This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug libstdc++/51798] [4.7 regression] libstdc++ atomicity performance regression due to __sync_fetch_and_add
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 27 Jan 2012 11:17:35 +0000
- Subject: [Bug libstdc++/51798] [4.7 regression] libstdc++ atomicity performance regression due to __sync_fetch_and_add
- Auto-submitted: auto-generated
- References: <bug-51798-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51798
--- Comment #18 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-01-27 11:17:35 UTC ---
Created attachment 26480
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=26480
gcc47-pr51798.patch
This is one of the few remaining P1s, so in order to speed this up, is this
patch what we are considering now? If yes, I'll go ahead and test it on
i?86/x86_64/ppc/ppc64/s390/s390x.