| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -funroll-loops --param max-unroll-times=8 -fpredictive-commoning -fdump-tree-pcom-details -fno-tree-pre -fno-tree-loop-vectorize" } */ | |
| int a[1000], b[1000]; | |
| void test(void) | |
| { | |
| int i; | |
| for (i = 1; i < 999; i++) | |
| b[i] = (a[i + 1] + a[i] + a[i - 1]) / 3; | |
| } | |
| /* Verify that we used 3 temporary variables for the loop. */ | |
| /* { dg-final { scan-tree-dump-times "Unrolling 3 times." 1 "pcom"} } */ |