Re: [Qemu-devel] TCG questions

[Richard Henderson <rth@twiddle.net>]

On 09/10/2012 08:17 PM, Xin Tong wrote:
> I have 2 questions about TCGv.
> 
> 1.  if DEBUG is enabled on TCGv, TCGv is wrapped in a C struct. and
> would it not be very expensive to pass TCGv by copy for all the
> tcg_gen_xxx functions.i.e. tcg_gen_mov_tl(cpu_cc_src, cpu_T[1]);

No.  The compiler is (generally) able to look through a struct with
a single member.

> 2. I have created some files that need to include tcg-op.h and cpu.h (
> i use TCGv in the files). since cpu.h are architecture specific. what
> do i put as the include path and how i should organize the files so
> that the correct architecture specific cpu.h gets picked up. i tried
> many things. but it seems none of them works very well.

You've not provided enough details to give a meaningful answer.


r~