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[Bug target/38254] [4.4 Regression] Revision 142160 causes PR27908 -O3
- From: "uros at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 1 Dec 2008 12:29:18 -0000
- Subject: [Bug target/38254] [4.4 Regression] Revision 142160 causes PR27908 -O3
- References: <bug-38254-682@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #4 from uros at gcc dot gnu dot org 2008-12-01 12:29 -------
Subject: Bug 38254
Author: uros
Date: Mon Dec 1 12:28:05 2008
New Revision: 142310
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=142310
Log:
Backport from mainline:
2008-11-25 Uros Bizjak <ubizjak@gmail.com>
PR target/38254
* config/i386/sync.md (memory_barrier_nosse): New insn pattern.
(memory_barrier): Generate memory_barrier_nosse insn for
!(TARGET_64BIT || TARGET_SSE2).
* config/i386/sse.md (*sse2_mfence): Also enable for TARGET_64BIT.
Modified:
branches/gcc-4_3-branch/gcc/ChangeLog
branches/gcc-4_3-branch/gcc/config/i386/sse.md
branches/gcc-4_3-branch/gcc/config/i386/sync.md
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38254