Viewing file:  avx-vshufps-256-1.c (1.03 KB) -rw-r--r--
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/* { dg-do run } */
/* { dg-require-effective-target avx } */
/* { dg-options "-O2 -mavx" } */
#include "avx-check.h"
#ifndef MASK
#define MASK 203
#endif
float select4(const float *src, unsigned int control)
{
switch(control) {
case 0:
return src[0];
case 1:
return src[1];
case 2:
return src[2];
case 3:
return src[3];
}
return -1;
}
void static
avx_test (void)
{
union256 u, s1, s2;
float e [8];
s1.x = _mm256_set_ps (1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8);
s2.x = _mm256_set_ps (2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8);
u.x = _mm256_shuffle_ps (s1.x, s2.x, MASK);
e[0] = select4(s1.a, (MASK >> 0) & 0x3);
e[1] = select4(s1.a, (MASK >> 2) & 0x3);
e[2] = select4(s2.a, (MASK >> 4) & 0x3);
e[3] = select4(s2.a, (MASK >> 6) & 0x3);
e[4] = select4(s1.a+4, (MASK >> 0) & 0x3);
e[5] = select4(s1.a+4, (MASK >> 2) & 0x3);
e[6] = select4(s2.a+4, (MASK >> 4) & 0x3);
e[7] = select4(s2.a+4, (MASK >> 6) & 0x3);
if (check_union256 (u, e))
abort ();
}
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