1 /* { dg-do compile } */
2 /* { dg-options "-O -fdump-tree-optimized -fdump-tree-original" } */
3 
foo(double x,double y)4 double foo(double x, double y)
5 {
6   return ((x + 0.1234 * y) * (x - 0.1234 * y));
7 }
8 
9 /* Keep positive constants during folding.  */
10 /* { dg-final { scan-tree-dump-times " 1.23" 2 "original" } } */
11 /* CSE one multiplication.  */
12 /* { dg-final { scan-tree-dump-times " \\\* " 2 "optimized" } } */
13