm.c (dw2_assemble_integer): Clarify comment.
	* tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
	the new field.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

	* tree-ssa-dse (max_stmt_uid): Removed.
	(get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
	tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
	* tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
	* function.h (cfun.last_stmt_uid): New field.
	* tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
	gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
	New functions.
	* tree-dfa.c (renumber_gimple_stmt_uids): New function.
	(create_stmt_ann): Initialize the ann->uid field.
	* tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
	with new calls.
	* tree-flow.h (renumber_gimple_stmt_uids): New function.

2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>

	* tree-flow.h (init_empty_tree_cfg_for_function): Declare.
	* tree-cfg.c (init_empty_tree_cfg_for_function): Define.
	(init_empty_tree_cfg): Call it.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

	* cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
	Update all users.

2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>

	* doc/invoke.text (-fdump-tree-*-verbose): New option.
	* tree-dump.c (dump_options): New verbose option.
	* tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
	Add verbose dump.
	* tree-pass.h (TDF_VERBOSE): New dump flag.
	* print-tree.c (print_node): Added code to be able to print PHI_NODES.
	(tree-flow.h): Added include.
	* Makefile.in (print-tree.o):  Added TREE_FLOW_H.

2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.

	From Jie Zhang  <jie.zhang@analog.com>
	* config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
	MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
	mcpu=bf561-none and mcpu=bf561-0.2.
	* config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
	MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
	* config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
	MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
	* config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
	* config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
	(LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
	option.
	* config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
	(cputype_selected): Remove.
	(bfin_handle_option): Don't use cputype_selected.
	(override_options): When no mcpu option, enable all workarounds.
	Don't use bfin_workarounds.
	* config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
	processor type.
	(DEFAULT_CPU_TYPE): Don't define.

2008-05-16  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
	on deletion of the last stmt.

2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_general): Optimize
	V8HImode for SSE2 and V16QImode for SSE4.1.

2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>

	* cgraph.h (compute_inline_parameters): Made public.
	* tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
	variable_generate_summary, function_write_summary,
	variable_write_summary, variable_read_summary.  Added generate_summary,
	write_summary, read_summary.
	* cgraphunit.c (cgraph_process_new_functions): Changed call from
	pass_ipa_inline.function_generate_summary, to
	compute_inline_parameters. 
	* ipa-inline.c (compute_inline_parameters): Made public and added
	node parameter.
	(compute_inline_parameters_for_current): New function.
	(pass_inline_param): Now calls compute_inline_parameters_for_current.
	(inline_generate_summary): Removed parameter and made to loop over
	all cgraph nodes.
	(pass_ipa_inline): Updated for new IPA_PASS structure.
	* passes.c (execute_ipa_summary_passes): Now is called once per
	pass rather than once per node*pass.
	
2008-05-15  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
	avr_have_mul_p, avr_asm_only_p): Remove variables.
	(avr_override_options): Remove initialization of removed variables.
	(avr_file_start):  Convert removed variables to fields of 
	'struct base_arch_s *avr_current_arch'. 
	* config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
	(AVR_HAVE_MUL): (Ditto.).
	(AVR_HAVE_MOVW): (Ditto.).
	(AVR_HAVE_LPMX): (Ditto.). 
	(avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
	avr_asm_only_p): Remove declaration.

2008-05-15  Diego Novillo  <dnovillo@google.com>

	* config/arm/arm.c (arm_return_in_memory): Fix return type.
	* config/arm/arm-protos.h (arm_return_in_memory): Likewise.

2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>

	PR middle-end/36194
	* combine.c (check_conversion): Rename back to check_promoted_subreg.
	Don't call record_truncated_value from here.
	(record_truncated_value): Turn it into a for_each_rtx callback.
	(record_truncated_values): New function.
	(combine_instructions): Call note_uses with record_truncated_values.
	Change name of check_conversion to check_promoted_subreg. 

2008-05-15  Janis Johnson  <janis187@us.ibm.com>

	* doc/sourcebuild.texi: Document support for torture tests.

2008-05-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
	to alternative 4 of operand 2.

2008-05-15  Richard Guenther  <rguenther@suse.de>

	* tree-pass.h (current_pass): Declare.
	(get_pass_for_id): Likewise.
	* passes.c (passes_by_id, passes_by_id_size): New globals.
	(set_pass_for_id): New function.
	(get_pass_for_id): Likewise.
	(register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
	(execute_function_todo): Flush per function statistics.
	* toplev.c (compile_file): Init statistics.
	(general_init): Do early statistics initialization.
	(finalize): Finish statistics.
	* statistics.h (statistics_early_init): Declare.
	(statistics_init): Likewise.
	(statistics_fini): Likewise.
	(statistics_fini_pass): Likewise.
	(statistics_counter_event): Likewise.
	(statistics_histogram_event): Likewise.
	* statistics.c: New file.
	* Makefile.in (OBJS-common): Add statistics.o.
	(statistics.o): Add dependencies.
	* doc/invoke.texi (-fdump-statistics): Document.

	* tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
	(insert): Likewise.
	(execute_pre): Use statistics_counter_event.
	* tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
	(substitute_and_fold): Increment it.  Use statistics_counter_event.

2008-05-15  Diego Novillo  <dnovillo@google.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html

	* treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
	* tree-ssa-alias.c (new_type_alias): Remove references to
	sub-variables from comment.
	* tree-ssa-operands.c (swap_tree_operands): Likewise.

2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
	attribute to 1 only for insertps alternative.

2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.md (loadbytes): New pattern.
	* config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
	(bfin_init_builtins): Initialize it.
	(bdesc_1arg): Add it.

2008-05-15  Sa Liu  <saliu@de.ibm.com>

	* testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
	* testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
	* testsuite/lib/target-supports.exp: Add
	check_effective_target_fortran_integer_16.

2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
	* config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
	* config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
	(TARGET_RETURN_IN_MEMORY): Define.

2008-05-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36244
	* tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
	* tree-flow-inline.h (unmodifiable_var_p): Memory tags never
	represent unmodifiable vars.

2008-05-15  Richard Guenther  <rguenther@suse.de>

	* tree-dfa.c (refs_may_alias_p): Allow all kinds of
	INDIRECT_REF and TARGET_MEM_REF.
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
	TARGET_MEM_REF.

2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
	(*vec_concatv2si_sse4_1): Use vector_move_operand predicate
	for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
	insn alternatives.  Add missing alternatives.
	(*vec_concatv2di_rex64_sse4_1): Likewise.
	(*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
	(*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
	Require TARGET_SSE.

2008-05-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36009
	PR tree-optimization/36204
	* tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
	(determine_invariantness_stmt): Record the loop a store is
	always executed in.
	* Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
	dependency.

2008-05-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34330
	* tree-ssa-alias.c (get_smt_for): Only assert that accesses
	through the pointer will alias the SMT.

2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>

	* config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.

2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>
	    Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

	* optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
	OTI_vrotl, OTI_vrotr to support vector/vector shifts.
	(vashl_optab): New optab for vector/vector shifts.
	(vashr_optab): Ditto.
	(vlshr_optab): Ditto.
	(vrotl_optab): Ditto.
	(vrotr_optab): Ditto.
	(optab_subtype): New enum for optab_for_tree_code call.
	(optab_for_tree_code): Add enum optab_subtype argument.

	* optabs.c (optab_for_tree_code): Take an additional argument to
	distinguish between a vector shift by a scalar and vector shift by
	a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
	shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
	vector shift by a vector.
	(expand_widen_pattern_expr): Pass additional argument to
	optab_for_tree_code.

	* genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
	vrotl_optab, vrotr_optab.

	* expr.c (expand_expr_real_1): Update calls to
	optab_for_tree_code to distinguish between vector shifted by a
	scalar and vector shifted by a vector.
	* tree-vectorizer.c (supportable_widening_operation): Ditto.
	(supportable_narrowing_operation): Ditto.
	* tree-vect-analyze.c (vect_build_slp_tree): Ditto.
	* tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
	* tree-vect-transform.c (vect_model_reduction_cost): Ditto.
	(vect_create_epilog_for_reduction): Ditto.
	(vectorizable_reduction): Ditto.
	(vectorizable_operation): Ditto.
	(vect_strided_store_supported): Ditto.
	(vect_strided_load_supported): Ditto.
	* tree-vect-generic.c (expand_vector_operations_1): Ditto.
	* expmed.c (expand_shift): Ditto.

	* doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
	scalar type.
	(ashr@var{m}3): Ditto.
	(vashl@var{m}3): Document new vector/vector shift standard name.
	(vashr@var{m}3): Ditto.
	(vlshr@var{m}3): Ditto.
	(vrotl@var{m}3): Ditto.
	(vrotr@var{m}3): Ditto.

	* config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
	(PPERM_INVERT): Ditto.
	(PPERM_REVERSE): Ditto.
	(PPERM_REV_INV): Ditto.
	(PPERM_ZERO): Ditto.
	(PPERM_ONES): Ditto.
	(PPERM_SIGN): Ditto.
	(PPERM_INV_SIGN): Ditto.
	(PPERM_SRC1): Ditto.
	(PPERM_SRC2): Ditto.

	* config/i386/sse.md (mulv2di3): Add SSE5 support.
	(sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
	allows a memory operand to be the value being added, and split it
	to improve vectorization.
	(sse5_pmacsdqh_mem): Ditto.
	(sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
	(sse5_mulv2div2di3_high): Ditto.
	(vec_pack_trunc_v8hi): Add SSE5 pperm support.
	(vec_pack_trunc_v4si): Ditto.
	(vec_pack_trunc_v2di): Ditto.
	(sse5_pcmov_<mode>): Remove code that tried to use use
	andps/andnps instead of pcmov.
	(vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
	pmacsdqh instructions.
	(vec_widen_smult_lo_v4si): Ditto.

	* config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
	(PPERM_INVERT): Ditto.
	(PPERM_REVERSE): Ditto.
	(PPERM_REV_INV): Ditto.
	(PPERM_ZERO): Ditto.
	(PPERM_ONES): Ditto.
	(PPERM_SIGN): Ditto.
	(PPERM_INV_SIGN): Ditto.
	(PPERM_SRC1): Ditto.
	(PPERM_SRC2): Ditto.
	(ix86_expand_sse_movcc): Move the SSE5 test after the if
	true/false tests.
	(ix86_expand_int_vcond): If SSE5 generate all possible integer
	comparisons.
	(ix86_sse5_valid_op_p): Allow num_memory to be negative, which
	says ignore whether the last reference is a memory operand.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>
	    Paolo Bonzini <bonzini at gnu dot org>

	* config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
	shift patterns.

	* config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
	(vlshr<mode>3): Rename from vlshr<mode>3.
	(vashr<mode>3): Rename from vashr<mode>3.
	(mulv4sf3): Change the names of vector shift patterns.
	(mulv4si3): Ditto.
	(negv4sf2): Ditt.

	* config/spu/spu.c (spu_initialize_trampoline): Rename vector
	shift insns.

	* config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
	(SI_SHLHI): Ditto.
	(SI_SHL): Ditto.
	(SI_SHLI): Ditto.
	(SI_ROTH): Ditto.
	(SI_ROTHI): Ditto.
	(SI_ROT): Ditto.
	(SI_ROTI): Ditto.
	(SPU_RL_0): Ditto.
	(SPU_RL_1): Ditto.
	(SPU_RL_2): Ditto.
	(SPU_RL_3): Ditto.
	(SPU_RL_4): Ditto.
	(SPU_RL_5): Ditto.
	(SPU_RL_6): Ditto.
	(SPU_RL_7): Ditto.
	(SPU_SL_0): Ditto.
	(SPU_SL_1): Ditto.
	(SPU_SL_2): Ditto.
	(SPU_SL_3): Ditto.
	(SPU_SL_4): Ditto.
	(SPU_SL_5): Ditto.
	(SPU_SL_6): Ditto.
	(SPU_SL_7): Ditto.

	* config/spu/spu.md (v): New iterator macro to add v for vector types.
	(floatunssidf2_internal): Change vector/vector shift names.
	(floatunsdidf2_internal): Ditto.
	(mulv8hi3): Ditto.
	(ashrdi3): Ditto.
	(ashrti3): Ditto.
	(cgt_df): Ditto.
	(cgt_v2df): Ditto.
	(dftsv): Ditto.
	(vashl<mode>3): Rename from ashl<mode>3.
	(vashr<mode>3): Rename from ashr<mode>3.
	(vlshr<mode>3): Rename from lshr<mode>3.
	(vrotl<mode>3): Rename from rotl<mode>3.

2008-05-14  Michael Meissner  <michael.meissner@amd.com>

	PR target/36224
	* config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
	multiply gives the wrong value when doing widening multiplies.
	(vec_widen_smult_lo_v4si): Ditto.

2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>

	* optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
	LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
	emit_library_call_value. 
	* builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
	* tree.h (ECF_LIBCALL_BLOCK): Removed.
	* calls.c (initialize_argument_information, precompute_arguments, 
	expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
	(precompute_arguments): Removed flags parameter.
	* rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
	
2008-05-14  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
	Make sure to register the store if the use is a PHI_NODE.

2008-05-14  Olivier Hainque  <hainque@adacore.com>

	* expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
	memory if the component is to be referenced in BLKmode according
	to get_inner_reference.

2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>

	* calls.c (emit_library_call_value_1): Restore code clearing
	ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.

2008-05-14  Olivier Hainque  <hainque@adacore.com>
	    Nicolas Roche  <roche@adacore.com>

	* configure.ac: Add support for a "gcc_subdir" variable in
	config-lang.in, to denote a subdirectory where the language/GCC
	integration files are to be found.
	* configure: Regenerate.

2008-05-14  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/36098
	* tree-vect-analyze.c (vect_analyze_group_access): Set the gap
	value for the first load in the group in case of a gap.
	(vect_build_slp_tree): Check that there are no gaps in loads.

2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>

	* doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
	* optabs.c (expand_binop, expand_absneg_bit, expand_unop,
	expand_copysign_bit, ): Change call to emit_no_conflict_block to
	emit_insn and remove unneeded code to construct extra args.
	(emit_no_conflict_block): Removed.
	* optabls.h: (emit_no_conflict_block): Removed.
	* cse.c (cse_extended_basic_block): Remove search for
	REG_NO_CONFLICT note.
	* global.c: Removed incorrect comment added in revision 117.
	* expr.c (convert_move): Change call to emit_no_conflict_block to
	emit_insn.
	* recog.c: Change comments so that they do not mention
	REG_NO_CONFLICT.
	* local_alloc.c (combine_regs): Removed last parameter.
	(no_conflict_p): Removed.
	(block_alloc): Removed note, no_conflict_combined_regno and set
	local vars. Removed all code to process REG_NO_CONFLICT blocks.
	(combine_regs): Removed already_dead and code to look for
	REG_NO_CONFLICT notes.
	* lower_subreg (remove_retval_note): Removed code to look for
	REG_NO_CONFLICT block.
	(resolve_reg_notes): Removed REG_NO_CONFLICT case.
	(resolve_clobber): Remove code to process libcalls that have
	REG_NO_CONFLICT notes.
	* loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
	case.
	* combine.c (can_combine_p, distribute_notes):  Removed
	REG_NO_CONFLICT case.
	* config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
	to emit_insns.
	* config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
	* config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
	Ditto.
	* reg-notes.def (NO_CONFLICT): Removed.

2008-05-14  David S. Miller  <davem@davemloft.net>

	* config/sparc/sparc.c (sparc_profile_hook): If
	NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
	* config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
	* config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.

2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>

	* cse.c (cse_cc_succs): Invoke delete_insn_and_edges.

2008-05-13  Uros Bizjak  <ubizjak@gmail.com>

	PR target/36222
	* config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
	and op1 expansion before vector concat to have less live pseudos.

2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
	ix86_expand_vector_set if supported.

2008-05-13  Diego Novillo  <dnovillo@google.com>
	    Kenneth Zadeck  <zadeck@naturalbridge.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html

	* tree.h (init_phinodes, fini_phinodes, release_phi_node,
	phinodes_print_statistics, init_ssanames, fini_ssanames,
	make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
	release_ssa_name, release_defs, replace_ssa_name_symbol,
	ssanames_print_statistics): Move ...
	* tree-flow.h: ... here.
	* tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
	Use FN instead of cfun.
	(make_ssa_name_fn): Rename from make_ssa_name.
	(pass_release_ssa_names): Add TODO_dump_func to finish flags.
	* tree-flow-inline.h (make_ssa_name): Move from
	tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
	* omp-low.c (expand_omp_parallel):
	* tree-flow-inline.h (redirect_edge_var_map_result):
	* tree-ssa.c (init_tree_ssa): Add argument FN.
	Use it instead of cfun.  Update all users.

2008-05-13  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/22168:
	* doc/cpp.texi (Top): Update menu.
	(Alternatives to Wrapper #ifndef): New node.
	(Other Directives): Document deprecation.
	(Obsolete Features): Remove menu.
	(Assertions): Merge node into Obsolete Features.
	(Obsolete once-only headers): Move earlier; rename to Alternatives
	to Wrapper #ifndef.
	* doc/cppopts.texi: Update.
	* c.opt (Wdeprecated): Enable for C and ObjC.
	* doc/invoke.texi (Option Summary): Move -Wno-deprecated.
	(C++ Dialect Options): Move -Wno-deprecated from here to...
	(Warning Options): ... here.

2008-05-13  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36227
	* fold-const.c (fold_sign_changed_comparison): Do not allow
	changes in pointer-ness.

2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/24713
	* config/sh/sh.c (sh_expand_prologue): Don't clear
	RTX_FRAME_RELATED_P for push insns.

2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>

	* config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.

2008-05-12  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (machine_function): Add 'is_leaf' field.
	* config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
	Use 'machine->is_leaf' instead of 'leaf_func_p'.

2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (*sse_concatv4sf): Renamed to ...
	(*vec_concatv4sf_sse): This.
	(*sse2_concatv2si): Renamed to ...
	(*vec_concatv2si_sse2): This.
	(*sse1_concatv2si): Renamed to ...
	(*vec_concatv2si_sse): This.
	(*vec_concatv2di_rex): Renamed to ...
	(*vec_concatv2di_rex64): This.
	(*vec_concatv2si_sse4_1): New.
	(*vec_concatv2di_rex64_sse4_1): Likewise.

2008-05-12  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/36111
	* recog.c (validate_replace_rtx_1): Unshare new RTL expression
	that was created for swappable operands.

2008-05-12  Samuel Tardieu  <sam@rfc1149.net>

	PR ada/36001
	* Makefile.in: Substitute GNATMAKE and GNATBIND.
	* configure.ac: Add call to ACX_PROG_GNAT.

2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>

	* optc-gen.awk: Fix comment typo.

2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>

	* pretty-print.c (pp_integer_with_precision): Use
	HOST_LONG_LONG_FORMAT.

2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
		
2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (bdesc_ptest): Removed.
	(ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
	(bdesc_args): Add __builtin_ia32_ptestz128,
	__builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
	(ix86_expand_builtin): Updated.

2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>

	* tree-cfg.c (valid_fixed_convert_types_p): New function.
	(verify_gimple_expr): Handle FIXED_CONVERT_EXPR.

2008-05-10  Uros Bizjak  <ubizjak@gmail.com>

	* value-prof.c (interesting_stringop_to_profile): Do not
	return early for BUILT_IN_MEMPCPY.

2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>

	* calls.c (expand_call): Don't use callgraph to increase
	preferred_stack_boundary.

	* cgraph.h (cgraph_rtl_info): Use unsigned on
	preferred_incoming_stack_boundary.

	* final.c (rest_of_clean_state): Use unsigned on
	preferred_stack_boundary.

2008-05-09  Tom Tromey  <tromey@redhat.com>

	PR preprocessor/22231:
	* c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
	proceeding.

2008-05-09  Uros Bizjak  <ubizjak@gmail.com>

	PR tree-optimization/36129
	* tree-ssa-ccp.c: Include value-prof.h.
	(execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
	built-in function was folded to a constant.
	* Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h

2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
	    Sebastian Pop  <sebastian.pop@amd.com>

	* tree-scalar-evolution.c: Document instantiate_scev.
	(instantiate_parameters_1): Renamed instantiate_scev_1.
	Don't use the same loop for instantiation_loop and evolution_loop.
	(instantiate_scev): New.
	(instantiate_parameters): Moved...
	(resolve_mixers): Update call to instantiate_scev_1 to pass the
	same loop twice.  Maintains the semantics for this function.
	* tree-scalar-evolution.h (instantiate_scev): Declare.
	(instantiate_parameters): ...here.  Now static inline.
	* tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
	instead of resolve_mixers.

2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* rtl-factoring.c (collect_pattern_seqs): Fix typo.

2008-05-09  Tomas Bily  <tbily@suse.cz>

	* config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
	* tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
	* tree-ssa-structalias.c (get_constraint_for): Likewise.
	* c-common.c (c_common_truthvalue_conversion): Likewise.
	* tree-object-size.c (compute_object_offset): Likewise.
	* tree-inline.c (estimate_num_insns_1): Likewise.
	* varasm.c (const_hash_1, compare_constant, copy_constant)
	(compute_reloc_for_constant, output_addressed_constants)
	(initializer_constant_valid_p): Likewise.
	* c-omp.c (check_omp_for_incr_expr): Likewise.
	* gimplify.c (gimplify_expr): Likewise.
	* c-typeck.c (c_finish_return): Likewise.
	* tree-vectorizer.c (supportable_widening_operation)
	(supportable_narrowing_operation): Likewise.
	* c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
	* matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
	* expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
	* dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
	(descr_info_loc): Likewise.
	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
	* fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
	(fold_unary): Likewise.
	* builtins.c (get_pointer_alignment): Likewise.
	* tree-scalar-evolution.c (interpret_rhs_modify_stmt)
	(instantiate_parameters_1): Likewise.
	* tree.c (expr_align, stabilize_reference): Likewise.
	* tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
	* tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
	* convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
	* tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
	* config/alpha/alpha.c (va_list_skip_additions): Likewise.
	* c-common.c (c_alignof_expr, check_function_arguments_recurse):
	Likewise.
	* tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
	* varasm.c (initializer_constant_valid_p, output_constant): Likewise.
	* tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
	(forward_propagate_addr_expr_1, forward_propagate_addr_expr)
	(forward_propagate_comparison)
	(tree_ssa_forward_propagate_single_use_vars): Likewise.
	* cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
	* emit-rtl.c (component_ref_for_mem_expr)
	(set_mem_attributes_minus_bitpos): Likewise.
	* tree-ssa-phiopt.c (conditional_replacement): Likewise.
	* gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
	Likewise.
	* c-typeck.c (default_function_array_conversion, build_indirect_ref)
	(build_function_call, pointer_diff, build_compound_expr)
	(c_finish_return): Likewise.
	* tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
	* matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
	Likewise.
	* tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
	* expr.c (is_aligning_offset): Likewise.
	* tree-ssa-alias.c (is_escape_site): Likewise.
	* tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
	(check_all_va_list_escapes): Likewise.
	* tree-ssa-loop-ivopts.c (determine_base_object)
	(determine_common_wider_type): Likewise.
	* dojump.c (do_jump): Likewise.
	* tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
	* tree-gimple.c (is_gimple_cast): Likewise.
	* fold-const.c (decode_field_reference, )
	(fold_sign_changed_comparison, fold_unary, fold_comparison)
	(fold_binary): Likewise.
	* tree-ssa-alias-warnings.c (find_alias_site_helper)
	(already_warned_in_frontend_p): Likewise.
	* builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
	* tree.c (really_constant_p, get_unwidened): Likewise.
	* tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
	* tree-ssa-loop-im.c (rewrite_bittest): Likewise.
	* tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
	Likewise.
	* tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
	CONVERT_EXPR_P.
	(CONVERT_EXPR_P): Define.
	(CASE_CONVERT): Define.
	
2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR middle-end/36117
	* dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
	(delete_unmarked_insns): When deleting a call, call
	delete_unreachable_blocks.
	* rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
	RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.

2008-05-08  Richard Guenther  <rguenther@suse.de>

	* doc/invoke.texi (-fdump-tree-salias): Remove documentation.
	(-ftree-salias): Likewise.
	(salias-max-implicit-fields): Remove param documentation.
	(salias-max-array-elements): Likewise.
	* tree-pass.h (pass_create_structure_vars): Remove.
	* params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
	(SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
	* tree-ssa-alias.c (create_structure_vars): Remove.
	(gate_structure_vars): Likewise.
	(pass_create_structure_vars): Likewise.
	(gate_build_alias): Likewise.
	(pass_build_alias): Adjust to run always and dump the function.
	* common.opt (ftree-salias): Hide.
	* passes.c (init_optimization_passes): Remove
	pass_create_structure_vars, adjust comment.
	* params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
	(PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
	* opts.c (decode_options): Do not set flag_tree_salias.
	(common_handle_option): Add OPT_ftree_salias to the backward
	compatibility section.

2008-05-08  Richard Guenther  <rguenther@suse.de>

	* tree-flow-inline.h (var_can_have_subvars): Move ...
	* tree-ssa-structalias.c (var_can_have_subvars): ... here.
	* tree-flow.h (var_can_have_subvars): Remove.
	(push_fields_onto_fieldstack): Remove.
	(sort_fieldstack): Likewise.
	(struct fieldoff): Move ...
	* tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
	alias_set and base_for_components fields.
	(sort_fieldstack): Make static.
	(push_fields_onto_fieldstack): Likewise.  Remove code that
	handles anything but RECORD_TYPEs.  Remove alias_set and
	base_for_components handling.
	(create_variable_info_for): Adjust.

2008-05-08  Seongbae Park  <seongbae.park@gmail.com>

	* common.opt (Wframe-larger-than=): Shorten the help message
	to one line.
	* doc/invoke.texi (Wframe-larger-than=): Add more description.

2008-05-08  Rafael Espindola  <espindola@google.com>

	* tree-complex.c (expand_complex_div_wide): Don't create CONDs that
	trap.
	* tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
	trap and that both operands are gimple values.
	(canonicalize_cond_expr_cond): Use is_gimple_condexpr.
	* gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
	is a fp operation.

2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>

	* read-rtl.c (join_c_conditions): Return the first string if the
	two strings are equal.

2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>

	* gensupport.h (pred_data): Add a "num_codes" field.
	(add_predicate_code): Declare.
	* gensupport.c (add_predicate_code): New function.
	(std_pred_table): Add an "allows_const_p" field.
	(std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
	Remove the (incomplete) list of such codes from the codes field.
	(init_predicate_table): Use add_predicate_code.  Add all
	RTX_CONST_OBJs if allows_const_p is true.
	* genrecog.c (process_define_predicate): Use add_predicate_code.

2008-05-08  David Daney  <ddaney@avtrex.com>
	    Richard Sandiford  <rsandifo@nildram.co.uk>
	
	* config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
	special case of constant zero operands.
	* config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
	old and	new values.  Special case constant zero values.
	* config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
	fails.
	(MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
	(MIPS_COMPARE_AND_SWAP_12_0): New macro.

2008-05-08  Paolo Bonzini  <bonzini@gnu.org>

	PR target/36090
	* simplify-rtx.c (simplify_plus_minus): Create CONST of
	similar RTX_CONST_OBJ before CONST_INT.

2008-05-08  Steve Ellcey  <sje@cup.hp.com>

	* stmt.c (expand_stack_restore): Change sa mode if needed.

2008-05-08  Richard Guenther  <rguenther@suse.de>

	* config/i386/i386-protos.h (ix86_return_in_memory): Adjust
	return type to bool.
	(ix86_sol10_return_in_memory): Likewise.
	(ix86_i386elf_return_in_memory): Likewise.
	(ix86_i386interix_return_in_memory): Likewise.
	* config/i386/i386.c (ix86_return_in_memory): Likewise.
	(ix86_sol10_return_in_memory): Likewise.
	(ix86_i386elf_return_in_memory): Likewise.
	(ix86_i386interix_return_in_memory): Likewise.

2008-05-08  Kai Tietz  <kai.tietz@onevision.com>

	PR bootstrap/36180
	* calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
	fndecl argument.
	(emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
	* target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
	declared in front.

2008-05-08  Richard Guenther  <rguenther@suse.de>

	* tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
	* tree-data-ref.h (struct dr_alias): Remove subvars field.
	(DR_SUBVARS): Remove.
	* tree-dfa.c (dump_subvars_for): Remove.
	(debug_subvars_for): Likewise.
	(dump_variable): Do not dump subvars.
	(remove_referenced_var): Do not remove subvars.
	* tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
	(lookup_subvars_for_var): Remove.
	(get_subvars_for_var): Likewise.
	(get_subvars_at): Likewise.
	(get_first_overlapping_subvar): Likewise.
	(overlap_subvar): Likewise.
	* tree-flow.h (subvar_t): Remove.
	(struct var_ann_d): Remove subvars field.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
	argument.  Remove special handling of SFTs.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(compute_call_clobbered): Likewise.
	(count_mem_refs): Likewise.
	(compute_memory_partitions): Likewise.
	(compute_flow_insensitive_aliasing): Likewise.
	(setup_pointers_and_addressables): Likewise.
	(new_type_alias): Likewise.
	(struct used_part): Remove.
	(used_portions): Likewise.
	(struct used_part_map): Likewise.
	(used_part_map_eq): Likewise.
	(used_part_map_hash): Likewise.
	(free_used_part_map): Likewise.
	(up_lookup): Likewise.
	(up_insert): Likewise.
	(get_or_create_used_part_for): Likewise.
	(create_sft): Likewise.
	(create_overlap_variables_for): Likewise.
	(find_used_portions): Likewise.
	(create_structure_vars): Likewise.
	* tree.def (STRUCT_FIELD_TAG): Remove.
	* tree.h (MTAG_P): Adjust.
	(struct tree_memory_tag): Remove base_for_components and
	unpartitionable flags.
	(struct tree_struct_field_tag): Remove.
	(SFT_PARENT_VAR): Likewise.
	(SFT_OFFSET): Likewise.
	(SFT_SIZE): Likewise.
	(SFT_NONADDRESSABLE_P): Likewise.
	(SFT_ALIAS_SET): Likewise.
	(SFT_UNPARTITIONABLE_P): Likewise.
	(SFT_BASE_FOR_COMPONENTS_P): Likewise.
	(union tree_node): Remove sft field.
	* alias.c (get_alias_set): Remove special handling of SFTs.
	* print-tree.c (print_node): Remove handling of SFTs.
	* tree-dump.c (dequeue_and_dump): Likewise.
	* tree-into-ssa.c (mark_sym_for_renaming): Likewise.
	* tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
	* tree-predcom.c (set_alias_info): Do not set subvars.
	* tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
	* tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
	* tree-ssa-operands.c (access_can_touch_variable): Likewise.
	(add_vars_for_offset): Remove.
	(add_virtual_operand): Remove special handling of SFTs.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	(get_modify_stmt_operands): Likewise.
	(get_expr_operands): Likewise.
	(add_to_addressable_set): Likewise.
	* tree-ssa.c (verify_ssa_name): Do not handle SFTs.
	* tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
	* tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
	* tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
	(tree_code_size): Remove STRUCT_FIELD_TAG handling.
	(tree_node_structure): Likewise.
	* tree-ssa-structalias.c (set_uids_in_ptset): Remove special
	handling of SFTs.
	(find_what_p_points_to): Likewise.

2008-05-08  Sa Liu  <saliu@de.ibm.com>

	* config/spu/spu.md: Fixed subti3 pattern.

2008-05-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36154
	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
	sure to create a representative for trailing arrays for PTA.

2008-05-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36172
	* fold-const.c (operand_equal_p): Two objects which types
	differ in pointerness are not equal.

2008-05-08  Kai Tietz  <kai.tietz@onevision.com>

	* calls.c (compute_argument_block_size): Add argument tree fndecl.
	(OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
	(emit_library_call_value_1): Add new variable fndecl initialized by
	NULL_TREE. It should be the decl type of orgfun, but this information
	seems not to be available here, so it uses the default calling abi.
	* config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
	* config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
	by TARGET_RETURN_IN_MEMORY.
	* config/i386/i386-interix.h: Likewise.
	* config/i386/i386.h: Likewise.
	* config/i386/i386elf.h: Likewise.
	* config/i386/ptx4-i.h: Likewise.
	* config/i386/sol2-10.h: Likewise.
	* config/i386/sysv4.h: Likewise.
	* config/i386/vx-common.h: Likewise.
	* config/cris/cris.h: Removed #if 0 clause.
	* config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
	* config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
	argument.
	(ix86_sol10_return_in_memory): Likewise.
	(ix86_i386elf_return_in_memory): New.
	(ix86_i386interix_return_in_memory): New.
	* config/mt/mt-protos.h (mt_return_in_memory): New.
	* config/mt/mt.c: Likewise.
	* config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
	(RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
	* config/bfin/bfin.h: Likewise.
	* config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
	argument.
	* config/bfin/bfin.c: Likewise.
	* config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
	* config/alpha/unicosmk.h: Likewise.
	* config/i386/cygming.h: Likewise.
	* config/iq2000/iq2000.h: Likewise.
	* config/mips/mips.h: Likewise.
	* config/mn10300/mn10300.h: Likewise.
	* config/rs6000/rs6000.h: Likewise.
	* config/score/score.h: Likewise.
	* config/spu/spu.h: Likewise.
	* config/v850/v850.h: Likewise.
	* defaults.h: Likewise.
	* doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
	* expr.c (emit_block_move): Adjust use of
	OUTGOING_REG_PARM_STACK_SPACE.
	* function.c (STACK_DYNAMIC_OFFSET): Adjust use of
	OUTGOING_REG_PARM_STACK_SPACE.
	* targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.

2008-05-08  Jakub Jelinek  <jakub@redhat.com>

	* tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
	on OMP_RETURN for OMP_FOR.

	PR debug/35896
	* dwarf2out.c (dw_expand_expr, common_check): Removed.
	(fortran_common): New function.
	(gen_variable_die): Call fortran_common instead of common_check,
	adjust for it returning tree instead of rtx.  Formatting.

2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR rtl/7335
	PR rtl/33826
	* see.c (see_copy_insn): Copy new pure const attributes for new call.
	* c-decl.c (merge_decls): Ditto.
	* postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
	to RTL_CONST_OR_PURE_CALL_P.
	* tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
	Initialized DECL_LOOPING_CONST_PURE.
	(process_call_operands): Set tree_side_effects properly.
	* tree.h (TREE_READONLY_DECL_P): Removed.
	(DECL_IS_PURE): Renamed to DECL_PURE_P.
	(DECL_LOOPING_OR_CONST_P): New macro.
	(struct tree_function_decl): Added looping_const_or_pure_p.
	(ECF_*) Renumbered.
	(ECF_LOOPING_OR_CONST_P): New macro.
	* rtlanal.c (pure_const_p): Removed.
	* builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
	* reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
	to RTL_CONST_CALL_P.
	* ipa-pure-const.c (pure_const_state_e): Added looping field.
	(check_decl, check_tree, check_call, scan_function): Initialize
	looping.
	(analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
	(static_execute): Set looping true for recursive functions.
	Undo setting state to IPA_NEITHER for recursive functions.
	* cse.c (cse_insn): 
	* ifcvt.c (noce_can_store_speculate_p): Changed
	CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
	RTL_CONST_OR_PURE_CALL_P.
	* dse.c (scan_insn): Ditto.
	* local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
	* gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
	RTL_CONST_OR_PURE_CALL_P.
	(store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
	pure_call_p to RTL_CONST_CALL_P.
	* gimplify.c (gimplify_call_expr): Clear side effects for
	non-looping pure and constant calls.
	* calls.c (emit_call_1): Set rtl flags from ecf flags.
	(flags_from_decl_or_type): Set ecf flags from decl flags.
	(initialize_argument_information): Turn off
	ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
	Change const to pure if callee_copies is true rather than just
	turning off const.
	(expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
	way of marking pure calls.
	(emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
	Remove hack that was supposed to fix pr7335 and remove old
	way of marking pure calls.
	* emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
	RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
	* cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
	RTL_CONST_OR_PURE_CALL_P.
	* tree-ssa-pre.c (can_value_number_call): Fixed spacing.
	* loop-invariant.c (find_exits, find_invariant_bb): Changed
	CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
	* sched-deps.c (schedule_analyze): Ditto.
	* rtl.h (struct rtx_def): Use call field, unchanging field, and
	return_val field of calls to represent pure and const function info.
	(CONST_OR_PURE_CALL_P): Deleted macro.
	(RTL_CONST_CALL_P, RTL_PURE_CALL_P,
	RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
	* tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
	TREE_READONLY.
	* tree-optimize.c (execute_fixup_cfg): Added test for
	ECF_LOOPING_CONST_OR_PURE.
	* c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
	DECL_PURE_P.
	* tree-cfg.c (update_call_expr_flags): Do not clear tree side
	effects for looping pure or const calls.
	(verify_gimple_expr): Added verification code. 
	* config/alpha/alpha.c (alpha_legitimize_address,
	alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
	RTL_CONST_CALL_P.
	* config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
	* config/mips/mips.c (mips_call_tls_get_addr): Ditto.
	* cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
	RTL_CONST_OR_PURE_CALL_P.
	* dce.c (deletable_insn_p): Allow non looping, non sibling, pure
	and const calls to be deleted.

2008-05-07  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35714
	* config/i386/mmx.md (mmx_subv2sf3): New expander.
	(*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
	(*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
	(mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
	to handle nonimmediate operands.
	(*mmx_paddwd): Rename from mmx_paddwd insn pattern.
	(mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
	to handle nonimmediate operands.
	(*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
	(mmx_pmulhrwv4hi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
	(sse2_umulv1siv1di3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
	(mmx_eq<mode>3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
	(mmx_uavgv8qi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
	(mmx_uavgv4hi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

	* config/i386/sse.md
	(sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
	to handle nonimmediate operands.
	(sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
	to handle nonimmediate operands.
	(sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
	to handle nonimmediate operands.
	(sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
	to handle nonimmediate operands.
	(sse2_unpckhpd_exp): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(sse2_unpcklpd_exp): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
	to handle nonimmediate operands.
	(sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
	to handle nonimmediate operands.
	(*sse2_<plusminus_insn><mode>3): Rename from
	sse2_<plusminus_insn><mode>3 insn pattern.
	(sse2_<plusminus_insn><mode>3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
	(sse2_umulv2siv2di3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
	(sse4_1_mulv2siv2di3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
	(sse2_pmaddwd): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
	(sse2_eq<mode>3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
	(sse4_1_eqv2di3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
	(sse2_uavgv16qi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
	(sse2_uavgv16qi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
	(sse2_uavgv8hi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
	(ssse3_pmulhrswv8hi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
	(ssse3_pmulhrswv4hi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

	(<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
	(<sse>_vmmul<mode>3): Ditto.
	(divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
	(divv2df3): Ditto.
	(ssse3_pmaddubsw128): Use register_operand for operand 1.
	(ssse3_pmaddubsw): Ditto.

	* config/i386/i386.c (struct_builtin_description)
	[IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
	[IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
	[IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
	[IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
	[IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
	[IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
	[IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
	[IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
	(ix86_fixup_binary_operands): Assert that src1
	and src2 must have the same mode when swapped.
	(ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
	and ix86_binary_operator_ok.  Do not force operands in registers
	when optimizing.

2008-05-07  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (dump_cgraph_node): Update.
	* cgraph.h (cgraph_local_info): Break out inline summary.
	* cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
	hook.
	* ipa-inline (inline_summary): New accestor function.
	(cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
	cgraph_decide_inlining, compute_inline_parameters): Update.
	* ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.

2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>

	Cleanup ColdFire scheduling support and add V4 pipeline model.

	* config/m68k/m68k.md (UNSPEC_TIE): New constant.
	(define_attr cpu): Add cfv4 value.
	(define_attr type, define_attr type1): Merge into a single 'type'
	attribute.  Update all uses.
	(define_attr opx_type, define_attr opy_type, define_attr opx_access):
	Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
	Update all uses.
	(define_attr opx_mem, define_attr opy_mem): Remove.
	(define_attr op_mem): Clean up, update comment.
	(define_attr size): Use specific values instead of general int.
	(define_attr guess, define_attr split): Remove.  Update all uses.
	(movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
	tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
	movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
	zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
	68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
	floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
	fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
	adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
	add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
	add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
	sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
	sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
	mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
	umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
	mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
	div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
	one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
	bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
	beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
	bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
	symbolic_call_value_jsr, symbolic_call_value_bsr, link):
	Update or set attributes.
	(stack_tie): New fake instruction.

	* config/m68k/m68k.h (TUNE_CFV4): New macro.
	(m68k_sched_attr_size): Update declaration.
	(m68k_sched_attr_type2): Remove.
	(m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
	Declare new bypass predicates.

	* config/m68k/m68k.c (m68k_sched_issue_rate,
	m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
	implementations.
	(TARGET_SCHED_ISSUE_RATE,
	TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
	(override_options): Handle scheduling for ColdFire V4 core.
	(m68k_expand_prologue): Emit stack_tie.
	(enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
	'OP_TYPE_FPN'.  Update all uses.
	(sched_guess_p): Remove.
	(sched_address_type): Handle symbolic addresses.
	(sched_get_operand): New static function.
	(sched_operand_type): Merge into sched_attr_op_type.
	(sched_attr_op_type): Handle FP registers, handle quick constants,
	update.
	(m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
	(m68k_sched_attr_size): Update.  Move logic to ...
	(sched_get_attr_size_int): New static function.
	(sched_get_opxy_mem_type): New static function.
	(m68k_sched_attr_op_mem): Update.
	(m68k_sched_attr_type2): Remove.
	(sched_cfv4_bypass_data): New static variable.
	(m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
	(m68k_sched_issue_rate): Implement scheduler hook.
	(struct _sched_ib: enabled_p): New field.
	(m68k_sched_variable_issue): Update.  Handle V4.
	(SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
	sched_dump_class_func_t, sched_dump_split_class,
	sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
	sched_dump_dfa_class, m68k_sched_dump): Remove.
	(m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
	hook.
	(m68k_sched_init_global): Remove statisctics dumping, introduce
	sanity check that all instructions have pipeline reservations.  Handle
	ColdFire V4 core.
	(m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
	Handle ColdFire V4 core.
	(sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
	New static functions.
	(m68k_sched_address_bypass_p): New bypass predicate.
	(sched_get_indexed_address_scale): New static function.
	(m68k_sched_indexed_address_bypass_p): New bypass predicate.

	* cf.md: Update comments.
	(define_attr type2): Remove.  Use 'type' attribute instead.
	Update all uses.
	(cf_ib): Rename to cfv123_ib.  Update all uses.
	(cf_oep): Rename to cfv123_oep.  Update all uses.
	(cf_chr): Rename to cfv123_chr.  Update all uses.
	(cf_mem): Rename to cfv123_mem.  Update all uses.
	(cf_mac): Move to more appropriate place.
	(cfv123_guess): New automaton and cpu_unit.
	(cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
	Update uses of 'size' attribute.  Handle before reload scheduling.
	(cfv123_guess): New dummy reservation for unhandled instructions.
	(cfv4_*): Pipeline description of ColdFire V4 core.
	(ignore): New reservation to handle 'ignore' type.

2008-05-07  Ian Lance Taylor  <iant@google.com>

	PR middle-end/36013
	* gimplify.c (find_single_pointer_decl_1): Don't look through
	indirections.
	(find_single_pointer_decl): Adjust comments.

2008-05-07  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/36137
	* fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
	STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.

	PR middle-end/36106
	* omp-low.c (expand_omp_atomic_pipeline): Load value using the
	integral type rather than floating point, then VIEW_CONVERT_EXPR
	to the floating point type.

2008-05-07  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
	TFmode op0 to register.

2008-05-07  Alan Modra  <amodra@bigpond.net.au>

	* c-decl.c (grokdeclarator): Comment typo.

2008-05-06  Aldy Hernandez  <aldyh@redhat.com>

	* tree-flow.h: Remove prototype for computed_goto_p.
	* tree-cfg.c (computed_goto_p): Make static.

2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35657
	* config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
	(contains_aligned_value_p): This.  Handle _Decimal128.
	(ix86_function_arg_boundary): Only align _Decimal128 to its
	natural boundary and handle it properly.

2008-05-06  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
	(ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
	(ipcp_method_set_orig_node): Removed.
	(ipcp_cval_get_cvalue_type): Removed.
	(ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
	(ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
	(ipcp_cval_set_cvalue_type): Removed.
	(ipcp_cval_get_cvalue): Removed.
	(ipcp_cval_set_cvalue): Removed.
	(ipcp_type_is_const): Renamed to ipcp_lat_is_const.
	(ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
	(ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
	(ipcp_cval_meet): Renamed to ipa_lattice_meet
	(ipcp_cval_changed): Changed to use ipcp_lat_is_const
	(ipcp_method_cval): Renamed to ipcp_get_ith_lattice
	(ipcp_get_ith_lattice): Changed parameters.
	(ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
	(ipcp_lattice_from_jfunc): Changed parameters.
	(ipcp_redirect): Local lattice pointer instead of lattice type variable.
	(ipcp_method_cval_print): Added temporary variable info.
	(ipcp_redirect): Removed already unused local variable caller.
	(ipcp_redirect): New temporary variable orig_callee_info
	(ipcp_redirect): Removed newly unused local variable callee.
	(ipcp_redirect): Removed (a bit confusing) local variable type.
	(ipcp_insert_stage): Added local variable info.
	(ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
	renamed too
	(ipcp_formal_create): Removed.
	(ipcp_method_cval_set): Removed.
	(ipcp_propagate_stage): Renamed lattice variables.
	(ipcp_method_cval_set_cvalue_type): Removed.
	(ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
	(ipcp_print_all_lattices): Changed printed strings to refer to 
	lattices rather than cvals.
	(ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
	(ipcp_propagate_const): Changed formal parameters.
	(build_const_val): Changed formal parameters.
	(ipcp_insert_stage): Removed useless variable cvalue
	(build_const_val): Changed formal parameters.
	(ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
	(ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
	(ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
	(ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
	(ipcp_print_func_profile_counts): Changed string from "method" to 
	"function"
	(ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
	(ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
	(ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
	(ipcp_structures_print): Renamed to ipcp_print_all_structures
	(ipcp_profile_print): Renamed to ipcp_print_profile_data
	(ipcp_lat_is_const): Changed parameters and made inline.
	(ipcp_replace_map_create): Renamed to ipcp_create_replace_map
	(ipcp_redirect): Renamed to ipcp_need_redirect_p
	(ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
	the predicate condition directly
	(ipcp_propagate_stage): Added local variable args. Removed local
	variable callee.  (Both are mere code simplifications.)
	(ipcp_method_dont_insert_const): Renamed to
	ipcp_node_not_modifiable_p.
	(ipcp_node_not_modifiable_p): Made inline.
	(ipcp_cloned_create): Renamed to ipcp_init_cloned_node
	(ipcp_propagate_const): Renamed to ipcp_propagate_one_const
	(ipcp_print_all_lattices): Removed variable cvalue
	(ipcp_method_scale_print): Renamed to ipcp_function_scale_print
	Updated comments.

2008-05-06  Olivier Hainque  <hainque@adacore.com>

	* tree-sra.c (try_instantiate_multiple_fields): Early return
	if field has POINTER_TYPE.

2008-05-06  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
	by using 'q' specifier for instruction.
	(ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.

2008-05-06  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
	Change mode of zero_extract from QImode to HImode.
	(sign bit tests peepholes): (Ditto.).

2008-05-06  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/mmx.md: Remove double backslashes from asm templates.
	(*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
	(mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
	to handle nonimmediate operands.
	(*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
	(mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
	to handle nonimmediate operands.
	(*mmx_<code>v2sf3_finite): New insn pattern.
	(*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
	(mmx_<code>v2sf3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(mmx_<plusminus_insn><mode>3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_<plusminus_insn><mode>3): New insn pattern.
	(mmx_add<mode>3): Removed.
	(mmx_ssadd<mode>3): Ditto.
	(mmx_usadd<mode>3): Ditto.
	(mmx_sub<mode>3): Ditto.
	(mmx_sssub<mode>3): Ditto.
	(mmx_ussub<mode>3): Ditto.
	(*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
	(mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
	to handle nonimmediate operands.
	(*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
	insn pattern.
	(mmx_smulv4hi3_highpart): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
	insn pattern.
	(mmx_umulv4hi3_highpart): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
	(mmx_<code>v4hi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
	(mmx_<code>v8qi3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
	(*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
	(mmx_<code><mode>3): New expander.  Use
	ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.

2008-05-05  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/36118
	* passes.c (pass_init_dump_file): Fix dump header.

2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR middle-end/36141
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
	VCE for function decls.

2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.

2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (sat_plusminus): New.
	(plusminus_insn): Likewise.
	(plusminus_mnemonic): Likewise.
	(addsub): Removed.
	(comm): Add ss_plus, us_plus, ss_minus and us_minus.
	(*<addsub><mode>3_cc_overflow): Renamed to ...
	(*<plusminus_insn><mode>3_cc_overflow): This.
	(*<addsub>si3_zext_cc_overflow): Renamed to ...
	(*<plusminus_insn>si3_zext_cc_overflow): This.

	* config/i386/sse.md (<addsub><mode>3): Renamed to ...
	(<plusminus_insn><mode>3): This.
	(*<addsub><mode>3): Renamed to ...
	(*<plusminus_insn><mode>3): This.
	(<sse>_vm<addsub><mode>3): Renamed to ...
	(<sse>_vm<plusminus_insn><mode>3): This.
	(sse3_h<addsub>v4sf3): Renamed to ...
	(sse3_h<plusminus_insn>v4sf3): This.
	(sse3_h<addsub>v2df3): Renamed to ...
	(sse3_h<plusminus_insn>v2df3): This.
	(<plusminus_insn><mode>3): New.
	(*<plusminus_insn><mode>3): Likewise.
	(sse2_<plusminus_insn><mode>3): Likewise.
	(add<mode>): Removed.
	(*add<mode>3): Likewise.
	(sse2_ssadd<mode>3): Likewise.
	(sse2_usadd<mode>3): Likewise.
	(sub<mode>3): Likewise.
	(*sub<mode>3): Likewise.
	(sse2_sssub<mode>3): Likewise.
	(sse2_ussub<mode>3): Likewise.

2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>

	* gthr-single.h: Add in required interface elements as per gthr.h.
	Add stub types for __gthread_key_t, __gthread_once_t. Add defines
	for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
	Generalize UNUSED macro. 
	(__gthread_once): Add.
	(__gthread_key_create): Add.
	(__gthread_key_delete): Add.
	(__gthread_getspecific): Add.
	(__gthread_setspecific): Add.
	
2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>

	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
	the same size types for the indirect reference on the rhs, then
	create a VCE.

2008-05-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md
	(*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
	one insn template instead of template series.
	(*xordi_1_rex64): Ditto.
	(*xordi_2_rex64): Ditto.

2008-05-05  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/36119
	* tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
	in case of SLP.

2008-06-04  Jan Hubicka  <jh@suse.cz>

	tree-optimization/36100
	* tree-pass.h (pass_O0_always_inline): Declare.
	* ipa-inline.c (inline_transform): Remove dead code.
	(cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
	pass_O0_always_inline): New.
	* passes.c (init_optimization_passes): Add pass_O0_always_inline.

2008-05-04  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
	mnemonic in this_param move for TARGET_64BIT.

2008-05-04  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
	(*strmovsi_rex_1): Ditto.
	(*strsetsi_1): Ditto.
	(*strsetsi_rex_1): Ditto.

	(add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
	adddicc expanders using SWI mode iterator.

2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/36121
	* config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
	argument handling.

2008-05-04  David S. Miller  <davem@davemloft.net>

	* config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
	(sparc*-*-linux*): Use linux.h in tm_file.
	(sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
	compiler defaulting to 32-bit.
	(sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
	no longer needed.
	* config/sparc/linux.h: Remove definitions now obtained
	properly from linux.h
	* config/sparc/linux64.h: Likewise.
	(ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
	don't want this setting for 32-bit builds in a biarch compiler.
	* doc/install.texi: Add sparc-linux to list of targets
	supporting --enable-targets=all.

2008-05-03  Andrew Pinski  <pinskia@gmail.com>

	* Makefile.in (tree-ssa-phiprop.o): Fix dependencies.

2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
	after V4SI_FTYPE_V8HI.
	(ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
	case V4SI_FTYPE_V2DF.

2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* doc/invoke.texi (max-flow-memory-locations): Removed.
	* params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
	
2008-05-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34973
	* opts.c (set_Wstrict_aliasing): Handle the turn-off case.

2008-05-02  David S. Miller  <davem@davemloft.net>

	* config.gcc (need_64bit_hwint): Document libcpp dependency.

2008-05-02  Simon Baldwin <simonb@google.com>

	PR bootstrap/36108
	* c-common.h (warn_array_subscript_range): Removed.
	* c-common.c (warn_array_subscript_range): Ditto.
	* tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
	* c-typeck.c (build_array_ref): Remove warn_array_subscript_range.

2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_special_builtin_type): New.
	(bdesc_special_args): Likewise.
	(ix86_expand_special_args_builtin): Likewise.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_builtin): Updated.
	(ix86_expand_store_builtin): Removed.
	(ix86_expand_unop_builtin): Likewise.

	* config/i386/mm3dnow.h (__v2sf): Moved to ...
	* config/i386/mmintrin.h (__v2sf): Here.

	* config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
	const __v2sf.
	(_mm_loadl_pi): Likewise.
	(_mm_storeh_pi): Replace __v2si with __v2sf.
	(_mm_storel_pi): Likewise.

	* doc/extend.texi: Correct __builtin_ia32_loadhps,
	__builtin_ia32_loadlps, __builtin_ia32_storehps,
	__builtin_ia32_storelps, __builtin_ia32_loadhpd and
	__builtin_ia32_loadlpd.

2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
	V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
	(bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Likewise.
	(ix86_expand_builtin): Likewise.
	(ix86_expand_unop1_builtin): Renamed to ...
	(ix86_expand_unop_vec_merge_builtin): This.

2008-05-01  Jan Hubicka  <jh@suse.cz>

	PR bootstrap/36100
	* ipa-inline.c (inline_generate_summary): Make static.
	(inline_transform): Do not call inlining at -O0; make static.
	* passes.c (execute_todo): Add sanity check.
	(execute_one_ipa_transform_pass): Execute proper flags.

2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
	(DECL_NONADDRESSABLE_P): Likewise.
	* alias.c (record_component_aliases): Fix comment.

2008-05-01  Simon Baldwin <simonb@google.com>

	* c-common.h (warn_array_subscript_range): New function.
	* c-common.c (warn_array_subscript_range): Ditto.
	* tree-vrp.c (check_array_ref): Corrected code to agree with
	comment, ignoring only arrays of size 0 or size 1.
	* c-typeck.c (build_array_ref): Call warn_array_subscript_range.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtin_type): Replace
	DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
	(bdesc_args): Updated.
	(ix86_init_mmx_sse_builtins): Likewise.
	(ix86_expand_args_builtin): Likewise.

	* config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
	with __v1di.

	* doc/extend.texi: Correct __builtin_ia32_palignr.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/36095
	* config/i386/i386.c (bdesc_crc32): Removed.
	(ix86_expand_crc32): Likewise.
	(ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
	V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
	V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
	UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
	UINT_FTYPE_UINT_UCHAR.
	(bdesc_args): Updated. Add crc32 builtins.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Updated to support subreg.

	* doc/extend.texi: Correct __builtin_ia32_crc32di.

2008-05-01  Jan Hubicka  <jh@suse.cz>

	* tree-pass.h (opt_pass): Add IPA_PASS.
	(varpool_node, cgraph_node): Forward declare.
	(ipa_opt_pass): Define.
	(pass_ipa_inline): Turn into ipa_opt_pass.
	(pass_apply_inline): Remove.
	* ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
	(apply_inline): Turn into ....
	(inline_transform): ... this one.
	(inline_generate_summary): New function.
	(pass_apply_inline): Remove.
	* function.h (ipa_opt_pass): Forward declare structure; typedef;
	vector.
	(struct function): Add ipa_transforms_to_apply.
	* passes.c (register_one_dump_file): Work on IPA_PASS.
	(init_optimization_passes): Remove pass_inline_parameters and
	pass_apply_inline.
	(pass_init_dump_file, pass_fini_dump_file): Break out from ....
	(execute_one_pass) ... here; apply transforms when possible.
	(add_ipa_transform_pass, execute_ipa_summary_asses,
	execute_one_ipa_transform_pass): New.
	(execute_ipa_pass_list): Update for IPA_PASS type.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtin_type): Add
	V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
	V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
	(bdesc_args): Add SSE4a builtins.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Likewise.
	(ix86_expand_builtin): Likewise.

2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtin_type): Add
	V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
	V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
	V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
	V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
	V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
	V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
	V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
	V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
	and DI_FTYPE_DI_DI_INT.
	(bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Likewise.
	(ix86_expand_builtin): Likewise.
	(ix86_expand_binop_imm_builtin): Removed.

	* doc/extend.texi: Correct __builtin_ia32_palignr128.

2008-04-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/32921
	* tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.

2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>

	* config/arm/arm.c (arm_unwind_emit): Use
	crtl->all_throwers_are_sibcalls instead of
	cfun->all_throwers_are_sibcalls.
	(arm_output_fn_unwind): Likewise.
	* config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
	instead of cfun->uses_pic_offset_table.
	(frv_expand_prologue): Likewise.
	(frv_frame_pointer_required): Likewise.
	(frv_expand_fdpic_call): Likewise.
	(frv_emit_movsi): Likewise.
	* config/iq2000/iq2000.c (iq2000_expand_prologue): Use
	cfun->returns_pcc_struct instead of
	current_function_returns_pcc_struct.
	* config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
	instead of cfun->calls_eh_return.
	(m32c_pushm_popm): Likewise.
	* config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
	"extern" declaration.

2008-04-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/21636
	* tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
	constant address.
	(evaluate_stmt): Print the likely value.
	(ccp_visit_stmt): Avoid excessive vertical spacing.

2008-04-30  Rafael Espindola  <espindola@google.com>

	* builtins.c (fold_call_expr): Return realret.
	* tree-ssa-threadedge.c
	(record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
	__builtin_object_size.

2008-04-30  Seongbae Park  <seongbae.park@gmail.com>

	* gcc.c (wrapper_string): New variable.
	(insert_wrapper): New function.
	(execute): New option -wrapper.
	* doc/invoke.texi (Overall Options): New driver option -wrapper.

2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
	config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
	config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
	from...
	* config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
	* config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
	config/rs6000/e500crtres64gprctr.asm,
	config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
	config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
	config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
	config/rs6000/e500crtsav64gprctr.asm,
	config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
	config/rs6000/e500crtsavg64gprctr.asm: New files.
	* config/rs6000/t-ppccomm: Add build rules for new files.
	(LIB2FUNCS_STATIC_EXTRA): Add new files.
	* config/rs6000/t-netbsd: Add build rules for new files.
	(LIB2FUNCS_STATIC_EXTRA): New variable.
	* config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
	(CRTSAVRES_DEFAULT_SPEC): Likewise.
	* config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.

2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtin_type): Add
	FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
	V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
	V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
	V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
	V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
	V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
	V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
	V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
	V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
	V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
	V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
	V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
	V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
	V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
	V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
	V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
	V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
	V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
	V1DI_FTYPE_V2SI_V2SI.
	(bdesc_2arg): Moved to ...
	(bdesc_args): Here.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Updated.  Take a pointer
	to const struct builtin_description.  Handle comparison
	builtin functions.
	(ix86_expand_sse_compare): Take a new argument for swapping operands.
	(ix86_expand_builtin): Updated.

	* config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
	(ssse3_pmaddubsw128): This.
	(ssse3_pmaddubswv4hi3): Renamed to ...
	(ssse3_pmaddubsw): This.

	* doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
	(__builtin_ia32_packssdw128): Likewise.
	(__builtin_ia32_packuswb128): Likewise.
	(__builtin_ia32_pmaddubsw): Likewise.
	(__builtin_ia32_pmaddubsw128): Likewise.

2008-04-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/14847
	* tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
	(recognize_bits_test): Use it.
	(recognize_single_bit_test): Likewise.

2008-04-30  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
	instead of setting number of formal parameters to zero.
	(ipcp_init_stage): Do not set the number of actual parameters to zero 
	either.
	(ipcp_propagate_stage): Explicitly skipping all calls to nodes
	which are called with variable number of arguments.
	(ipcp_insert_stage): Explicitely skipping all nodes which are
	called with variable number of arguments.
	(ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
	number of parameters.

	* ipa-prop.h (struct ipa_node_params): Added flag
	called_with_var_arguments
	(ipa_set_param_count): Added.  Changed sole setter to use it.
	(ipa_get_param_count): Added.  All readers of param_count
	converted to use it instead.
	(ipa_set_called_with_variable_arg): Added.
	(ipa_is_called_with_var_arguments): Added.
	(ipa_get_ith_param): Added.  All readers of param_decls converted
	to use it instead.
	(ipa_set_cs_argument_count): Added, sole writer to argument_count 
	changed to use it. 
	(ipa_get_cs_argument_count): Added, all readers of argument_count
	changed to cal it.
	(ipa_get_ith_jump_func): Added. Accessors of jump values changed 
	to use it.
	
	* ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
	(struct ipcp_lattice): Renamed cval_type to type
	(struct ipa_node_params): ipcp_cval renamed to ipcp_lattices

	* ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
	(ipcp_cval_set_cvalue): Changed type of parameter value to tree
	(ipcp_insert_stage): Changed the type of variable cvalue to tree
	(ipcp_replace_map_create): Changed the type of parameter cvalue to tree
	(build_const_val): Changed the type of parameter cvalue to tree
	(ipcp_propagate_const): Changed the type of parameter cvalue to tree
	(ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
	
	* ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
	constant 

	* ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
	(ipa_methodlist_not_empty): Removed, the sole user now checks directly
	(ipa_add_method): Renamed to ipa_push_func_to_list
	(ipa_remove_method): Renamed to ipa_pop_func_from_list
	(ipa_callsite_param_count): Removed.
	(ipa_callsite_param_count_set): Removed.
	(ipa_callsite_param): Removed.
	(ipa_callsite_callee): Removed.
	(ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
	(ipa_callsite_compute_count): Renamed to ipa_count_arguments
	(ipa_method_formal_count): Removed.
	(ipa_method_formal_count_set): Removed.
	(ipa_method_get_tree): Removed.
	(ipa_method_tree_map_create): Removed.
	(ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
	(ipa_create_param_decls_array): Creates the array itself
	(ipa_create_param_decls_array): Temporary variable info instead of 
	a few dereferences.
	(ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
	(ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
	(get_type): Removed.
	(ipa_jf_get_info_type): Removed.
	(ipa_node_create): Renamed to ipa_create_node_params
	(ipa_free): Renamed to ipa_free_all_node_params
	(ipa_nodes_create): Renamed to ipa_create_all_node_params
	(ipa_edges_create): Renamed to ipa_create_all_edge_args
	(ipa_edges_free): Renamed to ipa_free_all_edge_args
	(ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
	(ipa_free_all_node_params): Deallocation to jump_functions moved to 
	ipa_free_all_edge_args
	(ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
	(ipa_method_modify_print): Renamed to ipa_print_all_params_modified
	(ipa_create_methodlist_node): Removed.
	(ipa_methodlist_method): Removed.
	(ipa_methodlist_method_set): Removed.
	(ipa_methodlist_next_method): Removed.
	(ipa_methodlist_next_method_set): Removed.
	(ipa_method_is_modified): Removed.
	(ipa_method_modify_create): Removed.
	(ipa_method_modify_init): Temporary variable info instead of a few 
	dereferences.
	(ipa_detect_param_modifications): Temporary variable info instead of 
	a few dereferences.
	(ipa_compute_jump_functions): Temporary variable info instead of 
	a few dereferences.
	(ipa_method_modify_set): Removed.
	(ipa_method_tree_map): Renamed to ipa_get_param_decl_index
	(ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
	than craph_node as the first parameter.
	(ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
	(ipa_method_modify_init): Removed.
	(ipa_compute_jump_functions): Added a temp variable instead of 
	repeatadly dereferencing the cgraph_edge.aux pointer
	(ipa_callsite_param_set_type): Removed.
	(ipa_compute_jump_functions): i renamed to index and moved to 
	an inner block
	(ipa_callsite_param_set_info_type_formal): Removed.
	(ipa_callsite_param_set_info_type): Removed.
	(ipa_callsite_param_map_create): Removed.
	(ipa_callsite_tree): Removed.
	(ipa_callsite_caller): Removed.
	(ipa_pop_func_from_list): return_method removed to return_func

	* ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
	prefixed all values with IPA_. Changed all users.
	(enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
	CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
	and FORMAL_IPATYPE IPA_PASS_THROUGH. 
	(union parameter_info): Renamed to jump_func_value.
	(union jump_func_value): Renamed value to constant
	(struct ipa_jump_func): Renamed info_type to value
	(struct ipa_node): Renamed to ipa_node_params
	(struct ipa_node_params): Renamed ipa_arg_num to param_count
	(struct ipa_node_params): Renamed ipa_param_tree to param_decls
	(struct ipa_node_params): Renamed ipa_mod to modified_flags
	(struct ipa_edge): Renamed to ipa_edge_args
	(struct ipa_edge_args): Renamed ipa_param_num to argument_count
	(struct ipa_edge_args): Renamed ipa_param_map to jump_functions
	(struct ipa_methodlist): Renamed to ipa_func_list
	(struct ipa_func_list): method_p renamed to node, next_method
	renamed to next
	(ipa_methodlist_p): Removed, switched all users to struct pointer
	(IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX

2008-04-30  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
	(rs6000_emit_epilogue): Use backchain to restore only when we
	have a large frame.  Make use of frame pointer to restore if we
	have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.

2008-04-29  Paolo Bonzini  <bonzini@gnu.org>

	* config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
	Add mode to zero_extract.
	(sign bit tests peepholes): (Ditto.).

2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_builtins): Replace Prescott New
	Instructions in comments with SSE3.
	(ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
	INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
	INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
	V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
	V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
	V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
	V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
	V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
	V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
	V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
	V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
	V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
	(bdesc_sse_args): Renamed to ...
	(bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
	IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
	IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
	IX86_BUILTIN_FABSQ.
	(bdesc_1arg): Moved to ...
	(bdesc_args): Here.
	(ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
	Instructions in comments with SSE3.
	(ix86_expand_sse_operands_builtin): Renamed to ...
	(ix86_expand_args_builtin): This.  Updated.
	(ix86_expand_unop1_builtin): Update comments.
	(ix86_expand_builtin): Updated.

2008-04-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36078
	* tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
	Update virtual SSA form after cleaning up the CFG.

2008-04-29  Richard Guenther  <rguenther@suse.de>

	PR middle-end/15255
	* fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.

2008-04-29  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
	(compute_may_aliases): Do not call finalize_ref_all_pointers.
	(compute_flow_insensitive_aliasing): Do not treat
	PTR_IS_REF_ALL pointers special.
	(get_smt_for): Likewise.
	(may_alias_p): Re-structure.
	(is_escape_site): A ref-all pointer conversion is not an escape site.
	* tree-ssa-structalias.c (find_what_p_points_to): Do not treat
	PTR_IS_REF_ALL pointers special.
	* tree-ssa-structalias.h (struct alias_info): Remove
	ref_all_symbol_mem_tag field.
	(PTR_IS_REF_ALL): Remove.

2008-04-29  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36077
	* fold-const.c (extract_muldiv_1): In combining division constants
	make sure to never overflow.

2008-04-29  Nick Clifton  <nickc@redhat.com>

	* doc/tm.texi (RETURN_ADDR_RTX): Fix typo.

2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR bootstrap/35169
	* optc-gen.awk: Work around HP-UX/IA awk bug.

2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/i386/cygming-crtend.c (register_frame_ctor): Revert my
	2008-04-25 commit.

2008-04-28  Uros Bizjak  <ubizjak@gmail.com>

	PR target/36073
	* config/i386/i386.md
	(*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
	Change operand 1 predicate to nonimmediate_operand.

2008-04-28  Jakub Jelinek  <jakub@redhat.com>

	PR debug/36060
	* dwarf2out.c (struct die_struct): Mark as chain_circular through
	die_sub field.
	* gengtype.c (walk_type, write_func_for_structure): Handle
	chain_circular.
	* doc/gty.texi: Document chain_circular.

2008-04-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36066
	* tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
	SCEV and loop.

2008-04-28  Uros Bizjak  <ubizjak@gmail.com>

	PR target/36064
	* config/i386/i386.md
	(floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
	Use match_scratch instead of match_operand for operands 3 and 4.

2008-04-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/18754
	PR tree-optimization/34223
	* tree-pass.h (pass_complete_unrolli): Declare.
	* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
	loop size before and after unconditionally of UL_NO_GROWTH in effect.
	Rewrite loop into loop closed SSA form if it is not already.
	(tree_unroll_loops_completely): Re-structure to iterate over
	innermost loops with intermediate CFG cleanups.
	Unroll outermost loops only if requested or the code does not grow
	doing so.
	* tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
	loops are available.
	(tree_vectorize): Instead do so here.
	(tree_complete_unroll): Also unroll outermost loops.
	(tree_complete_unroll_inner): New function.
	(gate_tree_complete_unroll_inner): Likewise.
	(pass_complete_unrolli): New pass.
	* tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
	uses outside of the loop.
	(tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
	form if it is available.  
	* tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
	* passes.c (init_optimization_passes): Schedule complete inner
	loop unrolling pass before the first CCP pass after final inlining.

2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>

	* targhooks.h (default_emutls_var_fields,
	default_emutls_var_init): Declare.
	* tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
	* target.h (struct gcc_target): Add struct emutls member.
	* target-def.h (TARGET_EMUTLS_GET_ADDRESS,
	TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
	TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
	TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
	TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
	TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
	(TARGET_INITIALIZER): Add TARGET_EMUTLS.
	* builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
	BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
	* dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
	emit debug information.
	* coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
	* varasm.c: Include targhooks.h.
	(emutls_object_section, emutls_tmpl_section): New.
	(EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
	(EMUTLS_SEPARATOR): New.
	(prefix_name): New.
	(get_emutls_object_name): New.
	(default_emutls_var_fields): New, broken out of ...
	(get_emutls_object_type): ... here.  Adjust to use target hooks.
	(get_emutls_init_templ_addr): Adjust to use target hooks.
	(emutls_decl): Adjust to use target hooks.
	(emutls_finish): Likewise.
	(default_emutls_var_init): New, broken out of ...
	(assemble_variable): ... here.  Adjust to use target hooks.
	* output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
	SECCAT_EMUTLS_TMPL.
	* c-common.c (handle_section_attribute): Prevent overriding
	sections for emulated tls with special sections.
	* config/i386/i386.c (x86_64_elf_select_section): Add
	SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
	(x86_64_elf_unique_section): Likewise.
	* config/vxworks.c: Include tree.h.
	(vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
	(vxworks_override_options): Set TLS scheme.
	* doc/tm.texi (Emulated TLS): New node.

2008-04-26  Simon Baldwin <simonb@google.com>

	PR c/35652
	* builtins.c (c_strlen): Suppressed multiple warnings that can occur
	with propagated string constants.

2008-04-26  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
	constraint for operand 2 when operand 0 is memory operand.
	(fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
	operand 0 is memory operand.
	(fix_trunc<mode>_i387_with_temp): Ditto.
	(*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
	operand 2 when operand 1 is memory operand.
	(*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
	(*floatsi<mode>2_vector_sse_with_temp): Ditto.
	(*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
	(*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
	(floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
	operands 2,3 and 4 when operand 1 is memory operand.
	(fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
	is memory operand.
	(fistdi2_floor_with_temp): Ditto.
	(fist<mode>2_floor_with_temp): Ditto.
	(fistdi2_ceil_with_temp): Ditto.
	(fist<mode>2_ceil_with_temp): Ditto.
	(*truncdfsf_fast_mixed): Merge alternatives 0 and 1.

2008-04-26  David Daney  <ddaney@avtrex.com>

	* config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
	unspec_volitile.
	(UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
	UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
	UNSPEC_UPDATE_GOT_VERSION): Renumber.
	(sync_compare_and_swap<mode>): New expand for QI and HI modes.
	(compare_and_swap_12): New insn.
	* config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
	* config/mips/mips.c (mips_force_binary): New function.
	(mips_emit_int_order_test, mips_expand_synci_loop): Use it.
	(mips_expand_compare_and_swap_12): New function.
	* config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.

2008-04-25  Jan Hubicka  <jh@suse.cz>

	PR testsuite/35843
	* cfgexpand.c (pass_expand): Turn into RTL pass.
	* passes.c (execute_one_pass): Do pass typechecking after execution.
	* tree-pass.h (pass_expand): Turn into RTL pass.

	* function.h (struct rtl_data): Move here fields
	accesses_prior_frames, calls_eh_return, saves_all_registers,
	has_nonlocal_goto, has_asm_statement, is_thunk,
	all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
	uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
	arg_pointer_save_area_init from struct function; turn into bool.
	(struct function): Move
	calls_eh_return, saves_all_registers, has_nonlocal_goto,
	has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
	profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
	tail_call_emit, arg_pointer_save_area_init
	into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
	(current_function_returns_struct, current_function_returns_pcc_struct,
	current_function_calls_setjmp, current_function_calls_alloca,
	current_function_accesses_prior_frames,
	current_function_calls_eh_return, current_function_is_thunk,
	current_function_stdarg, current_function_profile,
	current_function_limit_stack, current_function_uses_pic_offset_table,
	current_function_uses_const_pool, current_function_has_nonlocal_label,
	current_function_saves_all_registers,
	current_function_has_nonlocal_goto,
	current_function_has_asm_statement): Remove accesor macros.
	* ra-conflict.c (global_conflicts): Update.
	* tree-tailcall.c (suitable_for_tail_opt_p): Update.
	(suitable_for_tail_call_opt_p): Update.
	* builtins.c (expand_builtin_return_addr): Update.
	(expand_builtin_setjmp_setup): Update.
	(expand_builtin_nonlocal_goto): Update.
	* final.c (final_start_function): Update.
	(profile_function): Update.
	(leaf_function_p): Update.
	(only_leaf_regs_used): Update.
	* df-scan.c (df_get_exit_block_use_set): Update.
	* dojump.c (clear_pending_stack_adjust): Update.
	* tree-stdarg.c (gate_optimize_stdarg): Update.
	* gimple-low.c (lower_function_body): Update.
	* global.c (compute_regsets): Update.
	(global_alloc): Update.
	* dwarf2out.c (dwarf2out_begin_prologue): Update.
	* expr.c (expand_assignment): Update.
	* dse.c (dse_step0): Update.
	(dse_step1): Update.
	* c-decl.c (store_parm_decls): Update.
	* local-alloc.c (combine_regs): Update.
	(find_free_reg): Update.
	* function.c (assign_parms_augmented_arg_list): Update.
	(assign_parm_find_data_types): Update.
	(assign_parms): Update.
	(allocate_struct_function): Update.
	(expand_function_start): Update.
	(expand_function_end): Update.
	(get_arg_pointer_save_area): Update.
	(thread_prologue_and_epilogue_insns): Update.
	(rest_of_match_asm_constraints): Update.
	* stor-layout.c (variable_size): Update.
	* gcse.c (gcse_main): Update.
	(bypass_jumps): Update.
	* gimplify.c (gimplify_function_tree): Update.
	* calls.c (emit_call_1): Update.
	(expand_call): Update.
	* bt-load.c (compute_defs_uses_and_gen): Update.
	* except.c (sjlj_assign_call_site_values): Update.
	(sjlj_emit_function_enter): Update.
	(can_throw_external): Update.
	(set_nothrow_function_flags): Update.
	(expand_builtin_unwind_init): Update.
	(expand_eh_return): Update.
	(convert_to_eh_region_ranges): Update.
	(output_function_exception_table): Update.
	* emit-rtl.c (gen_tmp_stack_mem): Update.
	* cfgexpand.c (expand_used_vars): Update.
	(tree_expand_cfg): Update.
	* cfgcleanup.c (rest_of_handle_jump): Update.
	* explow.c (allocate_dynamic_stack_space): Update.
	* varasm.c (assemble_start_function): Update.
	(force_const_mem): Update.
	(mark_constant_pool): Update.
	* tree-optimize.c (tree_rest_of_compilation): Update.
	* stack-ptr-mod.c (notice_stack_pointer_modification): Update.
	* tree-cfg.c (notice_special_calls): Update.
	(is_ctrl_altering_stmt): Update.
	(tree_can_make_abnormal_goto): Update.
	(tree_purge_dead_abnormal_call_edges): Update.
	* config/alpha/predicates.md: Update.
	* config/alpha/alpha.c (alpha_sa_mask): Update.
	(alpha_sa_size): Update.
	(alpha_does_function_need_gp): Update.
	(alpha_expand_prologue): Update.
	(alpha_start_function): Update.
	(alpha_output_function_end_prologue): Update.
	(alpha_expand_epilogue): Update.
	* config/frv/frv.c (frv_stack_info): Update.
	(frv_expand_epilogue): Update.
	* config/s390/s390.c (s390_regs_ever_clobbered): Update.
	(s390_register_info): Update.
	(s390_frame_info): Update.
	(s390_init_frame_layout): Update.
	(s390_can_eliminate): Update.
	(save_gprs): Update.
	* config/spu/spu.c (spu_split_immediate): Update.
	(need_to_save_reg): Update.
	(spu_expand_prologue): Update.
	(spu_expand_epilogue): Update.
	* config/sparc/sparc.md: Update.
	* config/sparc/sparc.c (eligible_for_return_delay): Update.
	(sparc_tls_got): Update.
	(legitimize_pic_address): Update.
	(sparc_emit_call_insn): Update.
	(sparc_expand_prologue): Update.
	(output_return): Update.
	(print_operand): Update.
	(sparc_function_ok_for_sibcall): Update.
	* config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
	* config/m32r/m32r.md: Update.
	* config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
	(m32r_compute_frame_size): Update.
	(m32r_expand_prologue): Update.
	(m32r_expand_epilogue): Update.
	(m32r_legitimize_pic_address): Update.
	* config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
	* config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
	* config/i386/i386.c (ix86_frame_pointer_required): Update.
	(gen_push): Update.
	(ix86_save_reg): Update.
	(ix86_compute_frame_layout): Update.
	(ix86_expand_prologue): Update.
	(ix86_expand_epilogue): Update.
	* config/sh/sh.c (output_stack_adjust): Update.
	(calc_live_regs): Update.
	(sh5_schedule_saves): Update.
	(sh_expand_prologue): Update.
	(sh_expand_epilogue): Update.
	(sh_setup_incoming_varargs): Update.
	(sh_allocate_initial_value): Update.
	(sh_get_pr_initial_val): Update.
	* config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
	* config/sh/sh.md (label:): Update.
	* config/avr/avr.c (out_movhi_mr_r): Update.
	* config/crx/crx.h (enum): Update.
	* config/xtensa/xtensa.h (along): Update.
	* config/stormy16/stormy16.c Update.
	(xstormy16_compute_stack_layout): Update.
	* config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
	(fr30_expand_prologue): Update.
	* config/cris/cris.c (cris_conditional_register_usage): Update.
	(cris_reg_saved_in_regsave_area): Update.
	(cris_initial_frame_pointer_offset): Update.
	(cris_simple_epilogue): Update.
	(cris_expand_prologue): Update.
	(cris_expand_epilogue): Update.
	(cris_expand_pic_call_address): Update.
	(cris_asm_output_symbol_ref): Update.
	(cris_asm_output_label_ref): Update.
	* config/cris/cris.md Update.
	* config/iq2000/iq2000.c (compute_frame_size): Update.
	(iq2000_expand_epilogue): Update.
	* config/mt/mt.h (save_direction): Update.
	* config/mn10300/mn10300.c (mn10300_function_value): Update.
	* config/ia64/ia64.c (ia64_compute_frame_size): Update.
	(ia64_secondary_reload_class): Update.
	* config/m68k/m68k.c (m68k_save_reg): Update.
	(m68k_expand_prologue): Update.
	(m68k_expand_epilogue): Update.
	(legitimize_pic_address): Update.
	* config/rs6000/rs6000.c (rs6000_got_register): Update.
	(first_reg_to_save): Update.
	(first_altivec_reg_to_save): Update.
	(compute_vrsave_mask): Update.
	(compute_save_world_info): Update.
	(rs6000_stack_info): Update.
	(spe_func_has_64bit_regs_p): Update.
	(rs6000_ra_ever_killed): Update.
	(rs6000_emit_eh_reg_restore): Update.
	(rs6000_emit_allocate_stack): Update.
	(rs6000_emit_prologue): Update.
	(rs6000_emit_epilogue): Update.
	(rs6000_output_function_epilogue): Update.
	(output_profile_hook): Update.
	(rs6000_elf_declare_function_name): Update.
	* config/rs6000/rs6000.h (rs6000_args): Update.
	* config/rs6000/rs6000.md: Update.
	* config/mcore/mcore.c (mcore_expand_prolog): Update.
	* config/arc/arc.c (arc_output_function_epilogue): Update.
	* config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
	* config/darwin.c (machopic_function_base_name): Update.
	* config/score/score3.c (score3_compute_frame_size): Update.
	(rpush): Update.
	(rpop): Update.
	(score3_epilogue): Update.
	* config/score/score7.c (score7_compute_frame_size): Update.
	(score7_prologue): Update.
	(score7_epilogue): Update.
	* config/score/score.h (FRAME_POINTER_REQUIRED): Update.
	* config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
	* config/arm/arm.c (use_return_insn): Update.
	(require_pic_register): Update.
	(arm_load_pic_register): Update.
	(arm_compute_save_reg0_reg12_mask): Update.
	(arm_compute_save_reg_mask): Update.
	(thumb1_compute_save_reg_mask): Update.
	(output_return_instruction): Update.
	(arm_output_function_prologue): Update.
	(arm_output_epilogue): Update.
	(arm_get_frame_offsets): Update.
	(arm_expand_prologue): Update.
	(thumb_pushpop): Update.
	(thumb_exit): Update.
	(thumb1_expand_prologue): Update.
	(thumb1_expand_epilogue): Update.
	(arm_unwind_emit): Update.
	(arm_output_fn_unwind): Update.
	* config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
	* config/arm/arm.md: Update.
	* config/pa/pa.md: Update.
	* config/pa/pa.c (legitimize_pic_address): Update.
	(compute_frame_size): Update.
	(hppa_expand_prologue): Update.
	(hppa_expand_epilogue): Update.
	(borx_reg_operand): Update.
	* config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
	(HARD_REGNO_RENAME_OK): Update.
	* config/mips/mips.c (mips_global_pointer): Update.
	(mips_save_reg_p): Update.
	(mips_compute_frame_info): Update.
	(mips_frame_pointer_required): Update.
	(mips_expand_prologue): Update.
	(mips_expand_epilogue): Update.
	(mips_can_use_return_insn): Update.
	(mips_reorg_process_insns): Update.
	* config/v850/v850.c (compute_register_save_size): Update.
	* config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
	* config/mmix/mmix.c (along): Update.
	(mmix_expand_epilogue): Update.
	* config/bfin/bfin.c (legitimize_pic_address): Update.
	(must_save_p): Update.
	(stack_frame_needed_p): Update.
	(add_to_reg): Update.
	(bfin_expand_prologue): Update.
	* stmt.c (expand_asm_operands): Update.
	* reload1.c (reload): Update.
	(init_elim_table): Update.

2008-04-25  Bob Wilson  <bob.wilson@acm.org>
	
	* optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
	
2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
	(*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
	(mov<mode>): Removed.
	(*movv4sf_internal): Likewise.
	(*movv2df_internal): Likewise.

2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>

	* config.gcc (crx-*-elf): Remove deprecation.

2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/i386/cygming-crtend.c (register_frame_ctor): Register
	__gcc_deregister_frame with atexit.
	(deregister_frame_dtor): Remove.

2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
	    Nathan Sidwell  <nathan@codesourcery.com>

	* config/rs6000/rs6000.opt (mspe): Remove Var property.
	(misel): Likewise.
	* config/rs6000/rs6000.h (rs6000_spe): Declare.
	(rs6000_isel): Likewise.
	* config/rs6000/rs6000.c (rs6000_spe): New variable.
	(rs6000_isel): New variable.
	(rs6000_handle_option): Handle OPT_mspe and OPT_misel.

2008-04-24  Jakub Jelinek  <jakub@redhat.com>

	PR c++/35758
	* c-common.c (handle_vector_size_attribute): Call
	lang_hooks.types.reconstruct_complex_type instead of
	reconstruct_complex_type.
	* config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
	* config/spu/spu.c (spu_handle_vector_attribute): Likewise.
	* langhooks.h (struct lang_hooks_for_types): Add
	reconstruct_complex_type hook.
	* langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.

2008-04-24  Richard Guenther  <rguenther@suse.de>

	* c-common.h (check_builtin_function_arguments): Declare.
	* c-common.c (validate_nargs): New function.
	(check_builtin_function_arguments): Likewise.
	* c-typeck.c (build_function_call): Call
	check_builtin_function_arguments.
	* builtins.c (fold_builtin_classify): Remove error reporting code.
	(fold_builtin_unordered_cmp): Likewise.
	(fold_builtin_1): Likewise.
	(fold_builtin_n): Likewise.

2008-04-24  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/36008
	* fold-const.c (try_move_mult_to_index): If s == NULL, divide
	the original op1, rather than delta by step.

2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
	    Sebastian Pop  <sebastian.pop@amd.com>

	* tree-parloops.c (take_address_of, eliminate_local_variables_1,
	eliminate_local_variables_stmt, eliminate_local_variables,
	separate_decls_in_loop_name, separate_decls_in_loop_stmt,
	separate_decls_in_loop, gen_parallel_loop): Make them work on a region
	of code delimited by two edges in the CFG.
	(separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
	(separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
	(separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
	the case of parallelisation of reductions.
	(expr_invariant_in_region_p): New.

	* tree-flow.h (gather_blocks_in_sese_region): Declared.
	* tree-cfg.c (gather_blocks_in_sese_region): Extern.

2008-04-24  Ira Rosen  <irar@il.ibm.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36034
	* tree-vect-analyze.c (vect_analyze_group_access): SLP is
	incapable of dealing with loads with gaps.

2008-04-24  Rafael Espindola  <espindola@google.com>

	* tree-flow.h (vrp_evaluate_conditional): Change signature.
	* tree-ssa-propagate.c (fold_predicate_in): Update call to
	vrp_evaluate_conditional.
	* tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
	(vrp_evaluate_conditional): Split the cond argument.
	(vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
	(simplify_stmt_for_jump_threading): Update call to
	vrp_evaluate_conditional.

2008-04-24  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/35982
	* tree-vect-analyze.c (vect_check_interleaving): Check that the
	interleaved data-refs are of the same type.

2008-04-24  Danny Smith  <dannysmith@users.net>

	* c-format.c (check_format_info_main): Use strncmp rather than a
	magic prefix to handle multichar length specs.
	* config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
	Don't prefix "I64" and "I32" with '\0'.

2008-04-24  Jakub Jelinek  <jakub@redhat.com>

	PR target/36015
	* config/i386/i386.c (init_cumulative_args): Don't pass anything
	in registers for -m32 only if stdarg_p (fntype).

2008-04-24  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/36006
	* expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
	temp to op0 in order to avoid invalid rtx sharing.

2008-04-23  Paolo Bonzini  <bonzini@gnu.org>

	* tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
	check TREE_INVARIANT.
	* tree-gimple.c (is_gimple_address): New.
	(is_gimple_invariant_address): Simplify using decl_address_invariant_p.
	* tree-gimple.h (is_gimple_address): New.
	* tree.h (decl_address_invariant_p): New.
	* tree.c (make_node_stat): Don't set TREE_INVARIANT.
	(build_string): Likewise.
	(decl_address_invariant_p): New, from is_gimple_invariant_address.
	(tree_invariant_p_1): Likewise.
	(save_expr): Use it.
	(tree_invariant_p): New.
	(skip_simple_arithmetic): Use it.
	(stabilize_reference_1): Use it.
	(recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
	simplify.
	(build1_stat): Drop code to compute TREE_INVARIANT.
	(build2_stat): Drop code to compute TREE_INVARIANT.
	(build3_stat): Drop code to compute TREE_INVARIANT.
	(build4_stat): Drop code to compute TREE_INVARIANT.
	(build5_stat): Drop code to compute TREE_INVARIANT.
	(build7_stat): Drop code to compute TREE_INVARIANT.
	(merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
	* tree.h (struct tree_base): Remove invariant_flag.
	(TREE_INVARIANT): Remove.
	* builtins.c (build_string_literal): Don't set TREE_INVARIANT.
	(fold_builtin_expect): Check TREE_CONSTANT.
	* tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
	* c-tree.h (c_expr_to_decl): Drop third parameter.
	* c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
	(build_c_cast): Don't set TREE_INVARIANT.
	(pop_init_level): Don't set TREE_INVARIANT.
	(c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
	* gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
	TREE_CONSTANT.
	(gimplify_init_constructor): Don't set TREE_INVARIANT.
	(gimplify_addr_expr): Adjust comment.
	* tree-mudflap.c (mf_build_string):
	* print-tree.c (print_node): Don't print TREE_INVARIANT.
	* tree-nested.c (convert_nonlocal_reference): Adjust comment.
	* c-common.c (fix_string_type): Don't set TREE_INVARIANT.
	* langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
	* langhooks.c (lhd_expr_to_decl): Drop third parameter.
	* langhooks.h (struct lang_hooks): Drop third parameter from
	expr_to_decl.

2008-04-23  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/27799
	PR tree-optimization/32921
	PR tree-optimization/32624
	* tree-ssa-structalias.c (merge_smts_into): Only merge the
	SMTs aliases and the tag itself into the solution.
	* tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
	merge the points-to solution back into the SMT aliases.
	(may_alias_p): Use alias_set_subset_of instead of
	aliases_conflict_p.  A pointer which points to
	memory with alias set zero may access any variable.

2008-04-23  Richard Guenther  <rguenther@suse.de>

	* alias.c (alias_set_subset_of): Correctly handle asking
	if zero is a subset of an alias set with zero child.
	* tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
	(compute_flow_insensitive_aliasing): Correctly walk all
	pointers.  Do not unnecessarily union sets.

2008-04-23  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36021
	* c-common.c (handle_alloc_size_attribute): Use type_num_arguments.

2008-04-22  Tomas Bily  <tbily@suse.cz>

	* tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
	unreachable case.
	* tree-vrp.c (extract_range_from_unary_expr): Removed unused
	NON_LVALUE_EXPR.
	* tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
	* tree-ssa-structalias.c (get_constraint_for): Likewise.
	* tree-inline.c (estimate_num_insns_1): Likewise.
	* varasm.c (const_hash_1, compare_constant, copy_constant)
	(compute_reloc_for_constant, output_addressed_constants): Likewise.
	* emit-rtl.c (component_ref_for_mem_expr)
	(set_mem_attributes_minus_bitpos): Likewise.
	* expr.c (highest_pow2_factor, expand_expr_real_1, )
	(is_aligning_offset): Likewise.
	* dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
	* dojump.c (do_jump): Likewise.
	* builtins.c (get_pointer_alignment, get_memory_rtx)
	(integer_valued_real_p, fold_builtin_next_arg): Likewise.
	* tree-scalar-evolution.c (instantiate_parameters_1): Likewise.

2008-04-23  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/36017
	* builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
	expanding the library call.

2008-04-22  Ian Lance Taylor  <iant@google.com>

	* fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
	than size_in_bytes.

2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>

	* config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
	of LR/CTR moves for Power6.

2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR middle-end/36003
	* passes.c (init_optimization_passes): Remove
	pass_fast_rtl_byte_dce.
	
2008-04-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/29096
	* config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
	builtin functions to generate faster code.
	(_mm_cvtpu16_ps): Ditto.
	(_mm_cvtpi32x2_ps): Ditto.

2008-04-22  Nick Clifton  <nickc@redhat.com>

	* common.opt (ftree-loop-distribution): Add Optimization
	attribute.

	* config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
	(frv_expand_builtin_va_start): Likewise.

	* config/arm/arm.c (thumb_find_work_register): Fix location of
	argument register count.

2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>

	Support scheduling for ColdFire V1 and V3 microarchitecture.
	Improve scheduling of multiplication instructions.

	* config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
	(mac): New instruction attribute.
	* config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
	(m68k_sched_mac): New variable.
	(m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
	Handle cfv1 and cfv3.
	(max_insn_size): New static variable.
	(struct _sched_ib): New type.
	(sched_ib): New static variable.
	(sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
	to fields of 'struct _sched_ib sched_ib'.  Update all uses.
	(m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
	Update.
	(m68k_sched_md_init_global, m68k_sched_md_finish_global,
	m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
	new variables.  Update.
	(m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
	Add modeling of cfv3 instruction buffer.  Update.
	* config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
	* config/m68k/m68k.h (TUNE_CFV3): New macro.
	* config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
	(cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
	a particular reservation applies to.
	(type2): Reorganize attribute values.  Rename alu to alu_reg,
	alu_l to alu, move_l to omove.  Join move to alu.  Split mul
	to mul_l and mul_w.
	(cf_ib_*): Simplify description of instruction buffer.
	(cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
	(cf_mem): Split into cf_mem1 and cf_mem2.
	(cf_v2_move_??): Rename to cfv12_alu_??.
	(cf_v2_move_l_??): Rename to cfv12_omove_??.
	(cf_v2_mul_??): Remove reservations.
	(cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
	cfv12_emac_??, cfv12_emac_w_i0): New reservations.
	(cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
	appropriate place.
	(cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
	cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
	cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
	cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
	cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
	cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
	(cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
	expansions of the above reservations for instructions of sizes
	1, 2 and 3 words.

2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.

2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>

	* coverage.c: Include tree-pass.h.
	(coverage_counter_alloc): Print da_file_name to the dump file.

2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* sbitmap.c (sbitmap_range_empty_p): New function.
	* sbitmap.h (sbitmap_range_empty_p): New function.
	* bitmap.h: Now includes obstack.h.

2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
	    Kenneth Zadeck  <zadeck@naturalbridge.com>

	* dbgcnt.def (ra_byte_scan): Added.
	* dbgcnt.c (dbg_cnt): Added code to print message to dump_file
	when the last hit happens for a counter.  
	* timevar.def (TV_DF_BYTE_LR): New variable.
	* tree-pass.h (pass_fast_rtl_byte_dce): New pass.
	* passes.c (pass_fast_rtl_byte_dce): New pass.
	* fwprop.c (update_df): Added mode to call df_ref_create.
	Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
	DF_REF_EXTRACT_OFFSET.
	* df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
	DF_BYTE_LR_OUT, df_byte_lr): New macro.
	(df_mm): New enum.
	(df_ref_extract): Added mode field.
	(DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
	DF_REF_EXTRACT_OFFSET.
	(DF_REF_EXTRACT_MODE): New macro.
	(df_byte_lr_bb_info): New structure.
	(df_print_byte_regset, df_compute_accessed_bytes, 
	df_byte_lr_add_problem, df_byte_lr_get_regno_start,
	df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
	df_byte_lr_simulate_uses,
	df_byte_lr_simulate_artificial_refs_at_top,
	df_byte_lr_simulate_artificial_refs_at_end,
	df_compute_accessed_bytes): New function.
	(df_ref_create): Add parameter.
	(df_byte_lr_get_bb_info): New inline function.
	* df-scan.c (df_ref_record, df_uses_record,
	df_ref_create_structure): Added mode parameter.
	(df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
	df_defs_record, df_uses_record, df_get_conditional_uses,
	df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
	df_entry_block_defs_collect, df_exit_block_uses_collect):
	Added mode parameter to calls to df_ref_record, df_uses_record,
	df_ref_create_structure.
	(df_ref_equal_p, df_ref_compare): Added test for modes.
	(df_ref_create_structure): Added code to set mode.  Renamed
	DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
	DF_REF_EXTRACT_OFFSET.
	* df-core.c (df_print_byte_regset): New function.
	* df-byte-scan.c: New file.
	* df-problems.c (df_rd_transfer_function): Removed unnecessary
	calls to BITMAP_FREE.  
	(df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
	(df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
	df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
	df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
	df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
	df_byte_lr_local_compute, df_byte_lr_init,
	df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
	df_byte_lr_transfer_function, df_byte_lr_free, 
	df_byte_lr_top_dump, df_byte_lr_bottom_dump,
	df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
	df_byte_lr_simulate_uses,
	df_byte_lr_simulate_artificial_refs_at_top,
	df_byte_lr_simulate_artificial_refs_at_end): New function.
	* dce.c (byte_dce_process_block): New function.
	(dce_process_block): au is now passed in rather than computed
	locally.  Changed loops that look at artificial defs to not look
	for conditional or partial ones, because there never are any.  
	(fast_dce): Now is able to drive byte_dce_process_block or 
	dce_process_block depending on the kind of dce being done.
	(rest_of_handle_fast_dce): Add parameter to fast_dce.
	(rest_of_handle_fast_byte_dce): New function.
	(rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
	* Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.

2008-04-21  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/35019
	* gcc.h: Added fortran options that take arguments to
	DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
	macros.

2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
	scalarization if on the LHS and not a full access.

2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.

2008-04-18  Rafael Espindola  <espindola@google.com>

	* tree-vrp.c (find_case_label_index): Fix the binary search.
	(find_case_label_range): New.
	(vrp_visit_switch_stmt): Use find_case_label_range.
	(simplify_switch_using_ranges): Use find_case_label_range.

2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>

	* gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
	using the is_gimple_lvalue predicate instead of is_gimple_min_lval.

2008-04-18  Tom Tromey  <tromey@redhat.com>

	PR libcpp/15500:
	* doc/cpp.texi (Implementation-defined behavior): Mention
	-finput-charset.

2008-04-18  Ian Lance Taylor  <iant@google.com>

	* fold-const.c (pointer_may_wrap_p): New static function.
	(fold_comparison): Add another test for pointer overflow.  Use
	pointer_may_wrap_p to disable some false positives.

2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
	  
	* c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
	(fname_as_string): Match updated cpp_interpret_string prototype.
	(fix_string_type): Support char16_t* and char32_t*.
	(c_common_nodes_and_builtins): Add char16_t and char32_t (and
	derivative) nodes.  Register as builtin if C++0x.
	(c_parse_error): Support CPP_CHAR{16,32}.
	* c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
	(enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
	CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
	CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
	CTI_CHAR32_ARRAY_TYPE>: New elements.
	(char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
	char32_type_node, signed_char32_type_node, char16_array_type_node,
	char32_array_type_node): New defines.
	* c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
	(c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
	(lex_string): Support CPP_STRING{16,32}, match updated
	cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
	(lex_charconst): Support CPP_CHAR{16,32}.
	* c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
	and CPP_STRING{16,32}.

2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

2008-04-18  Jan Hubicka  <jh@suse.cz>

	* except.c (dw2_size_of_call_site_table,
	sjlj_size_of_call_site_table): Use vector API for call_site_record.

	* cgraphbuild.c (build_cgraph_edges): Update.
	* tree-pass.h: Update comment.
	* final.c (leaf_function_p): Update.
	(leaf_renumber_regs): Update.
	(rest_of_clean_state): Update.
	* omp-low.c (expand_omp_parallel): Update.
	* ipa-reference.c (analyze_function): Update.
	* reorg.c (find_end_label): Update.
	(optimize_skip): Update.
	(fill_simple_delay_slots): Update.
	(fill_simple_delay_slots): Update.
	(make_return_insns): Update.
	(dbr_schedule): Update.
	* gimple-low.c (record_vars_into): Update.
	* cfgbuild.c (make_edges): Update.
	* function.c (assign_stack_local): Update.
	(assign_parm_adjust_stack_rtl): Update.
	(locate_and_pad_parm): Update.
	(allocate_struct_function): Do not initialize stack_alignment_needed
	and preferred_stack_boundary here.
	(stack_protect_prologue): Update.
	(stack_protect_epilogue): Update.
	(expand_function_start): Initialize stack_alignment_needed,
	preferred_stack_boundary and max_jumptable_ents.
	(expand_function_end): Update.
	(free_after_compilation): Do not NULLify epilogue_delay_list.
	* function.h (struct rtl_data): Add stack_protect_guard,
	stack_alignment_needed,
	preferred_stack_boundary, epilogue_delay_list.
	(struct function): Remove value_histograms, stack_alignment_needed,
	preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
	last_label_uid,
	unexpanded_var_list, stack_protect_guard.
	(current_function_epilogue_delay_list): Remove.
	* ipa-type-escape.c (analyze_function): Update.
	* gimplify.c (pop_gimplify_context): Update comment.
	* calls.c (expand_call): Update.
	(emit_library_call_value_1): Update.
	* except.c (set_nothrow_function_flags): Update.
	* cfgexpand.c (get_decl_align_unit): Update.
	(create_stack_guard): Update.
	(estimated_stack_frame_size): Update.
	(expand_used_vars): Update.
	(tree_expand_cfg): Free histogram earliers, init expansion variables.
	* explow.c (allocate_dynamic_stack_space): Update.
	* tree-ssa-live.c (remove_unused_locals): Update.
	* varasm.c (mark_constant_pool): Update.
	* tree-inline.c (remap_decls): Update.
	(initialize_cfun): Update.
	(declare_return_variable): Update.
	(inline_forbidden_p): Update.
	(expand_call_inline): Update.
	(declare_inline_vars): Update.
	(tree_function_versioning): Update.
	* tree-flow.h (value_histograms): New.
	(VALUE_HISTOGRAMS): New macro.
	* basic-block.h (control_flow_graph): Add max_jumptable_ents,
	last_label_uid.
	* tree-cfg.c (set_bb_for_stmt): Update.
	(replace_by_duplicate_decl): Update.
	(move_block_to_fn): Update.
	(new_label_mapper): Update.
	(dump_function_to_file): Update.
	* ipa-struct-reorg.c (build_data_structure): Update.
	* cfgrtl.c (print_rtl_with_bb): Update.
	* reload1.c (reload): Update.
	(reload): Update.
	* config/i386/i386.c (setup_incoming_varargs_64,
	ix86_compute_frame_layout): Update.
	* config/arc/arc.c (arc_output_function_epilogue): Update.

2008-04-18  Marius Strobl <marius@FreeBSD.org>

	* gthr-posix.h (__gthread_active_p): Use the Solaris implementation
	for FreeBSD as well.
	* gthr-posix95.h: Likewise.

2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/35838
	* dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
	out the byte offset of the first subreg.

2008-04-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
	to split_ti instead of three separate calls with single member arrays.
	(subti3 splitter): Ditto.
	(adddi3 splitter): Ditto with split_di.
	(subdi3 splitter): Ditto.
	(negti2 splitter): Pass arrays of 2 operands to split_ti instead of
	two separate calls with single member arrays.  Swap match_dup
	operands 1 and 2 to better fit into the array.
	(negdi2 splitter): Ditto with split_di.
	(movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
	two separate calls with single member arrays.  Swap match_dup operands
	6 and 7 to better fit into the array.

2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (sse_builtin_type): New.
	(bdesc_sse_args): Likewise.
	(bdesc_sse_3arg): Removed.
	(bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
	(bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
	IX86_BUILTIN_ROUNDPS.
	(ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
	bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
	IX86_BUILTIN_ROUNDPS.
	(ix86_expand_sse_4_operands_builtin): Removed.
	(ix86_expand_sse_operands_builtin): New.
	(ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
	and CODE_FOR_sse4_1_roundps.
	(ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
	Handle bdesc_sse_args.  Remove bdesc_sse_3arg.

2008-04-17  Alan Modra  <amodra@bigpond.net.au>

	PR target/35907
	* config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
	regs before frame pop when needed.  If use_backchain_to_restore_sp
	then load backchain into a temp reg to restore vr and vrsave.  Add
	code to restore vr after frame pop if possible.

2008-04-17  Richard Guenther  <rguenther@suse.de>

	* tree-vn.c (expressions_equal_p): Do not check type
	equality or compatibility before calling operand_equal_p.
	* fold-const.c (operand_equal_p): Check equivalence of
	integer constants before bailing out due to signedness or
	precision differences.
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
	spurious differences in type qualification.  Ignore types
	for COMPONENT_REFs at all.

2008-04-17  Christian Bruel  <christian.bruel@st.com>

	* config/sh/sh.c (expand_cbranchdi4): Use original operands for
	msw_skip comparison.
	
2008-04-16  Jakub Jelinek  <jakub@redhat.com>

	PR c/35739
	* tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
	reg type.

	PR tree-optimization/35899
	* tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
	rather than TREE_OPERAND.

2008-04-16  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35944
	* config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
	temporary registers.  Change operand predicate to general_operand.
	(remainderxf3): Ditto.

2008-04-16  Richard Guenther  <rguenther@suse.de>

	* Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
	* tree-affine.c (aff_combination_expand): Look through some
	conversions.

2008-04-15  Doug Kwan  <dougkwan@google.com>

	* dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
	for hex printing.
	* tree-pretty-print.c (dump_generic_node): Ditto.
	* final.c (output_addr_const): Ditto.
	* dwarf2out.c (output_cfi): Ditto.
	* c-pretty-print.c (pp_c_integer_constant): Ditto.
	* print-rtl.c (print_rtx): Ditto.
	* print-tree.c (print_node_brief, print_node): Ditto.
	* c-common.c (match_case_to_enum_1): Ditto.
	* sched-vis.c (print_value): Ditto.
	* config/i386/i386.c (print_operand): Cast to long unsigned int
	for hex printing.

2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
	* libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
	MS Windows VirtualProtect function.

2008-04-15  Jan Hubicka  <jh@suse.cz>

	* gengtype.c (write_root): Param_is argument is OK.
	* expr.c (expand_expr_real_1): Update call of get_exception_*.
	* function.h: Include varray.h
	(rtl_eh): New stucture based on except.c one.
	(call_site_record): New forward declaration and vector type.
	* calls.c (emit_call_1): Do not call
	note_current_region_may_contain_throw.
	* except.c (eh_status): Remove cur_region, try_region since they are
	unused.
	Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
	exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
	sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
	Remove call_site_data_used, call_site_data_size.
	Turn call_site_record into vector in function.h.
	(note_current_region_may_contain_throw): Remove.
	(get_exception_pointer, get_exception_filter): Do not take struct
	function argument; update.
	(add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
	add_ttypes_entry, add_ehspec_entry, assign_filter_values,
	build_post_landing_pads, dw2_build_landing_pads,
	sjlj_assign_call_site_values, sjlj_mark_call_sites,
	sjlj_emit_function_enter, sjlj_emit_function_enter, 
	sjlj_emit_function_exit, sjlj_emit_dispatch_table,
	sjlj_build_landing_pads, finish_eh_generation,
	remove_exception_handler_label, remove_eh_handler,
	maybe_remove_eh_handler, add_reachable_handler,
	reachable_handlers, expand_builtin_eh_return, expand_eh_return,
	add_action_record, collect_one_action_chain, add_call_site,
	convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
	sjlj_output_call_site_table, output_function_exception_table,
	* except.h (note_current_region_may_contain_throw): Remove
	(get_exception_pointer, get_exception_filter): Do not take struct
	function argument.
	* Makefile.in (GTFILES): Put varargs before struct function.

2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
	punt for STRING_CST.
	(get_constraint_for): Deal with STRING_CST here instead.

2008-04-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-propagate.c (substitute_and_fold): Substitute
	statements in a basic-block with a backward walk.  Do not
	substitute into dead statements but instead remove those.

2008-04-15  Richard Guenther  <rguenther@suse.de>

	* params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
	to zero, thus disable creation of SFTs.

2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-predcom.c (suitable_reference_p): Return false if the
	reference can throw.

2008-04-15  Jakub Jelinek  <jakub@redhat.com>

	PR c/35751
	* c-decl.c (finish_decl): If extern or static var has variable
	size, set TREE_TYPE (decl) to error_mark_node.

2008-04-15  Rafael Espindola  <espindola@google.com>

	* fold-const.c (tree_call_nonnegative_warnv_p): Remove local
	variable arg1.

2008-04-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
	* tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
	(visit_reference_op_load): Do walk vuse-vdef chains on
	vn_reference_lookup.
	(visit_reference_op_store): But do not here.
	* tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
	vn_reference_lookup.
	(vn_lookup_with_vuses): But do so here.

2008-04-14  Ian Lance Taylor  <iant@google.com>

	* fold-const.c (fold_overflow_warning): Remove assertion.

2008-04-15  Ben Elliston  <bje@au.ibm.com>

	* config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
	temp1 local variables.

2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>

	PR target/35661
	* config/i386/winnt.c (i386_pe_section_type_flags): Mark
	".text.unlikely" section as executable.

2008-04-14  James E. Wilson  <wilson@tuliptree.org>

	* config/ia64/ia64.c (rtx_needs_barrier): Handle
	UNSPEC_FR_SQRT_RECIP_APPROX_RES.
	* config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
	(divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
	divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
	divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
	divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.

2008-04-14  Ian Lance Taylor  <iant@google.com>

	* flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
	* fold-const.c (fold_comparison): If appropriate, test
	POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
	(fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
	reassociating a pointer type.
	* doc/invoke.texi (Optimize Options): Document that
	-fstrict-overflow applies to pointer wraparound.

2008-04-13  Jan Hubicka  <jh@suse.cz>

	* m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.

2008-04-12  Andrew Pinski  <pinskia@gmail.com>

	* config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
	we are going to "save the world".

2008-04-13  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
	("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
	operand 0 constraint, not "=".

2008-04-11  James E. Wilson  <wilson@tuliptree.org>

	* system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.

2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>

	* dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
	of size of positions_needed * CHAR_BIT.

2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/35897
	* dse.c (store_info): Change positions_needed to unsigned
	HOST_WIDE_INT.
	(lowpart_bitmask): New.
	(record_store): Cast to unsigned HOST_WIDE_INT for
	positions_needed.  Assert width <= size of positions_needed *
	CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
	(check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
	lowpart_bitmask to set mask.

2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/constraints.md: New file.
	* config/bfin/bfin.md: Include it.
	(adddi3): Use satisfies_constraint functions instead of the old macros.
	* config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
	CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
	CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
	CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
	CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
	CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
	EXTRA_CONSTRAINT): Delete.
	* config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
	reg_or_neg7bit_operand): Use satisfies_constraint functions instead
	of the old macros.
	* config/bfin/bfin.c: Include "tm-constrs.h".
	(bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
	Use satisfies_constraint functions instead of the old macros.
	* doc/md.texi (Blackfin Constraints): Update file name reference.

2008-04-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35869
	* tree-vrp.c (execute_vrp): Move switch statement update after
	jump threading.  Schedule another cfg cleanup run.

2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>

	PR c/35744
	* attribs.c (decl_attributes): Return early on errorneous node.

2008-04-10  Oleg Ryjkov  <olegr@google.com>

	* tree.h (struct tree_base): Added a new flag default_def_flag.
	(SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.

2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.

2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/35768
	* pa.md: Define mode iterator P.  Define mode attribute dwc.
	(dcacheflush): Update pattern to use iterator P and attribute dwc.
	(icacheflush): Likewise.
	* pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
	!TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.

2008-04-11  Ben Elliston  <bje@au.ibm.com>

	* config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.

2008-04-10  Rafael Espindola  <espindola@google.com>

	* tree-vrp.c (extract_range_from_binary_expr): Don't handle
	TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
	(extract_range_from_expr): The same.

2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.md (GPR2): New mode iterator.
	(seq): Add comment.
	(*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
	*sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
	*slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
	Rewrite these to take two modes, the mode of comparison and the
	mode of the destination.
	* config/mips/mips.c (mips_expand_scc): Instead of having
	paradoxical subreg as destination, expand "narrowing" scc if mode
	of comparison is SI and target is requested in DI mode.
	(mips_emit_int_order_test): Update comment.  Make mode of
	comparison match CMP0 rather than TARGET.  When creating inverse
	target use mode of TARGET.

2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>

	* gcov-dump.c (tag_summary): Only print summaries for the first
	GCOV_COUNTERS_SUMMABLE counters.

2008-04-10  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (absneg): New code iterator.
	(absnegprefix): New code attribute.
	(<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
	patterns using absneg code iterator.
	(<code>tf2): Macroize expander from abstf2 and negtf2 patterns
	using absneg code iterator.
	(*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
	*neg<mode>2 patterns using absneg code iterator.
	(*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
	*negextendsfdf2 patterns using absneg code iterator.
	(*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
	*negextendsfxf2 patterns using absneg code iterator.
	(*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
	*negextendsfdf2 patterns using absneg code iterator.
	* config/i386/sse.md (<code><mode>2): Macroize expander from
	abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 

2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.h: Remove the remains of the recent search
	& replace action of current_function_outgoing_args_size.

2008-04-10  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/35821
	* tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
	NEW_STMT_LIST is not NULL.

2008-04-09  David Edelsohn  <edelsohn@gnu.org>

	PR libstdc++/35597
	* toplev.c (process_options): Remove -ffunction-sections debugging
	warning.

2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>

	PR middle-end/PR28690
	* explow.c (break_out_memory_refs): Use simplify_gen_binary rather
	than gen_rtx_fmt_ee to perform more canonicalizations.

2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR driver/35665
	* collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".

2008-04-09  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (verify_stmt): Print complete bogus stmt.
	(dump_function_to_file): Dump function arguments with types.

2008-04-08  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (fold_widened_comparison): Do not allow
	sign-changes that change the result.

2008-04-08  Janis Johnson  <janis187@us.ibm.com>

	PR target/35839
	* config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
	kinds of indirect references.

2008-04-08  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
	GNU Fortran language string.

2008-04-08  Rafael Espindola  <espindola@google.com>

	* fold-canst.c (tree_call_nonnegative_warnv_p): New.
	(tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
	* tree.h (tree_call_nonnegative_warnv_p): New.

2008-04-08  Jan Hubicka  <jh@suse.cz>

	* function.c (free_after_compilation): Clear out regno_reg_rtx
	pointer.

2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>

	Revert
	2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>

	PR middle-end/PR28690
	* rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
	same precedence as REG_POINTER and MEM_POINTER operands.

2008-04-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35834
	* tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
	for adding index to base.

2008-04-08  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
	(MINGW_ENABLE_EXECUTE_STACK): New.
	(IN_LIBGCC2): For libgcc include windows.h file for
	function declarations.

2008-04-08  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
	and tem2 if tem1 is not a REG or MULT.

2008-04-08  Jan Hubicka  <jh@suse.cz>

	* function.h (incomming_args): Break out of struct function.
	(function_subsections): Break out of struct function.
	(rtl_data): Add args, subsections fields. Break out outgoing_args_size,
	return_rtx and hard_reg_initial_vals from struct function.
	Kill inl_max_label_num.
	(current_function_pops_args, current_function_args_info,
	current_function_args_size, current_function_args_size,
	current_function_pretend_args_size,
	current_function_outgoing_args_size,
	current_function_internal_arg_pointer, current_function_return_rtx):
	Kill compatibility accestor macros.
	* builtins.c (expand_builtin_apply_args_1): Update.
	(expand_builtin_next_arg): Update.
	* df-scan.c (df_get_call_refs): Update.
	* dbxout.c (dbxout_function_end): Update.
	* dwarf2out.c (dwarf2out_switch_text_section): Update.
	(output_line_info): Update.
	(secname_for_decl): Update.
	(dwarf2out_var_location): Update.
	* function.c (free_after_compilation): Update.
	(assign_parm_find_stack_rtl): Update.
	(assign_parms): Update.
	(expand_dummy_function_end): Update.
	(expand_function_end): Update.
	* calls.c (mem_overlaps_already_clobbered_arg_p): Update.
	(expand_call): Update.
	(emit_library_call_value_1): Update.
	(store_one_arg): Update.
	* varasm.c (initialize_cold_section_name): Update.
	(unlikely_text_section): Update.
	(unlikely_text_section_p): Update.
	(assemble_start_function): Update.
	(assemble_end_function): Update.
	(default_section_type_flags): Update.
	(switch_to_section): Update.
	* integrate.c (set_decl_abstract_flags): Update.
	(get_hard_reg_initial_val): Update.
	(has_hard_reg_initial_val): Update.
	(allocate_initial_values): Update.
	* resource.c (init_resource_info): Update.
	* config/alpha/alpha.c (NUM_ARGS): Update.
	(direct_return): Update.
	(alpha_va_start): Update.
	(alpha_sa_size): Update.
	(alpha_initial_elimination_offset): Update.
	(alpha_expand_prologue): Update.
	(alpha_start_function): Update.
	(alpha_expand_epilogue): Update.
	(unicosmk_initial_elimination_offset):
	* config/alpha/alpha.md (call expander): Update.
	* config/s390/s390.c (s390_register_info): Update.
	(s390_register_info): Update.
	(s390_frame_info): Update.
	(s390_initial_elimination_offset): Update.
	(s390_build_builtin_va_list): Update.
	(s390_va_start): Update.
	* config/spu/spu.c (direct_return): Update.
	(spu_expand_prologue): Update.
	(spu_initial_elimination_offset): Update.
	(spu_build_builtin_va_list): Update.
	(spu_va_start): Update.
	* config/sparc/sparc.c (sparc_init_modes): Update.
	(sparc_compute_frame_size): Update.
	(function_value): Update.
	* config/m32r/m32r.c (m32r_compute_frame_size): Update.
	* config/i386/i386.md (return expander): Update.
	* config/i386/i386.c (ix86_va_start): Update.
	(ix86_can_use_return_insn_p): Update.
	(ix86_compute_frame_layout): Update.
	(ix86_expand_epilogue): Update.
	* config/sh/sh.c (output_stack_adjust): Update.
	(calc_live_regs): Update.
	(sh_expand_prologue): Update.
	(sh_builtin_saveregs): Update.
	(sh_va_start): Update.
	(initial_elimination_offset): Update.
	(sh_allocate_initial_value): Update.
	(sh_function_ok_for_sibcall): Update.
	(sh_get_pr_initial_val): Update.
	* config/sh/sh.md (return expander): Update.
	* config/avr/avr.c (frame_pointer_required_p): UPdate.
	* config/crx/crx.c (crx_compute_frame): UPdate.
	(crx_initial_elimination_offset): UPdate.
	* config/xtensa/xtensa.c (compute_frame_size): Update
	(xtensa_builtin_saveregs): Update.
	(xtensa_va_start): Update.
	(order_regs_for_local_alloc): Update.
	* config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
	(xstormy16_expand_builtin_va_start): Update.
	* config/fr30/fr30.c (fr30_compute_frame_size): Update.
	* config/m68hc11/m68hc11.md (return expanders): Update.
	* config/m68hc11/m68hc11.c (expand_prologue): Update.
	(expand_epilogue): Update.
	* config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
	(cris_simple_epilogue): Update.
	(cris_expand_prologue): Update.
	(cris_expand_epilogue): Update.
	* config/iq2000/iq2000.c (iq2000_va_start): Update.
	(compute_frame_size): Update.
	* config/mt/mt.c (mt_compute_frame_size): Update.
	* config/mn10300/mn10300.c (expand_prologue): Update.
	(expand_epilogue): Update.
	(initial_offset): Update.
	(mn10300_builtin_saveregs):
	* config/mn10300/mn10300.md (return expander): Update.
	* config/ia64/ia64.c (ia64_compute_frame_size): Update.
	(ia64_initial_elimination_offset): Update.
	(ia64_initial_elimination_offset): Update.
	(ia64_expand_prologue): Update.
	* config/m68k/m68k.md (return expander): Update.
	* config/rs6000/rs6000.c (rs6000_va_start): Update.
	(rs6000_stack_info): Update.
	* config/mcore/mcore.c (layout_mcore_frame): Update.
	(mcore_expand_prolog): Update.
	* config/arc/arc.c (arc_compute_frame_size): Update.
	* config/score/score3.c (score3_compute_frame_size): Update.
	* config/score/score7.c (score7_compute_frame_size): Update.
	* config/arm/arm.c (use_return_insn): Update.
	(thumb_find_work_register): Update.
	(arm_compute_save_reg_mask): Update.
	(arm_output_function_prologue): Update.
	(arm_output_epilogue): Update.
	(arm_size_return_regs): Update.
	(arm_get_frame_offsets): Update.
	(arm_expand_prologue): Update.
	(thumb_exit): Update.
	(thumb_unexpanded_epilogue): Update.
	(thumb1_output_function_prologue): Update.
	* config/pa/pa.md (return expander): Update.
	* config/pa/pa.c (compute_frame_size): Update.
	(hppa_builtin_saveregs): Update.
	* config/mips/mips.c (mips_va_start): Update.
	(mips16_build_function_stub): Update.
	(mips_compute_frame_info): Update.
	(mips_restore_gp): Update.
	(mips_output_function_prologue): Update.
	(mips_expand_prologue): Update.
	* config/v850/v850.c (compute_frame_size): Update.
	(expand_prologue): * config/mmix/mmix.c (along): update.
	(mmix_initial_elimination_offset): update.
	(mmix_reorg): update.
	(mmix_use_simple_return): update.
	(mmix_expand_prologue): update.
	(mmix_expand_epilogue): Update.
	* config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
	(emit_link_insn): Update.

2008-04-08  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
	__AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
	instructions.
	* config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
	atmega103 device.

2008-04-07  Jan Hubicka  <jh@suse.cz>

	* function.h (rtl): Rename to x_rtl.
	(crtl): New define.
	(return_label, naked_return_label, stack_slot_list, parm_birth_insn,
	frame_offset, stack_check_probe_note, arg_pointer_save_area,
	used_temp_slots avail_temp_slots, temp_slot_level,
	nonlocal_goto_handler_labels): Update accesstors.
	(rtl): New global variable.
	(struct function): Move some fileds to rtl_data.
	(get_arg_pointer_save_area): Update prototype.
	* builtins.c (expand_builtin_setjmp_receiver): Update call of
	get_arg_pointer_save_area.
	* expr.c (init_expr): Update
	* function.c (get_frame_size): Update
	(assign_stack_local): Update
	(expand_function_end): Update.
	(get_art_pointer_save_area): Update
	* function.h 
	* emit-rtl.c (rtl): Declare.
	(regno_reg_rtx): Declare.
	(first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
	Update.
	(gen_reg_rtx): Update.
	* varasm.c (n_deferred_constatns): Update accestor.
	(init_varasm_status): Do not allocate varasm_status.
	(force_const_mem, get_pool_size, output_constant_pool): Update.
	* stmt.c (force_label_rtx): Do not use x_ prefixes.
	(expand_nl_goto_receiver): Update get_arg_pointer_save_area.
	* m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
	* sparc/sparc.h (INIT_EXPANDERS): Update.
	* ia64/ia64.h (INIT_EXPANDERS): Update.

2008-04-07  James E. Wilson  <wilson@tuliptree.org>

	* reload.c (push_secondary_reload): Add missing break to for loop.

2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>

	PR middle-end/PR28690
	* rtlanal.c: Update copyright years.
	(commutative_operand_precedence): Give SYMBOL_REF's the same precedence
	as REG_POINTER and MEM_POINTER operands.
	* emit-rtl.c (gen_reg_rtx_and_attrs): New function.
	(set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
	* rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
	* gcse.c: Update copyright years.
	(pre_delete): Call gen_reg_rtx_and_attrs.
	(hoist_code): Likewise.
	(build_store_vectors): Likewise.
	(delete_store): Likewise.
	* loop-invariant.c (move_invariant_reg): Likewise.
	Update copyright years.

2008-04-07  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
	control string instead of quoted.

2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* doc/rtl.texi: Rewrite of subreg section.

2008-04-07  Kai Tietz  <kai.tietz@onevision.com>

	PR/35842
	* config/i386/i386.c (legitimize_pic_address): Add treating
	of dllimport SYM_REF's.
	(legitimize_dllimport_symbol): Add prototype.

2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
	reference in constructor with non self-referential type.

2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>

	Removal of Return with Depressed Stack Pointer support
	* tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
	(ECF_SP_DEPRESSED): Likewise.
	(ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
	* calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
	(flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
	(expand_call): Do not test ECF_SP_DEPRESSED.
	* dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
	* function.c (keep_stack_depressed): Delete.
	(handle_epilogue_set): Likewise.
	(update_epilogue_consts): Likewise.
	(emit_equiv_load): Likewise.
	(thread_prologue_and_epilogue_insns): Remove support for Return with
	Depressed Stack Pointer.
	* print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.

2008-04-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35400
	* tree-vrp.c (vrp_evaluate_conditional): Only query value-range
	information from SSA_NAMEs.

2008-04-06  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (avr_mega_p): Remove declaration.
	(AVR_MEGA): Remove macro.
	* config/avr/avr.c (avr_mega_p): Remove variable.
	(avr_override_options): Remove inicializion of avr_mega_p.
	Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
	(print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
	(avr_jump_mode): (Ditto.).
	(avr_output_progmem_section_asm_op): (Ditto.).
	(avr_asm_init_sections): (Ditto.).
	(avr_asm_init_sections): (Ditto.).
	(avr_rtx_costs): (Ditto.).
	* config/avr/avr.md: (Ditto.).
	* config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
	'__AVR_MEGA__'.

2008-04-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35842
	* tree-ssa-address.c (fixed_address_object_p): Adjust to match
	is_gimple_invariant_address.

2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	* gcc.c (default_compilers): Sync Fortran extensions list with
	that in fortran/lang-specs.h.
	* doc/invoke.texi: Likewise.
	* dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
	* dwarf2out.c (gen_compile_unit_die): Likewise.

2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>

	* gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.

2008-04-05  Uros Bizjak  <ubizjak@gmail.com>

	PR target/12329
	* config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
	attribute is used for nested functions.

2008-04-05  Jan Hubicka  <jh@suse.cz>

	* emit-rtl.c (init_emit): xcalloc regno_pointer_align.

	* tree-dump.c (dump_enable_all): Remove prototype; do not accept
	letter argument.
	(dump_files): Update.
	(enable_rtl_dump_file): Do not accept letter argument.
	* tree-pass.h (dump_file_info): Remove letter argument.
	* toplev.c (decode_d_option): Update -da handling.
	* toplev.h (enable_rtl_dump_file): Update prototype.
	* passes.c (register_one_dump_file): Do not accept IPA argument; work
	it out based on pass type.
	(register_dump_files_1): Likewise.
	(init_optimization_passes): Update register_one_dump_file calls.
	(execute_one_pass): Sanity check that IPA passes are called at IPA
	level and RTL passes at RTL level.
	(execute_pass_list): IPA pass can not be after or subpass of
	GIMPLE/RTL pass.
	(execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
	disallov RTL subpasses of IPA subpasses.

2008-04-05  Ben Elliston  <bje@au.ibm.com>

	* tree-cfg.c (need_fake_edge_p): Return false for calls to
	builtins that return exactly once and do not throw. Cache call to
	call_expr_flags.

2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>

	PR rtl-optimization/34916
	PR middle-end/35519
	* combine.c (create_log_links): Do not create duplicate LOG_LINKS
	between instruction pairs.

2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>

	* doc/invoke.texi: Document -mbitops for SH.
	* config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
	* config/sh/predicates.md (bitwise_memory_operand): New	predicate.
	* config/sh/sh.c (print_operand): Add %t operand code.
	* config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
	* config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
	(extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
	(extendqihi2): Likewise.
	(movqi_i): Likewise.
	(insv): Use bset, bclr and bst instructions for SH2A if	possible.
	(extv): Use bld instruction for SH2A if possible.
	(extzv): Likewise.
	(bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
	bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
	bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
	(bset.b, bclr.b): Define peepholes.
	* config/sh/sh.opt (mbitops): New option.

2008-04-04  Janis Johnson  <janis187@us.ibm.com>

	PR target/35620
	* config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
	and view convert expression.

2008-04-04  Jakub Jelinek  <jakub@redhat.com>

	PR target/35364
	* tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.

2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.

	* config/i386/cpuid.h (bit_AES): New.
	(bit_PCLMUL): Likewise.

	* config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
	(override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
	SSE2 if AES or PCLMUL is enabled.
	(ix86_builtins): Add IX86_BUILTIN_AESENC128,
	IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
	IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
	IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
	(bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
	(bdesc_2arg): Add IX86_BUILTIN_AESENC128,
	IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
	IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
	(bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
	(ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
	__builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
	__builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
	__builtin_ia32_aeskeygenassist128 and
	__builtin_ia32_pclmulqdq128.
	* config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
	(ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
	IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.

	* config/i386/i386.h (TARGET_AES): New.
	(TARGET_PCLMUL): Likewise.
	(TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.

	* config/i386/i386.md (UNSPEC_AESENC): New.
	(UNSPEC_AESENCLAST): Likewise.
	(UNSPEC_AESDEC): Likewise.
	(UNSPEC_AESDECLAST): Likewise.
	(UNSPEC_AESIMC): Likewise.
	(UNSPEC_AESKEYGENASSIST): Likewise.
	(UNSPEC_PCLMUL): Likewise.

	* config/i386/i386.opt (maes): New.
	(mpclmul): Likewise.

	* config/i386/sse.md (aesenc): New pattern.
	(aesenclast): Likewise.
	(aesdec): Likewise.
	(aesdeclast): Likewise.
	(aesimc): Likewise.
	(aeskeygenassist): Likewise.
	(pclmulqdq): Likewise.

	* config/i386/wmmintrin.h: New.

	* doc/extend.texi: Document AES and PCLMUL built-in function.

	* doc/invoke.texi: Document -maes and -mpclmul.

2008-04-04  Paolo Bonzini  <bonzini@gnu.org>

	* function.c (free_after_parsing): Replace with
	cxx_push_function_context from C++ front-end.
	(allocate_struct_function): Don't call langhook.
	* langhooks.h (struct lang_hooks_for_functions): Delete.
	(struct lang_hooks): Add back missing_noreturn_ok_p here, delete
	member "function".
	* langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
	(LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
	LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
	LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
	(LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
	remove LANG_HOOKS_FUNCTION_INITIALIZER.
	* tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.

	* c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
	Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
	
2008-04-04  Jakub Jelinek  <jakub@redhat.com>

	PR c/35440
	* c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
	for all types.

2008-04-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35823
	* fold-const.c (optimize_minmax_comparison): Use the correct
	type for the constant in the simplified comparison.

2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>

	* config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
	Pass L2 size as "--param l2-cache-size" to the compiler.
	(decode_l2_cache): New function to decode L2 cache parameters using
	0x8000006 extended cpuid function.
	(detect_caches_amd): Determine parameters of L2 cache using
	decode_l2_caches function.
	(decode_caches_intel): Decode L2 cache parameters.
	(detect_caches_intel): Determine L2 cache parameters using
	decode_caches_intel and decode_l2_caches functions.

2008-04-03  Bob Wilson  <bob.wilson@acm.org>

	* config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
	secondary input reload for subword loads from the constant pool.

2008-04-03  Janis Johnson  <janis187@us.ibm.com>

	PR target/35713
	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
	  constants of the appropriate size for runtime calculations.

	PR c/35712
	* dfp.c (decimal_from_decnumber): Retain trailing zeroes for
	  decimal-float literal constant zero.

2008-04-03  Jakub Jelinek  <jakub@redhat.com>

	PR c/35738
	* c-parser.c (c_parser_omp_atomic): Call
	default_function_array_conversion on the RHS.

	PR middle-end/35818
	* omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
	call is_variable_sized if decl has incomplete type.

2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-protos.h (ix86_aligned_p): Removed.

2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
	iterators.
	(u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
	(sgt<u>): Merge sgt and sgtu into new expander.
	(sgt, sgtu): Remove expanders.
	(*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
	(*sgt_<mode>, *sgtu_<mode>): Remove patterns.
	(*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
	*sgtu_<mode>_mips16 into new pattern.
	(*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
	(sge<u>): Merge sge and sgeu into new expander.
	(sge, sgeu): Remove expanders.
	(*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
	new pattern.
	(*sge_<mode>, second *sge_<mode>): Remove patterns.
	(slt<u>): Merge slt and sltu into new expander.
	(slt, sltu): Remove expanders.
	(*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
	(*slt_<mode>, *sltu_<mode>): Remove patterns.
	(*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
	*sltu_<mode>_mips16 into new pattern.
	(*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
	(sle<u>): Merge sle and sleu into new expander.
	(sle, sleu): Remove expanders.
	(*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
	(*sle_<mode>, *sleu_<mode>): Remove patterns.
	(*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
	*sleu_<mode>_mips16 into new pattern.
	(*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.

2008-04-03  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/35795
	* alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
	* sparc/sparc.c (sparc_output_mi_thunk): Likewise.
	* ia64/ia64.c (ia64_output_mi_thunk): Likewise.
	* m68k/m68k.c (m68k_output_mi_thunk): Likewise.
	* score/score3.c (score3_output_mi_thunk): Likewise.
	* score/score7.c (score7_output_mi_thunk): Likewise.
	* mips/mips.c (mips_output_mi_thunk): Likewise.

2008-04-03  Richard Guenther  <rguenther@suse.de>

	* tree-vrp.c (extract_range_from_unary_expr): Handle all
	conversions.  Simplify code.

2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_output_mi_thunk): Free cfun.

2008-04-03  Tom Tromey  <tromey@redhat.com>
	    Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
	* config/bfin/t-bfin-linux (generated_files): Add
	linux-sysroot-suffix.h.
	* doc/install.texi (Prerequisites): Require make 3.80.
	* doc/sourcebuild.texi (Front End Directory): Document new
	variable.
	* Makefile.in (generated_files): New variable.
	(ALL_HOST_OBJS): New variable.
	($(ALL_HOST_OBJS)): New target.

2008-04-03  Paolo Bonzini  <bonzini@gnu.org>

	* tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
	(remap_block): Call id->transform_lang_insert_block instead
	of langhook.
	(optimize_inline_calls, unsave_expr_now, tree_function_versioning):
	Set id.transform_lang_insert_block to NULL.
	(clone_body): Move to cp/optimize.c
	* tree-inline.h (struct copy_body_data): Change
	transform_lang_insert_block to function pointer.
	(copy_generic_body, copy_decl_no_change): Export.
	* langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
	* langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
	(LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.

	* c-tree.h (insert_block): Kill.
	* c-decl.c (insert_block): Kill.

2008-04-03  Paolo Bonzini  <bonzini@gnu.org>

	* c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
	LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
	* c-tree.h (c_push_function_context, c_pop_function_context): Remove
	argument.
	* c-decl.c (c_push_function_context, c_pop_function_context): Remove
	argument, call {push,pop}_function_context from here.
	* c-parser.c: Use c_{push,pop}_function_context.

	* function.c (push_function_context_to): Move meat ...
	(push_function_context): ... here.  Simplify.
	* function.c (pop_function_context_from): Move meat ...
	(pop_function_context): ... here.  Simplify.
	* langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
	leave_nested).
	* langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
	LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
	(LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
	* tree.h (push_function_context_to, pop_function_context_from): Remove.

2008-04-03  Ben Elliston  <bje@au.ibm.com>

	* expmed.c (extract_force_align_mem_bit_field): Remove.

2008-04-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35800
	* expr.h (try_casesi): Adjust prototype.
	* expr.c (try_casesi): Take fallback label as extra parameter.
	Use that for gen_casesi if default_label is NULL.
	* stmt.c (expand_case): Pass fallback label to try_casesi,
	make sure to fill gaps with a fallback label if default_label
	is not present.

2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>

	PR target/35801
	* config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.

2008-04-03  Ben Elliston  <bje@au.ibm.com>

	* expmed.c (extract_split_bit_field): Remove if (0) code.
	* tree-ssa-structalias.c (do_sd_constraint): Likewise.
	(do_ds_constraint): Likewise.

2008-04-02  Joseph Myers  <joseph@codesourcery.com>

	* doc/cppopts.texi (-dU): Document.
	* c-common.h (flag_dump_macros): Update comment.
	* c-opts.c (handle_OPT_d): Handle -dU.
	* c-ppoutput.c (macro_queue, define_queue, undef_queue,
	dump_queued_macros, cb_used_define, cb_used_undef): New.
	(init_pp_output): Handle -dU.
	(cb_line_change): Call dump_queued_macros.
	* toplev.c (decode_d_option): Accept -dU as preprocessor option.

2008-04-02  Anatoly Sokolov <aesok@post.ru>

	* config/avr/predicates.md (io_address_operand): New predicate. 
	* config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
	* config/avr/avr.c (avr_io_address_p): Remove function.
	(out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
	'avr_io_address_p' function.
	(out_movhi_r_mr): (Ditto.).
	(out_movqi_mr_r): (Ditto.).
	(out_movhi_mr_r): (Ditto.).
	(avr_address_cost): (Ditto.).

2008-04-02  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
	Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
	in 32bit mode when XMM registers are available to avoid store
	forwarding stalls.
	(floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
	corresponding post-reload splitters.

2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
	and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
	__builtin_ia32_roundss.
	(ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
	__builtin_ia32_shufpd, __builtin_ia32_roundsd and
	__builtin_ia32_roundss.
	(ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
	IX86_BUILTIN_SHUFPD here.

2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (plogic): New.
	(plogicprefix): Likewise.

	* config/i386/mmx.md (mmx_<code><mode>3): New.
	(mmx_and<mode>3): Removed.
	(mmx_ior<mode>3): Likewise.
	(mmx_xor<mode>3): Likewise.

	* config/i386/sse.md (<code><mode>3): New.
	(*<code><mode>3): Likewise.
	(*<code><mode>3): Likewise.
	(<code><mode>3): Likewise.
	(*sse_<code><mode>3): Likewise.
	(*sse2_<code><mode>3): Likewise.
	(<code>tf3): Likewise.
	(*<code>tf3): Likewise.
	(and<mode>3): Likewise.
	(*and<mode>3): Likewise.
	(ior<mode>3): Removed.
	(*ior<mode>3): Likewise.
	(xor<mode>3): Likewise.
	(*xor<mode>3): Likewise.
	(*and<mode>3): Likewise.
	(*ior<mode>3): Likewise.
	(*xor<mode>3): Likewise.
	(and<mode>3): Likewise.
	(*sse_and<mode>3): Likewise.
	(*sse2_and<mode>3): Likewise.
	(andtf3): Likewise.
	(*andtf3): Likewise.
	(ior<mode>3): Likewise.
	(*sse_ior<mode>3): Likewise.
	(*sse2_ior<mode>3): Likewise.
	(iortf3): Likewise.
	(*iortf3): Likewise.
	(xor<mode>3): Likewise.
	(*sse_xor<mode>3): Likewise.
	(*sse2_xor<mode>3): Likewise.
	(xortf3): Likewise.
	(*xortf3): Likewise.

2008-04-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/14495
	PR tree-optimization/34793
	* tree-vrp.c (struct switch_update): New structure.
	(to_remove_edges, to_update_switch_stmts): New VECs.
	(simplify_switch_using_ranges): New function.  Remove not taken
	case labels and edges.
	(simplify_stmt_using_ranges): Call it.
	(identify_jump_threads): Mark edges we have queued for removal
	so we don't thread them.
	(execute_vrp): Remove edges queued for removal, update SWITCH_STMT
	case label vector.
	* tree-cfg.c (group_case_labels): Deal with missing default label.
	(tree_verify_flow_info): Allow missing default label.
	* stmt.c (emit_case_bit_tests): Deal with NULL default_label.
	(emit_case_nodes): Likewise.
	(expand_case): Do not rely on the default label to be present.
	* expr.c (try_casesi): Deal with NULL default_label.
	(do_tablejump): Likewise.

2008-04-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/14495
	* tree-vrp.c (vrp_visit_cond_stmt): Do not handle
	SWITCH_EXPR here ...
	(vrp_visit_switch_stmt): ... but here (new function).
	(find_case_label_index): New helper function.
	(vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.

2008-04-02  Paolo Bonzini  <bonzini@gnu.org>

	* fwprop.c: Fix ISO-C99ism.

2008-04-02  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35752
	* Makefile.in (objdir): Set it here.
	* configure.ac: Not here.  Find dynamic linker characteristics.
	* exec-tool.in: Use them.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

2008-04-02  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (expand_var): Delete it.
	* expr.h (expand_var): Delete prototype.
	* function.c (expand_function_start): Use expand_decl instead.
	* cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
	langhook.

2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>

	PR rtl-optimization/35542
	* fwprop.c (forward_propagate_and_simplify): Replace
	loc_reg_mentioned_in_p with reg_mentioned_p.

2008-04-02  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/35281
	* fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
	(propagate_rtx_1): Handle PR_HANDLE_MEM.
	(propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
	(varying_mem_p): Move above propagate_rtx.
	(all_uses_available_at): Do not check MEMs.

2008-04-02  Rafael Espindola  <espindola@google.com>

	* tree-vrp.c (extract_code_and_val_from_cond): Remove.
	(register_edge_assert_for_2): Split the cond argument.
	(register_edge_assert_for_1): Adjust for the change in
	register_edge_assert_for_2.
	(register_edge_assert_for): Split the cond argument.
	(find_switch_asserts): Adjust for the change in
	register_edge_assert_for.

2008-04-02  Kai Tietz  <kai.tietz@onevision.com>

	* config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
	* config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
	offsets for 64-bit mingw.
	* config/i386/i386.c (ix86_pass_by_reference): Correct calling
	abi for x86_64-pc-mingw.

2008-04-02  Richard Guenther  <rguenther@suse.de>

	* tree-vrp.c (extract_range_from_assert): Make sure to not
	produce range min/max with TREE_OVERFOW set.
	If merging a anti-range and a range keep the anti-range if
	the range covers all values of the type.
	(register_edge_assert_for_2): Only allow sign-changing
	conversions in detecting canonical range checks.  Also
	register an assert for the unsigned name if useful.

	PR tree-optimization/35787
	* tree-vrp.c (vrp_val_max): New function.
	(vrp_val_min): Likewise.
	(vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
	(vrp_val_is_min): Likewise.
	(supports_overflow_infinity): Use vrp_val_{min,max}.
	(negative_overflow_infinity): Likewise.
	(positive_overflow_infinity): Likewise.
	(is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
	(is_positive_overflow_infinity): Likewise.
	(is_overflow_infinity): Likewise.
	(avoid_overflow_infinity): Use vrp_val_{min,max} and
	vrp_val_is_{min,max}.
	(set_and_canonicalize_value_range): Canonicalize anti-ranges
	to ranges if possible.  Avoid empty ranges.

2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/35705
	* fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
	the expression is a function address.

2008-04-01  George Helffrich  <george@gcc.gnu.org>

	PR fortran/35154, fortran/23057
	* dbxout.c: Emit .stabs debug info for Fortran COMMON block
	variables as base symbol name + offset using N_BCOMM/N_ECOMM.
	(is_fortran, dbxout_common_name, dbxout_common_check): New functions.
	(dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
	in common.
	(dbxout_syms): Check for COMMON-based symbol and wrap in
	N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
	in bracket for efficiency.

	* dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
	using DW_TAG_common_block + member offset.
	(add_pubname_string): New function.
	(dw_expand_expr): New function to find block name and offset for
	COMMON var.
	(common_check): New function to check whether symbol in Fortran COMMON.
	(gen_variable_die): If COMMON, use DW_TAG_common_block.

2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>

	PR c/35436
	* c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.

2008-04-02  Ben Elliston  <bje@au.ibm.com>

	* config/v850/v850.md (casesi): Remove if (0) code.
	* config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
	* config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.

2008-04-01  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (rex64suffix): New mode attribute.
	(floathi<mode>2): Disable expander for SSE math.
	(*floathi<mode>2_1): New insn insn_and_split pattern.
	(*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
	corresponding post-reload splitters.
	(*floathi<mode>2_i387): New macroized insn pattern.
	(float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
	(*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
	insn_and_split pattern.
	(*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
	New macroized instruction patterns and corresponding post-reload
	splitters.
	(*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
	and corresponding post-reload splitters.
	(*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
	New macroized instruction patterns.
	(*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
	macroized instruction patterns and corresponding post-reload splitters.
	(*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
	corresponding post-reload splitters.
	(*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
	New macroized instruction patterns.
	(*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
	corresponding post-reload splitters.
	(*floatsi<mode>2_i387): New macroized instruction patterns.

2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (smaxmin): New.
	(umaxmin): Likewise.
	(maxminiprefix): Likewise.
	(maxminfprefix): Likewise.
	(<code><mode>3): Likewise.
	(smin<mode>3): Removed.
	(smax<mode>3): Likewise.

	* config/i386/mmx.md (mmx_<code>v2sf3): New.
	(mmx_<code>v4hi3): Likewise.
	(mmx_<code>v8qi3): Likewise.
	(mmx_smaxv2sf3): Removed.
	(mmx_sminv2sf3): Likewise.
	(mmx_umaxv8qi3): Likewise.
	(mmx_smaxv4hi3): Likewise.
	(mmx_uminv8qi3): Likewise.
	(mmx_sminv4hi3): Likewise.

	* config/i386/sse.md (<addsub><mode>3): New.
	(*<addsub><mode>3): Likewise.
	(<sse>_vm<addsub><mode>3): Likewise.
	(<maxmin><mode>3): Likewise.
	(*<maxmin><mode>3_finite): Likewise.
	(*<maxmin><mode>3): Likewise.
	(<sse>_vm<maxmin><mode>3): Likewise.
	(sse3_h<addsub>v4sf3): Likewise.
	(sse3_h<addsub>v2df3): Likewise.
	(<maxmin>v16qi3): Likewise.
	(*<maxmin>v16qi3): Likewise.
	(<maxmin>v8hi3): Likewise.
	(*<maxmin>v8hi3): Likewise.
	(*sse4_1_<maxmin><mode>3): Likewise.
	(*sse4_1_<maxmin><mode>3): Likewise.
	(add<mode>3): Removed.
	(*add<mode>3): Likewise.
	(<sse>_vmadd<mode>3): Likewise.
	(sub<mode>3): Likewise.
	(*sub<mode>3): Likewise.
	(<sse>_vmsub<mode>3): Likewise.
	(smin<mode>3): Likewise.
	(*smin<mode>3_finite): Likewise.
	(*smin<mode>3): Likewise.
	(<sse>_vmsmin<mode>3): Likewise.
	(smax<mode>3): Likewise.
	(*smax<mode>3_finite): Likewise.
	(*smax<mode>3): Likewise.
	(<sse>_vmsmax<mode>3): Likewise.
	(sse3_haddv4sf3): Likewise.
	(sse3_haddv2df3): Likewise.
	(sse3_hsubv4sf3): Likewise.
	(sse3_hsubv2df3): Likewise.
	(umaxv16qi3): Likewise.
	(*umaxv16qi3): Likewise.
	(smaxv8hi3): Likewise.
	(*smaxv8hi3): Likewise.
	(*sse4_1_smax<mode>3): Likewise.
	(*sse4_1_umax<mode>3): Likewise.
	(uminv16qi3): Likewise.
	(*uminv16qi3): Likewise.
	(sminv8hi3): Likewise.
	(*sminv8hi3): Likewise.
	(*sse4_1_smin<mode>3): Likewise.
	(*sse4_1_umin<mode>3): Likewise.

2008-04-01  Rafael Espindola  <espindola@google.com>

	* tree-cfg.c (verify_expr): remove in_phi.
	(verify_stmt): Don't call walk_tree with verify_expr. Use
	is_gimple_min_invariant instead of is_gimple_val.

2008-04-01  Joseph Myers  <joseph@codesourcery.com>

	* doc/include/gpl_v3.texi: Update for manpage generation.
	* doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
	gpl.texi.
	* doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
	* Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
	gpl_v3.texi instead of gpl.texi.
	(gpl.pod): New.

2008-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR pch/13675
	* c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).

2008-04-01  Rafael Espindola  <espindola@google.com>

	* tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
	(extract_code_and_val_from_cond): Use
	extract_code_and_val_from_cond_with_ops.

2008-04-01  Jan Hubicka  <jh@suse.cz>

	* function.c (free_after_compilation): Free epilogue_delay_list.
	(prepare_function_start): Assert that previous compilation was freed.

2008-04-01  Jan Hubicka  <jh@suse.cz>
	    Jim Wilson  <wilson@tuliptree.org>
	    Andreas Tobler <andreast@gcc.gnu.org>

	PR middle-end/35781
	* m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
	rtl.emit instead cfun->emit.
	* sparc/sparc.h (INIT_EXPANDERS): Likewise.
	* ia64/ia64.h (INIT_EXPANDERS): Likewise.

2008-04-01  Ben Elliston  <bje@au.ibm.com>

	* doc/c-tree.texi (Function Basics): Fix grammatical error.

2008-03-31  Seongbae Park <seongbae.park@gmail.com>

	* common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
	New options
	(fprofile-use): Add var flag_profile_use
	* coverage.c (coverage_begin_output): Do not open a gcno file for
	output only if -ftest-coverage is set.
	Do not add getpwd() to gcda file path.
	(build_gcov_info): Check the new flag
	flag_profile_datafile_relative_path.
	(coverage_init): Use profile_data_prefix.
	Read profile counter only if flag_profile_use is set.
	* opts.c (common_handle_option): New option fprofile-use=,
	fprofile-dir=, fprofile-generate=.
	* toplev.c (profile_data_prefix): New variable definition.
	* toplev.h (profile_data_prefix): New declaration.
	* doc/invoke.tex (Option Summary, Optimization Options):
	Add new options.

2008-03-31  James E. Wilson  <wilson@tuliptree.org>

	* varasm.c (output_constant_pool_1): In LABEL_REF check,
	use tmp consistently.

	PR target/35695
	* config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
	* config/ia64/ia64.c (rtx_needs_barrier): Handle
	UNSPEC_FR_RECIP_APPROX_RES.
	* config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.

2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>

	PR c/35750
	* c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.

2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR middle-end/30186
	* fold-const.c (fold_indirect_ref_1): Support accessing non first
	element of the vector via a pointer.

2008-03-31  Ian Lance Taylor  <iant@google.com>

	* tlink.c (scan_linker_output): Look for symbol name in single quotes.

2008-03-31  Jan Hubicka  <jh@suse.cz>

	* builtins.c (expand_builtin_setjmp_receiver): Update call of
	get_arg_pointer_save_area.
	* expr.c (init_expr): Just clear out rtl.expr.
	* function.c (free_after_compilation): Clear out whole RTL structure.
	(get_func_frame_size): Merge into ...
	(get_frame_size): ... this one.
	(assign_stack_local_1): Merge into ...
	(assign_stack_local): ... this one.
	(expand_function_end): Update call of get_arg_pointer_save_area.
	(get_art_pointer_save_area): Remove cfun argument.
	* function.h (emit_status): regno_pointer_align does not need length
	attribute. Move x_regno_reg_rtx to ...
	(regno_reg_rtx): ... new global array.
	(reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
	(pending_stack_adjust, inhibit_defer_pop, saveregs_value,
	apply_args_value, forced_labels, stack_pointer_delta):
	Update accestors.
	(struct varasm_status): Move here from varasm.c
	(struct rtl_data): New. Move here some fields from struct function.
	(return_label, naked_return_label, stack_slot_list, parm_birth_insn,
	frame_offset, stack_check_probe_note, arg_pointer_save_area,
	used_temp_slots avail_temp_slots, temp_slot_level,
	nonlocal_goto_handler_labels): Update accesstors.
	(rtl): New global variable.
	(struct function): Move some fileds to rtl_data.
	(get_arg_pointer_save_area): Update prototype.
	* emit-rtl.c (rtl): Declare.
	(regno_reg_rtx): Declare.
	(first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
	Update.
	(gen_reg_rtx): Update.
	(init_virtual_regs): Do not tate emit_status argument.
	(init_emit): Do not allocate emit.
	* varasm.c (varasm_statuc): Move to function.h.
	(n_deferred_constatns): Update accestor.
	(init_varasm_status): Do not allocate varasm_status.
	(force_const_mem, get_pool_size, output_constant_pool): Update.
	* stmt.c (force_label_rtx): Do not use x_ prefixes.
	(expand_nl_goto_receiver): Update get_arg_pointer_save_area.

2008-03-31  Zdenek Dvorak  <ook@ucw.cz>

	PR rtl-optimization/35729
	* loop-invariant.c (check_maybe_invariant): Disallow volatile memory
	references.

2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/32000
	* config/i386/i386.md (*movti_internal): Emit unaligned SSE
	load/store if memory is unaligned.
	(*movti_rex64): Likewise.

	* config/i386/predicates.md (misaligned_operand): New.

2008-03-31  Andrew Pinski  <pinskia@gmail.com>

	PR tree-opt/35431
	* tree-ssa-phiopt.c (conditional_replacement): Return early for
	complex types.

2008-03-31  Jan Beulich  <jbeulich@novell.com>

	* config/ia64/constraints.md: Add 'j' constraint.
	* config/ia64/ia64.md (movsi_internal): Add addp4 case.
	(movdi_internal): Likewise.

2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>

	PR c/35748
	* c-typeck.c (build_c_cast): Skip invalid fields in unions.

2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35757
	* config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
	proper error message for the third argument on blendpd and
	blendps.

	* config/i386/sse.md (blendbits): New.
	(sse4_1_blendp<ssemodesuffixf2c>): Use it.

2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.

2008-03-30  Richard Guenther  <rguenther@suse.de>

	PR middle-end/31023
	* fold-const.c (fold_sign_changed_comparison): Do leave
	conversions to base-types alone.

2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	* config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
	the link register if one altivec register is be saved.

2008-03-30  Ben Elliston  <bje@au.ibm.com>

	* final.c (final_scan_insn): Remove if (0) code.

2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>

	* c-parser.c (c_parser_next_token_is_keyword): Simplify.

2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
	of V4SFmode to ix86_binary_operator_ok.

2008-03-28  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (override_options): Initialize
	ix86_veclib_handler to ix86_veclibabi_svml when
	-mveclibabi=svml is used.
	(ix86_veclibabi_svml): New function for SVML ABI style
	vectorization support.
	* doc/invoke.texi (-mveclibabi) [svml]: Document new target option.

2008-03-28  Rafael Espindola  <espindola@google.com>

	* fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
	(tree_binary_nonnegative_warnv_p): Make it public.
	(tree_single_nonnegative_warnv_p): Make it public.
	(tree_invalid_nonnegative_warnv_p): Make it public.
	(tree_unary_nonzero_warnv_p): Make it public.
	(tree_binary_nonzero_warnv_p): Make it public
	(tree_single_nonzero_warnv_p): Make it public.
	* tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
	(extract_range_from_binary_expr): Split the expr argument.
	(extract_range_from_unary_expr): Split the expr argument.
	(extract_range_from_comparison): Split the expr argument.
	(extract_range_from_expr): Use the new aux functions.
	(vrp_evaluate_conditional_warnv): Use
	vrp_evaluate_conditional_warnv_with_ops.
	* tree.h (tree_unary_nonzero_warnv_p): Declare.
	(tree_binary_nonzero_warnv_p): Declare.
	(tree_single_nonzero_warnv_p): Declare.
	(tree_expr_nonzero_warnv_p): Declare.
	(tree_unary_nonnegative_warnv_p): Declare.
	(tree_binary_nonnegative_warnv_p): Declare.
	(tree_single_nonnegative_warnv_p): Declare.
	(tree_invalid_nonnegative_warnv_p): Declare.

2008-03-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/30317
	PR tree-optimization/30911
	PR tree-optimization/34793
	* tree-vrp.c (set_and_canonicalize_value_range): New function.
	(struct assert_locus_d): New member EXPR.
	(register_new_assert_for): Add EXPR parameter to support
	ASSERT_EXPR <name, expr OP limit>.
	(register_edge_assert_for_1): Adjust callers.
	(find_assert_locations): Likewise.
	(process_assert_insertions_for): Build condition from expression.
	(extract_range_from_assert): Handle ASSERT_EXPRs
	of the form ASSERT_EXPR <name, expr OP limit>.
	(register_edge_assert_for_2): New helper registering
	asserts for comparisons.  Recognize range tests of the form
	(unsigned)i - CST1 OP CST2.
	(register_edge_assert_for_1): Use it.
	(register_edge_assert_for): Likewise.
	(needs_overflow_infinity): Integer sub-types
	do not need overflow infinities.
	(vrp_val_is_max): The extreme values of integer sub-types
	are those of the base type.
	(vrp_val_is_min): Likewise.
	* tree.def (ASSERT_EXPR): Document extra allowed conditional
	expressions.

2008-03-28  Nick Clifton  <nickc@redhat.com>

	PR target/31110
	* config/mn10300/mn10300.c (mn10300_secondary_reload_class):
	Return GENERAL_REGS for stack adjustment reloads.

2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR target/31334
	* config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
	const_vector when all the vectors are constant.

2008-03-27  Bob Wilson  <bob.wilson@acm.org>

	* config/xtensa/xtensa.c (gen_float_relational): Handle unordered
	comparisons.
	* config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
	(any_scc_sf): Add uneq, unlt, unle and unordered operators.
	(scc_sf): New.
	(s<code>_sf): Use new scc_sf attribute for opcode names.

2008-03-27  Tom Tromey  <tromey@redhat.com>

	* doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
	configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
	config/spu/t-spu-elf, config/i386/t-interix,
	config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
	config/i386/x-darwin, config/i386/x-mingw32,
	config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
	config/sh/t-sh, config/sh/t-symbian, config/x-linux,
	config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
	config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
	config/rs6000/x-rs6000, config/rs6000/x-darwin64,
	config/rs6000/x-darwin, config/rs6000/t-rs6000,
	config/score/t-score-elf, config/arm/t-strongarm-pe,
	config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
	config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
	Revert automatic dependency patch.

2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35657
	* config/i386/i386.c (ix86_function_arg_boundary): Align
	decimal floating point to its natural boundary.

2008-03-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35716
	* fold-const.c (fold_comparison): Restrict distinct decl
	comparison folding to VAR_DECLs and PARM_DECLs.  Do not
	solely rely on operand_equal_p.

2008-03-27  Richard Guenther  <rguenther@suse.de>

	PR c/32511
	* c-common.c (handle_weak_attribute): Reject combination of
	weak and inline.

2008-03-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/32810
	* tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
	conversions from DECL_INITIAL.
	(fold_const_aggregate_ref): Likewise from constructor elements.

2008-03-27  Zdenek Dvorak  <ook@ucw.cz>

	* tree-affine.h (aff_combination_expand): Declare.
	(get_inner_reference_aff): Likewise.
	* tree-affine.c	(aff_combination_expand): Split out from
	tree_to_aff_combination_expand.
	(get_inner_reference_aff): New function.
	* tree-parloops.c (loop_parallel_p): Free vectorizer info.
	* tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
	(struct lim_aux_data): sm_done field removed.
	(mem_ref_loc_p, mem_ref_locs_p): New types.
	(struct mem_ref): Added id, stored, accesses_in_loop,
	indep_loop, dep_loop, indep_ref, dep_ref fields.
	Removed is_stored, locs and next fields.
	(memory_accesses): New variable.
	(movement_possibility): Do not allow moving statements
	that store to memory.
	(outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
	New functions.
	(determine_max_movement): For statements with memory references,
	find the outermost loop in that the reference is independent.
	(move_computations_stmt): Mark the virtual operands for renaming.
	(memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
	gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
	vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
	add_vop_ref_mapping, create_vop_ref_mapping_loop,
	create_vop_ref_mapping, analyze_memory_references,
	cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
	get_all_locs_in_loop, ref_always_accessed_p,
	refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
	ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
	store_motion_loop, store_motion): New functions.
	(struct vop_to_refs_elt): New type.
	(record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
	memref_hash, memref_eq, hoist_memory_references): Rewritten.
	(schedule_sm): Replaced by...
	(execute_sm): ... this.
	(determine_lsm_ref, hoist_memory_references,
	loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
	find_more_ref_vops, free_mem_ref, free_mem_refs,
	determine_lsm_loop, determine_lsm): Removed.
	(tree_ssa_lim_finalize): Free data structures used by store motion.
	(tree_ssa_lim): Call analyze_memory_references.  Use
	store_motion instead of determine_lsm.

2008-03-27  Paolo Bonzini  <bonzini@gnu.org>

	* config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
	rename tmake_file to m68hc11/t-m68hc11.
	(mcore): Set inhibit_libc to true.
	* config.host (alpha*-dec-*vms*): Set extra_programs.
	(interix3*): Don't use host_xmake_file.
	* configure.ac: Let config.gcc override inhibit_libc.
	* configure: Regenerate.

	* config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
	* config/t-openbsd-thread: Remove commented out lines.
	
	* config/x-interix: Remove.

	* config/m68hc11/t-m68hc11-gas: Rename to...
	* config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.

	* config/mcore/t-mcore: Remove T_CFLAGS.
	* config/mcore/t-mcore-pe: Likewise.

2008-03-27  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Replace custom __GNU_SOURCE test with
	AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.
	* config.in: Regenerate.

2008-03-27  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (target.h): Include.
	(fold_comparison): Fold comparison of addresses of decls
	that bind locally or of constants.  Consolidate address folding code.
	* tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
	results from fold_binary_to_constant.
	(compare_values_warnv): Likewise.

2008-03-27  Andrew Pinski  <pinskia@gmail.com>

	PR middle-end/35429
	* fold-const.c (fold_truthop): Check for integeral types when folding
	a == 0 && b == 0 and a != 0 || b != 0 .

2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.

2008-03-26  Andreas Schwab  <schwab@suse.de>

	* doc/invoke.texi: Fix use of @item vs. @itemx.

2008-03-26  Tom Tromey  <tromey@redhat.com>

	* Makefile.in (build/gensupport.o, build/print-rtl.o,
	build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
	build/genattrtab.o, build/genautomata.o, build/gencheck.o,
	build/gencodes.o, build/genconditions.o, build/genconfig.o,
	build/genconstants.o, build/genemit.o, build/genextract.o,
	build/genflags.o, build/genmddeps.o, build/genopinit.o,
	build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
	options.h.

2008-03-26  Richard Guenther  <rguenther@suse.de>

	Revert
	2008-03-26  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (target.h): Include.
	(fold_comparison): Fold comparison of addresses of two decls
	that bind locally.  Consolidate address folding code.

2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (expand_builtin_pow, fold_builtin_cabs,
	fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
	fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
	dconstsqrt2, dconstthird, dconste and/or dconst10.
	* config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
	* emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
	dconstsqrt2, dconste): Delete.
	(init_emit_once): Likewise.  Simplify initializing dconstm1.
	Constify variable.
	* real.c (get_real_const): New.
	* real.h (dconst3, dconst10, dconstm2, dconstthird,
	dconstsqrt2, dconste): Delete.
	(real_value_const, get_real_const): New.

2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.

	* config/i386/i386.c (ix86_function_arg_boundary): Check
	BIGGEST_ALIGNMENT instead of 128.
	(setup_incoming_varargs_64): Likewise.

2008-03-26  Tom Tromey  <tromey@redhat.com>

	* Makefile.in (DEPFILES): Add missing '/'.

2008-03-26  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (target.h): Include.
	(fold_comparison): Fold comparison of addresses of two decls
	that bind locally.  Consolidate address folding code.

2008-03-26  Nick Clifton  <nickc@redhat.com>

	PR target/31232
	* config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
	not allow INT+INT as a legitimate addressing mode.

2008-03-26  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (widen_bitfield): Remove declaration.
	* tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
	(widen_bitfield): Remove function.
	* tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
	code.

2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR target/31558
	* config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
	error_mark_node's.

2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/35232
	* reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
	(forget_old_reloads_1, forget_marked_reloads): Don't clear
	reg_reloaded_call_part_clobbered here.
	(reload_regs_reach_end_p): New function.
	(reload_reg_rtx_for_input): New variable.
	(reload_reg_rtx_for_output): Likewise.
	(emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
	when reassigning a pseudo register.  Load reloadreg from 
	reload_reg_rtx_for_input, moving the mode and register
	calculation to...
	(do_input_reload): ...here.  Use the mode-adjusted reg_rtx
	instead of the original when deciding whether an input reload
	would be a no-op or whether an output reload can be deleted.
	(emit_output_reload_insns): Use the mode-adjusted reg_rtx
	when setting up new_spill_reg_store.  Load it from
	reload_reg_rtx_for_output, moving the mode and register
	calculation to...
	(do_output_reload): ...here.  Use the mode-adjusted reg_rtx
	instead of the original when deciding whether an output reload
	would be a no-op.  Do the same when modifying insn notes.
	Use rtx_equal_p instead of == to compare the registers.
	(inherit_piecemeal_p): Take a mode and two register numbers
	as argument.
	(emit_reload_insns): Clear new_spill_reg_store for every hard
	register in the reload register.  Remove spill registers
	from reg_reloaded_valid before considering whether to record
	inheritance information for them.  Use reload_reg_rtx_for_output
	instead of reg_rtx when recording output reloads.  Use
	reload_reg_rtx_for_input instead of reg_rtx when recording
	input reloads.  Set or clear reg_reloaded_call_part_clobbered
	at the same time as setting reg_reloaded_valid.
	(delete_output_reload): Add a new_reload_reg parameter and use it
	instead of rld[j].reg_rtx.
	(emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
	calls accordingly.

2008-03-25  Tom Tromey  <tromey@redhat.com>

	* Makefile.in (build/gensupport.o): Depend on insn-modes.h.
	(build/genattr.o): Likewise.
	(build/genattrtab.o): Likewise.
	(build/gencodes.o): Likewise.
	(build/genconfig.o): Likewise.
	(build/genconstants.o): Likewise.
	(build/genemit.o): Likewise.
	(build/genextract.o): Likewise.
	(build/genflags.o): Likewise.

2008-03-25  Bob Wilson  <bob.wilson@acm.org>
	
	* config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
	instead of size_int for integer types.
	(xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
	to match type of MINUS_EXPR.
	
2008-03-25  Tom Tromey  <tromey@redhat.com>

	* configure: Rebuilt.
	* configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
	Makefile.

2008-03-25  Tom Tromey  <tromey@redhat.com>

	* config/x-solaris (host-solaris.o): Update.
	* config/x-linux (host-linux.o): Update.
	* config/x-hpux (host-hpux.o): Update.
	* config/x-darwin (host-darwin.o): Update.
	* config/v850/t-v850e (v850-c.o): Update.
	* config/v850/t-v850 (v850-c.o): Update.
	* config/t-vxworks (vxworks.o): Update.
	* config/t-sol2 (sol2-c.o, sol2.o): Update.
	* config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
	* config/spu/t-spu-elf (spu-c.o): Update.
	(spu.o): Remove.
	* config/sh/t-symbian (sh-c.o): Update.
	(symbian.o): Update.
	* config/sh/t-sh (sh-c.o): Update.
	* config/score/t-score-elf (score7.o, score3.o): Update.
	* config/rs6000/x-rs6000 (driver-rs6000.o): Update.
	* config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
	* config/rs6000/x-darwin (host-ppc-darwin.o): Update.
	* config/rs6000/t-rs6000 (rs6000-c.o): Update.
	(rs6000.o): Remove.
	* config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
	* config/m32c/t-m32c (m32c-pragma.o): Update.
	* config/ia64/t-ia64 (ia64-c.o): Update.
	* config/i386/x-mingw32 (host-mingw32.o): Update.
	* config/i386/x-i386 (driver-i386.o): Update.
	* config/i386/x-darwin (host-i386-darwin.o): Update.
	* config/i386/x-cygwin (host-cygwin.o): Update.
	* config/i386/t-nwld (nwld.o): Update.
	* config/i386/t-netware (netware.o): Update.
	* config/i386/t-interix (winnt.o): Update.
	* config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
	* config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
	msformat-c.o): Update.
	* config/bfin/t-bfin-linux (generated_files): Add
	linux-sysroot-suffix.h.
	* config/arm/t-wince-pe (pe.o): Update.
	* config/arm/t-strongarm-pe (pe.o): Update.
	* config/arm/t-pe (pe.o): Update.
	* config/arm/t-arm (arm-c.o): Update.
	* doc/install.texi (Prerequisites): Require make 3.80.
	* Makefile.in: Remove .o targets.
	(CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
	(OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
	(simple_generated_h, simple_generated_c): Move earlier.
	(generated_files): New variable.
	(TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
	TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
	BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
	ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
	REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
	CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
	CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
	INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
	PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
	TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
	DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
	VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
	(.c.o): Remove.
	(COMPILE.base, COMPILE): New variables.
	(%.o): New pattern rule.
	(ALL_HOST_OBJS): New variable.
	(xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
	(dummy-checksum.o, cc1-checksum.o): Remove.
	(DRIVER_SHLIB): New variable.
	(DRIVER_DEFINES): Use it.
	(gencondmd.c): Move out of build/.
	(s-conditions): Update.
	(BUILDCOMPILE.base, BUILDCOMPILE): New variables.
	(ALL_BUILD_OBJS): Likewise.
	(build/%.o): Use BUILDCOMPILE.
	(build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
	build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
	build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
	build/gencheck.o, build/gencodes.o, build/genconditions.o,
	build/genconfig.o, build/genconstants.o, build/genemit.o,
	build/genextract.o, build/genflags.o, build/genmddeps.o,
	build/genopinit.o, build/genoutput.o, build/genpeep.o,
	build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
	build/gen-protos.o, build/scan.o, build/fix-header.o,
	build/scan-decls.o): Simplify.
	(collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
	cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
	prefix.o, toplev.o): Reduce to variable setting.
	(libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
	($(out_object_file), gcc-options.o): New targets.
	($(ALL_HOST_OBJS)): New target.  Include dependency files.
	* configure: Rebuilt.
	* configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
	* doc/sourcebuild.texi (Front End Directory): Document new variable.

2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>

	* c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
	complain when we hit an error, return ERROR_MARK_NODE.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/constraints.md (Pso, Psz): New constraints.
	* config/sh/sh.c (print_operand): Add %V and %W operand codes.
	* config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
	* config/sh/sh.md (xorsi3_movrt, movrt): New insns.

2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/sh.md (prefetch): Add condition for SH2A target.
	(prefetch_sh2a): New.	

2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
	    Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/constraints.md (I28): New constraint.
	* config/sh/sh.c (broken_move): Add support for movi20s.
	* config/sh/sh.md (movsi_ie): Add the alternative for movi20s.

2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
	    Jayant Sonar  <Jayant.sonar@kpitcummins.com>
	    Naveen.H.S  <naveen.hs@kpitcummins.com>

	* config/sh/sh.c (SH_ATTRIBUTES): Define.
	(SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
	(print_operand): Handle resbank in %@ operand code.
	(sh_encode_section_info): New.
	(push_regs): Add conditions for resbank.
	(sh_expand_epilogue): Likewise.
	(sh_insert_attributes): Likewise.
	(sh_attribute_table): Likewise.
	(sh_handle_resbank_handler_attribute): New.
	(sh2a_handle_function_vector_handler_attribute): New.
	(sh2a_is_function_vector_call): New.
	(sh2a_get_function_vector_number): New.
	(sh2a_function_vector_p): New.
	(sh_cfun_resbank_handler_p): New.
	* config/sh/sh.md (calli): Emit jsr/n if possible.
	(calli_tbr_rel): New.
	(calli_pcrel): Emit jsr/n if possible.
	(return_i): Emit rts/n if possible.
	(call_valuei_tbr_rel): New.
	(call_valuei_pcrel): Add condition for SH2A target.
	(call_value): Likewise.
	* config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
	(sh2a_get_function_vector_number): Likewise.
	(sh2a_is_function_vector_call): Likewise.
	* doc/extend.texi: Document TBR relative addressing of SH2A.
	(resbank): Add description for SH2A.

2008-03-24  Richard Guenther  <rguenther@suse.de>

	PR c/22371
	* gimplify.c (gimplify_modify_expr): For frontend type-correct
	pointer assignments change conversions according to middle-end rules.
	(gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
	* configure.ac: Include type checking in yes.
	* configure: Regenerate.

2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* diagnostic.c (diagnostic_count_diagnostic): Delete.
	(diagnostic_report_diagnostic): Update. Handle ICEs here.
	
2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>

	* gthr-vxworks.h (UNUSED): Define.

2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.

2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>

	* doc/extend.texi (Function Attributes): Add missing comma in the
	example of the "alloc_size" attribute.
	
2008-03-23  Uros Bizjak  <ubizjak@gmail.com>

	Revert:
	2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-modes.def: Use 4 byte alignment on DI for
	32bit host.

	2008-03-19  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35496
	* stor-layout.c (update_alignment_for_field): Set minimum alignment
	of the underlying type of a MS bitfield layout to the natural
	alignment of the type.

	2008-03-22  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (assign_386_stack_local): Align DImode slots
	to their natural alignment to avoid store forwarding stalls.

2008-03-22  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (verify_expr): Recurse again for invariant addresses.
	For PHI nodes verify the address is invariant.
	* tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
	(get_symbol_constant_value): Use is_gimple_min_invariant.
	(maybe_fold_stmt_indirect): Likewise.

2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/33927
	* Makefile.in (dse.o): Depend on $(TM_P_H).
	* expr.h (extract_low_bits): Declare.
	* expmed.c (extract_low_bits): New function.
	* rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
	* dse.c: Include tm_p.h.
	(find_shift_sequence): Remove the read_reg argument and return the
	read value.  Emit the instructions instead of returning them.
	Iterate on new_mode rather than calculating it each time.
	Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
	source to NEW_MODE and extract_low_bits to convert the shifted
	value to READ_MODE.
	(replace_read): Allow the load and store to have different mode
	classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
	or extraction instructions before trying the replacement.  Update
	dump-file code accordingly, avoiding use of REGNO (store_info->rhs).

2008-03-22  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (assign_386_stack_local): Align DImode slots
	to their natural alignment to avoid store forwarding stalls.

2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR target/27946
	* config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
	encouraging but not allowing gprs for input;
	change the input constraint to !f#r.
	(fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
	gprs for output;
	change the output constraint to !f#r.

2008-03-21  Uros Bizjak  <ubizjak@gmail.com>

	PR target/13958
	* config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
	corresponding post-reload splitters.
	("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
	when x87 FP math is selected.
	* config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
	New function prototype.
	* config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
	unreachable function to ease macroization of insn patterns.

2008-03-21  Martin Jambor  <mjambor@suse.cz>

	* tree-data-ref.c (dump_data_dependence_relation): Avoid data
	reference dumps if ddr is NULL or dependence is unknown.

2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
	unsigned extension into account.
	(ATOMIC_COMPARE_AND_SWAP): Likewise.
	(ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
	Do computations on a scratch register.

2008-03-21  Richard Guenther  <rguenther@suse.de>

	* tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
	Use is_gimple_min_invariant instead of TREE_INVARIANT.
	* tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
	* tree-ssa-dom.c (record_equality): Likewise.
	* tree-inline.c (copy_body_r): Likewise.
	* tree-ssa-pre.c (make_values_for_stmt): Remove test for
	TREE_INVARIANT.

2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (split_branches): Pass zero to	redirect_jump
	as 'delete_unused' argument.

2008-03-20  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
	special casing of constant qualifiers.
	* tree-ssa.c (useless_type_conversion_p_1): Instead do not
	care about them in general.
	* tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
	regardless of their type.
	(fold_stmt_r): Forcefully fold *& if we end up with that.

2008-03-20  Paul Brook  <paul@codesourcery.com>

	* config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
	* config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
	linker flags.
	* config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
	definition.
	(LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
	* config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.

2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>

	* common.opt (Wmudflap): New option.
	* tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
	(mx_register_decls): Likewise.
	(mudflap_finish_file): Likewise.
	* doc/invoke.texi: Document -Wno-mudflap.

2008-03-20  Kai Tietz  <kai.tietz@onevision.com>

	* c-format.c (replace_format_name_to_system_name): New.
	(cmp_attribs): New.
	(convert_format_name_to_system_name): New.
	(decode_format_attr): Add use of convert_format_name_to_system_name.
	(format_types_orig): Add gnu_ prefix to names.
	(check_format_info_main): Special treating of \0 escaped names for
	supporting multi-character format specifiers as I32, I64.
	(TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
	(gnu_target_overrides_format_attributes): New.
	* c-format.h: Add structure target_ovr_attr to hold
	system specific formatter names.
	* config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
	msformat-c.o file to c_target_objs and cxx_target_objs.
	* config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
	(TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
	(TARGET_N_FORMAT_TYPES): New.
	* config/i386/msformat-c.c: New.
	* config/i386/t-cygming: Add build rule for msformat-c.o.
	* doc/extend.texi: Add new format names gnu_* and ms_* and
	further details.
	* doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.

2008-03-20  Ira Rosen  <irar@il.ibm.com>

	* doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
	optimizations turned on under -O3.
	(ftree-vectorize): Add that the flag is turned on with -O3.

2008-03-20  Ben Elliston  <bje@au.ibm.com>

	* regmove.c (try_auto_increment): Fix spelling error in comment.
	* final.c (final_scan_insn): Likewise.

2008-03-20  Uros Bizjak  <ubizjak@gmail.com>

	PR target/14552
	* config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
	allocator preferences for "y" and "r" class registers.
	("*mov<mode>_internal"): Ditto.
	("*movv2sf_internal_rex64"): Ditto.
	("*movv2sf_internal"): Ditto.

2008-03-19  Michael Matz  <matz@suse.de>

	PR middle-end/35616
	* calls.c (expand_call): Check overlap of arguments with call
	address for sibcalls.

2008-03-19  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35496
	* stor-layout.c (update_alignment_for_field): Set minimum alignment
	of the underlying type of a MS bitfield layout to the natural
	alignment of the type.

2008-03-19  Jan Hubicka  <jh@suse.cz>

	PR other/35094
	* toplev.c (decode_d_option): Handle all CPP flags.
	* tree-vrp.c: Update tree_pass descriptors.
	* regrename.c: Update tree_pass descriptors.
	* fwprop.c: Update tree_pass descriptors.
	* doc/invoke.texi: Remove documentation of dropped -d? flags.
	* tree-into-ssa.c: Update tree_pass descriptors.
	* tree-dump.c: Update tree_pass descriptors.
	* tree-complex.c: Update tree_pass descriptors.
	* tree-dump.h: Update tree_pass descriptors.
	* see.c: Update tree_pass descriptors.
	* cgraphbuild.c: Update tree_pass descriptors.
	* tracer.c: Update tree_pass descriptors.
	* tree-loop-distribution.c: Update tree_pass descriptors.
	* cgraph.c: Update tree_pass descriptors.
	* postreload-gcse.c: Update tree_pass descriptors.
	* postreload.c: Update tree_pass descriptors.
	* tree-ssa-loop-ch.c: Update tree_pass descriptors.
	* tree-tailcall.c: Update tree_pass descriptors.
	* tree-pass.h (tree_opt_pass): Rename to ...
	(opt_pass) ... this one; add "type" field and remove letter field.
	(gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
	(execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
	all_lowering_passes): Update declaration.
	* ipa-cp.c: Update tree_pass descriptors.
	* final.c: Update tree_pass descriptors.
	* omp-low.c: Update tree_pass descriptors.
	* tree-ssa-dse.c: Update tree_pass descriptors.
	* ipa-reference.c: Update tree_pass descriptors.
	* tree-ssa-uncprop.c: Update tree_pass descriptors.
	* auto-inc-dec.c: Update tree_pass descriptors.
	* reorg.c: Update tree_pass descriptors.
	* cgraphunit.c: Update tree_pass descriptors.
	* tree-ssa-copyrename.c: Update tree_pass descriptors.
	* tree-ssa-ccp.c: Update tree_pass descriptors.
	* df-core.c: Update tree_pass descriptors.
	* mode-switching.c: Update tree_pass descriptors.
	* tree-nomudflap.c: Update tree_pass descriptors.
	* modulo-sched.c: Update tree_pass descriptors.
	* ipa-pure-const.c: Update tree_pass descriptors.
	* cse.c: Update tree_pass descriptors.
	* web.c: Update tree_pass descriptors.
	* tree-stdarg.c: Update tree_pass descriptors.
	* tree-ssa-math-opts.c: Update tree_pass descriptors.
	* tree-ssa-dom.c: Update tree_pass descriptors.
	* tree-nrv.c: Update tree_pass descriptors.
	* tree-ssa-alias.c: Update tree_pass descriptors.
	* loop-init.c: Update tree_pass descriptors.
	* gimple-low.c: Update tree_pass descriptors.
	* ipa-inline.c: Update tree_pass descriptors.
	* tree-ssa-sink.c: Update tree_pass descriptors.
	* global.c: Update tree_pass descriptors.
	* ifcvt.c: Update tree_pass descriptors.
	* jump.c: Update tree_pass descriptors.
	* predict.c: Update tree_pass descriptors.
	* tree-ssa-loop.c: Update tree_pass descriptors.
	* recog.c: Update tree_pass descriptors.
	* dse.c: Update tree_pass descriptors.
	* tree-ssa-ifcombine.c: Update tree_pass descriptors.
	* tree-eh.c: Update tree_pass descriptors.
	* regmove.c: Update tree_pass descriptors.
	* local-alloc.c
	* function.c: Update tree_pass descriptors.
	* tree-vectorizer.c: Update tree_pass descriptors.
	* gcse.c: Update tree_pass descriptors.
	* ipa-type-escape.c: Update tree_pass descriptors.
	* tree-if-conv.c: Update tree_pass descriptors.
	* init-regs.c: Update tree_pass descriptors.
	* ipa.c: Update tree_pass descriptors.
	* tree-ssa-phiopt.c: Update tree_pass descriptors.
	* rtl-factoring.c: Update tree_pass descriptors.
	* lower-subreg.c: Update tree_pass descriptors.
	* bt-load.c: Update tree_pass descriptors.
	* tree-dfa.c: Update tree_pass descriptors.
	* except.c: Update tree_pass descriptors.
	* emit-rtl.c: Update tree_pass descriptors.
	* cfgexpand.c: Update tree_pass descriptors.
	* tree-cfgcleanup.c: Update tree_pass descriptors.
	* cfgcleanup.c: Update tree_pass descriptors.
	* tree-ssa-pre.c: Update tree_pass descriptors.
	* tree-sra.c: Update tree_pass descriptors.
	* tree-mudflap.c: Update tree_pass descriptors.
	* tree-ssa-copy.c: Update tree_pass descriptors.
	* cfglayout.c: Update tree_pass descriptors.
	* tree-ssa-forwprop.c: Update tree_pass descriptors.
	* tree-ssa-dce.c: Update tree_pass descriptors.
	* tree-ssa.c: Update tree_pass descriptors.
	* regclass.c: Update tree_pass descriptors.
	* integrate.c: Update tree_pass descriptors.
	* tree-optimize.c: Update tree_pass descriptors.
	* tree-ssa-phiprop.c: Update tree_pass descriptors.
	* tree-object-size.c: Update tree_pass descriptors.
	* combine.c: Update tree_pass descriptors.
	* tree-outof-ssa.c: Update tree_pass descriptors.
	* bb-reorder.c: Update tree_pass descriptors.
	* stack-ptr-mod.c: Update tree_pass descriptors.
	* var-tracking.c: Update tree_pass descriptors.
	* tree-profile.c: Update tree_pass descriptors.
	* tree-vect-generic.c: Update tree_pass descriptors.
	* reg-stack.c: Update tree_pass descriptors.
	* sched-rgn.c: Update tree_pass descriptors.
	* tree-ssa-structalias.c: Update tree_pass descriptors.
	* tree-cfg.c: Update tree_pass descriptors.
	* passes.c (current_pass): Update declaration.
	(finish_optimization_passes): Update.
	(all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
	(register_one_dump_file, register_dump_files_1, next_pass_1):
 	Update arguments.
	(init_optimization_passes): Update handling of new types.
	(execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
	* ipa-struct-reorg.c: Update tree_pass descriptors.
	* tree-ssa-reassoc.c: Update tree_pass descriptors.
	* combine-stack-adj.c: Update tree_pass descriptors.
	* cfgrtl.c: Update tree_pass descriptors.
	* dce.c: Update tree_pass descriptors.
	* tree-ssanames.c: Update tree_pass descriptors.

2008-03-19  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35609
	* tree-ssa.c (walk_data): New structure.
	(warn_uninitialized_var): If not always_executed warn with "maybe"
	instead of "is".
	(execute_early_warn_uninitialized): Compute post-dominators.
	Initialize always_executed before processing each basic block.

2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>

	PR target/35504
	* config/i386/i386.c (x86_this_parameter): Calculate correct location
	of "this" pointer when "regparm = N" or "fastcall" is in effect.

2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/include/texinfo.tex: Update to version 2008-03-17.10.

2008-03-18  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
	is true.
	(expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
	(expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
	is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
	target after ignore has been set, and move there also the commputation
	of subtarget and original_target.
	* langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
	(LANG_HOOKS_INITIALIZER): Remove it.
	* langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.

2008-03-18  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
	found an expression with constants, note that in the VN for the lhs.
	* tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
	fold them to constants if possible.  Run cleanup_cfg if done so.
	(execute_pre): Return todo.
	(do_pre): Likewise.
	(execute_fre): Likewise.
	* tree-ssa-forwprop.c (can_propagate_from): Allow propagation
	of constants.
	(get_prop_source_stmt): Look through pointer conversions.

2008-03-18  Jan Hubicka  <jh@suse.cz>

	* tree-pretty-print.c: Include predict.h.
	(dump_generic_node): Dump predictor.
	* tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
	* tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
	* gimple-low.c (lower_stmt): Likewise.
	* expr.c (expand_expr_real): Likewise.
	* predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
	them.
	(build_predict_expr, build_predict_expr): New.
	* predict.h (predictor_name, build_predict_expr): Update.
	* c-typeck.c (c_finish_bc_stmt): Add prediction.
	* gimplify.c (gimplify_expr): Add PREDICT_EXPR.
	* predict.def (PRED_CONTINUE): Update hitrate.
	* tree.def (PREDICT_EXPR): Define.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
	do not handle BIND_EXPR.
	* tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
	* tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
	* tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
	operands.

2008-03-18  Michael Matz  <matz@suse.de>

	* gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.

2008-03-18  Richard Guenther  <rguenther@suse.de>

	* tree-gimple.h (is_gimple_invariant_address): Declare.
	(is_gimple_constant): Likewise.
	* tree-gimple.c (is_gimple_constant): New function.
	(is_gimple_invariant_address): Likewise.
	(is_gimple_min_invariant): Implement in terms of is_gimple_constant
	and is_gimple_invariant_address.
	* tree-ssa-loop-niter.c (expand_simple_operations): Revert
	previous change.
	* tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
	an addressable base.

2008-03-18  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35611
	* gimplify.c (gimplify_expr): Gimplify second operand of
	OMP_ATOMIC_LOAD.

2008-03-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/19637
	* fold-const.c (fold_unary): Remove restrictions of removing
	intermediate pointer-conversions (P2)(P1)P0.
	* tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
	conversion to void pointer.
	(get_maxval_strlen): Handle addresses of the form &(*p)[0].

2008-03-16  James E. Wilson  <wilson@tuliptree.org>

	PR debug/31510
	* dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
	emulated thread local variables.

2008-03-16  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35607
	* tree-ssa-loop-niter.c (expand_simple_operations): Do not
	expand TREE_INVARIANT operations that are not gimple invariant.

2008-03-16  Hans-Peter Nilsson  <hp@axis.com>

	* doc/extend.texi (Alignment): Say that the ABI controls
	the __alignof__ for non-strict-alignment targets rather
	than being a recommendation.

2008-03-15  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
	annotations.
	(arm_output_fn_unwind): Mark functions that can not be unwound.

2008-03-15  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
	extension instructions.

2008-03-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (ccp_fold): Also read from constant values
	and fold constant aggregate refs.
	(fold_const_aggregate_ref): Handle string constants
	and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
	(evaluate_stmt): Simplify now that ccp_fold folds constant
	aggregate refs.

2008-03-15  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
	(extzv): Use gen_extzv_t2.
	(insv_t2, insv_zero, extv, extzv_t2): New patterns.

2008-03-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (get_symbol_constant_value): Export.
	(fold_const_aggregate_ref): Likewise.
	(get_value): Return NULL if we don't have any values.
	(ccp_finalize): Set const_val to NULL after freeing it.
	* tree-flow.h (get_symbol_constant_value): Declare.
	(fold_const_aggregate_ref): Likewise.
	* tree-ssa-sccvn.c (try_to_simplify): Use them.

2008-03-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35593
	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
	to not produce negative array indices if not allowed.  Add
	parameter to indicate that.
	(maybe_fold_offset_to_component_ref): Allow negative array
	indices only for the first member of a structure.
	(maybe_fold_offset_to_reference): Allow negative array indices.
	(maybe_fold_stmt_addition): Likewise.

2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
	    Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (avr_arch_types): Add avr6 entry.
	(avr_arch): Add ARCH_AVR6.
	(avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
 	(initial_elimination_offset): Initialize and use 'avr_pc_size' 
	instead of fixed value 2.
	(print_operand_address): Use gs() asm specifier instead of pm().
	(avr_assemble_integer): (Ditto.).
	(avr_output_addr_vec_elt): (Ditto.).
	(print_operand): Handle "!" code.
	* config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
	__AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
	(AVR_HAVE_EIJMP_EICALL): Define.
	(AVR_3_BYTE_PC): Redefine.
	(AVR_2_BYTE_PC): (Ditto.).
	(PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
	(LINK_SPEC): Add atmega2560 and atmega2561.
	(CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
	(crtm2561.o).
	* config/avr/avr.md (call_insn): Use eicall instead of icall 
	for 3 byte PC devices.
	(call_value_insn): (Ditto.).
	(*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
	(indirect_jump): Use only for for 2 byte PC devices.
	(*tablejump): (Ditto.).
	(*indirect_jump_avr6): Add insn.
	(*tablejump_rjmp): Don't use for 3 byte PC devices.
	* config/avr/libgcc.S (__prologue_saves__): Use eijmp 
	instead of ijmp for 3 byte PC devices.
	(__tablejump2__): (Ditto.).
	* config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
	(MULITLIB_DIRNAMES): (Ditto.). 
	(MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.

2008-03-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
	"sse2_umulsidi3".  Use V1DI mode for operand 0.
	("mmx_psadbw"): Use V1DI mode for operand 0.
	* config/i386/i386-modes.def (V1SI): New vector mode.
	* config/i386/i386.c (struct builtin_description)
	[IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
	(v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
	(v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
	(ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
	v1di_ftype_v8qi_v8qi type.
	[__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.

	* doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
	__builtin_ia32_pmuludq]: Fix the mode of return value.

2008-03-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35595
	* tree-ssa-pre.c (bitmap_find_leader): Handle expression
	being a PHI_NODE.

2008-03-14  Bob Wilson  <bob.wilson@acm.org>
	
	* doc/invoke.texi (Option Summary, Xtensa Options): Document
	-mserialize-volatile and -mno-serialize-volatile Xtensa options.
	* config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
	unless TARGET_SERIALIZE_VOLATILE is enabled.
	* config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
	* config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
	* config/xtensa/xtensa.opt (mserialize_volatile): New option.

2008-03-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34172
	* tree-flow.h (refs_may_alias_p): Declare.
	(get_single_def_stmt): Likewise.
	(get_single_def_stmt_from_phi): Likewise.
	(get_single_def_stmt_with_phi): Likewise.
	* tree-dfa.c (refs_may_alias_p): New function.
	(get_single_def_stmt): Likewise.
	(get_single_def_stmt_from_phi): Likewise.
	(get_single_def_stmt_with_phi): Likewise.
	* tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
	(vn_reference_lookup_1): New helper function.
	(vn_reference_lookup): Walk the virtual use-def chain to
	continue searching for a match if the def does not alias the
	reference we are looking for.

2008-03-14  David Edelsohn  <edelsohn@gnu.org>

	* doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
	archive and Perzl.  Update The Written Word listing.

2008-03-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34043
	PR tree-optimization/33989
	* tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
	when doing FRE.
	(bitmap_find_leader): Use extra argument to verify dominance
	relationship inside a basic-block.
	(can_PRE_operation): Add VIEW_CONVERT_EXPR.
	(find_leader_in_sets): Adjust.
	(create_component_ref_by_pieces): Take extra argument for
	dominance check, handle lookup failures.
	(find_or_generate_expression): Likewise.
	(create_expression_by_pieces): Likewise.
	(insert_into_preds_of_block): Adjust.
	(create_value_expr_from): If asked for, verify all operands
	are in the blocks AVAIL_OUT set.
	(make_values_for_stmt): Check for SSA_NAMEs that are life
	over an abnormal edge.
	(compute_avail): Remove such check.
	(do_SCCVN_insertion): New function.
	(eliminate): If we do not find a leader suitable for replacement
	insert a replacement expression from SCCVN if available.
	* tree-ssa-sccvn.h (run_scc_vn): Update prototype.
	(struct vn_ssa_aux): Add needs_insertion flag.
	* tree-ssa-sccvn.c (may_insert): New global flag.
	(copy_reference_ops_from_ref): Value-number union member access
	based on its size, not type and member if insertion is allowed.
	(visit_reference_op_load): For a weak match from union type
	punning lookup a view-converted value and insert a SSA_NAME
	for that value if that is not found.
	(visit_use): Make dumps shorter.  Do not disallow value numbering
	SSA_NAMEs that are life over an abnormal edge to constants.
	(free_scc_vn): Release inserted SSA_NAMEs.
	(run_scc_vn): New flag to specify whether insertion is allowed.
	Process SSA_NAMEs in forward order.
	* tree-ssa-loop-im.c (for_each_index): Handle invariant
	ADDR_EXPRs inside VIEW_CONVERT_EXPR.
	* fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
	pointer type to/from integral types that do not change the
	precision to regular conversions.

2008-03-13  Uros Bizjak  <ubizjak@gmail.com>

	* doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
	__builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
	__builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
	__builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
	input arguments and the mode of return value.  Built-in functions
	that operate on whole 64-bit MMX register now use V1DI mode.

2008-03-13  Alon Dayan  <alond@il.ibm.com>
	    Olga Golovanevsky  <olga@il.ibm.com>

	PR tree-optimization/35041
	* ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
	to locate the right position in a statement.

2008-03-13  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34000
	PR target/35553
	* config/i386/xmmintrin.h:  Change all static inline functions to
	extern inline and add __gnu_inline__ attribute.
	* config/i386/bmintrin.h: Ditto.
	* config/i386/smmintrin.h: Ditto.
	* config/i386/tmmintrin.h: Ditto.
	* config/i386/mmintrin-common.h: Ditto.
	* config/i386/ammintrin.h: Ditto.
	* config/i386/emmintrin.h: Ditto.
	* config/i386/pmmintrin.h: Ditto.
	* config/i386/mmintrin.h: Ditto.
	* config/i386/mm3dnow.h: Ditto.

2008-03-13  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35185
	* omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
	(lower_omp_2): New function.
	(lower_omp_1, lower_omp): Rewritten.

2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>

	PR 35054
	* doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
	with the phrase "Microsoft Windows compilers".
	(Push/Pop Macro Pragmas): New subsection. Document
	#pragma push_macro and pragma pop_macro.

2008-03-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (output_move_double): Prefer LDRD to LDM.

2008-03-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
	(thumb2_alusi3_short): Exclude PLUS and MINUS.
	(thumb2_addsi_shortim): Rename ...
	(thumb2_addsi_short): ... to this.  Allow register operands.
	(thumb2_subsi_short): New pattern.
	(thumb2_one_cmplsi2_short,
	thumb2_negsi2_short): New patterns and peepholes.

2008-03-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.

2008-03-12  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (int_cond): New code iterator.
	(fp_cond): Ditto.
	("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
	sge, sgeu, sle and sleu expanders usign int_cond code iterator.
	("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
	sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
	("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
	bge, bgeu, ble and bleu expanders usign int_cond code iterator.
	("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
	bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.

2008-03-12  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
	instead of {arm,thumb}_compute_save_reg_mask.
	(output_return_instruction): Ditto.
	(thumb_unexpanded_epilogue): Ditto.
	(thumb1_expand_prologue): Ditto.
	(thumb1_output_function_prologue): Ditto.
	(arm_set_return_address): Ditto.
	(thumb_set_return_address): Ditto.
	(arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
	regs to achieve stack alignment.
	(thumb1_compute_save_reg_mask): Fix compiler warning.
	(arm_output_epilogue): Use offsets->saved_regs_mask.
	Adjust stack pointer by poping call clobered registers.
	(arm_expand_prologue): Use offsets->saved_regs_mask.
	Adjust stack pointer by pushing extra registers.
	* config/arm.h (arm_stack_offsets): Add saved_regs_mask.

2008-03-12  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-opt/35422
	* fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
	conversion to the operands of a multiplication.

2008-03-12  Richard Guenther  <rguenther@suse.de>

	* Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
	(tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
	* timevar.def (TV_TREE_PHIPROP): Add.
	* tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
	pass description.  Use TV_TREE_PHIPROP.
	* tree-ssa-forwprop.c: Remove phiprop code.

2008-03-12  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35549
	* omp-low.c (maybe_lookup_decl): Constify first argument.
	(use_pointer_for_field): Change last argument from bool to
	omp_context *.  Disallow shared copy-in/out in nested
	parallel if decl is shared in outer parallel too.
	(build_outer_var_ref, scan_sharing_clauses,
	lower_rec_input_clauses, lower_copyprivate_clauses,
	lower_send_clauses, lower_send_shared_vars): Adjust callers.

2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
	    Ira Rosen  <irar@il.ibm.com>

	* tree-vectorizer.c (free_stmt_vec_info): New function.
	(destroy_loop_vec_info): Move code to free_stmt_vec_info().
	Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
	* tree-vectorizer.h (free_stmt_vec_info): Declare.
	* tree-vect-transform.c (vectorizable_conversion): Free
	vec_oprnds0 if it was allocated.
	(vect_permute_store_chain): Remove unused VECs.
	(vectorizable_store): Free VECs that are allocated in the..
	function.
	(vect_transform_strided_load, vectorizable_load): Likewise.
	(vect_remove_stores): Simplify the code.
	(vect_transform_loop): Move code to vect_remove_stores().
	Call vect_remove_stores() and free_stmt_vec_info().

2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
	TARGET_HPUX.  Revise comment.
	(TARGET_LONG_PIC_PCREL_CALL): Revise comment.
	* pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
	Use sr4 variant of `be' instruction when not generating PIC code.
	(attr_length_call): Adjust for above change.

2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	* ipa-reference.c (static_execute): Remove module_statics_const and
	associated setting code.

2008-03-11  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35540
	* config/i386/i386.md (paritysi2, paritydi2): Use register_operand
	predicate for operand 1.
	(paritysi2_cmp): Use register_operand predicate for operand 2.
	Use earlyclobber modifier for operand 1.  Remove support for
	memory operands.
	(paritydi2_cmp): Use register_operand predicate for operand 3.
	Use earlyclobber modifier for operand 1.  Remove support for
	memory operands.

2008-03-11  Paul Brook  <paul@codesourcery.com>
	    Vladimir Prus  <vladimir@codesourcery.com>

	* config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
	(arm_compute_save_reg0_reg12_mask): Always
	check if register 11 must be saved.  Always safe hard frame pointer
	when frame_pointer_needeed.
	(arm_compute_save_reg_mask): Save IP and PC
	only with apcs frames.
	(arm_output_epilogue): Adjust Thumb2 codepath to
	be also invoked and work for ARM non-apcs frames.
	(arm_expand_prologue): Don't bother saving IP
	for non-apcs frame, since it's not clobbered by
	prologue code.  Implement non-apcs frame
	layout.

2008-03-11  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/35281
	* expr.c (convert_move): Use a new pseudo for the intermediate
	from_mode->word_mode result.

2008-03-11  Paolo Bonzini  <bonzini@gnu.org>

	* langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
	* langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
	* toplev.c (compile_file): Don't call it.

2008-03-11  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/35526
	* expr.c (store_expr): Call emit_block_move if the mode
	of "temp" RTX is BLKmode.

2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/31358
	* tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
	the step with a NULL_TREE.
	* tree-ssa-loop-ivopts.c (find_bivs): Convert the step
	to sizetype if type is a pointer type.
	(add_candidate_1): Don't convert the base and step to
	the generic type if the orginal type is a pointer type.
	(add_iv_value_candidates): Use sizetype for the step
	if type is a pointer type.
	(cand_value_at): Likewise.
	* tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
	for pointer types.
	* tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
	Don't convert the tem affine to the type.
	(add_elt_to_tree): Use sizetype for the step if a pointer.
	Use POINTER_PLUS_EXPR for pointers.
	(aff_combination_to_tree): Use sizetype for the step if a
	pointer.

2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>

	* config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
	Remove commutativity hint.

2008-03-10  Jakub Jelinek  <jakub@redhat.com>

	PR c/35438
	PR c/35439
	* c-parser.c (c_parser_omp_threadprivate): Don't add vars with
	errorneous type.  Check that v is a VAR_DECL.

	PR middle-end/35099
	* tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.

2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR tree-optimization/35494
	* tree-ssa-ccp.c (get_symbol_constant_value): Check if value
	may be overriden at link and run time.

2008-03-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34677
	* tree-ssa-pre.c (modify_expr_node_pool): Remove.
	(poolify_tree): Likewise.
	(modify_expr_template): Likewise.
	(poolify_modify_stmt): Likewise.
	(insert_fake_stores): Handle all component-ref style stores
	in addition to INDIRECT_REF.  Also handle complex types.
	Do not poolify the inserted load.
	(realify_fake_stores): Do not rebuild the tree but only
	make it a SSA_NAME copy.
	(init_pre): Remove initialzation of modify_expr_template.
	Do not allocate modify_expr_node_pool.
	(fini_pre): Do not free modify_expr_node_pool.

2008-03-10  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
	to avoid conflicts.

2008-03-10  Paul Brook  <paul@codesourcery.com>
	    Mark Shinwell  <shinwell@codesourcery.com>

	* config/arm/cortex-r4.md: New.
	* config/arm/thumb2.md (divsi3, udivsi3): Annotate with
	insn attributes.
	* config/arm/arm.md: Include cortex-r4.md.
	(insn): Add smmls, sdiv and udiv values.
	(generic_sched): Don't use generic scheduling for Cortex-R4.
	(arm_issue_rate): New function.
	(TARGET_SCHED_ISSUE_RATE): Define.

2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/invoke.texi (-ftree-loop-distribution): Add an example.

2008-03-10  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (get_sccvn_value): Simplify.
	(compute_avail): Do not add stmt uses to AVAIL_OUT.

2008-03-10  Paolo Bonzini  <bonzini@gnu.org>

	* langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
	Set default to true.

2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* c.opt (Wsynth): Deprecate.
	* doc/invoke.texi (Option Summary, Warning Options): Document
	-Wno-format-contains-nul.

2008-03-09  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35496
	* config/i386/i386.c (ix86_constant_alignment): Compute alignment using
	ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.

2008-03-09  Ira Rosen  <irar@il.ibm.com>

	* config/rs6000/rs6000.c (builtin_description): Rename vector
	left shift operations.
	* config/rs6000/altivec.md (UNSPEC_VSL): Remove.
	(altivec_vsl<VI_char>): Rename to ...
	(ashl<mode>3): ... new name.
	(mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
	gen_ashlv4si3.
	(absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.

2008-03-08  Richard Guenther  <rguenther@suse.de>

	* coverage.h (tree_coverage_counter_addr): Declare.
	* coverage.c (tree_coverage_counter_addr): New function.
	* tree-profile.c (tree_gen_edge_profiler): Unshare counter
	before using again.
	(tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
	(tree_gen_one_value_profiler): Likewise.
	(tree_gen_ic_profiler): Likewise.
	(tree_gen_average_profiler): Likewise.
	(tree_gen_ior_profiler): Likewise.

2008-03-08  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
	(vn_binary_op_insert): Likewise.
	(vn_unary_op_lookup): Likewise.
	(vn_unary_op_insert): Likewise.
	(vn_nary_op_lookup): Declare.
	(vn_nary_op_insert): Likewise.
	* tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
	and binary hashes, use a single obstack for unary_op_pool
	and binary_op_pool.
	(struct vn_binary_op_s, struct vn_unary_op_s): Replace with
	a single struct vn_nary_op_s.  Store tree code length and
	a variable number of operands.
	(struct vn_reference_op_struct): Remove unused op2.
	(vn_reference_op_eq): Do not compare op2.
	(vn_reference_op_compute_hash): Do not compute hash of op2.
	(vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
	(vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
	with vn_nary_op_compute_hash.
	(vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
	(vn_unary_op_lookup, vn_binary_op_lookup): Replace with
	vn_nary_op_lookup.
	(vn_unary_op_insert, vn_binary_op_insert): Replace with
	vn_nary_op_insert.
	(visit_unary_op): Call nary functions.
	(visit_binary_op): Likewise.
	(process_scc): Adjust for struct vn_tables_s changes.
	(allocate_vn_table): Likewise.
	(free_vn_table): Likewise.
	* tree-vn.c (vn_add): Call nary functions.
	(vn_lookup): Likewise.

2008-03-08  Jakub Jelinek  <jakub@redhat.com>

	PR target/35498
	* config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
	wdst back after sync_compare_and_swapqhi_internal.

2008-03-08  Uros Bizjak  <ubizjak@gmail.com>

	PR target/22152
	* config/i386/i386-modes.def (V1DI): New vector mode.
	* config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
	* config/i386/mmx.md (MMXMODEI8): New mode iterator.
	(MMXMODE248): Ditto.
	(MMXMODE): Add V1DI mode.
	(mmxvecsize): Change DI mode to V1DI mode.
	("mov<mode>): Use MMXMODEI8 mode iterator.
	("*mov<mode>_internal_rex64"): Ditto.
	("*mov<mode>_internal"): Ditto.
	("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
	("mmx_sub<mode>3"): Ditto.
	("mmx_adddi3"): Remove insn pattern.
	("mmx_subdi3"): Ditto.
	("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
	("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
	("mmx_ashl<mode>3"): Ditto.
	("mmx_lshrdi3"): Remove insn pattern.
	("mmx_ashldi3"): Ditto.
	* config/i386/i386.c (classify_argument): Handle V1DImode.
	(function_arg_advance_32): Ditto.
	(function_arg_32): Ditto.
	(struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
	mmx_addv1di3 insn pattern.
	[IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
	[IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
	IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
	IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
	Remove definitions of built-in functions.
	(V1DI_type_node): New node.
	(v1di_ftype_v1di_int): Ditto.
	(v1di_ftype_v1di_v1di): Ditto.
	(v2si_ftype_v2si_si): Ditto.
	(v4hi_ftype_v4hi_di): Remove node.
	(v2si_ftype_v2si_di): Ditto.
	(ix86_init_mmx_sse_builtins): Handle V1DImode.
	(__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
	Redefine builtins using def_builtin_const with *_ftype_*_int node.
	(__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
	Add new builtins using def_builtin_const.
	(ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
	IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
	IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
	* config/i386/mmintrin.h (__v1di): New typedef.
	(_mm_add_si64): Cast arguments to __v1di type.
	(_mm_sub_si64): Ditto.
	(_mm_sll_pi16): Cast __count to __v4hi type.
	(_mm_sll_pi32): Cast __count to __v2si type.
	(_mm_sll_si64): Cast arguments to __v1di type.
	(_mm_srl_pi16): Cast __count to __v4hi type.
	(_mm_srl_pi32): Cast __count to __v2si type.
	(_mm_srl_si64): Cast arguments to __v1di type.
	(_mm_sra_pi16): Cast __count to __v4hi type.
	(_mm_sra_pi32): Cast __count to __v2si type.
	(_mm_slli_pi16): Use __builtin_ia32_psllwi.
	(_mm_slli_pi32): Use __builtin_ia32_pslldi.
	(_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
	(_mm_srli_pi16): Use __builtin_ia32_psrlwi.
	(_mm_srli_pi32): Use __builtin_ia32_psrldi.
	(_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
	(_mm_srai_pi16): Use __builtin_ia32_psrawi.
	(_mm_srai_pi32): Use __builtin_ia32_psradi.
	* config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
	* doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
	__builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
	__builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.

2008-03-07  Joseph Myers  <joseph@codesourcery.com>

	* doc/include/texinfo.tex: Update to version 2008-03-07.10.

2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/35373
	* config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
	reg+const addressing for Altivec modes.  Don't generate reg+reg
	addressing for TFmode or TDmode quantities.

2008-03-07  Paolo Bonzini  <bonzini@gnu.org>

	* c-common.c (vector_types_convertible_p): Call langhook
	instead of comptypes.

2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR tree-opt/35402
	* tree-ssa-ccp.c (get_symbol_constant_value): Handle
	integral and scalar float variables which have a
	NULL DECL_INITIAL.

2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>

	* dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
	dwarf_register_span hook when emitting unwind information for
	register-to-memory saves.
	* config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
	(rs6000_frame_related): Remove call to spe_synthesize_frame.

2008-03-06  Jakub Jelinek  <jakub@redhat.com>

	* gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
	for the same VAR_DECL.

2008-03-06  Tom Tromey  <tromey@redhat.com>

	* treelang: Delete.
	* doc/standards.texi (Standards): Don't mention treelang.
	* doc/invoke.texi (Overall Options): Don't mention treelang.
	* doc/install.texi (Prerequisites): Don't mention bison or
	treelang.
	(Configuration): Don't mention treelang.
	(Building): Likewise.
	* doc/frontends.texi (G++ and GCC): Don't mention treelang.

2008-03-06  Paolo Bonzini  <bonzini@gnu.org>

	* simplify-rtx.c (simplify_subreg): Remove useless shifts from
	word-extractions out of a multi-word object.

2008-03-06  Richard Guenther  <rguenther@suse.de>

	* tree.def (BIT_FIELD_REF): Constrain result type and its precision.
	* tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
	result type and precision.
	* expr.c (get_inner_reference): Set unsignedp based on the result
	type of BIT_FIELD_REF.
	* tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
	* tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
	(try_instantiate_multiple_fields): Likewise.  Use the correct type
	for BIT_FIELD_REF.
	(sra_build_assignment): Likewise.
	(sra_build_elt_assignment): Likewise.
	(sra_explode_bitfield_assignment): Likewise.
	* print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
	* tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
	set BIT_FIELD_REF_UNSIGNED.
	(vectorizable_load): Likewise.

2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>

	* cse.c (cse_extended_basic_block): Invalidate artificial defs
	at bb start.

2008-03-06  Richard Guenther  <rguenther@suse.de>

	* alias.c (struct alias_set_entry): Move has_zero_child field
	to pack with alias_set.

2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-modes.def: Use 4 byte alignment on DI for
	32bit host.

2008-03-05  Ian Lance Taylor  <iant@google.com>

	* alias.h (alias_set_type): Change from HOST_WIDE_INT to int.

2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* fwprop.c (update_df): Support width and offset parameters of
	df_ref_create.
	* ra-conflict.c (mark_reg_store, clear_reg_in_live,
	global_conflicts): Change DF_REF_EXTRACT to either
	DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
	DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
	* df-scan.c (df_ref_record, df_defs_record,
	df_ref_create_structure, df_def_record_1, df_uses_record,
	df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
	df_bb_refs_collect, df_entry_block_defs_collect,
	df_exit_block_uses_collect): Support new width and offset fields.
	(ref_extract_pool): New storage pool.
	(df_free_ref): New function.
	(df_reg_chain_unlink, df_free_collection_rec,
	df_sort_and_compress_refs): Call df_free_ref.
	(df_ref_equal_p, df_ref_compare): Compare offset and width fields
	of df_ref_extract.
	(df_ref_create_structure): Allocate df_ref_extract if offset and
	width fields are used.
	(df_def_record_1): Get offset and width from ZERO_EXTRACT.
	(df_uses_record): Get offset and width from ZERO_EXTRACT 
	and SIGN_EXTRACT.
	* global.c (build_insn_chain): Change DF_REF_EXTRACT to either
	DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
	DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
	* df.h (df_ref_flags): Change DF_REF_EXTRACT to either
	DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
	DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
	(df_ref_extract): New structure.
	(DF_REF_WIDTH, DF_REF_OFFSET): New macros.
	(df_ref_create): Add width and offset parameters.
	
2008-03-05  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (get_constraint_for_component_ref):
	Use ranges_overlap_p.
	(offset_overlaps_with_access): Rename
	to ranges_overlap_p and move ...
	* tree-flow-inline.h (ranges_overlap_p): ... here.

	* tree.h (get_inner_reference, handled_component_p): Update
	comments.

	* tree.h (record_component_aliases, get_alias_set,
	alias_sets_conflict_p, alias_sets_must_conflict_p,
	objects_must_conflict_p): Move declarations ...
	* alias.h (record_component_aliases, get_alias_set,
	alias_sets_conflict_p, alias_sets_must_conflict_p,
	objects_must_conflict_p): ... here.
	Include coretypes.h.
	* Makefile.in (ALIAS_H): Add coretypes.h dependency.

2008-03-05  Aldy Hernandez  <aldyh@redhat.com>

	* cfg.c: Include tree-flow.h.
	(remove_edge_raw): Call redirect_edge_var_map_clear.
	(redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
	* tree-flow-inline.h (redirect_edge_var_map_def): New.
	(redirect_edge_var_map_result): New.
	* tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
	PENDING_STMT use with redirect_edge_var_map_*.
	* tree-ssa.c (edge_var_maps): New definition.
	(redirect_edge_var_map_add): New.
	(redirect_edge_var_map_clear): New.
	(redirect_edge_var_map_dup): New.
	(redirect_edge_var_map_vector): New.
	(redirect_edge_var_map_destroy): New.
	(ssa_redirect_edge): Replace PENDING_STMT use with
	redirect_edge_var_map_*.
	(flush_pending_stmts): Same.
	(delete_tree_ssa): Destroy edge var map.
	* tree-flow.h (struct _edge_var_map): New.
	Define edge_var_map vector type.
	Declare redirect_edge_var_map_* prototypes.
	* Makefile.in (cfg.o): Depend on TREE_FLOW_H.
	* tree-cfg.c (reinstall_phi_args): Replace
	PENDING_STMT use with redirect_edge_var_map_*.

2008-03-05  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35472
	* tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
	whose single use_stmt has a overlapping set of loaded and
	stored symbols as that use_stmt might be a noop assignment then.

2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>

	* gthr-rtems.h: Implement __gthread_mutex_destroy.

2008-03-05  Richard Guenther  <rguenther@suse.de>

	PR c++/35336
	* tree.def (BIT_FIELD_REF): Document that operands 1 and 2
	should be constants.
	* tree-cfg.c (verify_expr): Verify it.
	* fold-const.c (fold_truthop): Remove code generating
	BIT_FIELD_REFs of structure bases.
	(fold_binary): Likewise.
	(fold_ternary): Position and size of BIT_FIELD_REFs are
	always host integers.
	(make_bit_field_ref): Remove.
	(optimize_bit_field_compare): Remove.
	(all_ones_mask_p): Remove.

2008-03-05  Gabor Loki  <loki@gcc.gnu.org>

	PR gcc/33009
	* rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
	(split_block_and_df_analyze): New. Split basic block and rebuild
	dataflow.
	(block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
	SPLIT_BLOCK.
	(split_pattern_seq): Likewise.
	(erase_matching_seqs): Likewise.
	(split_pattern_seq): Skip return insn in case of REG_NORETURN note.

2008-03-04  Geoff Keating  <geoffk@apple.com>

	* fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
	declaration and code.
	(tree_invalid_nonnegative_warnv_p): Likewise.

2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>

	* doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
	examples.  Truncate option-names then causing overfull hbox.

2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/35222
	* configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
	on hpux10.
	* configure: Rebuilt.

2008-03-04  Rafael Espindola  <espindola@google.com>

	* fold-const.c (tree_simple_nonnegative_warnv_p): New.
	(tree_unary_nonnegative_warnv_p): New.
	(tree_binary_nonnegative_warnv_p): New.
	(tree_single_nonnegative_warnv_p): New.
	(tree_invalid_nonnegative_warnv_p): New.
	(tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.

2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 28322
	* opts.c (handle_option): Postpone 'unknown option' errors only for
	warning options.

2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35453
	* config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
	(_SIDD_XXX): This.

2008-03-04  Rafael Espindola  <espindola@google.com>

	* fold-const.c (tree_unary_nonzero_warnv_p): New.
	(tree_binary_nonzero_warnv_p): New.
	(tree_single_nonzero_warnv_p): New.
	(tree_expr_nonzero_warnv_p): Redefine using the new functions.

2008-03-04  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/35456
	* fold-const.c (fold_cond_expr_with_comparison): Prevent
	transformations for modes that have signed zeros.
	* ifcvt.c (noce_try_abs): Ditto.

2008-03-04  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/i386.c (override_options): Force
	-maccumulate-outgoing-args on if TARGET_STACK_PROBE.

2008-03-04  Jan Hubicka  <jh@suse.cz>

	PR c++/35262
	* ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
	in last commit.

2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
	label to probe the stack.

2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>

	* gthr-win32.h [__GTHREAD_HIDE_WIN32API]
	(__gthr_win32_mutex_destroy): Declare.
	[__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
	__gthr_win32_mutex_destroy.
	* config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.

2008-03-03  Jan Hubicka  <jh@suse.cz>

	PR c++/35262
	* ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
	aggressive on inlining cold calls.

2008-03-03  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
	struct copies into the expression table.
	(simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
	(try_to_simplify): Likewise.
	* fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
	integral and pointer arguments which do not change the
	precision to NOP_EXPRs.
	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
	VIEW_CONVERT_EXPR case.

2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
	defined in a loop at depth 0 is invariant.
	* tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
	* tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
	be called at loop depth 0.

2008-03-02  Jakub Jelinek  <jakub@redhat.com>

	PR driver/35420
	* gcc.c (process_command): Update copyright notice dates.
	* gcov.c (print_version): Likewise.
	* gcov-dump.c (print_version): Likewise.
	* mips-tfile.c (main): Likewise.
	* mips-tdump.c (main): Likewise.

2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 24924
	* c-common.c (flag_permissive): Delete.
	(constant_expression_warnings): Check flags first.
	(constant_expression_error): New.
	* c-common.h (flag_permissive): Delete.
	(constant_expression_error): Declare.
	* flags.h (flag_permissive): Declare. Update description.
	* diagnostic.c (pedwarn): Update.
	(permerror): New.
	* diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
	(permissive_error_kind): New.
	* toplev.c (flag_permissive): Define. Update description.
	* toplev.h (permissive_error_kind): Declare.
	* c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
	(pedwarn_c90): Use pedantic_warning_kind.
	* c-opts.c (c_common_post_options): flag_permissive does not affect
	flag_pedantic_errors.

2008-03-02  Joseph Myers  <joseph@codesourcery.com>

	* libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
	__subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
	__absvsi2, __absvDI2): Use unsigned arithmetic.

2008-03-02  Andi Kleen  <ak@suse.de>
	    Richard Guenther  <rguenther@suse.de>

	* struct-equiv.c: Remove file.
	* cfg_cleanup.c (condjump_equiv_p): Remove.
	* Makefile.in (OBJS-common): Remove struct-equiv.o.
	(struct-equiv.o): Remove rule.
	* basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
	insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
	rtx_equiv_p, condjump_equiv_p): Remove prototypes.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

	* ifcvt.c (noce_process_if_block): Try to handle only the then
	block if the else block exists but isn't suitable.

2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>

	PR gcc/35063
	* gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
	* gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
	regression from previous patch.

2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>

	PR gcc/35063
	* gthr.h: Add __gthread_mutex_destroy as a function that must be
	implemented.
	* gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
	* gthr-single.h (__gthread_mutex_destroy): Likewise.
	* gthr-rtems.h (__gthread_mutex_destroy): Likewise.
	* gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
	* gthr-nks.h (__gthread_mutex_destroy): Likewise.
	* gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
	* gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
	(__gthread_mutex_destroy_function): Rename to
	__gthread_mutex_destroy.
	* gthr-dce.h (__gthread_mutex_destroy): Call
	pthread_mutex_destroy.
	* gthr-tpf.h (__gthread_mutex_destroy): Likewise.
	* gthr-posix.h (__gthread_mutex_destroy): Likewise.
	* gthr-posix95.h (__gthread_mutex_destroy): Likewise.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

	* df-scan.c (df_ref_chain_change_bb): Simplify.
	(df_insn_change_bb): Add new_bb argument.  Simplify.  Call
	set_block_for_insn if there's any change.
	* df.h ((df_insn_change_bb): Fix prototype.
	* cfgrtl.c (update_bb_for_insn_chain): Pass bb to
	df_insn_change_bb, don't call set_block_for_insn.
	* emit-rtl.c (reorder_insns): Likewise.
	* haifa-sched.c (move_insn): Likewise.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

	* rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.

2008-03-01  Alexandre Oliva  <aoliva@redhat.com>

	* tree-flow-inline.h (next_readonly_imm_use): Return
	NULL_USE_OPERAND_P after the end.

2008-03-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35411
	* tree-sra.c (sra_build_assignment): Split conversion to
	final type to a separate statement if we are not assigning
	to a register.

2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	* fold-const.c (fold_convertible_p): Correct the logic to follow
	that in fold_convert().

2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>

	PR c++/35315
	* tree-inline.c (build_duplicate_type): When we make a
	duplicate type, make it unique in the canonical types system.

2008-02-29  Tom Tromey  <tromey@redhat.com>

	* toplev.c (input_file_stack, input_file_stack_tick, fs_p,
	input_file_stack_history, input_file_stack_restored): Remove.
	(push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
	* input.h (struct file_stack): Remove.
	(push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
	(input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
	Likewise.
	* diagnostic.h (struct diagnostic_context) <last_module>: Change
	type.
	(diagnostic_last_module_changed): Add 'map' argument.
	(diagnostic_set_last_function): Likewise.
	* diagnostic.c (undiagnostic_report_current_module): Iterate using
	line map, not input_file_stack.
	* c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.

2008-02-29  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.md (arm_addsi3): Add r/k/n alternative.

2008-02-29  Paul Brook  <paul@codesourcery.com>

	* config/arm/ieee754-df.S (muldf3): Use RET macros.

2008-02-29  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
	vn_lookup_or_add.
	* tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
	value for comparing for a store match.
	(simplify_unary_expression): Do nothing for SSA_NAMEs.
	(try_to_simplify): Do not do a full-blown reference lookup.

2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_scalar_mode_supported_p): New function.
	(TARGET_SCALAR_MODE_SUPPORTED_P): Define.

	* config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.

2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-loop-linear.c (try_interchange_loops): Compare memory access
	strides against cache sizes.

2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_secondary_reload): Handle loading a float
	constant to fpul.

2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>

	* simplify-rtx.c (simplify_unary_operation_1): Extend the handling
	of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
	is smaller than the original promoted value.
	(simplify_subreg): If OP is a SUBREG, try to preserve its
	SUBREG_PROMOTED_VAR_P information.

2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>

	* tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
	(VN_INFO_GET): Allocate new objects on the obstack.
	(init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
	for rpo_numbers_temp, for consistency.
	(free_scc_vn): Free the obstack.

2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/invoke.texi: Document -ftree-loop-distribution.
	* tree-loop-distribution.c: New.
	* tree-pass.h (pass_loop_distribution): New.
	* graphds.h (struct graph): Add htab_t indices.
	* timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
	* tree-vectorizer.c (rename_variables_in_loop): Extern.
	(slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
	* tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
	* tree-data-ref.c (debug_data_dependence_relations): New.
	(dump_data_dependence_relation): Also print data references.
	(free_data_ref): Extern.
	(same_access_functions): Moved...
	(find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
	(dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
	debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
	struct rdg_vertex_info, rdg_vertex_for_stmt): New.
	(create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
	(stmts_from_loop): Skip LABEL_EXPR.
	(hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
	New.
	(build_rdg): Initialize rdg->indices htab.
	(free_rdg, stores_from_loop, ref_base_address,
	rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
	have_similar_memory_accesses_1, ref_base_address_1,
	remove_similar_memory_refs): New.
	* tree-data-ref.h: Depend on tree-chrec.h.
	(debug_data_dependence_relations, free_data_ref): Declared.
	(same_access_functions): ... here.
	(ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
	New.
	(struct rdg_vertex): Add has_mem_write and has_mem_reads.
	(RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
	RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
	(dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
	debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
	rdg_vertex_for_stmt): Declared.
	(struct rdg_edge): Add level.
	(RDGE_LEVEL): New.
	(free_rdg, stores_from_loop, remove_similar_memory_refs,
	rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
	Declared.
	(rdg_has_similar_memory_accesses): New.
	* tree-vect-analyze.c: Remove unused static decls.
	* lambda.h (dependence_level): New.
	* common.opt (ftree-loop-distribution): New.
	* tree-flow.h (mark_virtual_ops_in_bb, 
	slpeel_tree_duplicate_loop_to_edge_cfg,
	rename_variables_in_loop): Declared.
	* Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
	(OBJS-common): Add tree-loop-distribution.o.
	(tree-loop-distribution.o): New rule.
	* tree-cfg.c (mark_virtual_ops_in_bb): New.
	(mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
	* passes.c (init_optimization_passes): Schedule pass_loop_distribution.

2008-02-28  Joseph Myers  <joseph@codesourcery.com>

	PR target/33963
	* tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
	other than structures and unions.

2008-02-28  Richard Guenther  <rguenther@suse.de>

	Revert:
	2008-02-26  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
	* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
	(lookup_decl_from_uid): Declare.
	(remove_decl_from_map): Likewise.
	* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
	* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
	(decl_for_uid_map): New global hashtable mapping DECL_UID
	to the decl tree.
	(init_ttree): Allocate it.
	(insert_decl_to_uid_decl_map): New helper function.
	(make_node_stat): Insert new decls into the map.
	(copy_node_stat): Likewise.
	(lookup_decl_from_uid): New function.
	(remove_decl_from_map): Likewise.
	(print_decl_for_uid_map_statistics): New helper.
	(dump_tree_statistics): Call it.

	* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
	(referenced_var_iterator): Adjust.
	(FOR_EACH_REFERENCED_VAR): Adjust.
	(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
	(num_referenced_vars): Adjust.
	* tree-flow-inline.h (gimple_referenced_vars): Adjust.
	(first_referenced_var): Remove.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	(referenced_var_iterator_set): New helper function.
	* tree-dfa.c (referenced_var_lookup): Adjust.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(init_tree_ssa): Allocate bitmap instead of hashtable for
	referenced_vars.
	(delete_tree_ssa): Adjust.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(find_partition_for): Likewise.
	(update_reference_counts): Likewise.
	(dump_may_aliases_for): Likewise.
	* tree-ssa-operands.c (add_virtual_operand): Likewise.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(update_ssa): Likewise.
	* tree-sra.c (scan_function): Likewise.
	(decide_instantiations): Likewise.
	(scalarize_parms): Likewise.
	* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
	(dsa_named_for): Likewise.
	* tree-ssa-structalias.c (update_alias_info): Likewise.
	(merge_smts_into): Likewise.

2008-02-27  David Daney  <ddaney@avtrex.com>

	PR target/34409
	* config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
	* config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
	* config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
	* config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
	* config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.

2008-02-27  Uros Bizjak  <ubizjak@gmail.com>

	PR target/25477
	* config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
	(BUILT_IN_NEXTTOWARD): Remove.
	(BUILT_IN_NEXTTOWARDF): Ditto.
	* config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
	alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.

2008-02-27  Tom Tromey  <tromey@redhat.com>

	* tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
	DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.

2008-02-27  Jan Beulich  <jbeulich@novell.com>

	* c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
	update the respective field on newdecl.

2008-02-27  Revital Eres  <eres@il.ibm.com>

	PR rtl-optimization/34999
	* bb-reorder.c (add_labels_and_missing_jumps): Do not handle
	crossing edges that ends with a call insn.
	(fix_up_fall_thru_edges): Handle crossing edges that ends with a
	call insn and clear the EDGE_CROSSING flag of the crossing edge
	when fixing fallthru edges.

2008-02-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35390
	* fold-const.c (fold_unary): Return the correct argument,
	converted to the result type.

2008-02-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34971
	* expr.c (expand_expr_real_1): Assert on rotates that operate
	on partial modes.
	* fold-const.c (fold_binary): Use the types precision, not the
	bitsize of the mode if folding rotate expressions.  Build rotates
	only for full modes.

2008-02-27  Jakub Jelinek  <jakub@redhat.com>

	* c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
	and CPP_PRAGMA_EOL.
	* c-pragma.c (pragma_ns_name): New typedef.
	(registered_pp_pragmas): New variable.
	(c_pp_lookup_pragma): New function.
	(c_register_pragma_1): If flag_preprocess_only, do nothing
	for non-expanded pragmas, for expanded ones push pragma's
	namespace and name into registered_pp_pragmas vector.
	(c_invoke_pragma_handler): Register OpenMP pragmas even when
	flag_preprocess_only, don't register GCC pch_preprocess
	pragma if flag_preprocess_only.
	* c-opts.c (c_common_init): Call init_pragma even if
	flag_preprocess_only.
	* c-pragma.c (c_pp_lookup_pragma): New prototype.
	* config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
	cpp_register_pragma if flag_preprocess_only.

2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR c/28800
	* c-parser.c (c_parser_translation_unit): Warn for empty
	translation unit, not empty source file.

2008-02-26  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
	operand for Thumb-2.
	* config/arm/arm.h (reg_class): Add CORE_REGS.
	(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
	(BASE_REG_CLASS): Use CORE_REGS.
	(PREFERRED_RELOAD_CLASS): Add STACK_REG.
	(REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
	(REGNO_OK_FOR_INDEX_P): Exclude SP.
	(ARM_REG_OK_FOR_INDEX_P): Always define.  Use
	ARM_REGNO_OK_FOR_INDEX_P.
	(ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
	* config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
	arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
	(ldm/stm peepholes): Ditto.
	* config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
	* config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
	* config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
	* config/arm/constraints.md: Enable "k" constraint on ARM.

2008-02-27  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/rs6000.c: Annotate cache line size field in all
	instances of struct processor_costs.

2008-02-26  David Edelsohn  <edelsohn@gnu.org>

	* dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
	dse2, gcse, if_conversion, if_after_combine, if_after_reload,
	jump_bypass): New counters.
	* cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
	* dce.c (gate_ud_dce): Same.
	(gate_fast_dce): Same.
	* dse.c (gate_dse1): New function.
	(gate_dse2): New function.
	(gate_dse): Merge results of new gate functions.
	* gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
	(gate_handle_jump_bypass): Add dbg_cnt.
	(gate_handle_gcse): Add dbg_cnt.
	* ifcvt.c (gate_handle_if_conversion): Same.
	(gate_handle_if_after_combine): Same.
	(gate_handle_if_after_reload): Same.
	* Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.

2008-02-26  Edmar Wienskoski  <edmar@freescale.com>

	* config/rs6000/rs6000.c (processor_costs): Update e300 cache
	line sizes.
	* doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.

2008-02-26  Jason Merrill  <jason@redhat.com>

	PR c++/35315
	* attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
	alone if it's the naming decl for the type's main variant.

2008-02-26  Tom Tromey  <tromey@redhat.com>

	* system.h (USE_MAPPED_LOCATION): Poison.
	* Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
	* tree-cfg.c (make_cond_expr_edges): Remove old location code.
	(make_goto_expr_edges): Likewise.
	(remove_bb): Likewise.
	(execute_warn_function_return): Likewise.
	* basic-block.h (struct edge_def) <goto_locus>: Change type to
	location_t.
	* c-common.c (fname_decl): Remove old location code.
	* tree-vect-transform.c (vect_finish_stmt_generation): Remove old
	location code.
	* rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
	variant.
	(ASM_INPUT_SOURCE_LOCATION): Likewise.
	(gen_rtx_ASM_INPUT): Likewise.
	(gen_rtx_ASM_INPUT_loc): Likewise.
	(get_rtx_asm_OPERANDS): Remove.
	* cfglayout.c (insn_locators_alloc): Remove old location code.
	(set_curr_insn_source_location): Likewise.
	(curr_insn_locator): Likewise.
	* print-tree.c (print_node): Remove old location code.
	* tree-mudflap.c (mf_varname_tree): Remove old location code.
	(mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
	* cfgexpand.c (expand_gimple_cond_expr): Don't use
	location_from_locus.
	(construct_exit_block): Remove old location code.
	* emit-rtl.c (force_next_line_note): Remove old location code.
	* profile.c (branch_prob): Remove old location code.
	* tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
	LOC_LINE): Remove old-location variants.
	* langhooks.c (lhd_print_error_function): Remove old location
	code.
	* configure, config.in: Rebuilt.
	* configure.ac (--enable-mapped-location): Remove.
	* c-decl.c (c_init_decl_processing): Remove old location code.
	(finish_function): Likewise.
	* recog.c (decode_asm_operands): Remove old location code.
	* c-pch.c (c_common_read_pch): Remove old location code.
	* rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
	variants.
	* gimple-low.c (lower_function_body): Remove old location code.
	* toplev.c (unknown_location): Remove.
	(push_srcloc): Remove old-location variant.
	(process_options): Remove old location code.
	(lang_dependent_init): Likewise.
	* input.h (UNKNOWN_LOCATION): Move definition.
	(location_t): Undeprecate.
	(source_locus): Remove.
	(location_from_locus): Remove.
	(struct location_s): Remove.
	Remove all old-location code.
	(input_line, input_filename): Remove.
	* final.c (final_scan_insn): Remove old location code.
	* diagnostic.c (diagnostic_build_prefix): Remove
	USE_MAPPED_LOCATION test.
	* tree.h (gimple_stmt) <locus>: Now a location_t.
	(tree_exp) <locus>: Likewise.
	(DECL_IS_BUILTIN): Remove old-location variant.
	(annotate_with_file_line, annotate_with_locus): Likewise.
	(expr_locus, set_expr_locus): Update.
	* tree.c (build1_stat): Remove old location code.
	(last_annotated_node): Remove.
	(annotate_with_file_line): Remove old-location variant.
	(annotate_with_locus): Likewise.
	(expr_location): Remove old location code.
	(set_expr_location): Likewise.
	(expr_has_location): Likewise.
	(expr_locus): Likewise.
	(set_expr_locus): Likewise.
	(expr_filename): Don't use location_from_locus.
	(expr_lineno): Likewise.
	* rtl-error.c (location_for_asm): Remove old location code.
	* c-lex.c (cb_line_change): Remove old location code.
	(fe_file_change): Likewise.
	(cb_def_pragma): Likewise.
	(c_lex_with_flags): Likewise.
	* gengtype.c (do_typedef): Don't special-case location types.
	(define_location_structures): Remove.
	(main): Don't call define_location_structures.
	* tree-pretty-print.c (dump_implicit_edges): Remove old location
	code.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 26264
	* builtins.def (BUILT_IN_STDARG_START): Remove.
	* builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
	* tree-stdarg.c (execute_optimize_stdarg): Likewise.
	* tree-inline.c (inline_forbidden_p_1): Likewise.
	
2008-02-26  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
	* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
	(lookup_decl_from_uid): Declare.
	(remove_decl_from_map): Likewise.
	* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
	* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
	(decl_for_uid_map): New global hashtable mapping DECL_UID
	to the decl tree.
	(init_ttree): Allocate it.
	(insert_decl_to_uid_decl_map): New helper function.
	(make_node_stat): Insert new decls into the map.
	(copy_node_stat): Likewise.
	(lookup_decl_from_uid): New function.
	(remove_decl_from_map): Likewise.
	(print_decl_for_uid_map_statistics): New helper.
	(dump_tree_statistics): Call it.

	* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
	(referenced_var_iterator): Adjust.
	(FOR_EACH_REFERENCED_VAR): Adjust.
	(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
	(num_referenced_vars): Adjust.
	* tree-flow-inline.h (gimple_referenced_vars): Adjust.
	(first_referenced_var): Remove.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	(referenced_var_iterator_set): New helper function.
	* tree-dfa.c (referenced_var_lookup): Adjust.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(init_tree_ssa): Allocate bitmap instead of hashtable for
	referenced_vars.
	(delete_tree_ssa): Adjust.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(find_partition_for): Likewise.
	(update_reference_counts): Likewise.
	(dump_may_aliases_for): Likewise.
	* tree-ssa-operands.c (add_virtual_operand): Likewise.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(update_ssa): Likewise.
	* tree-sra.c (scan_function): Likewise.
	(decide_instantiations): Likewise.
	(scalarize_parms): Likewise.
	* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
	(dsa_named_for): Likewise.
	* tree-ssa-structalias.c (update_alias_info): Likewise.
	(merge_smts_into): Likewise.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 34351
	* doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
	* c-opts.c (c_common_handle_option): Wall enables
	Wvolatile-register-var.
	* common.opt: Move Wvolatile-register-var to...
	* c.opt: ...here.
	
2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* common.opt (Wlarger-than=): New.
	* doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
	-Wlarger-than=.
	* opts.c (common_handle_option): Handle -Wlarger-than=.
	* optc-gen.awk: Likewise.
	* opth-gen.awk: Likewise.
	* stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
	* tree-optimize.c (tree_rest_of_compilation): Likewise.
	
2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>

	* c-common.c (match_case_to_enum_1): Add appropriate
	OPT_W* parameter to warning.
	(c_do_switch_warnings): Likewise.
	* c-typeck.c (warning_init): Add one more parameter following
	'warning' function.
	(push_init_level): Update call to warning_init.
	(pop_init_level): Likewise.
	(add_pending_init): Likewise.
	(output_init_element: Likewise.

2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 28322
	* toplev.c (toplev_main): If there are warnings or error, print
	errors for ignored options.
	* opts.c (ignored_options): New static variable.
	(postpone_unknown_option_error): New.
	(print_ignored_options): New.
	(handle_option): Postpone errors for unknown -Wno-* options.
	* opts.h (print_ignored_options): Declare.
	
2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>

	* config/mips/mips.md (loadgp_blockage, blockage): Change type
	to "ghost".

2008-02-25  Richard Guenther  <rguenther@suse.de>

	Revert:
	2008-02-25  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
	* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
	(lookup_decl_from_uid): Declare.
	* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
	* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
	(decl_for_uid_map): New global hashtable mapping DECL_UID
	to the decl tree.
	(init_ttree): Allocate it.
	(insert_decl_to_uid_decl_map): New helper function.
	(make_node_stat): Insert new decls into the map.
	(copy_node_stat): Likewise.
	(lookup_decl_from_uid): New function.
	(print_decl_for_uid_map_statistics): New helper.
	(dump_tree_statistics): Call it.

	* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
	(referenced_var_iterator): Adjust.
	(FOR_EACH_REFERENCED_VAR): Adjust.
	(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
	(num_referenced_vars): Adjust.
	* tree-flow-inline.h (gimple_referenced_vars): Adjust.
	(first_referenced_var): Remove.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	(referenced_var_iterator_set): New helper function.
	* tree-dfa.c (referenced_var_lookup): Adjust.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(init_tree_ssa): Allocate bitmap instead of hashtable for
	referenced_vars.
	(delete_tree_ssa): Adjust.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(find_partition_for): Likewise.
	(update_reference_counts): Likewise.
	(dump_may_aliases_for): Likewise.
	* tree-ssa-operands.c (add_virtual_operand): Likewise.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(update_ssa): Likewise.
	* tree-sra.c (scan_function): Likewise.
	(decide_instantiations): Likewise.
	(scalarize_parms): Likewise.
	* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
	(dsa_named_for): Likewise.
	* tree-ssa-structalias.c (update_alias_info): Likewise.
	(merge_smts_into): Likewise.

2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>

	PR fortran/29549
	* doc/invoke.texi (-fcx-limited-range): Document new option.
	* toplev.c (process_options): Handle -fcx-fortran-rules.
	* common.opt: Add documentation for -fcx-fortran-rules.

2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>

	PR c/35162
	* doc/invoke.texi (-fcx-limited-range): Correct to be in line with
	actual behaviour and C99.
	
2008-02-26  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
	(ASM_CPU_POWER6_SPEC): Likewise.
	(ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
	Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
	(EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.

2008-02-25  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
	* tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
	(lookup_decl_from_uid): Declare.
	* tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
	* tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
	(decl_for_uid_map): New global hashtable mapping DECL_UID
	to the decl tree.
	(init_ttree): Allocate it.
	(insert_decl_to_uid_decl_map): New helper function.
	(make_node_stat): Insert new decls into the map.
	(copy_node_stat): Likewise.
	(lookup_decl_from_uid): New function.
	(print_decl_for_uid_map_statistics): New helper.
	(dump_tree_statistics): Call it.

	* tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
	(referenced_var_iterator): Adjust.
	(FOR_EACH_REFERENCED_VAR): Adjust.
	(FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
	(num_referenced_vars): Adjust.
	* tree-flow-inline.h (gimple_referenced_vars): Adjust.
	(first_referenced_var): Remove.
	(end_referenced_vars_p): Likewise.
	(next_referenced_var): Likewise.
	(referenced_var_iterator_set): New helper function.
	* tree-dfa.c (referenced_var_lookup): Adjust.
	(referenced_var_check_and_insert): Likewise.
	(remove_referenced_var): Likewise.
	* tree-ssa.c (verify_flow_insensitive_alias_info): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(init_tree_ssa): Allocate bitmap instead of hashtable for
	referenced_vars.
	(delete_tree_ssa): Adjust.
	* tree-ssa-alias.c (mark_aliases_call_clobbered): Use
	FOR_EACH_REFERENCED_VAR_IN_BITMAP.
	(compute_tag_properties): Likewise.
	(set_initial_properties): Likewise.
	(find_partition_for): Likewise.
	(update_reference_counts): Likewise.
	(dump_may_aliases_for): Likewise.
	* tree-ssa-operands.c (add_virtual_operand): Likewise.
	(add_call_clobber_ops): Likewise.
	(add_call_read_ops): Likewise.
	(get_asm_expr_operands): Likewise.
	* tree-into-ssa.c (dump_decl_set): Likewise.
	(update_ssa): Likewise.
	* tree-sra.c (scan_function): Likewise.
	(decide_instantiations): Likewise.
	(scalarize_parms): Likewise.
	* tree-ssa-alias-warnings.c (build_reference_table): Likewise.
	(dsa_named_for): Likewise.
	* tree-ssa-structalias.c (update_alias_info): Likewise.
	(merge_smts_into): Likewise.

2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>

	PR target/35258
	* cse.c (cse_insn): Avoid creation of overlapping MEMs.
	* alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
	* alias.h (nonoverlapping_memrefs_p): Likewise.

2008-02-25  Jan Beulich  <jbeulich@novell.com>

	* Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
	* config/i386/netware-libgcc.exp: Add __bswap?i2,
	__emultls_get_address, __emultls_register_common,
	__floatundi?f, and _Unwind_GetIPInfo.
	* config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
	Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
	(gen_regparm_prefix): Likewise.
	(i386_nlm_encode_section_info): Sync with
	config/i386/winnt.c:i386_pe_encode_section_info().
	(i386_nlm_maybe_mangle_decl_assembler_name): New.
	i386_nlm_mangle_decl_assembler_name): New.
	(netware_override_options): New.
	* config/i386/netware.h (netware_override_options): Declare.
	(OVERRIDE_OPTIONS): Re-define to netware_override_options.
	(i386_nlm_mangle_decl_assembler_name): Declare.
	(TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.

2008-02-25  Ben Elliston  <bje@au.ibm.com>

	PR other/32948
	* c-decl.c (grokdeclarator): Remove unused local variables
	`typedef_type' and `type_as_written'.
	* bb-reorder.c
	(find_rarely_executed_basic_blocks_and_crossing_edges): Remove
	unused local variable `has_hot_blocks'.
	(fix_crossing_conditional_branches): Remove unused local variable
	`prev_bb'.
	
2008-02-25  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/19984
	* builtins.def (BUILT_IN_NAN): Define as c99 builtin
	using DEF_C99_BUILTIN.
	(BUILT_IN_NANF): Ditto.
	(BUILT_IN_NANL): Ditto.

2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
	    Revital Eres  <eres@il.ibm.com>

	* modulo-sched.c (calculate_must_precede_follow): Address TODO
	regarding the order of two dependent insns in the same row.

2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>

	* stor-layout.c (layout_decl): Do not bump the alignment of a
	bit-field to more than byte alignment if it is packed.

2008-02-24  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.c (processor_costs): Add cache costs for
	e300c2 and e300c3.

2008-02-24  Diego Novillo  <dnovillo@google.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html

	PR 33738
	* tree-vrp.c (vrp_evaluate_conditional): With
	-Wtype-limits, emit a warning when comparing against a
	constant outside the natural range of OP0's type.
	* c.opt (Wtype-limits): Move ...
	* common.opt (Wtype-limits): ... here.

2008-02-24  Edmar Wienskoski  <edmar@freescale.com>

	* config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
	* config/rs6000/e300c2c3.md: New file.
	* config/rs6000/rs6000.c (processor_costs): Add new costs for
	e300c2 and e300c3.
	(rs6000_override_options): Add e300c2 and e300c3 cases to
	processor_target_table. Do not allow usage of Altivec or Spe
	with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
	(rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
	* config/rs6000/rs6000.h (processor_type): Add
	PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
	(ASM_CPU_SPEC): Add e300c2 and e300c3.
	* config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
	and ppce300c3. Include e300c2c3.md.

2008-02-23  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
	instead of TARGET_STRICT_ALIGN.

2008-02-23  Joseph Myers  <joseph@codesourcery.com>

	* explow.c (memory_address): Assert that the generated address is
	valid.

2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>

	PR target/25477
	* config/darwin-protos.h: Add darwin_patch_builtins prototype.
	* config/darwin-ppc-ldouble-patch.def: New file.
	* config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
	* config/rs6000/rs6000.c (rs6000_init_builtins): Call
	SUBTARGET_INIT_BUILTINS if defined.
	* config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
	New functions.

2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR rtl-opt/33512
	* simplify-rtx.c (simplify_binary_operation_1): Add simplification
	of (and X (ior (not X) Y) and (and (ior (not X) Y) X).

2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR pch/35027
	* c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
	file" warning condtional on -Winvalid-PCH.

2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>

	* expmed.c (extract_bit_field): Always use adjust_address for MEM.

2008-02-23  Uros Bizjak  <ubizjak@gmail.com>

	PR target/22076
	PR target/34256	
	* config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
	prevent reload from using MMX registers.
	(*mov<mode>_internal): Ditto.
	(*movv2sf_internal_rex64): Ditto.
	(*movv2sf_internal): Ditto.

2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR documentation/31569
	* doc/install.texi2html: Use makeinfo --no-number-sections.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
	ensure that we can address an entire entity > 8 bytes.  Don't
	generate reg+reg addressing for such data.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
	strings when optimizing for size, unless the target cares about
	alignment.

2008-02-22  Tom Tromey  <tromey@redhat.com>

	* regclass.c (current_pass): Remove declaration.

2008-02-22  Anatoly Sokolov <aesok@post.ru>

	* config/avr/libgcc.S (__RAMPZ__): Define.
	(__do_copy_data): Add for devices with 128KB code memory.

2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
	Use spe_abi.
	* config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.

2008-02-22  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
	GENNONACR_REGS.

2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR c/19999
	* c-typeck.c (build_binary_op): Warn about floating point
	comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.

2008-02-21  Janis Johnson  <janis187@us.ibm.com>

	PR target/34526
	* config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
	(rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
	add vrsave.
	(rs6000_override_options): Set altivec_abi as default, not override,
	for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
	TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
	is used; use new member spe_abi.
	(rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
	spe_abi and altivec_abi.

2008-02-22  Tomas Bily  <tbily@suse.cz>

	* tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.

2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR bootstrap/35273
	* config.build (build_file_translate): Set to `CMD //c' only if
	it works.
	* Makefile.in (build_file_translate): Improve comment.

2008-02-21  Jan Hubicka  <jh@suse.cz>

	* predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
	PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
	PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.

2008-02-21  Michael Matz  <matz@suse.de>

	PR target/35264
	* config/i386/i386.c (ix86_expand_branch): Add missing breaks.

2008-02-21  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
	movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
	as insn constraint.
	* config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
	from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
	SSE_VEC_FLOAT_MODE_P as insn constraint.
	(<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
	(sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
	sse4a_movntdf using MODEF mode iterator.
	(sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
	sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
	(sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
	(sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
	(sse4_1_dpp<ssemodesuffixf2c>): Ditto.
	(sse4_1_roundp<ssemodesuffixf2c>): Ditto.
	(sse4_1_rounds<ssemodesuffixf2c>): Ditto.

2008-02-21  Richard Guenther  <rguenther@suse.de>

	* tree.def (PAREN_EXPR): New tree code.
	* fold-const.c (fold_unary): Remove PAREN_EXPR around constants
	and PAREN_EXPR.
	* tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
	* expr.c (expand_expr_real_1): Likewise.
	* tree-inline.c (estimate_num_insns_1): Likewise.
	* tree-complex.c (expand_complex_move): Likewise.
	* tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
	as plain x.

2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/35225
	* config/sh/sh.c (find_barrier): Don't go past 'from' argument.

2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/35190
	* config/sh/sh.md (jump_compact): Disable for crossing jumps.

	* config/sh/sh.c (find_barrier): Don't go past
	NOTE_INSN_SWITCH_TEXT_SECTIONS note.

2008-02-20  DJ Delorie  <dj@redhat.com>

	* config/h8300/h8300.md (insv): Force source operand to be a register.

	* config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
	as a jump, not as a plain insn.
	
2008-02-20  Seongbae Park <seongbae.park@gmail.com>

	* doc/invoke.texi (Warning Options): Add new option
	-Wframe-larger-than=.
	(-Wframe-larger-than): Document.

	* flags.h (warn_frame_larger_than, frame_larger_than_size):
	Add declarations for new option variables.

	* final.c (final_start_function): Check the frame size
	before emission and issue a Wframe-larger-than warning.

	* opts.c (warn_frame_larger_than, frame_larger_than_size):
	Add definitions for new option variables.
	(common_handle_option): Handle new option OPT_Wframe_larger_than_.

	* common.opt (Wframe-larger-than=): New option.

2008-02-20  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
	(<sse>_div<mode>3): Ditto.
	(<sse>_vmdiv<mode>3): Ditto.
	(<sse>_vmsqrt<mode>2): Ditto.
	(*smax<mode>3): Ditto.
	(sse5_frcz<mode>2): Ditto.
	(sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
	as insn constraint.

2008-02-20  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35265
	* builtins.c (validate_arg): If we want an INTEGER_TYPE,
	be happy with INTEGRAL_TYPE_P.

2008-02-20  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (split_tree): Associate floatig-point expressions
	if flag_associative_math is set.

2008-02-20  Richard Guenther  <rguenther@suse.de>

	* tree.h (fold_real_zero_addition_p): Declare.
	* fold-const.c (fold_real_zero_addition_p): Export.
	* tree-ssa-reassoc.c (eliminate_using_constants): Also handle
	floating-point operations with zero and one.

2008-02-20  Paolo Bonzini  <bonzini@gnu.org>

	* doc/install.texi: Correct references to CFLAGS, replacing them
	with BOOT_CFLAGS.  Document flags used during bootstrap for
	target libraries.
				
2008-02-20  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
	* config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
	and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
	insn constraint.
	(smin<mode>3): Ditto from similar patterns.
	(smax<mode>3): Ditto.
	(*ieee_smin<mode>3): Ditto.
	(*ieee_smax<mode>3): Ditto.
	* config/i386/sse.md (sse): New mode attribute.
	(mov<mode>): Macroize expander from movv4sf and movv2df using
	SSEMODEF2P mode iterator.
	(<sse>_movnt<mode>): Ditto from similar patterns. Use
	SSE_VEC_FLOAT_MODE_P as insn constraint.
	(storent<mode>): Ditto.
	(storent<mode>): Macroize expander from storentsf and storentdf using
	MODEF mode iterator.
	(neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
	mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
	(abs<mode>2): Ditto from similar patterns.
	(add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
	(sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
	(<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
	(<sse>_vmsqrt<mode>2): Ditto.
	(smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
	(<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
	(smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
	(<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
	(<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
	sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
	mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
	insn constraint.
	(<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
	iterator and SSE_FLOAT_MODE_P as insn constraint.
	(<sse>_ucomi): Ditto from similar patterns.
	(<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
	sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
	SSE_VEC_FLOAT_MODE_P as insn constraint.
	(vcond<mode>): Ditto from similar patterns.
	(and<mode>3, *and<mode>3): Ditto.
	(<sse>_nand<mode>3): Ditto.
	(ior<mode>3, *ior<mode>3): Ditto.
	(xor<mode>3, *xor<mode>3): Ditto.
	(*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
	iterator and SSE_FLOAT_MODE_P as insn constraint.
	(*nand<mode>3): Ditto from similar patterns.
	(*ior<mode>3): Ditto.
	(*xor<mode>3): Ditto.

2008-02-20  Ira Rosen  <irar@il.ibm.com>

	* config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
	vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
	vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.

2008-02-19  Jan Hubicka  <jh@suse.cz>

	* predict.c (tree_bb_level_predictions): Remove variable next
	mistakely introduced by previous commit.

2008-02-19  Jan Hubicka  <jh@suse.cz>

	* predict.c (predict_paths_leading_to): Rewrite.
	(predict_paths_for_bb): New.
	(tree_bb_level_predictions): Update call of predict_paths_leading_to.

2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR bootstrap/35218
	* Makefile.in (build_file_translate): New.
	(gcc-vers.texi): Use it for translating $(abs_srcdir).
	* config.build (build_file_translate): Set to `CMD //c' on MinGW.
	* configure.ac (build_file_translate): Substitute it.
	* configure: Regenerate.

2008-02-19  Jan Hubicka  <jh@suse.cz>

	PR rtl-optimization/34408
	* see.c (see_def_extension_not_merged): Copy subreg so we don't have
	invalid sharing.

2008-02-19  Jan Hubicka  <jh@suse.cz>

	PR middle-end/28779
	* tree-inline.c (estimate_num_insns_1): Fix counting of cost of
	call_expr.

2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>

	PR Ada/35186
	* config/i386/i386-modes.def: Revert the last DI alignment
	change until Ada people can look into it.

2008-02-19  Nick Clifton  <nickc@redhat.com>

	* opts.c (print_specific_help): Fix typo in --help text.

2008-02-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/35239
	* config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
	32-bit inline asm without asm alternatives for host GCC < 3.0.

2008-02-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34989
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
	Allow propagation to INDIRECT_REF if we can simplify only.

2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* c-common.c (warn_for_collisions_1): Use appropriate option when
	warning.

2008-02-19  Nick Clifton  <nickc@redhat.com>

	PR other/31349
	* opts.c (undocumented_msg): Leave blank unless checking is enabled.
	(handle_options): Fix indentation.
	(print_filtered_help): If no language-specific options were
	displayed tell the user how to list all the options supported by
	the language's front-end.
	(print_specific_help): Fix indentation and remove duplicate line.
	(common_handle_option): Handle the -v option.
	For --help enable the display of undocumented options if the -v
	switch has been included on the command line.
	For --help= check for overlaps in the arguments between the option
	classes and the language names and issue a warning when they
	cannot be disambiguated.
	* c.opt (v): Pass on to the common option handler.

2008-02-19  Revital Eres  <eres@il.ibm.com> 

	* modulo-sched.c (sms_schedule): Change dump message when
	create_ddg function fails.
	(try_scheduling_node_in_cycle): Rename row to cycle.
	(print_partial_schedule): Rename CYCLE to ROW.

2008-02-19  Christian Bruel  <christian.bruel@st.com>
	    Zdenek Dvorak  <ook@ucw.cz>

	* tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.

2008-02-19  Uros Bizjak  <ubizjak@gmail.com>

	PR target/33555
	* config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
	(*x86_movdicc_0_m1_se): Ditto.

2008-02-19  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
	(CMPtype): Define as __gcc_CMPtype.
	* config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
	(CMPtype): Define as __gcc_CMPtype.

2008-02-19  Hans-Peter Nilsson  <hp@axis.com>

	Support valgrind 3.3 for --enable-checking=valgrind.
	* system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
	here.
	[!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
	[!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
	[!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
	* ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
	Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
	VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
	VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
	respectively.
	* ggc-zone.c: Similar.
	* ggc-page.c: Similar.

2008-02-19  Paul Brook  <paul@codesourcery.com>

	PR target/35071
	* config/arm/ieee754-df.S: Fix do_it typo.
	* config/arm/ieee754-sf.S: Fix do_it typo.

2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35189
	* config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
	(OPTION_MASK_ISA_3DNOW_SET): Likewise.
	(OPTION_MASK_ISA_SSE_SET): Likewise.
	(OPTION_MASK_ISA_SSE2_SET): Likewise.
	(OPTION_MASK_ISA_SSE3_SET): Likewise.
	(OPTION_MASK_ISA_SSSE3_SET): Likewise.
	(OPTION_MASK_ISA_SSE4_1_SET): Likewise.
	(OPTION_MASK_ISA_SSE4_2_SET): Likewise.
	(OPTION_MASK_ISA_SSE4_SET): Likewise.
	(OPTION_MASK_ISA_SSE4A_SET): Likewise.
	(OPTION_MASK_ISA_SSE5_SET): Likewise.
	(OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
	(OPTION_MASK_ISA_MMX_UNSET): Updated.
	(OPTION_MASK_ISA_3DNOW_UNSET): Updated.
	(OPTION_MASK_ISA_SSE_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE3_UNSET): Likewise.
	(OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE5_UNSET): Likewise.
	(OPTION_MASK_ISA_SSE4): Removed.
	(ix86_handle_option): Turn on bits in ix86_isa_flags and
	ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
	(override_options): Don't turn on implied SSE/MMX bits in
	ix86_isa_flags.

2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-modes.def: Use 4 byte alignment on DI for
	32bit host.

2008-02-18  Joey Ye  <joey.ye@intel.com>

	PR middle-end/34921
	* tree-nested.c (insert_field_into_struct): Set type alignment
	to field alignment if the former is less than the latter.

2008-02-18  Jakub Jelinek  <jakub@redhat.com>

	* BASE-VER: Set to 4.4.0.

2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

	* doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
	* doc/cfg.texi: Likewise.
	* doc/extend.texi: Likewise.
	* doc/gty.texi: Likewise.
	* doc/invoke.texi: Likewise.
	* doc/loop.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/passes.texi: Likewise.
	* doc/rtl.texi: Likewise.
	* doc/sourcebuild.texi: Likewise.
	* doc/tm.texi: Likewise.
	* doc/tree-ssa.texi: Likewise.

2008-02-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35227
	* tree-complex.c (init_parameter_lattice_values): Handle parameters
	without default definition.

2008-02-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35231
	* tree-vrp.c (register_edge_assert_for): Do not assume A == 0
	if A | B != 1.

2008-02-17  Uros Bizjak  <ubizjak@gmail.com>

	Revert:
	2008-02-15  Uros Bizjak  <ubizjak@gmail.com>	
	* config/i386/sfp-machine.h (CMPtype): Define as typedef using
	libgcc_cmp_return mode.

2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c/28368
	* doc/invoke.texi (-std): Clarify description of -std= and -ansi.

2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>

	* config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
	multilibs.

2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/c-tree.texi: Use `@.' where appropriate.
	* doc/extend.texi: Likewise.
	* doc/install.texi: Likewise.
	* doc/invoke.texi: Likewise.
	* doc/loop.texi: Likewise.
	* doc/makefile.texi: Likewise.
	* doc/md.texi: Likewise.
	* doc/passes.texi: Likewise.
	* doc/standards.texi: Likewise.
	* doc/tm.texi: Likewise.

2008-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35196
	* omp-low.c (expand_omp_for_generic): Don't initialize fd->v
	in entry_bb.
	(expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
	rather than in entry_bb.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sfp-machine.h (CMPtype): Define as typedef using
	libgcc_cmp_return mode.

2008-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/35130
	* tree-nested.c (convert_call_expr): Put FRAME.* vars into
	OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.

2008-02-15  Richard Guenther  <rguenther@suse.de>
	    Zdenek Dvorak  <ook@ucw.cz>

	PR tree-optimization/35164
	* tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
	* tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
	* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
	Only propagate addresses which do not have abnormal SSA_NAMEs
	in their operands.

2008-02-15  Joseph Myers  <joseph@codesourcery.com>

	PR target/35088
	* config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.

2008-02-15  Jan Hubicka  <jh@suse.cz>

	PR middle-end/35149
	* ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/34621
	* function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
	when calculating alignment_pad.

2008-02-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
	(WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
	* config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
	and STACK_BOUNDARY define.

2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>

	PR preprocessor/35061
	* c-pragma.c (handle_pragma_pop_macro): Check that
	pushed_macro_table has been allocated.

2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/35136
	* gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
	(force_gimple_operand): Likewise.
	* tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
	for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
	Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
	(find_interesting_uses_address): Check addressability and alignment
	of the base expression only after substituting bases of IVs into it.

2008-02-14  Michael Matz  <matz@suse.de>

	PR target/34930
	* function.c (instantiate_virtual_regs_in_insn): Reload address
	before falling back to reloading the whole operand.

2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (s390_mainpool_start): Emit the pool
	before the first section switch note.

2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

	* doc/bugreport.texi: Update copyright years.
	* doc/c-tree.texi: Likewise.
	* doc/cfg.texi: Likewise.
	* doc/cpp.texi: Likewise.
	* doc/cppinternals.texi: Likewise.
	* doc/fragments.texi: Likewise.
	* doc/frontends.texi: Likewise.
	* doc/gcc.texi: Likewise.
	* doc/gty.texi: Likewise.
	* doc/hostconfig.texi: Likewise.
	* doc/implement-c.texi: Likewise.
	* doc/libgcc.texi: Likewise.
	* doc/loop.texi: Likewise.
	* doc/makefile.texi: Likewise.
	* doc/options.texi: Likewise.
	* doc/passes.texi: Likewise.
	* doc/rtl.texi: Likewise.
	* doc/sourcebuild.texi: Likewise.
	* doc/standards.texi: Likewise.
	* doc/tree-ssa.texi: Likewise.
	* doc/trouble.texi: Likewise.

	* doc/extend.texi: Use @: or add comma where appropriate.
	* doc/invoke.texi: Likewise.
	* doc/tm.texi: Likewise.

2008-02-14  Alan Modra  <amodra@bigpond.net.au>

	PR target/34393
	* config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
	to a reg.

2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>

	* doc/md.texi (clz, ctz): Add reference.
	* doc/rtl.texi (clz, ctz): Likewise.

2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR other/35148
	* Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
	srcdir.

2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (struct constant_pool): New field
	emit_pool_after added.
	(s390_mainpool_start): Set the emit_pool_after flag according
	to the section switch notes.
	(s390_mainpool_finish): Consider emit_pool_after when emitting
	the literal pool at the end of the function.
	(s390_chunkify_start): Force literal pool splits at section
	switch notes.

2008-02-13  Michael Matz  <matz@suse.de>

	PR debug/35065
	* var-tracking.c (clobber_variable_part): Correctly traverse the
	list.

2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 29673
	* doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
	Add -fdump-ipa-inline.
	* tree-dump.c (dump_files): Remove tree-inlined dump.
	* tree-pass.h (tree_dump_index): Remove TDI_inlined.
	
2008-02-12  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35171
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
	default defs.

2008-02-12  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35163
	* fold-const.c (fold_widened_comparison): Use get_unwidened in
	value-preserving mode.  Disallow final truncation.

2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/35136
	* gimplify.c (force_gimple_operand_bsi): Move SSA renaming
	code from here to...
	(force_gimple_operand): ...here.

2008-02-12  Jakub Jelinek  <jakub@redhat.com>

	PR c++/35144
	* tree-sra.c (sra_build_assignment): fold_convert SRC if copying
	non-compatible pointers.
	(generate_element_copy): If SRC and DST are RECORD_TYPEs with
	different FIELD_DECLs, try harder by comparing field offsets, sizes
	and types.

	PR inline-asm/35160
	* function.c (match_asm_constraints_1): Don't replace the same input
	multiple times.

2008-02-12  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
	* config/avr/avr.c (expand_prologue): Save RAMPZ register.
	(expand_epilogue): Restore RAMPZ register.
	* config/avr/avr.md (RAMPZ_ADDR): New constant.

2008-02-11  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/cygwin.asm: (__alloca): Correct calling
	convention and alignment.
	(__chkstk): Force 8 byte stack alignment.

2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/33992
	* tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
	the zero we compare against.

2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>

	PR libfortran/35063
	* gthr-win32.h (__gthread_mutex_destroy_function): New function
	to CloseHandle after unlocking to prevent accumulation of handle
	count.

2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle_end/34150
	* pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
	pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
	and update LABEL_NUSES during and after reload.

2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>

	PR middle-end/34627
	* combine.c (simplify_if_then_else): Make sure the comparison is
	against const0_rtx when simplifying to (abs x) or (neg (abs X)).

2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR bootstrap/35051
	* double-int.h: Don't include gmp.h for GENERATOR_FILEs.
	(mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
	* real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
	(real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
	* tree.h (get_type_static_bounds): Likewise.

2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/invoke.texi (Option Summary, C++ Dialect Options)
	(Objective-C and Objective-C++ Dialect Options, Warning Options):
	Make -Wfoo language annotations match what the compiler outputs.

2008-02-08  Sa Liu  <saliu@de.ibm.com>

	* config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
	intrinsics spu_convts, spu_convtu, spu_convtf.

2008-02-08  Hans-Peter Nilsson  <hp@axis.com>

	* doc/extend.texi (Function Attributes) <noinline>: Mention
	asm ("") as method to keep calls.

2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR other/32754
	* doc/options.texi (Options): Replace references to opts.sh with
	optc-gen.awk.
	* opts-common.c: Likewise.
	* optc-gen.awk: Likewise.
	
2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.

2008-02-07  Richard Henderson  <rth@redhat.com>

	PR rtl-opt/33410
	* config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
	EXPR_LIST for the REG_EQUAL instead of a comparison with a 
	funny mode.

2008-02-07  Uros Bizjak  <ubizjak@gmail.com>

	PR tree-optimization/35085
	* tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
	for operand entry oe2 in addition to operand entry oe3 in order to
	expose more opportunities for vectorizer sum reduction.

2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	PR other/35107
	* Makefile.in (LIBS): Remove $(GMPLIBS).
	(cc1-dummy, cc1): Add $(GMPLIBS).

2008-02-06  Jan Hubicka  <jh@suse.cz>

	PR target/23322
	* i386.md (moddf_integer): Do not produce partial memory stalls for
	targets where it hurts.

2008-02-06  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35083
	* optabs.c (expand_float): Do not check for decimal modes when
	expanding unsigned integer through signed conversion.

2008-02-06  Nick Clifton  <nickc@redhat.com>

	* config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
	inside the clobber with a match_operand and duplicated operand
	number in the constraint.
	(ineqbranchsi): Delete redundant comment.

2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>

	* config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
	builtin_define ("__USE_INIT_FINI__").
	* config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
	-msx multilibs.
	* gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.

2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR documentation/30330
	* doc/invoke.texi (C++ Dialect Options)
	(Objective-C and Objective-C++ Dialect Options, Warning Options):
	For each warning option -Wfoo that allows -Wno-foo, ensure both
	-Wfoo and -Wno-foo are listed in the option index.  Fix index
	entry of -Wswitch-default, index -Wnormalized= including the
	`=', and -Wlarger-than-@var{len} including @var{len}.

2008-02-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (floatunssisf2): Use
	ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
	(floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
	Macroize expander using MODEF mode iterator.

2008-02-05  Diego Novillo  <dnovillo@google.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html

	PR 33738
	* tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.

2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	PR other/35070
	* toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.

2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/35084
	* config/i386/i386.c (ix86_function_sseregparm): Add an arg
	to indicate if a message should be generated.
	(init_cumulative_args): Updated.
	(function_value_32): Likewise.

2008-02-05  Joseph Myers  <joseph@codesourcery.com>

	* doc/include/texinfo.tex: Update to version 2008-02-04.16.

2008-02-05  Uros Bizjak  <ubizjak@gmail.com>

	PR target/35083
	* config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
	Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.

2008-02-04  Diego Novillo  <dnovillo@google.com>

	http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html

	PR 33738
	* tree-vrp.c (vrp_evaluate_conditional): With
	-Wtype-limits, emit a warning when comparing against a
	constant outside the natural range of OP0's type.

2008-02-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/33631
	* expr.c (count_type_elements): Give for unions instead of
	guessing.

2008-02-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35043
	* gimplify.c (gimplify_init_ctor_eval): Convert array indices
	to TYPE_DOMAINs base type instead of using bitsizetype here.

2008-02-03  Jason Merrill  <jason@redhat.com>

	* print-tree.c (print_node) [CONSTRUCTOR]: Print elements.

2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR other/29972
	* doc/invoke.texi (C++ Dialect Options, Optimize Options)
	(HPPA Options, i386 and x86-64 Options, IA-64 Options)
	(RS/6000 and PowerPC Options): Fix typos and markup.
	* doc/passes.texi (Tree-SSA passes): Likewise.

2008-02-02  Michael Matz  <matz@suse.de>

	PR target/35045
	* postreload-gcse.c (record_last_reg_set_info_regno): Renamed
	from record_last_reg_set_info.
	(record_last_reg_set_info): Take an RTX argument, iterate over all
	constituent hardregs.
	(record_last_set_info, record_opr_changes): Change calls to
	new signature or to record_last_reg_set_info_regno.

2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/extend.texi (X86 Built-in Functions): Fix grammar.

2008-02-01  Hans-Peter Nilsson  <hp@axis.com>

	PR rtl-optimization/34773
	* reg-notes.def (EQUAL): Mention significance of combination of
	REG_EQUAL and REG_RETVAL.
	* fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
	insn that has a REG_RETVAL.

2008-02-01  Roger Sayle  <roger@eyesopen.com>

	PR bootstrap/33781
	* configure.ac (--enable-fixed-point): Disable unless explicitly
	requested on IRIX.
	* configure: Regenerate.

2008-02-01  Richard Guenther  <rguenther@suse.de>

	PR other/35042
	* invoke.texi (-finline-limit): Remove no longer true parts
	of the documentation.  Note that there is no default value.

2008-02-01  Andrew Pinski  <pinskia@gmail.com>
	    Mark Mitchell  <mark@codesourcery.com>
	    Ben Elliston  <bje@au.ibm.com>

	PR c/29326
	* doc/extend.texi (Other Builtins): Document.

2008-01-31  Tom Browder <tom.browder@gmail.com>

	* doc/c-tree.texi (Types): Fix grammar.
	(Expression trees): Ditto.
	* doc/passes.texi (Tree-SSA passes): Ditto.
	
	* doc/configterms.texi (Configure Terms): Fix typo.
	* doc/cpp.texi (Common Predefined Macros): Ditto.
	* doc/md.texi (Machine Constraints): Ditto.
	
	* doc/makefile.texi (Makefile): Add comma.

2008-01-31  Tom Browder  <tom.browder@gmail.com>
	    Gerald Pfeifer  <gerald@pfeifer.com>
	
	* doc/sourcebuild.texi (Front End): Remove references to CVS
	and CVSROOT/modules.
	(Texinfo Manuals): Replace reference to CVS by one to SVN.
	(Back End): Remove reference to CVS.

2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR target/34900
	* config/mips/mips.c (gen_load_const_gp): New function, taking a
	comment from...
	(mips16_gp_pseudo_reg): ...here.
	* config/mips/mips.md (load_const_gp): Replace with...
	(load_const_gp_<mode>): ...this :P-based insn.

2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
	options. Minor fixes.
	(-std): Move reference to standards closer to where language
	standards are first mentioned.
	
2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/34995
	* reload.c (alternative_allows_const_pool_ref): Take an rtx
	parameter and return a bool.  If the rtx parameter is nonnull,
	check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
	(find_reloads): Update call accordingly.  Pass the new operand
	if it needed no address reloads, otherwise pass null.

2008-01-30  Richard Henderson  <rth@redhat.com>

	PR c/34993
	* tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
	for unbounded arrays.

2008-01-30  Silvius Rus  <rus@google.com>

	* config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.

2008-01-30  Jan Hubicka  <jh@suse.cz>

	PR target/34982
	* i386.c (init_cumulative_args): Use real function declaration when
	calling locally.

2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/34998
	* global.c (build_insn_chain): Treat non-subreg_lowpart
	SUBREGs of pseudos as clobbering all the words covered by the
	SUBREG, not just all the bytes.
	* ra-conflict.c (clear_reg_in_live): Likewise.  Take the
	original df_ref rather than an extract parameter.
	(global_conflicts): Update call accordingly.

2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
	the overflow check to make it easier to read.
	(__fixtfdi): Change the type of the ll member in union
	long_double to UDItype_x.

2008-01-30  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/34969
	* cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
	* cgraph.c (cgraph_update_edges_for_call_stmt): New function.
	* tree-inline.c (fold_marked_statements): Call
	cgraph_update_edges_for_call_stmt if folding a call statement.
	* cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
	debug_generic_stmt calls, reset it back afterwards.

	PR c/35017
	* c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
	static decls.
	* c-typeck.c (build_external_ref): Don't pedwarn about
	static vars in current function's scope.

2008-01-29  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.

2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>

	PR c/35002
	* ipa-struct-reorg.c: Fix spelling.
	* params.def: Ditto.

2008-01-29  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35006
	* tree-inline.h (struct copy_body_data): Add remapping_type_depth
	field.
	* tree-inline.c (remap_type): Increment remapping_type_depth
	around remapping types.
	(copy_body_r): Only add referenced variables if they are referenced
	from code, not types.

2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>

	PR c++/34055
	PR c++/34103
	PR c++/34219
	PR c++/34606
	PR c++/34753
	PR c++/34754
	PR c++/34755
	PR c++/34919
	PR c++/34961
	* c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
	qualifiers for an ERROR_MARK_NODE or a NULL_TREE.

2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>

	PR target/34412
	* config/avr/avr.c (expand_prologue): Use correct QI mode frame 
	pointer for tiny stack.

2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>

	* doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.

2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>

	* config/vx-common.h: Fix typo in comment.

2008-01-28  Ian Lance Taylor  <iant@google.com>

	PR c++/34862
	PR c++/33407
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
	coalesce pointers if they have different DECL_NO_TBAA_P values.
	* tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
	between variables with different DECL_NO_TBAA_P values.

2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>

	PR 31535
	* config/rs6000/rs6000.c (small_data_operand): Vectors and floats
	are not legitimate small data references on SPE targets.

2008-01-28  David Daney  <ddaney@avtrex.com>

	* doc/install.texi (mips-*-*): Recommend binutils 2.18.

2008-01-28  David Daney  <ddaney@avtrex.com>

	* doc/install.texi (--disable-libgcj-bc):  Reword documentation.

2008-01-27  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
	m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
	*-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
	*-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
	hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
	i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
	i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
	vax-*-bsd*, vax-*-ultrix*): Mark obsolete.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

	* basic-block.h (condjump_equiv_p): Fix comment.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

	* tree-pretty-print.c (print_generic_decl, print_generic_stmt,
	print_generic_stmt_indented): Fix comment.

2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>

	* configure.ac (__stack_chk_fail): Add detecion for availability
	of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
	* configure: Regenerate.

2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>

	PR middle-end/34688
	* final.c (output_addr_const): Handle TRUNCATE.

2008-01-26  Zdenek Dvorak  <ook@ucw.cz>

	PR target/34711
	* tree-ssa-loop-ivopts.c (comp_cost): New type.
	(zero_cost, infinite_cost): New constants.
	(struct cost_pair): Change type of cost to comp_cost.
	(struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
	(new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
	New functions.
	(set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
	split_address_cost, ptr_difference_cost, difference_cost,
	get_computation_cost_at, get_computation_cost,
	determine_use_iv_cost_generic, determine_use_iv_cost_address,
	determine_use_iv_cost_condition, determine_use_iv_costs,
	cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
	iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
	iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
	Change type of cost to comp_cost.
	(determine_iv_cost): Increase cost of non-original ivs, instead
	of decreasing the cost of original ones.
	(get_address_cost): Indicate the complexity of the addressing mode 
	in comp_cost.
	(try_add_cand_for): Prefer using ivs not specific to some object.
	* tree-flow.h (force_expr_to_var_cost): Declaration removed.

2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
	    Janis Johnson  <janis187@us.ibm.com>

	PR target/34814
	* doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
	(TARGET_INSTANTIATE_DECLS): Likewise.
	* target.h (expand_to_rtl_hook): New target hook.
	(instantiate_decls): Likewise.
	* function.c (instantiate_decl): Make non-static.  Rename to...
	(instantiate_decl_rtl): ... this.
	(instantiate_expr): Use instantiate_decl_rtl.
	(instantiate_decls_1): Likewise.
	(instantiate_decls): Likewise.
	(instantiate_virtual_regs: Call new instantiate_decls taget hook.
	* function.h (instantiate_decl_rtl): Add prototype.
	* cfgexpand.c (target.h): New include.
	(tree_expand_cfg): Call new expand_to_rtl_hook target hook.
	* target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
	(TARGET_INSTANTIATE_DECLS): Likewise.
	(TARGET_INITIALIZER): New target hooks added.
	* config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
	New prototype.
	* config/rs6000/rs6000.c (tree-flow.h): New include.
	(machine_function): Add sdmode_stack_slot field.
	(rs6000_alloc_sdmode_stack_slot): New function.
	(rs6000_instantiate_decls): Likewise.
	(rs6000_secondary_memory_needed_rtx): Likewise.
	(rs6000_check_sdmode): Likewise.
	(TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
	(TARGET_INSTANTIATE_DECLS): Likewise.
	(rs6000_hard_regno_mode_ok): Allow SDmode.
	(num_insns_constant): Likewise.  Handle _Decimal32 constants.
	(rs6000_emit_move): Handle SDmode.
	(function_arg_advance): Likewise.
	(function_arg): Likewise.
	(rs6000_gimplify_va_arg): Likewise.  Add special handling of
	SDmode var args for 32-bit compiles.
	(rs6000_secondary_reload_class): Handle SDmode.
	(rs6000_output_function_epilogue): Likewise.
	(rs6000_function_value): Simplify if statement.
	(rs6000_libcall_value): Likewise.
	* config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
	(SECONDARY_MEMORY_NEEDED_RTX): Add define.
	* config/rs6000/dfp.md (movsd): New define_expand and splitter.
	(movsd_hardfloat): New define_insn.
	(movsd_softfloat): Likewise.
	(movsd_store): Likewise.
	(movsd_load): Likewise.
	(extendsddd2): Likewise.
	(extendsdtd2): Likewise.
	(truncddsd2): Likewise.
	(movdd_hardfloat64): Fixup comment.
	(UNSPEC_MOVSD_LOAD): New constant.
	(UNSPEC_MOVSD_STORE): Likewise.

2008-01-26  Jakub Jelinek  <jakub@redhat.com>

	PR c++/34965
	* c-pretty-print.c (pp_c_exclusive_or_expression): Handle
	TRUTH_XOR_EXPR.
	(pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
	(pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
	(pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
	and TRUTH_XOR_EXPR.

2008-01-26  David Edelsohn  <edelsohn@gnu.org>

	PR target/34794
	* config.gcc: Separate AIX 5.3 from AIX 6.1.
	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
	__LONGDOUBLE128 too.
	* config/rs6000/aix61.h: New file.

2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR rtl-optimization/34959
	* optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
	popcount and parity rtxes the same mode as their operand.
	Truncate or extend the result to the return value's mode
	if necessary.

2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR target/34981
	* config/mips/mips-protos.h (mips_expand_call): Return an rtx.
	* config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
	to GOT_VERSION_REGNUM.
	(CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
	(EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
	* config/mips/mips.c (mips_emit_call_insn): New function.
	(mips_call_tls_get_addr): Call mips_expand_call directly.
	(mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
	emit_call_insn.
	(mips16_build_call_stub): Likewise.  Return the call insn or null.
	(mips_expand_call): Update the call to mips16_build_call_stub
	accordingly and a remove redundant condition.  Assert that MIPS16
	stubs do not use lazy binding.  Use mips_emit_call_insn and return
	the call insn.
	(mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
	TARGET_USE_GOT.
	(mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
	(mips_avoid_hazard): Remove hazard_set handling.
	* config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
	(UNSPEC_RESTORE_GP): ...this.
	(UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
	(FAKE_CALL_REGNO): Rename to...
	(GOT_VERSION_REGNUM): ...this.
	(type): Add "ghost" value.  Add an associated insn reservation.
	(hazard_set): Remove.
	(exception_receiver): Rename to...
	(restore_gp): ...this and update the unspec identifier accordingly.
	(exception_receiver, nonlocal_got_receiver): New expanders.
	(load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
	FAKE_CALL_REGNO.  Remove hazard_set attribute.
	(set_got_version, update_got_version): New patterns.

2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>

	PR target/34970
	* config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.

2008-01-25  Joseph Myers  <joseph@codesourcery.com>

	PR other/31955
	* doc/install.texi2html: Generate gcc-vers.texi.

2008-01-25  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.

2008-01-25  Joseph Myers  <joseph@codesourcery.com>

	* config/c4x: Remove directory.
	* config.gcc (crx-*, mt-*): Mark obsolete.
	(c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
	h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
	sh-*-rtemscoff*): Remove cases.
	* defaults.h (C4X_FLOAT_FORMAT): Remove.
	* real.c (encode_c4x_single, decode_c4x_single,
	encode_c4x_extended, decode_c4x_extended, c4x_single_format,
	c4x_extended_format): Remove.
	* real.h (c4x_single_format, c4x_extended_format): Remove.
	* doc/extend.texi (interrupt, naked): Remove mention of attributes
	on C4x.
	(Pragmas): Remove comment about c4x pragmas.
	* doc/install.texi (c4x): Remove target-specific instructions.
	* doc/invoke.texi (TMS320C3x/C4x Options): Remove.
	* doc/md.texi (Machine Constraints): Remove C4x documentation.
	* doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
	refer to C4x source files as examples.
	(C4X_FLOAT_FORMAT): Remove documentation.

2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.c (override_options): Reorder tests so that
	flag_pic gets enabled for -msep-data.

2008-01-25  Richard Guenther  <rguenther@suse.de>

	PR middle-end/32244
	* expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
	to its bitfield precision if required.

2008-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/33880
	* tree-nested.c (walk_omp_for): New function.
	(convert_nonlocal_reference, convert_local_reference): Call
	walk_omp_for on OMP_FOR.
	(convert_call_expr): Call walk_body on OMP_FOR's
	OMP_FOR_PRE_INIT_BODY.

2008-01-25  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34966
	* tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
	default defs and PHI_NODEs we have to insert after the
	defining statement.

2008-01-24  Nick Clifton  <nickc@redhat.com>

	* config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
	Provide a default definition.
	(LIBGCC2_UNITS_PER_WORD): Likewise.

	* config/stormy16/stormy16.c: Include df.h for the prototype
	for df_regs_ever_live_p.
	(xstormy16_expand_builtin_va_start): Convert the stack offset
	into a component_ref and then use POINTER_PLUS_EXPR to add it
	to the incoming_virtual_args_rtx.
	(xstormy16_gimplify_va_arg_expr): Rename to
	xstormy16_gimplify_va_arg_expr.
	Use POINTER_PLUS_EXPR when performing pointer arithmetic.
	(TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
	xstormy16_gimplify_va_arg_expr.
	Fix up some formatting issues.

	* config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
	Move to predicates.md.
	(xs_hi_general_operand): Likewise.
	(xs_hi_nonmemory_operand): Likewise.
	* config/stormy16/predicates.md:
	(xstormy16_carry_plus_operand): New predicate.
	(xs_hi_general_operand): New predicate.
	(xs_hi_nonmemory_operand): New predicate.
	* config/stormy16/stormy16-protos.h:
	(xstormy16_carry_plus_operand): Delete prototype.
	(xs_hi_general_operand): Likewise.
	(xs_hi_nonmemory_operand): Likewise.

	* config/storm16/stormy16.md (addhi3): Remove earlyclobber
	modifiers as they are no longer needed and they can trigger
	reload spill failures.

	* config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
	with a match_operand in order to help reload.

	* config/storm16/stormy16.md (movhi_internal): Replace 'r'
	constraint with 'e' for the 8th alternative as this version of
	the mov.w instruction only accepts the lower 8 registers.

2008-01-25  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34856
	* simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
	Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
	vector elements.

2008-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/33333
	* gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.

2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>

	* ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
	New functions.
	(remove_structure): Update allocations list before removing structure.
	
2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>

	* ipa-struct-reorg.c (is_safe_cond_expr, 
	create_new_stmts_for_cond_expr): Use integer_zerop function,
	that recognize not only zero-pointer, but zero-integer too.

2008-01-25  Ben Elliston  <bje@au.ibm.com>

	PR other/22232
	* fixproto: Escape "." in sed expression that strips leading "./".

2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/34904
	* gcc.c (SWITCH_OK): Removed.
	(SWITCH_LIVE): Changed to bit.
	(SWITCH_FALSE): Likewise.
	(SWITCH_IGNORE): Likewise.
	(switchstr): Change live_cond to unsigned int.
	(process_command): Replace SWITCH_OK with 0.
	(do_self_spec): Likewise.
	(set_collect_gcc_options): Check the SWITCH_IGNORE bit.
	(give_switch): Likewise.
	(used_arg): Likewise.
	(do_spec_1): Set the SWITCH_IGNORE bit.
	(check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
	bits.  Set the SWITCH_LIVE bit.

2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.h (MOVE_RATIO): Define new target macro.

2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR tree-optimization/34472
	* ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
	parameter to a "bool *" and set *DATA to false if there is
	an unsafe access.  Do not delete the structure here.
	(check_cond_exprs): Delete it here instead.
	(check_cond_exprs, exclude_cold_structs): Do not increase
	I when removing a structure.

2008-01-24  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34856
	* config/i386/i386.c (ix86_expand_vector_init): Consider only
	CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.

2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/34934
	* tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
	a fixed vector for stack.

2008-01-24  Ben Elliston  <bje@au.ibm.com>

	PR c++/25701
	* doc/gcc.texi (Software development): Add a direntry for g++.
	
2008-01-23  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
	stale and straggling -fforce-addr comments above.

	* config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
	define.
	* config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
	* config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.

2008-01-23  Michael Matz  <matz@suse.de>

	PR debug/34895
	* dwarf2out.c (force_type_die): Use modified_type_die instead of
	gen_type_die.

2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>

	* ipa-struct-reorg.c (create_new_malloc): Use pointer type as
	malloc result type.

2008-01-23 Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (avr_current_arch): New variable.
	(avr_arch_types): Add 'avr31' and 'avr51' entries.
	(avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
	(avr_mcu_types): Add 'avr31' and 'avr51' architectures.
	(avr_override_options): Init 'avr_current_arch'. 
	(base_arch_s): Move from here...
	* config/avr/avr.h (base_arch_s): ... here. Add new members 
	'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
	'mega' to 'have_jmp_call'.
	(TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
	"__AVR_HAVE_RAMPZ__", 	"__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
	macros.
	(LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
	architectures.
	* config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
	MULTILIB_MATCHES): (Ditto.).

2008-01-23  Richard Guenther  <rguenther@suse.de>

	PR middle-end/31529
	* cgraphunit.c (cgraph_reset_node): Always mark the node
	not reachable if it is not queued already.

2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
	* config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
	(cputype_selected): New static variable.
	(bfin_handle_option): Set it if -mcpu is used.
	(override_option): Select default set of workarounds if no cpu type
	selected on the command line.
	(workaround_rts_anomaly): Only run if ENABLE_WA_RETS.

	From  Michael Frysinger  <michael.frysinger@analog.com>
	* config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
	BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.

	* config/bfin/elf.h (LIB_SPEC): Use proper linker script
	for bf547, bf523, bf524, and bf526.
	* config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
	bf526.
	* config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
	__ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
	__ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
	__ADSPBF547__ and __ADSPBF54x__ for bf547.
	* doc/invoke.texi (Blackfin Options): Document that
	-mcpu now accept bf547, bf523, bf524, and bf526.

2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/34628
	* combine.c (try_combine): Stop and undo after the first combination
	if an autoincrement side-effect on the first insn has effectively
	been lost.

2008-01-22  David Edelsohn  <edelsohn@gnu.org>

	PR target/34529
	* config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
	Offset addresses are not valid for Altivec or paired float modes.

2008-01-22  Jakub Jelinek  <jakub@redhat.com>

	PR c++/34607
	* c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
	if DECL_INITIAL (decl) is error_mark_node.

	PR c++/34914
	* c-common.c (handle_vector_size_attribute): Only allow
	integral, scalar float and fixed point types.  Handle OFFSET_TYPE
	the same way as pointer, array etc. types.
	* tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.

	PR c++/34917
	* tree.c (build_type_attribute_qual_variant): Call
	build_qualified_type if attributes are equal, but quals are not.

2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 32102
	* doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
	* flags.h (warn_strict_aliasing): Remove.
	(warn_strict_overflow): Remove.
	* opts.c (warn_strict_aliasing): Remove.
	(warn_strict_overflow): Remove.
	* c-opts.c (c_common_handle_option): -Wall only sets
	-Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
	(c_common_post_options): Give default values to -Wstrict-aliasing
	and -Wstrict-overflow if they are uninitialized.
	* common.opt (Wstrict-aliasing): Specify Var and Init.
	(Wstrict-overflow): Likewise.

2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR rtl-optimization/26854
	PR rtl-optimization/34400
	PR rtl-optimization/34884
	* ddg.c (create_ddg_dep_from_intra_loop_link): Use
	DF_RD->gen.
	* df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
	(df_rd_bb_info.expanded_lr_out): Deleted
	* loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
	* loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
	(df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
	df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
	Removed code to allocate, initialize or free expanded_lr_out.
	(df_rd_bb_local_compute_process_def): Restructured to make more
	understandable.
	(df_rd_confluence_n): Removed code to no apply invalidate_by_call
	sets if the sets are being trimmed.

2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/32287
	* configure.ac (ld_vers): Support GNU linker version xx.xx.*
	(as_vers): Likewise.
	* configure: Regenerated.

2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR middle-end/33092
	* tree-pass.h (pass_build_alias): New pass.
	* tree-ssa-alias.c (gate_build_alias): New.
	(pass_build_alias): New.
	* passes.c (init_optimization_passes): Add pass_build_alias after
	pass_create_structure_vars.

2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
	Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
	(S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
	S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
	(S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
	S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
	(S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
	S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
	(S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
	(S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
	(S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
	(S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
	* config/s390/s390.md (FP_ALL): New mode iterator.
	(_d): New mode attribute.
	("*signbit<mode>2>"): Changed mode of first operand.
	("isinf<mode>2"): Changed mode of first operand.
	("*TDC_insn"): Adaptation for DFP modes.

2008-01-22  Ben Elliston  <bje@au.ibm.com>

	* tree.c (check_qualified_type): Improve function description.

2008-01-21  Jason Merrill  <jason@redhat.com>

	PR c++/34196
	* tree.h (TRY_CATCH_IS_CLEANUP): New macro.
	* tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
	if it is set.

2008-01-21  DJ Delorie  <dj@redhat.com>

	* doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
	return zero.

2008-01-21  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34856
	* tree-cfg.c (verify_expr): Allow all invariant expressions
	instead of just constant class ones as reference argument.
	* tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
	like any other constant.
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.

2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>

	* regmove.c (fixup_match_1): Update call crossed frequencies.

2008-01-21  Richard Guenther  <rguenther@suse.de>

	PR c/34885
	* tree-inline.c (setup_one_parameter): Deal with mismatched
	types using a VIEW_CONVERT_EXPR.

2008-01-21  Alon Dayan  <alond@il.ibm.com>
	    Olga Golovanevsky  <olga@il.ibm.com>
	
	PR tree-optimization/34701
	* ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
	when the structure size is not a power of 2.

2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* doc/install.texi: Add doc for --enable-checking=df.
	
2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR rtl-optimization/34808
	* emit-rtl.c (try_split): Handle REG_RETVAL notes.

2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>

	* global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
	input.

2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR rtl-optimization/26854
	PR rtl-optimization/34400
	* ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
	DF_RD->gen.
	* df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
	(df_rd_bb_info.expanded_lr_out): New.
	* loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
	* loop_iv.c (iv_analysis_loop_init): Ditto.
	* df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
	df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
	Added code to allocate, initialize or free expanded_lr_out.
	(df_rd_bb_local_compute_process_def): Restructured to make
	more understandable.
	(df_rd_confluence_n): Add code to do nothing with fake edges and
	code to no apply invalidate_by_call sets if the sets are being trimmed.
	(df_lr_local_finalize): Renamed to df_lr_finalize.
	(df_live_local_finalize): Renamed to df_live_finalize.

2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>

	PR target/34831
	* config/mips/mips.md (div<mode>3): Use <recip_condition> when
	deciding whether to use reciprocal instructions.

2008-01-19  Uros Bizjak  <ubizjak@gmail.com>

	* dwarf2out.c (dwarf2out_switch_text_section): Do not call
	dwarf2out_note_section_used if cold_text_section is NULL.

2008-01-19  Jakub Jelinek  <jakub@redhat.com>

	PR gcov-profile/34610
	* tree-cfg.c (make_edges): Mark both outgoing edges from
	OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
	* omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
	from OMP_FOR and OMP_CONTINUE outgoing edges.

	* tree-profile.c (tree_profiling): Return early if
	cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
	at the end.
	* omp-low.c (expand_omp_parallel): Copy after_tree_profile
	from cfun to child_cfun.
	* function.h (struct function): Add after_tree_profile bit.

2008-01-19 Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.S (_exit): Disable interrupt.

2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
	    Steven Bosscher  <stevenb.gcc@gmail.com>

	PR rtl-optimization/26854
	PR rtl-optimization/34400
	* df-problems.c (df_live_scratch): New scratch bitmap.
	(df_live_alloc): Allocate df_live_scratch when doing df_live.
	(df_live_reset): Clear the proper bitmaps.
	(df_live_bb_local_compute): Only process the artificial defs once
	since the order is not important.
	(df_live_init): Init the df_live sets only with the variables
	found live by df_lr.
	(df_live_transfer_function): Use the df_lr sets to prune the
	df_live sets as they are being computed.  
	(df_live_free): Free df_live_scratch.

2008-01-18  Ian Lance Taylor  <iant@google.com>

	* common.opt: Add fmerge-debug-strings.
	* dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
	flag_merge_debug_strings rather than flag_merge_constants.
	* doc/invoke.texi (Option Summary): Mention
	-fmerge-debug-strings.
	(Debugging Options): Document -fmerge-debug-strings.

2008-01-18  Ian Lance Taylor  <iant@google.com>

	PR c++/33407
	* tree.h (DECL_IS_OPERATOR_NEW): Define.
	(struct tree_function_decl): Add new field operator_new_flag.
	* tree-inline.c (expand_call_inline): When inlining a call to
	operator new, force the return value to go into a variable, and
	set DECL_NO_TBAA_P on that variable.
	* c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.

2008-01-18  Uros Bizjak  <ubizjak@gmail.com>

	PR debug/34484
	* dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
	DWARF2_DEBUGGING_INFO.
	(dwarf2out_note_section_used): Ditto.  Add prototype.
	(have_multiple_function_sections, text_section_used,
	cold_text_section_used, *cold_text_sections): Move declarations
	before their uses.

2008-01-17  Bob Wilson  <bob.wilson@acm.org>

	* config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
	field and add signal_ra.
	* config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
	assignments to frame state pc.  Move end of stack check after
	MD_FALLBACK_FRAME_STATE_FOR.
	(uw_update_context_1): Use frame state signal_regs if set, instead
	of checking signal_frame flag.
	(uw_update_context): Use frame state signal_ra if set.
	* config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
	* config/xtensa/linux-unwind.h: New file.

2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>

	* modulo-sched.c (get_sched_window): Fix comment typo.

2008-01-17  Andrew MacLeod  <amacleod@redhat.com>

	PR tree-optimization/34648
	* tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.

2008-01-17  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
	* config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.

2008-01-17  Seongbae Park  <seongbae.park@gmail.com>

	PR rtl-optimization/34400
	* df-core.c (df_worklist_dataflow_overeager,
	df_worklist_dataflow_doublequeue): New functions.
	(df_worklist_dataflow): Two different worklist solvers.
	* params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
	New param.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

	PR testsuite/34821
	* doc/invoke.texi: Document the dependence on pthread for fopenmp
	and ftree-parallelize-loops.

2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>

	PR rtl-optimization/34826
	* loop-doloop (doloop_modify): Update the REG_BR_PROB note.

2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>

	* global.c (find_reg): Mark the eh regs as used if necessary.
	* ra-conflict.c (global_conflicts): Set no_eh_reg flag.
	* ra.h (struct allocno): no_eh_reg field added.  Changed
	no_stack_reg type to bitfield.

2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.c (substitute_in_expr): Add missing 'break'.

2008-01-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34825
	* tree-ssa-math-opts.c (is_division_by): Do not recognize
	x / x as division to handle.

2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
	"-pthread" is specified.
	* pa-hpux11.h (LIB_SPEC): Likewise.

2008-01-16  Janis Johnson  <janis187@us.ibm.com>
	    Peter Bergner  <bergner@vnet.ibm.com>

	PR rtl-optimization/33796
	* sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.

2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR libgfortran/34699
	* pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
	static links.
	* pa-hpux10.h (LINK_SPEC): Likewise.
	* pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.

2008-01-16  Richard Guenther  <rguenther@suse.de>

	PR middle-end/32628
	* fold-const.c (fold_convert_const_int_from_int): Do not
	set overflow if that occured only because of a sign extension
	change when converting from/to a sizetype with the same
	precision and signedness.

2008-01-16  Uros Bizjak  <ubizjak@gmail.com>

	PR debug/34249
	* dwarf2out.c (output_call_frame_info): Move output of FDE initial
	location address to the correct place.  Update copyright year.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

	* lambda-code.c (lambda_transform_legal_p): Handle the case of
	no dependences in the dependence_relations vector.

2008-01-16  Jan Hubicka  <jh@suse.cz>

	PR rtl-optimization/31396
	* regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
	* cfg.c (dump_reg_info): Print it.
	* regs.h (struct reg_info_t): add freq_calls_crossed.
	(REG_FREQ_CALLS_CROSSED): New macro.
	* global.c (global_alloc): Compute freq_calls_crossed for allocno.
	(find_reg): Update call of CALLER_SAVE_PROFITABLE.
	* regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
	regmove_optimize): Update call crossed frequencies.
	* local-alloc.c (struct qty): Add freq_calls_crossed.
	(alloc_qty): Copute freq_calls_crossed.
	(update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
	(find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
	* ra.h (struct allocno): Add freq_calls_crossed.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

	* gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
	libgomp when compiling with ftree-parallelize-loops.
	(GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.

2008-01-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34769
	* tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
	* tree.c (int_cst_value): Instead make this function more
	permissive in what it accepts as valid input.  Document this
	function always sign-extends the value.

2008-01-16  Jakub Jelinek  <jakub@redhat.com>
	    Richard Guenther  <rguenther@suse.de>

	PR c/34668
	* gimplify.c (fold_indirect_ref_rhs): Rename to ...
	(gimple_fold_indirect_ref_rhs): ... this.
	(gimple_fold_indirect_ref): New function with foldings
	that preserve lvalueness.
	(gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
	* tree-flow.h (gimple_fold_indirect_ref): Declare.
	* tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
	to fold an INDIRECT_REF, fall back to the old use of
	fold_indirect_ref_1.

2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-data-ref.c (subscript_dependence_tester_1): Call 
	free_conflict_function.
	(compute_self_dependence): Same.

2008-01-16  Uros Bizjak  <ubizjak@gmail.com>

	PR debug/34249
	* debug.h (dwarf2out_switch_text_section): Move declaration from ...
	* dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
	function global.
	* final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
	Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
	for DWARF2_UNWIND_INFO targets.

2008-01-16  Richard Guenther  <rguenther@suse.de>

	PR c/34768
	* c-typeck.c (common_pointer_type): Do not merge inconsistent
	type qualifiers for function types.

2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
	loop_iterator li from previous commit.

2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-parloops.c (gen_parallel_loop): Free loop bound estimations.

2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
	(parallelize_loops): Don't parallelize irreducible components.

2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c++/24924
	* c-opts (c_common_post_options): Do not enable CPP
	flag_pedantic_errors by default.
	
2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/31944
	* cse.c (remove_pseudo_from_table): New function.
	(merge_equiv_classes): Use above function to remove pseudo-registers.
	(invalidate): Likewise.

2008-01-13  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34601
	* emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
	instead of TYPE_MODE to deal with calls from expand_one_error_var.

2008-01-13  Uros Bizjak  <ubizjak@gmail.com>

	* gcse.c (cprop_jump): Call validate_unshare_change instead of
	validate_change to unshare the source of the PC set.

2008-01-12  Jan Hubicka  <jh@suse.cz>

	PR middle-end/32135
	* tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
	references above array bounds.  This might trigger bounds checks for
	pointers to arrays.

2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
	new_replaceable_dependencies.

2008-01-12  Doug Kwan  <dougkwan@google.com>

	* c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
	instead of OPT_Wreturn_type in warning due to ignored return type
	qualifiers.
	* c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
	options included in -Wextra.
	* c.opt: New option -Wignored_qualifiers.
	* doc/invoke.texi (Warning Options, -Wextra): Add new option
	-Wignore_qualifiers.
	(-Wignored-qualifiers): Document.
	(-Wreturn-type): Remove description of functionality now handled
	by -Wignored-qualifiers.

2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/33788
	* fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
	NOP_EXPR if it is between integral types with the same precision.

2008-01-12  Jan Hubicka  <jh@suse.cz>

	PR other/28023
	* invoke.texi (max-inline-recursive-depth): Fix default value.

2008-01-12  Zdenek Dvorak  <ook@ucw.cz>

	* tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
	correct type.

2008-01-11  Bob Wilson  <bob.wilson@acm.org>
	
	* config/xtensa/xtensa.c (override_options): Set flag_shlib.
	
2008-01-11  James E. Wilson  <wilson@specifix.com>

	PR target/26015
	* config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.

2008-01-11  Anatoly Sokolov <aesok@post.ru>

	* config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
	save/restore frame pointer register and don't use 'call-prologues' 
	optimization in function with "OS_task" attribute.

2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/31309
	* expr.c (copy_blkmode_from_reg): Use a mode suited to the size
	when copying to memory.

2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>

	PR rtl-optimization/30905
	* cfgcleanup.c: Include dce.h
	(crossjumps_occured): New global variable.
	(try_crossjump_bb): Exit loop after finding a fallthru edge.
	If something changed, set crossjumps_occured to true.
	(try_optimize_cfg): Clear crossjumps_occured at the beginning.
	Don't add/remove fake edges to exit here...
	(cleanup_cfg): ...but do it here, when crossjumping.
	Run a fast DCE when successful crossjumps occured in the latest
	iteration of try_optimize_cfg.

2008-01-11  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
	(struct vn_unary_op_s): Likewise.
	(vn_reference_insert): Free old reference on hash collision.

2008-01-10  Raksit Ashok  <raksit@google.com>

	PR rtl-optimization/27971
	* combine.c (find_split_point): Split PLUS expressions which are
	inside a MEM rtx, and whose first operand is complex.

2008-01-10  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
	(m32c_hard_regno_nregs): ...this, which is now a wrapper.
	(m32c_hard_regno_ok): Call the underlying function.

2008-01-10  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34683
	* tree-cfg.c (tree_merge_blocks): Do not go through the
	full-blown folding and stmt updating path if we just deal
	with virtual operands.
	* tree-ssa-copy.c (may_propagate_copy): Do not short-cut
	test for abnormal SSA_NAMEs.

2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>

	PR middle-end/34641
	* reload.c (push_reload): Add assertions.  All constants from
	reg_equiv_constant should have been used for replacing the respective
	pseudo earlier.
	(find_reloads_address): Invoke find_reloads_address_part for
	constant taken from the reg_equiv_constant array.

2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>

	* tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
	field (valnum) the first in the struct.  Replace bools with
	unit bit fields.

2008-01-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34651
	* tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
	types and ordering for masking and converting.

2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/34017
	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
	also for PHI_NODE expressions.

2008-01-09  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/34708
	* tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
	based on number of case labels.
	(init_inline_once): Remove switch_cost.
	* tree-inline.h (eni_weights_d): Remove switch_cost.

2008-01-09  Richard Guenther  <rguenther@suse.de>
	Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR middle-end/30132
	* gimplify.c (gimplify_cond_expr): Do not create an addressable
	temporary if an rvalue is ok or an lvalue is not required.

2008-01-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34458
	* tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
	adjust return type.

2008-01-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34679
	* tree.c (host_integerp): Check for sizetype only if the
	type is an integer type.

2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>

	PR debug/26364
	* opts.c (decode_options): Disable inlining of functions called
	once if not in unit-at-a-time mode.

2008-01-09  Alexandre Oliva  <aoliva@redhat.com>

	* Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.

2008-01-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/31863
	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
	out early if the result will be unused.

2008-01-08  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34709
	Revert:

	2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
	* config/i386/i386.c (ix86_builtin_reciprocal): Remove check
	for TARGET_RECIP.	
	
2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
	
	* config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
	for vectorization tuned.
	
2008-01-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34683
	* tree-ssa-operands.c (operand_build_cmp): Export.
	* tree-ssa-operands.h (operand_build_cmp): Declare.
	* tree-vn.c (vuses_compare): Remove.
	(sort_vuses): Use operand_build_cmp.
	(sort_vuses_heap): Likewise.
	* tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
	to re-use old VEC if available.  Do not sort already sorted VUSEs.
	(vdefs_to_vec): Do not sort already sorted VDEFs.

2008-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/34694
	* omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.

2008-01-08  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34702
	* doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
	limitations of reciprocal sequences on x86 targets.

2008-01-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34683
	* tree-flow-inline.h (var_ann): Remove overzealous asserts.

2008-01-07  Jakub Jelinek  <jakub@redhat.com>

	PR target/34622
	* config/darwin.c (darwin_mergeable_string_section): Don't use
	.cstring if int_size_in_bytes != TREE_STRING_LENGTH.

2008-01-07  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34682
	* config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
	negxf2.  Macroize expander using X87MODEF mode iterator.  Change
	predicates of op0 and op1 to register_operand.
	(abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
	expander using X87MODEF mode iterator.  Change predicates of
	op0 and op1 to register_operand.
	("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
	corresponding patterns and macroize using MODEF macro.  Change
	predicates of op0 and op1 to register_operand and remove
	"m" constraint. Disparage "r" alternative with "!".
	("*absneg<mode>2_i387"): Rename from corresponding patterns and
	macroize using X87MODEF macro.  Change predicates of op0 and op1
	to register_operand and remove "m" constraint.  Disparage "r"
	alternative with "!".
	(absneg splitter with memory operands): Remove.
	("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
	patterns and macroize using X87MODEF mode iterator.
	* config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
	Change predicate of op1 to register_operand.
	* config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
	for memory operands.

2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.

2008-01-07  Richard Guenther  <rguenther@suse.de>

	* basic-block.h (struct edge_def): Pair dest_idx with goto_locus
	fields.

2008-01-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34683
	* tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
	VOPs of the needed size to save memory.  Use VEC_quick_push
	to save compile-time.
	(vdefs_to_vec): Likewise.

2008-01-07  Sa Liu  <saliu@de.ibm.com>

	* config/spu/spu.md (divdf3): Genetate inline code for double
	division.  The implementation doesn't handle INF or NAN, therefore it
	only applies when -ffinite-math-only is given.

2008-01-06  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/34680
	* c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
	* doc/cpp.texi ([Common Predefined Macros]): Document.

2008-01-06  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
	order to use commutative addition instead of subtraction.

2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
	    Mircea Namolaru  <namolaru@il.ibm.com>
	    Vladimir Yanovsky  <yanov@il.ibm.com>
	    Revital Eres  <eres@il.ibm.com>

	PR tree-optimization/34263
	* tree-outof-ssa.c (process_single_block_loop_latch,
	contains_tree_r): New functions.
	(analyze_edges_for_bb): Call process_single_block_loop_latch
	function to empty single-basic-block latch block if possible.

2008-01-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_builtin_reciprocal): Remove check
	for TARGET_RECIP.
	(ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.

2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>

	* c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.

2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>

	* config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.

2008-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/34618
	* tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
	flag from T.

2008-01-05  Uros Bizjak  <ubizjak@gmail.com>

	PR target/34673
	* config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
	in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
	Update copyright year.

	* config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
	Update copyright year.
	* config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
	using NR fixup.

2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>

	* tree-vrp.c (find_conditional_asserts): Remove redundant check that
	edge does not point to current bb before changing need_assert.

2008-01-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34029
	* tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
	for verifying purposes if they are is_gimple_min_invariant.

2008-01-04  Aldy Hernandez  <aldyh@redhat.com>

	PR tree-optimization/34448
	PR tree-optimization/34465
	* gimplify.c (gimplify_init_constructor): Add new parameter
	notify_temp_creation.  Use it.
	(gimplify_modify_expr_rhs): Take volatiles into account when
	optimizing constructors.
	Do not optimize constructors if gimplify_init_constructor will dump to
	memory.
	* gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
	* gcc.c-torture/compile/pr34448.c: New.

2008-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR gcov-profile/34609
	* tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
	return_slot if result is TREE_ADDRESSABLE.

2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>

	* config/mips/mips.md (sqrt_condition): Tweak comment.
	(recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.

2008-01-03  Tom Tromey  <tromey@redhat.com>

	PR c/34457
	* c-common.c (c_type_hash): Handle VLAs.

2008-01-03  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/31081
	* tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
	0 when inlining and not inlining to first basic block.
	(remap_decl): When var is initialized to 0, don't set default_def.
	(expand_call_inline): Set entry_bb.
	* tree-inline.h (copy_body_data): Add entry_bb.

2008-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR c++/34619
	* cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
	before returning.

	PR tree-optimization/29484
	* tree-inline.c (inline_forbidden_p_2): New function.
	(inline_forbidden_p): Disallow inlining if some static var
	has an address of a local LABEL_DECL in its initializer.
	* doc/extend.texi (Labels as Values): Document &&foo behaviour
	vs. inlining.

2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/34635
	* tree-data-ref.c (add_other_self_distances): Make sure that the
	evolution step is constant.

2008-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/34608
	* omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.

2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>

	* tree-sra.c (scalarize_init): Insert the generate_element_init
	statements after the generate_element_zero statements.

2008-01-02  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34093
	PR middle-end/31976
	* tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
	for very large number of operands instead of ICEing.

2008-01-02  Arthur Norman <acn1@cam.ac.uk>

	PR target/34013
	* config/i386/i386.c (ix86_expand_prologue): Save red-zone
	while stack probing.

2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>

	* c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
	in C++0x mode.

2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>

	PR libmudflap/26442
	* tree-mudflap.c (mx_register_decls): Guard warning by
	!DECL_ARTIFICIAL check.

2008-01-01  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
	sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
	sse5_perm<mode>): Fix constraints.
