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From: Jeff Law <jeffreyalaw@gmail.com>
To: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH 1/1] [fwprop]: Add the support of forwarding the vec_duplicate rtx
Date: Tue, 17 Jan 2023 15:37:58 -0700	[thread overview]
Message-ID: <a3e531eb-c40a-1bb9-a9b6-725c34387378@gmail.com> (raw)
In-Reply-To: <mpt3589rw06.fsf@arm.com>



On 1/17/23 09:00, Richard Sandiford via Gcc-patches wrote:

> 
> But the idea of the fwprop change looks OK to me in principle.
> What we have now seems conservative, based on heuristics that
> haven't been updated in a long time.  So relaxing them a bit seems
> like a good idea.  IIRC Jeff had another case in which the current
> heuristics were too strict.
Two actually, though neither is relevant to this particular problem.

Jeff

  reply	other threads:[~2023-01-17 22:38 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-13  9:42 lehua.ding
2023-01-13 10:59 ` juzhe.zhong
2023-01-17 16:00 ` Richard Sandiford
2023-01-17 22:37   ` Jeff Law [this message]
2023-01-18  0:49   ` 丁乐华
2023-01-18  9:07     ` Richard Sandiford
  -- strict thread matches above, loose matches on Subject: below --
2023-01-13  9:14 lehua.ding

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