gcc/testsuite/gcc.target/i386/mmx-7.c

   1 /* PR middle-end/26379 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -mmmx" } */
   4
   5 #include <mmintrin.h>
   6
   7 void
   8 foo (__m64 *p)
   9 {
  10   __m64 m;
  11
  12   m = p[0];
  13   m = _mm_srli_pi16(m, 2);
  14   m = _mm_slli_pi16(m, 8);
  15
  16   p[0] = m;
  17   _mm_empty();
  18 }