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Re: [PATCH]: Trying to make list nodes smaller, but the C++ FEkeeps beating me down
On Sun, 2005-05-15 at 10:04 -0400, Kazu Hirata wrote:
> Hi Daniel,
>
> > The attached patch works fine for C, Java, and F95, AFAICT (it
> > bootstraps and passes regtests ).
> >
> > It removes the TREE_TYPE field from TREE_LIST, which is not used in
> > these FE's (it's a first step to actually removing all but the purpose
> > and value fields for TREE_LIST and STATEMENT_LIST_NODE, which would
> > bring TREE_LIST from 28 bytes to 8 or 12 on a 32 bit machine).
>
> If TREE_LIST is giving you hard time, can we just drop the type field
> from STATEMENT_LIST to start with?
You can actually drop everything but the chain field from statement list
(IE add a "struct tree_minimal" that only has the chain field).
Unfortunately, it buys us almost nothing :(
>
> Kazu Hirata