From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id CC9AC38543B3; Fri, 13 Jan 2023 21:01:36 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CC9AC38543B3 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1673643696; bh=EOmqloBiwZyXLikVQ5eGhY6e86frA+acqKzLai7p55I=; h=From:To:Subject:Date:In-Reply-To:References:From; b=KVOMzNgb+97V1VS5ABSYa/XcLYX7Cv7JSyLj4rQ6tt3p1k9lVjrHB+jHkLaB5LYrZ aw/4E9uTTrrlR8y6ZhMbmQBdIRIjAILIUPxjnYzgd60Rfrz/kb77RUIBKMhDqR4bc5 8rBUmXbXpqKyPDMTKcEnZKXpcw8iFa93wHLrd3YA= From: "amacleod at redhat dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/108368] [13 Regression] Dead Code Elimination Regression at -O3 since r13-1759-gdbb093f4f15 Date: Fri, 13 Jan 2023 21:01:36 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 13.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: amacleod at redhat dot com 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: 13.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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=3D108368 --- Comment #2 from Andrew Macleod --- Not sure why it looks expensive, it is a lot cheaper than the original cache propagation was, but still gets all the cases. Regardless, the upcoming fix for 108356 fixes this PR as well.=