| /* PR tree-optimization/59643 */ | |
| /* { dg-do compile } */ | |
| /* { dg-options "-O3 -fdump-tree-pcom-details" } */ | |
| void | |
| foo (double *a, double *b, double *c, double d, double e, int n) | |
| { | |
| int i; | |
| for (i = 1; i < n - 1; i++) | |
| a[i] = d * (b[i] + c[i] + a[i - 1] + a[i + 1]) + e * a[i]; | |
| } | |
| /* { dg-final { scan-tree-dump-times "Before commoning:" 1 "pcom" } } */ | |
| /* { dg-final { scan-tree-dump-times "Unrolling 2 times" 1 "pcom" } } */ |