On Wed, 27 Jan 2021 at 15:03, Kyrylo Tkachov wrote:
>
>
>
> > -Original Message-
> > From: Christophe Lyon
> > Sent: 27 January 2021 13:56
> > To: Kyrylo Tkachov
> > Cc: Kyrylo Tkachov via Gcc-patches
> > Subject: Re: arm: Adjust cost of v
> -Original Message-
> From: Christophe Lyon
> Sent: 27 January 2021 13:56
> To: Kyrylo Tkachov
> Cc: Kyrylo Tkachov via Gcc-patches
> Subject: Re: arm: Adjust cost of vector of constant zero
>
> On Wed, 27 Jan 2021 at 14:44, Kyrylo Tkachov
> wrote:
>
On Wed, 27 Jan 2021 at 14:44, Kyrylo Tkachov wrote:
>
>
>
> > -Original Message-
> > From: Christophe Lyon
> > Sent: 27 January 2021 13:12
> > To: Kyrylo Tkachov
> > Cc: Kyrylo Tkachov via Gcc-patches
> > Subject: Re: arm: Adjust cost of v
> -Original Message-
> From: Christophe Lyon
> Sent: 27 January 2021 13:12
> To: Kyrylo Tkachov
> Cc: Kyrylo Tkachov via Gcc-patches
> Subject: Re: arm: Adjust cost of vector of constant zero
>
> On Wed, 27 Jan 2021 at 10:15, Kyrylo Tkachov
> w
On Wed, 27 Jan 2021 at 10:15, Kyrylo Tkachov wrote:
>
> Hi Christophe,
>
> > -Original Message-
> > From: Gcc-patches On Behalf Of
> > Christophe Lyon via Gcc-patches
> > Sent: 26 January 2021 18:03
> > To: gcc Patches
> > Subject
Hi Christophe,
> -Original Message-
> From: Gcc-patches On Behalf Of
> Christophe Lyon via Gcc-patches
> Sent: 26 January 2021 18:03
> To: gcc Patches
> Subject: arm: Adjust cost of vector of constant zero
>
> Neon vector comparisons have a dedicated ver
Neon vector comparisons have a dedicated version when comparing with
constant zero: it means its cost is free.
Adjust the cost in arm_rtx_costs_internal accordingly, for Neon only,
since MVE does not support this.
2021-01-26 Christophe Lyon
gcc/
PR target/98730
* config/arm/arm.c (arm_rtx_cos
