imento ; gcc-
>> > patc...@gcc.gnu.org; Richard Sandiford ; Richard
>> > Earnshaw ; Victor Do Nascimento
>> >
>> > Subject: Re: [PATCH] middle-end: Expand {u|s}dot product support in
>> > autovectorizer
>> >
>> > On Fri, May 17
Christina
wrote:
-Original Message-
From: Richard Biener
Sent: Friday, May 17, 2024 10:46 AM
To: Tamar Christina
Cc: Victor Do Nascimento ; gcc-
patc...@gcc.gnu.org; Richard Sandiford ; Richard
Earnshaw ; Victor Do Nascimento
Subject: Re: [PATCH] middle-end: Expand {u|s}dot produ
ford ; Richard
> > Earnshaw ; Victor Do Nascimento
> >
> > Subject: Re: [PATCH] middle-end: Expand {u|s}dot product support in
> > autovectorizer
> >
> > On Fri, May 17, 2024 at 11:05 AM Tamar Christina
> > wrote:
> > >
> > > &g
ascimento
> > > Cc: gcc-patches@gcc.gnu.org; Richard Sandiford
> ;
> > > Richard Earnshaw ; Victor Do Nascimento
> > >
> > > Subject: Re: [PATCH] middle-end: Expand {u|s}dot product support in
> > > autovectorizer
> > >
> > > On T
; Victor Do Nascimento
> >
> > Subject: Re: [PATCH] middle-end: Expand {u|s}dot product support in
> > autovectorizer
> >
> > On Thu, May 16, 2024 at 4:40 PM Victor Do Nascimento
> > wrote:
> > >
> > > From: Victor Do Nascimento
> > &
> -Original Message-
> From: Hongtao Liu
> Sent: Friday, May 17, 2024 3:14 AM
> To: Victor Do Nascimento
> Cc: gcc-patches@gcc.gnu.org; Richard Sandiford ;
> Richard Earnshaw ; Victor Do Nascimento
>
> Subject: Re: [PATCH] middle-end: Expand {u|s}dot product sup
> -Original Message-
> From: Richard Biener
> Sent: Friday, May 17, 2024 6:51 AM
> To: Victor Do Nascimento
> Cc: gcc-patches@gcc.gnu.org; Richard Sandiford ;
> Richard Earnshaw ; Victor Do Nascimento
>
> Subject: Re: [PATCH] middle-end: Expand
On Thu, May 16, 2024 at 4:40 PM Victor Do Nascimento
wrote:
>
> From: Victor Do Nascimento
>
> At present, the compiler offers the `{u|s|us}dot_prod_optab' direct
> optabs for dealing with vectorizable dot product code sequences. The
> consequence of using a direct optab for this is that
> >
> Sorry to chime in, for x86 backend, we defined usdot_prodv16hi, and
> 2-way dot_prod operations can be generated
>
This is the link https://godbolt.org/z/hcWr64vx3, x86 define
udot_prodv16qi/udot_prod8hi and both 2-way and 4-way dot_prod
instructions are generated
--
BR,
Hongtao
On Thu, May 16, 2024 at 10:40 PM Victor Do Nascimento
wrote:
>
> From: Victor Do Nascimento
>
> At present, the compiler offers the `{u|s|us}dot_prod_optab' direct
> optabs for dealing with vectorizable dot product code sequences. The
> consequence of using a direct optab for this is that
t; ; Victor Do Nascimento
> >
> > Subject: [PATCH] middle-end: Expand {u|s}dot product support in
> autovectorizer
> >
> > From: Victor Do Nascimento
> >
> > At present, the compiler offers the `{u|s|us}dot_prod_optab' direct
> > optabs for dealing wit
Hi Victor,
> -Original Message-
> From: Victor Do Nascimento
> Sent: Thursday, May 16, 2024 3:39 PM
> To: gcc-patches@gcc.gnu.org
> Cc: Richard Sandiford ; Richard Earnshaw
> ; Victor Do Nascimento
>
> Subject: [PATCH] middle-end: Expand {u|s}dot product s
On Thu, May 16, 2024, 4:40 PM Victor Do Nascimento <
victor.donascime...@arm.com> wrote:
> From: Victor Do Nascimento
>
> At present, the compiler offers the `{u|s|us}dot_prod_optab' direct
> optabs for dealing with vectorizable dot product code sequences. The
> consequence of using a direct
From: Victor Do Nascimento
At present, the compiler offers the `{u|s|us}dot_prod_optab' direct
optabs for dealing with vectorizable dot product code sequences. The
consequence of using a direct optab for this is that backend-pattern
selection is only ever able to match against one datatype -
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