From: Richard Henderson <rth@cygnus.com>
To: Cort Dougan <cort@attis.cs.nmt.edu>
Cc: gas2@sourceware.cygnus.com
Subject: Re: ppc instructions in gas
Date: Thu, 06 May 1999 15:35:00 -0000 [thread overview]
Message-ID: <19990506153554.B10994@cygnus.com> (raw)
In-Reply-To: <19990506161159.A27229@attis.cs.nmt.edu>
On Thu, May 06, 1999 at 04:11:59PM -0600, Cort Dougan wrote:
> } Which instruction were you trying to fix? "liu" perhaps?
> } As-is, it affects instructions like "addis", and you can't
> } really add +50000, can you?
>
> You're right, addis takes a signed 16-bit number. Things like lis and oris
> take an unsigned 16-bit number, though. They both use SISIGNOPT.
Then the right thing to do is make those insns use UI instead.
Not having a ppc manual handy, can you provide a complete list
of the incorrect instructions? Or better yet, a patch? ;-)
r~
next prev parent reply other threads:[~1999-05-06 15:35 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <19990504180843.A31050@attis.cs.nmt.edu>
[not found] ` <19990505145806.H9469@cygnus.com>
[not found] ` <19990505165232.A8594@attis.cs.nmt.edu>
1999-05-06 15:07 ` Richard Henderson
[not found] ` <19990506161159.A27229@attis.cs.nmt.edu>
1999-05-06 15:35 ` Richard Henderson [this message]
[not found] ` <19990506171639.A26711@attis.cs.nmt.edu>
1999-05-06 16:56 ` Richard Henderson
[not found] ` <19990506180806.A5113@attis.cs.nmt.edu>
1999-05-06 17:49 ` Richard Henderson
[not found] ` <19990506185754.A12025@attis.cs.nmt.edu>
1999-05-06 18:43 ` Richard Henderson
1999-05-06 20:06 ` Ian Lance Taylor
1999-05-06 20:13 ` Richard Henderson
1999-05-06 20:43 ` Ian Lance Taylor
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