Re: bzero.S and assym.h (Re: CVS commit: syssrc/sys/lib/libkern/arch/powerpc)

To: "Martin J. Laubach" <mjl%emsi.priv.at@localhost>
Subject: Re: bzero.S and assym.h (Re: CVS commit: syssrc/sys/lib/libkern/arch/powerpc)
From: David Edelsohn <dje%watson.ibm.com@localhost>
Date: Sun, 02 Dec 2001 12:34:22 -0500

>>>>> "Martin J Laubach" writes:

Martin> Just as an aside, none of the other bzero implementations I
Martin> looked at (linux, darwin, hurd) did anything other than just hard-
Martin> code "32" in there.

Martin> Not sure whether that is just sloppy coding or an indication
Martin> that we are worrying about something not really relevant.

        It is sloppy coding.  PowerPC Linux failed when running in 32-bit
mode on 64-bit PowerPC processors for exactly this reason.  I also do not
believe that embedded PowerPC Linux keeps the value as 32.

David

References:
- Re: bzero.S and assym.h (Re: CVS commit: syssrc/sys/lib/libkern/arch/powerpc)
  - From: Martin J. Laubach

Prev by Date: Re: Altivec registers
Next by Date: Re: bzero.S and assym.h (Re: CVS commit: syssrc/sys/lib/libkern/arch/powerpc)
Previous by Thread: Re: bzero.S and assym.h (Re: CVS commit: syssrc/sys/lib/libkern/arch/powerpc)
Next by Thread: Re: bzero.S and assym.h (Re: CVS commit: syssrc/sys/lib/libkern/arch/powerpc)
Indexes:

Home | Main Index | Thread Index | Old Index