| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-optimized" } */ |
| |
| int foo(unsigned int x) |
| { |
| #if __SIZEOF_INT__ == 4 |
| unsigned int y = (x>>4) | (x<<28); |
| return __builtin_popcount(y); |
| #elif __SIZEOF_INT__ == 2 |
| unsigned int y = (x>>4) | (x<<12); |
| return __builtin_popcount(y); |
| #else |
| return x; |
| #endif |
| } |
| |
| int bar(unsigned long x) |
| { |
| #if __SIZEOF_LONG__ == 8 |
| unsigned long y = (x>>4) | (x<<60); |
| return __builtin_popcountl (y); |
| #elif __SIZEOF_LONG__ == 4 |
| unsigned long y = (x>>4) | (x<<28); |
| return __builtin_popcountl (y); |
| #else |
| return x; |
| #endif |
| } |
| |
| int baz(unsigned long long x) |
| { |
| #if __SIZEOF_LONG_LONG__ == 8 |
| unsigned long long y = (x>>4) | (x<<60); |
| return __builtin_popcountll (y); |
| #elif __SIZEOF_LONG_LONG__ == 4 |
| unsigned long long y = (x>>4) | (x<<28); |
| return __builtin_popcountll (y); |
| #else |
| return x; |
| #endif |
| } |
| |
| /* { dg-final { scan-tree-dump-not " r>> " "optimized" } } */ |
