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Re: [PATCH] [POWERPC] Fix PR44419


On Fri, 2010-06-04 at 17:05 -0500, Peter Bergner wrote:
> On Fri, 2010-06-04 at 16:56 -0500, Edmar Wienskoski-RA8797 wrote:
> > If I don't split DD mode, i.e., use the patch you suggest above, I get 
> > this ICE when I do a x86 cross build.
> > You see that e500v2 uses soft float for DD mode.
> 
> Are you saying the e500v2 uses hard-float for DFmode but soft-float
> for DDmode?  That doesn't make any sense.  Either you have FP registers
> for both DFmode and DDmode values or you don't.  Hard-float for DDmode
> doesn't mean you have to have DFP HW instructions.

Joseph pointed me at his E500 fix:

  http://gcc.gnu.org/ml/gcc-patches/2008-06/msg00270.html

which seems to show we indeed do not want to handle DDmode similarly
to DFmode on E500.  I stand corrected and I guess your patch is ok
as is.  Of course, I cannot approve it.

Peter




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