From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 992903858C98; Fri, 22 Mar 2024 07:50:20 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 992903858C98 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1711093820; bh=rmF+ZAIvngVjTXBJ6sl2Yd2/LIj05sMe5eETf8j8u6A=; h=From:To:Subject:Date:In-Reply-To:References:From; b=C8nhdZSQNWQW9PGS4i1+JZ0NODefFnz2dBmcKUpet6NwDshqByShJ0R2TfqrPHF80 Z/RYVPDOm9DHLA+doV7fU9o0lkLp+MNrziMBO+NmtTJPizuRJCRqZm59XUL3ZytueM +W8g2avYoILO/nb8W3RZ/DXaynBafTToSp2+TglQ= From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/111683] [11/12/13/14 Regression] Incorrect answer when using SSE2 intrinsics with -O3 since r7-3163-g973625a04b3d9351f2485e37f7d3382af2aed87e Date: Fri, 22 Mar 2024 07:50:19 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 10.2.1 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 11.5 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=3D111683 --- Comment #18 from Jakub Jelinek --- Using wi::multiple_of_p is what I've tried first but that regressed the generated code for pr71083.c (the test still PASSed, but predcom no longer triggered on it). I think it has access size 3 and step 4, so step is not a multiple of access size, but that is not a problem, all we actually care about is just if acce= ss size isn't bigger than step.=