From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-patches-return-295134-listarch-gcc-patches=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 8194 invoked by alias); 23 Jun 2011 20:15:51 -0000
Received: (qmail 8183 invoked by uid 22791); 23 Jun 2011 20:15:50 -0000
X-SWARE-Spam-Status: No, hits=-2.4 required=5.0	tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW,RFC_ABUSE_POST
X-Spam-Check-By: sourceware.org
Received: from mail-ey0-f175.google.com (HELO mail-ey0-f175.google.com) (209.85.215.175)    by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 23 Jun 2011 20:15:34 +0000
Received: by eye27 with SMTP id 27so846078eye.20        for <gcc-patches@gcc.gnu.org>; Thu, 23 Jun 2011 13:15:33 -0700 (PDT)
Received: by 10.14.17.129 with SMTP id j1mr1672429eej.121.1308860133182; Thu, 23 Jun 2011 13:15:33 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.14.101.12 with HTTP; Thu, 23 Jun 2011 13:15:12 -0700 (PDT)
In-Reply-To: <4DF93B17.8020008@redhat.com>
References: <4DF0FAB5.6070704@gjlay.de> <BANLkTi=1v9KGgCL0V0+i=LOtbCh51FLm+A@mail.gmail.com> <4DF11D20.4030907@gjlay.de> <BANLkTi=VAo8UcLDsvBp5vWk3qaO5RQvAKg@mail.gmail.com> <4DF1ED76.4030507@gjlay.de> <BANLkTi=P0zopComgS6FDZ=cg3s9sDuKNHg@mail.gmail.com> <4DF650B7.3030705@gjlay.de> <BANLkTimPjxMw48oExFWLtDcdB=3nb_VH0g@mail.gmail.com> <4DF73490.2080709@gjlay.de> <BANLkTim=EZDDtSxpE0b0aU7wjcxynsyUqg@mail.gmail.com> <4DF7D2B5.1090708@gjlay.de> <4DF8ED42.1030706@redhat.com> <4DF918A9.4070003@gjlay.de> <4DF92AEA.4000906@redhat.com> <4DF93B17.8020008@redhat.com>
From: Denis Chertykov <chertykov@gmail.com>
Date: Thu, 23 Jun 2011 20:48:00 -0000
Message-ID: <BANLkTimrSz4-0tTw-iai0g=6Ry-jQ+ydTQ@mail.gmail.com>
Subject: Re: [Patch, AVR]: Fix PR46779
To: Richard Henderson <rth@redhat.com>
Cc: Georg-Johann Lay <avr@gjlay.de>, gcc-patches@gcc.gnu.org, Anatoly Sokolov <aesok@post.ru>, 	"Eric B. Weddington" <eric.weddington@atmel.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-patches.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-patches/>
List-Post: <mailto:gcc-patches@gcc.gnu.org>
List-Help: <mailto:gcc-patches-help@gcc.gnu.org>
Sender: gcc-patches-owner@gcc.gnu.org
X-SW-Source: 2011-06/txt/msg01819.txt.bz2

2011/6/16 Richard Henderson <rth@redhat.com>:
> On 06/15/2011 02:58 PM, Richard Henderson wrote:
>> Indeed, I can work around this particular crash by either
>> hacking Z to be call-saved, or hacking the frame pointer to
>> not be required. =C2=A0The former of course changes the abi, and
>> the second produces awful code due to too many copies from
>> the stack pointer. =C2=A0So neither option is "preferred".
>
> Perhaps I spoke too soon re the frame pointer. =C2=A0The old
> code is even worse.
>
> =C2=A0 text =C2=A0 =C2=A0data =C2=A0 =C2=A0 bss =C2=A0 =C2=A0 dec =C2=A0 =
=C2=A0 hex filename
> =C2=A010032 =C2=A0 =C2=A0 =C2=A025 =C2=A0 =C2=A0 =C2=A0 0 =C2=A0 10057 =
=C2=A0 =C2=A02749 bld-avr-orig/gcc/z.o
> =C2=A0 5816 =C2=A0 =C2=A0 =C2=A025 =C2=A0 =C2=A0 =C2=A0 0 =C2=A0 =C2=A058=
41 =C2=A0 =C2=A016d1 bld-avr-new/gcc/z.o

Richard, can you send me this z.c file ?
Right now I'm notice that new code is worse.

Denis.