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[Bug target/42869] GOMP_critical_start wrong on Itanium due to __sync miscompilation
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 9 Mar 2010 23:33:17 -0000
- Subject: [Bug target/42869] GOMP_critical_start wrong on Itanium due to __sync miscompilation
- References: <bug-42869-6957@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from jakub at gcc dot gnu dot org 2010-03-09 23:33 -------
__sync_bool_compare_and_swap is documented to be a full barrier, so I think the
bug must be on the ia64/sync.md side.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42869