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sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use v constraint instead of x.

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* config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
	v constraint instead of x.

	* gcc.target/i386/avx512f-vfmadd-1.c: New test.

From-SVN: r235921
This commit is contained in:
Jakub Jelinek 2016-05-05 15:29:54 +02:00 committed by Jakub Jelinek
parent 351f85c5be
commit 568bac8c8a
4 changed files with 36 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2016-05-05 Jakub Jelinek <jakub@redhat.com>
* config/i386/sse.md (<avx512>_fmadd_<mode>_mask3<round_name>): Use
v constraint instead of x.
2016-05-05 Alan Modra <amodra@gmail.com>
PR target/68662

4
gcc/config/i386/sse.md
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@ -3327,10 +3327,10 @@
(set_attr "mode" "<MODE>")])
(define_insn "<avx512>_fmadd_<mode>_mask3<round_name>"
[(set (match_operand:VF_AVX512VL 0 "register_operand" "=x")
[(set (match_operand:VF_AVX512VL 0 "register_operand" "=v")
(vec_merge:VF_AVX512VL
(fma:VF_AVX512VL
(match_operand:VF_AVX512VL 1 "register_operand" "x")
(match_operand:VF_AVX512VL 1 "register_operand" "v")
(match_operand:VF_AVX512VL 2 "nonimmediate_operand" "<round_constraint>")
(match_operand:VF_AVX512VL 3 "register_operand" "0"))
(match_dup 3)

2
gcc/testsuite/ChangeLog
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@ -1,5 +1,7 @@
2016-05-05 Jakub Jelinek <jakub@redhat.com>
* gcc.target/i386/avx512f-vfmadd-1.c: New test.
* c-c++-common/Wdangling-else-4.c: New test.
2016-05-04 Jakub Jelinek <jakub@redhat.com>

27
gcc/testsuite/gcc.target/i386/avx512f-vfmadd-1.c Normal file
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@ -0,0 +1,27 @@
/* { dg-do compile { target { ! ia32 } } } */
/* { dg-options "-O2 -mavx512f" } */
#include <x86intrin.h>
void
f1 (__m512d x, __m512d y, __m512d z, __mmask8 m)
{
register __m512d a __asm ("xmm16"), b __asm ("xmm17"), c __asm ("xmm18");
a = x; b = y; c = z;
asm volatile ("" : "+v" (a), "+v" (b), "+v" (c));
a = _mm512_mask3_fmadd_round_pd (c, b, a, m, _MM_FROUND_TO_NEG_INF | _MM_FROUND_NO_EXC);
asm volatile ("" : "+v" (a));
}
void
f2 (__m512 x, __m512 y, __m512 z, __mmask8 m)
{
register __m512 a __asm ("xmm16"), b __asm ("xmm17"), c __asm ("xmm18");
a = x; b = y; c = z;
asm volatile ("" : "+v" (a), "+v" (b), "+v" (c));
a = _mm512_mask3_fmadd_round_ps (c, b, a, m, _MM_FROUND_TO_NEG_INF | _MM_FROUND_NO_EXC);
asm volatile ("" : "+v" (a));
}
/* { dg-final { scan-assembler "vfmadd231pd\[^\n\r\]*zmm16" } } */
/* { dg-final { scan-assembler "vfmadd231ps\[^\n\r\]*zmm16" } } */