PDF-[PDF]-Compiler Design

The Desired Brand Effect Stand Out in a Saturated Market with a Timeless Brand. Track your software investments and understand how your Embarcadero software is being used With the Embarcadero License Center ELC you can have centralized and simplified control over license administration It is one more way Embarcadero Technologie B V Sai Aravind (11CS10008). 1. Outlines. Structure of a Compiler. Phases of a Compiler. Lexical Analysis. Syntax Analysis. Semantic Analysis. 2. Structure of a Compiler. Any compiler must perform two major tasks.. Timothy W. Hnat. , Tamim I. Sookoor, Pieter . Hooimeijer, Westley . Weimer, and Kamin . Whitehouse. SESENA . 2010. D. epartment . of Computer Science, University of Virginia. Charlottesville, VA, . USA. 14. Self Compilers. Self compilers. We discuss three compilers described in the following documents:. [ChUL89] Craig . Chambers, David . Ungar. , Elgin . Lee: An . Efficient Implementation of SELF - a Dynamically-Typed Object-Oriented Language Based on Prototypes. OOPSLA 1989: . Nuno Lopes . and. José Monteiro. Deriving preconditions by hand is hard; WPs are often non-trivial. WPs derived by hand are often wrong!. Weaker preconditions expose more optimization opportunities. Hans-J. Boehm, HP Labs. Presented by . Seema Saijpaul. CS-510. Premise. . Multithreaded programs are often written in languages that are not designed with threading primitives. . Thread support in these languages are added through thread libraries (. Computational . Exascale. Workshop. December 2010. Dan Quinlan. Chunhua. Liao, Justin Too, Robb . Matzke. , Peter . Pirkelbauer. Center for Applied Scientific Computing. Lawrence Livermore National Laboratory. Swarun Kumar. Based on slides courtesy: Jorge . Simosa. MIT . 6.033 Spring 2013. Reflections on Trusting Trust. By Ken . Thompson . (UNIX . paper, . co-invented C . and UNIX). Key Ideas:. Difficult . Marc de . Kruijf. Advisor: . Karthikeyan. . Sankaralingam. PhD Defense 07/20/2012. Example. 2. int. sum(. int. *array, . int. . len. ) {. . int. x = 0;. . for. (. int. . i. = 0; . i. < . Size of the source language (bigger = harder). Extent of change during compiler construction (more changes = harder). Performance Criteria. Compiler Speed. Code Quality. Error Diagnostics. Portability. Main Text Book:. Compilers: Principles, Techniques & Tools, 2. nd. ed.,. Aho, Lam, Sethi, and Ullman, 2007. Evaluation:. Midterm Exam 35%. Final Exam 35%. Assignments and Quizzes 10%. LIU Xianhua. School of EECS, Peking University. Loops. “Advanced Compiler Techniques”. Content. Concepts:. Dominators. Depth-First Ordering. Back edges. Graph depth. Reducibility. Natural Loops. Efficiency of Iterative Algorithms. usually machine language, sometimes assembly language as an intermediate. for Java and . .net. , compilers convert code into an intermediate format. a just-in-time (JIT) compiler or interpreter then converts it into machine code. Nuno Lopes . and. José Monteiro. Deriving preconditions by hand is hard; WPs are often non-trivial. WPs derived by hand are often wrong!. Weaker preconditions expose more optimization opportunities.