Viewing file:  fma-fmsubaddXX.c (1.15 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-require-effective-target fma } */
/* { dg-options "-O2 -mfma" } */
#include "fma-check.h"
#include <x86intrin.h>
#include "m256-check.h"
void
check_mm_fmsubadd_ps (__m128 __A, __m128 __B, __m128 __C)
{
union128 a, b, c, e;
a.x = __A;
b.x = __B;
c.x = __C;
float d[4];
int i;
e.x = _mm_fmsubadd_ps (__A, __B, __C);
for (i = 0; i < 4; i++)
{
d[i] = a.a[i] * b.a[i] + (i % 2 == 1 ? -c.a[i] : c.a[i]);
}
if (check_union128 (e, d))
abort ();
}
void
check_mm_fmsubadd_pd (__m128d __A, __m128d __B, __m128d __C)
{
union128d a, b, c, e;
a.x = __A;
b.x = __B;
c.x = __C;
double d[2];
int i;
e.x = _mm_fmsubadd_pd (__A, __B, __C);
for (i = 0; i < 2; i++)
{
d[i] = a.a[i] * b.a[i] + (i % 2 == 1 ? -c.a[i] : c.a[i]);
}
if (check_union128d (e, d))
abort ();
}
static void
fma_test (void)
{
union128 a[3];
union128d b[3];
int i, j;
for (i = 0; i < 3; i++)
{
for (j = 0; j < 4; j++)
a[i].a[j] = i * j + 3.5;
for (j = 0; j < 2; j++)
b[i].a[j] = i * j + 3.5;
}
check_mm_fmsubadd_pd (b[0].x, b[1].x, b[2].x);
check_mm_fmsubadd_ps (a[0].x, a[1].x, a[2].x);
}
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