From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 668E63858C60; Tue, 14 May 2024 09:04:56 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 668E63858C60 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1715677496; bh=46R3b67LTuv7Mj7OCpROfLkjnPGZUhDWXJY8SQ/URiI=; h=From:To:Subject:Date:In-Reply-To:References:From; b=M2K3bcwWdWjt6vgM7DBh5jdHSZmJ4DJ6K+7sCBclUviXe3z5e9GsZfWruoNH8Ihjk Jn0eTK1NuJHxIGqTBhnBHCT2NQSN7fu8edECSGefpw9SbcfjSzMfkxSiNXdQxU6Lvt mCBqerrU93iHVL7uD7YpEdHgpzxZ4QTK5bOXs/Pw= From: "aldyh at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/114995] C++23 Assume keyword not being used for vectorization Date: Tue, 14 May 2024 09:04:55 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 15.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: aldyh 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: attachments.created 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=3D114995 --- Comment #10 from Aldy Hernandez --- Created attachment 58202 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D58202&action=3Dedit proof of concept implementing a range-op entry for builtin_assume_aligned Something like this (properly coded and enhanced) would work. The pointers_handled_p() cruft is temporary boilerplate to indicate that we only support a fold-range() of PRANGE =3D IRANGE op PRANGE for this operati= on.=20 This is going away when the dust settles.=