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authormarxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4>2016-11-14 12:09:48 +0000
committermarxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4>2016-11-14 12:09:48 +0000
commit3af33bcf7eb25716fd4a1e37682eabd858aff5bd (patch)
treeddc0a002eeabbf51f86b3f439e6a98477e64cc67 /gcc/common.opt
parent27ab9d29c87a8ba3d55c0d32b7fad0dc2efb117a (diff)
downloadgcc-3af33bcf7eb25716fd4a1e37682eabd858aff5bd.tar.gz
Introduce -fprofile-update=prefer-atomic
PR bootstrap/78069 * common.opt: Add prefer-atomic as a new enum value for -fprofile-update. * coretypes.h: Likewise. * doc/invoke.texi: Document the new option value. * gcc.c: Replace atomic with prefer-atomic. Remove warning. * tree-profile.c (tree_profiling): Select default value of -fprofile-update when 'prefer-atomic' is selected. PR bootstrap/78069 * gcc.dg/no_profile_instrument_function-attr-1.c: Update test to match scanned pattern. * gcc.dg/tree-ssa/ssa-lim-11.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@242386 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/common.opt')
-rw-r--r--gcc/common.opt5
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/common.opt b/gcc/common.opt
index 314145a09d3..5e8d72d6ae6 100644
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -1959,7 +1959,7 @@ 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.
+-fprofile-update=[single|atomic|prefer-atomic] Set the profile update method.
Enum
Name(profile_update) Type(enum profile_update) UnknownError(unknown profile update method %qs)
@@ -1970,6 +1970,9 @@ Enum(profile_update) String(single) Value(PROFILE_UPDATE_SINGLE)
EnumValue
Enum(profile_update) String(atomic) Value(PROFILE_UPDATE_ATOMIC)
+EnumValue
+Enum(profile_update) String(prefer-atomic) Value(PROFILE_UPDATE_PREFER_ATOMIC)
+
fprofile-generate
Common
Enable common options for generating profile info for profile feedback directed optimizations.