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From "Mikhail Fursov" <mike.fur...@gmail.com>
Subject Re: [drlvm][jitrino]questiones about HIR to BC
Date Mon, 16 Jul 2007 11:24:32 GMT
On 16 Jul 2007 13:05:18 +0400, Egor Pasko <egor.pasko@gmail.com> wrote:
> On the 0x315 day of Apache Harmony Pamela Yuan wrote:
> > hi, all
> > I find that struct IRBuilderFlags in IRBuilderFlags.h has been
> > modified in the latest version of JIT, the isBCMapinfoRequired field
> > and fullBcMap field
> > don't exist .
> > I once completed a algorithm which realized HIR to BC.
> Ha! I wonder why you did not publish it.. (or I missed something?)
> > but my work
> > needs to use the two fileds .Now it can't work with the latest
> > version.I want to know if there are some other methods to realize
> > HIR2BC?
> That's HARMONY-2114 by Mikhail Fursov. The basic idea is that we
> _always_ want bytecode mapping enabled. Feel free to ask questions in
> the JIRA. And that would be really great if you look at the patch and
> give comments on it.
Yes, itis right. Now Jitrino.OPT tries to maintain full BC-map regardless of
It does not cost performance and reduces code size and number of possible
configurations to test.

Today all insts that 'canThrow' must have bc-mapping. All label insts are
also have it.

Mikhail Fursov

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