From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 0D03E3858CDB; Sat, 11 Nov 2023 20:06:27 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0D03E3858CDB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1699733188; bh=IhKpGHGi1smBGxx2IyS4nxdIdRMNQf6mfXcClmOeN+s=; h=From:To:Subject:Date:In-Reply-To:References:From; b=GX+OUKZlGg9fJ7qfy0+lz4oUz8NutufKjiu4+oc48ZqOVCmisIM6ncjU6hhjTFFf2 MUwySU/KlWHaCbgHPyrEd9smml28H9sSAnRREtzJFpF4E/jXmpDQ4QJKJEWz8Fm49X 7NoGAbkfj4W6xXie2Fxi73nn32rprQ8lYE/b6Xp4= From: "danglin at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/112415] [14 regression] Python 3.11 miscompiled on HPPA with new RTL fold mem offset pass, since r14-4664-g04c9cf5c786b94 Date: Sat, 11 Nov 2023 20:06:27 +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: 14.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: danglin 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: 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=3D112415 --- Comment #37 from John David Anglin --- (In reply to Sam James from comment #35) > If you still need dumps off me, please let me know which. I've attached > those w/ f-o-m on for the fold-mem-offsets pass. If you need others, just > say. I have a set of dumps. The problem is determining where the wrong RTL occurs in compiler_call_helper. It changes a lot in pass to pass. Many of the changes in f-m-o seem to get destroyed by later transformations= .=