gcc/testsuite/gcc.target/i386/pr36438.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -mmmx" } */
   3
   4 #include <mmintrin.h>
   5
   6 extern __m64 SetS16 (unsigned short, unsigned short,
   7                      unsigned short, unsigned short);
   8
   9 void foo(__m64* dest)
  10 {
  11   __m64 mask = SetS16 (0x00FF, 0xFF00, 0x0000, 0x00FF);
  12
  13   mask = _mm_slli_si64(mask, 8);
  14   mask = _mm_slli_si64(mask, 8);
  15
  16   *dest = mask;
  17
  18   _mm_empty ();
  19 }