gcc/testsuite/gcc.target/i386/pr52754.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -fpredictive-commoning -msse2 -std=c99" } */
   3 /* { dg-require-effective-target sse2 } */
   4
   5 #include <x86intrin.h>
   6
   7 #include "isa-check.h"
   8 #include "sse-os-support.h"
   9
  10 int main()
  11 {
  12     const float mem[8] = { 0, 1, 2, 3, 4, 5, 6, 7 };
  13
  14     unsigned int indexes[8];
  15     for (unsigned int i = 0; i < 8; ++i) indexes[i] = i;
  16
  17     check_isa ();
  18
  19     if (!sse_os_support ())
  20       exit (0);
  21
  22     __m128 x = _mm_setr_ps(0, 1, 2, 3);
  23     for (unsigned int i = 0; i + 4 < 6; ++i) {
  24         const unsigned int *ii = &indexes[i];
  25         const __m128 tmp = _mm_setr_ps(mem[ii[0]], mem[ii[1]], mem[ii[2]], mem[ii[3]]);
  26         if (0xf != _mm_movemask_ps(_mm_cmpeq_ps(tmp, x))) {
  27             __builtin_abort();
  28         }
  29         x = _mm_add_ps(x, _mm_set1_ps(1));
  30     }
  31
  32     return 0;
  33 }