prefetch instructions in Hotspot

[dalibor.topic at oracle.com]

See top level file Readme-build.html for instructions.

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> On 02.04.2014, at 21:19, Mahmood Naderan <nt_mahmood at yahoo.com> wrote:
> 
> OK I downloaded jdk source using 
> 
>    hg clone http://hg.openjdk.java.net/jdk6/jdk6 openjdk6
>    cd openjdk6 && sh ./get_source.sh
> 
> Then I added the declarations into jdk/src/share/classes/sun/misc/Unsafe.java. I have to say that I removed the jdk packages from apt.
> 
> Now, before running 'make' in the jdk folder, do I have to point Hotspot location? How?
> 
>  
> Regards,
> Mahmood
> 
> 
>> On Wednesday, April 2, 2014 9:49 PM, Vladimir Kozlov <vladimir.kozlov at oracle.com> wrote:
>> 
>> Yes, you need to rebuild jdk after you modified Unsafe.java.
>> 
>> Vladimir