blob: 33662e24c4f8928d0d61a9e3c713bc3af37872d4 (
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
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
/* { dg-do run } */
/* { dg-require-effective-target split_stack } */
/* { dg-options "-fsplit-stack" } */
/* Testcase for PR86213. On the first call to __morestack there is a live
value in xmm0, which was being clobbered by a call to getenv(). */
#include <stdlib.h>
double gd[8];
int z;
double bar(double q) __attribute__ ((noinline));
double foo(double q) __attribute__ ((noinline));
int ck(double q) __attribute__ ((noinline));
int main(int argc, char **argv) __attribute__ ((no_split_stack));
double bar(double q)
{
double d[8];
for (unsigned i = 0; i < 8; ++i)
d[i] = gd[8-i-1];
return q + d[z&3];
}
double foo(double d)
{
return bar(d);
}
int ck(double d)
{
if (d != 64.0)
abort();
return 0;
}
typedef double (*fp)(double);
fp g = foo;
int main(int argc, char **argv) {
return ck(g(64.0));
}
|
