gcc/testsuite/gcc.target/i386/sse2-unpack-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -msse2" } */
   3
   4 #include <emmintrin.h>
   5
   6 __m128i
   7 foo1 (__m128i s1, __m128i s2)
   8 {
   9   return _mm_unpackhi_epi64 (s1, s2);
  10 }
  11
  12 __m128i
  13 foo2 (__m128i s1, __m128i s2)
  14 {
  15   return _mm_unpacklo_epi64 (s1, s2);
  16 }
  17
  18 /* { dg-final { scan-assembler "punpcklqdq" } } */
  19 /* { dg-final { scan-assembler "punpckhqdq" } } */