1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-reassoc1" } */
3
test1(unsigned int x,unsigned int y,unsigned int z,unsigned int weight)4 unsigned int test1 (unsigned int x, unsigned int y, unsigned int z,
5 unsigned int weight)
6 {
7 unsigned int tmp1 = x * weight;
8 unsigned int tmp2 = y * weight;
9 unsigned int tmp3 = (x - y) * weight;
10 return tmp1 + (tmp2 + tmp3);
11 }
12
test2(unsigned int x,unsigned int y,unsigned int z,unsigned int weight)13 unsigned int test2 (unsigned int x, unsigned int y, unsigned int z,
14 unsigned int weight)
15 {
16 unsigned int tmp1 = x * weight;
17 unsigned int tmp2 = y * weight * weight;
18 unsigned int tmp3 = z * weight * weight * weight;
19 return tmp1 + tmp2 + tmp3;
20 }
21
22 /* There should be two multiplication left in test1 (inculding one generated
23 when converting addition to multiplication) and three in test2. */
24
25 /* { dg-final { scan-tree-dump-times "\\\*" 5 "reassoc1" } } */
26