From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 3F92A3891C20; Thu, 13 Jan 2022 10:50:35 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3F92A3891C20 From: "crazylht at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/103771] [12 Regression] Missed vectorization under -mavx512f -mavx512vl after r12-5489 Date: Thu, 13 Jan 2022 10:50:35 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: missed-optimization 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: 12.0 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 13 Jan 2022 10:50:35 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103771 --- Comment #14 from Hongtao.liu --- >=20 > But still not as good as before, since original version we only need to p= ack > data which is produced by vec_cond_expr, but now need to extraly pack mas= k. >=20 > Also for non-avx512 target, it looks like a regression for non-sve target. https://godbolt.org/z/4aavMjjG4=