[LLVMdev] Possible CellSPU Bug?
David A. Greene
greened at obbligato.org
Mon Jan 31 09:34:05 PST 2011
Kalle Raiskila <kalle.raiskila at nokia.com> writes:
> Looks like a bug to me. xshw (extend signed half-word(16bits) to
> word(32bits)) takes a v8i16 and produces a v4i32. This has likely gone
> unnoticed as there is only one type of vector register class (i.e.
> VECREG) that is used for all vectors.
>
> Nice catch :) Are there more of these?
I don't know. I stopped implementing the stricter typechecking when I
saw this. I wanted to make sure there wasn't some official trickery
going on. :)
-Dave
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