Question about Unsafe.prefetch ... () ?

[Roman Kennke]

I just found that (some of it?) has been taken out in JDK9:

http://cr.openjdk.java.net/~psandoz/jdk9/hotspot-unsafe-cleanup/webrev/src/share/vm/prims/unsafe.cpp.udiff.html

Roman

Am Donnerstag, den 14.08.2014 um 07:48 -0700 schrieb Christian
Thalinger:
> Sorry, the link didn’t come through:
> 
> https://bugs.openjdk.java.net/browse/JDK-6807143
> 
> On Aug 14, 2014, at 7:46 AM, Christian Thalinger <christian.thalinger at oracle.com> wrote:
> 
> > [#JDK-6807143] Unsafe.java changes corresponding to 6353211 - Java Bug System
> > 
> > On Aug 14, 2014, at 7:32 AM, Roman Kennke <rkennke at redhat.com> wrote:
> > 
> >> Hello,
> >> 
> >> I noticed that in Hotspot there are intrinsics defined for
> >> Unsafe.prefetchRead(), Unsafe.prefetchWrite(),
> >> Unsafe.prefetchReadStatic() and Unsafe.prefetchWriteStatic(), but none
> >> of them are defined in JDK's Unsafe.java nor is it called anywhere. Is
> >> this code used for anything? Why is it there?
> >> 
> >> Thanks and best regards,
> >> Roman
> >> 
> >> 
> > 
>