On 08/30/2017 09:41 AM, Richard Sandiford wrote:
>
> Even then I don't think we could ever have SET_SRC and SET_DEST being
> different. The extension has to be explicit in the source.
Yea, you should still have the same mode for the SET_SRC and SET_DEST.
It's just that the operands underneath may
Jeff Law writes:
> On 08/21/2017 07:34 AM, Richard Sandiford wrote:
>> This patch adds a partial_subreg_p predicate to go alongside
>> paradoxical_subreg_p.
>>
>> The first two changes to cse_insn preserve the current behaviour,
>> but the condition seems strange. Shouldn't we be able to continu
On 08/21/2017 07:34 AM, Richard Sandiford wrote:
> This patch adds a partial_subreg_p predicate to go alongside
> paradoxical_subreg_p.
>
> The first two changes to cse_insn preserve the current behaviour,
> but the condition seems strange. Shouldn't we be able to continue
> to cse if the inner m
