[LLVMdev] PTX backend do not support sitofp instruction?

[Duncan Sands]

On 09/26/11 12:11, 陳韋任 wrote:
>> Does PTX backend support llvm sitofp instruction?
>
>    Seems it doesn't support sitofp, search "Conversion
> to f32" in PTXInstrInfo.td.

IIRC, LegalizeDAG has some code to implement sitofp in terms of
uitofp (or maybe uitofp in terms of sitofp, I don't recall).

Ciao, Duncan.