Viewing file:  sse4_1-dppd-1.c (1.25 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>
#define lmskN 0x00
#define lmsk0 0x01
#define lmsk1 0x02
#define lmsk01 0x03
#define hmskA 0x30
#define hmsk0 0x10
#define hmsk1 0x20
#define hmsk01 0x30
#define hmskN 0x00
#ifndef HIMASK
#define HIMASK hmskA
#endif
static void
TEST (void)
{
union
{
__m128d x;
double d[2];
} val1, val2, res[4];
int masks[4];
int i, j;
val1.d[0] = 2.;
val1.d[1] = 3.;
val2.d[0] = 10.;
val2.d[1] = 100.;
res[0].x = _mm_dp_pd (val1.x, val2.x, HIMASK | lmskN);
res[1].x = _mm_dp_pd (val1.x, val2.x, HIMASK | lmsk0);
res[2].x = _mm_dp_pd (val1.x, val2.x, HIMASK | lmsk1);
res[3].x = _mm_dp_pd (val1.x, val2.x, HIMASK | lmsk01);
masks[0] = HIMASK | lmskN;
masks[1] = HIMASK | lmsk0;
masks[2] = HIMASK | lmsk1;
masks[3] = HIMASK | lmsk01;
for (i = 0; i < 4; i++)
{
double tmp = 0.;
for (j = 0; j < 2; j++)
if (HIMASK & (0x10 << j))
tmp = tmp + (val1.d[j] * val2.d[j]);
for (j = 0; j < 2; j++)
if ((masks[i] & (1 << j)) && res[i].d[j] != tmp)
abort ();
}
}
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