From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6236 invoked by alias); 23 Aug 2012 07:58:13 -0000 Received: (qmail 6225 invoked by uid 22791); 23 Aug 2012 07:58:11 -0000 X-SWARE-Spam-Status: No, hits=-5.0 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,KHOP_RCVD_TRUST,KHOP_THREADED,RCVD_IN_DNSWL_LOW,RCVD_IN_HOSTKARMA_YE X-Spam-Check-By: sourceware.org Received: from mail-lpp01m010-f47.google.com (HELO mail-lpp01m010-f47.google.com) (209.85.215.47) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 23 Aug 2012 07:57:48 +0000 Received: by lagv3 with SMTP id v3so267802lag.20 for ; Thu, 23 Aug 2012 00:57:46 -0700 (PDT) Received: by 10.112.29.233 with SMTP id n9mr441071lbh.91.1345708666266; Thu, 23 Aug 2012 00:57:46 -0700 (PDT) MIME-Version: 1.0 Received: by 10.112.6.67 with HTTP; Thu, 23 Aug 2012 00:57:26 -0700 (PDT) In-Reply-To: References: From: Steven Bosscher Date: Thu, 23 Aug 2012 07:58:00 -0000 Message-ID: Subject: Re: [PATCH][RFC] Virtual operands in loop-closed SSA form To: Richard Guenther Cc: gcc-patches@gcc.gnu.org Content-Type: text/plain; charset=ISO-8859-1 X-IsSubscribed: yes 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 X-SW-Source: 2012-08/txt/msg01552.txt.bz2 On Thu, Aug 23, 2012 at 9:35 AM, Richard Guenther wrote: > + The same applies to virtual operands which are also rewritten into > + loop closed SSA form. Note that virtual operands are always live > + until function exit. Ouch! What does this do to the memory foot print and compile time for PR54146? Ciao! Steven