| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fsplit-paths -fdump-tree-split-paths-details -w -fdisable-tree-thread1 -fdisable-tree-thread2" } */ |
| |
| /* Note: Threader causes the infinite loop in val & 1 sooner. */ |
| |
| powi_cost (long n) |
| { |
| unsigned char cache[256]; |
| unsigned long digit; |
| unsigned long val; |
| int result; |
| while (val >= 256) |
| { |
| if (val & 1) |
| { |
| result += powi_lookup_cost (digit, cache) + 3 + 1; |
| } |
| else |
| { |
| val >>= 1; |
| } |
| } |
| } |
| |
| /* { dg-final { scan-tree-dump-times "Duplicating join block" 1 "split-paths" } } */ |
| |
