From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-return-106166-listarch-gcc=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 25347 invoked by alias); 2 Dec 2004 17:03:31 -0000
Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Archive: <http://gcc.gnu.org/ml/gcc/>
List-Post: <mailto:gcc@gcc.gnu.org>
List-Help: <http://gcc.gnu.org/ml/>
Sender: gcc-owner@gcc.gnu.org
Received: (qmail 25325 invoked from network); 2 Dec 2004 17:03:27 -0000
Received: from unknown (HELO yosemite.airs.com) (209.128.65.135)
  by sourceware.org with SMTP; 2 Dec 2004 17:03:27 -0000
Received: (qmail 21178 invoked by uid 10); 2 Dec 2004 17:03:26 -0000
Received: (qmail 5691 invoked by uid 500); 2 Dec 2004 17:03:18 -0000
From: Ian Lance Taylor <ian@wasabisystems.com>
To: "Joseph S. Myers" <joseph@codesourcery.com>
Cc: mark@codesourcery.com, gcc@gcc.gnu.org
Subject: Re: Compiler uses a lot of memory for large initialized arrays
References: <m3wtw0u1i7.fsf@gossamer.airs.com>
	<Pine.LNX.4.61.0412021631560.26457@digraph.polyomino.org.uk>
Date: Thu, 02 Dec 2004 17:03:00 -0000
In-Reply-To: <Pine.LNX.4.61.0412021631560.26457@digraph.polyomino.org.uk>
Message-ID: <m3llcgtyy1.fsf@gossamer.airs.com>
User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
X-SW-Source: 2004-12/txt/msg00128.txt.bz2

"Joseph S. Myers" <joseph@codesourcery.com> writes:

> On Thu, 2 Dec 2004, Ian Lance Taylor wrote:
> 
> > This test case works fine with 2.95.3.  Looking into the patches I
> > came across this note from you from four years ago:
> >     http://gcc.gnu.org/ml/gcc-patches/2000-10/msg00937.html
> 
> And hopefully you came across the November part of the thread as well: C99 
> designated initializers allow
> 
> int i[10000000] = { 0, 1, 2, 3, 4, 5, /* ... */
> 9999998, 9999999, [0] = -1 };
> 
> which stops optimizing in the simplest way by writing out initializers to 
> the assembler output before the whole initializer has been parsed.

Oh, ick.

Ian