From: Joern Rennecke <amylaar@cygnus.co.uk>
To: bcurrie@tssc.co.nz (Bill Currie)
Cc: law@cygnus.com, ak@muc.de, egcs@cygnus.com
Subject: Re: Feature request: ability to describe x86 register halves as contraints.
Date: Thu, 02 Jul 1998 15:15:00 -0000 [thread overview]
Message-ID: <199807022137.WAA08168@phal.cygnus.co.uk> (raw)
In-Reply-To: <359BFC8F.124B@tssc.co.nz>
> I'd thought of that, but the problem is the floating point regs. This
> would work nicely for the integer registers, but the i860 groups the fp
> regs into pairs for DI mode regs:
>
> MSW LSW
> %f1 %f0
> %f3 %f2
> ...
> %f31 %f30
>
> And the pairs must always be referred to by the lower regiters (%f0, %f2
> ... %f30).
You would have then to use some special code to print register pairs.
next prev parent reply other threads:[~1998-07-02 15:15 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <359ABD84.2FC4@tssc.co.nz>
1998-07-02 1:39 ` Jeffrey A Law
1998-07-02 1:39 ` Bill Currie
1998-07-02 1:39 ` Jeffrey A Law
1998-07-03 0:12 ` Bill Currie
1998-07-02 11:02 ` Joern Rennecke
1998-07-02 15:15 ` Bill Currie
1998-07-02 15:15 ` Joern Rennecke [this message]
1998-07-01 13:20 Michael Meissner
1998-07-01 20:15 ` Joern Rennecke
-- strict thread matches above, loose matches on Subject: below --
1998-06-29 20:41 ak
1998-06-30 0:42 ` Richard Henderson
1998-06-30 4:50 ` ak
1998-06-30 19:49 ` Alan Modra
1998-06-30 19:49 ` Andreas Kleen
1998-06-30 14:08 ` Jeffrey A Law
1998-06-30 9:24 ` Richard Henderson
1998-06-30 1:02 ` Jeffrey A Law
1998-06-30 11:53 ` Joern Rennecke
1998-06-30 11:53 ` Jeffrey A Law
1998-07-01 3:42 ` Richard Henderson
1998-06-30 15:15 ` Bill Currie
1998-06-30 15:26 ` Jeffrey A Law
1998-06-30 23:15 ` Bill Currie
1998-06-30 19:49 ` Jeffrey A Law
1998-07-01 10:51 ` Joern Rennecke
1998-07-01 10:51 ` Jeffrey A Law
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