On Thu, Feb 20, 2003 at 09:55:35AM -0800, Steve Fink wrote:
> I think this has been discussd before, but are we all okay with this
> callee-save-everything policy? At the very least, I'd be tempted to
> add a bitmasked saveall/restoreall pair to reduce the amount of cache
> thrashing. ("saveall 0b00100110111111110000000000000000") It just
> seems odd that you have to either save all 32 of one of the types of
> registers, or to save selected ones onto a different stack. But it
> *is* simpler to copy over the entire register file to a stack frame, I
> guess.I agree that the bitmasked savesome/restoresome would be less simple. I suspect that a butmasked version would JIT very nicely. Since when did parrot trade simplicity for speed? Nicholas Clark
