1 /* { dg-do run } */ 2 /* { dg-options "-O2 -msse2" } */ 3 /* { dg-require-effective-target sse2 } */ 4 5 #include "sse2-check.h" 6 7 #ifdef DEBUG 8 #include <stdio.h> 9 #endif 10 11 #include <emmintrin.h> 12 13 static void 14 __attribute__((noinline)) test(unsigned int * v)15test (unsigned int *v) 16 { 17 union 18 { 19 __m128i x; 20 unsigned int i[4]; 21 } u; 22 unsigned int i; 23 24 u.x = _mm_set_epi32 (v[3], v[2], v[1], v[0]); 25 26 for (i = 0; i < sizeof (u) / sizeof (v[0]); i++) 27 if (v[i] != u.i[i]) 28 { 29 #ifdef DEBUG 30 printf ("%i: 0x%x != 0x%x\n", i, v[i], u.i[i]); 31 #endif 32 abort (); 33 } 34 } 35 36 static void sse2_test(void)37sse2_test (void) 38 { 39 unsigned int v[4] 40 = { 0x7B5B5465, 0x73745665, 0x63746F72, 0x5D53475D }; 41 test (v); 42 } 43