From mboxrd@z Thu Jan  1 00:00:00 1970
From: "H . J . Lu" <hjl@lucon.org>
To: egcs-bugs@egcs.cygnus.com, egcs@egcs.cygnus.com
Subject: Re: An ia32 asm bug?
Date: Wed, 07 Jun 2000 21:06:00 -0000
Message-id: <20000607210600.A22293@lucon.org>
References: <20000607210153.A23402@valinux.com>
X-SW-Source: 2000-06/msg00227.html

On Wed, Jun 07, 2000 at 09:01:53PM -0700, H . J . Lu wrote:
> # gcc -S -O2 fs.c
> fs.c: In function `foo':
> fs.c:5: invalid lvalue in asm statement
> 
> 
> -- 
> H.J. Lu (hjl@gnu.org)
> ---
> int
> foo ()
> {
> int x;
> __asm__("mov %%fs,%0":"=r" ((unsigned short) x));
> return x;
> }

It is for gcc 2.96. It seems that

__asm__("mov %%fs,%0":"=r" (x));

works.


H.J.