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| author | Martin Liska <mliska@suse.cz> | 2016-08-10 15:11:42 +0200 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2016-08-10 13:11:42 +0000 |
| commit | 22063dbc90d0eb8a7cc7939e0941899f90b403db (patch) | |
| tree | bca16f60942cfafd651fca3cbf08a464365e76b9 /gcc/common.opt | |
| parent | 5a39e998c8a89b26a74b9fb0b5bc17fa8b55d274 (diff) | |
| download | gcc-22063dbc90d0eb8a7cc7939e0941899f90b403db.zip gcc-22063dbc90d0eb8a7cc7939e0941899f90b403db.tar.gz gcc-22063dbc90d0eb8a7cc7939e0941899f90b403db.tar.bz2 | |
Cherry-pick fprofile-generate-atomic from google/gcc-4_9
Cherry picked (and modified) from google-4_7 branch
2012-12-26 Rong Xu <xur@google.com>
* common.opt (fprofile-update): Add new flag.
* coretypes.h: Define enum profile_update.
* doc/invoke.texi: Document -fprofile-update.
* gcov-io.h: Declare GCOV_TYPE_ATOMIC_FETCH_ADD and
GCOV_TYPE_ATOMIC_FETCH_ADD_FN.
* tree-profile.c (gimple_init_edge_profiler): Generate
also atomic profiler update.
(gimple_gen_edge_profiler): Likewise.
* g++.dg/gcov/gcov-threads-1.C: New test.
From-SVN: r239323
Diffstat (limited to 'gcc/common.opt')
| -rw-r--r-- | gcc/common.opt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/common.opt b/gcc/common.opt index 8a292ed..44adae8 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -1916,6 +1916,19 @@ fprofile-correction Common Report Var(flag_profile_correction) Enable correction of flow inconsistent profile data input. +fprofile-update= +Common Joined RejectNegative Enum(profile_update) Var(flag_profile_update) Init(PROFILE_UPDATE_SINGLE) +-fprofile-update=[single|atomic] Set the profile update method. + +Enum +Name(profile_update) Type(enum profile_update) UnknownError(unknown profile update method %qs) + +EnumValue +Enum(profile_update) String(single) Value(PROFILE_UPDATE_SINGLE) + +EnumValue +Enum(profile_update) String(atomic) Value(PROFILE_UPDATE_ATOMIC) + fprofile-generate Common Enable common options for generating profile info for profile feedback directed optimizations. |