'Copy propagation' presentation slideshows

Global optimizations

Global optimizations. Local analysis framework. Define an analysis of a basic block as a quadruple ( D , V , F , I ) where D is a direction (forwards or backwards) V is a set of values the program can have at any point

804 views • 67 slides

Comparison and Evaluation of Back Translation Algorithms for Static Single Assignment Form

Comparison and Evaluation of Back Translation Algorithms for Static Single Assignment Form. Masataka Sassa # , Masaki Kohama + and Yo Ito # # Dept. of Mathematical and Computing Sciences, Tokyo Institute of Technology + Fuji Photo Film Co., Ltd. Background.

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Compiler Optimization and Code Generation

Compiler Optimization and Code Generation. Professor: Sc.D., Professor Vazgen Melikyan. Course Overview. Introduction: Overview of Optimizations 1 lecture Intermediate-Code Generation 2 lectures Machine-Independent Optimizations 3 lectures Code Generation 2 lectures.

856 views • 43 slides

SPL: A Language and Compiler for DSP Algorithms

Supported by DARPA. SPL: A Language and Compiler for DSP Algorithms. Jianxin Xiong 1 , Jeremy Johnson 2 Robert Johnson 3 , David Padua 1. 1 Computer Science, University of Illinois at Urbana-Champaign 2 Mathematics and Computer Science, Drexel University 3 MathStar Inc

506 views • 40 slides

CS 3214 Introduction to Computer Systems

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Code Improving Transformations Chapter 13,14

Code Improving Transformations Chapter 13,14. Mooly Sagiv. Outline. Chapter 12- Redundency Elimination Global common sub-expression elimination/Forward Substitution Loop-Invariant Code Motion Partial Redundency Elimination Code Hoisting Chapter 13 - Loop Optimization (Friday)

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Common Subexpression Elimination and Copy Propagation in Titanium

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Copy Propagation

Copy Propagation. What does it mean? Given an assignment x = y, replace later uses of x with uses of y, provided there are no intervening assignments to x or y. Similar to register coalescing, which eliminates copies from one register to another. When is it performed?

791 views • 23 slides

Copy Propagation

Copy Propagation. What does it mean? Given an assignment x = y, replace later uses of x with uses of y, provided there are no intervening assignments to x or y. Similar to register coalescing, which eliminates copies from one register to another. When is it performed?

296 views • 23 slides

Copy Propagation

Copy Propagation. What does it mean? Given an assignment x = y, replace later uses of x with uses of y, provided there are no intervening assignments to x or y. Similar to register coalescing, which eliminates copies from one register to another. When is it performed?

234 views • 23 slides

Copy Propagation and Common Subexpression Elimination in Titanium

Copy Propagation and Common Subexpression Elimination in Titanium. Johnathon Jamison David Marin CS265 S. Graham. Outline. Titanium Def/Use analysis (used by CSE) Copy Propagation Common Subexpression Elimination Implementation Examples. Titanium. Titanium is an extension of Java

235 views • 22 slides

Common Subexpression Elimination

Common Subexpression Elimination . Johnathon Jamison CS265 S. Graham. Outline. Titanium Def/Use analysis (used by CSE) Common Subexpression Elimination Implementation Examples. Titanium. Titanium is an extension of Java The Titanium compiler compiles Titanium code to C

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510 views • 19 slides