About GCJ compiler

Sat Mar 17 09:59:00 GMT 2012

On 03/17/2012 04:36 AM, Mao Ito wrote:
>> Nice to meet you. I am Mao Ito and a graduate student at the
> University of Wisconsin-Madison.

> I am working on a course project. My topic is something like "High
> Performance Architecture for Java Programming Language on mobile
> phones". On this project, I am planning to use GCJ to cross-compile
> Java for ARM.

> I am planning to add some extra ISAs(Instruction Set
> Architecture). But, if I add an extra ISAs, as you know, I have to
> generate binary codes corresponding to my new architecture. My
> question is if I can modify GCJ for my purpose. Is it possible to
> get source codes and customize it?

Sure, gcc (and gcj) is free software. Everything can be downloaded
and built from gcc.gnu.org/svn/gcc. Adding a new ISA is a big job,
though.
I'm redirecting this discussion to java@gcc.gnu.org
Andrew.