On 2012-08-31 07:49, Ian Bolton wrote:
> +(define_split
> + [(set (match_operand:DI 0 "register_operand" "=r")
> + (const:DI (plus:DI (match_operand:DI 1 "aarch64_valid_symref" "S")
> + (match_operand:DI 2 "const_int_operand" "i"))))]
> + ""
> + [(set (match_dup 0) (high:DI (const:DI (plus:DI (match_dup 1)
> + (match_dup 2)))))
> + (set (match_dup 0) (lo_sum:DI (match_dup 0)
> + (const:DI (plus:DI (match_dup 1)
> + (match_dup 2)))))]
> + ""
> +)
You ought not need this as a separate split, since (CONST ...) should
be handled exactly like (SYMBOL_REF).
Also note that constraints ("=r" etc) aren't used for splits.
r~
