Is register stack compilers' friend?

After reading a book on Transputer architecture I got curious on how well
compilers generate code for it. Transputer is claimed to be a RISC but it is
rather unusual. Instead of having a large register file, it only has a few
registers organised into a stack. All those work on register optimisation
won't be applicable to transputer (I think).


I would like to hear from anyone having experience with writing compilers
for transputer. Register stack Vs large register file: which is better for
the compiler?


Nor Jaidi jaidi@technet.sg
[It's easy to generate straightforward code for a stack machine, since it's
basically just RPN. Optimizing is hard, since reusing values on a stack is
a lot trickier than reusing values in registers. -John]
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