OpenJIT Compiler Overview (3)
• OpenJIT Frontend System
• Bytecode-to-bytecode optimizer
• gDiscompilerh to recover Java source structure
• Class framework for standard program analysis
• Classfile Annotation Analysis
• Various info for optimization and extensions
• OpenJIT Backend System
• A small Java JIT compiler in Java
• Standard optimizations
• stack-to-register allocation
• peephole optimization
• stack ops to RISC ops