This classic book, known to professors, students, and developers worldwide as "the Dragon Book" is the bible of compiler design.  It provides a thorough grounding in the theory and practice of compilers.  

Now available online are new chapters from the forthcoming second edition.   Authors Aho, Lam, Sethi and Ullman have written all new material to address the monumental changes in computing that have occurred since the last edition published in 1986, from high level languages (object-oriented programming) to computer architecture (RISC).

New chapters include:

Chapter 5          Syntax-Directed Translation

Chapter 6          Intermediate-Code Generation

Chapter 7          Object-Code Generation

Chapter 8          Run-Time Environments

Chapter 9          Machine-Independent Optimizations

Chapter 10        Instruction-Level Parallelism

Chapter 11        Optimizing for Parallelism and Locality

To see the online chapters, click here: www.aw.com/dragonbook.