[PATCH] powerpc: Add a POWER8-optimized version of expf()

[Tulio Magno Quites Machado Filho]

"Paul E. Murphy" <murphyp@linux.vnet.ibm.com> writes:

> On 06/23/2016 03:53 PM, Tulio Magno Quites Machado Filho wrote:
>> +#ifndef __ieee754_expf
>> +# define IS_MAIN_DEF
>> +#endif
>
>> +#ifdef IS_MAIN_DEF
>> +strong_alias (__ieee754_expf, __expf_finite)
>> +#endif
>> 
>
> This is inconsistent with many of the other ppc64
> multiarch files.
>
> Why not undef and redefine strong_alias in
> e_expf-power8.S?

It's intentional.
Because undef doesn't make it clear when the macro is defined or not.
So, you reach a code that may do nothing depending on how this file
was included.

> Similarly, the formatting seems inconsistent with
> the other PPC asm.

Could you give me more details, please?

-- 
Tulio Magno