main/gcc/ChangeLog.google-main

   1 2012-05-14  Xinliang David Li  <davidxl@google.com>
   2
   3         Backport r187488 from google/gcc-4_7
   4         * cgraphbuild.c (record_reference_to_real_target_from_alias):
   5         New function.
   6         (mark_address): Record reference to the resolved target node
   7         in LIPO mode. Also record reference to alias's real target.
   8         (rebuild_cgraph_edges): As above.
   9         * cgraph.c (cgraph_clone_edge): Create cgraph edge for
  10         indirect call inlining edge properly.
  11         * l-ipo.c (cgraph_lipo_get_resolved_node_1): Do not force
  12         creating cgraph node.
  13         (fixup_reference_list): New function.
  14         (varpool_do_link): Fix up initializer's references to functions
  15         after linking.
  16
  17 2012-05-09  Teresa Johnson  <tejohnson@google.com>
  18
  19         Backport from trunk r187297:
  20         2012-05-08   Teresa Johnson  <tejohnson@google.com>
  21
  22         * gcov-io.h (__gcov_reset, __gcov_dump): Declare.
  23         * doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
  24
  25 2012-05-08  Xinliang David Li  <davidxl@google.com>
  26
  27         Fix issue 6457844 (backport r187312 from google-4_7)
  28
  29         * ipa-inline-transform.c (inline_call): When
  30         fixing up cgraph edge callees which are aliases,
  31         find the real resolved alias target in LIPO mode.
  32         * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee):
  33         Remove unnecssary check in LIPO mode.
  34         * ipa-inline.c (inline_small_functions): Compute
  35         max_count properly by considering indirect edges.
  36
  37
  38 2012-05-08  Xinliang David Li  <davidxl@google.com>
  39
  40         Fix issue 6461583 (backport r187310 from google-4_7)
  41
  42         * profile.c (instrument_values): Skip static ctor/dtors
  43         for ic counter allocation to match instrumentation.
  44         * tree-profile.c (gimple_gen_ic_profiler): Remove
  45         unnecessary guard in FDO mode.
  46
  47
  48 2012-05-01   Rong Xu  <xur@google.com>
  49
  50         * gcc/cp/rtti.c (get_tinfo_decl): generate tinfo for aux
  51         modules in LIPO.
  52
  53 >>>>>>> .r187488
  54 2012-04-15  Xinliang David Li  <davidxl@google.com>
  55
  56         * varasm.c (alias_target_node_exist_p): New function.
  57         (finish_alias_1): Use the new function in LIPO mode.
  58
  59 2012-04-12  Xinliang David Li  <davidxl@google.com>
  60
  61         * cgraphbuild.c (rebuild_cgraph_edges): Add ipa reference from
  62         an alias node to its body node (post LIPO linking one) to avoid
  63         the body being eliminated.
  64         * varasm.c (finish_aliases_1): Do not emit error for an alias
  65         which is artificial in LIPO mode -- it exists but can not be
  66         found.
  67
  68 2012-04-11  Teresa Johnson  <tejohnson@google.com>
  69
  70         Revert r182254 since it is subsumed by r186176 on trunk.
  71         Limit unrolling of loops with LCP stalling instructions on Core i7
  72         so that they will fit into the LSD.
  73         * loop-unroll.c (decide_unroll_constant_iterations): Call loop
  74         unroll target hook.
  75         * config/i386/i386.c (ix86_loop_unroll_adjust): New function.
  76         (TARGET_LOOP_UNROLL_ADJUST): Define hook for x86.
  77
  78 2012-04-10  Xinliang David Li  <davidxl@google.com>
  79
  80         * mversn-dispatch.c (builtin_dispatch_ipa_clone): returns
  81         TODO flags when there are changes.
  82         (do_convert_builtin_dispatch): Ditto.
  83
  84
  85 2012-04-09  Xinliang David Li  <davidxl@google.com>
  86
  87         Fix b/6300341: LIPO profile-gen ICEs
  88
  89         * coverage.c (converage_dc_end_function): Properly initialize
  90         the fn_decl and ctr_data field of the coverage_data.
  91
  92 2012-04-03  Harshit Chopra  <harshit@google.com>
  93
  94         * config/i386/i386.c (check_should_patch_current_function): Made C90
  95         compatible.
  96         * config/i386/i386.md: Added '\t' to bytes generated by
  97         ix86_output_function_nops_prologue_epilogue for proper formatting
  98         of assembly.
  99
 100 2012-03-29  Dehao Chen  <dehao@google.com>
 101
 102         * predict.c (predict_iv_comparison): Add the comparison of induction
 103         variable against its initial value.
 104
 105 2012-03-09   Rong Xu  <xur@google.com>
 106
 107         * opts-global.c (lipo_save_cl_args): save -std option.
 108         Google ref b/6117980.
 109
 110 2012-03-07  Sriraman Tallam  <tmsriram@google.com>
 111
 112         * config/i386/i386.c (build_struct_with_one_bit_fields): New function.
 113         (make_var_decl): New function.
 114         (get_field_from_struct): New function.
 115         (fold_builtin_target): New function.
 116         (ix86_fold_builtin): New function.
 117         (ix86_expand_builtin): Expand new builtins by folding them.
 118         (make_platform_builtin): New functions.
 119         (ix86_init_platform_type_builtins): Make the new builtins.
 120         (ix86_init_builtins): Make new builtins to detect CPU type.
 121         (TARGET_FOLD_BUILTIN): New macro.
 122         (IX86_BUILTIN_CPU_SUPPORTS_CMOV): New enum value.
 123         (IX86_BUILTIN_CPU_SUPPORTS_MMX): New enum value.
 124         (IX86_BUILTIN_CPU_SUPPORTS_POPCOUNT): New enum value.
 125         (IX86_BUILTIN_CPU_SUPPORTS_SSE): New enum value.
 126         (IX86_BUILTIN_CPU_SUPPORTS_SSE2): New enum value.
 127         (IX86_BUILTIN_CPU_SUPPORTS_SSE3): New enum value.
 128         (IX86_BUILTIN_CPU_SUPPORTS_SSSE3): New enum value.
 129         (IX86_BUILTIN_CPU_SUPPORTS_SSE4_1): New enum value.
 130         (IX86_BUILTIN_CPU_SUPPORTS_SSE4_2): New enum value.
 131         (IX86_BUILTIN_CPU_INIT): New enum value.
 132         (IX86_BUILTIN_CPU_IS_AMD): New enum value.
 133         (IX86_BUILTIN_CPU_IS_INTEL): New enum value.
 134         (IX86_BUILTIN_CPU_IS_INTEL_ATOM): New enum value.
 135         (IX86_BUILTIN_CPU_IS_INTEL_CORE2): New enum value.
 136         (IX86_BUILTIN_CPU_IS_INTEL_COREI7_NEHALEM): New enum value.
 137         (IX86_BUILTIN_CPU_IS_INTEL_COREI7_WESTMERE): New enum value.
 138         (IX86_BUILTIN_CPU_IS_INTEL_COREI7_SANDYBRIDGE): New enum value.
 139         (IX86_BUILTIN_CPU_IS_AMDFAM10_BARCELONA): New enum value.
 140         (IX86_BUILTIN_CPU_IS_AMDFAM10_SHANGHAI): New enum value.
 141         (IX86_BUILTIN_CPU_IS_AMDFAM10_ISTANBUL): New enum value.
 142         (IX86_BUILTIN_CPU_IS_AMDFAM15H_BDVER1): New enum value.
 143         (IX86_BUILTIN_CPU_IS_AMDFAM15H_BDVER2): New enum value.
 144         * config/i386/i386-builtin-types.def: New function type.
 145         * testsuite/gcc.target/builtin_target.c: New testcase.
 146
 147 2012-03-05   Xinliang David Li  <davidxl@google.com>
 148         * Merged revisions 184824,184851 via svnmerge from
 149         svn+ssh://gcc.gnu.org/svn/gcc/branches/google/integration
 150
 151 2012-03-04   Xinliang David Li  <davidxl@google.com>
 152
 153         * Merged revisions 184370,184482,184682 via svnmerge from
 154         svn+ssh://gcc.gnu.org/svn/gcc/branches/google/integration
 155
 156 2012-02-14  Jing Yu  <jingyu@google.com>
 157
 158         Google ref 42402-p2
 159         * config/arm/arm.h: Emit GNU-stack note for all arm targets by
 160         default.
 161
 162 2012-02-13   Xinliang David Li  <davidxl@google.com>
 163
 164         * coverage.c: (process_include_paths): New function.
 165         (process_include_paths_1): New function.
 166         (process_include): New function.
 167         (set_lipo_c_parsing_context): Process option -fripa-inc-path-sub=
 168
 169
 170 2012-02-13   Xinliang David Li  <davidxl@google.com>
 171
 172         * tree-optimize.c (execute_fixup_cfg): Using double type in
 173         scaling to avoid count overflow during out-of-line copy
 174         fixup. (ref: google-4_6 r184162)
 175
 176 2012-02-06   Dmitriy Vyukov  <dvyukov@google.com>
 177
 178         Port revision 183839 from google/gcc-4_6 branch.
 179         * tree-tsan.c: Code style changes.
 180
 181 2012-02-01  Xinliang David Li  <davidxl@google.com>
 182
 183         * diagnostic.c (diagnostic_set_info_translated):
 184         strip discriminator for location used in messages.
 185         * loop-unroll.c (unroll_and_peel_loops):
 186         remove exit recording which is redundant.
 187
 188 2012-02-01  Dehao Chen  <dehao@google.com>
 189
 190         * predict.c (strips_small_constant): New
 191         (get_base_value): New
 192         (find_ssa_name_in_assign_stmt): New
 193         (is_comparison_with_loop_invariant_p): New
 194         (expr_coherent_p): New
 195         (predict_iv_comparison): New
 196         (predict_loops): Add heuristic for loop-nested branches that compare an
 197         induction variable to a loop bound variable.
 198         * predict.def (PRED_LOOP_IV_COMPARE): New macro
 199
 200 2012-01-31  Xinliang David Li  <davidxl@google.com>
 201
 202         * Merged revisions 183740 via svnmerge from
 203         svn+ssh://gcc.gnu.org/svn/gcc/branches/google/integration
 204         * Resolved merge conflicts
 205         * Changed libgcov.c to match upstream's handling of crc
 206         computation
 207
 208 2012-01-27  Xinliang David Li  <davidxl@google.com>
 209
 210         Merged revisions 179852,180436,182413,182518 via svnmerge from
 211         svn+ssh://gcc.gnu.org/svn/gcc/branches/google/integration.
 212         Fixed new regressions and FDO/LIPO failures.
 213
 214
 215 2012-01-26  Han Shen  <shenhan@google.com>
 216
 217         Add a new option "-fstack-protector-strong".
 218         * cfgexpand.c (expand_used_vars): Add logic handling
 219         stack-protector-strong.
 220         (record_or_union_type_has_array): New, tests if a record or union type
 221         contains an array.
 222         * common.opt (fstack-protector-strong): New option.
 223
 224 2012-01-25   Harshit Chopra  <harshit@google.com>
 225
 226         Introduce a new option -mpatch-functions-for-instrumentation to
 227         generate Nops at function prologue and epilogue for dynamic
 228         instrumentation.
 229         * gcc/config/i386/i386-protos.h: Added function and macro definitions
 230         for function patch sections used globally.
 231         * gcc/config/i386/i386.c (check_should_patch_current_function): Check
 232         if the current function should be patched with Nops.
 233         (ix86_output_function_prologue): Output Nops for function prologue.
 234         (ix86_output_function_nops_prologue_epilogue): Helper function which
 235         outputs Nops for function prologue and epilogue.
 236         (ix86_elf_asm_named_section): Generate the name of the function patch
 237         section.
 238         (ix86_output_call_insn): Generate nops for sibling calls.
 239         * gcc/config/i386/i386.md: Generate nops for returns.
 240         * gcc/config/i386/i386.opt: Commandline options to control nops
 241         generation for function patching.
 242         * gcc/params.def (DEFPARAM): Define parameter to control generation
 243         of nops based on number of instructions in a function
 244         * gcc/testsuite/gcc.target/i386/patch-functions-1.c: New testcase
 245         * gcc/testsuite/gcc.target/i386/patch-functions-2.c: New testcase
 246         * gcc/testsuite/gcc.target/i386/patch-functions-3.c: New testcase
 247         * gcc/testsuite/gcc.target/i386/patch-functions-4.c: New testcase
 248         * gcc/testsuite/gcc.target/i386/patch-functions-5.c: New testcase
 249         * gcc/testsuite/gcc.target/i386/patch-functions-6.c: New testcase
 250         * gcc/testsuite/gcc.target/i386/patch-functions-7.c: New testcase
 251
 252 2012-01-13   Xinliang David Li  <davidxl@google.com>
 253
 254         *ipa-inline-analysis.c (do_estimate_edge_growth): Skip fake edges.
 255
 256 2012-01-12   Rong Xu  <xur@google.com>
 257
 258         * gcc/profile.c (compute_value_histograms): ignore the
 259                 histrogram when the counters not found in gcda file.
 260
 261 2011-12-21   Rong Xu  <xur@google.com>
 262
 263         * gcc/profile.c (compute_value_histograms): handle the
 264         case when INDIR_CALL counters not available in gcda files.
 265
 266 2012-01-09   Sterling Augustine  <saugustine@google.com>
 267
 268        * dwarf2out.c (output_pubnames): Add check for info_section_emitted.
 269
 270 2012-01-09  Dehao Chen  <dehao@google.com>
 271
 272         * ipa-inline-transform.c (cgraph_node_opt_info): Print profile info
 273         if available.
 274         (dump_inline_decision): Disable einline dump at OPT_INFO_MIN.
 275         * ipa-inline.h (is_in_ipa_inline): New variable.
 276         * ipa-inline.c (inline_small_functions): Set the current inline phase.
 277
 278 2012-01-04   Sterling Augustine  <saugustine@google.com>
 279
 280         * dwarf2out.c (add_pubname): Move conditional clause from outer to
 281         inner if-statement.
 282         (dwarf2out_finish): Fix conditions to output DW_AT_GNU_pubnames and
 283         DW_AT_GNU_pubtypes.  Move decision to output pubnames and pubtypes from
 284         here...
 285         (output_pubnames): ...to here.
 286         (pubtypes_section_empty): Delete unused function.
 287
 288 2012-01-02  Dehao Chen  <dehao@google.com>
 289
 290         * ipa-inline.c (cgraph_node_opt_info): Print more concise info when
 291         dumping inline decisions.
 292
 293 2011-12-19  Sterling Augustine <saugustine@google.com>
 294
 295         * dwarf2out.c (DEBUG_PUBNAMES_SECTION_LABEL,
 296         DEBUG_PUBTYPES_SECTION_LABEL): Define.
 297         (debug_pubnames_section_label, debug_pubtypes_section_label):
 298         Declare.
 299         (is_namespace_die, is_class_die): New functions.
 300         (add_enumerator_pubname): New function.
 301         (add_pubname): Call is_namespace_die, is_cu_die, and is_class_die in
 302         conditional.
 303         (add_pubtype): Call is_namespace_die. Rework name calculation.  Call
 304         type_tag, lang_hooks.dwarf_name and add_enumerator_pubname.
 305         (output_pubnames): Output debug_pubnames_section_label or
 306         debug_pubtypes_section_label.
 307         (base_type_die): Call add_pubtype.
 308         (gen_namespace_die): Call add_pubname_string and lang_hooks.dwarf_name.
 309         (dwarf2_out_init): Generate debug_pubnames_section_label and
 310         debug_pubtypes_section_label.
 311         (pubtypes_section_empty): New function.
 312         (dwarf2_out_finish): Call add_AT_lineptr if pubnames or pubtypes is
 313         non-empty.  When dealing with pubnames, change assertion to conditional.
 314         Call pubtypes_section_empty.  Likewise when dealing with pubtypes.
 315         Move code checking for empty section to...
 316         (pubtypes_section_empty): Here.
 317         * target.def: Switch boolean to enable pubnames and pubtypes.
 318
 319 2011-12-17   Easwaran Raman  <eraman@google.com>
 320
 321         * common.opt (fsized-delete): New option.
 322
 323 2011-12-16   Dmitriy Vyukov  <dvyukov@google.com>
 324
 325         * tree-tsan.c (tsan_ignore): Add check for thunks.
 326
 327 2011-12-16  Dehao Chen  <dehao@google.com>
 328
 329         * ipa-inline-transform.c (dump_inline_decision): New function.
 330         (cgraph_node_call_chain): New function.
 331         (cgraph_node_opt_info): New function.
 332         (cgraph_mark_inline_edge): Dump inline decisions to stderr.
 333
 334 2011-12-14  Sriraman Tallam  <tmsriram@google.com>
 335
 336         Do not vectorize loops on Core2 that need to use unaligned
 337         vector load/stores.
 338         * tree-vect-stmts.c (is_vector_load_store_slow): New function.
 339         (vectorizable_load): Return false if the load
 340         is unaligned and slow.
 341         (vectorizable_store): Ditto.
 342         * target.def (TARGET_SLOW_UNALIGNED_VECTOR_MEMOP): New target hook.
 343         * doc/m.texi.in: Document new target hook:
 344         TARGET_SLOW_UNALIGNED_VECTOR_MEMOP
 345         * doc/m.texi: Regenerate.
 346         * config/i386/i386.c (ix86_slow_unaligned_vector_memop): New function.
 347         (TARGET_SLOW_UNALIGNED_VECTOR_MEMOP): New macro.
 348
 349 2011-12-12  Teresa Johnson  <tejohnson@google.com>
 350
 351         Limit unrolling of loops with LCP stalling instructions on Core i7
 352         so that they will fit into the LSD.
 353         * loop-unroll.c (decide_unroll_constant_iterations): Call loop
 354         unroll target hook.
 355         * config/i386/i386.c (ix86_loop_unroll_adjust): New function.
 356         (TARGET_LOOP_UNROLL_ADJUST): Define hook for x86.
 357
 358 2011-12-09   Dmitriy Vyukov  <dvyukov@google.com>
 359
 360         Fix ThreadSanitizer pass required properties.
 361         * gcc/tree-tsan.c (pass_tsan): Replace PROP_trees with PROP_ssa.
 362
 363 2011-12-05   Dmitriy Vyukov  <dvyukov@google.com>
 364
 365         Fix taking address of SSA_NAME in ThreadSanitizer pass.
 366         * gcc/tree-tsan.c (handle_expr): Add the additional check.
 367
 368 2011-11-30   Dmitriy Vyukov  <dvyukov@google.com>
 369
 370         Add directives to run ThreadSanitizer tests
 371         only on i386/x86_64-*-linux targets.
 372         * gcc/testsuite/gcc.dg/tsan-ignore.c: Add the directives.
 373         * gcc/testsuite/gcc.dg/tsan-stack.c: Add the directives.
 374         * gcc/testsuite/gcc.dg/tsan-mop.c: Add the directives.
 375
 376 2011-11-23   Teresa Johnson  <tejohnson@google.com>
 377
 378         * loop-unroll.c (loop_has_FP_comp): New function.
 379         (limit_code_size): New function.
 380         (unroll_and_peel_loops): Check if unrolling and/or peeling
 381         should be disabled due to large code size estimates.
 382         * common.opt (fripa-peel-size-limit): New option.
 383         (fripa-unroll-size-limit): New option.
 384         * tree-optimize.c (compute_codesize_estimate): New function.
 385         (execute_cleanup_cfg_post_optimizing): Invoke
 386         compute_codesize_estimate at the end of tree optimization.
 387         * params.def (codesize-hotness-threshold): New parameter.
 388         (unrollpeel-codesize-threshold): New parameter.
 389         * doc/invoke.texi: Document the new options and parameters.
 390
 391 2011-11-14   Dmitriy Vyukov  <dvyukov@google.com>
 392
 393         Introduce a new option -ftsan which enables
 394         ThreadSanitizer (TSan), a data race detector:
 395         http://code.google.com/p/data-race-test/.
 396         * gcc/Makefile.in: Add tree-tsan.c.
 397         * gcc/common.opt: Add -ftsan, -ftsan-ignore flags.
 398         * gcc/doc/invoke.texi: Document the new flags.
 399         * gcc/passes.c: Add tsan pass.
 400         * gcc/tree-pass.h: Add tsan pass.
 401         * gcc/toplev.c (compile_file): Call tsan_finish_file.
 402         * gcc/tree-tsan.c: New file.
 403         * gcc/tree-tsan.h: New file.
 404         * gcc/testsuite/gcc.dg/tsan.h: New file.
 405         * gcc/testsuite/gcc.dg/tsan-mop.c: New file.
 406         * gcc/testsuite/gcc.dg/tsan-stack.c: New file.
 407         * gcc/testsuite/gcc.dg/tsan-ignore.c: New file.
 408         * gcc/testsuite/gcc.dg/tsan-ignore.h: New file.
 409         * gcc/testsuite/gcc.dg/tsan-ignore.ignore: New file.
 410
 411 2011-11-16   Rong Xu  <xur@google.com>
 412
 413         * gcc/dwarf2out.c: use TYPE_CONTEXT to get the context for types.
 414
 415 2011-11-07   Rong Xu  <xur@google.com>
 416
 417         * gcc/dwarf2out.c (dwarf2out_decl): fix mixed declarations and code.
 418
 419 2011-11-07   Sharad Singhai  <singhai@google.com>
 420
 421        * gcc.c (cc1_options): Added -fno-early-inlining for coverage.
 422
 423 2011-11-04   Rong Xu  <xur@google.com>
 424
 425         * gcc/c-family/c-opts.c: move the notes under fopt-info.
 426
 427 2011-11-04   Rong Xu  <xur@google.com>
 428
 429         * gcc/dwarf2out.c (dwarf2out_decl): not emit type info
 430         for unreachable functions in LIPO mode.
 431
 432 2011-10-31   Teresa Johnson  <tejohnson@google.com>
 433
 434         * common.opt (fopt-info): Disable -fopt-info by default.
 435         * loop-unroll.c (report_unroll_peel): New function.
 436         (unroll_and_peel_loops): Call record_loop_exits for later use.
 437         (peel_loops_completely): Print the loop source position in dump
 438         info and emit note under -fopt-info.
 439         (decide_unroll_and_peeling): Ditto.
 440         (decide_peel_once_rolling): Record peel factor for use in note
 441         emission.
 442         (decide_peel_completely): Ditto.
 443         * cfgloop.c (get_loop_location): New function.
 444         * cfgloop.h (get_loop_location): Ditto.
 445         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Emit note
 446         under -fopt-info.
 447
 448 2011-11-02   Kostya Serebryany  <kcc@google.com>
 449
 450         Introduce a new option -fasan which enables
 451         AddressSanitizer, a fast memory error detector:
 452         * gcc/Makefile.in: Add tree-asan.c.
 453         * gcc/common.opt: Add -fasan option.
 454         * gcc/invoke.texi: Document the new flag.
 455         * gcc/passes.c: Add the asan pass.
 456         * gcc/toplev.c (compile_file): Call asan_finish_file.
 457         * gcc/tree-asan.c: New file.
 458         * gcc/tree-asan.h: New file.
 459         * gcc/tree-pass.h: Declare pass_asan.
 460
 461 2011-10-19   Rong Xu  <xur@google.com>
 462         (1) Introduce a new option -fopt-info:
 463          * fopt-info=0 or fno-opt-info: no message will be emitted.
 464          * fopt-info or fopt-info=1: emit important warnings and optimization
 465            messages with large performance impact.
 466          * fopt-info=2: warnings and optimization messages targeting power users.
 467          * fopt-info=3: informational messages for compiler developers.
 468         (2) Suppress verbose notes/warnings printed in FDO-use compilation.
 469
 470         * gcc/common.opt (fopt-info): New flag. (fopt-info=) Ditto.
 471         * gcc/opts.c (common_handle_option): Handle OPT_fopt_info_.
 472         * gcc/flag-types.h (opt_info_verbosity_levels): New enum.
 473         * gcc/value-prof.c (check_ic_counter): guard warnings/notes by
 474           flag_opt_info.
 475           (find_func_by_funcdef_no): Ditto.
 476           (check_ic_target): Ditto.
 477           (check_counter): Ditto.
 478           (check_ic_counter): Ditto.
 479         * gcc/mcf.c (find_minimum_cost_flow): Ditto.
 480         * gcc/profile.c (read_profile_edge_counts): Ditto.
 481           (compute_branch_probabilities): Ditto.
 482         * gcc/coverage.c (read_counts_file): Ditto.
 483           (get_coverage_counts): Ditto.
 484         * gcc/tree-profile.c: (gimple_gen_reusedist): Ditto.
 485           (maybe_issue_profile_use_note): Ditto.
 486           (optimize_reusedist): Ditto.
 487         * gcc/testsuite/gcc.dg/pr32773.c: add -fopt-info.
 488         * gcc/testsuite/gcc.dg/pr40209.c: Ditto.
 489         * gcc/testsuite/gcc.dg/pr26570.c: Ditto.
 490         * gcc/testsuite/g++.dg/tree-ssa/dom-invalid.C: Ditto.
 491
 492 2011-10-17  Dehao Chen  <dehao@google.com>
 493
 494         Add a flag (-frecord-gcc-switches-in-elf) to record compiler
 495         command line options to .gnu.switches.text sections of
 496         the object file.
 497         * coverage.c (write_opts_to_asm): Write the options to
 498         .gnu.switches.text sections.
 499         * common.opt: Ditto.
 500         * opts.h: Ditto.
 501
 502 2011-10-04   Diego Novillo  <dnovillo@google.com>
 503
 504         Merge from google/integration rev 179485.
 505
 506 2011-09-22   Diego Novillo  <dnovillo@google.com>
 507
 508         Merge from google/integration rev 179052.
 509
 510 2011-09-20   Diego Novillo  <dnovillo@google.com>
 511
 512         Merge from google/integration rev 178863.
 513
 514 2011-09-15  Easwaran Raman  <eraman@google.com>
 515
 516         * Makefile.in (PLUGIN_HEADERS): Add l-ipo.h.
 517
 518 2011-09-07  Sriraman Tallam  <tmsriram@google.com>
 519
 520         * mversn-dispatch.c (specialize_call): Rebuild cgraph edges after
 521         specialization.
 522         (clone_and_dispatch_function): Rebuild cgraph edges to compute
 523         inline parameters.
 524         (do_convert_builtin_dispatch): Ditto.
 525         (convert_builtin_dispatch): Remove call to mark_syms_for_renaming
 526         for phi nodes.
 527         * passes.c (init_optimization_passes): Remove pass to rebuild
 528         cgraph edges after converting __builtin_dispatch.
 529
 530 2011-08-11  David Li  <davidxl@google.com>
 531
 532         * l-ipo.c (process_module_scope_static_var): Handle aliases.
 533         (process_module_scope_static_func): New function.
 534
 535 2011-08-02   David Li  <davidxl@google.com>
 536
 537         Port 53689-p2 and 53705-p2 to v15
 538         * libgcov.c (__gcov_merge_dc): Relax over assertion in
 539         dc merging.
 540
 541 2011-07-28  David Li  <davidxl@google.com>
 542
 543         * coverage.c (coverage_init): Remove checking of profile-use
 544         flags.
 545
 546 2011-07-26  David Li  <davidxl@google.com>
 547
 548         * value-prof.c (gimple_value_profile_transformations): Remove redundant code.
 549         * cgraphunit.c (cgraph_mark_functions_to_output): Fix assertion in lipo mode.
 550         * ipa-inline.c (early_inliner): Check fake edge.
 551         * l-ipo.c (pop_module_scope): Process alias node.
 552         (cgraph_unify_type_alias_sets): Skip empty function.
 553
 554 2011-07-25  Diego Novillo  <dnovillo@google.com>
 555
 556         * tree-threadsafe-analyze.c (gate_threadsafe_analyze): Always
 557         return false.
 558
 559 2011-07-21   Rong Xu  <xur@google.com>
 560
 561         * ipa.c (function_and_variable_visibility): In LIPO mode, call
 562         varpool_externally_visible_p() to set the externally visible
 563         attribute even for varpool nodes that not marked as needed.
 564         * l-ipo.c (varpool_do_link): Merge the externally visible
 565         attribute for varpool nodes.
 566
 567 2011-07-21  Diego Novillo  <dnovillo@google.com>
 568
 569         Merge from google/integration rev. 176385.
 570
 571 2011-07-21  David Li  <davidxl@google.com>
 572
 573         * cgraphunit.c (cgraph_mark_functions_to_output): Fix test for
 574         DECL_EXTERNAL.
 575
 576 2011-07-21   Diego Novillo  <dnovillo@google.com>
 577
 578         * Makefile.in (COLLECT2_OBJS): Add vec.o and ggc-none.o.
 579         (GCOV_OBJS): Likewise.
 580         (GCOV_DUMP_OBJS): Likewise.
 581         (LTO_WRAPPER_OBJS): New.
 582         (lto-wrapper$(exeext)): Use.
 583         (mversn-dispatch.o): Add dependency on ipa-inline.h.
 584         (value-prof.o): Likewise.
 585
 586 2011-07-21   Diego Novillo  <dnovillo@google.com>
 587
 588         * ipa-inline.c (ipa_inline): Remove extra fprintf argument.
 589
 590 2011-07-21   Diego Novillo  <dnovillo@google.com>
 591
 592         * coverage.c (check_pmu_profile_options): Move ...
 593         * opts.c (check_pmu_profile_options): ... here.  Make static.
 594         * coverage.h (check_pmu_profile_options): Remove declaration.
 595
 596 2011-07-21   Diego Novillo  <dnovillo@google.com>
 597
 598         * tree-inline.c (tree_can_inline_p): Remove unused function.
 599
 600 2011-07-21   Diego Novillo  <dnovillo@google.com>
 601
 602         * c-decl.c (c_save_built_in_decl_post_parsing): Call
 603         cgraph_get_create_node instead of cgraph_node.
 604         * final.c (leaf_renumber_regs_insn): Likewise.
 605         (dump_cgraph_profiles): Likewise.
 606         (rest_of_handle_final): Likewise.
 607         * l-ipo.c (cgraph_lipo_get_resolved_node_1): Likewise.
 608         (cgraph_lipo_get_resolved_node): Likewise.
 609         (promote_static_var_func): Likewise.
 610         * mversn-dispatch.c (make_constructor_function): Likewise.
 611         (clone_function): Likewise.
 612         (specialize_call): Likewise.
 613         (clone_and_dispatch_function): Likewise.
 614         (do_convert_builtin_dispatch): Likewise.
 615         * tree-profile.c (gimple_gen_ic_profiler): Likewise.
 616         (gimple_gen_ic_func_profiler): Likewise.
 617         (gimple_gen_dc_profiler): Likewise.
 618         (gimple_gen_dc_func_profiler): Likewise.
 619         * value-prof.c (gimple_value_profile_transformations): Likewise.
 620
 621 2011-07-21   David Li  <davidxl@google.com>
 622
 623         * ipa-inline.c (better_inline_comdat_function_p): Call inline_summary.
 624         (recursive_inlining): Add local PROBABILITY.
 625
 626 2011-07-21   Diego Novillo  <dnovillo@google.com>
 627
 628         * Makefile.in (ipa-inline-transform.o): Add dependency on l-ipo.h.
 629         * ipa-inline-transform.c: Include l-ipo.h.
 630
 631 2011-07-21   Diego Novillo  <dnovillo@google.com>
 632
 633         * coverage.c (get_da_file_name): Use base_file_name instead of
 634         filename.
 635
 636 2011-07-21   Diego Novillo  <dnovillo@google.com>
 637
 638         * cgraphbuild.c (add_fake_indirect_call_edges): Call
 639         cgraph_get_create_node instead of cgraph_node.
 640         (rebuild_cgraph_edges): Likewise.
 641
 642 2011-07-21  David Li  <davidxl@google.com>
 643
 644         * cgraphunit.c (cgraph_mark_functions_to_output): Fix test for
 645         DECL_EXTERNAL.
 646
 647 2011-07-20  Diego Novillo  <dnovillo@google.com>
 648
 649         tree.h (enum operand_equal_flag): Add values
 650         OEP_ALLOW_NULL, OEP_ALLOW_NO_TYPE.
 651
 652 2011-06-30   DeLesley Hutchins  <delesley@google.com>
 653
 654        * tree-threadsafe-analyze.c (handle_call_gs): Fixes case where
 655        the virtual method callee has unknown type.
 656
 657 2011-06-27   Doug Kwan  <dougkwan@google.com>
 658
 659         Google ref 41164-p2
 660         Backport upstream patch under review.
 661
 662         2011-01-19   NNick Clifton  <nickc@redhat.com>
 663                      Matthias Klose <doko@debian.org>
 664
 665                 * configure.ac (gcc_cv_gold_srcdir): New cached variable -
 666                 contains the location of the gold sources.
 667                 (ORIGINAL_GOLD_FOR_TARGET): New substituted variable - contains
 668                 the name of the locally built gold executable.
 669                 * configure: Regenerate.
 670                 * collect2.c (main): Detect the -use-gold and -use-ld switches
 671                 and select the appropriate linker, if found.
 672                 If a linker cannot be found and collect2 is executing in
 673                 verbose mode then report the search paths examined.
 674                 * exec-tool.in: Detect the -use-gold and -use-ld switches and
 675                 select the appropriate linker, if found.
 676                 Add support for -v switch.
 677                 Report problems locating linker executable.
 678                 * gcc.c (LINK_COMMAND_SPEC): Translate -fuse-ld=gold into
 679                 -use-gold and -fuse-ld=bfd into -use-ld.
 680                 * common.opt: Add fuse-ld=gold and fuse-ld=bfd.
 681                 * opts.c (comman_handle_option): Ignore -fuse-ld=gold and
 682                 -fuse-ld=bfd.
 683                 * doc/invoke.texi: Document the new options.
 684
 685 2011-06-23   Sharad Singhai  <singhai@google.com>
 686
 687         * gcc/doc/invoke.texi: Document new pmu profile related options.
 688         * gcc/doc/gcov.texi: Document new options -m and -q.
 689         * gcc/gcc.c: Link libgcov for -fpmu-profile-generate option.
 690         * gcc/gcov.c (filter_pmu_data_lines): New function.
 691         (output_pmu_data_header): Ditto.
 692         (output_pmu_data): Ditto.
 693         (output_load_latency_line): Ditto.
 694         (output_branch_mispredict_line): Ditto.
 695         (static void process_pmu_profile): Ditto.
 696         * gcc/gcov-io.c (gcov_canonical_filename): New function.
 697         (gcov_read_pmu_load_latency_info): Ditto.
 698         (gcov_read_pmu_branch_mispredict_info): Ditto.
 699         (gcov_read_pmu_tool_header): Ditto.
 700         (gcov_string_length): Ditto.
 701         (convert_unsigned_to_pct): Ditto.
 702         (print_load_latency_line): Ditto.
 703         (print_branch_mispredict_line): Ditto.
 704         (print_pmu_tool_header): Ditto.
 705         (destroy_pmu_tool_header): Ditto.
 706         (gcov_read_string): Make it unconditionally available.
 707         * gcc/gcov-io.h (struct gcov_pmu_info): New structure.
 708         * gcc/opts.c: New option -fpmu-profile-generate.
 709         * gcc/pmu-profile.c (enum pmu_tool_type): New structure.
 710         (enum pmu_event_type): Ditto.
 711         (enum pmu_state): Ditto.
 712         (enum cpu_vendor_signature): Ditto.
 713         (struct pmu_tool_info): Ditto.
 714         (get_x86cpu_vendor): New function.
 715         (parse_pmu_profile_options): Ditto.
 716         (start_addr2line_symbolizer): Ditto.
 717         (reset_symbolizer_parent_pipes): Ditto.
 718         (reset_symbolizer_child_pipes): Ditto.
 719         (end_addr2line_symbolizer): Ditto.
 720         (symbolize_addr2line): Ditto.
 721         (start_pfmon_module): Ditto.
 722         (convert_pct_to_unsigned): Ditto.
 723         (parse_load_latency_line): Ditto.
 724         (parse_branch_mispredict_line): Ditto.
 725         (destroy_load_latency_infos): Ditto.
 726         (destroy_branch_mispredict_infos): Ditto.
 727         (parse_pfmon_load_latency): Ditto.
 728         (parse_pfmon_tool_header): Ditto.
 729         (parse_pfmon_branch_mispredicts): Ditto.
 730         (pmu_start): Ditto.
 731         (init_pmu_load_latency): Ditto.
 732         (init_pmu_branch_mispredict): Ditto.
 733         (init_pmu_tool): Ditto.
 734         (__gcov_init_pmu_profiler): Ditto.
 735         (__gcov_start_pmu_profiler): Ditto.
 736         (__gcov_stop_pmu_profiler): Ditto.
 737         (gcov_write_ll_line): Ditto.
 738         (gcov_write_branch_mispredict_line): Ditto.
 739         (gcov_write_load_latency_infos): Ditto.
 740         (gcov_write_branch_mispredict_infos): Ditto.
 741         (gcov_tag_pmu_tool_header_length): Ditto.
 742         (gcov_write_tool_header): Ditto.
 743         (__gcov_end_pmu_profiler): Ditto.
 744         * gcc/coverage.c (get_const_string_type): New function.
 745         (create_coverage): Do the coverage processing even if only
 746         flag_pmu_profile_generate is specified.
 747         (coverage_init): Call gimple_init_instrumentation_sampling from here instead
 748         from tree-profile.c:gimple_init_edge_profiler.
 749         (profiling_enabled_p): New function.
 750         (init_pmu_profiling): Ditto.
 751         (check_pmu_profile_options): Ditto.
 752         * gcc/coverage.h (check_pmu_profile_options): Declaration.
 753         (tree_init_instrumentation_sampling): Declaration.
 754         * gcc/common.opt: Add new options -fpmu-profile-generate and
 755         -fpmu-profile-use.
 756         * gcc/tree-profile.c (gimple_init_instrumentation_sampling): Make
 757         extern. Move the call from gimple_init_edge_profiler to
 758         coverage.c:coverage_init.
 759         * gcc/libgcov.c (gcov_alloc_filename) [__GCOV_KERNEL__]: Moved earlier.
 760         (gcov_alloc_filename) [!__GCOV_KERNEL__]: Initialize gi_filename_up.
 761         (pmu_profile_stop): New function.
 762         (gcov_dump_module_info): Replace gcov_strip_leading_dirs with a macro.
 763         (__gcov_init): Add initialization of PMU profiler.
 764         (gcov_exit): Add finalization of PMU profiler.
 765         (gcov_get_filename): Cleanup whitespaces.
 766         * gcc/params.def: New parameter pmu_profile_n_addresses.
 767         * gcc/gcov-dump.c (tag_pmu_load_latency_info): New function.
 768         (tag_pmu_branch_mispredict_info): Ditto.
 769         (tag_pmu_tool_header): Ditto.
 770
 771 2011-06-22   Rong Xu  <xur@google.com>
 772
 773         * gcc/libgcov.c: (TARGET_VTABLE_USES_DESCRIPTORS): Remove.
 774
 775 2011-06-21  Diego Novillo  <dnovillo@google.com>
 776
 777         Merge from google/integration rev 175221.
 778
 779 2011-06-16   Sharad Singhai  <singhai@google.com>
 780
 781         Google Ref 39999
 782
 783         * doc/gcov.texi: Document gcov intermediate format.
 784         * gcov.c (get_gcov_file_intermediate_name): New function.
 785         (output_intermediate_file): New function.
 786
 787 2011-06-14  Le-Chun Wu  <lcwu@google.com>
 788
 789         * tree-threadsafe-analyze.c (build_fully_qualified_lock): Handle
 790         IPA-SRA cloned methods.
 791         (get_canonical_lock_expr): Fold expressions that are INDIRECT_REF on
 792         top of ADDR_EXPR.
 793         (check_lock_required): Handle IPA-SRA cloned methods.
 794         (check_func_lock_excluded): Likewise.
 795         (process_function_attrs): Likewise.
 796
 797 2011-06-10  David Li  <davidxl@google.com>
 798
 799         Backport 174930
 800         * cgraphunit.c (cgraph_finalize_compilation_unit): Pass dump.
 801         * passes.c (passr_eq): New function.
 802         (create_pass_tab): New function.
 803         (pass_traverse): New function.
 804         (dump_one_pass): New function.
 805         (dump_pass_list): New function.
 806         (dump_passes): New function.
 807
 808 2011-06-14   David Li  <davidxl@google.com>
 809
 810         * cp/semantics.c (emit_associated_thunks):
 811         Do not omit thunk emission for aux modules.
 812
 813 2011-06-10  Rong Xu  <xur@google.com>
 814
 815         * gcc/tree-ssa-loop-im.c (maxmimu_lsm): New define.
 816         (find_refs_for_sm): Limit excessive lsm.
 817         * gcc/gcse.c (cfgloop.h): New include.
 818         (maximum_lsm_limit): New define.
 819         (struct loop_lsm_limit_map): Ditto.
 820         (loop_lsm_limit_map_htab): Ditto.
 821         (loops_lsm): Ditto.
 822         (dominator_info_avail_before_lsm_limit): Ditto.
 823         (compute_ld_motion_mems): Limit execssive lsm.
 824         (find_loop_lsm_limit): New functions.
 825         (adjust_loop_lsm_limit): Ditto.
 826         (init_loop_lsm_limit): Ditto.
 827         (fini_loop_lsm_limit): Ditto.
 828         (estimate_reg_pressure_before_lsm): Ditto.
 829         (loop_lsm_limit_map_hash): Ditto.
 830         (loop_lsm_limit_map_eq): Ditto.
 831         (free_loop_lsm_limit_map): Ditto.
 832
 833 2011-06-09  Chris Demetriou  <cgd@google.com>
 834
 835         * doc/install.texi (--with-warn-frame-larger-than-extra-text): New.
 836         * configure.ac (--with-warn-frame-larger-than-extra-text): New.
 837         (WARN_FRAME_LARGER_THAN_EXTRA_TEXT): Define.
 838         * final.c (final_start_function): Use
 839         WARN_FRAME_LARGER_THAN_EXTRA_TEXT.
 840         * configure: Regenerate.
 841         * config.in: Regenerate.
 842
 843 2011-06-09  David Li  <davidxl@google.com>
 844
 845         Revert temporarily
 846         * gcse.c (gate_rtl_cprop): Gate cleanup
 847         (execute_rtl_cprop): Gate cleanup
 848
 849 2011-06-09  David Li  <davidxl@google.com>
 850
 851         Revert temporarily
 852         Backport trunk 174849
 853         * cgraphunit.c (cgraph_finalize_compilation_unit): Pass dump.
 854         * passes.c (passr_eq): New function.
 855         (create_pass_tab): New function.
 856         (pass_traverse): New function.
 857         (dump_one_pass): New function.
 858         (dump_pass_list): New function.
 859         (dump_passes): New function.
 860
 861 2011-06-09  David Li  <davidxl@google.com>
 862
 863         * gcse.c (gate_rtl_cprop): Gate cleanup
 864         (execute_rtl_cprop): Gate cleanup
 865
 866 2011-06-09  David Li  <davidxl@google.com>
 867
 868         Backport trunk 174849
 869         * cgraphunit.c (cgraph_finalize_compilation_unit): Pass dump.
 870         * passes.c (passr_eq): New function.
 871         (create_pass_tab): New function.
 872         (pass_traverse): New function.
 873         (dump_one_pass): New function.
 874         (dump_pass_list): New function.
 875         (dump_passes): New function.
 876
 877 2011-06-09  David Li  <davidxl@google.com>
 878
 879         Backport trunk 174848
 880         * tree-complex.c (tree_lower_complex): Gate cleanup.
 881         * tree-stdarg.c (check_all_va_list_escapes): Ditto.
 882         (execute_optimize_stdarg): Ditto.
 883         * tree-eh.c (execute_lower_eh_dispatch): Ditto.
 884         (execute_cleanup_eh_1): Ditto.
 885         (execute_cleanup_eh): Ditto.
 886         * gcse.c (gate_rtl_pre): Ditto.
 887         (execute_rtl_pre): Ditto.
 888         * except.c (finish_eh_generation): Ditto.
 889         (convert_to_eh_region_ranges): Ditto.
 890         * cprop.c (one_cprop_pass): Ditto.
 891
 892 2011-06-08  Sriraman Tallam  <tmsriram@google.com>
 893
 894         * doc/invoke.texi: document option -fcallgraph-profiles-sections.
 895         * final.c  (dump_cgraph_profiles): New function.
 896         (rest_of_handle_final): Create new section '.note.callgraph.text'
 897         with compiler flag -fcallgraph-profiles-sections
 898         * common.opt: New option -fcallgraph-profiles-sections.
 899         * params.def (DEFPARAM): New param
 900         PARAM_NOTE_CGRAPH_SECTION_EDGE_THRESHOLD.
 901
 902 2011-06-07  Mark Heffernan  <meheff@google.com>
 903
 904         * cgraph.h (cgraph_global_info): Remove field.
 905         * ipa-inline.c (cgraph_clone_inlined_nodes): Change
 906         stack frame computation.
 907         (cgraph_check_inline_limits): Change stack frame computation.
 908         (compute_inline_parameters): Remove dead initialization.
 909
 910 2011-06-07  David Li  <davidxl@google.com>
 911
 912         * tree-pretty-print.c   (revision 174779)
 913         (dump_function_header): dump module id.
 914
 915 2011-06-07  David Li  <davidxl@google.com>
 916
 917         Backport trunk r174536,174537,174762,174698
 918
 919         * passes.c (enable_disable_pass): Handle assembler name.
 920         (is_pass_explicitly_enabled_or_disabled): Ditto.
 921         * predict.c : Change pass name
 922         * ipa.c: Ditto.
 923         * dce.c: Ditto.
 924         * tree-profile.c: Ditto.
 925         * except.c: Ditto.
 926         * tree-pretty-print.c (dump_function_header): New function.
 927         * final.c (rest_of_clean_state): Use header dumper.
 928         * tree-cfg.c (gimple_dump_cfg): Use header dumper.
 929         * passes.c (pass_init_dump_file): Use header dumper.
 930         * tree-pretty-print.c (dump_function_header): Add flags.
 931         Don't dump decl_uid with nouid.
 932         * tree-pretty-print.h (dump_function_header): Adjust.
 933         * final.c (rest_of_clean_state): Pass dump_flags on, with nouid.
 934         * passes.c (pass_init_dump_file): Pass dump_flags on.
 935         * tree-cfg.c (gimple_dump_cfg): Pass flags on.
 936
 937 2011-06-06  Diego Novillo  <dnovillo@google.com>
 938
 939         Merge from google/integration rev 174705.
 940
 941 2011-06-02  Neil Vachharajani  <nvachhar@gmail.com>
 942             Dehao Chen <danielcdh@gmail.com>
 943
 944         * gcc/doc/invoke.texi (min-mcf-cancel-iters): Document.
 945         * gcc/mcf.c (MAX_ITER): Use new param PARAM_MIN_MCF_CANCEL_ITERS.
 946         (edge_type): Add SINK_SOURCE_EDGE.
 947         (dump_fixup_edge): Handle SINK_SOURCE_EDGE.
 948         (create_fixup_graph): Make problem miminum cost circulation.
 949         (cancel_negative_cycle): Update handling of infinite capacity.
 950         (compute_residual_flow): Update handling of infinite capacity.
 951         (find_max_flow): Update handling of infinite capacity.
 952         (modify_sink_source_capacity): New function.
 953         (find_minimum_cost_flow): Make problem miminum cost circulation.
 954         Use param PARAM_MIN_MCF_CANCEL_ITERS.
 955         * gcc/params.def (PARAM_MIN_MCF_CANCEL_ITERS): Define.
 956
 957 2011-05-30  Xinliang David Li  <davidxl@google.com>
 958
 959         Backport trunk r174423, r174424
 960         * opts-global.c (handle_common_deferred_options): Handle new options.
 961         * passes.c (register_one_dump_file): Call register_pass_name.
 962         (execute_one_pass): Check explicit enable/disable flag.
 963         (passr_hash): New function.
 964         (passr_eq): Ditto.
 965         (register_pass_name): Ditto.
 966         (get_pass_by_name): Ditto.
 967         (pass_hash): Ditto.
 968         (pass_eq): Ditto.
 969         (enable_pass): Ditto.
 970         (disable_pass): Ditto.
 971         (is_pass_explicitly_enabled_or_disabled): Ditto.
 972
 973 2011-05-30  David Li  <davidxl@google.com>
 974
 975         * cgraphunit.c (cgraph_optimize):  Remove call to static
 976         promotion funciton.
 977         * cp/decl2.c (cp_process_pending_declarations):  Do not
 978         remove body of __static_init functions for aux modules.
 979         * ipa-inline.c (leaf_node_p):  Filter indirect callsite
 980         to make sure profile gen and profile use consistency
 981         (cgraph_decide_inlining_incrementally):  Remove LIPO
 982         specific inline rule used to workaround size estimation
 983         problem for static functions.
 984         * tree-profile.c (tree_profiling):  Do static promotion here.
 985         * l-ipo.c (cgraph_is_aux_decl_external):  Handle non-promoted
 986         static function.
 987         (create_unique_name): New function.
 988         (promote_static_var_func): Do not promote non addr taken statics.
 989
 990 2011-05-23  Rong Xu  <xur@google.com>
 991
 992         * gcc/libgcov.c (gcov_merge_gcda_file): initialize eof_pos for
 993         every invocation.
 994
 995 2011-05-21  David Li  <davidxl@google.com>
 996
 997         * function.h: Give funcdef_no 18 bits in label name.
 998
 999 2011-05-18  Mark Heffernan  <meheff@google.com>
1000
1001        * opts.c (finish_options): Increase inlining limits with profile
1002        generate and use.
1003
1004 2011-05-17  Mark Heffernan  <meheff@google.com>
1005
1006         * ipa-inline.c (estimate_function_body_sizes): Parameterize static
1007         function static overhead.
1008         * params.def (PARAM_INLINE_FUNCTION_OVERHEAD_SIZE): New parameter.
1009
1010 2011-05-12  Rong Xu  <xur@google.com>
1011
1012         * gcc/coverage.c (coverage_note_define): set is_kernel_build if building
1013         for Linux kernel.
1014         * gcc/tree-profile.c (is_kernel_build): New declare.
1015         (init_ic_make_global_vars): don't emit TLS declarations for Linux kernel
1016         builds.
1017         (direct_call_profiling): Ditto.
1018         * gcc/gcov-io.h (__GCOV_KERNEL__): Set if __KERNEL__ is defined.
1019         (BTIS_PER_UNIT): Set the vaule under __GCOV_KERNEL__.
1020         (LONG_LONG_TYPE_SIZE): Ditto.
1021         (_GCOV_FILE, _GCOV_fclose, _GCOV_ftell, _GCOV_fseek, _GCOV_ftruncate,
1022         _GCOV_fread, _GCOV_fwrite, _GCOV_fread, _GCOV_fileno): Wrapper macros.
1023         (gcov_kernel_vfile): New type declare under __GCOV_KERNEL__.
1024         (gcc_assert): New function under __GCOV_KERNEL__.
1025         (gcov_var): Move the definition to gcov-io.c under __GCOV_KERNEL__.
1026         (gcov_rewrite): Change fseek to _GCOV_fseek.
1027         * gcc/gcov-io.c (gcov_var): Add declare under __GCOV_KERNEL__.
1028         (gcov_open): New implementation under __GCOV_KERNEL__.
1029         (gcov_sync): Ditto.
1030         (gcov_truncate): Ditto.
1031         (gcov_close): Replace calls to libc functions to macros.
1032         (gcov_write_block): Ditto.
1033         (gcov_read_words): Ditto.
1034         (gcov_sync): Ditto.
1035         (gcov_seek): Ditto.
1036         (kernel_file_fclose): New functions under __GCOV_KERNEL__.
1037         (kernel_file_ftell): Ditto.
1038         (kernel_file_fseek): Ditto.
1039         (kernel_file_ftruncate): Ditto.
1040         (kernel_file_fread): Ditto.
1041         (kernel_file_fwrite): Ditto.
1042         (kernel_file_fileno): Ditto.
1043         * gcc/libgcov.c (L_gcov, L_gcov_interval_profiler,
1044         L_gcov_pow2_profiler, L_gcov_one_value_profiler,
1045         L_gcov_indirect_call_profiler, L_gcov_average_profiler,
1046         L_gcov_ior_profiler, TARGET_VTABLE_USES_DESCRIPTORS,
1047         HAVE_CC_TLS, __GCOV_KERNEL__, IN_LIBGCOV, IN_GCOV): Set the value
1048         under __KERNEL__ for Linux kernel FDO build support.
1049         (tconfig.h, tsystem.h, coretypes.h, tm.h): Do not inlude for kernel
1050         builds (i.e. include under #ifndef __KERNELL__).
1051         (string.h, fcntl.h, errno,h, sys/stat.h) Ditto.
1052         (gcov_error): New function for error reporting.
1053         (all, this_program, this_object, program, object, summary_pos,
1054         eof_pos, gcov_prefix_strip, prefix_length
1055         gi_filename, gi_filename_up): New declares.
1056         (gcov_exit): Refactored.
1057         (gcov_open_by_filename): New function.
1058         (gcov_counter_active): Ditto.
1059         (gcov_alloc_filename): Ditto.
1060         (gcov_dump_module_info): Ditto.
1061         (gcov_counter_array): Ditto.
1062         (gcov_object_summary): Ditto.
1063         (gcov_merge_gcda_file): Ditto.
1064         (gcov_compute_fi_stride): Ditto.
1065         (gcov_gcda_file_size): Ditto.
1066         (gcov_write_gcda_file): Ditto.
1067         (gcov_exit_init): Ditto.
1068         (gcov_dump_one_gcov): Ditto.
1069         (gcov_get_filename): New implementation under __GCOV_KERNEL__.
1070         (gcov_sort_icall_topn_counter): Ditto.
1071         (gcov_alloc_filename): Ditto.
1072         (gcov_current_file): Ditto.
1073         (gcov_set_vfile): Ditto.
1074         (gcov_kernel_dump_one_gcov): Ditto.
1075         (__gcov_merge_add): New dummy functions under __GCOV_KERNEL__.
1076         (__gcov_merge_single): Ditto.
1077         (__gcov_merge_delta): Ditto.
1078         (__gcov_merge_ior): Ditto.
1079         (__gcov_merge_icall_topn): Ditto.
1080         (__gcov_merge_dc): Ditto.
1081         (__gcov_merge_reusedist): Ditto.
1082         (__gcov_merge_add): Export kernel symbol under __GCOV_KERNEL__.
1083         (__gcov_merge_single): Ditto.
1084         (__gcov_merge_delta): Ditto.
1085         (__gcov_merge_ior): Ditto.
1086         (__gcov_merge_icall_topn): Ditto.
1087         (__gcov_merge_dc): Ditto.
1088         (__gcov_merge_reusedist): Ditto.
1089         (__gcov_average_profiler): Ditto.
1090         (__gcov_indirect_call_profiler): Ditto.
1091         (__gcov_interval_profiler): Ditto.
1092         (__gcov_ior_profiler): Ditto.
1093         (__gcov_one_value_profiler): Ditto.
1094         (__gcov_pow2_profiler): Ditto.
1095
1096 2011-05-10  David Li  <davidxl@google.com>
1097
1098         * cgraphunit.c (verify_cgraph_node): Disable checking
1099         in LIPO mode temporarily.
1100         (cgraph_mark_functions_to_output): Ditto.
1101         * tree-cfg.c (verify_stmt): Ditto.
1102
1103 2011-05-06  David Li  <davidxl@google.com>
1104
1105         Revert r173158.
1106         * doc/invoke.texi (fno-strict-enum-precision): Document.
1107         * gimplify.c (gimplify_switch_expr): If
1108         -fno-strict-enum-precision is given, do not consider enum
1109         types.
1110         * tree-vrp.c (stmt_interesting_for_vrp): If
1111         -fno-strict-enum-precision is given, do not look at enum
1112         types.
1113
1114 2011-05-09  Silvius Rus <silvius.rus@gmail.com>
1115
1116         * value-prof.c (interesting_stringop_to_profile_p): Disbale
1117         stringop profiling if reuse distance profiling is turned on.
1118         * value-prof.h (gimple_gen_reusedist, optimize_reusedist): Declare.
1119         * gcov-io.h: (GCOV_COUNTER_REUSE_DIST): New counter.
1120         (GCOV_COUNTERS): Update.
1121         (GCOV_COUNTER_NAMES): Add reuse_distance.
1122         (GCOV_MERGE_FUNCTIONS): Add __gcov_merge_reusedist.
1123         (__gcov_merge_reusedist): New declaration.
1124         * profile.c (branch_prob): Enable reuse distance profiling and
1125         optimization.
1126         * common.opt (fprofile-reusedist, foptimize-locality): New options.
1127         * tree-profile.c: Include params.h.
1128         (stringop_subst, reusedist_t): New structures.
1129         (stringop_subst_t, reusedist_t): New typedefs.
1130         (stringop_decl): New global array.
1131         (RD_NUM_COUNTERS): New constant.
1132         (get_stringop_subst, reusedist_is_interesting_call)
1133         (reusedist_instr_func_name, reusedist_get_instr_decl)
1134         (reusedist_make_instr_call, reusedist_from_counters)
1135         (gimple_gen_reusedist, nt_op_name, reusedist_get_size_threshold)
1136         (reusedist_get_distance_large_threshold)
1137         (reusedist_get_distance_small_threshold)
1138         (reusedist_get_count_threshold, reusedist_nt_is_worth_it)
1139         (reusedist_get_nt_decl, maybe_issue_profile_use_note)
1140         (reusedist_maybe_replace_with_nt_version, optimize_reusedist): New
1141         functions.
1142         (gate_tree_profile_ipa): Return true if reuse distance instrumentation
1143         or use is turned on.
1144         * Makefile.in (LIBGCOV): Add _gcov_merge_reusedist.
1145         * libgcov.c (__gcov_weighted_mean2, __gcov_merge_reusedist): New
1146         functions.
1147         * params.def (PARAM_REUSEDIST_MEAN_DIST_LARGE_THRESH)
1148         (PARAM_REUSEDIST_MEAN_DIST_SMALL_THRESH)
1149         (PARAM_REUSEDIST_CALL_COUNT_THRESH, PARAM_REUSEDIST_MEMCPY_SIZE_THRESH)
1150         (PARAM_REUSEDIST_MEMSET_SIZE_THRESH): New params.
1151
1152 2011-05-06  Lawrence Crowl  <crowl@google.com>
1153
1154         * timevar.h (timevar_cond_start): Remove unused POP_TIMEVAR_AND_RETURN.
1155         (timevar_cond_start): New for starting a timer only when it is not
1156         already running.
1157         (timevar_cond_stop): New for stopping a timer when it was not already
1158         running.
1159
1160         * timevar.c (timevar_stop): Enable start/stop timers to start again.
1161         (timevar_cond_start): New as above.
1162         (timevar_cond_stop): New as above.
1163
1164         * timevar.def: Add start/stop timers for compiler phases,
1165         TV_PHASE_SETUP, TV_PHASE_PARSING, TV_PHASE_DEFERRED, TV_PHASE_CGRAPH,
1166         TV_PHASE_DBGINFO (C), TV_PHASE_CHECK_DBGINFO (C++), TV_PHASE_GENERATE,
1167         and TV_PHASE_FINALIZE.
1168         Change push/pop timer TV_PARSE to TV_PARSE_GLOBAL.
1169         Add push/pop timers TV_PARSE_STRUCT, TV_PARSE_ENUM, TV_PARSE_FUNC,
1170         TV_PARSE_INLINE, TV_PARSE_INMETH, TV_TEMPLATE_INST.
1171         Change push/pop timer TV_NAME_LOOKUP into a start/stop timer.
1172         Make unused TV_OVERLOAD into a start/stop timer.
1173
1174         Remove unused timers TV_OVERLOAD, TV_TEMPLATE_INSTANTIATION.
1175         Mark the strings for TV_NAME_LOOKUP and TV_OVERLOAD with a "|"
1176         to indicate that they are start/stop timers.
1177
1178         * toplev.c (compile_file): Change TV_PARSE to TV_PARSE_GLOBAL.
1179         Add start/stop timers TV_PHASE_PARSING and TV_PHASE_GENERATE.
1180         Move initialization to do_compile.
1181         (do_compile): Add initialization from above.
1182         Add start/stop timers TV_PHASE_SETUP and TV_PHASE_FINALIZE.
1183
1184         * c-decl.c (c_write_global_declarations): Add start/stop of
1185         TV_PHASE_DEFERRED, TV_PHASE_CGRAPH, TV_PHASE_DBGINFO.
1186
1187         * c-parser.c (c_parser_declaration_or_fndef): Push/pop TV_PARSE_FUNC
1188         or TV_PARSE_INLINE, as appropriate.
1189         (c_parser_enum_specifier): Push/pop TV_PARSE_ENUM.
1190         (c_parser_struct_or_union_specifier): Push/pop TV_PARSE_STRUCT.
1191
1192 2011-05-06  Easwaran Raman  <eraman@google.com>
1193
1194         Backport r172837:
1195
1196         * cfgexpand.c (stack_var): Remove OFFSET...
1197         (add_stack_var): ...and its reference here...
1198         (expand_stack_vars): ...and here.
1199         (stack_var_cmp): Sort by descending order of size.
1200         (partition_stack_vars): Change heuristic.
1201         (union_stack_vars): Fix to reflect changes in
1202         partition_stack_vars.
1203         (dump_stack_var_partition): Add newline after each partition.
1204
1205 2011-05-06  Easwaran Raman  <eraman@google.com>
1206
1207         Backport r172788:
1208
1209         * cfgexpand.c (add_alias_set_conflicts): Add conflicts with a variable
1210         containing union type only with -fstrict-aliasing.
1211
1212 2011-05-04  David Li  <davidxl@google.com>
1213
1214         * coverage.c (incompatible_cl_args): Better handling
1215         of option mismatch.
1216
1217
1218 2011-05-04  Sriraman Tallam  <tmsriram@google.com>
1219
1220         * tree-pass.h (pass_tree_convert_builtin_dispatch): New pass.
1221         (pass_ipa_multiversion_dispatch): New pass.
1222         * builtin-types.def (BT_PTR_FN_INT): New pointer type.
1223         (BT_FN_INT_PTR_FN_INT_PTR_PTR_VAR): New function type for __builtin_dispatch.
1224         * builtins.def (BUILT_IN_DISPATCH): New builtin to
1225         support multi-version calls.
1226         * mversn-dispatch.c: New file.
1227         * timevar.def (TV_MVERSN_DISPATCH): New time var.
1228         * common.opt (fclone-hot-version-paths): New flag.
1229         * Makefile.in (mversn-dispatch.o): New rule.
1230         * passes.c (init_optimization_passes): Add the new
1231         multi-version and dispatch passes to the pass list.
1232         * params.def (PARAM_NUMBER_OF_MVERSN_CLONES): Define.
1233         (PARAM_MVERSN_CLONE_CGRAPH_DEPTH): Define.
1234         * doc/invoke.texi (mversn-clone-depth): Document.
1235         (num-mversn-clones): Document.
1236         (fclone-hot-version-paths): Document.
1237
1238 2011-05-04  Silvius Rus  <silvius.rus@gmail.com>
1239
1240         * doc/invoke.texi: Document -fprofile-generate-sampling option.
1241         * gcov-io.h (__gcov_set_sampling_rate): New declaration.
1242         * profile.c (branch_prob): Add support for sampled profile
1243         collection.
1244         * profile.h (add_sampling_to_edge_counters): New declaration.
1245         * common.opt (fprofile-generate-sampling): New option.
1246         * tree-profile: Include header files; define EDGE_COUNTER_STMT_COUNT.
1247         (instrumentation_to_be_sampled, gcov_sample_counter_decl)
1248         (gcov_sampling_rate_decl): New globals.
1249         (insert_if_then, add_sampling_wrapper, is_instrumentation_to_be_sampled)
1250         (add_sampling_to_edge_counters, gimple_init_instrumentation_sampling):
1251         New functions.
1252         (gimple_init_edge_profiler): Call gimple_init_instrumentation_sampling.
1253         (gimple_gen_edge_profiler): Mark start of instrumentation block.
1254         * libgcov.c (__gcov_sampling_rate): New extern declaration.
1255         (gcov_sampling_rate_initialized, __gcov_sample_counter): New globals.
1256         (gcov_exit): Set sampling rate; minor coding style fixes.
1257         (__gcov_init): Initialize __gcov_sampling_rate.
1258         * params.def (PARAM_PROFILE_GENERATE_SAMPLING_RATE): New parameter.
1259
1260 2011-05-03  David Li  <davidxl@google.com>
1261
1262         Backport r173177:
1263
1264         * tree-profile.c (init_ic_make_global_vars): Set
1265         tls attribute on ic vars.
1266         * coverage.c (coverage_end_function): Initialize
1267         function_list with zero.
1268
1269 2011-05-03  David Li  <davidxl@google.com>
1270
1271         Backport r173147:
1272
1273         * tree.c (crc32_string): Use crc32_byte.
1274         (crc32_byte): New function.
1275         * tree.h (crc32_byte): New function.
1276         * gcov.c (read_graph_file): Handle new cfg_cksum.
1277         (read_count_file): Ditto.
1278         * profile.c (instrument_values): Ditto.
1279         (get_exec_counts): Ditto.
1280         (read_profile_edge_counts): Ditto.
1281         (compute_branch_probabilities): Ditto.
1282         (compute_value_histograms): Ditto.
1283         (branch_prob): Ditto.
1284         (end_branch_prob): Ditto.
1285         * coverage.c (read_counts_file): Ditto.
1286         (get_coverage_counts): Ditto.
1287         (tree_coverage_counter_addr): Ditto.
1288         (coverage_checksum_string): Ditto.
1289         (coverage_begin_output): Ditto.
1290         (coverage_end_function): Ditto.
1291         (build_fn_info_type): Ditto.
1292         (build_fn_info_value): Ditto.
1293         * libgcov.c (gcov_exit): Ditto.
1294         * gcov-dump.c (tag_function): Ditto.
1295         (compute_checksum): Remove.
1296
1297 2011-05-03  David Li  <davidxl@google.com>
1298
1299         * l-ipo.c (promote_static_var_or_func): Keep initializer
1300         for externalized aux module variables.
1301         (process_module_scope_static_var): Keep initializer
1302         for promoted static vars to allow ccp.
1303
1304 2011-05-02  Sriraman Tallam  <tmsriram@google.com>
1305
1306         Revert :
1307
1308         2011-05-02  Sriraman Tallam  <tmsriram@google.com>
1309
1310         * c-family/c-common.c   (revision 173122) (handle_version_selector_attribute): New function.
1311         (c_common_attribute_table): New attribute "version_selector".
1312         * tree-pass.h   (revision 173122) (pass_tree_convert_builtin_dispatch): New pass.
1313         (pass_ipa_multiversion_dispatch): New pass.
1314         * testsuite/gcc.dg/mversn7.c    (revision 0): New test case.
1315         * testsuite/gcc.dg/mversn4.c    (revision 0): New test case.
1316         * testsuite/gcc.dg/mversn4.h    (revision 0): New test case.
1317         * testsuite/gcc.dg/mversn4a.c   (revision 0): New test case.
1318         * testsuite/gcc.dg/torture/mversn1.c    (revision 0): New test case.
1319         * testsuite/gcc.dg/mversn2.c    (revision 0): New test case.
1320         * testsuite/gcc.dg/mversn6.c    (revision 0): New test case.
1321         * testsuite/gcc.dg/mversn3.c    (revision 0): New test case.
1322         * testsuite/g++.dg/mversn8.C    (revision 0): New test case.
1323         * testsuite/g++.dg/mversn10a.C  (revision 0): New test case.
1324         * testsuite/g++.dg/mversn14a.C  (revision 0): New test case.
1325         * testsuite/g++.dg/tree-prof/mversn13.C (revision 0): New test case.
1326         * testsuite/g++.dg/tree-prof/mversn15.C (revision 0): New test case.
1327         * testsuite/g++.dg/tree-prof/mversn15a.C        (revision 0): New test case.
1328         * testsuite/g++.dg/mversn9.C    (revision 0): New test case.
1329         * testsuite/g++.dg/mversn10.C   (revision 0): New test case.
1330         * testsuite/g++.dg/mversn12.C   (revision 0): New test case.
1331         * testsuite/g++.dg/mversn14.C   (revision 0): New test case.
1332         * testsuite/g++.dg/mversn16.C   (revision 0): New test case.
1333         * testsuite/g++.dg/torture/mversn11.C   (revision 0): New test case.
1334         * testsuite/g++.dg/torture/mversn5.C    (revision 0): New test case.
1335         * testsuite/g++.dg/torture/mversn5.h    (revision 0): New test case.
1336         * testsuite/g++.dg/torture/mversn5a.C   (revision 0): New test case.
1337         * builtin-types.def     (revision 173122) (BT_PTR_FN_INT): New pointer type.
1338         (BT_FN_INT_PTR_FN_INT_PTR_PTR_VAR): New function type for __builtin_dispatch.
1339         * builtins.def  (revision 173122) (BUILT_IN_DISPATCH): New builtin to
1340         support multi-version calls.
1341         * mversn-dispatch.c     (revision 0): New file.
1342         * timevar.def   (revision 173122) (TV_MVERSN_DISPATCH): New time var.
1343         * common.opt    (revision 173122) (fclone-hot-version-paths): New flag.
1344         * Makefile.in   (revision 173122) (mversn-dispatch.o): New rule.
1345         * passes.c      (revision 173122) (init_optimization_passes): Add the new
1346         multi-version and dispatch passes to the pass list.
1347         * params.def    (revision 173122) (PARAM_NUMBER_OF_MVERSN_CLONES): Define.
1348         (PARAM_MVERSN_CLONE_CGRAPH_DEPTH): Define.
1349         * doc/invoke.texi       (revision 173122) (mversn-clone-depth): Document.
1350         (num-mversn-clones): Document.
1351         (fclone-hot-version-paths): Document.
1352
1353 2011-05-02  Diego Novillo  <dnovillo@google.com>
1354
1355         Merge from google/integration rev 173255.
1356
1357 2011-05-02  Chris Demetriou  <cgd@google.com>
1358
1359         * config/i386/i386.c (get_pc_thunk_name): Make 32-bit
1360         thunk prefix be __x86.get_pc_thunk.
1361
1362 2011-05-01  David Li  <davidxl@google.com>
1363
1364         * l-ipo.c (clear_module_scope_bindings): Clear name binding for
1365         assembler name.
1366         (pop_module_scope): Clear name bindings for the last module.
1367         (lipo_cmp_type): Handle template arg type.
1368
1369 2011-04-30  Guozhi Wei  <carrot@google.com>
1370
1371         PR target/43129
1372         * hooks.c (hook_rtx_void_null): New function.
1373         * hooks.h (hook_rtx_void_null): New prototype.
1374         * target.def (got_access): New hook vector declaration.
1375         * tree-pass.h (pass_simplify_got): New pass.
1376         * timevar.def (TV_SIMPLIFY_GOT): New TV id.
1377         * simplify-got.c: New source file.
1378         * Makefile.in (simplify-got.o): Add a new file.
1379         * passes.c (init_optimization_passes): Add a new pass.
1380         * config/arm/arm.c (arm_output_addr_const_extra): Output GOT_PREL
1381         relocation.
1382         (arm_get_pic_reg): New function.
1383         (arm_clear_pic_reg): New function.
1384         (arm_can_simplify_got_access): New function.
1385         (arm_loaded_global_var): New function.
1386         (arm_load_global_address): New function.
1387         * config/arm/arm.md (UNSPEC_GOT_PREL_SYM): New UNSPEC symbol.
1388
1389 2011-04-29  Cary Coutant  <ccoutant@google.com>
1390
1391         * common.opt (generate_debug_line_table): New global var.
1392         (gmlt): New option
1393         * dwarf2out.c (GENERATE_MINIMUM_LINE_TABLE): New macro.
1394         (add_pubname_string): Test for -gmlt.
1395         (add_pubname): Likewise.
1396         (add_src_coords_attributes): Likewise.
1397         (decls_for_scope): Likewise.
1398         (dwarf2out_source_line): Likewise.
1399         (dwarf2out_finish): Likewise.
1400         * opts.c (finish_options): Force debug info to at least level 1
1401         if -gmlt specified.
1402         (common_handle_option): Add OPT_gmlt.
1403         (set_debug_level): Set generate_debug_line_table flag.
1404         * tree-ssa-live.c (remove_unused_scope_block_p): Test for -gmlt.
1405
1406         * doc/invoke.texi (-gmlt): New options
1407
1408 2011-04-29  Cary Coutant  <ccoutant@google.com>
1409
1410         * basic-block.h (struct basic_block_def): Remove discriminator field.
1411         * cfghooks.c (split_block): Remove discriminator field.
1412         * cfglayout.c (insn_discriminator): New function.
1413         * final.c (discriminator): Remove.
1414         (override_discriminator): New file-scope variable.
1415         (final_start_function): Remove tracking of discriminator by basic
1416         block.
1417         (final_scan_insn): Track discriminator by instruction.
1418         (notice_source_line): Check for discriminator override. Get
1419         discriminator from instruction.
1420         * gimple-pretty-print.c (dump_gimple_stmt): Print discriminator.
1421         (dump_bb_header): Don't print discriminator.
1422         * input.c: Include vecprim.h.
1423         (discriminator_location_locations): New variable.
1424         (discriminator_location_discriminators): New variable.
1425         (min_discriminator_location): New variable.
1426         (expand_location): Use map_discriminator_location.
1427         (location_with_discriminator): New function.
1428         (has_discriminator): New function.
1429         (map_discriminator_location): New function.
1430         (get_discriminator_from_locus): New function.
1431         * input.h (location_with_discriminator): New function.
1432         (has_discriminator): New function.
1433         (map_discriminator_location): New function.
1434         (get_discriminator_from_locus): New function.
1435         * print-rtl.c (print_rtx): Print discriminator.
1436         * rtl.h (insn_discriminator): New function.
1437         * tree-cfg.c: Include input.h.
1438         (assign_discriminator): Assign discriminators to instructions rather
1439         than to the basic block.
1440         * tree-pretty-print.c (dump_location): Print discriminator.
1441
1442 2011-04-28  Sharad Singhai  <singhai@google.com>
1443
1444         * params.def: Add new parameters to control peeling.
1445         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Use
1446         different peeling parameters when profile feedback is available.
1447         * loop-unroll.c (decide_peel_once_rolling): Ditto.
1448         (decide_peel_completely): Ditto.
1449         * doc/invoke.texi: Document new peeling parameters.
1450
1451 2011-04-28  Sharad Singhai  <singhai@google.com>
1452
1453         Google Ref 40087
1454
1455         * opts.c (common_handle_option): Disable -ftracer for profile use.
1456         * doc/invoke.texi: Update doc that -ftracer is no longer
1457         enabled for FDO.
1458
1459 2011-04-28  Xinliang David Li  <davidxl@google.com>
1460
1461         * final.c (profile_function): Use FUNC_LABEL_ID.
1462         * dwarf2out.c (dwarf2out_vms_end_prologue): Ditto.
1463         (dwarf2out_vms_begin_epilogue): Ditto.
1464         (dwarf2out_vms_debug_main_pointer): Ditto.
1465         * cgraphunit.c (cgraph_finalize_compilation_unit):
1466         Remove eq type alias set computation.
1467         * tree-profile.c (gimple_gen_ic_func_topn_profiler): Do not skip any functions.
1468         (tree_profiling): Add type alias merging.
1469         * l-ipo.c (restore_post_parsing_states): Use max funcdef_no.
1470         (pop_module_scope): Use max funcdef_no.
1471         * gcov-dump.c (tag_function): Fix a bug in function read.
1472
1473 2011-04-27  Xinliang David Li  <davidxl@google.com>
1474
1475         * value-prof.c (init_node_map): Disable for lipo mode.
1476         (del_node_map): Disable for lipo mode.
1477
1478 2011-04-27  Le-Chun Wu  <lcwu@google.com>
1479
1480         Google ref 42718.
1481
1482         * doc/extend.texi (Wnonnull): Add documentation for C++.
1483         * doc/invoke.texi (Wnonnull): Add documentation for C++.
1484
1485 2011-04-27  Le-Chun Wu  <lcwu@google.com>
1486
1487         * opts.c (common_handle_option): Do not enable Wshadow-local
1488         nor Wshadow-compatible-local if Wshadow is disabled.
1489
1490 2011-04-27  Le-Chun Wu  <lcwu@google.com>
1491
1492         Google ref 39127.
1493
1494         * c-decl.c (warn_if_shadowing): Use the warning code corresponding
1495         to the given -Wshadow- variant.
1496         * common.opt (Wshadow-local): New option.
1497         (Wshadow-compatible-local): New option.
1498         * invoke.texi: Document Wshadow-local and Wshadow-compatible-local.
1499         * opts.c (common_handle_option): Handle OPT_Wshadow and
1500         OPT_Wshadow_local.
1501
1502 2011-04-27  Silvius Rus  <silvius.rus@gmail.com>
1503
1504         Google ref 39984.
1505
1506         * doc/invoke.texi (fno-strict-enum-precision): Document.
1507         * gimplify.c (gimplify_switch_expr): If
1508         -fno-strict-enum-precision is given, do not consider enum
1509         types.
1510         * tree-vrp.c (stmt_interesting_for_vrp): If
1511         -fno-strict-enum-precision is given, do not look at enum
1512         types.
1513
1514 2011-04-26  Xinliang David Li  <davidxl@google.com>
1515
1516         * tree-ssa-uninit.c (warn_uninitialized_phi): Pass
1517          warning code.
1518         * opts.c (common_handle_option): Ditto.
1519         * common.opt:  New option.
1520         * tree-ssa.c (warn_uninit): Add one more parameter.
1521         (warn_uninitialized_var): Pass warning code.
1522         * tree-flow.h: Interface change.
1523
1524 2011-04-26  Xinliang David Li  <davidxl@google.com>
1525
1526         * toplev.c (process_options): Enable -Werror=coverage-mismatch
1527         by default when -Wno-error is not specified.
1528         * opts-global.c (decode_options): Remove call to
1529         control_warning_options.
1530
1531 2011-04-26  Xinliang David Li  <davidxl@google.com>
1532
1533         * cgraph.h: Remove pid.
1534         * cgraph.c: Remove pid.
1535         * value-prof.c (init_node_map): New function.
1536         (del_node_map): New function.
1537         (find_func_by_funcdef_no): New function.
1538         (gimple_ic_transform): Call new function.
1539         * cgraphunit.c (cgraph_finalize_function): Remove pid.
1540         * function.c (get_last_funcdef_no): New function.
1541         * function.h (get_last_funcdef_no): New function.
1542         * tree-profile.c (gimple_gen_ic_func_profiler): Pass funcdef_no
1543         to libgcov function.
1544         (tree-profiling): Call node map init and delete function.
1545
1546 2011-04-26  Le-Chun Wu  <lcwu@google.com>
1547
1548         * common.opt: New option.
1549         * doc/invoke.texi: Documentation for new options.
1550         * fold-const.c (operand_equal_p): Allow operands without typres to
1551         compare.
1552         (fold_unary_loc_1): Renamed from fold_unary_loc.
1553         (fold_unary_loc): New wrapper function.
1554         (fold_binary_loc_1): Renamed from fold_binary_loc.
1555         (fold_binary_loc): New wrapper function.
1556         (fold_ternary_loc_1): Renamed from fold_ternary_loc.
1557         (fold_ternary_loc): New wrapper function.
1558         * tree.h (struct tree_base): New flag for folded expr.
1559         (enum operand_equal_flag): New flags.
1560
1561 2011-04-25  David Li  <davidxl@google.com>
1562
1563         * cgraphbuild.c (rebuild_cgraph_edges): Create edges based
1564         using resolved nodes in LIPO mode after ipa_tree_profiling.
1565         * dyn-ipa.c:  New file.
1566         * dbgcnt.def: New debug counters.
1567         * cgraph.c (cgraph_mark_reachable_node): Handle aux module nodes.
1568         (cgraph_clone_node): New field initialization.
1569         (cgraph_create_virtual_clone): New field initialization.
1570         * value-prof.c (dump_histogram_value): New hist kind.
1571         (check_counter): New function.
1572         (gimple_value_profile_transformations): New ic kind.
1573         (gimple_ic_transform): Changed interface.
1574         (gimple_indirect_call_to_profile): New vpt kind.
1575         (gimple_find_values_to_profile): New vpt kind.
1576         * cgraphunit.c (cgraph_finalize_function): Handle LIPO mode.
1577         (verify_edge_count_and_frequency): Ditto.
1578         (verify_cgraph_node): Ditto.
1579         (cgraph_finalize_compilation_unit): Ditto.
1580         (cgraph_mark_functions_to_output): Ditto.
1581         (cgraph_expand_function): Ditto.
1582         (cgraph_output_in_order): Ditto.
1583         (cgraph_optimize): Ditto.
1584         (cgraph_copy_node_for_versioning): Ditto.
1585         (cgraph_materialize_clone): Ditto.
1586         (cgraph_redirect_edge_call_stmt_to_callee): Ditto.
1587         * gcov-io.c (gcov_read_summary): Ditto.
1588         * tree-ssa-alias.c (same_type_for_tbaa): Ditto.
1589         (refs_may_alias_p_1): Ditto.
1590         (walk_aliased_vdefs): Ditto.
1591         * ipa-inline.c (cgraph_mark_inline_edge): Ditto.
1592         (cgraph_recursive_inlining_p): Ditto.
1593         (cgraph_edge_badness): Ditto.
1594         (update_caller_keys): Ditto.
1595         (cgraph_decide_recursive_inlining): Ditto.
1596         (cgraph_decide_inlining_of_small_function): Ditto.
1597         (cgraph_decide_inlining): Ditto.
1598         (cgraph_decide_inlining_incrementally): Ditto.
1599         (estimate_function_body_sizes): Ditto.
1600         * dwarf2out.c (dwarf2out_do_cfi_startproc): Ditto.
1601         (dwarf2out_begin_prologue): Ditto.
1602         (dwarf2out_end_epilogue): Ditto.
1603         (dw_loc_list): Ditto.
1604         (gen_subprogram_die): Ditto.
1605         (dwarf2out_source_line): Ditto.
1606         * c-decl.c (bind): Ditto.
1607         (pop_scope): Ditto. Ditto.
1608         (push_file_scope): Ditto.
1609         (pop_file_scope): Ditto.
1610         (finish_decl): Ditto.
1611         (c_write_global_declarations): Ditto.
1612         * langhooks.c (lhd_do_nothing_f): Ditto.
1613         (lhd_do_nothing_t_t_return_null_tree): Ditto.
1614         (lhd_return_null_tree_v): Ditto.
1615         (lhd_builtin_function): Ditto.
1616         * function.c (pop_cfun): Ditto.
1617         (allocate_struct_function): Ditto.
1618         * profile.c (instrument_values): Ditto.
1619         (is_edge_inconsistent): Ditto.
1620         * ipa.c (process_references): Ditto.
1621         (cgraph_remove_unreachable_nodes): Ditto.
1622         (function_and_variable_visibility):
1623         * c-typeck.c (tagged_types_tu_compatible_p): Ditto.
1624         * gimplify.c (gimplify_addr_expr): Ditto.
1625         * except.c (sjlj_emit_function_enter): Ditto.
1626         (output_one_function_exception_table): Ditto.
1627         * coverage.c (get_gcov_type): Ditto.
1628         (htab_counts_entry_del): Ditto.
1629         (read_counts_file): Ditto.
1630         (get_coverage_counts): Ditto.
1631         (coverage_checksum_string): Ditto.
1632         (coverage_begin_output): Ditto.
1633         (coverage_end_function): Ditto.
1634         (build_fn_info_type): Ditto.
1635         (build_fn_info_value): Ditto.
1636         (build_ctr_info_value): Ditto.
1637         (build_gcov_info): Ditto.
1638         (create_coverage): Ditto.
1639         (coverage_finish): Ditto.
1640         * tree-sra.c (convert_callers): Ditto.
1641         (modify_function): Ditto.
1642         (ipa_early_sra): Ditto.
1643         * varasm.c (notice_global_symbol): Ditto.
1644         (assemble_external): Ditto.
1645         (mark_decl_referenced): Ditto.
1646         (find_decl_and_mark_needed): Ditto.
1647         (finish_aliases_1): Ditto.
1648         (assemble_alias): Ditto.
1649         * tree-ssa.c (useless_type_conversion_p): Ditto.
1650         * tree-inline.c (copy_bb): Ditto.
1651         (copy_edges_for_bb): Ditto.
1652         (initialize_cfun): Ditto.
1653         (copy_cfg_body): Ditto.
1654         (tree_inlinable_function_p): Ditto.
1655         (optimize_inline_calls): Ditto.
1656         (copy_tree_r): Ditto.
1657         * tree-profile.c (init_ic_make_global_vars): Ditto.
1658         (gimple_init_edge_profiler): Ditto.
1659         (gimple_gen_ic_profiler): Ditto.
1660         (gimple_gen_ic_func_profiler): Ditto.
1661         (tree_profiling): Ditto.
1662         * opts-global.c (lang_handle_option): Ditto.
1663         (add_input_filename): Ditto.
1664         (read_cmdline_options): Ditto.
1665         * l-ipo.c: Ditto.
1666         * libgcov.c (gcov_version): Ditto.
1667         (gcov_exit): Ditto.
1668         (__gcov_init): Ditto.
1669         (__gcov_flush): Ditto.
1670         (__gcov_merge_ior): Ditto.
1671         (__gcov_one_value_profiler_body): Ditto.
1672         (__gcov_indirect_call_profiler): Ditto.
1673         * l-ipo.h: Ditto.
1674         * tree-cfg.c: (verify_types_in_gimple_reference): Ditto.
1675         (verify_gimple_call): Ditto.
1676         (verify_gimple_assign_single): Ditto.
1677         (verify_gimple_return): Ditto.
1678         (gimple_verify_flow_info): Ditto.
1679         * passes.c: (rest_of_decl_compilation): Ditto.
1680         (init_optimization_passes): Ditto.
1681         (pass_init_dump_file): Ditto.
1682         * varpool.c (varpool_node): Ditto.
1683         (debug_varpool): Ditto.
1684         (varpool_node_for_asm): Ditto.
1685         (varpool_enqueue_needed_node): Ditto.
1686         * stmt.c (expand_asm_operands): Ditto.
1687         * gcov-dump.c (main): Ditto.
1688         (print_usage): Ditto.
1689         (print_prefix): Ditto.
1690         (dump_file): Ditto.
1691         (tag_summary): Ditto.
1692
1693 2011-04-19  Guozhi Wei  <carrot@google.com>
1694
1695         * config/arm/arm.c (SHORTEST_FAR_JUMP_LENGTH): New constant.
1696         (estimate_function_length): New function.
1697         (thumb_far_jump_used_p): No far jump is needed in short function.
1698
1699 2011-04-20  Easwaran Raman  <eraman@google.com>
1700
1701         * gcc.c (asm_options): Pass --save-temps to assembler.
1702
1703 2011-04-19  Martin Thuresson  <martint@google.com>
1704
1705         * libgcov.c (gcov_version): Do not access filename in struct
1706         generated from different version.
1707
1708 2011-04-19  Xinliang David Li  <davidxl@google.com>
1709
1710         * ipa-inline.c (cgraph_decide_recursive_inlining): Fix
1711         div by zero error with insane profile.
1712
1713 2011-04-17  Diego Novillo  <dnovillo@google.com>
1714
1715         Merge from google/integration rev 172609.
1716
1717 2011-04-11  Xinliang David Li  <davidxl@google.com>
1718
1719         * value-profile.c (check_ic_target): New function.
1720         (gimple_ic_transform): Sanity check indirect call target.
1721         * gimple-low.c (gimple_check_call_args): Interface change.
1722         (gimple_check_call_matching_types): New function.
1723         * tree-inline.c (tree_can_inline_p): Call new function.
1724
1725 2011-04-08  Xinliang David Li  <davidxl@google.com>
1726
1727         * ipa-cp.c (ipcp_update_profiling): Correct
1728          negative scale factor due to insane profile data.
1729
1730 2011-04-08  Xinliang David Li  <davidxl@google.com>
1731
1732         * final.c (dump_basic_block_info): New function.
1733         (final): Dump basic block.
1734         (final_scan_insn): Remove old dump.
1735
1736 2011-03-29  Le-Chun Wu  <lcwu@google.com>
1737
1738         Merge from branches/annotalysis at r171529.
1739
1740         Port annotalysis (lock annotations and analysis) from GCC-4.4.3 to
1741         GCC-4.6 tree.
1742
1743 2011-03-28  Martin Thuresson  <martint@google.com>
1744
1745         * doc/invoke.texi: Document support for relative profile paths.
1746         * libgcov.c (gcov_exit): Support relative profile paths.
1747
1748 2011-03-15  Diego Novillo  <dnovillo@google.com>
1749
1750         Merge from google/integration rev 170988 (gcc-4_6-branch).
1751
1752 2011-03-14  Diego Novillo  <dnovillo@google.com>
1753
1754         Merge from google/integration rev 170957.
1755
1756 2011-02-26  Diego Novillo  <dnovillo@google.com>
1757
1758         Merge from google/integration rev 170499.
1759
1760 2011-02-07  Diego Novillo  <dnovillo@google.com>
1761
1762         Merge from google/integration.
1763
1764 2011-02-04  Diego Novillo  <dnovillo@google.com>
1765
1766         Merge from google/integration.
1767
1768         * BASE-VER: Fix.
1769 \f
1770 Copyright (C) 2011 Free Software Foundation, Inc.
1771
1772 Copying and distribution of this file, with or without modification,
1773 are permitted in any medium without royalty provided the copyright
1774 notice and this notice are preserved.