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Re: was this change to MIPS assembly intentional?
- From: "Maciej W. Rozycki" <macro at ds2 dot pg dot gda dot pl>
- To: Eric Christopher <echristo at redhat dot com>
- Cc: cgd at broadcom dot com, binutils at sources dot redhat dot com
- Date: Thu, 7 Feb 2002 13:51:47 +0100 (MET)
- Subject: Re: was this change to MIPS assembly intentional?
- Organization: Technical University of Gdansk
- Reply-to: "Maciej W. Rozycki" <macro at ds2 dot pg dot gda dot pl>
On 6 Feb 2002, Eric Christopher wrote:
> > But I wanted to be sure that it was intentional. 8-)
>
> Probably. It likely came in with the work that Thiemo is doing on
> abi/register size.
Logical immediate machine instructions use zero-extension of their 16-bit
argument as well, so it makes sense for a 64-bit ABI. For a 32-bit one it
certainly does not, as the high-order 32 bits should always be a copy of
bit 31 then.
--
+ Maciej W. Rozycki, Technical University of Gdansk, Poland +
+--------------------------------------------------------------+
+ e-mail: macro@ds2.pg.gda.pl, PGP key available +