RFR: 8235551: BitMap::count_one_bits should use population_count

[Claes Redestad]

On 2019-12-10 23:23, Kim Barrett wrote:
> 
> Looks good.

Thanks!

> 
> This comment is a bit misleading:
> 
> src/hotspot/share/utilities/population_count.hpp
>    37 // Adapted from Hacker's Delight, 2nd Edition, Figure 5-2.
> 
> The implementation being used is a combination of that in Figure 5-2
> and another version a bit later in the associated text.  I suggest
> changing the comment to say
> 
>    Adapted From Hacker's Delight, 2nd Edition, Figure 5-2 and the text
>    that follows.
> 
> That way, someone looking up the reference won't just go "Wait, what?
> That isn't what's in 5-2."
> 
Will fix before push.

/Claes