X-Authentication-Warning: delorie.com: mail set sender to djgpp-bounces using -f
X-Recipient: djgpp AT delorie DOT com
X-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20161025;
        h=mime-version:in-reply-to:references:from:date:message-id:subject:to;
        bh=2UKC5VowxvYCvw+RJBMkeTvxe0OTbG1XShSyzvMG89c=;
        b=T0iG404g1dXNiODLCLuygXJnJnIBmvrJGf/WCh0UaJSvlkoa8kZGJCtinvujHwGdBI
         /L4woVegs3JPA54f30qW1kZP6DEfy5FvBuItwK9clZ8VnFdYhs6ECBUehQAmtwbKH0Cy
         Zem0YRGykdeMpIifZS80kcvnO/BRHO4VKLpjbtOVJHMPbRnnfBVngREOFdoCgUVNE1BQ
         9NkMyIe/J33vz6ikqFIwqPnrrJQWfHxQf5GZnUnOP0/3i7aw9YMOKf18VgBXagprCYL6
         /qX6FWxQbtw9nzgNGNJZJSWlQ3ofd0Yv3Nl75hoCjwm5YRQfNS43frRwF51rKjtL+4Iq
         bThg==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=1e100.net; s=20161025;
        h=x-gm-message-state:mime-version:in-reply-to:references:from:date
         :message-id:subject:to;
        bh=2UKC5VowxvYCvw+RJBMkeTvxe0OTbG1XShSyzvMG89c=;
        b=mYUkcq1QIxsrbUrUhpSaE0oXX2BRYEX2BY2KZV1l4cPrbp+FtxJnsPPEwEjnMaN5t3
         GEKsDntsQwnQjA1BetO92HAUzJ/VPPpkQmASu8VOKenFs1Eu443+sJVtrEZK6bXJvd/5
         bFmJk2JEMjhQstVqfgQ2c481Jcshdd5xfQFE+FWem4+T7XqZOmLR3OkxAA1/qjDofCiC
         A9TrD72W0Qie/c+9co1/2sJDvY5TlYPoGiMiybSfHB4Vj1hYf3wfL3UUuOQpsEXeN1qY
         JoGMtkyf6avdFj6JSOYRpxyM0SeWmoOgJrohE9BbT6kCn4xDK9M8NqXWrSk6OMxv+X/U
         Bniw==
X-Gm-Message-State: AOAM533wOcAZ2x90+VnQsqDi0UNneish2pP/tQvpP4Qs1Wrx1JBSyHOU
	5fdscbSMJm0eZWBJsvOGSbV3ERzZjNsVzKNyTufyM21X
X-Google-Smtp-Source: ABdhPJxNmZTSh3xu6otVnJvM6cSqLTKgmqXB3/asj5FW4MZhHRL2VBIE65sm5VCaYEuPTOuz7TeTxYYJPU6yHmMZM60=
X-Received: by 2002:a05:6830:210a:: with SMTP id i10mr16924615otc.145.1607881944775;
 Sun, 13 Dec 2020 09:52:24 -0800 (PST)
MIME-Version: 1.0
In-Reply-To: <CAA2C=vAj+1p9PNXSB3sJvrxFUn9SvgG6uHRSbxsx48+OsyYiwg@mail.gmail.com>
References: <5FD1FEA1 DOT 7010304 AT gmx DOT de> <CAA2C=vB2FUmrC_iboB7Mp3Uu2hLoTxWB2ptEOkjc69Az3FZU1A AT mail DOT gmail DOT com>
 <5FD2C0B9 DOT 8080208 AT gmx DOT de> <CAA2C=vAj+1p9PNXSB3sJvrxFUn9SvgG6uHRSbxsx48+OsyYiwg AT mail DOT gmail DOT com>
From: "Ozkan Sezer (sezeroz AT gmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
Date: Sun, 13 Dec 2020 20:52:23 +0300
Message-ID: <CAA2C=vBU+YB_x_rkpmEc8G_8yccXK5MivRLMf5wGO2-jTwuWVQ@mail.gmail.com>
Subject: Re: Difficulties compiling libc from repository using gcc 10.N.0
To: djgpp AT delorie DOT com
Content-Type: text/plain; charset="UTF-8"
Reply-To: djgpp AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: djgpp AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk

On 12/11/20, Ozkan Sezer <sezeroz AT gmail DOT com> wrote:
> On 12/11/20, Juan Manuel Guerrero (juan DOT guerrero AT gmx DOT de) [via djgpp AT delorie DOT com] <djgpp AT delorie DOT com> wrote:
>>> As far as I can see, this particular case is intending this
>>> using a nasty shortcut?
>> What is today a nasty shortcut was a cool one 30 years ago.
>
> No arguments there.
>
>>> Correct?  Any others like this?
>> Looks ok to me.  Will do the job; alternatively we would have to disable
>> that check.
>
> Attached a patch that applies to current CVS.
>
> However, the asm outputs differ.  Tried gcc-3.4.6 and gcc-8.2.0,
> asm outputs from both are attached here (*_0.s for original and
> *_1.s for patched.)  Also attached diffs of *.s for convenience.
> Someone good with x86 asm should verify.

Has anyone had a chance to look at this?