How to build openJDK8 (build 32)

[fuyou]

I want to try
https://mail.google.com/mail/u/0/#label/java%2Fjdk%2Fcompiler-dev/14a178591a7c71f6

,but how build it by myself?

step1: download source from http://download.java.net/openjdk/jdk8/
step2 :git clone
https://github.com/brendangregg/Misc/blob/master/java/openjdk8_b132-fp.diff

step3 :unzip dk-8-src-b132-03_mar_2014.zip
and go to the openjdk
and patch -p1 openjdk8_b132-fp.diff

it is right ?
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  fuyou001
Best Regards
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