On 9/29/19 11:05 PM, Jeff Law wrote:
> On 9/11/19 1:09 PM, Richard Sandiford wrote:
>> cselib_invalidate_regno is a no-op if REG_VALUES (i) is null,
>> so we can check that first. Then, if we know what mode the register
>> currently has, we can check whether it's clobbered in that mode.
>>
>> Usin
On 9/11/19 1:09 PM, Richard Sandiford wrote:
> cselib_invalidate_regno is a no-op if REG_VALUES (i) is null,
> so we can check that first. Then, if we know what mode the register
> currently has, we can check whether it's clobbered in that mode.
>
> Using GET_MODE (values->elt->val_rtx) to get th
cselib_invalidate_regno is a no-op if REG_VALUES (i) is null,
so we can check that first. Then, if we know what mode the register
currently has, we can check whether it's clobbered in that mode.
Using GET_MODE (values->elt->val_rtx) to get the mode of the last
set is taken from cselib_reg_set_mod