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Re: About GCJ compiler
- From: Andrew Haley <aph at redhat dot com>
- To: Mao Ito <mito2 at wisc dot edu>
- Cc: java at gcc dot gnu dot org
- Date: Sat, 17 Mar 2012 09:59:02 +0000
- Subject: Re: About GCJ compiler
- References: <76e0b77823de60.4f6410fc@wiscmail.wisc.edu> <7680afae23c379.4f64113a@wiscmail.wisc.edu> <7680d54c23a42c.4f641177@wiscmail.wisc.edu> <7710d5e623e65c.4f6411b4@wiscmail.wisc.edu> <76e0bc9023c05b.4f6411f0@wiscmail.wisc.edu> <7680d99323eb2e.4f641269@wiscmail.wisc.edu> <76809a2f23a3a8.4f6412a5@wiscmail.wisc.edu> <76809b5b23eb8f.4f6412e1@wiscmail.wisc.edu> <771084f62393e8.4f64131e@wiscmail.wisc.edu> <7730a0e223fc01.4f64135a@wiscmail.wisc.edu> <768088d4239769.4f64144b@wiscmail.wisc.edu> <7710d06823a698.4f641487@wiscmail.wisc.edu> <75c0eaa823b240.4f6414c4@wiscmail.wisc.edu> <7770c90323ff49.4f649355@wiscmail.wisc.edu>
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.