| /* { dg-do compile } */ | |
| /* { dg-require-effective-target ia32 } */ | |
| /* { dg-skip-if "" { *-*-* } { "-march=*" } { "-march=i486" } } */ | |
| /* { dg-options "-O2 -march=i486" } */ | |
| void | |
| foo (unsigned long long *p) | |
| { | |
| unsigned long long tmp; | |
| tmp = *p; | |
| tmp = (tmp >> 32) | (tmp << 32); | |
| tmp = (((tmp & 0xff00ff00ff00ff00ULL) >> 8) | |
| | ((tmp & 71777214294589695ULL) << 8)); | |
| *p = (((tmp & 0xffff0000ffff0000ULL) >> 16) | |
| | ((tmp & 281470681808895ULL) << 16)); | |
| } | |
| /* { dg-final { scan-assembler-times "bswap" 2 } } */ |