.
> >
> > Thanks,
> > Di Zhao
> >
> >> -Original Message-
> >> From: Di Zhao OS
> >> Sent: Sunday, December 17, 2023 8:31 PM
> >> To: Thomas Schwinge ; gcc-patches@gcc.gnu.org
> >> Cc: Richard Biener
> >>
>> Sent: Sunday, December 17, 2023 8:31 PM
>> To: Thomas Schwinge ; gcc-patches@gcc.gnu.org
>> Cc: Richard Biener
>> Subject: RE: [PATCH v4] [tree-optimization/110279] Consider FMA in
>> get_reassociation_width
>>
>> Hello Thomas,
>>
>>>
Richard Biener
> Subject: RE: [PATCH v4] [tree-optimization/110279] Consider FMA in
> get_reassociation_width
>
> Hello Thomas,
>
> > -Original Message-
> > From: Thomas Schwinge
> > Sent: Friday, December 15, 2023 5:46 PM
> > To: Di Zhao OS ; gcc-patch
Hello Thomas,
> -Original Message-
> From: Thomas Schwinge
> Sent: Friday, December 15, 2023 5:46 PM
> To: Di Zhao OS ; gcc-patches@gcc.gnu.org
> Cc: Richard Biener
> Subject: RE: [PATCH v4] [tree-optimization/110279] Consider FMA in
> get_reassociation_width
>
Hi!
On 2023-12-13T08:14:28+, Di Zhao OS wrote:
> --- /dev/null
> +++ b/gcc/testsuite/gcc.dg/pr110279-2.c
> @@ -0,0 +1,41 @@
> +/* PR tree-optimization/110279 */
> +/* { dg-do compile } */
> +/* { dg-options "-Ofast --param tree-reassoc-width=4 --param
> fully-pipelined-fma=1 -fdump-tree-reas
> > Sent: Monday, December 11, 2023 7:01 PM
> > > > To: Di Zhao OS
> > > > Cc: gcc-patches@gcc.gnu.org
> > > > Subject: Re: [PATCH v4] [tree-optimization/110279] Consider FMA in
> > > > get_reassociation_width
> > > >
> > >
> -Original Message-
> From: Richard Biener
> Sent: Wednesday, December 13, 2023 5:01 PM
> To: Di Zhao OS
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH v4] [tree-optimization/110279] Consider FMA in
> get_reassociation_width
>
> On Wed, Dec 13, 2023 at
2023 at 6:53 PM Di Zhao OS
> > > >
> > > > wrote:
> > > > >
> > > > > > -Original Message-
> > > > > > From: Richard Biener
> > > > > > Sent: Tuesday, October 31, 2023
Hello Richard,
> -Original Message-
> From: Richard Biener
> Sent: Monday, December 11, 2023 7:01 PM
> To: Di Zhao OS
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH v4] [tree-optimization/110279] Consider FMA in
> get_reassociation_width
>
> On Wed, Nov
; > > >
> > > > wrote:
> > > > >
> > > > > Attached is a new version of the patch.
> > > > >
> > > > > > -----Original Message-
> > > > > > From: Richard Biener
> > > > > > Sen
> -Original Message-
> From: Richard Biener
> Sent: Tuesday, November 21, 2023 9:01 PM
> To: Di Zhao OS
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH v4] [tree-optimization/110279] Consider FMA in
> get_reassociation_width
>
> On Thu, Nov 9, 2023 at
Biener
> > > > Sent: Friday, October 6, 2023 5:33 PM
> > > > To: Di Zhao OS
> > > > Cc: gcc-patches@gcc.gnu.org
> > > > Subject: Re: [PATCH v4] [tree-optimization/110279] Consider FMA in
> > > > get_reassociation_width
> > > >
> -Original Message-
> From: Richard Biener
> Sent: Tuesday, October 31, 2023 9:48 PM
> To: Di Zhao OS
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH v4] [tree-optimization/110279] Consider FMA in
> get_reassociation_width
>
> On Sun, Oct 8, 2023 at
t; Subject: Re: [PATCH v4] [tree-optimization/110279] Consider FMA in
> > get_reassociation_width
> >
> > On Thu, Sep 14, 2023 at 2:43 PM Di Zhao OS
> > wrote:
> > >
> > > This is a new version of the patch on "nested FMA".
> > > Sorry for
Hello and Ping,
Thanks,
Di
> -Original Message-
> From: Di Zhao OS
> Sent: Monday, October 9, 2023 12:40 AM
> To: Richard Biener
> Cc: gcc-patches@gcc.gnu.org
> Subject: RE: [PATCH v4] [tree-optimization/110279] Consider FMA in
> get_reassociation_width
>
>
Attached is a new version of the patch.
> -Original Message-
> From: Richard Biener
> Sent: Friday, October 6, 2023 5:33 PM
> To: Di Zhao OS
> Cc: gcc-patches@gcc.gnu.org
> Subject: Re: [PATCH v4] [tree-optimization/110279] Consider FMA in
> get_reassociation_widt
On Thu, Sep 14, 2023 at 2:43 PM Di Zhao OS
wrote:
>
> This is a new version of the patch on "nested FMA".
> Sorry for updating this after so long, I've been studying and
> writing micro cases to sort out the cause of the regression.
Sorry for taking so long to reply.
> First, following previous
This is a new version of the patch on "nested FMA".
Sorry for updating this after so long, I've been studying and
writing micro cases to sort out the cause of the regression.
First, following previous discussion:
(https://gcc.gnu.org/pipermail/gcc-patches/2023-September/629080.html)
1. From testi
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