RFR[XS]: 8238272: Eliminate cast_from_oop to narrowOop*

[Thomas Schatzl]

Hi,

On Fri, 2020-01-31 at 17:12 -0500, Kim Barrett wrote:
> > On Jan 31, 2020, at 2:35 AM, Kim Barrett <kim.barrett at oracle.com>
> > wrote:
> > 
> > > On Jan 31, 2020, at 2:07 AM, Aleksey Shipilev <shade at redhat.com>
> > > wrote:
> > > 
> > > On 1/31/20 7:51 AM, Kim Barrett wrote:
> > > > Webrev:
> > > > https://cr.openjdk.java.net/~kbarrett/8238272/open.00/
> > > 
> > > Hm, I am puzzled a bit.
> > > 
> > > 
[...]
> > The fix is to use the same hand-inlined address calculation for
> > start as for end, perhaps
> > packaging that up in a new function.  I’ll get back to this next
> > week.  Sorry for the noise.
> 
> Here's a new webrev:
> 
> https://cr.openjdk.java.net/~kbarrett/8238272/open.01/
> 
> I didn't bother with an incremental webrev, since the new version is
> just
> a one-line change replacing the previous one-line change.
> 
> Testing: tier1
> 

  looks good.

Thomas