Question: automatic variable memory allocation

[Weihaw Chuang]

Hi all,
I'm trying to figure out how gcc allocates stack space for automatic 
variables (local to function).  Apparently much of the work happens around 
expand_decl as it creates the RTL that presumably manipulates the stack 
pointer (sp) after figuring out how much memory the variable requires.  Q1: 
Where does gcc figure out which portion of stack is given to a variable, and 
where is this state kept.  Q2:   Does the RTL attached to the VAR_DECL 
actually get materialized into actual RTL in the intermediate 
representation?

Thanks for any assistance,
-Wei

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