on 2024/7/24 06:53, Andrew Pinski wrote:
> On Mon, Jul 22, 2024 at 7:41 PM Kewen.Lin wrote:
>>
>> Hi Andrew,
>>
>> on 2024/7/23 08:09, Andrew Pinski wrote:
>>> On Sun, Jun 30, 2024 at 11:17 PM Kewen.Lin wrote:
Hi,
As PR115659 shows, assuming c = x CMP y, there are some
fo
On Mon, Jul 22, 2024 at 7:41 PM Kewen.Lin wrote:
>
> Hi Andrew,
>
> on 2024/7/23 08:09, Andrew Pinski wrote:
> > On Sun, Jun 30, 2024 at 11:17 PM Kewen.Lin wrote:
> >>
> >> Hi,
> >>
> >> As PR115659 shows, assuming c = x CMP y, there are some
> >> folding chances for patterns r = c ? 0/z : z/-1:
Hi Andrew,
on 2024/7/23 08:09, Andrew Pinski wrote:
> On Sun, Jun 30, 2024 at 11:17 PM Kewen.Lin wrote:
>>
>> Hi,
>>
>> As PR115659 shows, assuming c = x CMP y, there are some
>> folding chances for patterns r = c ? 0/z : z/-1:
>> - For r = c ? 0 : z, it can be folded into r = ~c & z.
>> - Fo
On Sun, Jun 30, 2024 at 11:17 PM Kewen.Lin wrote:
>
> Hi,
>
> As PR115659 shows, assuming c = x CMP y, there are some
> folding chances for patterns r = c ? 0/z : z/-1:
> - For r = c ? 0 : z, it can be folded into r = ~c & z.
> - For r = c ? z : -1, it can be folded into r = ~c | z.
>
> But BI
Hi!
on 2024/7/2 04:28, Segher Boessenkool wrote:
> On Mon, Jul 01, 2024 at 04:36:44PM +0200, Richard Biener wrote:
>> On Mon, Jul 1, 2024 at 8:17 AM Kewen.Lin wrote:
>>> As PR115659 shows, assuming c = x CMP y, there are some
>>> folding chances for patterns r = c ? 0/z : z/-1:
>>> - For r = c
Hi!
On Mon, Jul 01, 2024 at 02:17:33PM +0800, Kewen.Lin wrote:
> * config/rs6000/rs6000-builtins.def: Update some bif expanders by
> replacing orc3 with iorc3.
> * config/rs6000/rs6000-string.cc (expand_cmp_vec_sequence): Update gen
> function by replacing orc3 with iorc3.
On Mon, Jul 01, 2024 at 04:36:44PM +0200, Richard Biener wrote:
> On Mon, Jul 1, 2024 at 8:17 AM Kewen.Lin wrote:
> > As PR115659 shows, assuming c = x CMP y, there are some
> > folding chances for patterns r = c ? 0/z : z/-1:
> > - For r = c ? 0 : z, it can be folded into r = ~c & z.
> > - Fo
On Mon, Jul 1, 2024 at 8:17 AM Kewen.Lin wrote:
>
> Hi,
>
> As PR115659 shows, assuming c = x CMP y, there are some
> folding chances for patterns r = c ? 0/z : z/-1:
> - For r = c ? 0 : z, it can be folded into r = ~c & z.
> - For r = c ? z : -1, it can be folded into r = ~c | z.
>
> But BIT_
Hi,
As PR115659 shows, assuming c = x CMP y, there are some
folding chances for patterns r = c ? 0/z : z/-1:
- For r = c ? 0 : z, it can be folded into r = ~c & z.
- For r = c ? z : -1, it can be folded into r = ~c | z.
But BIT_AND/BIT_IOR applied on one BIT_NOT operand is a
compound operatio
