1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/* { dg-do run } */
/* { dg-require-effective-target sse4 } */
/* { dg-options "-O2 -msse4.1" } */
#include "sse4_1-check.h"
#ifdef DEBUG
#include <stdio.h>
#endif
#include <emmintrin.h>
static void
__attribute__((noinline))
check (__m128i x, unsigned long long *v, int j)
{
union
{
__m128i x;
unsigned long long i[2];
} u;
unsigned int i;
u.x = x;
for (i = 0; i < sizeof (v) / sizeof (v[0]); i++)
if (i == j)
{
if (v[i] != u.i[i])
{
#ifdef DEBUG
printf ("%i: 0x%llx != 0x%llx\n", i, v[i], u.i[i]);
#endif
abort ();
}
}
else if (u.i[i] != 0)
{
#ifdef DEBUG
printf ("%i: 0x%llx != 0\n", i, u.i[i]);
#endif
abort ();
}
}
static void
__attribute__((noinline))
test (unsigned long long *v)
{
__m128i x;
x = _mm_set_epi64x (0, v[0]);
check (x, v, 0);
x = _mm_set_epi64x (v[1], 0);
check (x, v, 1);
}
static void
sse4_1_test (void)
{
unsigned long long v[2]
= { 0x7B5B546573745665LL, 0x63746F725D53475DLL };
test (v);
}
|
