| OpenJIT Customization |
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| • | 3
levels of customization |
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| • | 1.
No changes in Java language syntax or semantics |
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| • | Standard
Compiler incl. OO optimizations |
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| • | User-definable
(like SUIF) |
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| • | 2.
Semantic extensions but no syntax change extensions |
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| • | Adaptation
to Computing Env. (e.g., DSM) |
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| • | Both
frontend and backend support |
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| • | 3.
Both Syntactic and Semantic Extensions |
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| • | New
Language Primitives (e.g.,
Data distribution Directives) |
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| • | NOT
directly supported |
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| • | New
bytecode → Need javac equiv. to emit bytecode |
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