From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 36842 invoked by alias); 21 Aug 2015 19:48:47 -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 36792 invoked by uid 48); 21 Aug 2015 19:48:42 -0000 From: "aoliva at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/67295] [ARM][6 Regression] FAIL: gcc.target/arm/builtin-bswap-1.c scan-assembler-times revshne\\t 1 Date: Fri, 21 Aug 2015 19:48:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 6.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: aoliva at gcc dot gnu.org 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: 6.0 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: 2015-08/txt/msg01513.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67295 --- Comment #1 from Alexandre Oliva --- I get exactly the same code with r226900, before the copyrename patch: cmp r1, #0 rev16ne r0, r0 uxthne r0, r0 .L2: sxth r0, r0 b foos16 Did you use any other configuration flags or compiler options or assembler version or something to get you the better-optimized code?