RFR: 8180763: Improve inlining of Symbol::equals(char*, int) into CompactHashtable

[Jiangli Zhou]

Hi Claes,

Looks good.

Thanks,
Jiangli

> On May 22, 2017, at 8:03 AM, Claes Redestad <claes.redestad at oracle.com> wrote:
> 
> Hi,
> 
> it appears that CompactHashtable suffers slightly from failure to completely
> inline Symbol::equals, and this trivial patch to move the implementation into
> the header helps to reduce instructions spent in Symbol::lookup when CDS is
> enabled by 7.5%:
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8180763
> Webrev: http://cr.openjdk.java.net/~redestad/8180763/hotspot.00/
> 
> Thanks!
> 
> /Claes