[patch][0/5] powerpc V2 : Add support to fully comply with IEEE-754 standard

Zhu Ebony-r57400 ebony.zhu at freescale.com
Thu Feb 8 16:40:18 EST 2007


 

> -----Original Message-----
> From: Kumar Gala [mailto:galak at kernel.crashing.org] 
> Sent: Thursday, February 08, 2007 1:19 PM
> To: Zhu Ebony-r57400
> Cc: paulus at samba.org; linuxppc-dev at ozlabs.org
> Subject: Re: [patch][0/5] powerpc V2 : Add support to fully 
> comply with IEEE-754 standard
> 
> 
> On Feb 7, 2007, at 9:50 PM, Zhu Ebony-r57400 wrote:
> 
> > Hi Paul,
> >
> > These are the re-sent patches to add support to fully comply with
> > IEEE-754 standard for E500/E500v2 core when hardware floating point 
> > compiling is used. Comparison with last patches I've submitted, the 
> > following points was changed:
> >
> > 1. Add a rounding exception handler, to handle the exceptions that 
> > would occur when rounding towards +Inf/-Inf
> >
> > 2. Using the existing exception entering/returning routine, and get 
> > the exception instructions from regs->nip instead of 
> reading from SRR0
> >
> > Thank you all for the comments you gave to me!
> 
> Did you end up getting testfloat running?  I'd like to see 
> some testing results before accepting these patches.  I think 
> testfloat is our best bet at this point.
> 
> - k

not yet, since it needs to be ported to powerpc platform. I will do it
as soon as possible.

B.R.
Ebony



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