Viewing file:  sse4_1-pblendvb.c (1.29 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
static void
init_pblendvb (unsigned char *src1, unsigned char *src2,
unsigned char *mask)
{
int i, sign = 1;
for (i = 0; i < NUM * 16; i++)
{
src1[i] = i* i * sign;
src2[i] = (i + 20) * sign;
mask[i] = (i % 3) + ((i * (14 + sign))
^ (src1[i] | src2[i] | (i*3)));
sign = -sign;
}
}
static int
check_pblendvb (__m128i *dst, unsigned char *src1,
unsigned char *src2, unsigned char *mask)
{
unsigned char tmp[16];
int j;
memcpy (&tmp[0], src1, sizeof (tmp));
for (j = 0; j < 16; j++)
if (mask [j] & 0x80)
tmp[j] = src2[j];
return memcmp (dst, &tmp[0], sizeof (tmp));
}
static void
TEST (void)
{
union
{
__m128i x[NUM];
unsigned char c[NUM * 16];
} dst, src1, src2, mask;
int i;
init_pblendvb (src1.c, src2.c, mask.c);
for (i = 0; i < NUM; i++)
{
dst.x[i] = _mm_blendv_epi8 (src1.x[i], src2.x[i], mask.x[i]);
if (check_pblendvb (&dst.x[i], &src1.c[i * 16], &src2.c[i * 16],
&mask.c[i * 16]))
abort ();
}
}
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