| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -fdump-tree-reassoc1" } */ | |
| int main(int a, int b, int c, int d) | |
| { | |
| /* All the xor's cancel each other out, leaving 0 */ | |
| int e = (a ^ b) ^ (c ^ d); | |
| int f = (c ^ a) ^ (b ^ d); | |
| return e ^ f; | |
| } | |
| /* { dg-final { scan-tree-dump-times "= 0" 1 "reassoc1"} } */ |