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From Egor Pasko <egor.pa...@gmail.com>
Subject Re: [DRLVM][Helper inlining] GC write barrier inline?
Date Wed, 06 Dec 2006 10:52:12 GMT
On the 0x237 day of Apache Harmony Mikhail Fursov wrote:
> On 06 Dec 2006 13:13:51 +0600, Egor Pasko <egor.pasko@gmail.com> wrote:
> >
> > Jitrino.OPT relies on edge profile. The most probable edges are
> > fallthrough.
> 
> The only problem  here is that vmhelpers are never recompiled and  their IR
> is estimated with heuristic based profiler. So, as JIT developer, I'm not
> sure if a branch in Java code will be layouted as fallthrough or as jump.

That's interesting! I see no serious reasons that can stop us from
profiling VM helpers. Just need the right .emconf. Or am I missing
something?

-- 
Egor Pasko


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