1/* { dg-do run } */ 2/* { dg-options "-O2 -msse" } */ 3/* { dg-require-effective-target sse } */ 4 5#include "sse-check.h" 6 7#ifdef DEBUG 8#include <stdio.h> 9#endif 10 11#include <xmmintrin.h> 12 13static void 14__attribute__((noinline)) 15check (__m128 x, float *v, int j) 16{ 17 union 18 { 19 __m128 x; 20 float f[4]; 21 } u; 22 unsigned int i; 23 24 u.x = x; 25 26 for (i = 0; i < sizeof (v) / sizeof (v[0]); i++) 27 if (i == j) 28 { 29 if (v[i] != u.f[i]) 30 { 31#ifdef DEBUG 32 printf ("%i: %f != %f\n", i, v[i], u.f[i]); 33#endif 34 abort (); 35 } 36 } 37 else if (u.f[i] != 0) 38 { 39#ifdef DEBUG 40 printf ("%i: %f != 0\n", i, u.f[i]); 41#endif 42 abort (); 43 } 44} 45 46static void 47__attribute__((noinline)) 48test (float *v) 49{ 50 __m128 x; 51 52 x = _mm_set_ps (0, 0, 0, v[0]); 53 check (x, v, 0); 54 x = _mm_set_ps (0, 0, v[1], 0); 55 check (x, v, 1); 56 x = _mm_set_ps (0, v[2], 0, 0); 57 check (x, v, 2); 58 x = _mm_set_ps (v[3], 0, 0, 0); 59 check (x, v, 3); 60} 61 62static void 63sse_test (void) 64{ 65 float v[4] = { -3, 2, 1, 9 }; 66 test (v); 67} 68