From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 1F4D93858D32; Sun, 12 Nov 2023 23:59:24 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1F4D93858D32 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1699833564; bh=9KkeUenqXvRKOgiNBPCRWwunxcEDY+G6rbJf6hf8c0o=; h=From:To:Subject:Date:In-Reply-To:References:From; b=a014avz8h4wQ0zdZuLLFNkL6+qIQO9C9S5Yt0n6lz+d46y8lz+0MmEgrbc/9kpstq OMwrTkk0BWyyB64nABoVWvW7e6BjBlIurbRwryQGU+z3oLLHvoeJ1Q6A8smvIqjYy3 Vtp4ng4DSZ311UAEoRPk+TBdRpCeqAr9heE/623Y= 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: Sun, 12 Nov 2023 23:59:23 +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: 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=3D112415 --- Comment #42 from John David Anglin --- The problem is we are limiting displacements to five bits in pa_legitimate_address_p. The comment is somewhat confusing but we may have reload issues if we allow 14-bit displacements before reload completes. Testing a patch to see if we can allow 14-bit displacements before reload.=