/* { dg-do compile } */ | |
/* { dg-options "-O -msse" } */ | |
#include <xmmintrin.h> | |
typedef unsigned short v4hi __attribute__ ((vector_size (8))); | |
int f(unsigned short n) | |
{ | |
__m64 vec = (__m64)(v4hi){ 0, 0, 1, n }; | |
__m64 hw = _mm_mulhi_pi16 (vec, vec); | |
return _mm_extract_pi16 (hw, 0); | |
} |