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LLVM - was Re: [gnupic] gputils development

by vaclavpe :: Rate this Message:

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>
> That is a good idea. But IMHO Microchip has other ideas about
> this topic. They are working on LLVM port. In fact, LLVM 2.4
> has experimental PIC16 ports.
> http://llvm.org/docs/ReleaseNotes.html
>

Hello Xiaofan,

I had a look into LLVM docu, Getting started etc. There is "1. Read the documentation, 2.Read the documentation". But which documantation ? I could not find what is LLVM good for. And how can it help me with development for PIC16 architecture.

Is it something like simulator ? Or profiler ? Or optimizer ?

I agree with David that SDCC output code is quite fat. But this is because of internal structure of SDCC, intermediate code etc.... Does it mean that with LLVM I can optimize the code generated with SDCC ?

Vaclav

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