From: Segher Boessenkool <segher@kernel.crashing.org>
To: gcc-patches@gcc.gnu.org, jlaw@ventanamicro.com,
rdapp.gcc@gmail.com, richard.sandiford@arm.com
Subject: Re: [PATCH] Add a late-combine pass [PR106594]
Date: Sat, 30 Dec 2023 12:13:28 -0600 [thread overview]
Message-ID: <20231230181328.GX19790@gate.crashing.org> (raw)
In-Reply-To: <mptr0ljn9eh.fsf@arm.com>
Hi!
On Tue, Oct 24, 2023 at 07:49:10PM +0100, Richard Sandiford wrote:
> This patch adds a combine pass that runs late in the pipeline.
But it is not. It is a completely new thing, and much closer to
fwprop than to combine, too.
Could you rename it to something else, please? Something less confusing
to both users and maintainers :-)
> There are two instances: one between combine and split1,
So, what kind of things does this do that the real combine does not?
And, same question but for fwprop. That would be the crucial motivation
for why we want to have this new pass at all :-)
> The pass currently has a single objective: remove definitions by
> substituting into all uses.
The easy case ;-)
Segher
next prev parent reply other threads:[~2023-12-30 18:14 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-24 18:49 Richard Sandiford
2023-11-30 14:10 ` Ping: " Richard Sandiford
2023-12-11 15:23 ` Richard Sandiford
2023-12-11 16:18 ` Robin Dapp
2023-12-30 15:35 ` Ping^3: " Richard Sandiford
2024-01-01 3:11 ` YunQiang Su
2024-01-05 10:10 ` YunQiang Su
2023-12-30 18:13 ` Segher Boessenkool [this message]
2024-01-02 9:47 ` Richard Sandiford
2024-06-24 19:37 ` Segher Boessenkool
2024-06-25 10:31 ` Richard Biener
2024-06-25 17:22 ` YunQiang Su
2024-01-03 4:20 ` Jeff Law
2024-01-05 17:35 ` Richard Sandiford
2024-01-08 5:03 ` Jeff Law
2024-01-08 11:52 ` Richard Sandiford
2024-01-08 16:14 ` Jeff Law
2024-01-08 16:59 ` Richard Sandiford
2024-01-08 17:10 ` Jeff Law
2024-01-08 19:11 ` Richard Sandiford
2024-01-08 21:42 ` Jeff Law
2024-01-10 13:01 ` Richard Sandiford
2024-01-10 13:35 ` Richard Biener
2024-01-10 16:27 ` Jeff Law
2024-01-10 16:40 ` Jeff Law
2024-06-21 4:50 ` Hongtao Liu
2024-06-27 16:49 ` nvptx vs. " Thomas Schwinge
2024-06-27 20:27 ` Thomas Schwinge
2024-06-27 21:20 ` Thomas Schwinge
2024-06-27 22:41 ` Thomas Schwinge
2024-06-28 14:01 ` Richard Sandiford
2024-06-28 16:48 ` Richard Sandiford
2024-07-01 11:55 ` Thomas Schwinge
2024-07-01 11:55 ` WIP Move 'pass_fast_rtl_dce' from 'pass_postreload' into 'pass_late_compilation' (was: nvptx vs. [PATCH] Add a late-combine pass [PR106594]) Thomas Schwinge
2024-06-28 6:07 ` nvptx vs. [PATCH] Add a late-combine pass [PR106594] Roger Sayle
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