From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 709EA3858C53; Thu, 24 Aug 2023 20:06:36 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 709EA3858C53 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1692907596; bh=4Jece1Sa0RQTfLcmEGLWiKSJ2K/Lo8QzA5L0o9rd8iM=; h=From:To:Subject:Date:In-Reply-To:References:From; b=tg4db4jnhqECj0iP6P572dLNnkFS1L2mO843Crlo284QsH6YX1pvyceR1obt4dAl+ /2MECJaCZqr39ClQaLHr0FfkhhtzMIqgg1maI7dO7K0bz1q/8PfeSJ2VbzcEfMBV9K beMeScdgxVpGTzzO2CQfZleJqHjvrkc9ioynpFbM= From: "eggert at cs dot ucla.edu" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/111143] [missed optimization] unlikely code slows down diffutils x86-64 ASCII processing Date: Thu, 24 Aug 2023 20:06:36 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 13.1.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: eggert at cs dot ucla.edu X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111143 --- Comment #2 from Paul Eggert --- Created attachment 55790 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D55790&action=3Dedit asm code that's 38% faster on my platform=