Chuckdun <martinsfonseca.jose@xxxxxxxx> writes: > Ok what is the idea of this number ? A code for a type of instruction ? Please do not top-post. Thanks. It's the index into the operand array. I strongly recommend reading the GCC internals manual, as it explains all these details. Ian > Ian Lance Taylor-3 wrote: >> >> Chuckdun <martinsfonseca.jose@xxxxxxxx> writes: >> >>> (define_insn "newsub" >>> [(set (match_operand "register_operand" "r") >>> (match_operand "register_operand" "r"))] >>> "" >>> "newsub %0,%1,%2" >>> ) >>> >>> Now the errors: >>> I have troubles because it seems i have forget a comma or a braket ... >>> But >>> it seems ok for me ... >> >> There is no number after the match_operands. >> >> Ian >> >>
