|Looking for a Reg. Alloc. research platform. firstname.lastname@example.org (1995-12-09)|
|From:||email@example.com (Albert T Crowley)|
|Date:||9 Dec 1995 19:43:53 -0500|
|Organization:||University of Pennsylvania|
|Keywords:||registers, experiment, question|
My advisor and I are planning to implement a new register allocation
scheme to get some experimental data to go along with our current
What we would like is a C compiler that has been created with future
modifications in mind (i.e. very modular). A good system that we are
looking at right now is a Fortran compiler from Rice University. It
was structured extremely well with each (sub)pass of the compiler as a
self contained program, but since it is based in Fortran, it isn't
exactly what we want. Fortran is (I believe) missing some of the
constructions available in C that we are interested in.
Our algorithm is centered around looking at the -structure- of the
control flow graph, and uses special consideration for break and
continue statements (as defined in C). This is why we want a C
compiler (Pascal would be better than Fortran, but not the best).
I hope to get a system that already optimizes the register allocation
in a method that is considered 'good' so that we can compare our
results against that. I've looked at the C compiler available from
Stanford, and the focus there seems to be on parallelization, and I
fear that it might not have a good register allocator built in that I
could compare against. Also since I am not an expert in
implementation, I would like a well build register allocator to work
So...I have two basic questions:
1) is there another compiler that I haven't heard about that would be
well suited to the research I want to do?
2) Am I mistaken about the Stanford compiler, and that it would be a
good system to work on. (for register allocation)
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