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))
check(__m128i x,unsigned int * v,int j)15 check (__m128i x, unsigned int *v, int j)
16 {
17 union
18 {
19 __m128i x;
20 unsigned int i[4];
21 } u;
22 unsigned int i;
23
24 u.x = x;
25
26 for (i = 0; i < sizeof (u) / sizeof (v[0]); i++)
27 if (i == j)
28 {
29 if (v[i] != u.i[i])
30 {
31 #ifdef DEBUG
32 printf ("%i: 0x%x != 0x%x\n", i, v[i], u.i[i]);
33 #endif
34 abort ();
35 }
36 }
37 else if (u.i[i] != 0)
38 {
39 #ifdef DEBUG
40 printf ("%i: 0x%x != 0\n", i, u.i[i]);
41 #endif
42 abort ();
43 }
44 }
45
46 static void
47 __attribute__((noinline))
test(unsigned int * v)48 test (unsigned int *v)
49 {
50 __m128i x;
51
52 x = _mm_set_epi32 (0, 0, 0, v[0]);
53 check (x, v, 0);
54 x = _mm_set_epi32 (0, 0, v[1], 0);
55 check (x, v, 1);
56 x = _mm_set_epi32 (0, v[2], 0, 0);
57 check (x, v, 2);
58 x = _mm_set_epi32 (v[3], 0, 0, 0);
59 check (x, v, 3);
60 }
61
62 static void
sse2_test(void)63 sse2_test (void)
64 {
65 unsigned int v[4]
66 = { 0x7B5B5465, 0x73745665, 0x63746F72, 0x5D53475D };
67 test (v);
68 }
69