| /* { dg-do compile } */ | |
| /* { dg-options "-O2 -fno-tree-loop-optimize -fdump-tree-optimized" } */ | |
| #define PREC (__CHAR_BIT__) | |
| int count1 (unsigned char b) { | |
| int c = 0; | |
| while (b) { | |
| b &= b - 1; | |
| c++; | |
| } | |
| if (c <= PREC) | |
| return 0; | |
| else | |
| return 34567; | |
| } | |
| int count2 (unsigned char b) { | |
| int c = 0; | |
| while (b) { | |
| b &= b - 1; | |
| c++; | |
| } | |
| if (c <= PREC - 1) | |
| return 0; | |
| else | |
| return 76543; | |
| } | |
| /* { dg-final { scan-tree-dump-times "34567" 0 "optimized" } } */ | |
| /* { dg-final { scan-tree-dump-times "76543" 1 "optimized" } } */ |