gcc/testsuite/gcc.target/i386/avx-vpermilps-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 11
   9 #endif
  10
  11 void static
  12 avx_test ()
  13 {
  14   union128 u, s;
  15   float e[4];
  16
  17   s.x = _mm_set_ps (1, 2, 3, 4);
  18   u.x = _mm_permute_ps(s.x, CTRL);
  19
  20   e[0] = s.a[ (CTRL & 0x03)];
  21   e[1] = s.a[((CTRL & 0x0c) >> 2)];
  22   e[2] = s.a[((CTRL & 0x30) >> 4)];
  23   e[3] = s.a[((CTRL & 0xc0) >> 6)];
  24
  25   if (check_union128 (u, e))
  26     abort ();
  27 }