Messages in this thread | | | Date | Fri, 4 May 2007 16:15:28 +0200 (MEST) | From | Jan Engelhardt <> | Subject | Re: c 's OOP in VFS vs c++'s OOP |
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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`.
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