On Sat, Sep 01, 2001 at 03:29:23PM -0400, Bryan C. Warnock wrote:
> 30 -> store
>
> plus a bunch of null ops.
Not strictly true. Constant folding is done by running the interpreter on a
tiny portion of the opcode tree and splicing the result in. No null ops there.
> sub foo {
> no optimizations;
> ...
> }
>
> or
> {
> local $opt = (ref $obj eq "SomeNewObject");
> # If the $obj has changed, don't run any optimizations
> }
Ah, you've seen optimize.pm from CPAN, then?
> [1] Chain? Branch? What's the correct terminology here?
Tree. :)
Simon
