PATCH: optimized expf for x86_32

[Andreas Jaeger]

On 04/05/2012 01:34 PM, Dmitrieva Liubov wrote:
> Hello,
>
> Code was replaced to  sysdeps/i386/i686/multiarch. New patch is attached.

I wonder whether this shouldn't be sysdeps/i386/i686/fpu/multiarch - 
this is at least in agreement what we do with sparc and x86-64.

Andreas

> My performance data was about  { expf (which uses __ieee754_expf),
> __ieee754_expf } not about  { __expf_finite, __ieee754_expf }. Sorry
> for misprint in names at my previous letter.
> We didn't check __expf_finite but believe it becomes faster as well.
>
>
> 2012-04-05  Liubov Dmitrieva<liubov.dmitrieva@gmail.com>
>
> 	* sysdeps/i386/i686/multiarch/Makefile: Add
> 	(libm-sysdep_routines): e_expf-sse2 e_expf_finite.sse2 init-arch
> 	* sysdeps/i386/i686/multiarch/e_expf.S: New file.
> 	* sysdeps/i386/i686/multiarch/e_expf-sse2.S: New file.
> 	* sysdeps/i386/i686/multiarch/e_expf_finite-sse2.S: New file.


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