A peephole optimiser for Java bytecodes

• Introduction
• Tools
• A first example: superfluous return
• Optimisation: pushing duplicate constants to stack
• Optimisation: pushing duplicate variables to stack
• Optimisation: pushing duplicate variables to stack (2)
• Optimisation: store followed by fetch
• Optimisation: store followed by fetch (2)
• Optimisation: string concatenation
• Optimisation: explicit test of boolean
• Optimisation: chained assignments
• Results
• Conclusion, and over to you...

• What's new