blob: 85472e63b630b84fcacece8f42bfee80b2b75db4 (
plain)
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
|
/* { dg-do run { target i?86-*-* } } */
/* { dg-require-effective-target ilp32 } */
/* { dg-options "-std=gnu99 -msse2 -mstackrealign" } */
#include <emmintrin.h>
__m128i __attribute__ ((__noinline__))
vector_using_function ()
{
volatile __m128i vx; /* We want to force a vector-aligned store into the stack. */
vx = _mm_xor_si128 (vx, vx);
return vx;
}
int __attribute__ ((__noinline__))
self_aligning_function (int x, int y)
{
__m128i ignored = vector_using_function ();
return (x + y);
}
int g_1 = 20;
int g_2 = 22;
int
main ()
{
int result;
asm ("pushl %esi"); /* Disalign runtime stack. */
result = self_aligning_function (g_1, g_2);
asm ("popl %esi");
if (result != 42)
abort ();
}
|
