[issue21922] PyLong: use GMP

[Hristo Venev]

Hristo Venev added the comment:

PyLongObject is a PyVarObject. It contains many mp_limb_t's. There is little overhead. For some operations if the result is in [-20;256] no memory will be allocated. There are special codepaths for 1-limb operations.

And I just finished GDB support.

Please test if it works for you.

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keywords: +patch
Added file: http://bugs.python.org/file35867/pygmp.patch

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