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PostPosted: Sun Feb 26, 2012 4:04 pm 
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XCore Expert
Joined: Sun Jul 11, 2010 1:31 am
Posts: 829

Is there a list somewhere of the various supported asm constraints in
the C compiler, and what they mean? Or do I have to read the LLVM
code (was trying to avoid that :-) ).

I'm most directly interested in the various integer constraints, for
u_s, u_6, u_16 etc.: "i" (or "ri") works for now, but that will blow up if
an immediate goes out of range for the instruction.

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