path: root/gcc-4.6/gcc/ChangeLog.google-4_6

2012-05-18   Jing Yu  <jingyu@google.com>

	Backport from trunk r187586:
	2012-05-16  Igor Zamyatin  <igor.zamyatin@intel.com>

	* configure.ac: Stack protector enabling for Android targets.
	* configure: Regenerate.

2012-05-07  Jing Yu  <jingyu@google.com>

	Backport r186560 and r185958 from gcc trunk
	2012-05-03  Enkovich Ilya  <ilya.enkovich@intel.com>

	* config/linux-android.h (ANDROID_STARTFILE_SPEC): Fix
	shared case.
	(ANDROID_ENDFILE_SPEC): Likewise.
	* config/i386/linux.h (TARGET_OS_CPP_BUILTINS): Add Android
	builtins.
	(LINUX_TARGET_CC1_SPEC): New.
	(CC1_SPEC): Support Android.
	(LINUX_TARGET_LINK_SPEC): New.
	(LINK_SPEC): Support Android.
	(LIB_SPEC): New.
	(STARTFILE_SPEC): New.
	(LINUX_TARGET_ENDFILE_SPEC): New.
	(ENDFILE_SPEC): Support Android.
	* config/i386/linux64.h: Likewise.

2012-03-01   Jing Yu  <jingyu@google.com>
	Backport r184061 from gcc-4_6-branch to fix PR52060.

	2012-02-07  Jakub Jelinek  <jakub@redhat.com>
	PR rtl-optimization/52060
	* combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
	copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n
	already before i1dest -> i1src substitution in newpat, copy i0src
	to i0src_copy and/or i0src_copy2 when needed.

2012-02-21   Jing Yu  <jingyu@google.com>

	Bakcport r175181, r177963, r178116, r183299 from mainline.

	2011-06-18  H.J. Lu  <hongjiu.lu@intel.com>
	PR other/49325
	* acinclude.m4 (gcc_AC_INITFINI_ARRAY): Properly check if
	.init_array can be used with .ctors on targets.
	* configure: Regenerated.

	2011-08-22  H.J. Lu  <hongjiu.lu@intel.com>
	* acinclude.m4 (gcc_AC_INITFINI_ARRAY): Error if __ELF__ isn't
	defined.
	* configure: Regenerated.

	2011-08-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
	PR target/50166
	* acinclude.m4 (gcc_AC_INITFINI_ARRAY): Check count in main.
	* configure: Regenerate.

	2012-01-19  Jakub Jelinek  <jakub@redhat.com>
	PR bootstrap/50237
	* config/initfini-array.h: Guard content of the header
	with #ifdef HAVE_INITFINI_ARRAY.
	* configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the
	file.
	Add initfini-array.h to tm_file here.
	* acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a
	linker test.
	* config.gcc: Don't add initfini-array.h to tm_file here.
	* configure: Regenerated.

2012-02-19  Ollie Wild  <aaw@google.com>

	* initfini-array.h: Moved to config/initfini-array.h.
	* config/initfini-array.h: New.

2012-02-17   Jing Yu  <jingyu@google.com>
	Google Ref 47894

	2011-12-07  H.J. Lu  <hongjiu.lu@intel.com>
	Backport from mainline r177933.
	2011-08-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR other/46770
	* config.gcc (tm_file): Add initfini-array.h if
	.init_arrary/.fini_array are supported.
	* crtstuff.c: Don't generate .ctors nor .dtors sections if
	USE_INITFINI_ARRAY is defined.
	* output.h (default_elf_init_array_asm_out_constructor): New.
	(default_elf_fini_array_asm_out_destructor): Likewise.
	* varasm.c (elf_init_array_section): Likewise.
	(elf_fini_array_section): Likewise.
	(get_elf_initfini_array_priority_section): Likewise.
	(default_elf_init_array_asm_out_constructor): Likewise.
	(default_elf_fini_array_asm_out_destructor): Likewise.
	* config/initfini-array.h: New.

2012-02-14   Jing Yu  <jingyu@google.com>

	Backport r184226 from google/main (Google ref 42402-p2)
	* config/arm/arm.h: Emit GNU-stack note for all arm targets by
	default.

2012-02-10   Wei Guozhi  <carrot@google.com>
	Backported r183933 from mainline
	2012-02-06  Jakub Jelinek  <jakub@redhat.com>

	* calls.c (mem_overlaps_already_clobbered_arg_p): If val is
	CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.

2012-02-01  Dehao Chen  <dehao@google.com>

	* predict.c (predict_iv_comparison): Add new parameter, ensure that
	the loop_iv_base and compare_base are identical.

2012-01-31  Dehao Chen  <dehao@google.com>

	* predict.c (strips_small_constant): New
	(get_base_value): New
	(find_ssa_name_in_assign_stmt): New
	(is_comparison_with_loop_invariant_p): New
	(expr_coherent_p): New
	(predict_iv_comparison): New
	(predict_loops): Add heuristic for loop-nested branches that compare an
	induction variable to a loop bound variable.
	* predict.def (PRED_LOOP_IV_COMPARE): New macro

2012-01-23   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 182961.

2012-01-20   Sterling Augustine  <saugustine@google.com>
	Backport from google/main

	* gcc/dwarf2out.c (break_out_comdat_types): Call add_AT_lineptr with
	DW_AT_GNU_pubnames and DW_AT_GNU_pubtypes.

2012-01-12   Rong Xu  <xur@google.com>
	Backport r183142 from google/main

	* gcc/profile.c (compute_value_histograms): ignore the
	histrogram when the counters not found in gcda file.

2012-01-11  Sriraman Tallam  <tmsriram@google.com>

	Add new target builtins: __builtin_cpu_is_amdfam15h_bdver1 and
	__builtin_cpu_is_amdfam15h_bdver2, to check for AMD Family 15h
	(0x15) processors, version 1 and 2 respectively.

	* i386.c (IX86_BUILTIN_CPU_IS_AMDFAM15H_BDVER1): New enum value.
	(IX86_BUILTIN_CPU_IS_AMDFAM15H_BDVER2): New enum value.
	(IX86_BUILTIN_CPU_IS_AMDFAM10H): Rename IX86_BUILTIN_CPU_IS_AMDFAM10.
	(IX86_BUILTIN_CPU_IS_AMDFAM10H_BARCELONA): Rename IX86_BUILTIN_CPU_IS_AMDFAM10_BARCELONA.
	(IX86_BUILTIN_CPU_IS_AMDFAM10H_SHANGHAI): Rename IX86_BUILTIN_CPU_IS_AMDFAM10_SHANGHAI.
	(IX86_BUILTIN_CPU_IS_AMDFAM10H_ISTANBUL): Rename IX86_BUILTIN_CPU_IS_AMDFAM10_ISTANBUL.
	(fold_builtin_cpu): Process IX86_BUILTIN_CPU_IS_AMDFAM15H_BDVER1
	and IX86_BUILTIN_CPU_IS_AMDFAM15H_BDVER2.
	(M_AMDFAM10H): Rename M_AMDFAM10.
	(M_AMDFAM10H_BARCELONA): Rename M_AMDFAM10_BARCELONA.
	(M_AMDFAM10H_SHANGHAI): Rename M_AMDFAM10_SHANGHAI.
	(M_AMDFAM10H_ISTANBUL): Rename M_AMDFAM10_ISTANBUL.
	(ix86_init_platform_type_builtins): Make new builtins __builtin_cpu_is_amdfam15_bdver1
	and __builtin_cpu_is_amdfam15_bdver2.
	(ix86_expand_builtin): Expand IX86_BUILTIN_CPU_IS_AMDFAM15_BDVER1 and 
	IX86_BUILTIN_CPU_IS_AMDFAM15_BDVER2.
	* testsuite/gcc.target/builtin_target.c (fn1): Call new builtins.

2012-01-10  Rong Xu  <xur@google.com>

	Backport r183081 from google/main

	* gcc/profile.c (compute_value_histograms): handle the  
	case when INDIR_CALL counters not available in gcda files.


2012-01-09  Dehao Chen  <dehao@google.com>

	* ipa-inline.c (cgraph_node_opt_info): Print profile info if available
	(dump_inline_decision): Disable einline dump at OPT_INFO_MIN

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

	Backport from google/main

       	* 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.

2012-01-02  Dehao Chen  <dehao@google.com>

	* ipa-inline.c (cgraph_node_opt_info): Print more concise info when
	dumping inline decisions.

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

	Backport from google/main

	* 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.

2011-12-17  Sriraman Tallam  <tmsriram@google.com>

	* mversn-dispatch.c (make_name): Use '.' to concatenate to suffix
	mangled names.
	(clone_function): Do not make clones ctors/dtors. Recompute dominance
	info.
	(make_bb_flow): New function.
	(get_selector_gimple_seq): New function.
	(make_selector_function): New function.
	(make_attribute): New function.
	(make_ifunc_function): New function.
	(copy_decl_attributes): New function.
	(dispatch_using_ifunc): New function.
	(purge_function_body): New function.
	(function_can_make_abnormal_goto): New function.
	(make_function_not_cloneable): New function.
	(do_auto_clone): New function.
	(pass_auto_clone): New gimple pass.
	(make_specialized_call_to_clone): Fix clone names.
	* passes.c (init_optimization_passes): Add pass_auto_clone to list.
	* tree-pass.h (pass_auto_clone): New pass.
	* params.def (PARAM_MAX_FUNCTION_SIZE_FOR_AUTO_CLONING): New param.
	* target.def (mversion_function): New target hook.
	* config/i386/i386.c (ix86_option_override_internal): Check correctness
	of ix86_mv_arch_string.
	(add_condition_to_bb): New function.
	(make_empty_function): New function.
	(make_condition_function): New function.
	(is_loop_form_vectorizable): New function.
	(is_loop_stmts_vectorizable): New function.
	(any_loops_vectorizable_with_load_store): New function.
	(mversionable_for_core2_p): New function.
	(ix86_mversion_function): New function.
	* config/i386/i386.opt (mvarch): New option.
	* doc/tm.texi (TARGET_MVERSION_FUNCTION): Document.
	* doc/tm.texi.in (TARGET_MVERSION_FUNCTION): Document.
	* testsuite/gcc.dg/automversn_1.c: New test case.
	* testsuite/gcc.dg/mversn2.c: Fix cloned names.
	* testsuite/g++.dg/mversn8.C: Ditto.
	* testsuite/g++.dg/mversn10a.C: Ditto.
	* testsuite/g++.dg/mversn15.C: Ditto.
	* testsuite/g++.dg/mversn10.C: Ditto.
	* testsuite/g++.dg/mversn16.C: Ditto.

2011-12-17  Sriraman Tallam  <tmsriram@google.com>

	* gcc/config/i386/i386.c
	(IX86_BUILTIN_CPU_IS_INTEL_COREI7): New enum value.
	(IX86_BUILTIN_CPU_IS_AMDFAM10): New enum value.
	(fold_builtin_cpu): Fold the new builtins.
	(ix86_init_platform_type_builtins): Make new buitins
	__builtin_cpu_is_intel_corei7 and
	__builtin_cpu_is_amdfam10.
	* testsuite/gcc.target/i386/builtin_target.c (fn1):
	Call the new builtins.

2011-12-17  Easwaran Raman  <eraman@google.com>
	Backport r182443 from google/main.

	2011-12-17   Easwaran Raman  <eraman@google.com>

		* common.opt (fsized-delete): New option.

2011-12-16   Rong Xu  <xur@google.com>
	Backport r182416 from google/main.

	2011-12-16   Rong Xu  <xur@google.com>

		* libgcc/libgcov.c (gcov_merge_gcda_file): reset summary_pos.

2011-12-16  Dehao Chen  <dehao@google.com>

	* ipa-inline.c (dump_inline_decision): New function.
	(cgraph_node_call_chain): New function.
	(cgraph_node_opt_info): New function.
	(cgraph_mark_inline_edge): Dump inline decisions to stderr.

2011-12-14   Sriraman Tallam  <tmsriram@google.com>

	Backport r182344 from google/main.
	
	2011-12-14  Sriraman Tallam  <tmsriram@google.com>

		Do not vectorize loops on Core2 that need to use unaligned
		vector load/stores.
		* tree-vect-stmts.c (is_vector_load_store_slow): New function.
		(vectorizable_load): Return false if the load
		is unaligned and slow.
		(vectorizable_store): Ditto.
		* target.def (TARGET_SLOW_UNALIGNED_VECTOR_MEMOP): New target hook.
		* doc/m.texi.in: Document new target hook:
		TARGET_SLOW_UNALIGNED_VECTOR_MEMOP
		* doc/m.texi: Regenerate.
		* config/i386/i386.c (ix86_slow_unaligned_vector_memop): New function.
		(TARGET_SLOW_UNALIGNED_VECTOR_MEMOP): New macro.

2011-12-12   Teresa Johnson  <tejohnson@google.com>


2011-12-11   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 182135.

2011-11-30   Doug Kwan  <dougkwan@google.com>

	Backport r171347 and r181549 from trunk.
	2011-03-23  Julian Brown  <julian@codesourcery.com>

		* expr.c (expand_expr_real_1): Only use BLKmode for volatile
		accesses which are not naturally aligned.
	
	2011-11-20  Joey Ye  <joey.ye@arm.com>

        	* expr.c (expand_expr_real_1): Correctly handle strict volatile
        	bitfield loads smaller than mode size.

2011-11-23   Teresa Johnson  <tejohnson@google.com>

	Backport r181671 from google/main.

2011-11-18   Diego Novillo  <dnovillo@google.com>

	Rollback revisiong 179815 from gcc-4_6-branch.

2011-11-16   Rong Xu  <xur@google.com>

	Backport r181432 from google/main.

2011-11-10  DeLesley Hutchins  <delesley@google.com>

  * tree-threadsafe-analyze.c:    
    factors out code to get function decl.
    (get_fdecl_from_gimple_stmt): new factored-out function
    (handle_call_gs): original definition of code
    (get_lock_returned_by_call): call new function
    (get_trylock_info): call new function
    (handle_unlock_primitive_attr): use passed fdecl

2011-11-10  DeLesley Hutchins  <delesley@google.com>

  * tree-threadsafe-analyze.c (get_canonical_lock_expr):
    Add support for pointer arithmetic operations

2011-11-04   Rong Xu  <xur@google.com>

	Backport r181129 from google/main.

2011-11-06   Teresa Johnson  <tejohnson@google.com>

	Backport r180925 from google/main.

2011-11-06   Teresa Johnson  <tejohnson@google.com>

	Backport r180783 from trunk.

2011-11-04  DeLesley Hutchins  <delesley@google.com>
   * tree-threadsafe-analyze.c:
     Ignores invalid attributes, issues a warning, recovers gracefully.
   * common.opt:
     Adds new thread safety warning.

2011-11-04   Rong Xu  <xur@google.com>

	Backport r180971 from google/main.

2011-11-04   Rong Xu  <xur@google.com>

	Backport r180973 from google/main.

2011-11-04   Rong Xu  <xur@google.com>

	Backport r180269 from google/main.

2011-11-02   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 180729.

2011-10-25   Xinliang David Li  <davidxl@google.com>

	* profile.c (compute_branch_probablies): recompute
	function frequency summary after profile annotation.

2011-10-24   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 180298.

2011-10-21   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 179421.

2011-10-17  Dehao Chen  <dehao@google.com>

	Add a flag (-frecord-gcc-switches-in-elf) to record compiler
	command line options to .gnu.switches.text sections of
	the object file.
	* coverage.c (write_opts_to_asm): Write the options to
	.gnu.switches.text sections.
	* common.opt: Ditto.
	* opts.h: Ditto.

2011-10-14  DeLesley Hutchins  <delesley@google.com>

   * tree-threadsafe-analyze.c (get_canonical_lock_expr):
     Bugfix: add lock to hash set, even if it refers to a base class

2011-10-14  DeLesley Hutchins  <delesley@google.com>

   * tree-threadsafe-analyze.c (remove_lock_from_lockset):
     Bugfix: shared lock now removed properly when the universal lock 
     is in the exclusive lock set.  

2011-09-30  Sharad Singhai  <singhai@google.com>

	* gcc.c (cc1_options): Add -fno-early-inlining for improved coverage.

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.

2011-09-30  DeLesley Hutchins  <delesley@google.com>

    * tree-threadsafe-analyze.c (process_function_attrs):
      Detect clones and suppress warnings.

2011-09-27  Sriraman Tallam  <tmsriram@google.com>

	* output.h (SECTION_EXCLUDE): New flag for exclude sections.
	* varasm.c (default_elf_asm_named_section): Add "e" to section flags
	marked as SECTION_EXCLUDE.
	* final.c (rest_of_handle_final): Exclude .gnu.callgraph sections.

2011-09-22  Sriraman Tallam  <tmsriram@google.com>

	* cgraphbuild.c (remove_cgraph_callee_edges): Preserve callee edges if
	callgraph profiles are needed.
	* final.c (rest_of_handle_final): Rename .note.callgraph sections as
	.gnu.callgraph sections.
	* tree-optimize.c (gate_all_optimizations): Set
	cgraph_callee_edges_final_cleanup to true.
	(cgraph_callee_edges_final_cleanup): New global variable.
	* params.def (PARAM_NOTE_CGRAPH_SECTION_EDGE_THRESHOLD): Fix comment.

2011-09-22  Guozhi Wei  <carrot@google.com>

	Backport r178995 from trunk.

	2011-09-20  Wei Guozhi  <carrot@google.com>

		PR rtl-optimization/49452
		* postreload.c (reload_combine): Invalidate use information when
		across volatile insn.

2011-09-21   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 179031.

2011-09-15  Easwaran Raman  <eraman@google.com>

	Backport r178898 from google/main.

	2011-09-15  Easwaran Raman  <eraman@google.com>

		* Makefile.in (PLUGIN_HEADERS): Add l-ipo.h.

2011-09-15  Easwaran Raman  <eraman@google.com>

	Backport r176741 from trunk.

	2011-07-22  Romain Geissler  <romain.geissler@gmail.com>
	
		PR plugins/45348
		PR plugins/48425
		PR plugins/46577
		* Makefile.in: Do not flatten c-family directory when installing
		plugin headers.

2011-09-15   Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 178854.

2011-9-13  DeLesley Hutchins  <delesley@google.com>

      * tree-threadsafe-analyze.c (get_canonical_lock_expr):
        don't remove & on recursive call

2011-09-01  Sriraman Tallam  <tmsriram@google.com>

	* 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.
	(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.
	* config/i386/libgcc-glibc.ver (__cpu_indicator_init): Export symbol.
	(__cpu_model): Export symbol.
	(__cpu_features): Export symbol.
	* config/i386/i386-builtin-types.def: New function type.

2011-08-24  Mark Heffernan  <meheff@google.com>

	* params.def (hot-bb-count-fraction): Change default value.

2011-08-24   David Li  <davidxl@google.com>

	* profile.c (compute_branch_probabilities): Partially revert
	change in r176997 which led to perf regression of important
	apps.

2011-08-23  Mark Heffernan  <meheff@google.com>

	* basic-block.h (maybe_hot_frequency_p): Add prototype.
	* cgraph.c (dump_cgraph_node): Add field to dump.
	(cgraph_clone_node) Handle new field.
	* cgraph.h (cgraph_node): New field max_bb_count.
	* cgraphbuild.c (rebuild_cgraph_edges): Compute max_bb_count.
	* cgraphunit.c (cgraph_copy_node_for_versioning) Handle new field.
	* common.opt (finline-hot-caller): New option.
	* ipa-inline.c (cgraph_mark_inline_edge) Update max_bb_count.
	(edge_hot_enough_p) New function.
	(cgraph_decide_inlining_of_small_functions) Call edge_hot_enough_p.
	* predict.c (maybe_hot_frequency_p): Remove static keyword and
	guard with profile_info check.
	* testsuite/gcc.dg/tree-prof/inliner-1.c: Add flag.
	* testsuite/gcc.dg/tree-prof/lipo/inliner-1_0.c: Add flag.

2011-08-16  Guozhi Wei  <carrot@google.com>

	Backport r174965 from trunk.

	2011-06-12  Ira Rosen  <ira.rosen@linaro.org>

		* tree-vect-data-refs.c (vect_peeling_hash_get_most_frequent):
		Take number of iterations to peel into account for equally frequent
		misalignment values.

2011-08-11  David Li  <davidxl@google.com>

	* l-ipo.c (process_module_scope_static_func): Promote
	aliases of static symbol in LIPO mode.

2011-08-02   David Li  <davidxl@google.com>

	Port 53689-p2 and 53705-p2 to v15
	* libgcov.c (__gcov_merge_dc): Relax over assertion in 

	dc merging.
2011-07-31  David Li  <davidxl@google.com>

	* tree-optimize.c (execute_fixup_cfg): Fix up entry outgoing
	edge profile counts.
	* profile.c (compute_branch_probabilities): Compute function
	frequency after profile annotation.

2011-07-28  David Li  <davidxl@google.com>

	* coverage.c (coverage_init): Remove checking of profile-use
	flags.

2011-07-25   Rong Xu  <xur@google.com>
	Merge from google/main cherry pick r176592.
	2011-07-21   Rong Xu  <xur@google.com>
		* ipa.c (function_and_variable_visibility): In LIPO mode, call 
		varpool_externally_visible_p() to set the externally visible 
		attribute even for varpool nodes that not marked as needed.
		* l-ipo.c (varpool_do_link): Merge the externally visible 
		attribute for varpool nodes.

2011-07-24  Easwaran Raman  <eraman@google.com>
	Backport r175063 from trunk:
	2011-06-14  Easwaran Raman  <eraman@google.com>
		PR rtl-optimization/44194
		* dse.c: Include tree-flow.h
		(insn_info): Add new field non_frame_wild_read.
		(group_info): Add new fields escaped_n and escaped_p.
		(kill_on_calls): New variable.
		(get_group_info): Initialize gi->escaped_n and gi->escaped_p.
		(dse_step0): Initialize kill_on_calls.
		(can_escape): New function.
		(set_usage_bits): Add additional parameter; record information
		about escaped locations.
		(record_store): Pass EXPR corresponding to MEM to set_usage_bits.
		(dse_step2_nospill): Set kill_on_calls based on
		group->escaped_n and group->escaped_n.
		(add_wild_read): Refactor into...
		(reset_active_stores): ... New function, and
		(free_read_records): ... New function.
		(add_non_frame_wild_read): New function.
		(scan_insn): Call add_non_frame_wild_read on non-const calls.
		(scan_reads_nospill): Handle instructions with non_frame_wild_read.
		(dse_step5_nospill): Call scan_reads_nospill for instructions
		marked as non_frame_wild_read.
		(dse_step7): Free escaped_n, escaped_p and kill_on_calls bitmaps.
	Backport r175384 from trunk:
	2011-06-24  Easwaran Raman  <eraman@google.com>
		PR rtl-optimization/49429
		PR target/49454
		* expr.c (emit_block_move_hints):  Mark MEM_EXPR(x) and
		MEM_EXPR(y) addressable if emit_block_move_via_libcall is
		used to copy y into x.
		* calls.c (initialize_argument_information): Mark
		an argument addressable if it is passed by invisible reference.
		(emit_library_call_value_1): Mark  MEM_EXPR (val) addressable
		if it is passed by reference.

2011-07-19  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 176416.

2011-07-05  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 175849.

2011-07-05  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 175816.

2011-06-29  Diego Novillo  <dnovillo@google.com>

	Backport from gcc-4_6-branch

	2011-06-29  Martin Jambor  <mjambor@suse.cz>
		Backport from mainline
		2011-06-24  Martin Jambor  <mjambor@suse.cz>

		PR tree-optimizations/49516
		* tree-sra.c (sra_modify_assign): Choose the safe path for
		aggregate copies if we also did scalar replacements.

2011-06-28  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 175583.

2011-06-27  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 175526.

2011-06-27  Diego Novillo  <dnovillo@google.com>

	Google ref 4487457.

	* tree-cfg.c (gate_warn_function_return): New.
	(pass_warn_function_return): Use it.

2011-06-14  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 175007.

2011-06-13  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 174986.

2011-06-09  Chris Demetriou  <cgd@google.com>

	Backport from google/main r174890:
	2011-06-09  Chris Demetriou  <cgd@google.com>
	* doc/install.texi (--with-warn-frame-larger-than-extra-text): New.
	* configure.ac (--with-warn-frame-larger-than-extra-text): New.
	(WARN_FRAME_LARGER_THAN_EXTRA_TEXT): Define.
	* final.c (final_start_function): Use
	WARN_FRAME_LARGER_THAN_EXTRA_TEXT.
	* configure: Regenerate.
	* config.in: Regenerate.

2011-06-07  Mark Heffernan  <meheff@google.com>

	Merge from google/main cherry pick rev 174789.

2011-06-07  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 174706.

2011-06-01  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 174522.

2011-06-01  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 174482.

2011-05-25  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 174114.

2011-05-24  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 174086.

2011-05-11  Xinliang David Li <davidxl@google.com>
	
	Merge from google/main rev 173636.

2011-05-10  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 173632.

2011-05-10  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 173605.

2011-05-03  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 173305.

2011-05-03  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 173286 (minus rev 173258).

2011-05-02  Diego Novillo  <dnovillo@google.com>

	Google ref 4335466.

	* BASE-VER: Change to 4.6.x-google.

2011-04-18  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 172633.

2011-04-17  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 172617.

2011-04-15  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 172209.

2011-03-31  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 171756.

2011-03-29  Diego Novillo  <dnovillo@google.com>

	Merge from gcc-4_6-branch rev 171512 (4.6.0 release tag).

2011-03-18  Diego Novillo  <dnovillo@google.com>

	Merge from google/main rev 171163.

2011-03-15  Diego Novillo  <dnovillo@google.com>

	* BASE-VER: Change to 4.6.0-google
	* DEV-PHASE: Change to prerelease.

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