alpha: half done futex implementation

Segher Boessenkool segher at
Tue Apr 14 19:45:04 EST 2009

> If either the lwarx or the stwcx. faults, the routine returns -EFAULT
> and doesn't retry (label "3" is the end of the asm).
> If the stwcx. fails because the CPU lost the reservation, %1 isn't
> clobbered as far as I see?

Oh, "insn" writes to %1, never mind.


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