From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17444 invoked by alias); 8 Nov 2018 20:34:48 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 17435 invoked by uid 89); 8 Nov 2018 20:34:47 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-2.1 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.2 spammy= X-HELO: gate.crashing.org Received: from gate.crashing.org (HELO gate.crashing.org) (63.228.1.57) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 08 Nov 2018 20:34:46 +0000 Received: from gate.crashing.org (localhost.localdomain [127.0.0.1]) by gate.crashing.org (8.14.1/8.14.1) with ESMTP id wA8KYMUW030684; Thu, 8 Nov 2018 14:34:22 -0600 Received: (from segher@localhost) by gate.crashing.org (8.14.1/8.14.1/Submit) id wA8KYJad030682; Thu, 8 Nov 2018 14:34:19 -0600 Date: Thu, 08 Nov 2018 20:34:00 -0000 From: Segher Boessenkool To: Sam Tebbs Cc: Steve Ellcey , Andreas Schwab , "gcc-patches@gcc.gnu.org" , "bergner@linux.ibm.com" Subject: Re: [PATCH] combine: Do not combine moves from hard registers Message-ID: <20181108203418.GT5994@gate.crashing.org> References: <1540571945.12895.67.camel@cavium.com> <20181026164805.GN5205@gate.crashing.org> <7bc8697f-a09e-627f-b032-eba5ecb682ac@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7bc8697f-a09e-627f-b032-eba5ecb682ac@arm.com> User-Agent: Mutt/1.4.2.3i X-IsSubscribed: yes X-SW-Source: 2018-11/txt/msg00658.txt.bz2 On Thu, Nov 08, 2018 at 03:44:44PM +0000, Sam Tebbs wrote: > Does your patch fix the incorrect generation of "scvtf s1, s1"? I was > looking at the issue as well and don't want to do any overlapping work. I don't know. Well, there are no incorrect code issues I know of at all now; but you mean that it is taking an instruction more than you would like to see, I suppose? Segher