[LLVMdev] ABI for i128 on x86-32?

Anton Korobeynikov asl at math.spbu.ru
Wed Feb 27 09:57:18 PST 2008


Hello, Dan

> Does anyone know of any precedent for handling i128 in the
> calling convention on x86-32?
Never seen this 'in wild' (pure integer case).

> I'm trying to write a testcase that returns an i128 value, 
> and LLVM currently has only two 32-bit GPRs designated for 
> returning integer values on x86-32.
Can XMM registers be used for such things?

-- 
With best regards, Anton Korobeynikov.

Faculty of Mathematics & Mechanics, Saint Petersburg State University.





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