Re: [Lightning] Runtime assembler in C++

[Paolo Bonzini]

Pippijn van Steenhoven wrote:
> Actually, I was using an older version from CVS. I checked out the git
> repository now and many were fixed. I will create new lists later.

Thanks!

>     leaf (2);
>     int ofs = arg_i ();
>     getarg_i (R0, ofs);
>     ofs = arg_i ();
>     getarg_i (R1, ofs);
>     addr_i (RET, R0, R1);
>     ret ();
>
> Can this be written as:
>
>     leaf (2);
>     getarg_i (R0, arg_i ());
>     getarg_i (R1, arg_i ());
>     addr_i (RET, R0, R1);
>     ret ();
>
> In all cases, or are there cases where this does not work? I am
> thinking of the function evaluation with functions returning
> immediates.

It might cause double evaluation of macro arguments.  If everything's 
wrapped (as you did) in a C++ class, it's not a problem.

Paolo