> -Original Message-
> From: Uros Bizjak
> Sent: Thursday, November 2, 2023 3:23 AM
> To: Roger Sayle
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [x86_64 PATCH] PR target/110551: Tweak mulx register allocation
> using peephole2.
>
> On Wed, Nov 1, 2023 at 1
On Wed, Nov 1, 2023 at 1:58 PM Roger Sayle wrote:
>
>
> Hi Uros,
>
> > From: Uros Bizjak
> > Sent: 01 November 2023 10:05
> > Subject: Re: [x86_64 PATCH] PR target/110551: Tweak mulx register allocation
> > using peephole2.
> >
> > On Mon
Hi Uros,
> From: Uros Bizjak
> Sent: 01 November 2023 10:05
> Subject: Re: [x86_64 PATCH] PR target/110551: Tweak mulx register allocation
> using peephole2.
>
> On Mon, Oct 30, 2023 at 6:27 PM Roger Sayle
> wrote:
> >
> >
> > This patch is a follow-u
On Mon, Oct 30, 2023 at 6:27 PM Roger Sayle wrote:
>
>
> This patch is a follow-up to my previous PR target/110551 patch, this
> time to address the additional move after mulx, seen on TARGET_BMI2
> architectures (such as -march=haswell). The complication here is
> that the flexible multiple-set
This patch is a follow-up to my previous PR target/110551 patch, this
time to address the additional move after mulx, seen on TARGET_BMI2
architectures (such as -march=haswell). The complication here is
that the flexible multiple-set mulx instruction is introduced into
RTL after reload, by split2
