Proposal: zero-assembler port of OpenJDK

Gary Benson gbenson at
Thu Jul 17 08:29:03 PDT 2008

Dalibor Topic wrote:
> Gary Benson wrote:
> > I'm Gary Benson, an engineer at Red Hat.  Over the past year or
> > so I've been working on a port of OpenJDK that uses no assembler
> > and therefore can trivially be built on any system.
> >
> > The port, known as zero, is presently an interpreter-only port,
> > and is known to work on PowerPC (32- and 64-bit), x86-64, IA-64,
> > and zSeries.  An LLVM-based JIT, known as Shark, is currently
> > under development.  Currently only Linux is supported, but
> > adding support for other operating systems is one area in which
> > I'd particularly welcome contributions.
> >
> > The goal of this project would be to be able to build a TCK-
> > compliant OpenJDK of reasonable performance on any platform
> > with no additional porting work.
> Thank you for the fine proposal, Gary, I'm a big fan of your work,
> and would like to encourage list members to discuss it - once the
> discussion peters out agreeably, I'd be happy to do the formal
> project proposal, and initiate a vote among members.

Thank you.



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