1/* { dg-do compile } */ 2/* { dg-options "-O -msse" } */ 3/* { dg-require-effective-target sse } */ 4 5#include <xmmintrin.h> 6 7typedef unsigned short v4hi __attribute__ ((vector_size (8))); 8 9int f(unsigned short n) 10{ 11 __m64 vec = (__m64)(v4hi){ 0, 0, 1, n }; 12 __m64 hw = _mm_mulhi_pi16 (vec, vec); 13 return _mm_extract_pi16 (hw, 0); 14} 15