From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29983 invoked by alias); 29 Apr 2015 20:59:01 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 29941 invoked by uid 55); 29 Apr 2015 20:58:57 -0000 From: "uros at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/65871] bzhi builtin/intrinsic wrongly assumes bzhi instruction doesn't set the ZF flag Date: Wed, 29 Apr 2015 20:59:00 -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: 5.1.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: uros at gcc dot gnu.org 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: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-04/txt/msg02562.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65871 --- Comment #6 from uros at gcc dot gnu.org --- Author: uros Date: Wed Apr 29 20:58:25 2015 New Revision: 222592 URL: https://gcc.gnu.org/viewcvs?rev=222592&root=gcc&view=rev Log: PR target/65871 * config/i386/i386.md (*bmi_bextr__cczonly): New pattern. (*bmi2_bzhi_3_1_cczonly): Ditto. (setcc+movzbl peephole2): Check also clobbered reg. (setcc+andl peephole2): Ditto. Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.md