Hi!
On Wed, Dec 16, 2020 at 04:49:49PM +0800, Kewen.Lin wrote:
> Currently we have the check:
>
> if (!insn
> || (value && rsp->last_set_table_tick >= label_tick_ebb_start))
> rsp->last_set_invalid = 1;
>
> which means if we want to record some value for some reg and
> this
Hi Segher,
>>
>> I think this should be postponed to stage 1 though? Or is there
>> anything very urgent in it?
>>
>
> Yeah, I agree that this belongs to stage1, and there isn't anything
> urgent about it. Thanks for all further comments above!
>
Gentle ping this:
https://gcc.gnu.org/piperma
Hi Segher,
on 2021/1/22 上午8:30, Segher Boessenkool wrote:
> Hi Ke Wen,
>
> On Fri, Jan 15, 2021 at 04:06:17PM +0800, Kewen.Lin wrote:
>> on 2021/1/15 上午8:22, Segher Boessenkool wrote:
>>> On Wed, Dec 16, 2020 at 04:49:49PM +0800, Kewen.Lin wrote:
... op regX // this regX could find wrong
Hi Ke Wen,
On Fri, Jan 15, 2021 at 04:06:17PM +0800, Kewen.Lin wrote:
> on 2021/1/15 上午8:22, Segher Boessenkool wrote:
> > On Wed, Dec 16, 2020 at 04:49:49PM +0800, Kewen.Lin wrote:
> >>... op regX // this regX could find wrong last_set below
> >>regX = ... // if we think this set is va
Hi Segher,
Thanks for the comments!
on 2021/1/15 上午8:22, Segher Boessenkool wrote:
> Hi!
>
> On Wed, Dec 16, 2020 at 04:49:49PM +0800, Kewen.Lin wrote:
>> When I was investigating unsigned int vec_init issue on Power,
>> I happened to find there seems something we can enhance in how
>> combine p
Hi!
On Wed, Dec 16, 2020 at 04:49:49PM +0800, Kewen.Lin wrote:
> When I was investigating unsigned int vec_init issue on Power,
> I happened to find there seems something we can enhance in how
> combine pass invalidate last_set (set last_set_invalid nonzero).
>
> Currently we have the check:
>
>