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RE: [PATCH] Workaround errata for the PMC-Sierra RM7000 cpu.


> -----Original Message-----
> From: Moore, Catherine
> Subject: RE: [PATCH] Workaround errata for the PMC-Sierra RM7000 cpu.
> 
> writes:
> > >> -----Original Message-----
> > >> From: Richard Sandiford [mailto:rdsandiford@googlemail.com]
> > >> Subject: Re: [PATCH] Workaround errata for the PMC-Sierra RM7000
> cpu.
> > >>
> > >> "Moore, Catherine" <Catherine_Moore@mentor.com> writes:
> > >> > Hi Richard,
> > >> >
> > >> > This patch implements a workaround for errors on the PMC-Sierra
> > >> > RM7000 cpu while executing the dmult or dmultu instruction.  The
> > >> > workaround is to insert three nops after the dmult/dmultu.
> > >>
> > >> Do you have any more details?  E.g. does "dmult $4,$5;addiu $6,$7,1"
> > >> cause problems?  The VR41xx series had errata like these, but it
> > >> was always between the multiplication and other references to HI/LO.
> > >

This is an updated patch that recognizes the -mifx-rm7000 option and passes it off to the assembler.

Okay to install?
Thanks,
Catherine

Attachment: pmc.cl
Description: pmc.cl

Attachment: pmc.patch
Description: pmc.patch


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