[Bug target/38254] [4.4 Regression] Revision 142160 causes PR27908 -O3

[uros 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


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38254