| /* { dg-do run } */ |
| /* { dg-options "-O1 -save-temps -fdump-tree-dce" } */ |
| |
| #include <stdint.h> |
| |
| __attribute__((noinline, noipa)) |
| void fun1(uint32_t *x, int n) |
| { |
| for (int i = 0; i < (n & -16); i++) |
| x[i] = (x[i]&(~255)) <= 0; |
| } |
| |
| __attribute__((noinline, noipa, optimize("O0"))) |
| void fun2(uint32_t *x, int n) |
| { |
| for (int i = 0; i < (n & -16); i++) |
| x[i] = (x[i]&(~255)) <= 0; |
| } |
| |
| #include "bic-bitmask.h" |
| |
| /* { dg-final { scan-tree-dump-times {<=\s* 255} 1 dce7 { target vect_int } } } */ |
| /* { dg-final { scan-tree-dump-not {&\s* 4294967040} dce7 { target vect_int } } } */ |
| |
