[PATCH] Add generic HAVE_RM_CTX implementation

[Joseph S. Myers]

On Fri, 23 May 2014, Wilco wrote:

> I think it should be possible to significantly reduce the complexity
> by removing the _f and _l variants (AFAIK all FPUs have only one set
> of FP status flags irrespectively of precision), and conditionally 

The point of these variants is to allow x86_64 to manipulate 
floating-point state only for SSE for functions not using long double (for 
example).

-- 
Joseph S. Myers
joseph@codesourcery.com