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Re: RTL


Chuckdun <martinsfonseca.jose@yahoo.fr> 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@yahoo.fr> 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
>> 
>> 


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