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From: Matthew Wilcox <matthew@wil.cx>
To: John David Anglin <dave@hiauly1.hia.nrc.ca>
Cc: parisc-linux@parisc-linux.org
Subject: Re: [parisc-linux] Space registers and how to use them
Date: Sun, 25 Sep 2005 12:17:56 -0600	[thread overview]
Message-ID: <20050925181756.GD1459@parisc-linux.org> (raw)
In-Reply-To: <200509251743.j8PHhw4w013823@hiauly1.hia.nrc.ca>

On Sun, Sep 25, 2005 at 01:43:58PM -0400, John David Anglin wrote:
> As a coding note, it's best not to specify sr0 in instructions which
> use the base register selection mechanism.

I'd be happiest if it were illegal actually.  I wonder how much code
that'd break though ...

Can we make it emit a warning?  Something like
"sr0 not allowed for this instruction, using short pointer addressing instead"
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      reply	other threads:[~2005-09-25 18:17 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-25  3:43 [parisc-linux] Space registers and how to use them Matthew Wilcox
     [not found] ` <43367383.6030307@tiscali.be>
2005-09-25 17:35   ` Grant Grundler
2005-09-25 18:03     ` John David Anglin
2005-10-06  4:59       ` Grant Grundler
2005-09-25 17:43 ` John David Anglin
2005-09-25 18:17   ` Matthew Wilcox [this message]

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