[PATCH v3 2/3] powerpc: Add optimized llogb* for POWER9

[Paul E Murphy]

On 3/4/21 9:00 AM, Raphael Moreira Zinsly wrote:
> Changes since v2:
> 	- Removed the  GCC version test and used the _GL_HAS_BUILTIN_ILOGB.
> 	- Removed the optimization from long double as it was converting
> 	  ibm128 to float128.
> 
> ---8<---
> 
> The POWER9 builtins used to improve the ilogb* functions can be
> used in the llogb* functions as well.
> ---

This patch looks OK.