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From: "Kewen.Lin" <linkw@linux.ibm.com>
To: Alexandre Oliva <oliva@adacore.com>
Cc: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>,
	Mike Stump <mikestump@comcast.net>,
	David Edelsohn <dje.gcc@gmail.com>,
	Segher Boessenkool <segher@kernel.crashing.org>,
	Kewen Lin <linkw@gcc.gnu.org>,
	gcc-patches@gcc.gnu.org
Subject: Re: [PATCH] [testsuite] [ppc] expect vectorization in gen-vect-11c.c
Date: Fri, 7 Apr 2023 17:57:58 +0800	[thread overview]
Message-ID: <329b117c-0a8d-97ff-320d-4e06105d22da@linux.ibm.com> (raw)
In-Reply-To: <orsfdc71fi.fsf@lxoliva.fsfla.org>

Hi Alexandre,

on 2023/4/7 12:37, Alexandre Oliva wrote:
> On Apr  6, 2023, "Kewen.Lin" <linkw@linux.ibm.com> wrote:
> 
>> on 2023/4/6 13:20, Alexandre Oliva wrote:
>>> I confirm I observe the problem with gcc-12 targeting ppc64-vx7r2,
>>> containing the backported patch, and that the loop is vectorized,
>>> failing the test.
> 
> I take that back.  My notes indicate I looked into this failure on March
> 15th.  The patch you referenced was dated Feb 10, so I assumed it was
> already in when I looked into it: my confirmation amounted to checking
> what I had observed according to my notes, and when.
> 
> But now that you asked me to investigate it again, I used a far more
> recent tree, and I failed to duplicate it.  Digging further, I found out
> the patch, despite its commit date, was only merged into gcc-12 on March
> 16th.  What I was missing to get the intended effects of the fix was
> just a fresher tree athat actually contained the fix.

aha, good to know it's not due to some differences between our ENVs or
some other mysteries. :) Thanks for checking.

> 
> I suppose this means we don't need the testsuite tweak, after all.

Yeah. :)

BR,
Kewen

> Patch withdrawn.
> 

      reply	other threads:[~2023-04-07  9:58 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-25  8:35 Alexandre Oliva
2023-03-27  7:03 ` Kewen.Lin
2023-04-06  5:20   ` Alexandre Oliva
2023-04-06  6:48     ` Kewen.Lin
2023-04-07  4:37       ` Alexandre Oliva
2023-04-07  9:57         ` Kewen.Lin [this message]

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