| /* { 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)); |
| } |
