Question about GO_IF_LEGITIMIZE_ADDRESS
Richard Henderson
rth@redhat.com
Mon Feb 18 16:46:00 GMT 2002
On Mon, Feb 18, 2002 at 07:22:04PM -0500, Peter Barada wrote:
> Does reload follow the predicate enough that I can have:
>
> (define_insn ""
> [(set (cc0) (zero_extract (match_operand:QI 0 "btst_mem_operand" "<Q>S")
No, since reload doesn't know what Q or S really mean, so it can't
fix them up if nothing matches. That's why 'm', 'o', and 'p' are
so special.
r~
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