From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 25016 invoked by alias); 26 Nov 2001 11:15:55 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 24978 invoked from network); 26 Nov 2001 11:15:49 -0000 Received: from unknown (HELO vlsi1.ultra.nyu.edu) (128.122.140.213) by sourceware.cygnus.com with SMTP; 26 Nov 2001 11:15:49 -0000 Received: by vlsi1.ultra.nyu.edu (4.1/1.34) id AA00273; Mon, 26 Nov 01 06:10:12 EST Date: Fri, 16 Nov 2001 09:26:00 -0000 From: kenner@vlsi1.ultra.nyu.edu (Richard Kenner) Message-Id: <10111261110.AA00273@vlsi1.ultra.nyu.edu> To: rth@redhat.com Subject: Re: ICE in change_address at emit_rtl.c Cc: gcc@gcc.gnu.org X-SW-Source: 2001-11/txt/msg00735.txt.bz2 Being able to optimize at the tree level. I disbelieve we'll be able to do that properly given the less than precise semantics of SAVE_EXPR. I don't follow. For most purposes of tree-level optimization they are nops, except that they aren't invalidated by stores to things that are in the expression in their operand. From mboxrd@z Thu Jan 1 00:00:00 1970 From: kenner@vlsi1.ultra.nyu.edu (Richard Kenner) To: rth@redhat.com Cc: gcc@gcc.gnu.org Subject: Re: ICE in change_address at emit_rtl.c Date: Mon, 26 Nov 2001 03:15:00 -0000 Message-ID: <10111261110.AA00273@vlsi1.ultra.nyu.edu> X-SW-Source: 2001-11/msg01239.html Message-ID: <20011126031500.-YOYOs2xl2UPuN6_R2cAvGn4JS6u0okQgWp6rmYbyxo@z> Being able to optimize at the tree level. I disbelieve we'll be able to do that properly given the less than precise semantics of SAVE_EXPR. I don't follow. For most purposes of tree-level optimization they are nops, except that they aren't invalidated by stores to things that are in the expression in their operand.