Combine on IA-64

[Richard Henderson]

On Tue, Feb 26, 2002 at 02:50:31PM +0100, Jakub Jelinek wrote:
> Cannot this be special cased in try_combine (there is already some other
> similar special case which fails because i3's SET_SRC is not
> register but PLUS) provided the clobbers aren't mentioned between i2 and i3
> and uses are not modified in between?

I think better is to do

(define_split
  [(set (match_operand:DI 0 "register_operand" "")
        (match_operand:DI 1 "symbolic_operand" ""))]
  ""
  [(const_int 0)]
  "ia64_expand_load_address (operands[0], operands[1], operands[2]); DONE;")



r~