From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 7050 invoked by alias); 25 Feb 2008 15:11:09 -0000 Received: (qmail 7041 invoked by uid 22791); 25 Feb 2008 15:11:08 -0000 X-Spam-Check-By: sourceware.org Received: from ns2.suse.de (HELO mx2.suse.de) (195.135.220.15) by sourceware.org (qpsmtpd/0.31) with ESMTP; Mon, 25 Feb 2008 15:10:43 +0000 Received: from Relay1.suse.de (relay-ext.suse.de [195.135.221.8]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx2.suse.de (Postfix) with ESMTP id A3C4638E84; Mon, 25 Feb 2008 16:10:40 +0100 (CET) Date: Mon, 25 Feb 2008 16:10:00 -0000 From: Richard Guenther To: Diego Novillo Cc: Andrew MacLeod , gcc-patches@gcc.gnu.org Subject: Re: [PATCH][4.4] Add a global DECL_UID -> tree mapping In-Reply-To: <47BF5EEB.2030107@google.com> Message-ID: References: <47BF1BCF.8010300@redhat.com> <47BF5EEB.2030107@google.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII 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: 2008-02/txt/msg01164.txt.bz2 On Fri, 22 Feb 2008, Diego Novillo wrote: > On 2/22/08 2:00 PM, Andrew MacLeod wrote: > > > This oughta fix the odd compile time hit we have when the hash table doesn't > > perform well too eh? I remember looking at something a few weeks ago where > > most of the operand scan time (which was needlessly excessive) was almost > > all in referenced_var hash table lookups. getting rid of that hash lookup > > is a good thing. > > Indeed. I like this change quite a bit. Thanks for working on this Richard. Applied after re-testing on x86_64-unknown-linux-gnu as r132629. Richard.