Viewing file:  sse4_1-blendvps.c (1.17 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-require-effective-target sse4 } */
/* { dg-options "-O2 -msse4.1" } */
#include "sse4_1-check.h"
#include <smmintrin.h>
#include <string.h>
#define NUM 20
static void
init_blendvps (float *src1, float *src2, float *mask)
{
int i, msk, sign = 1;
msk = -1;
for (i = 0; i < NUM * 4; i++)
{
if((i % 4) == 0)
msk++;
src1[i] = i* (i + 1) * sign;
src2[i] = (i + 20) * sign;
mask[i] = (i + 120) * i;
if( (msk & (1 << (i % 4))))
mask[i] = -mask[i];
sign = -sign;
}
}
static int
check_blendvps (__m128 *dst, float *src1, float *src2,
float *mask)
{
float tmp[4];
int j;
memcpy (&tmp[0], src1, sizeof (tmp));
for (j = 0; j < 4; j++)
if (mask [j] < 0.0)
tmp[j] = src2[j];
return memcmp (dst, &tmp[0], sizeof (tmp));
}
static void
sse4_1_test (void)
{
union
{
__m128 x[NUM];
float f[NUM * 4];
} dst, src1, src2, mask;
int i;
init_blendvps (src1.f, src2.f, mask.f);
for (i = 0; i < NUM; i++)
{
dst.x[i] = _mm_blendv_ps (src1.x[i], src2.x[i], mask.x[i]);
if (check_blendvps (&dst.x[i], &src1.f[i * 4], &src2.f[i * 4],
&mask.f[i * 4]))
abort ();
}
}
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