path: root/gcc/ChangeLog.google-4_7

2010-12-01  Xinliang David Li  <davidxl@google.com>

	Backport r194038 from trunk

        * config/i386/i386.c: Allow sign extend instructions (cltd etc)
        on modern CPUs.

2012-12-01  Dehao Chen  <dehao@dehao.com>

	* cgraphbuild.c (build_cgraph_edges): Handle AutoFDO profile.
	(rebuild_cgraph_edges): Likewise.
	* cgraph.c (cgraph_clone_node): Likewise.
	(clone_function_name): Likewise.
	* cgraph.h (cgraph_node): New field.
	* tree-pass.h (pass_ipa_auto_profile): New pass.
	* cfghooks.c (make_forwarder_block): Handle AutoFDO profile.
	* ipa-inline-transform.c (clone_inlined_nodes): Likewise.
	* toplev.c (compile_file): Likewise.
	(process_options): Likewise.
	* debug.h (auto_profile_debug_hooks): New.
	* cgraphunit.c (cgraph_finalize_compilation_unit): Handle AutoFDO
	profile.
	(cgraph_copy_node_for_versioning): Likewise.
	* regs.h (REG_FREQ_FROM_BB): Likewise.
	* gcov-io.h: (GCOV_TAG_AFDO_FILE_NAMES): New.
	(GCOV_TAG_AFDO_FUNCTION): New.
	(GCOV_TAG_AFDO_MODULE_GROUPING): New.
	* ira-int.h (REG_FREQ_FROM_EDGE_FREQ): Handle AutoFDO profile.
	* ipa-inline.c (edge_hot_enough_p): Likewise.
	(edge_badness): Likewise.
	(inline_small_functions): Likewise.
	* dwarf2out.c (auto_profile_debug_hooks): New.
	* opts.c (common_handle_option): Handle AutoFDO profile.
	* timevar.def (TV_IPA_AUTOFDO): New.
	* predict.c (compute_function_frequency): Handle AutoFDO profile.
	(rebuild_frequencies): Handle AutoFDO profile.
	* auto-profile.c (struct gcov_callsite_pos): New.
	(struct gcov_callsite): New.
	(struct gcov_stack): New.
	(struct gcov_function): New.
	(struct afdo_bfd_name): New.
	(struct afdo_module): New.
	(afdo_get_filename): New.
	(afdo_get_original_name_size): New.
	(afdo_get_bfd_name): New.
	(afdo_read_bfd_names): New.
	(afdo_stack_hash): New.
	(afdo_stack_eq): New.
	(afdo_function_hash): New.
	(afdo_function_eq): New.
	(afdo_bfd_name_hash): New.
	(afdo_bfd_name_eq): New.
	(afdo_bfd_name_del): New.
	(afdo_module_hash): New.
	(afdo_module_eq): New.
	(afdo_module_num_strings): New.
	(afdo_add_module): New.
	(read_aux_modules): New.
	(get_inline_stack_size_by_stmt): New.
	(get_inline_stack_size_by_edge): New.
	(get_function_name_from_block): New.
	(get_inline_stack_by_stmt): New.
	(get_inline_stack_by_edge): New.
	(afdo_get_function_count): New.
	(afdo_set_current_function_count): New.
	(afdo_add_bfd_name_mapping): New.
	(afdo_add_copy_scale): New.
	(get_stack_count): New.
	(get_stmt_count): New.
	(afdo_get_callsite_count): New.
	(afdo_get_bb_count): New.
	(afdo_annotate_cfg): New.
	(read_profile): New.
	(process_auto_profile): New.
	(init_auto_profile): New.
	(end_auto_profile): New.
	(afdo_find_equiv_class): New.
	(afdo_propagate_single_edge): New.
	(afdo_propagate_multi_edge): New.
	(afdo_propagate_circuit): New.
	(afdo_propagate): New.
	(afdo_calculate_branch_prob): New.
	(auto_profile): New.
	(gate_auto_profile_ipa): New.
	(struct simple_ipa_opt_pass): New.
	* auto-profile.h (init_auto_profile): New.
	(end_auto_profile): New.
	(process_auto_profile): New.
	(afdo_set_current_function_count): New.
	(afdo_add_bfd_name_mapping): New.
	(afdo_add_copy_scale): New.
	(afdo_calculate_branch_prob): New.
	(afdo_get_callsite_count): New.
	(afdo_get_bb_count): New.
	* profile.c (compute_branch_probabilities): Handle AutoFDO profile.
	(branch_prob): Likeise.
	* loop-unroll.c (decide_unroll_runtime_iterations): Likewise.
	* coverage.c (coverage_init): Likewise.
	* tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
	* common.opt (fauto-profile): New.
	* tree-inline.c (copy_bb): Handle AutoFDO profile.
	(copy_edges_for_bb): Likewise.
	(copy_cfg_body): Likewise.
	* tree-profile.c (direct_call_profiling): Likewise.
	(gate_tree_profile_ipa): Likewise.
	* basic-block.h (EDGE_ANNOTATED): New field.
	(BB_ANNOTATED): New field.
	* tree-cfg.c (gimple_merge_blocks): Handle AutoFDO profile.
	* passes.c (init_optimization_passes): Handle AutoFDO profile.

2012-11-27  Dehao Chen  <dehao@google.com>

	Backport 193857 from trunk:

	2012-11-27  Dehao Chen  <dehao@google.com>

		* ipa-prop.c (ipa_modify_call_arguments): Set loc correctly.
		* cfglayout.c (last_location): Remove unused variable.

2012-11-27  Dehao Chen  <dehao@google.com>

	Backport 193852 from trunk:

	2012-11-27  Dehao Chen  <dehao@google.com>

		* cfgrtl.c (rtl_merge_blocks): Check with UNKNOWN_LOCATION
		correctly.
		(cfg_layout_merge_blocks): Likewise.

2012-11-26   Easwaran Raman <eraman@google.com>

	Backport 193554 from trunk:

	2012-11-16  Jakub Jelinek  <jakub@redhat.com>
	
		* config/i386/i386.md (mov<mode>cc): Use comparison_operator
		instead of ordered_comparison_operator resp.
		ix86_fp_comparison_operator predicates.
		* config/i386/i386.c (ix86_expand_fp_movcc): Reject TImode
		or for -m32 DImode comparisons.

2012-11-26  Diego Novillo  <dnovillo@google.com>

	Backport from gcc-4_7-branch r193816.

	2012-11-26  Richard Biener  <rguenther@suse.de>

		Backport from mainline
		2012-10-19  Richard Biener  <rguenther@suse.de>

		PR tree-optimization/54976
		* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
		Robustify against odd inner_mode inputs.

		2012-10-12  Richard Biener  <rguenther@suse.de>

		PR tree-optimization/54894
		* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
		Handle over-aligned scalar types properly.

		2012-10-02  Richard Guenther  <rguenther@suse.de>

		PR middle-end/54735
		* tree-ssa-pre.c (do_pre): Make sure to update
		virtual SSA form before cleaning up the CFG.

2012-11-26  Diego Novillo  <dnovillo@google.com>

	* gimplify.c: Work around for PR 55245.

2012-11-09  Harshit Chopra  <harshit@google.com>

	Backport 193381 from google/main.

        * gcc/c-family/c-common.c (handle_always_patch_for_instrumentation_attribute):
	Handle always_patch_for_instrumentation attribute and turn inlining off for
	the function.
        (handle_never_patch_for_instrumentation_attribute): Handle
	never_patch_for_instrumentation attribute of a function.
        * gcc/config/i386/i386.c (has_attribute): Checks the presence of an
	attribute.
        (check_should_patch_current_function): Takes into account
	always_patch_for_instrumentation or never_patch_for_instrumentation attribute
	when deciding that a function should be patched.
        * gcc/testsuite/gcc.target/i386/patch-functions-force-no-patching.c (int main):
	Test case to test for never_patch_for_instrumentation attribute.
        * gcc/testsuite/gcc.target/i386/patch-functions-force-patching.c: Test
	case to test for always_patch_for_instrumentation attribute.

2012-11-05  Dehao Chen  <dehao@google.com>

	Backport 193169, 193137 and 193053 from trunk:

	* tree-eh.c (do_return_redirection): Set location for jump statement.
	(do_goto_redirection): Likewise.
	(frob_into_branch_around): Likewise.
	(lower_try_finally_nofallthru): Likewise.
	(lower_try_finally_copy): Likewise.
	(lower_try_finally_switch): Likewise.
	* expr.c (store_expr): Use current insn location instead of expr
	location.
	(expand_expr_real): Likewise.
	(expand_expr_real_1): Likewise.
	* cfglayout.c (reemit_insn_block_notes): Do not change scope if insn
	location is UNKNOWN_LOCATION.

2012-11-01   Easwaran Raman <eraman@google.com>

	Backport 191302 and 192651 from trunk:

	2012-09-14  Eric Botcazou  <ebotcazou@adacore.com>
	
		PR rtl-optimization/44194
		* calls.c (expand_call): In the PARALLEL case, copy the return value
		into pseudos instead of spilling it onto the stack.
		* emit-rtl.c (adjust_address_1): Rename ADJUST into ADJUST_ADDRESS and
		add new ADJUST_OBJECT parameter.
		If ADJUST_OBJECT is set, drop the underlying object if it cannot be
		proved that the adjusted memory access is still within its bounds.
		(adjust_automodify_address_1): Adjust call to adjust_address_1.
		(widen_memory_access): Likewise.
		* expmed.c (store_bit_field_1): Call adjust_bitfield_address instead
		of adjust_address.  Do not drop the underlying object of a MEM.
		(store_fixed_bit_field): Likewise.
		(extract_bit_field_1): Likewise.  Fix oversight in recursion.
		(extract_fixed_bit_field): Likewise.
		* expr.h (adjust_address_1): Adjust prototype.
		(adjust_address): Adjust call to adjust_address_1.
		(adjust_address_nv): Likewise.
		(adjust_bitfield_address): New macro.
		(adjust_bitfield_address_nv): Likewise.
		* expr.c (expand_assignment): Handle a PARALLEL in more cases.
		(store_expr): Likewise.
		(store_field): Likewise.
	
		* dse.c: Fix typos in the head comment.
	2012-10-21  Eric Botcazou  <ebotcazou@adacore.com>
	
		PR rtl-optimization/44194
		* calls.c (expand_call): Allow sibling calls in the PARALLEL case.

2012-10-25  Dehao Chen  <dehao@google.com>

	Backport r191810 from trunk.

	* cfglayout.c (fixup_reorder_chain): Compare locus against
	UNKNOWN_LOCATION.

2012-10-20   Xinliang David Li  <davidxl@google.com>

	* dwarf2out.c: change functdef etc to be long time.
	* function.h: Make FUNC_LABEL_ID 64 bit if possible.

2012-10-19   Easwaran Raman <eraman@google.com>

	* tree-ssa-reassoc.c (assign_uids): New function.
	(assign_uids_in_relevant_bbs): Likewise.
	(ensure_ops_are_available): Likewise.
	(rewrite_expr_tree): Do not move statements beyond what is
	necessary.Remove call to swap_ops_for_binary_stmt...
	(reassociate_bb): ... and move it here.

2012-10-19   Xinliang David Li  <davidxl@google.com>

	* dwarf2out.c (get_subprogram_die): Use FUNC_LABEL_ID instead
	of current_function_funcdef_no to synthysize label name.

2012-10-19  Teresa Johnson  <tejohnson@google.com>

	Backport r192624 from google/main.

	2012-10-19  Teresa Johnson  <tejohnson@google.com>

	* ree.c (add_removable_extension): Remove unnecessary
        mode check with other extension.
	* testsuite/gcc.c-torture/execute/20111227-2.c: New test.
	* testsuite/gcc.c-torture/execute/20111227-3.c: Ditto.

2012-10-18   Easwaran Raman <eraman@google.com>

	Backport r183817 from google/gcc-4_6 branch.

	2012-02-01  Easwaran Raman  <eraman@google.com>
	
		* expr.c (do_tablejump): Add default_probability as the
		sixth parameter and use it to generate REG_BR_PROB note.
		(try_tablejump): Add default_probability as a parameter.
		* cfgbuild.c (non_zero_profile_counts): New function.
		(compute_outgoing_frequencies): If edges have profile counts
		set, don't replace them with guessed values.
		* expr.h (try_tablejump): Add additional parameter to the
		declaration.
		* stmt.c (tree-flow.h): Include.
		(case_node): Add new fields count and subtree_count.
		(add_case_node): Pass count as a paramater and initialize
		count field of case_node.
		(case_probability): New macro.
		(expand_case): Propagate profile information from the tree
		level to RTL during switch case expansion.
		(balance_case_nodes): Compute subtree_count for case nodes.
		(emit_case_nodes): Set branch probabilities for generated
		branches.

2012-10-16   DeLesley Hutchins  <delesley@google.com>

	common.opt:
	Add clang thread safety warning flags as supported, but ignored.
	(-Wthread-safety-analysis/attributes/precise)

2012-10-10  Dehao Chen  <dehao@google.com>

	Backport 192285 from trunk:

	2012-10-10  Dehao Chen  <dehao@google.com>

	* tree-eh.c (lower_try_finally_onedest): Set correct location for
	deallocator.
	* gimplify.c (gimplify_expr): Set correct location for TRY stmt.

2012-10-10  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_7-branch rev 192176.

	Rollback revisions 190375 and 190601 (TM backports).

2012-10-09  Harshit Chopra  <harshit@google.com>

	Backport 192231 from google/main:

	2012-09-28  Harshit Chopra  <harshit@google.com>

        * gcc/config/i386/i386.c (ix86_output_function_nops_prologue_epilogue):
	Emit relative address to function patch sections.

2012-10-09  Rong Xu <xur@google.com>

	Google Ref: b/7049102.
	* gcc.dg/tree-ssa/vrp1.c: New testcase.

2012-10-09  Rong Xu <xur@google.com>

	Google Ref: b/7049102.
	Backport r190291 from trunk.

	2012-08-10  Richard Guenther  <rguenther@suse.de>

		PR tree-optimization/54109
		* tree-ssa-forwprop.c
		(forward_propagate_addr_into_variable_array_index): Remove.
		(forward_propagate_addr_expr_1): Adjust.

		* gcc.dg/torture/pr54109.c: New testcase.
		* gcc.dg/tree-ssa/forwprop-1.c: Adjust.
		* gcc.dg/tree-ssa/forwprop-2.c: Likewise.

2012-10-08  Dehao Chen  <dehao@google.com>

	Backport 191931, 192049, 192120, 192165 from trunk.

	* tree-vect-loop-manip.c (slpeel_make_loop_iterate_ntimes): Use
	LOCATION_LOCUS to compare with UNKNOWN_LOCATION.
	(slpeel_tree_peel_loop_to_edge): Likewise.
	* tree-vectorizer.c (vectorize_loops): Likewise.
	* tree-cfg.c (move_block_to_fn): Update lexical block for phi_args.
	* tree-ssa-live.c (clear_unused_block_pointer_1): Look at
	DECL_DEBUG_EXPR again.
	* gimple-low.c (lower_stmt): Set the block for call args.

2012-10-08  Dehao Chen  <dehao@google.com>

	Backport 192215 from trunk:

	2012-10-08  Dehao Chen  <dehao@google.com>

	* predict.c (predict_extra_loop_exits): Use
	predict_paths_leading_to_edge to replace predict_edge_def.

2012-10-01  Teresa Johnson  <tejohnson@google.com>

        Backport 191932 from google/main:

        Add a new dump flag that dumps PMU profile information using the -pmu
        dump option.

        2012-10-01  Teresa Johnson  <tejohnson@google.com>
                    Chris Manghane  <cmang@google.com>

	* doc/invoke.texi: Update -fpmu-profile-use option.
	* tree-dump.c: Add new dump flag.
	* tree-pretty-print.c (dump_load_latency_details): New function.
	(dump_pmu): Ditto.
	(dump_generic_node): Add support for new dump flag.
	* tree-pretty-print.h (dump_pmu): Declare.
	* tree-pass.h (enum tree_dump_index): Add new dump flag.
	* gcov.c (process_pmu_profile): Fix string table count assert.
	* opts.c (OPT_fpmu_profile_use_): Add support for -fpmu-profile-use.
	* gimple-pretty-print.c (dump_gimple_phi): Add support for new dump
        flag.
	(dump_gimple_stmt): Ditto.
	* coverage.c (struct pmu_entry): New structure.
        (struct gcov_pmu_summary): Ditto.
	(htab_pmu_entry_hash): New function.
	(htab_pmu_entry_eq): Ditto.
	(htab_pmu_entry_del): Ditto.
	(read_pmu_file): Ditto.
	(get_pmu_hash_entry): Ditto.
	(process_pmu_data): Ditto.
	(get_coverage_pmu_latency): Ditto.
	(get_coverage_pmu_branch_mispredict): Ditto.
	(pmu_data_present): Ditto.
	(coverage_init): Add pmu file read support.
	* coverage.h (get_coverage_pmu_latency): Declare.
        (get_coverage_pmu_branch_mispredict): Ditto.
	* common.opt: Update -fpmu-profile-use option.

2012-09-28  Rong Xu  <xur@google.com>

	Google Ref: b/7005205
	* gcc/coverage.c (coverage_checksum_string): strip out LIPO 
	specific string. 
	(crc32_string_1): New function.
	* gcc/cp/decl2.c (start_static_storage_duration_function):
	generate LIPO specific string.

2012-09-27  Dehao Chen  <dehao@google.com>

	Backport from trunk r191494, r191510, r191614, r191669, r191680,
	r191706, r191747, r191759, r191779 and r191810:

	* toplev.c (toplev_main): Finalize block_locations.
	* tree.c (tree_set_block): New.
	(tree_block): Change to use LOCATION_BLOCK.
	(build1_stat): Remove block.
	* tree.h (TREE_SET_BLOCK): New.
	(tree_set_block): New.
	(tree_block): Change to return tree.
	(TREE_BLOCK): Likewise.
	(tree_exp): Remove block.
	(DECL_IS_BUILTIN): Compare LOCATION_LOCUS.
	(EXPR_HAS_LOCATION): Likewise.
	(inlined_function_outer_scope_p): Likewise.
	(OMP_CLAUSE_HAS_LOCATION): Likewise.
	* cfglayout.c (reemit_insn_block_notes): Change to use LOCATION_BLOCK.
	(fixup_reorder_chain): Likewise.
	(insn_discriminator): Likewise.
	(insn_locators_alloc): Remove.
	(insn_locators_finalize): Remove.
	(insn_locators_free): Remove.
	(set_curr_insn_source_location): Remove.
	(get_curr_insn_source_location): Remove.
	(set_curr_insn_block): Remove.
	(get_curr_insn_block): Remove.
	(locator_scope): Remove.
	(insn_scope): Change to use new location.
	(locator_location): Remove.
	(insn_line): Change to use new location.
	(locator_file): Remove.
	(insn_file): Change to use new location.
	(locator_eq): Remove.
	(insn_locations_init): New.
	(insn_locations_finalize): New.
	(set_curr_insn_location): New.
	(curr_insn_location): New.
	* final.c (final_start_function): Likewise.
	* input.c (expand_location): Likewise.
	(location_with_discriminator): Likewise.
	(has_discriminator): Likewise.
	(map_discriminator_location): Likewise.
	(get_discriminator_from_locus): Likewise.
	* input.h (LOCATION_LOCUS): New.
	(LOCATION_BLOCK): New.
	* fold-const.c (expr_location_or): Change to use new location.
	* reorg.c (emit_delay_sequence): Likewise.
	(dbr_schedule): Likewise.
	* modulo-sched.c (loop_single_full_bb_p): Likewise.
	(dump_insn_location): Likewise.
	(loop_canon_p): Likewise.
	(sms_schedule): Likewise.
	* lto-streamer-out.c (lto_output_location_bitpack): Likewise.
	* lto-cgraph.c (output_node_opt_summary): Likewise.
	* jump.c (rtx_renumbered_equal_p): Likewise.
	* ifcvt.c (noce_try_move): Likewise.
	(noce_try_store_flag): Likewise.
	(noce_try_store_flag_constants): Likewise.
	(noce_try_addcc): Likewise.
	(noce_try_store_flag_mask): Likewise.
	(noce_try_cmove): Likewise.
	(noce_try_cmove_arith): Likewise.
	(noce_try_minmax): Likewise.
	(noce_try_abs): Likewise.
	(noce_try_sign_mask): Likewise.
	(noce_try_bitop): Likewise.
	(noce_process_if_block): Likewise.
	(cond_move_process_if_block): Likewise.
	(find_cond_trap): Likewise.
	* ipa-prop.c (ipa_set_jf_constant): Likewise.
	(ipa_write_jump_function): Likewise.
	* dwarf2out.c (add_src_coords_attributes): Likewise.
	* expr.c (expand_expr_real): Likewise.
	* tree-parloops.c (create_loop_fn): Likewise.
	* recog.c (peep2_attempt): Likewise.
	* function.c (free_after_compilation): Likewise.
	(expand_function_end): Likewise.
	(maybe_copy_prologue_epilogue_insn): Likewise.
	(set_insn_locations): Likewise.
	(thread_prologue_and_epilogue_insns): Likewise.
	* print-rtl.c (print_rtx): Likewise.
	* profile.c (branch_prob): Likewise.
	* trans-mem.c (ipa_tm_scan_irr_block): Likewise.
	* gimplify.c (gimplify_call_expr): Likewise.
	* except.c (duplicate_eh_regions_1): Likewise.
	* emit-rtl.c (try_split): Likewise.
	(make_insn_raw): Likewise.
	(make_debug_insn_raw): Likewise.
	(make_jump_insn_raw): Likewise.
	(make_call_insn_raw): Likewise.
	(emit_pattern_after_setloc): Likewise.
	(emit_pattern_after): Likewise.
	(emit_insn_after_setloc): Likewise.
	(emit_insn_after): Likewise.
	(emit_jump_insn_after_setloc): Likewise.
	(emit_jump_insn_after): Likewise.
	(emit_call_insn_after_setloc): Likewise.
	(emit_call_insn_after): Likewise.
	(emit_debug_insn_after_setloc): Likewise.
	(emit_debug_insn_after): Likewise.
	(emit_pattern_before_setloc): Likewise.
	(emit_pattern_before): Likewise.
	(emit_insn_before_setloc): Likewise.
	(emit_insn_before): Likewise.
	(emit_jump_insn_before_setloc): Likewise.
	(emit_jump_insn_before): Likewise.
	(emit_call_insn_before_setloc): Likewise.
	(emit_call_insn_before): Likewise.
	(emit_debug_insn_before_setloc): Likewise.
	(emit_debug_insn_before): Likewise.
	(emit_copy_of_insn_after): Likewise.
	* cfgexpand.c (gimple_assign_rhs_to_tree): Change to use new location.
	(expand_gimple_cond): Likewise.
	(expand_call_stmt): Likewise.
	(expand_gimple_stmt_1): Likewise.
	(expand_gimple_basic_block): Likewise.
	(construct_exit_block): Likewise.
	(gimple_expand_cfg): Likewise.
	* cfgcleanup.c (try_forward_edges): Likewise.
	* tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
	(dump_scope_block): Likewise.
	(mark_all_vars_used): Likewise.
	(remove_unused_locals): Likewise.
	(clear_unused_block_pointer): New.
	(clear_unused_block_pointer_1): New.
	* rtl.c (rtx_equal_p_cb): Likewise.
	(rtx_equal_p): Likewise.
	* rtl.h (XUINT): New.
	(INSN_LOCATOR): Remove.
	(CURR_INSN_LOCATION): Remove.
	(INSN_LOCATION): New.
	(INSN_HAS_LOCATION): New.
	* tree-inline.c (remap_gimple_op_r): Change to use new location.
	(copy_tree_body_r): Likewise.
	(copy_phis_for_bb): Likewise.
	(expand_call_inline): Likewise.
	* tree-streamer-in.c (lto_input_ts_exp_tree_pointers): Likewise.
	* tree-streamer-out.c (write_ts_decl_minimal_tree_pointers): Likewise.
	* gimple-streamer-out.c (output_gimple_stmt): Likewise.
	* combine.c (try_combine): Likewise.
	* tree-outof-ssa.c (set_location_for_edge): Likewise.
	(insert_partition_copy_on_edge): Likewise.
	(insert_value_copy_on_edge): Likewise.
	(insert_rtx_to_part_on_edge): Likewise.
	(insert_part_to_rtx_on_edge): Likewise.
	* basic-block.h (edge_def): Remove field.
	* gimple.h (gimple_statement_base): Remove field.
	(gimple_bb): Change to use new location.
	(gimple_block): Likewise.
	(gimple_set_block): Likewise.
	(gimple_set_location): Likewise.
	(gimple_has_location): Likewise.
	* tree-cfg.c (make_cond_expr_edges): Likewise.
	(make_goto_expr_edges): Likewise.
	(gimple_can_merge_blocks_p): Likewise.
	(assign_discriminator): Likewise.
	(move_stmt_op): Likewise.
	(move_block_to_fn): Likewise.
	* config/alpha/alpha.c (alpha_output_mi_thunk_osf): Likewise.
	* config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
	* config/i386/i386.c (x86_output_mi_thunk): Likewise.
	* config/tilegx/tilegx.c (tilegx_output_mi_thunk): Likewise.
	* config/sh/sh.c (sh_output_mi_thunk): Likewise.
	(gen_block_redirect): Likewise.
	* config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
	* config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
	(rs6000_final_prescan_insn): Likewise.
	* config/score/score.c (score_output_mi_thunk): Likewise.
	* config/tilepro/tilepro.c (tilepro_asm_output_mi_thunk): Likewise.
	* config/mips/mips.c (mips_output_mi_thunk): Likewise.
	(mips16_gp_pseudo_reg): Likewise.
	* config/s390/s390.c (s390_chunkify_start): Likewise.
	* config/spu/spu.c (emit_nop_for_insn): Likewise.
	(pad_bb): Likewise.
	(spu_emit_branch_hint): Likewise.
	(insert_hbrp_for_ilb_runout): Likewise.
	* config/mep/mep.c (mep_make_bundle): Likewise.
	(mep_bundle_insns): Likewise.
	* config/c6x/c6x.c (gen_one_bundle): Likewise.
	* config/picochip/picochip.c (picochip_reorg): Likewise.
	* config/arm/arm.c (require_pic_register): Likewise.
	* config/bfin/bfin.c (gen_one_bundle): Likewise.
	* cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
	(cfg_layout_merge_blocks): Likewise.
	* stmt.c (emit_case_nodes): Likewise.
	* tree-eh.c (lower_try_finally_dup_block): Likewise.
	(honor_protect_cleanup_actions): Likewise.

2012-09-24  Xinliang David Li  <davidxl@google.com>

	* varasm.c (finish_alias_1):  Fix mis-fired error
	for extern alias (same-body) in LIPO mode.

2012-09-24  Xinliang David Li  <davidxl@google.com>

	* df-problems.c (df_check_ud_du_memory_usage): New function.
	* ree.c (rest_of_handle_ree): Suppress ree if it requires
	 too much memory.
	* dce.c (rest_of_handle_ud_dce): Ditto.

2012-09-24  Rong Xu  <xur@google.com>

	Google Ref: b/7210837 and b/7210303. 
	* coverage.c (force_matching_cg_opts): add new entries.
 
2012-09-24  Rong Xu  <xur@google.com>

	Google ref b/7078882.
	* l-ipo.c (cgraph_is_aux_decl_external): output comdat
	virtual functions when they are auxiliary modules; otherwise
	we may get undefined symbol in linking.

2012-09-14  Dehao Chen  <dehao@google.com>

	Backport r191338 from trunk.

	2012-09-14  Dehao Chen  <dehao@google.com>

	* tree-eh.c (goto_queue_node): New field.
	(record_in_goto_queue): New parameter.
	(record_in_goto_queue_label): New parameter.
	(lower_try_finally_dup_block): New parameter.
	(maybe_record_in_goto_queue): Update source location.
	(lower_try_finally_copy): Likewise.
	(honor_protect_cleanup_actions): Likewise.
	* gimplify.c (gimplify_expr): Reset the location to unknown.

2012-09-14  Teresa Johnson  <tejohnson@google.com>

	Backport from trunk r190952 and r191238:

	* gcov-io.c (gcov_write_summary): Write out non-zero histogram
	entries to function summary along with an occupancy bit vector.
	(gcov_read_summary): Read in the histogram entries.
	(gcov_histo_index): New function.
	(gcov_histogram_merge): Ditto.
	* gcov-io.h (gcov_type_unsigned): New type.
	(struct gcov_bucket_type): Ditto.
	(struct gcov_ctr_summary): Include histogram.
	(GCOV_TAG_SUMMARY_LENGTH): Update to include histogram entries.
	(GCOV_HISTOGRAM_SIZE): New macro.
	(GCOV_HISTOGRAM_BITVECTOR_SIZE): Ditto.
	(gcov_gcda_file_size): New parameter.
	* profile.c (NUM_GCOV_WORKING_SETS): Ditto.
	(gcov_working_sets): New global variable.
	(compute_working_sets): New function.
	(find_working_set): Ditto.
	(get_exec_counts): Invoke compute_working_sets.
	* loop-unroll.c (code_size_limit_factor): Call new function
	find_working_set to obtain working set information.
	* coverage.c (read_counts_file): Merge histograms, and
	fix bug with accessing summary info for non-summable counters.
	* basic-block.h (gcov_type_unsigned): New type.
	(struct gcov_working_set_info): Ditto.
	(find_working_set): Declare.
	* gcov-dump.c (tag_summary): Dump out histogram.
	* configure.ac (HOST_HAS_F_SETLKW): Set based on compile
	test using F_SETLKW with fcntl.
	* configure, gcc/config.in: Regenerate.

2012-09-13  Xinliang David Li  <davidxl@google.com>

	* cgraphunit.c (cgraph_add_output_node): Check for
	duplicates of compiler generated functions.

2012-09-12   Cary Coutant  <ccoutant@google.com>

	* gcc.c (replace_extension_spec_func): Restrict search for
	extension to last component of path.

2012-09-10  Sterling Augustine  <saugustine@google.com>

	* dwarf2out.c (output_pubname): Correct conditional.

2012-09-10  Teresa Johnson  <tejohnson@google.com>

	* loop-unroll.c (code_size_limit_factor): Guard against divide
	by zero exception.

2012-09-05  Cary Coutant  <ccoutant@gmail.com>

	Backport trunk patch to fix a problem where type signature does
	not include the type's context.

	2012-07-19  Jason Merrill  <jason@redhat.com>

	    PR debug/53235
	    * dwarf2out.c (get_die_parent): New.
	    (generate_type_signature): Use it.

2012-08-31   Cary Coutant  <ccoutant@google.com>

	* dwarf2out.c (clone_tree_partial): Restore.
	(copy_decls_walk): Call clone_tree_partial to copy children
	of non-declaration DIEs.

2012-08-29  Chris Manghane  <cmang@google.com>

	Backport r190762 from google/main.

	2012-08-28  Chris Manghane  <cmang@google.com>

	* gcc/gcov.c
	(release_structures): Removed filename field from PMU structures.
	(filter_pmu_data_lines): Added PMU string table support.
	(process_pmu_profile): Ditto.
	* gcc/gcov-io.c
	(gcov_read_pmu_load_latency_info): Replaced filename field with filetag.
	(gcov_read_pmu_branch_mispredict_info): Ditto.
	(gcov_read_pmu_string_table_entry): New Function.
	(print_load_latency_line): Replaced filename field with filetag.
	(print_branch_mispredict_line): Ditto.
	(print_string_table_entry): New function.
	* gcc/gcov-io.h
	(GCOV_TAG_PMU_LOAD_LATENCY_LENGTH): Replaced filename field with filetag
	(GCOV_TAG_PMU_BRANCH_MISPREDICT_LENGTH): Ditto.
	(GCOV_TAG_PMU_STRING_TABLE_ENTRY): Added new tag.
	(GCOV_TAG_PMU_STRING_TABLE_ENTRY_LENGTH): Ditto.
	(gcov_pmu_load_latency_info): Replaced filename field with filetag.
	(gcov_pmu_branch_mispredict_info): Ditto.
	(gcov_pmu_string_table_entry): New struct.
	(gcov_pmu_string_table): New struct.
	(gcov_write_ll_line): Moved pmu writing utilities to global header.
	(gcov_write_branch_mispredict_line): Ditto.
	(gcov_write_string_table_entry): Ditto.
	(gcov_write_tool_header): Ditto.
	* gcc/gcov-dump.c
	(tag_pmu_load_latency_info): Removed PMU filename field.
	(tag_pmu_branch_mispredict_info): Ditto.
	(tag_pmu_string_table_entry): New function.

2012-08-29   Cary Coutant  <ccoutant@google.com>

	* dwarf2out.c (clone_tree_partial): Remove.
	(copy_decls_walk): Don't copy children of a declaration
	into a type unit.

2012-08-23  Teresa Johnson  <tejohnson@google.com>

	* config/i386/i386.md (anddi_1): Add new r,qm,Lh pattern
	first to catch an and with 0xff that would be turned into
	an andw on machines with length-changing prefix stalls,
	and instead convert it into a zero-extending move.
	(andsi_1, andhi_1): Ditto.
	* config/i386/constraints.md (La): Rename from "L".
	(Lh): New constraint to match possible LCP stalling ands.
	* config/i386/i386.c (ix86_binary_operator_ok): Update
	for rename of "L" constraint.

2012-08-23  Teresa Johnson  <tejohnson@google.com>

	* Revert r189866

2012-08-23   Xinliang David Li  <davidxl@google.com>

	*coverage.c (check_cg_opts): New function.
	(has_incompatible_cg_opts): Ditto.
	(incompatible_cl_args): Handle incompatible cg
	options more generally, and added -fsized-delete.

2012-08-23  Sriraman Tallam  <tmsriram@google.com>

	Backport r186789,r186795,r186855,r187365,r188417

	r186789:
	2012-04-24  Sriraman Tallam  <tmsriram@google.com>

		* config/i386/i386.c (build_processor_model_struct): New function.
		(make_var_decl): New function.
		(fold_builtin_cpu): New function.
		(ix86_fold_builtin): New function.
		(make_cpu_type_builtin): New function.
		(ix86_init_platform_type_builtins): New function.
		(ix86_expand_builtin): Expand new builtins by folding them.
		(ix86_init_builtins): Make new builtins to detect CPU type.
		(TARGET_FOLD_BUILTIN): New macro.
		(IX86_BUILTIN_CPU_INIT): New enum value.
		(IX86_BUILTIN_CPU_IS): New enum value.
		(IX86_BUILTIN_CPU_SUPPORTS): New enum value.
		* config/i386/i386-builtin-types.def: New function type.
		* testsuite/gcc.target/builtin_target.c: New testcase.
		* doc/extend.texi: Document builtins.

	r186795:
	No changes.

	r186855:
	2012-04-25  Sriraman Tallam  <tmsriram@google.com>

		* doc/extend.texi: Document avx2 support.
		* config/i386/i386.c (fold_builtin_cpu): Add avx2.
		* testsuite/gcc.target/i386/builtin_target.c: Check avx2.

	r187365:
	2012-05-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

		* doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
		Document requirement to call in constructors.

		* config/i386/i386.c: Update comments for i386-cpuinfo.c name
		change.

	r188417:
	2012-06-11  Sriraman Tallam  <tmsriram@google.com>

		* testsuite/gcc.target/i386/builtin_target.c (vendor_signatures): New enum.
		(check_intel_cpu_model): New function.
		(check_amd_cpu_model): New function.
		(check_features): New function.
		(__get_cpuid_output): New function.
		(check_detailed): New function.
		(fn1): Rename to quick_check.
		(main): Update to call quick_check and call check_detailed.

2012-08-22   Cary Coutant  <ccoutant@google.com>

	* dwarf2out.c (should_move_die_to_comdat): A type definition
	can contain a subprogram definition, but don't move it to a
	comdat unit.

2012-08-20   Cary Coutant  <ccoutant@google.com>

	* dwarf2out.c (remove_loc_list_addr_table_entries): Change
	parameter; update all calls.
	(output_pubname): Don't assert on unknown TAGs.
	(resolve_addr): Call remove_loc_list_addr_table_entries for all
	location expressions.

2012-08-20  Sterling Augustine  <saugustine@google.com>

	* dwarf2out.c (DEBUG_PUBNAMES_SECTION, DEBUG_PUBTYPES_SECTION): Adjust
	macros.
	(is_java, include_pubname_in_output): New functions.
	(size_of_pubnames): Call include_pubname_in_output.  New variable
	space_for_flags.
	(output_pubnames): Refactor, moving most of the logic to...
	(output_pubname): ... here.  New function.
	(dwarf2out_finish): Move output pubtable logic to...
	(output_pubtables): ... here.  New function.
	* common.opt (ggnu-pubnames):  New option.
	(gpubnames, gno-pubnames): Adjust.
	* doc/invoke.texi: Document -ggnu-pubnames.

2012-08-17   Cary Coutant  <ccoutant@google.com>

	* dwarf2out.c (is_class_die): Remove function.
	(add_pubname): Call class_scope_p instead.

2012-08-17   Xinliang David Li  <davidxl@google.com>

	cgraphunit.c (is_backend_entered_p): New function.

2012-08-14  Han Shen  <shenhan@google.com>
	Backport from mainline.

	2012-05-01  Richard Earnshaw  <rearnsha@arm.com>

	    * arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_DEFAULT): Avoid ifdef
	    comparing enumeration values.  Update comments.

	2012-04-26  Michael Hope  <michael.hope@linaro.org>
		    Richard Earnshaw  <rearnsha@arm.com>

	    * config/arm/linux-eabi.h (GLIBC_DYNAMIC_LINKER_SOFT_FLOAT): Define.
	    (GLIBC_DYNAMIC_LINKER_HARD_FLOAT): Define.
	    (GLIBC_DYNAMIC_LINKER_DEFAULT): Define.
	    (GLIBC_DYNAMIC_LINKER): Redefine to use the hard float path.

2012-08-13  Xinliang David Li  <davidxl@google.com>

	Google ref/6911651
	* tree-ssa.c (warn_uninitialized_vars): Guard
	possibly uninitialized warning under
	-Wmaybe-uninitialized

2012-08-09   Cary Coutant  <ccoutant@google.com>

	* tree-diagnostic.c (maybe_unwind_expanded_macro_loc): Check for
	discriminator.
	* diagnostic.c (diagnostic_report_current_module): Likewise.

2012-08-09   Cary Coutant  <ccoutant@google.com>

    Backport of pending upstream patch.

	* dwarf2out.c (clone_as_declaration): Copy DW_AT_abstract_origin
	attribute.
	(generate_skeleton_bottom_up): Remove DW_AT_object_pointer attribute
	from original DIE.
	(clone_tree_hash): Rename to ...
	(clone_tree_partial): ... this; change callers.  Copy
	DW_TAG_subprogram DIEs as declarations.

2012-08-07  Cary Coutant  <ccoutant@google.com>

    Backport r190190 from trunk.

	* cgraphunit.c (assemble_thunk): Add source line info.
	* final.c (final): Check for non-null cfg pointer.

2012-08-01  Dehao Chen  <dehao@google.com>

	Backport r190015 from trunk:

	2012-07-31  Dehao Chen  <dehao@google.com>
	* predict.c (tree_estimate_probability_driver): Normalize the
	loop when initializing the loop optimizer.

2012-07-26   Cary Coutant  <ccoutant@google.com>

	* dwarf2out.c (dwo_id_placeholder): Delete.
	(output_skeleton_debug_sections): Don't write dwo_id here.
	(dwarf2out_finish): Compute dwo_id and write it to both comp units.

2012-07-25  Cary Coutant  <ccoutant@google.com>

    Backport pending upstream patch to output DW_AT_high_pc as a constant
    instead of a relocated address.  This significantly reduces the number
    of entries used in the .debug_addr table with -gfission.

    2012-04-27  Mark Wielaard  <mjw@redhat.com>

	* dwarf2out.h (enum dw_val_class): Add dw_val_class_high_pc.
	* dwarf2out.c (dw_val_equal_p): Handle dw_val_class_high_pc.
	(add_AT_low_high_pc): New function.
	(AT_lbl): Handle dw_val_class_high_pc.
	(print_die): Likewise.
	(attr_checksum): Likewise.
	(attr_checksum_ordered): Likewise.
	(same_dw_val_p): Likewise.
	(size_of_die): Likewise.
	(value_format): Likewise.
	(output_die): Likewise.
	(gen_subprogram_die): Use add_AT_low_high_pc.
	(add_high_low_attributes): Likewise.
	(dwarf2out_finish): Likewise.

2012-07-25  Teresa Johnson  <tejohnson@google.com>

	Backport the following patches from trunk to ensure that
	"andw $0xff, $reg" is always converted to a zero extend
	to avoid LCP stalls on core2/corei7 (b/6615073):
	r184891, r186839, r186979, r186993, r188630, r188634, r188648

	r184891:
	2012-03-04  Uros Bizjak  <ubizjak@gmail.com>
	* config/i386/constraints.md (Ya): New internal constraint.
	* config/i386/i386.md (zero_extendsidi2): Remove expansion.
	(*zero_extendsidi2_rex64): Add x,x alternative.
	(*zero_extendsidi2): Ditto.  Add o,0 alternative.
	Remove flags reg clobber.  Adjust corresponding splits.
	(zero_extend<mode>si2): Macroize expander from zero_extendhisi2 and
	zero_extendqisi2 expanders using SWI12 mode iterator.
	(zero_extend<mode>si2_and): Macroize insn from
	zero_extendhisi2_and and zero_extendqisi2_and.  Merge corresponding
	splitters.
	(*zero_extend<mode>si2):  Macroize insn from
	*zero_extendhisi2_movzbl and *zero_extendqisi2_movzbl.
	(*zero_extend*2_movzbl_and): Remove insn patterns.
	(zero_extendqihi2_and): Merge corresponding splitter.
	(*zero_extendqihi2): Rename from *zero_extendqihi2_movzbl.
	(*zero_extend*2_movzbl_and): Remove insn patterns.
	(*anddi_1): Split TYPE_IMOVX instructions.
	(*andsi_1): Use Ya for alternative 2.  Split TYPE_IMOVX instructions.
	(*andhi_1): Ditto.
	(and->zext splitter): Add splitter pattern.
	(zero extend with andsi3 splitter): Adjust zero_extend pattern.

	r186839:
	2012-04-25  Jakub Jelinek  <jakub@redhat.com>
	PR target/53110
	* config/i386/i386.md (and<mode>3): For andq $0xffffffff, reg
	instead expand it as zero extension.

	r186979:
	2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
	* config/i386/i386.md (and<mode>3): Expand masking operations with
	0xff, 0xffff or 0xffffffff immediates to corresponding zero_extend RTX.
	(and splitter): Split to DImode zero_extend RTX for DImode operand[0].

	r186993:
	2012-04-30  Uros Bizjak  <ubizjak@gmail.com>
	* config/i386/i386.md (and<mode>3): Change runtime operand mode checks
	to compile-time "mode == <MODE>mode" checks.
	(and splitter): Ditto.

	r188630:
	2012-06-14  Uros Bizjak  <ubizjak@gmail.com>
	* config/i386/i386.md (*zero_extendsidi2): Remove x,x alternative.
	(*zero_extendsidi2_rex64): Ditto.  Remove isa attribute.

	r188634:
	2012-06-14  Uros Bizjak  <ubizjak@gmail.com>
	Fix my previous commit to:
	* config/i386/i386.md (*zero_extendsidi2): Remove x,x alternative.
	(*zero_extendsidi2_rex64): Ditto.  Remove isa attribute.

	r188648:
	2012-06-14  Uros Bizjak  <ubizjak@gmail.com>
       (*zero_extendsidi2_rex64): Remove isa attribute.

2012-07-25  Cary Coutant  <ccoutant@google.com>

    	* common.opt (-gfission): Alias for -gsplit-dwarf.
    	(-gno-fission): Alias for -gno-split-dwarf.

2012-07-25   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_7-branch rev 189718.

2012-07-24  Cary Coutant  <ccoutant@google.com>

    Backport pending Fission patch at http://codereview.appspot.com/6305113.
    
    2012-07-18  Sterling Augustine <saugustine@google.com>
		Cary Coutant <ccoutant@google.com>
    
    	* common.opt (gno-split-dwarf, gsplit-dwarf): New switches.
    	* doc/invoke.texi (Debugging Options): Document them.
    	* opts.c (finish_options): Make gsplit-dwarf imply -gpubnames.
    	* dwarf2out.h (dw_val_struct): New field val_index.
    	* dwarf2out.c (debug_skeleton_info_section,
    	debug_skeleton_abbrev_section, debug_addr_section,
    	debug_skeleton_line_section, debug_str_offsets_section): New sections.
    	(indirect_string_node): Add index field.
    	(dw_loc_list_node): Add begin_index field.
    	(dw_addr_op, new_addr_loc_descr, AT_index, set_AT_index,
    	add_addr_table_entry, remove_addr_table_entry, output_range_list_offset,
    	output_loc_list_offset, output_attr_index_or_value,
    	remove_loc_list_addr_table_entries, output_die_abbrevs,
    	add_top_level_skeleton_die_attrs, get_skeleton_type_unit,
    	output_skeleton_debug_sections, output_index_strings,
    	output_addr_table, index_location_lists): New functions.
    	(DEBUG_DWO_INFO_SECTION, DEBUG_DWO_ABBREV_SECTION, DEBUG_ADDR_SECTION,
    	DEBUG_NORM_MACINFO_SECTION, DEBUG_DWO_MACINFO_SECTION,
    	DEBUG_DWO_LINE_SECTION, DEBUG_DWO_LOC_SECTION,
    	DEBUG_NORM_STR_OFFSETS_SECTION, DEBUG_DWO_STR_SECTION,
    	DEBUG_MACRO_SECTION_FLAGS, DEBUG_SKELETON_LINE_SECTION_LABEL,
    	DEBUG_SKELETON_INFO_SECTION_LABEL, DEBUG_SKELETON_ABBREV_SECTION_LABEL,
    	DEBUG_ADDR_SECTIN_LABEL, SKELETON_COMP_DIE_ABBREV,
    	SKELETON_TYPE_DIE_ABBREV): New defines.
    	(DEBUG_MACINFO_SECTION, DEBUG_MACRO_SECTION, DEBUG_STR_SECTION
    	DEBUG_STR_SECTION_FLAGS): Adjust definitions.
    	(TEXT_SECTION_LABEL, COLD_TEXT_SECTION_LABEL, DEBUG_INFO_SECTION_LABEL,
    	DEBUG_ABBREV_SECTION_LABEL, DEBUG_LOC_SECTION_LABEL,
    	DEBUG_RANGES_SECTION_LABEL, DEBUG_MACINFO_SECTION_LABEL,
    	DEBUG_MACRO_SECTION_LABEL): Adjust indentation.
    	(debug_skeleton_info_section_label, debug_skeleton_abbrev_section_label,
    	debug_addr_section_label, debug_skeleton_line_section_label,
    	dw_id_placeholder): New	global variables.
    	(add_AT_lbl_id): Add force_direct parameter.  Adjust calls throughout
    	file.  Handle dwarf_split_debug_info.
    	(add_AT_addr). Likewise.  Initialize val_index_field.
    	(add_AT_range_list): Add force parameter.  Adjust calls throughout file.
    	Initialize val_index field.
    	(add_ranges_by_labels): Add and handle force_direct parameter.  Adjust
    	calls throughout file.
    	(size_of_die): New variable form.  Handle dwarf_split_debug_info and
    	call AT_index.
    	(value_format): Use AT_class instead of calling val_class directly.
    	Handle DW_FORM_addr and dw_val_class_lbl_id appropriately for
    	dwarf_split_debug_info and AT_index.
    	(output_abbrev_section): Move most code to new function
    	output_die_abbrevs.
    	(output_loc_list): Handle dwarf_split_debug_info by using
    	DW_LLE_start_length_entry and DW_LLE_end_of_list_entry.
    	(output_die): Call output_attr_index_or_value, output_range_list_offset,
    	Fix format string.  Check val_str->form directly to avoid side effect.
    	(add_pubtype): Fix indention.
    	(output_comdat_type_unit): Handle dwarf_split_debug_info.
    	(output_pubnames): Likewise.
    	(output_aranges): Likewise.
    	(output_mac_info): Likewise.
    	(output_line_info): New parameter prologue_only.  Adjust calls
    	throughout file.
    	(mem_loc_descriptor): Call new_addr_loc_descr.
    	(loc_descriptor): Likewise.
    	(add_const_value_attribute): Likewise.
    	(loc_list_from_tree): Replace first_op and second_op with tls_op.
    	Update associated logic.  Call new_addr_loc_descr.
    	(dwarf2out_init): Handle dwarf_split_debug_info.  Initialize
    	debug_skeleton_info_section, debug_skeleton_abbrev_section,
    	debug_addr_section, debug_skeleton_line_section,
    	debug_str_offsets_section, debug_skeleton_info_section_label,
    	debug_skeleton_abbrev_section_label, debug_addr_section_label and
    	debug_skeleton_line_section_label.  Use DEBUG_MACRO_SECTION_FLAGS.
    	(new_loc_descr, build_cfa_loc, add_AT_flag, add_AT_int, add_AT_unsigned,
    	add_AT_double, add_AT_vec, add_AT_data8, add_AT_string, add_AT_die_ref,
    	add_AT_fde_ref, add_AT_loc, add_AT_loc_list, add_AT_file,
    	add_AT_vms_delta, add_AT_lineptr, add_AT_macptr, add_AT_offset):
    	Initialize val_index field.
    	(size_of_loc_descr, output_loc_operands, output_loc_operands_raw,
    	resolve_addr_in_expression, hash_loc_operands):	Handle
    	DW_OP_GNU_addr_index and DW_OP_GNU_const_index.
    	(compare_loc_operands):  Likewise.  Adjust assertion.
    	(AT_string_form): Handle dwarf_split_debug_info.
    	(resolve_addr): New local variable l.  Check val_index.  Call
    	remove_addr_table_entry and remove_loc_list_addr_table_entries.
    	(dwarf2out_finish): Handle dwarf_split_debug_info.  New variable
    	main_comp_unit_die.  Call index_location_lists, add_AT_data8,
    	add_AT_lineptr, output_skeleton_debug_sections, output_addr_table.  Move
    	call to	ASM_GENERATE_INTERNAL_LABEL to dwarf2out_init.  Call
    	ASM_OUTPUT_LABEL for debug_skeleton_line_section_label and
    	debug_addr_section_label.  Adjust comment.
    	* gcc.c (replace_extension_spec_func):  New function.
    	(ASM_FINAL_SPEC): Adjust.  Fix related comments.
    	(check_live_switch): Likewise.
    
2012-07-24  Xinliang David Li  <davidxl@google.com>

	* diagnostic.c (diagnostic_initialize): Initialize
	new field.
	(diagnostic_report_diagnostic): Honor -Wforce-warnings.
	* diagnostic.h: New field.
	* opts.c (common_handle_option): Handle new option.
	* coverage.c (get_da_file_name): Handle new option.
	* common.opt: New options.

2012-07-24  Cary Coutant  <ccoutant@google.com>
    
    Backport Fission patches from trunk at r188195, r188857, r189084,
    r189094, and r189392.
    
    2012-06-29   Cary Coutant  <ccoutant@google.com>
    
    	* dwarf2out.c (add_pubname_string): Don't check for want_pubnames.
    	(gen_subprogram_die): Don't add pubname if want_pubnames is false.
    	(gen_variable_die): Likewise.
    	(gen_namespace_die): Likewise.
    
    2012-06-29  Sterling Augustine  <saugustine@google.com>
    
    	* dwarf2out.c (add_pubname): Add comment.
    	(add_pubtype): Fix indentation.
    	(gen_enumeration_type_die): Likewise.
    
    2012-06-21   Sterling Augustine  <saugustine@google.com>
    		 Cary Coutant  <ccoutant@google.com>
    
    	* dwarf2out.c (is_cu_die, is_namespace_die, is_class_die,
    	add_AT_pubnames, add_enumerator_pubname, want_pubnames): New functions.
    	(comdat_type_struct): New field 'skeleton_die'.
    	(breakout_comdat_types): Update it.
    	(add_pubname): Rework logic.  Call is_class_die, is_cu_die and
    	is_namespace_die.  Fix minor style violation.  Call want_pubnames.
    	(add_pubname_string): Call want_pubnames.
    	(add_pubtype): Rework logic for calculating type name.  Call
    	is_namespace_die.  Call want_pubnames.
    	(output_pubnames): Move conditional logic deciding when to produce the
    	section from dwarf2out_finish.  Use new skeleton_die field.
    	(base_type_die): Call add_pubtype.
    	(gen_enumeration_type_die): Unconditionally call add_pubtype.
    	(gen_subprogram_die): Adjust calls to add_pubname.
    	(gen_namespace_die): Call add_pubname_string.
    	(dwarf2out_finish): Call add_AT_pubnames; Move logic on when to
    	produce pubnames and pubtypes sections to output_pubnames.
    	* common.opt: New option '-gpubnames'.
    	* doc/invoke.texi: Document it.
    
2012-07-19  Easwaran Raman  <eraman@google.com>

	* params.def (HOT_BB_COUNT_FRACTION): Set default to 60000.

2012-07-19  Rong Xu  <xur@google.com>

	Backport r189691 from google_main.
	* gcc/gcov-io.h (GCOV_TAG_MODULE_INFO): tag needs to be
	 an odd number in each active level.

2012-07-10  Xinliang David Li  <davidxl@google.com>

	Backport r189413 from trunk
	* doc/invoke.texi: New option documented.
	* flag-types.h: New enum type.
	* gimplify.c (gimplify_bind_expr): Control
	clobber generation with new option.
	(gimplify_target_expr): Ditto.
	common.opt: New option.

2012-07-10  Xinliang David Li  <davidxl@google.com>

	* Revert r189107

2012-07-01  Xinliang David Li  <davidxl@google.com>

	* common.opt: -ftemp-reuse-stack option.
	* gimplify.c (gimplify_target_expr): Check new flag.

2012-06-29  Xinliang David Li  <davidxl@google.com>

	* coverage.c (coverage_init): Initialize dyn-ipa
	paramater decls.
	* tree-profile.c (init_comdat_decl): New function.
	(tree_init_dyn_ipa_paramters): Ditto.

2012-06-27  Dehao Chen  <dehao@google.com>

	Backport from trunk r188981.
	* tree-inline.c: (expand_call_inline): Ensure that lexical block's
	source location is consistant with the call stmt.

2012-06-21   Diego Novillo  <dnovillo@google.com>

	Merge from trunk rev 188808.

2012-06-15   Cary Coutant  <ccoutant@google.com>

    Revert Fission patches r182490, r182891, r183042, and r183320.
    This will clear the way to backport the final patches from trunk.

    r182490:

	2011-12-19  Sterling Augustine <saugustine@google.com>

	    * dwarf2out.c (DEBUG_PUBNAMES_SECTION_LABEL,
	    DEBUG_PUBTYPES_SECTION_LABEL): Define.
	    (debug_pubnames_section_label, debug_pubtypes_section_label):
	    Declare.
	    (is_namespace_die, is_class_die): New functions.
	    (add_enumerator_pubname): New function.
	    (add_pubname): Call is_namespace_die, is_cu_die, and is_class_die in
	    conditional.
	    (add_pubtype): Call is_namespace_die. Rework name calculation.  Call
	    type_tag, lang_hooks.dwarf_name and add_enumerator_pubname.
	    (output_pubnames): Output debug_pubnames_section_label or
	    debug_pubtypes_section_label.
	    (base_type_die): Call add_pubtype.
	    (gen_namespace_die): Call add_pubname_string and lang_hooks.dwarf_name.
	    (dwarf2_out_init): Generate debug_pubnames_section_label and
	    debug_pubtypes_section_label.
	    (pubtypes_section_empty): New function.
	    (dwarf2_out_finish): Call add_AT_lineptr if pubnames or pubtypes is
	    non-empty.  When dealing with pubnames, change assertion to conditional.
	    Call pubtypes_section_empty.  Likewise when dealing with pubtypes.
	    Move code checking for empty section to...
	    (pubtypes_section_empty): Here.
	    * target.def: Switch boolean to enable pubnames and pubtypes.

    r182891:

	2012-01-04   Sterling Augustine  <saugustine@google.com>

	    * dwarf2out.c (add_pubname): Move conditional clause from outer to
	    inner if-statement.
	    (dwarf2out_finish): Fix conditions to output DW_AT_GNU_pubnames and
	    DW_AT_GNU_pubtypes.  Move decision to output pubnames and pubtypes from
	    here...
	    (output_pubnames): ...to here.
	    (pubtypes_section_empty): Delete unused function.

    r183042:

	2012-01-09   Sterling Augustine  <saugustine@google.com>

	    * dwarf2out.c (output_pubnames): Add check for info_section_emitted.

    r183320:

	2012-01-19   Sterling Augustine  <saugustine@google.com>

	    * dwarf2out.c (break_out_comdat_types): Add DW_AT_GNU_pubnames and
	    DW_AT_GNU_pubtypes attributes.

2012-06-15   Easwaran Raman  <eraman@google.com>
  Cherrypick r188675 from trunk.
	2012-06-15  Easwaran Raman  <eraman@google.com>
		* passes.c (init_optimization_passes): Remove pass_call_cdce
		from its current position and insert after pass_dce.

2012-06-09   Xinliang Davidl Li  <davidxl@google.com>

	l-ipo.c (pop_module_scope): Stop timer after
	pending decl handling.

2012-06-09   Xinliang Davidl Li  <davidxl@google.com>

	c-family/c-opts.c (lipo_max_mem_reached):  Scale up
	memory allocated to acount for optimizer uses.
	params.def: tune up max lipo mem parameter to 2.8G.

2012-06-07   Easwaran Raman  <eraman@google.com>
  Backport r179412 from google/gcc-4_6 branch.
	2011-09-30  Easwaran Raman  <eraman@google.com>

		* tree-profile.c (gcov_sample_counter_decl): Add GTY marker.
		(gcov_sampling_rate_decl): Likewise.
		(add_sampling_to_edge_counters): Do not free
		instrumentation_to_be_sampled.
		(cleanup_instrumentation_sampling): New function.
		(tree_profiling): Call cleanup_instrumentation_sampling at the end.

2012-06-07  Teresa Johnson  <tejohnson@google.com>

	Backport from google/main r188308.
	2012-06-07  Teresa Johnson  <tejohnson@google.com>

	* doc/invoke.texi: Rename -fripa-peel-size-limit
	and -fripa-unroll-size-limit to -fpeel-codesize-limit and
	-funroll-codesize-limit, respectively. Remove
	codesize-hotness-threshold param and add unrollpeel-hotness-threshold
	param.
	* gcov-io.c (gcov_write_summary): Write new summary info.
	(gcov_read_summary): Read new summary info.
	* gcov-io.h (GCOV_TAG_SUMMARY_LENGTH): Update for new summary info.
	(struct gcov_ctr_summary): Add new summary info: num_hot_counters.
	* loop-unroll.c (limit_code_size): Renamed to
	code_size_limit_factor.
	(code_size_limit_factor): Renamed from limit_code size. Update to
	use new summary info and refine for very hot loops.
	(decide_unrolling_and_peeling): Remove call to limit_code_size.
	(decide_unroll_runtime_iterations): Call code_size_limit_factor
	to control the unroll factor.
	(decide_peel_simple, decide_unroll_stupid): Ditto.
	* coverage.c (read_counts_file): Propagate new summary info.
	* common.opt: Rename -fripa-peel-size-limit
	and -fripa-unroll-size-limit to -fpeel-codesize-limit and
	-funroll-codesize-limit, respectively.
	* tree-optimize.c (cgraph_codesize_estimate): Remove.
	(compute_codesize_estimate): Remove.
	(execute_cleanup_cfg_post_optimizing): Remove call to
	compute_codesize_estimate.
	* params.def (PARAM_UNROLLPEEL_CODESIZE_THRESHOLD): Remove.
	(PARAM_UNROLLPEEL_HOTNESS_THRESHOLD): Add.
	* gcov-dump.c (tag_summary): Dump new summary info.

2012-06-07  Dehao Chen  <dehao@google.com>

	* gcc/cgraph.c (cgraph_node): Add attribute to function decl.
	* gcc/opts-global.c (add_attribute_pattern): New function.
	(pattern_match_function_attributes): New function.
	(handle_common_deferred_options): Handle new options.
	* gcc/opts.c (common_handle_option): Handle new options.
	* gcc/opts.h (handle_common_deferred_options): New function.
	* gcc/common.opt (ffunction_attribute_list): New option.

2012-06-06   Diego Novillo  <dnovillo@google.com>

  Cherry pick rev 188207.

      2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
      
	    PR c++/53524
	    * doc/invoke.texi (Wenum-compare): Update documentation.
      
      /cp
      2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
      
	    PR c++/53524
	    * call.c (build_conditional_expr_1): Use OPT_Wenum_compare
	    to control enumeral mismatch in conditional expression too.
      
      /testsuite
      2012-06-04  Paolo Carlini  <paolo.carlini@oracle.com>
      
	    PR c++/53524
	    * g++.dg/warn/Wenum-compare-no-2: New.

2012-06-06   Xinliang David Li  <davidxl@google.com>

	coverage.c (coverage_finish): Do not remove gcda file with
	-frandom-seed option -- this recovers the compiler behavior
	before gcc4_7.


2012-06-05   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_7-branch rev 188095 (minus rev 187877).

2012-06-02  Xinliang David Li  <davidxl@google.com>

	l-ipo.c (promote_static_var_func): Promoted static variables from
	primary modules should be marked as externally visible and being
	prevailing def to avoid being localized again later.


2012-06-02   Easwaran Raman  <eraman@google.com>

	* gcc/ipa-inline.c (want_early_inline_function_p): Boost early
	inlining of comdats. Allow more tuning by using params.
	* gcc/params.def (PARAM_EARLY_INLINING_INSNS_NON_LEAF): New param.
	(PARAM_EARLY_INLINING_INSNS_ANY): Likewise.
	(PARAM_EARLY_INLINING_INSNS_COMDAT): Likewise.

2012-05-30  Dehao Chen  <dehao@google.com>

	* predict.c (predict_extra_loop_exit): New function to predict for
	extra loop exits resulted from short-circuit conditions.

2012-05-24   Rong Xu  <xur@google.com>

	* l-ipo.c (create_unique_name): Make temp names demanglable.

2012-05-21   Easwaran Raman  <eraman@google.com>

	* gcc/basic-block.h (maybe_hot_count_p): New declaration.
	* gcc/cgraph.c (dump_cgraph_node): Dump max_bb_count.
	(cgraph_clone_node): Update max_bb_count.
	* gcc/cgraph.h (cgraph_node): Add new field max_bb_count.
	* gcc/cgraphbuild.c (rebuild_cgraph_edges): Compute max_bb_count.
	* gcc/cgraphunit.c (cgraph_copy_node_for_versioning): Copy max_bb_count.
	* gcc/ipa-inline-transform.c (inline_call): Update max_bb_count of
	the function to which this callsite is eventually inlined to.
	* gcc/ipa-inline.c (edge_hot_enough_p): New function.
	(want_inline_small_function_p): Call edge_hot_enough_p instead
	of cgraph_maybe_hot_edge_p.
	* gcc/params.def (PARAM_INLINE_FUNCTION_OVERHEAD_SIZE): New param.
	* gcc/predict.c (maybe_hot_count_p): Make it non static.
	* gcc/testsuite/gcc.dg/tree-prof/inliner-1.c: Add option
	--param inline-hot-caller=0.
	* gcc/testsuite/gcc.dg/tree-prof/lipo/inliner-1_0.c: Likewise.

2012-05-18   Teresa Johnson  <tejohnson@google.com>

	Backport from google/main r187660:
	2012-05-18   Teresa Johnson  <tejohnson@google.com>

	* doc/invoke.texi: Update the documentation with new params.
	* loop-unroll.c (loop_has_FP_comp): Remove function.
	(max_unroll_with_branches): New function.
	(decide_unroll_constant_iterations, decide_unroll_runtime_iterations):
	Add heuristic to avoid increasing branch mispredicts when unrolling.
	(limit_code_size, decide_peel_simple, decide_unroll_stupid): Retrieve
	number of branches from niter_desc instead of via function that walks
	loop.
	* loop-iv.c (get_simple_loop_desc): Invoke new analyze_loop_insns
	function, and add guards to enable this function to work for the
	outermost loop.
	* cfgloop.c (insn_has_fp_set, analyze_loop_insns): New functions.
	(num_loop_branches): Remove.
	* cfgloop.h (struct niter_desc): Added new fields to cache additional
	loop analysis information.
	(num_loop_branches): Remove.
	(analyze_loop_insns): Declare.
	* params.def (PARAM_MIN_ITER_UNROLL_WITH_BRANCHES): New param.
	(PARAM_UNROLL_OUTER_LOOP_BRANCH_BUDGET): Ditto.

2012-05-16  Sriraman Tallam  <tmsriram@google.com>

	Port from google/gcc-4_6 
	r177289, r177308, r179104, r179289, r179303, r179404, r182447
	
	* doc/invoke.texi: Document -freorder-functions=*
	* cgraphbuild.c (remove_cgraph_callee_edges): Preserve
	callgraph till pass_final.
	* configure: Regenerate.
	* final.c (dump_cgraph_profiles): New function.
	(rest_of_handle_final): Call dumping of cgraph profiles in
	.gnu.text.callgraph sections.
	* gcc.c (LINK_COMMAND_SPEC): Process -freorder-functions=
	(set_func_reorder_linker_plugin_spec): New function.
	(main): Call function reorder plugin.
	* testsuite/lib/target-supports-dg.exp
	(dg-require-section-exclude): New proc.
	(dg-require-linker-function-reordering-plugin): New proc.
	* testsuite/lib/target-supports.exp
	(check_section_exclude_available): New proc.
	(check_linker_function_reordering_plugin_supported): New proc.
	* testsuite/g++.dg/tree-prof/callgraph-profiles.C: New test.
	* config.in: undef FRPLUGINSONAME
	* opts.c
	* configure.ac (FRPLUGINSONAME): Define 
	* common.opt (fcallgraph-profiles-sections): Remove.
	(freorder-functions=): New option.
	* tree-optimize.c (gate_all_optimizations): Mark last cleanup of
	callgraph.
	* config.host: Set function reordering plugin.
	* params.def (PARAM_NOTE_CGRAPH_SECTION_EDGE_THRESHOLD): Remove.
	(PARAM_GNU_CGRAPH_SECTION_EDGE_THRESHOLD): Add.

2012-05-16  Xinliang David Li  <davidxl@google.com>

	* tree-profile.c (add_sampling_wrapper): Call
	add_referenced_var for sampling related variables.
	(gimple_init_instrumentation_sampling): Do not
	call varpool_finalize for external decls.

2012-05-16  Xinliang David Li  <davidxl@google.com>

	* cgraph.c (cgraph_set_call_stmt): Resolve target
	to the real target in LIPO mode.
	(cgraph_create_virtual_clone): Ditto.

2012-05-16  Xinliang David Li  <davidxl@google.com>

	* c-family/c-opts.c (is_parsing_done_p): New function.
	* cp/semantics.c (cp_clear_constexpr_hashtable): Ditto.
	* cp/decl2.c (cp_clear_defered_fns): Clear constexpr hash.
	* cp/mangle.c (mangle_decl): Save decl for binding clearing.
	* cp/cp-tree.h: New prototype declaration.
	* l-ipo.c: New prototype declaration.


2012-05-15   Teresa Johnson  <tejohnson@google.com>

	Backport from google/main r187536:
	2012-05-15   Teresa Johnson  <tejohnson@google.com>

	* doc/invoke.texi (profile-generate-sampling-period): Rename
	from profile-generate-sampling-rate.
	* tree-profile.c (gcov_sampling_period_decl): Rename from
	gcov_sampling_rate_decl.
	(gcov_has_sampling_decl): New variable.
	(insert_if_then, add_sampling_wrapper): Rename variables from "*rate*"
	to "*period*".
	(gimple_init_instrumentation_sampling): Ditto, and add handling
	for gcov_has_sampling_decl.
	* params.def (profile-generate-sampling-period): Rename
	from profile-generate-sampling-rate.

2012-05-15   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_7-branch rev 187362.

2012-05-14  Xinliang David Li  <davidxl@google.com>

	* cgraphbuild.c (record_reference_to_real_target_from_alias):
	New function.
	(mark_address): Record reference to the resolved target node
	in LIPO mode. Also record reference to alias's real target.
	(rebuild_cgraph_edges): As above.
	* cgraph.c (cgraph_clone_edge): Create cgraph edge for
	indirect call inlining edge properly.
	* l-ipo.c (cgraph_lipo_get_resolved_node_1): Do not force
	creating cgraph node.
	(fixup_reference_list): New function.
	(varpool_do_link): Fix up initializer's references to functions
	after linking.

2012-05-09  Teresa Johnson  <tejohnson@google.com>

	Backport from trunk r187297:
	2012-05-08   Teresa Johnson  <tejohnson@google.com>

	* gcov-io.h (__gcov_reset, __gcov_dump): Declare.
	* doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.

2012-05-08  Xinliang David Li  <davidxl@google.com>

	Fix issue 6457844

	* ipa-inline-transform.c (inline_call): When
	fixing up cgraph edge callees which are aliases,
	find the real resolved alias target in LIPO mode.
	* cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee):
	Remove unnecssary check in LIPO mode.
	* ipa-inline.c (inline_small_functions): Compute
	max_count properly by considering indirect edges.



2012-05-08  Xinliang David Li  <davidxl@google.com>

	Fix issue 6461583

	* profile.c (instrument_values): Skip static ctor/dtors
	for ic counter allocation to match instrumentation.
	* tree-profile.c (gimple_gen_ic_profiler): Remove
	unnecessary guard in FDO mode.

2012-05-03  Dehao Chen  <dehao@google.com>

	Backport r185949 from google-main.

	2012-03-29  Dehao Chen  <dehao@google.com>

		* predict.c (predict_iv_comparison): Add the comparison of
		induction variable against its initial value.

2012-05-01   Rong Xu  <xur@google.com>

	Backport r187028 from google-main.

	2012-05-01   Rong Xu  <xur@google.com>

		* gcc/cp/rtti.c (get_tinfo_decl): generate tinfo for aux 
		modules in LIPO.

2012-04-25   Diego Novillo  <dnovillo@google.com>

	Add better commit message for recent merge.

2012-04-25   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_7-branch rev 186721.

2012-04-20  Xinliang David Li  <davidxl@google.com>

	Backport r186622 from trunk
	* tree-ssa-copy.c (propagate_tree_value_into_stmt): Use
	update_call_from_tree when propagating into a call.


	* varasm.c (alias_target_node_exist_p): New function.
	(finish_alias_1): Use the new function in LIPO mode.

2012-04-12  Xinliang David Li  <davidxl@google.com>

	* cgraphbuild.c (rebuild_cgraph_edges): Add ipa reference from
	an alias node to its body node (post LIPO linking one) to avoid
	the body being eliminated.
	* varasm.c (finish_aliases_1): Do not emit error for an alias
	which is artificial in LIPO mode -- it exists but can not be
	found.

2012-04-11  Teresa Johnson  <tejohnson@google.com>

	Revert r182254 since it is subsumed by r186332.

2012-04-11   Teresa Johnson  <tejohnson@google.com>

	Backport r186176 from trunk.

	2012-04-05  Teresa Johnson  <tejohnson@google.com>
		    H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.h (ix86_tune_indices): Add
	X86_TUNE_LCP_STALL.
	* config/i386/i386.md (move immediate to memory peephole2):
	Add cases for HImode move when LCP stall avoidance is needed.
	* config/i386/i386.c (initial_ix86_tune_features): Initialize
	X86_TUNE_LCP_STALL entry.

2012-04-10  Xinliang David Li  <davidxl@google.com>

	* mversn-dispatch.c (builtin_dispatch_ipa_clone): returns
	TODO flags when there are changes.
	(do_convert_builtin_dispatch): Ditto.

2012-04-09  Xinliang David Li  <davidxl@google.com>

	Fix b/6300341: LIPO profile-gen ICEs 

	* coverage.c (converage_dc_end_function): Properly initialize
	the fn_decl and ctr_data field of the coverage_data.

2012-03-07  Sriraman Tallam  <tmsriram@google.com>

	Backport from google/main rev 185083

		* config/i386/i386.c (build_struct_with_one_bit_fields): New function.
		(make_var_decl): New function.
		(get_field_from_struct): New function.
		(fold_builtin_target): New function.
		(ix86_fold_builtin): New function.
		(ix86_expand_builtin): Expand new builtins by folding them.
		(make_platform_builtin): New functions.
		(ix86_init_platform_type_builtins): Make the new builtins.
		(ix86_init_builtins): Make new builtins to detect CPU type.
		(TARGET_FOLD_BUILTIN): New macro.
		(IX86_BUILTIN_CPU_SUPPORTS_CMOV): New enum value.
		(IX86_BUILTIN_CPU_SUPPORTS_MMX): New enum value.
		(IX86_BUILTIN_CPU_SUPPORTS_POPCOUNT): New enum value.
		(IX86_BUILTIN_CPU_SUPPORTS_SSE): New enum value.
		(IX86_BUILTIN_CPU_SUPPORTS_SSE2): New enum value.
		(IX86_BUILTIN_CPU_SUPPORTS_SSE3): New enum value.
		(IX86_BUILTIN_CPU_SUPPORTS_SSSE3): New enum value.
		(IX86_BUILTIN_CPU_SUPPORTS_SSE4_1): New enum value.
		(IX86_BUILTIN_CPU_SUPPORTS_SSE4_2): New enum value.
		(IX86_BUILTIN_CPU_INIT): New enum value.
		(IX86_BUILTIN_CPU_IS_AMD): New enum value.
		(IX86_BUILTIN_CPU_IS_INTEL): New enum value.
		(IX86_BUILTIN_CPU_IS_INTEL_ATOM): New enum value.
		(IX86_BUILTIN_CPU_IS_INTEL_CORE2): New enum value.
		(IX86_BUILTIN_CPU_IS_INTEL_COREI7_NEHALEM): New enum value.
		(IX86_BUILTIN_CPU_IS_INTEL_COREI7_WESTMERE): New enum value.
		(IX86_BUILTIN_CPU_IS_INTEL_COREI7_SANDYBRIDGE): New enum value.
		(IX86_BUILTIN_CPU_IS_AMDFAM10_BARCELONA): New enum value.
		(IX86_BUILTIN_CPU_IS_AMDFAM10_SHANGHAI): New enum value.
		(IX86_BUILTIN_CPU_IS_AMDFAM10_ISTANBUL): New enum value.
		(IX86_BUILTIN_CPU_IS_AMDFAM15H_BDVER1): New enum value.
		(IX86_BUILTIN_CPU_IS_AMDFAM15H_BDVER2): New enum value.
		* config/i386/i386-builtin-types.def: New function type.
		* testsuite/gcc.target/builtin_target.c: New testcase.

2012-03-07  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 184996.

2012-02-26  Ollie Wild  <aaw@google.com>

	* BASE-VER: Change to 4.7.x-google.

2012-02-23   Diego Novillo  <dnovillo@google.com>

	* BASE-VER: Change to 4.7.0-google.
	* DEV-PHASE: Change to prerelease.