| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-optimized" } */ |
| |
| #define popc __builtin_popcount |
| |
| int foo1(unsigned int x, unsigned int y) |
| { |
| return popc (x) + popc (y) - popc (x&y); |
| } |
| |
| int foo2(unsigned int x, unsigned int y) |
| { |
| return popc (y) + popc (x) - popc (x&y); |
| } |
| |
| int foo3(unsigned int x, unsigned int y) |
| { |
| return (popc (x) - popc (x&y)) + popc (y); |
| } |
| |
| int foo4(unsigned int x, unsigned int y) |
| { |
| return (popc (y) - popc (x&y)) + popc (x); |
| } |
| |
| /* { dg-final { scan-tree-dump-not " & " "optimized" } } */ |
| /* { dg-final { scan-tree-dump-times " \\| " 4 "optimized" } } */ |
| /* { dg-final { scan-tree-dump-times "popcount " 4 "optimized" } } */ |
