From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) by sourceware.org (Postfix) with ESMTP id 3FB803858D39 for ; Mon, 6 Mar 2023 13:59:56 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 3FB803858D39 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=kernel.crashing.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=kernel.crashing.org Received: from gate.crashing.org (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id 326Dwpgp028722; Mon, 6 Mar 2023 07:58:51 -0600 Received: (from segher@localhost) by gate.crashing.org (8.14.1/8.14.1/Submit) id 326DwoFf028721; Mon, 6 Mar 2023 07:58:50 -0600 X-Authentication-Warning: gate.crashing.org: segher set sender to segher@kernel.crashing.org using -f Date: Mon, 6 Mar 2023 07:58:50 -0600 From: Segher Boessenkool To: Jeff Law via Gcc-patches , Tamar Christina , Roger Sayle , Jeff Law , richard.sandiford@arm.com Subject: Re: [PATCH] combine: Try harder to form zero_extends [PR106594] Message-ID: <20230306135850.GN25951@gate.crashing.org> References: <000c01d94ec7$a6921430$f3b63c90$@nextmovesoftware.com> <20230304221749.GK25951@gate.crashing.org> <3b1ed616-5d90-7a66-63b5-bdb5e320eebf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i X-Spam-Status: No, score=-2.9 required=5.0 tests=BAYES_00,JMQ_SPF_NEUTRAL,KAM_DMARC_STATUS,SPF_HELO_PASS,SPF_PASS,TXREP autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: 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? Oh, and please do not send new patches in old threads :-( Segher