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Re: patch: pre-compute HARD_REGNO_MODE_OK on ppc
On Tue, May 04, 2004 at 11:14:18AM -0700, Richard Henderson wrote:
> On Tue, May 04, 2004 at 01:24:39PM -0400, Aldy Hernandez wrote:
> > As discussed on irc, having a 2 dimensional array requires us to
> > define the size ahead of time, and NUM_MACHINE_MODES is defined in
> > insn-modes.h.
> False. For the declaration in a header, you can leave the outer
> dimension of an array unspecified:
> extern bool rs6000_hard_regno_mode_ok_p[FIRST_PSEUDO_REGISTER];
Ah!!! I had it the other way around (which didn't work):
> Also, why use an int to store a 1 bit value?
David, what was the deal with using (or not using) bool?