Mindless ABI adherence

[Neil Booth]

D. J. Bernstein wrote:-

> gcc should automatically use caller-save for static functions, at least
> in the non-recursive case. It doesn't matter what the ABIs say. The
> usual argument against making all registers caller-save, namely that the
> caller has to save everything because it doesn't know what registers the
> callee is using, has no relevance to static functions.

Just because a function is static doesn't mean it can't be called from
outside the translation unit.

Neil.