Hello, and other things
Jason.Fordham at Sun.COM
Sun Mar 16 09:28:17 PDT 2008
Thanks for the JIT information!
The two things I need to come up with a design for now are how to get
GCC to generate .class files, and what the runtime setup code needs to
do. The former is a big task, because I need to have a fairly detailed
design for the calling protocol. But that's all going to have to wait
On 3/15/2008 11:20 AM, John Rose wrote:
> Thanks for the excellent references.
> Since this list is archived, they are now
> bookmarked for us.
> On Mar 15, 2008, at 2:20 AM, Patrick Wright wrote:
>> Sorry if this is off-topic for the list, seems related to Jason's
>> original question on the thread.
> It's on-topic because of the such work may
> expose pain points in the JVM for compiler
> back ends in general. E.g., a botched JIT
> optimization forcing back end complexity
> for a C compiler would probably count as
> a point point. From a quick scan of your first
> reference, I don't see any yet. They probably
> have a lot more work to do moving their
> backend output closer to the JVM.
> For example, most C pointers can probably
> be rendered as offsets plus a base of a
> Java objects or array. This requires a
> big pointer analysis, plus oracular advice
> from the user, but I think it would pay off.
> For a low-level account of JIT optimizations,
> see (and as you make discoveries contribute to)
> this wiki:
> Best wishes,
> -- John
>  http://mail.openjdk.java.net/pipermail/mlvm-dev/
>  http://openjdk.java.net/projects/mlvm/pdf/LangNet20080128.pdf
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