From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 246AA3858286; Fri, 24 Nov 2023 09:51:54 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 246AA3858286 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1700819514; bh=pnisxLyKRBJSFpvegbMl0HyjaIjFzqWEcQW+Bvm2rJ4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=RjN9UpCRX+rQCJftDgG/ZwH1Z/HgEGqtESnNUeDwabUUf/kJ0pQ+0VWPUsO+DCEfT xBt5MvC4wD2SmJp17CkeIwD55Ad5KZcimPs1DVusQ/uA0KQeGBagQAQKvk6DTDg9KG PYsIWXCzYAxASk3ijxE51xzYj6sJPBy52j0D39d4= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/112697] [14 Regression] 30-40% exec time regression of 433.milc on zen2 Date: Fri, 24 Nov 2023 09:51:50 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: missed-optimization, needs-bisection X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org 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: 14.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: target_milestone 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=3D112697 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |14.0 --- Comment #2 from Richard Biener --- This big jump has been seen in the past, I wonder if it's one of those micro-arch hazards regarding alignment. The only "generic" change with possibly ripple-down effects is r14-4965-ga5e69e94591ae2.=