This is the mail archive of the gcc-bugs@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]

Re: i*86 structure assignment bug with global register vars

To: Fergus Henderson <fjh at cs dot mu dot oz dot au>
Subject: Re: i*86 structure assignment bug with global register vars
From: Alexandre Oliva <aoliva at redhat dot com>
Date: 24 Oct 2000 00:58:26 -0200
Cc: Bernd Schmidt <bernds at redhat dot co dot uk>, gcc-bugs at gcc dot gnu dot org
Organization: GCC Team, Red Hat
References: <20001023062133.A5702@ender.cs.mu.oz.au><Pine.LNX.4.21.0010231107100.1279-100000@host117.cygnus><20001023235310.A7849@hg.cs.mu.oz.au>

On Oct 23, 2000, Fergus Henderson <fjh@cs.mu.oz.au> wrote:

> Well, I understand that it can't guarantee to compile every such
> program, but nevertheless it ought to be able to compile the
> particular program above.

Not if the instructions used to copy memory regions explicitly use esi
and edi, and couldn't be implemented as efficiently otherwise.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist    *Please* write to mailing lists, not to me

References:
- i*86 structure assignment bug with global register vars
  - From: Fergus Henderson
- Re: i*86 structure assignment bug with global register vars
  - From: Bernd Schmidt
- Re: i*86 structure assignment bug with global register vars
  - From: Fergus Henderson

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]