Viewing file:  sse4_1-mpsadbw.c (2.54 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 msk0 0xC0
#define msk1 0x01
#define msk2 0xF2
#define msk3 0x03
#define msk4 0x84
#define msk5 0x05
#define msk6 0xE6
#define msk7 0x67
static __m128i
compute_mpsadbw (unsigned char *v1, unsigned char *v2, int mask)
{
union
{
__m128i x;
unsigned short s[8];
} ret;
unsigned char s[4];
int i, j;
int offs1, offs2;
offs2 = 4 * (mask & 3);
for (i = 0; i < 4; i++)
s[i] = v2[offs2 + i];
offs1 = 4 * ((mask & 4) >> 2);
for (j = 0; j < 8; j++)
{
ret.s[j] = 0;
for (i = 0; i < 4; i++)
ret.s[j] += abs (v1[offs1 + j + i] - s[i]);
}
return ret.x;
}
static void
TEST (void)
{
union
{
__m128i x;
unsigned int i[4];
unsigned char c[16];
} val1, val2, val3 [8];
__m128i res[8], tmp;
unsigned char masks[8];
int i;
val1.i[0] = 0x35251505;
val1.i[1] = 0x75655545;
val1.i[2] = 0xB5A59585;
val1.i[3] = 0xF5E5D5C5;
val2.i[0] = 0x31211101;
val2.i[1] = 0x71615141;
val2.i[2] = 0xB1A19181;
val2.i[3] = 0xF1E1D1C1;
for (i=0; i < 8; i++)
switch (i % 3)
{
case 1:
val3[i].i[0] = 0xF1E1D1C1;
val3[i].i[1] = 0xB1A19181;
val3[i].i[2] = 0x71615141;
val3[i].i[3] = 0x31211101;
break;
default:
val3[i].x = val2.x;
break;
}
/* Check mpsadbw imm8, xmm, xmm. */
res[0] = _mm_mpsadbw_epu8 (val1.x, val2.x, msk0);
res[1] = _mm_mpsadbw_epu8 (val1.x, val2.x, msk1);
res[2] = _mm_mpsadbw_epu8 (val1.x, val2.x, msk2);
res[3] = _mm_mpsadbw_epu8 (val1.x, val2.x, msk3);
res[4] = _mm_mpsadbw_epu8 (val1.x, val2.x, msk4);
res[5] = _mm_mpsadbw_epu8 (val1.x, val2.x, msk5);
res[6] = _mm_mpsadbw_epu8 (val1.x, val2.x, msk6);
res[7] = _mm_mpsadbw_epu8 (val1.x, val2.x, msk7);
masks[0] = msk0;
masks[1] = msk1;
masks[2] = msk2;
masks[3] = msk3;
masks[4] = msk4;
masks[5] = msk5;
masks[6] = msk6;
masks[7] = msk7;
for (i=0; i < 8; i++)
{
tmp = compute_mpsadbw (val1.c, val2.c, masks[i]);
if (memcmp (&tmp, &res[i], sizeof (tmp)))
abort ();
}
/* Check mpsadbw imm8, m128, xmm. */
for (i=0; i < 8; i++)
{
res[i] = _mm_mpsadbw_epu8 (val1.x, val3[i].x, msk4);
masks[i] = msk4;
}
for (i=0; i < 8; i++)
{
tmp = compute_mpsadbw (val1.c, val3[i].c, masks[i]);
if (memcmp (&tmp, &res[i], sizeof (tmp)))
abort ();
}
}
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