ubject: Failure to vectorize widen mult through intermediate steps
>
> Hello,
>
> I have been looking at a piece of code that fails to vectorize because
> GCC4.7.0 is unable in suportable_widening_operation to provide proper
> conversions for a WIDEN_MULT_EXPR. vectype_in is V8HI an
Hello,
I have been looking at a piece of code that fails to vectorize because GCC4.7.0
is unable in suportable_widening_operation to provide proper conversions for a
WIDEN_MULT_EXPR. vectype_in is V8HI and vectype_out is V2DI. The problem seems
to be that GCC code at the end of this functions b
