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Re: RFA: pervasive SSE codegen inefficiency


On Sep 19, 2005, at 5:30 PM, Richard Henderson wrote:
(define_insn "*addmixed<mode>3"
[(set (match_operand:V2DI 0 "register_operand" "=x")
(subreg:V2DI (plus:SSEMODE124
(match_operand:SSEMODE124 2 "nonimmediate_operand" "xm")
(subreg:SSEMODE124 (match_operand:V2DI 1 "nonimmediate_operand" "%0") 0)) 0))] 

I absolutely will not allow you do add 5000 of these patterns.
Which is what you'll need if you think you'll be able to solve
the problem this way.

Do you have any constructive suggestions for how the RA might be fixed, then?

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