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[Bug target/48986] Missed optimization in atomic decrement on x86/x64
- 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: Mon, 16 May 2011 12:59:49 +0000
- Subject: [Bug target/48986] Missed optimization in atomic decrement on x86/x64
- Auto-submitted: auto-generated
- References: <bug-48986-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48986
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-05-16 12:50:59 UTC ---
Created attachment 24252
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24252
gcc47-pr48986.patch
Untested patch using peephole2.