[PATCH] Make the _gfortran_pow* const

[Tobias Schlüter]

Andrew Pinski <pinskia@gmail.com> wrote on Sun, 26 Nov 2006:
>   This patch makes the _gfortran_pow* function constant functions as the
> return value is only dependent on those values and they don't have any
> special side effects.
>
> This patch speeds up my father's code by about 10% where he has a couple
> of rd**3.

Why are they not compiled as rd*rd*rd?  We have code which should do  
just that.

- Tobi

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