Hi.
As mention in [1], enabling -fprofile-update=atomic when -pthread is logical
thing and is quite expected default behavior.
Ready for trunk?
[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58306#c21
>From 7135fcf5f7b8f2f3c55a6e80048660c1beea5052 Mon Sep 17 00:00:00 2001
From: marxin <mli...@suse.cz>
Date: Tue, 9 Aug 2016 13:19:26 +0200
Subject: [PATCH] Set -fprofile-update=atomic when -pthread is present
gcc/ChangeLog:
2016-08-09 Martin Liska <mli...@suse.cz>
* gcc.c: Add -fprofile-update=atomic when
-pthread is present.
---
gcc/gcc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gcc/gcc.c b/gcc/gcc.c
index 7460f6a..2f42619 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -1141,7 +1141,8 @@ static const char *cc1_options =
%{-help=*:--help=%*}\
%{!fsyntax-only:%{S:%W{o*}%{!o*:-o %b.s}}}\
%{fsyntax-only:-o %j} %{-param*}\
- %{coverage:-fprofile-arcs -ftest-coverage}";
+ %{coverage:-fprofile-arcs -ftest-coverage}\
+ %{pthread:-fprofile-update=atomic}";
static const char *asm_options =
"%{-target-help:%:print-asm-header()} "
--
2.9.2
