From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 2A560381A8B5; Tue, 21 Feb 2023 12:24:59 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 2A560381A8B5 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1676982299; bh=+QOOOllY4dyYiMEhyLIGPb6/WnT5+gfNrkADuaHDFtk=; h=From:To:Subject:Date:In-Reply-To:References:From; b=xdkmTmSNSXwHy0Xym0b8VMPcx5yDrEl/HIDFBGkwRrfttpKgVq58vQRYd2FRv8j9r C/41AlIgFS9gIl9ioYaV0pl78ItDFv7ZwZ6STIjlYRW+SkTFFl5Y/AnOKq9+fPYpvk MoP2GaYf6Sy8+xXZ6nwNOoLRHQ14bjtYDuUELyv0= From: "ktkachov at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/108840] Aarch64 doesn't optimize away shift counter masking Date: Tue, 21 Feb 2023 12:24:58 +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: 13.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: ktkachov at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: ktkachov at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: assigned_to bug_status 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=3D108840 ktkachov at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|unassigned at gcc dot gnu.org |ktkachov at gcc dot= gnu.org Status|NEW |ASSIGNED --- Comment #2 from ktkachov at gcc dot gnu.org --- I have a patch to simplify and fix the aarch64 rtx costs for this case. I'll aim it for GCC 14 as it's not a regression.=