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2018-03-08 Richard Biener <rguenther@suse.de>
[official-gcc.git]
/
gcc
/
testsuite
/
gcc.target
/
i386
/
pr36753.c
blob
2d43d42a02194823edb39892aba602376898c602
1
/* { dg-options "-O2" } */
2
/* { dg-do run } */
3
4
#if defined __i386__
5
#define REG
"edi"
6
#else
7
#define REG
"r14"
8
#endif
9
10
register
unsigned long
*
ds
asm
(
REG
);
11
12
extern
void
abort
(
void
);
13
14
__attribute__
((
noinline
))
void
15
test
(
void
)
16
{
17
*++
ds
=
31337
;
18
}
19
20
int
21
main
()
22
{
23
unsigned long
stack
[
2
];
24
stack
[
0
] =
0
;
25
stack
[
1
] =
0
;
26
ds
=
stack
;
27
test
();
28
if
(
ds
!=
stack
+
1
|| *
ds
!=
31337
)
29
abort
();
30
return
0
;
31
}