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From: "ford at vss dot fsi dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug optimization/14776] New: -mfpmath=sse causes movapd from non-16-byte aligned address
Date: Mon, 29 Mar 2004 20:01:00 -0000	[thread overview]
Message-ID: <20040329200139.14776.ford@vss.fsi.com> (raw)

gcc -g -O2 -march=pentium4 -mfpmath=sse -c movapd_align_bug.c

objdump -dS movapd_align_bug.o:

        xfp->m[0].x = -sin_lon;
  42:   f2 0f 10 05 00 00 00    movsd  0x0,%xmm0
  49:   00 
  4a:   f2 0f 10 4d b0          movsd  0xffffffb0(%ebp),%xmm1
  4f:   66 0f 29 45 88          movapd %xmm0,0xffffff88(%ebp) <- ILLEGAL
  54:   66 0f 57 c8             xorpd  %xmm0,%xmm1
        xfp->m[1].x =  cos_lon;
        xfp->m[2].x = 0.0;

-- 
           Summary: -mfpmath=sse causes movapd from non-16-byte aligned
                    address
           Product: gcc
           Version: 3.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ford at vss dot fsi dot com
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-cygwin
  GCC host triplet: i686-pc-cygwin
GCC target triplet: i686-pc-cygwin


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14776


             reply	other threads:[~2004-03-29 20:01 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-03-29 20:01 ford at vss dot fsi dot com [this message]
2004-03-29 20:03 ` [Bug optimization/14776] " ford at vss dot fsi dot com
2004-03-29 20:03 ` ford at vss dot fsi dot com
2004-03-29 20:05 ` ford at vss dot fsi dot com
2004-03-29 20:05 ` ford at vss dot fsi dot com
2004-03-29 23:07 ` [Bug target/14776] " pinskia at gcc dot gnu dot org
2004-03-29 23:32 ` ford at vss dot fsi dot com
2004-03-29 23:39 ` pinskia at gcc dot gnu dot org
2004-03-29 23:43 ` ford at vss dot fsi dot com
2004-03-29 23:55 ` pinskia at gcc dot gnu dot org
2004-03-29 23:59 ` ford at vss dot fsi dot com
2004-03-30 14:51 ` hubicka at ucw dot cz
2004-03-30 14:51 ` [Bug optimization/14776] New: " Jan Hubicka
2004-07-06 12:16 ` [Bug target/14776] " ps dot report at gmx dot net
2004-09-22 17:37 ` ford at vss dot fsi dot com
2004-10-11 12:03 ` pinskia at gcc dot gnu dot org
2004-10-11 12:09 ` Frank dot Otto at tc dot pci dot uni-heidelberg dot de
2004-12-13 20:19 ` bangerth at dealii dot org
2004-12-13 20:21 ` bangerth at dealii dot org
2004-12-13 21:10 ` bangerth at dealii dot org
2004-12-14  0:37 ` rth at gcc dot gnu dot org
2004-12-14  3:56 ` bangerth at dealii dot org

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