'Live range' diaporamas de présentation

CMPUT680 - Fall 2003

CMPUT680 - Fall 2003. Topic 7: Register Allocation and Instruction Scheduling José Nelson Amaral http://www.cs.ualberta.ca/~amaral/courses/680. Tiger book: chapter 10 and 11 Dragon book: chapter 10 Other papers as assigned in class or homeworks. Reading List. Register Allocation.

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CSC D70: Compiler Optimization Register Allocation

CSC D70: Compiler Optimization Register Allocation. Prof. Gennady Pekhimenko University of Toronto Winter 2019. The content of this lecture is adapted from the lectures of Todd Mowry and Phillip Gibbons. Register Allocation and Coalescing . Introduction Abstraction and the Problem

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Simple Code Generation

Simple Code Generation. CS153: Compilers Greg Morrisett. Code Generation. Next PS: Map Fish code to MIPS code Issues: eliminating compound expressions eliminating variables encoding conditionals, short-circuits, loops. Source. type exp = Var of var | Int of int

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Research in Compilers and Introduction to Loop Transformations Part I: Compiler Research

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Overview of Optimization

Overview of Optimization. An Example of Code Optimization Overview of Optimization Concepts. An Example of Code Optimization. --------------- Source C Code ------------------ int a[25][25]; main() { int i; for (i=0; i<25; i++) a[i][0] = 0; }

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Register Allocation

Register Allocation. Consists of two parts: register allocation What will be stored in registers Only unambiguous values register assignment Which register will be assigned to each variable? Goal : minimize spills How hard is it? BB w/ one size of data: polynomial otherwise, NP-complete

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