Modular GCC
http://gcc.gnu.org/wiki/ModularGCCInstead of having a single monolithic binary, I propose separating the major components in libbackend.a into several libraries.
These libraries would live in separate sub-directories under gcc/.
* gcc/
* c/ - The C front end.
* driver/ - The gcc driver.
* generic/ - Tree files.
* gimple/ - Gimple generation, analysis and optimization.
* ipa/ - Callgraph manager and IPA analysis/optimization.
* rtl/ - RTL code generation and optimization.
* diagnostic/ - Generic diagnostic routines.
* cfg/ - Control Flow Graph routines.
* openmp/ - OpenMP implementation.
I propose to modularize the gcc/ directory using the different Intermediate Languages (IL) as the main separators.
I believe that all the intermediate languages in GCC should have a streaming representation.
给我的感觉，有点像Open64了。 还少一个lno
而且gimple要Tuples，而不是那种占用内存多的Tree Node 真佩服你们研究gcc的人！
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