[PATCHv2 1/5] Merge common usage of mul_split function

[Paul E. Murphy]

On 08/18/2016 06:45 PM, Joseph Myers wrote:
> On Thu, 18 Aug 2016, Paul E. Murphy wrote:
> 
>> A number of files share identical code for the
>> mul_split function.
>>
>> This moves the duplicated function mul_split into its
>> own header, and refactors the fma usage into a single
>> selection macro.  Likewise, mul_split when used by a
>> long double implementation is renamed mul_splitl for
>> clarity.
> 
> This patch is OK.
> 

Committed as 4482ff2.