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 15:07:00 -0000 [thread overview]
Message-ID: <19990506150724.A10994@cygnus.com> (raw)
In-Reply-To: <19990505165232.A8594@attis.cs.nmt.edu>
On Wed, May 05, 1999 at 04:52:32PM -0600, Cort Dougan wrote:
> The signed change at the top makes sense with what the manual says. The
> operand in questions should be a 16-bit unsigned immediate value not signed
> (as it was before).
[...]
> /* The SI field in a D form instruction when we accept a wide range
> of positive values. */
> #define SISIGNOPT SI + 1
> - { 16, 0, 0, 0, PPC_OPERAND_SIGNED | PPC_OPERAND_SIGNOPT },
> + { 16, 0, 0, 0, /*PPC_OPERAND_SIGNED |*/ PPC_OPERAND_SIGNOPT },
Looking at this again, I wonder if this change is correct.
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?
r~
next parent reply other threads:[~1999-05-06 15:07 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 [this message]
[not found] ` <19990506161159.A27229@attis.cs.nmt.edu>
1999-05-06 15:35 ` Richard Henderson
[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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