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
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/* PR middle-end/37009 */
/* { dg-do run { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
/* { dg-options "-msse2" } */
#include <stdarg.h>
#include <emmintrin.h>
#include "cpuid.h"
#include "check.h"
#ifndef ALIGNMENT
#define ALIGNMENT 16
#endif
typedef int aligned __attribute__((aligned(ALIGNMENT)));
void
bar (char *p, int size)
{
__builtin_strncpy (p, "good", size);
}
__m128 a = { 1.0 };
void
test (va_list arg)
{
char *p;
aligned i;
int size;
double x;
__m128 e;
size = va_arg (arg, int);
if (size != 5)
abort ();
p = __builtin_alloca (size + 1);
x = va_arg (arg, double);
if (x != 5.0)
abort ();
bar (p, size);
if (__builtin_strncmp (p, "good", size) != 0)
{
#ifdef DEBUG
p[size] = '\0';
printf ("Failed: %s != good\n", p);
#endif
abort ();
}
if (check_int (&i, __alignof__(i)) != i)
abort ();
e = va_arg (arg, __m128);
if (__builtin_memcmp (&e, &a, sizeof (e)))
abort ();
}
void
foo (const char *fmt, ...)
{
va_list arg;
va_start (arg, fmt);
test (arg);
va_end (arg);
}
int
main (void)
{
__m128 x = { 1.0 };
unsigned int eax, ebx, ecx, edx;
if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx))
return 0;
/* Run SSE2 test only if host has SSE2 support. */
if (edx & bit_SSE2)
foo ("foo", 5, 5.0, x);
return 0;
}
|
