Re: Support for Meta-Programming

[Michael van Acken <Michael.van.Acken@de.uu.net>]

Mike Griebling <grieblm@trt.allied.com> writes:

> > > One would need to guarantee that variables are not optimized away.
> > > In other words, all variable optimizations would have to be disabled
> > > and all variables stored on the stack.  A debug flag should be enough
> > > to do this.  I'm not sure how much OOC depends internally on variables
> > > being in registers.
> > 
> > This is not possible.  On GSA level there is no information about the
> > local variables of scalar type as declared in the source code.  Data
> > flow through these variables is completely unravelled.  Normally any
> > assignments (in the source) to these variables have no effect on
> > memory (in the program).  Only for per reference argument passing (and
> > nonlocal access from nested procedures) local scalar variables are
> > kept in memory at all.
> > 
> > Note that this is not an optimization issue.  This happens even if all
> > optimizations are turned off.
> 
> That's what I though you would say.  Would you be able to force them
> into local stack variables by taking an address of each of the
> variables?

No.

-- mva