Viewing file:  sse4_1-blendpd.c (1.5 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-require-effective-target sse4 } */
/* { dg-options "-O2 -msse4.1" } */
#ifndef CHECK_H
#define CHECK_H "sse4_1-check.h"
#endif
#ifndef TEST
#define TEST sse4_1_test
#endif
#include CHECK_H
#include <smmintrin.h>
#include <string.h>
#define NUM 20
#ifndef MASK
#define MASK 0x03
#endif
static void
init_blendpd (double *src1, double *src2)
{
int i, sign = 1;
for (i = 0; i < NUM * 2; i++)
{
src1[i] = i * i * sign;
src2[i] = (i + 20) * sign;
sign = -sign;
}
}
static int
check_blendpd (__m128d *dst, double *src1, double *src2)
{
double tmp[2];
int j;
memcpy (&tmp[0], src1, sizeof (tmp));
for(j = 0; j < 2; j++)
if ((MASK & (1 << j)))
tmp[j] = src2[j];
return memcmp (dst, &tmp[0], sizeof (tmp));
}
static void
TEST (void)
{
__m128d x, y;
union
{
__m128d x[NUM];
double d[NUM * 2];
} dst, src1, src2;
union
{
__m128d x;
double d[2];
} src3;
int i;
init_blendpd (src1.d, src2.d);
/* Check blendpd imm8, m128, xmm */
for (i = 0; i < NUM; i++)
{
dst.x[i] = _mm_blend_pd (src1.x[i], src2.x[i], MASK);
if (check_blendpd (&dst.x[i], &src1.d[i * 2], &src2.d[i * 2]))
abort ();
}
/* Check blendpd imm8, xmm, xmm */
src3.x = _mm_setzero_pd ();
x = _mm_blend_pd (dst.x[2], src3.x, MASK);
y = _mm_blend_pd (src3.x, dst.x[2], MASK);
if (check_blendpd (&x, &dst.d[4], &src3.d[0]))
abort ();
if (check_blendpd (&y, &src3.d[0], &dst.d[4]))
abort ();
}
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