From: Richard Henderson <rth@twiddle.net>
To: Xin Tong <xerox.time.tech@gmail.com>
Cc: qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] TCG questions
Date: Tue, 11 Sep 2012 09:12:37 -0700 [thread overview]
Message-ID: <504F62F5.2090302@twiddle.net> (raw)
In-Reply-To: <CALKntY28NdxiPZ0p4rbzMekdNkH+F7do1HfZ-xPgsdvh6ggqnQ@mail.gmail.com>
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~
next prev parent reply other threads:[~2012-09-11 16:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-11 3:17 [Qemu-devel] TCG questions Xin Tong
2012-09-11 16:12 ` Richard Henderson [this message]
2012-09-11 17:04 ` Peter Maydell
2012-09-11 22:56 ` Xin Tong
2012-09-11 23:23 ` Richard Henderson
2012-09-12 1:52 ` 陳韋任 (Wei-Ren Chen)
2012-09-12 2:34 ` Xin Tong
2012-09-12 13:14 ` Lluís Vilanova
2012-09-12 17:09 ` Xin Tong
2012-09-12 17:11 ` Xin Tong
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