| /* { dg-do compile } */ | |
| /* { dg-options "-O -fdump-tree-optimized -fdump-tree-original" } */ | |
| double foo(double x, double y) | |
| { | |
| return ((x + 0.1234 * y) * (x - 0.1234 * y)); | |
| } | |
| /* Keep positive constants during folding. */ | |
| /* { dg-final { scan-tree-dump-times " 1.23" 2 "original" } } */ | |
| /* CSE one multiplication. */ | |
| /* { dg-final { scan-tree-dump-times " \\\* " 2 "optimized" } } */ | |
| /* { dg-final { cleanup-tree-dump "original" } } */ | |
| /* { dg-final { cleanup-tree-dump "optimized" } } */ |