Andres Freund <> writes:
> Dilip, could you test performance of reducing ppc's spinlock to 1 byte?
> Cross-compiling suggest that doing so "just works".  I.e. replace the
> #if defined(__ppc__) typedef from an int to a char.

AFAICS, lwarx/stwcx are specifically *word* wide.

                        regards, tom lane

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