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unloop, a trifle bizarre #1

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albertvanderhorst opened this issue Feb 5, 2018 · 0 comments

albertvanderhorst commented Feb 5, 2018

I see an unloop in symtab-lookup. My conclusion is that it goes up two levels in the call chain.
A somewhat bizarre tail-call optimization.

You've have a very nice and portable program. With this you have triple environmental dependancy

a classical usage of the return stack for call addresses
the return stack is used for do loop parameters
do loop parameters occupy exactly two places

I had a hard time debugging it in lina because of 3. lina has 3 places for the loop parameters

In terms of clarity you program scores 9 or 10. The unloop makes it somewhere near 4.
So my advice, just leave out this unloop .

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