Request for review (L): 6378821: where available, bitCount() should use POPC on SPARC processors and AMD+10h

[Tom Rodriguez]

> and I think I know why that happens.  When I use:
>
>  PopCountINode(Node* in1) : Node(0, in1) {}
>
> I have to use:
>
>    push(_gvn.transform(new (C, 2) PopCountINode(pop())));
>
> which is not very obvious to use 2 for the new call.  Should I use the
> latter anyway?

That's the style of other nodes of that don't require control.  All  
the binary operators and many of the unary operators are like this and  
this one should follow that same style.

tom

>
>
> -- Christian
>