From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14353 invoked by alias); 20 Nov 2013 20:08:25 -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 14341 invoked by uid 89); 20 Nov 2013 20:08:24 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.2 required=5.0 tests=AWL,BAYES_40,RDNS_NONE,URIBL_BLOCKED autolearn=no version=3.3.2 X-HELO: mail3-relais-sop.national.inria.fr Received: from Unknown (HELO mail3-relais-sop.national.inria.fr) (192.134.164.104) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (CAMELLIA256-SHA encrypted) ESMTPS; Wed, 20 Nov 2013 20:08:23 +0000 Received: from stedding.saclay.inria.fr ([193.55.250.194]) by mail3-relais-sop.national.inria.fr with ESMTP/TLS/DHE-RSA-AES128-SHA; 20 Nov 2013 21:08:14 +0100 Received: from glisse (helo=localhost) by stedding.saclay.inria.fr with local-esmtp (Exim 4.80) (envelope-from ) id 1VjE4M-00038E-4r; Wed, 20 Nov 2013 21:08:14 +0100 Date: Wed, 20 Nov 2013 21:56:00 -0000 From: Marc Glisse Reply-To: gcc-patches@gcc.gnu.org To: "Joseph S. Myers" cc: Richard Biener , GCC Patches Subject: Re: Use MPFR for real.c decimal-string-to-binary conversions (PR 21718) In-Reply-To: Message-ID: References: User-Agent: Alpine 2.10 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-SW-Source: 2013-11/txt/msg02615.txt.bz2 On Wed, 20 Nov 2013, Joseph S. Myers wrote: > This patch removes real_sqrt. (I rather hope that in general little > if any floating-point constant folding is happening on RTL - it > doesn't seem like the sort of thing for which RTL expansion should be > expected to introduce new folding opportunities, and if it does I'd > tend to think that indicates a deficiency in the GIMPLE optimizers.) > > Bootstrapped with no regressions on x86_64-unknown-linux-gnu. OK to > commit? > > 2013-11-20 Joseph Myers > > * real.c (real_sqrt): Remove function. > * real.h (real_sqrt): Remove prototype. > * simplify-rtx.c (simplify_const_unary_operation): Do not fold > SQRT using real_sqrt. I think you can close PR 55950 with that one. -- Marc Glisse