From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 3BAE13858D1E; Wed, 21 Jun 2023 05:48:50 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3BAE13858D1E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1687326530; bh=nqsTrYznpwfoCmJC11vs/DLEwBsbQ1GEv2M4KZufrwY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=RRBjIiMhjFT7PqM90jA6pvXP5QTtY+GQ/385k/DJZ7tPh2ZsS+8Bs4jO6J6Jnufhy iRjysVVarkzm+ERPEagbxLTFLcjZ6UJ6RydGcwkjDCRdFqIe7LZXilCWD71XxZ1j5Z UvvBpORi2/VeMdURaXVM8NYFkzyaf4xWE8a6/g0Y= From: "crazylht at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/110237] gcc.dg/torture/pr58955-2.c is miscompiled by RTL scheduling after reload Date: Wed, 21 Jun 2023 05:48:49 +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: crazylht at gmail dot com 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: --- 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=3D110237 --- Comment #7 from Hongtao.liu --- > So it looks like a generic problem and better to be handled in > expand_partial_{load, store}_optab_fn? There're many other places with assumption MEM_SIZE is equal to MODE_SIZE e= ven !MEM_SIZE_KNOWN_P, .i.e. ao_ref_base will rewrite size to MODE_SIZE.=