glibc's soft-fp as canonical home for more files

[David Miller]

From: "Joseph S. Myers" <joseph@codesourcery.com>
Date: Wed, 9 Oct 2013 23:45:55 +0000

> libgcc's copy of soft-fp includes files for conversions involving TImode 
> or XFmode that aren't in glibc's copy.
> 
> Although not used in glibc, I'd like to suggest that we put these files in 
> glibc and treat it as the canonical home for them anyway.  It's already 
> the case that there are files in glibc's soft-fp that aren't used in glibc 
> - nothing in glibc uses extended.h at all, and the TFmode files in soft-fp 
> aren't used either (quad.h is used, but in architecture-specific files).  
> So this would simply be adding more such files, and making it easier to 
> keep them in sync with soft-fp changes because such global fixes could be 
> done in soft-fp directly rather than needing to be done separately after 
> updating libgcc's copy of the shared files.
> 
> Comments?

No objections, sounds like a good idea.