gcc/testsuite/gcc.target/i386/mmx-5.c

   1 /* PR rtl-optimization/17853 */
   2 /* Contributed by Stuart Hastings <stuart@apple.com> */
   3 /* { dg-do compile } */
   4 /* { dg-options "-O2 -mmmx" } */
   5 #include <mmintrin.h>
   6 #include <stdlib.h>
   7
   8 __m64 global_mask;
   9
  10 int main()
  11 {
  12     __m64 zero = _mm_setzero_si64();
  13     __m64 mask = _mm_cmpeq_pi8( zero, zero );
  14     mask = _mm_unpacklo_pi8( mask, zero );
  15     global_mask = mask;
  16     return 0;
  17 }
  18