[PATCH 13/13] Use GCC builtins for copysign functions if desired.

[Stefan Liebler]

On 12/4/19 9:43 PM, Joseph Myers wrote:
> On Wed, 4 Dec 2019, Stefan Liebler wrote:
> 
>> Okay. Then I've removed the macros for float and double and call the builtins
>> unconditionally.
>> But I still need the long double version as the f128 builtin is not available
>> with every GCC version.
> 
> I think the _Float128 version could be defined to 1 for GCC 7 and later
> (so both long double and _Float128 versions could be removed once we
> require GCC 7 or later to build glibc).
> 
Okay. I've defined it to 1 for GCC 7 and later.

Bye
Stefan
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