Viewing file:  fma-256-fmsubaddXX.c (1.17 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_mm256_fmsubadd_ps (__m256 __A, __m256 __B, __m256 __C)
{
union256 a, b, c, e;
a.x = __A;
b.x = __B;
c.x = __C;
float d[8];
int i;
e.x = _mm256_fmsubadd_ps (__A, __B, __C);
for (i = 0; i < 8; i++)
{
d[i] = a.a[i] * b.a[i] + (i % 2 == 1 ? -c.a[i] : c.a[i]);
}
if (check_union256 (e, d))
abort ();
}
void
check_mm256_fmsubadd_pd (__m256d __A, __m256d __B, __m256d __C)
{
union256d a, b, c, e;
a.x = __A;
b.x = __B;
c.x = __C;
double d[4];
int i;
e.x = _mm256_fmsubadd_pd (__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_union256d (e, d))
abort ();
}
static void
fma_test (void)
{
union256 c[3];
union256d d[3];
int i, j;
for (i = 0; i < 3; i++)
{
for (j = 0; j < 8; j++)
c[i].a[j] = i * j + 3.5;
for (j = 0; j < 4; j++)
d[i].a[j] = i * j + 3.5;
}
check_mm256_fmsubadd_pd (d[0].x, d[1].x, d[2].x);
check_mm256_fmsubadd_ps (c[0].x, c[1].x, c[2].x);
}
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