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Code Generator ◦ Intel Architecture (X86) ◦ MIPS Architecture ◦ Java Virtual Machine (JVM) ◦ Common Language runtime (CLR) Our Target: MIPS Architecture SPIM Simulator
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Md. Zahurul IslamCenter for Research on Bangla Language Processing (CRBLP)
BRAC University
Project Details What to do? New classes Changes on previous program Lvalue and Rvalue MIPS
Code Generator◦ Intel Architecture (X86)◦ MIPS Architecture◦ Java Virtual Machine (JVM)◦ Common Language runtime (CLR)
Our Target: MIPS Architecture SPIM Simulator
Download starter-kit Find out what you have to do Try to understand our starter-kit Take a look on our given solution Read MIPS references
◦ Online references on course website◦ Computer architecture book
Lets start!
Codegen.java◦ Utility class for code generation
MIPSVisitor.java◦ New visitor class to generate MIPS assembly code
Symbol class changes◦ getOffset()◦ setOffset()◦ symOffset
FunDeclAst changes◦ FuncFrameSize◦ setFrameSize()◦ getFrameSize()
NameVisitor changes◦ cuFrameOffset◦ …
Load (default) Store Manage it carefully
Prolog Epilog Variables Parameter Arguments Return value
Stack◦ Push◦ pop
Registers◦ Arguments ◦ Frame pointer◦ Stack pointer◦ Return address◦ Return value
Project Details What to Do? New classes Changes on previous program Lvalue and Rvalue MIPS