diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/bic-bitmask-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/bic-bitmask-2.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/bic-bitmask-2.c b/gcc/testsuite/gcc.dg/bic-bitmask-2.c new file mode 100644 index 00000000000..59ba9a414ae --- /dev/null +++ b/gcc/testsuite/gcc.dg/bic-bitmask-2.c @@ -0,0 +1,25 @@ +/* { dg-do run } */ +/* { dg-options "-O3 -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("O1"))) +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 } } } */ +/* { dg-final { scan-tree-dump-not {\s+bic\s+} dce7 { target { aarch64*-*-* } } } } */ + |