New insns for the s390 backend (3)

Richard Henderson rth@redhat.com
Tue Aug 26 21:34:00 GMT 2003


On Tue, Aug 26, 2003 at 02:31:50PM +0200, Andreas Krebbel wrote:
> Because an AND instruction would additionally set the condition code register 
> splitters are needed to get rid of the (clobber (reg:CC 33)) rtx.

I think you only need splitters here, not insn_and_split.
Moreover, I don't see why reload_completed is relevant.

It would probably be best if you arranged for the new 
insn to be generated immediately from anddi3 instead of
waiting for combine to clean it up.


r~



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