linux-kernel - Re: c 's OOP in VFS vs c++'s OOP

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Date:	Sat, 5 May 2007 14:37:39 +0800
From:	"la deng" <ladeng.mimi@...il.com>
To:	"Jan Engelhardt" <jengelh@...ux01.gwdg.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: c 's OOP in VFS vs c++'s OOP

On 5/4/07, Jan Engelhardt <jengelh@...ux01.gwdg.de> wrote:
>
> On May 4 2007 21:53, la deng wrote:
> >>
> >> C gives you the power to control nearly everything. You can, of course,
> >> control the registers via inserting assembly code. That's not the fault of
> >> C.
> > I think you don't understand me correctly
> >
> > I know c can inline assmebly to control registers
> >
> > but,this control not the globe Analysis of control register like
> > internal of c++ compiler or lisp 's compiler language,c can't
>
> Using __asm__ in C++ is the same thing as in C. If you want to
> make GCC aware of registers you could use
>
>
>      register int *p1 asm ("r0") = ...;
>
> See chapter "5.37 Variables in Specified Registers" in `info gcc`.
>
>
> Jan
> --
>
hmm,thanks

I found gcc has some extensions can help this

very thanks
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