/* { 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" } } */ |