From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 12A333858C54; Fri, 14 Jul 2023 14:41:11 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 12A333858C54 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1689345672; bh=4iU4TzN42GploIsy47RpiUyA1sxpEn0t8yP0rxrLFt0=; h=From:To:Subject:Date:In-Reply-To:References:From; b=vlkN6Zp/GkEB3h9fEEjRI3JVfd5sqa3GQwfTTFUuB4kVz9ELwAm4dWfCusp80ieWQ Jj233AfNxuNaOrbuOuEWuZ0w8uNJ9WNJI4CCLTRHXenm54oQcBEzUtFcGs3R435ft4 XbXZ40VUXr4G6jNCzTREUj80GNkS4iMh4pWp+oEU= From: "hubicka at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/110649] [14 Regression] 25% sphinx3 spec2006 regression on Ice Lake and zen between g:acaa441a98bebc52 (2023-07-06 11:36) and g:55900189ab517906 (2023-07-07 00:23) Date: Fri, 14 Jul 2023 14:41:11 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: missed-optimization, needs-bisection X-Bugzilla-Severity: normal X-Bugzilla-Who: hubicka at gcc dot gnu.org X-Bugzilla-Status: NEW 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: 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=3D110649 --- Comment #4 from Jan Hubicka --- We also have PR98782 that is about sphinx being sensitive to LRA decisions.= =20 Reducing loopback probability might trigger LRA adding a spill to the loop.=