blob: 399b825ac436ac306aaed9b798bac7387016668c (
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
|
/* { dg-do compile { target arm*-*-* alpha*-*-* ia64*-*-* x86_64-*-* s390x-*-* powerpc*-*-* rs6000-*-* } } */
/* { dg-require-effective-target stdint_types } */
/* { dg-require-effective-target lp64 } */
/* { dg-options "-O -fdump-rtl-combine" } */
#include <stdint.h>
#define BS(X) __builtin_bswap64(X)
int foo1 (uint64_t a)
{
if (BS (a) == 0xA00000000)
return 1;
return 0;
}
int foo2 (uint64_t a)
{
if (BS (a) != 0xA00000000)
return 1;
return 0;
}
int foo3 (uint64_t a, uint64_t b)
{
if (BS (a) == BS (b))
return 1;
return 0;
}
int foo4 (uint64_t a, uint64_t b)
{
if (BS (a) != BS (b))
return 1;
return 0;
}
/* { dg-final { scan-rtl-dump-not "bswapdi" "combine" } } */
/* { dg-final { cleanup-rtl-dump "combine" } } */
|