gcc/testsuite/gcc.target/i386/pr13366.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -msse" } */
   3
   4 #include <xmmintrin.h>
   5
   6 typedef unsigned short v4hi __attribute__ ((vector_size (8)));
   7
   8 int f(unsigned short n)
   9 {
  10    __m64 vec = (__m64)(v4hi){ 0, 0, 1, n };
  11    __m64 hw = _mm_mulhi_pi16 (vec, vec);
  12    return _mm_extract_pi16 (hw, 0);
  13 }