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[Bug libgcj/51500] [4.7 regression] 106 unexpected libjava testsuite failures with mingw32
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 30 Jan 2012 16:39:04 +0000
- Subject: [Bug libgcj/51500] [4.7 regression] 106 unexpected libjava testsuite failures with mingw32
- Auto-submitted: auto-generated
- References: <bug-51500-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51500
--- Comment #12 from Uros Bizjak <ubizjak at gmail dot com> 2012-01-30 16:39:04 UTC ---
(In reply to comment #11)
> + *(unsigned int*) &__tramp[24] = 0x8304244c; /* xchgl 4(%esp),%ecx*/ \
Don't use this insn, it implies lock prefix and costs hundreds of cycles.