Hi Segher,
Thanks for your comments.
On 13/7/2022 上午 1:26, Segher Boessenkool wrote:
>> --- a/gcc/config/rs6000/rs6000.md
>> +++ b/gcc/config/rs6000/rs6000.md
>> @@ -7078,27 +7078,38 @@ (define_expand "subti3"
>> })
>>
>> ;; 128-bit logical operations expanders
>> +;; Fail TImode in all 128
Hi!
On Mon, Jul 04, 2022 at 02:27:42PM +0800, HAO CHEN GUI wrote:
> This patch fails TImode for all 128-bit logical operation expanders. So
> TImode splits to two DI registers during expand. Potential optimizations can
> be taken after expand pass. Originally, the TImode logical operations are
>
Hi,
This patch fails TImode for all 128-bit logical operation expanders. So
TImode splits to two DI registers during expand. Potential optimizations can
be taken after expand pass. Originally, the TImode logical operations are
split after reload pass. It's too late. The test case illustrates it.
