[PATCH RFC] Update kernel math-emu code from current glibc soft-fp

[David Miller]

From: Joseph Myers <joseph at codesourcery.com>
Date: Thu, 19 Feb 2015 18:40:34 +0000

> On Thu, 19 Feb 2015, David Miller wrote:
> 
>> From: Joseph Myers <joseph at codesourcery.com>
>> Date: Fri, 6 Feb 2015 17:25:29 +0000
>> 
>> > * On SPARC, comparisons now use raw unpacking (this should not in fact
>> >   change how the emulation behaves, just make it more efficient).
>> 
>> I did a sparc64 test build and it failed like so:
 ...
> Please try this patch on top of the previous one.  The way abort is 
> redefined in the kernel code doesn't work for one place using it in an 
> expression; this patch changes a comma expression to a statement 
> expression.  This didn't appear in my powerpc testing because the powerpc 
> emulation never uses FP_FROM_INT; I'm not sure how Kaz's sh testing 
> avoided the problem appearing there.
> 
> diff --git a/include/math-emu/op-common.h b/include/math-emu/op-common.h
> index b9f5e1a..8c059c3 100644
> --- a/include/math-emu/op-common.h
> +++ b/include/math-emu/op-common.h

That fixes the build for 64-bit sparc, thanks Joseph.

I'll try to do some functional testing now.