From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 517D33858C66; Tue, 7 Mar 2023 06:03:05 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 517D33858C66 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1678168985; bh=TdVDvwfoFRK779LAO6erSL5CUrA+5PuC2Nlmb36Twk8=; h=From:To:Subject:Date:In-Reply-To:References:From; b=x7/FiRwtV+9LuLqRX1HRxCs0pwC1XaPsjONCQcda9TQ7O0iE9pL73p63/hrojp1ni PwgpAsQPrj2jyA/YD3D7iQjiRl4HUtjVoMgDf3mimjY/qSup9aaqVtHKpZVysdcEIW A3Leht+lHHi0rIeyw5gSoVJ/d5zBTBA1AShcxmPI= From: "crazylht at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/109048] [13 regression] redundant mask compare generated by vectorizer. Date: Tue, 07 Mar 2023 06:03:05 +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: 13.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: crazylht at gmail dot com 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: 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=3D109048 --- Comment #1 from Hongtao.liu --- There's also a backend misoptimization for x86 avx512 mask compare which is same as PR88570.=