'Register interference graph' presentation slideshows

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From AST to Code Generation

From AST to Code Generation. Professor Yihjia Tsai Tamkang University. program text. front-end. annotated AST. intermediate code generation. interpreter. back-end. assembly. Summary of lecture 8. interpretation recursive iterative simple code generation code per AST node

825 views • 34 slides

Idea of Register Allocation

Idea of Register Allocation. program:. x = m[0 ]; y = m[1 ]; xy = x*y; z = m[2 ]; yz = y*z; xz = x*z; r = xy + yz; m[3 ] = r + xz. live variable analysis result:.

382 views • 31 slides

More Examples of Abstract Interpretation Register Allocation

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Final Code Generation and Code Optimization

Final Code Generation and Code Optimization. for ( i=0; i < N; i++) { base = &a[0]; crt = *(base + i); }. base = &a[0]; for ( i=0; i < N; i++) { crt = *(base + i); }. original code. optimized code. tmp = &a[0]+offset ; e1 = *( tmp +i); e2 = *( tmp +j);.

439 views • 28 slides