From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 7F7C13858D1E; Mon, 4 Apr 2022 14:06:27 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7F7C13858D1E From: "tnfchris at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/104049] [12 Regression] vec_select to subreg lowering causes superfluous moves Date: Mon, 04 Apr 2022 14:06:27 +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, ra X-Bugzilla-Severity: normal X-Bugzilla-Who: tnfchris at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 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: Mon, 04 Apr 2022 14:06:27 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104049 --- Comment #15 from Tamar Christina --- (In reply to rsandifo@gcc.gnu.org from comment #14) >=20 > So IMO we should fix RTL representation problem that Andrew pointed > out in comment 7 as the P1 fix, then accept the other cases as a P2 > regression caused by bigger improvements elsewhere. Alright, mine then.=