diff options
Diffstat (limited to 'gcc/target.def')
| -rw-r--r-- | gcc/target.def | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/target.def b/gcc/target.def index 783ac99..94a0ad4d 100644 --- a/gcc/target.def +++ b/gcc/target.def @@ -1933,6 +1933,17 @@ if such a mode exists.", (poly_uint64 nunits, poly_uint64 length), default_get_mask_mode) +/* Function to say whether a masked operation is expensive when the + mask is all zeros. */ +DEFHOOK +(empty_mask_is_expensive, + "This hook returns true if masked internal function @var{ifn} (really of\n\ +type @code{internal_fn}) should be considered expensive when the mask is\n\ +all zeros. GCC can then try to branch around the instruction instead.", + bool, + (unsigned ifn), + default_empty_mask_is_expensive) + /* Target builtin that implements vector gather operation. */ DEFHOOK (builtin_gather, |