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re PR target/53759 (gcc -mavx emits vshufps for __builtin_ia32_loadlps) 

PR target/53759
	* config/i386/sse.md (sse_loadlps): Use x m x constraints instead
	of x x x in the vmovlps load alternative.

	* gcc.target/i386/pr53759.c: New test.

From-SVN: r188938
This commit is contained in:
Jakub Jelinek 2012-06-25 16:56:17 +02:00 committed by Jakub Jelinek
parent 2277d6b327
commit bbd6a32677
4 changed files with 27 additions and 1 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2012-06-25 Jakub Jelinek <jakub@redhat.com>
PR target/53759
* config/i386/sse.md (sse_loadlps): Use x m x constraints instead
of x x x in the vmovlps load alternative.
2012-06-22 Richard Guenther <rguenther@suse.de>
* gcov-iov.c: Include bconfig.h and system.h.

2
gcc/config/i386/sse.md
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@ -3744,7 +3744,7 @@
(define_insn "sse_loadlps"
[(set (match_operand:V4SF 0 "nonimmediate_operand" "=x,x,x,x,m")
(vec_concat:V4SF
(match_operand:V2SF 2 "nonimmediate_operand" " 0,x,m,x,x")
(match_operand:V2SF 2 "nonimmediate_operand" " 0,x,m,m,x")
(vec_select:V2SF
(match_operand:V4SF 1 "nonimmediate_operand" " x,x,0,x,0")
(parallel [(const_int 2) (const_int 3)]))))]

3
gcc/testsuite/ChangeLog
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@ -1,5 +1,8 @@
2012-06-25 Jakub Jelinek <jakub@redhat.com>
PR target/53759
* gcc.target/i386/pr53759.c: New test.
PR c++/53594
* g++.dg/cpp0x/nsdmi7.C: New test.

17
gcc/testsuite/gcc.target/i386/pr53759.c Normal file
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@ -0,0 +1,17 @@
/* PR target/53759 */
/* { dg-do compile } */
/* { dg-options "-O2 -mavx" } */
/* { dg-require-effective-target avx } */
#include <xmmintrin.h>
void
foo (__m128 *x, __m64 *y)
{
__m128 a = _mm_setzero_ps ();
__m128 b = _mm_loadl_pi (a, y);
*x = _mm_add_ps (b, b);
}
/* { dg-final { scan-assembler "vmovlps\[ \\t\]" } } */
/* { dg-final { scan-assembler-not "vshufps\[ \\t\]" } } */