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[Bug target/42881] [4.5 Regression] SSE2 intrinsics miscompiled at -O0 -march=k8
- From: "matz at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 28 Jan 2010 14:12:00 -0000
- Subject: [Bug target/42881] [4.5 Regression] SSE2 intrinsics miscompiled at -O0 -march=k8
- References: <bug-42881-16957@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from matz at gcc dot gnu dot org 2010-01-28 14:12 -------
Subject: Bug 42881
Author: matz
Date: Thu Jan 28 14:11:34 2010
New Revision: 156320
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=156320
Log:
PR target/42881
* config/i386/i386.c (ix86_expand_vector_init_duplicate):
Wrap force_reg into a sequence, emit it before user.
testsuite/
* gcc.target/i386/pr42881.c: New test.
Added:
trunk/gcc/testsuite/gcc.target/i386/pr42881.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/i386/i386.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42881