DJ Delorie <[EMAIL PROTECTED]> writes:
> In default_secondary_reload, we have this code:
>
> if (reg_class_subset_p (reload_class, insn_class))
> {
> gcc_assert (scratch_class == class);
> class = NO_REGS;
>
> Why doesn't it allow the scratch class to be a superset of the desired
> class? I'm trying to build am33_2.0-linux-gnu, and I'm getting to
> here with scratch_class GENERAL_REGS and class DATA_OR_EXTENDED_REGS.
> reload_class and insn_class are ADDRESS_REGS.
In general the reload_in and reload_out instructions should match
SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS. It's
a sanity check. What reason is there to have scratch_class be
something else?
Ian
