diff options
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index 572d4c094c1..4170afde8e8 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -364,6 +364,11 @@ int profile_flag = 0; int profile_arc_flag = 0; +/* Nonzero if we should not attempt to generate thread-safe + code to profile program flow graph arcs. */ + +int flag_unsafe_profile_arcs = 0; + /* Nonzero if generating info for gcov to calculate line test coverage. */ int flag_test_coverage = 0; @@ -1061,6 +1066,8 @@ static const lang_independent_options f_options[] = N_("Support synchronous non-call exceptions") }, {"profile-arcs", &profile_arc_flag, 1, N_("Insert arc based program profiling code") }, + {"unsafe-profile-arcs", &flag_unsafe_profile_arcs, 1, + N_("Avoid thread safety profiling overhead") }, {"test-coverage", &flag_test_coverage, 1, N_("Create data files needed by gcov") }, {"branch-probabilities", &flag_branch_probabilities, 1, @@ -2891,14 +2898,13 @@ rest_of_compilation (decl) close_dump_file (DFI_cfg, print_rtl_with_bb, insns); /* Do branch profiling and static profile estimation passes. */ - if (optimize > 0 || profile_arc_flag || flag_test_coverage - || flag_branch_probabilities) + if (optimize > 0 || cfun->arc_profile || flag_branch_probabilities) { struct loops loops; timevar_push (TV_BRANCH_PROB); open_dump_file (DFI_bp, decl); - if (profile_arc_flag || flag_test_coverage || flag_branch_probabilities) + if (cfun->arc_profile || flag_branch_probabilities) branch_prob (); /* Discover and record the loop depth at the head of each basic |