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From: Richard Sandiford <richard.sandiford@arm.com>
To: Segher Boessenkool <segher@kernel.crashing.org>
Mail-Followup-To: Segher Boessenkool <segher@kernel.crashing.org>,Jeff Law via Gcc-patches <gcc-patches@gcc.gnu.org>,  Tamar Christina <Tamar.Christina@arm.com>,  Roger Sayle <roger@nextmovesoftware.com>,  Jeff Law <jeffreyalaw@gmail.com>, richard.sandiford@arm.com
Cc: Jeff Law via Gcc-patches <gcc-patches@gcc.gnu.org>,  Tamar Christina <Tamar.Christina@arm.com>,  Roger Sayle <roger@nextmovesoftware.com>,  Jeff Law <jeffreyalaw@gmail.com>
Subject: Re: [PATCH] combine: Try harder to form zero_extends [PR106594]
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Date: Mon, 06 Mar 2023 15:08:00 +0000
In-Reply-To: <20230306135850.GN25951@gate.crashing.org> (Segher Boessenkool's
	message of "Mon, 6 Mar 2023 07:58:50 -0600")
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Segher Boessenkool <segher@kernel.crashing.org> writes:
> On Mon, Mar 06, 2023 at 12:47:06PM +0000, Richard Sandiford wrote:
>> How about the patch below?
>
> What about it?  What would make it any better than the previous?

It does what Jeff suggested in the quoted message: work within the existing
extract/make_compound_operation scheme rather than try to opt out of it.

Richard