From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 78112 invoked by alias); 15 Aug 2019 18:54:38 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 78103 invoked by uid 89); 15 Aug 2019 18:54:38 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-2.2 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 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, 15 Aug 2019 18:54:37 +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 x7FIsWFC004919; Thu, 15 Aug 2019 13:54:32 -0500 Received: (from segher@localhost) by gate.crashing.org (8.14.1/8.14.1/Submit) id x7FIsVE0004913; Thu, 15 Aug 2019 13:54:31 -0500 Date: Thu, 15 Aug 2019 18:54:00 -0000 From: Segher Boessenkool To: Tejas Joshi Cc: gcc@gcc.gnu.org, Martin Jambor , hubicka@ucw.cz, joseph@codesourcery.com Subject: Re: Expansion of narrowing math built-ins into power instructions Message-ID: <20190815185431.GP31406@gate.crashing.org> References: <20190812175450.GB31406@gate.crashing.org> <20190812215224.GC31406@gate.crashing.org> <20190814072127.GE31406@gate.crashing.org> <20190814202102.GI31406@gate.crashing.org> <20190814210015.GJ31406@gate.crashing.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i X-IsSubscribed: yes X-SW-Source: 2019-08/txt/msg00116.txt.bz2 On Thu, Aug 15, 2019 at 03:29:03PM +0530, Tejas Joshi wrote: > Also, in what manner should float_contract/narrow be different from > float_truncate as both are trying to do similar things? (truncation > from DF to SF) It's just a different name, nothing more, nothing less. Because it is a different name it can not be accidentally generated from actual truncations. Segher