[LLVMdev] Register Class assignment for integer and pointer types

[杨勇勇]

llvm code generator lowers both integer and pointer types into ixx(say,
i16, i32, i64, ...). This make senses for some optimizations.

However, integer registers and pointer registers is expilicitly
distinguished from each other for some architectures, like TriCore,
Blackfin, and our lab prototype dsp, which accelerates address computation
and memory access.

I have already read this mail thread:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2009-May/022142.html , and I am
wondering how is the progress about it.

Thanks.

-- 
杨勇勇 (Yang Yong-Yong)
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