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[Bug target/54087] __atomic_fetch_add does not use xadd instruction
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 24 Jul 2012 19:22:00 +0000
- Subject: [Bug target/54087] __atomic_fetch_add does not use xadd instruction
- Auto-submitted: auto-generated
- References: <bug-54087-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54087
--- Comment #2 from Uros Bizjak <ubizjak at gmail dot com> 2012-07-24 19:22:00 UTC ---
(In reply to comment #1)
> Use __atomic_add_fetch and __atomic_fetch_sub in the testcase, and you will
Eh, __atomic_fetch_add.