16 lines
820 B
Plaintext
16 lines
820 B
Plaintext
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This directory contains several Brainfuck interpreters in various states of
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sophistication, from the simplest approach to an optimizing JIT compiler:
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* `bf.c` is the stupidest one and the oldest by far
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* `bf-faster-loops.c` precomputes loop jumps
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* `bf-optimizing.c` improves on that by changing `[-]+` loops into assignments
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* `bf-jit.c` adds JIT compilation for Intel x86-64
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* `bf-jit-opt.c` tries a bit harder to avoid looping on the current value
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* `bf-jit-unsafe.c` abolishes all boundary checks when moving across the tape
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* `bf-jit-unsafe-opt.c` makes use of immediate offsets to modify values
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I recommend using a tool such as 'meld' to view the differences.
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Just run `make` in this directory to have them all built, and append
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`CPPFLAGS=-DDEBUG` to get dumps of the IR for the more sophisticated JITs.
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