Icedtea Zero Arm modifications

Richard Kolb rjdkolb at gmail.com
Mon Sep 15 19:32:03 UTC 2014


Hi Andrew,

On 15 September 2014 21:21, Andrew Haley <aph at redhat.com> wrote:

> On 09/15/2014 08:15 PM, Richard Kolb wrote:
> > I am doing a presentation using Icedtea on an Arm processor (Pcduino 3)
> at
> > Software freedom day.
> >
> > Can anyone tell me what modifications Icedtea has to the Zero JVM in the
> > OpenJDK.
> > I heard a rumor that it outputs Thumb 2 instructions.
>
> It does, yes.  We have a little JIT in there which generates reasonable
> code.
>
> We also have an interpreter written in ARM assembly language.
>

Thanks very much.
I see it easily out performs JamVM using JMH.

Do you have any kind of docs about the JIT ?

thanks,
Richard.







>
> Andrew.
>
>
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