| /* PR tree-optimization/96239 */ | |
| /* { dg-do compile { target { ilp32 || lp64 } } } */ | |
| /* { dg-options "-O3 -fdump-tree-optimized" } */ | |
| /* { dg-final { scan-tree-dump " r>> 8;" "optimized" { target bswap } } } */ | |
| union U { unsigned char c[2]; unsigned short s; }; | |
| unsigned short | |
| foo (unsigned short x) | |
| { | |
| union U u; | |
| u.s = x; | |
| unsigned char v = u.c[0]; | |
| unsigned char w = u.c[1]; | |
| u.c[0] = w; | |
| u.c[1] = v; | |
| return u.s; | |
| } |