Maintaining multiple stacks

[Tom Bachmann]

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[please cc me]

Nick Maclaren wrote:

> As far as providing a full ability for the programmer to select between
> multiple stacks, either statically or dynamically, it is foul.  The
> problems are fundamental in the problem, and hence cannot be easy in
> gcc.  Think about the semantics of compiler-generated temporaries,
> longjmp/setjmp/exceptions/unwinding etc.
> 

This is not what I was trying to ask for. I don't want to _switch_ the
stack completely, but selectively put some data on a different stack.

> As far as providing a traditional secondary stack, such as to put
> large and dynamically-sized arrays on, that would be a LOT easier.
> That is the sort of secondary stack that I keep banging on about;
> by removing those from the primary stack, it improves cache locality
> and makes it easier for debuggers and tracebacks.
> 

This sounds like what I was looking for.

thanks
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