c: gcc-patches@gcc.gnu.org; juzhe.zh...@rivai.ai; kito.ch...@gmail.com;
jeffreya...@gmail.com; rdapp@gmail.com
Subject: Re: [PATCH v1] Ifcvt: Add cond tree reconcile for truncated .SAT_SUB
On Fri, Jun 21, 2024 at 4:45 PM Li, Pan2 wrote:
>
> Thanks Richard for suggestion, tried
Pan
>
>
> -Original Message-----
> From: Richard Biener
> Sent: Friday, June 21, 2024 5:29 PM
> To: Li, Pan2
> Cc: gcc-patches@gcc.gnu.org; juzhe.zh...@rivai.ai; kito.ch...@gmail.com;
> jeffreya...@gmail.com; rdapp@gmail.com
> Subject: Re: [PATCH v1] Ifcvt:
eya...@gmail.com; rdapp@gmail.com
Subject: Re: [PATCH v1] Ifcvt: Add cond tree reconcile for truncated .SAT_SUB
On Fri, Jun 21, 2024 at 10:50 AM Li, Pan2 wrote:
>
> Thanks Richard for comments.
>
> > to match this by changing it to
>
> > /* Unsigned saturation sub, case 2 (br
to do is simply to add a conversion stmt to the pattern sequence in case
the types differ?
But maybe I'm missing something.
Richard.
> Pan
>
> -Original Message-
> From: Richard Biener
> Sent: Friday, June 21, 2024 3:00 PM
> To: Li, Pan2
> Cc: gcc-patches@gcc.
to.ch...@gmail.com;
jeffreya...@gmail.com; rdapp....@gmail.com
Subject: Re: [PATCH v1] Ifcvt: Add cond tree reconcile for truncated .SAT_SUB
On Fri, Jun 21, 2024 at 5:53 AM wrote:
>
> From: Pan Li
>
> The zip benchmark of coremark-pro have one SAT_SUB like pattern but
> trunca
On Fri, Jun 21, 2024 at 5:53 AM wrote:
>
> From: Pan Li
>
> The zip benchmark of coremark-pro have one SAT_SUB like pattern but
> truncated as below:
>
> void test (uint16_t *x, unsigned b, unsigned n)
> {
> unsigned a = 0;
> register uint16_t *p = x;
>
> do {
> a = *--p;
> *p =
