'Goto' diaporamas de présentation

Chap 8: Intermedicate Code Generation

Chap 8: Intermedicate Code Generation. Prof. Steven A. Demurjian Computer Science & Engineering Department The University of Connecticut 371 Fairfield Way, Unit 2155 Storrs, CT 06269-3155. steve@engr.uconn.edu http://www.engr.uconn.edu/~steve (860) 486 - 4818.

890 views • 83 slides

Introduction to Optimizations

Introduction to Optimizations. Guo, Yao. Outline. Optimization Rules Basic Blocks Control Flow Graph (CFG) Loops Local Optimizations Peephole optimization. Levels of Optimizations. Local inside a basic block Global (intraprocedural) Across basic blocks Whole procedure analysis

809 views • 64 slides

Intermediate Code Generation

Intermediate Code Generation. Abstraction at the source level identifiers, operators, expressions, statements, conditionals, iteration, functions (user defined, system defined or libraries) Abstraction at the target level

834 views • 52 slides

Chapter 9 Code optimization Section 0 overview

Front end. target program. Code optimizer. Code generator. Source program. Intermediate code. Intermediate code. Chapter 9 Code optimization Section 0 overview. 1.Position of code optimizer 2.Purpose of code optimizer to get better efficiency Run faster Take less space.

752 views • 52 slides

Machine-Level Programming II: Control Flow September 1, 2008

597 views • 50 slides

Machine-Level Programming II: Control Flow Sept. 13, 2006

656 views • 50 slides

The origin of E+A galaxies

The origin of E+A galaxies. Tomo Goto Japan Aerospace Exploration Agency. January. In Chile. In Japan. The origin of E+A galaxies. Strong Balmer absorption No [OII], no H? Post-starburst A star + absorption lines E+A galaxies K+A galaxies. Tomo Goto Japan Aerospace Exploration Agency.

526 views • 41 slides

Intermediate Code Generation

Intermediate Code Generation. Intermediate Code Generation. Intermediate languages Declarations Expressions Statements. :=. a. +. *. *. -. -. b. b. c. c. Intermediate Languages. Syntax tree Postfix notation a b c - * b c - * + := Three-address code.

602 views • 32 slides

Machine-Level Programming 2 Control Flow

Machine-Level Programming 2 Control Flow. Topics Condition Codes Setting Testing Control Flow If-then-else Varieties of Loops Switch Statements. %eax. %edx. %ecx. %ebx. %esi. %edi. %esp. %ebp. Processor State (IA32, Partial). Information about currently executing program

394 views • 28 slides

Chapter 2

407 views • 27 slides

EECS 314 Computer Architecture

EECS 314 Computer Architecture. Language of the Machine. Function Calling. Instructor: Francis G. Wolff wolff@eecs.cwru.edu Case Western Reserve University This presentation uses powerpoint animation: please viewshow. Review: Control Flow.

481 views • 27 slides

Instruction Set Architecture

Instruction Set Architecture. MIPS Section 2.6-2.7,2.8,2.9. Instructions for Making Decisions. beq reg1, reg2, L1 Go to the statement labeled L1 if the value in reg1 equals the value in reg2 bne reg1, reg2, L1

358 views • 26 slides

Test 1 Post Mortem

Test 1 Post Mortem. CSCE 531 Compiler Construction. Topics Questions and points Grade Distribution Answers. February 20, 2006. Questions and Point Evaluations. 5 Recursive Descent parsing Transition diagram 7pts recursive parsing 7pts LL(1) table construction pts Modifications 1 pt

331 views • 21 slides

??????? ??

?????????. ??????? ??. ??????. a) ???. b) ???. ??????????. ??????????????. ??????? ?? / ????? ???. LOOP0 MOVLW D'20' MOVWF KAISU MOVLW D'0' MOVWF HENKA CHECK1 BTFSC PORTA,5 GOTO CHECK2 CALL WAIT1

265 views • 17 slides

267 views • 16 slides

LR ? LL ??

LR ? LL ??. ???????? ??? PB1011053. Conten t. 1. ??????? 2. ??????? 3. ???? 4. ???????. ????. ????? 1. ????? ????? ? ?????????????????????? 2. ???? ?? ??????? ???? ?????? ? ???????????? A-> aA , A->Aa

246 views • 13 slides

16.317 Microprocessor Systems Design I

177 views • 8 slides

Examples of Basic Blocks

Examples of Basic Blocks. t7. +. t5. t4. *. +. t1. t3. *. *. b. b. t2. 2. *. a. a. a. b. a b. Following sequence of three-address statements forms a basic block: t1 : = a * a t2 := a * b t3 := 2 * t2 t4 := t1+ t3 t5 := b * b t6 := t4 + t5

172 views • 6 slides

Where you can find the course material?

Where you can find the course material?. Note/URL ?? URL: ????????????????? Some course materials are available at: http://www.goto.info.waseda.ac.jp / ~ goto/tokuron.html. Syllabus. Note/URL. ?? URL: ????????????????? Some course materials are available at:

81 views • 2 slides

0000 ADD r1 := r1 + r2 0001 AND r1 := r1 . r2 0010 MOVE r1 := r2

0000 ADD r1 := r1 + r2 0001 AND r1 := r1 . r2 0010 MOVE r1 := r2 0011 COMPL r1 := inv (r2) 0100 LSHIFT r1 := lshift (r2) 0101 RSHIFT r1 := rshift (r2) 0110 GETMBR r1 := MBR 0111 TEST if r2 < 0 then N := true; if r2 = 0 then Z := true 1000 BEGRD MAR := r1; rd

147 views • 1 slides