From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 39150 invoked by alias); 27 Feb 2015 15:57:30 -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 39118 invoked by uid 48); 27 Feb 2015 15:57:26 -0000 From: "ktkachov at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/65235] [4.8/4.9/5 Regression] Simplifying vec_select of vec_concat miscompiles when first element of vec_concat is const_int Date: Fri, 27 Feb 2015 16:53:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: ktkachov at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: ktkachov at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.5 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created 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: 2015-02/txt/msg03096.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65235 --- Comment #5 from ktkachov at gcc dot gnu.org --- Created attachment 34891 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34891&action=edit Self-contained testcase Here's a testcase with the relevant parts of arm_neon.h extracted. This aborts for me on aarch64-none-linux-gnu and aarch64-none-elf