TODO

Target Release: 0.2.0
=====================

* integrate Jakob's register allocator
* CFG-based liveness analysis and dead code elimination
* new code memory allocator able to free functions 

Target release: 0.2.2
=====================

* win64 port
* get rid of manual rules

Target release: 0.3.0
=====================

* global copy and constant propagation
* jitruby
* sync jitplus with jit (jump tables, compile driver, debug)
* fix catch/throw within finally
* add direct conversion opcodes to/from float32 and float64
* add rounding towards zero
* try to be smarter with %rax for variadic functions on x86-64
* improve exception handling
* align function prolog and basic blocks
* support cross-compilation 

Long-Term Tasks
===============

* comprehensive test suite
* ports to arm, aarh
* fix interpreter wrt loading and storing values -- currently the generated code is too large
* more optimizations:
** redundancy elimination
** alias analysis
** strength reduction
** loop optimization
** array data type, ABCD
* tree-based IR and instruction selection ?
* instruction scheduling ?
* finish ELF writer/reader