gcc/testsuite/gcc.target/i386/avx-vpermilps-256-1.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx } */
   3 /* { dg-options "-O2 -mavx" } */
   4
   5 #include "avx-check.h"
   6
   7 #ifndef CTRL
   8 #define CTRL 129
   9 #endif
  10
  11 void static
  12 avx_test ()
  13 {
  14     union256 src, u;
  15     float e[8] = {0.0};
  16
  17     src.x = _mm256_set_ps (1, 2, 3, 4, 5, 6, 7, 8);
  18     u.x = _mm256_permute_ps(src.x, CTRL);
  19
  20     e[0] = src.a[0 +  (CTRL & 0x03)];
  21     e[1] = src.a[0 + ((CTRL & 0x0c) >> 2)];
  22     e[2] = src.a[0 + ((CTRL & 0x30) >> 4)];
  23     e[3] = src.a[0 + ((CTRL & 0xc0) >> 6)];
  24     e[4] = src.a[4 +  (CTRL & 0x03)];
  25     e[5] = src.a[4 + ((CTRL & 0x0c) >> 2)];
  26     e[6] = src.a[4 + ((CTRL & 0x30) >> 4)];
  27     e[7] = src.a[4 + ((CTRL & 0xc0) >> 6)];
  28
  29     if (check_union256 (u, e))
  30       abort ();
  31 }