From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 58CE93858C42; Sat, 2 Mar 2024 13:02:06 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 58CE93858C42 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1709384526; bh=KZt7LmMrYMlvK98YcPFmG0LxcdhDeOyZ/EVnnEhfkEw=; h=From:To:Subject:Date:In-Reply-To:References:From; b=muITeW+Kz1Up/XDTLTcPxR3uyMepK8UawgtHgB7EnGfuSYWY8i+JCgUMA6r20x0fu hNLIShLWCC2dYueKqYMVTa/zgGdsKid5wNQvFRwc+s6OT60DnMV/AZhP6RR9uYwS3J v6HZCqaqkKdluLAbYFkUm8iCfzTXwKketQhiUEVg= From: "gjl at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/114208] RTL DSE deletes a store that is not dead Date: Sat, 02 Mar 2024 13:02:05 +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: gjl 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: --- 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=3D114208 --- Comment #2 from Georg-Johann Lay --- (In reply to Andrew Pinski from comment #1) > I wonder if this is related to r14-6674-g4759383245ac97 . Not unlikely. PR112525 tries to eliminate dead stores for arguments that are passed. It seems like that change misses some required conditions like frame-pointer / arg-pointer adjustments.=