This is the mail archive of the gcc-patches@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: mn10300 64-bit clean-up

To: Richard Henderson <rth at cygnus dot com>
Subject: Re: mn10300 64-bit clean-up
From: Alexandre Oliva <aoliva at cygnus dot com>
Date: 20 May 2000 17:34:58 -0300
Cc: gcc-patches at gcc dot gnu dot org
Organization: Cygnus Solutions, a Red Hat Company
References: <oru2ft9p3j.fsf@tamanduatei.dcc.unicamp.br><or8zx59kav.fsf@tamanduatei.dcc.unicamp.br><20000520130503.C16789@cygnus.com>

On May 20, 2000, Richard Henderson <rth@cygnus.com> wrote:

>> ! 	    val[1] = (val[0] >> 31) >> 1;

> This doesn't seem right.

Indeed, it isn't.  It also assumes sign extension on shift right.
How about rewriting GCC in Java? :-) :-)

-- 
Alexandre Oliva    Enjoy Guaraná, see http://www.ic.unicamp.br/~oliva/
Cygnus Solutions, a Red Hat company        aoliva@{redhat, cygnus}.com
Free Software Developer and Evangelist    CS PhD student at IC-Unicamp
oliva@{lsd.ic.unicamp.br, gnu.org}   Write to mailing lists, not to me

References:
- mn10300 64-bit clean-up
  - From: Alexandre Oliva
- Re: mn10300 64-bit clean-up
  - From: Alexandre Oliva
- Re: mn10300 64-bit clean-up
  - From: Richard Henderson

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