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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.

  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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