Handong Ye writes:
> Hi, I'm new in gcc, and maybe misunderstand the constraint modifier '+'.
> As the internal document says, '+' means an inout parameter. In my
> mind, it means the instruction both reads and writes the pseudo
> register.
>
> Assuming I have a pattern like:
>
> (define_insn "ls
Hi, I'm new in gcc, and maybe misunderstand the constraint modifier '+'.
As the internal document says, '+' means an inout parameter. In my
mind, it means the instruction both reads and writes the pseudo
register.
Assuming I have a pattern like:
(define_insn "lssu"
[(set (match_operand:m1 0 ..
