blob: 7610a2062c287a4e14375087a48b5f32cd975f04 (
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
|
/* { dg-do compile { target alpha*-*-* ia64*-*-* i?86-*-* x86_64-*-* s390x-*-* } } */
/* { dg-options "-O2 -Wno-shift-overflow" } */
/* { dg-require-effective-target lp64 } */
/* PR middle-end/40501 */
/* This once failed due to the bswap pass missing to add the type
casts of the signed argument and result to the proper unsigned
types. */
typedef long int int64_t;
int64_t
swap64 (int64_t n)
{
return (((n & (((int64_t) 0xff) )) << 56) |
((n & (((int64_t) 0xff) << 8)) << 40) |
((n & (((int64_t) 0xff) << 16)) << 24) |
((n & (((int64_t) 0xff) << 24)) << 8) |
((n & (((int64_t) 0xff) << 32)) >> 8) |
((n & (((int64_t) 0xff) << 40)) >> 24) |
((n & (((int64_t) 0xff) << 48)) >> 40) |
((n & (((int64_t) 0xff) << 56)) >> 56));
}
|