Contents
1 Introduction
2 Intermediate codes
2.1 Uncol
2.2 Janus
2.3 OCODE
2.4 P-code
2.5 Z-code
2.6 Summary and conclusions
2.6.1 Error checking and reporting
2.6.2 Efficiency
2.6.3 Assumptions
2.6.4 Interpretation
3 Optimisations
3.1 Classification of optimisations
3.1.1 Universal optimisations
3.1.2 Local optimisations
3.1.2.1 Remembering
3.1.2.2 Delaying
3.1.2.3 Inaccessable code removal
3.1.2.4 Peephole optimisation
3.1.2.5 Special cases
3.1.2.6 Algebraic manipulation