Progress Update Report at Meeting No. 7 Grid Code Distribution Code E3C Small Embedded Generation Frequency Obligation

Nov 17, 2013

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Outstanding Actions . GCRP in collaboration with DCRP was charged with four actions of which two were completed but the progress made on the following two outstanding actions are of concerns:Action 1- GCRP Chair to report by December 2009Address the lack of an explicit frequency range requirement

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Progress Update Report at Meeting No. 7 Grid Code Distribution Code E3C Small Embedded Generation Frequency Obligation

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Code Generation

No variables or registersStack storing values for intermediate results. Stack Machines. PopPopAddPush. Addition in Stack Machine. Instructionspush iaddCompute 5 3push 5push 3add. Addition in Stack Machine. Example: Addition. push 3push 5add2 reads1 write. add 3 5. Top of the s

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Code generation

Code generation. Our book's target machine (appendix A): opcode source1 , source2 , destination add r1, r2, r3 addI r1, c, r2 loadI c, r2 load r1, r2 loadAI r1, c, r2 // r2 := *(r1+c) loadAO r1, r2, r3 i2i r1, r2 // r2 := r1 (for integers)

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Code Generation

Code Generation. Mooly Sagiv html://www.cs.tau.ac.il/~msagiv/courses/wcc06.html. Chapter 4. Tentative Course Schedule. Basic Compiler Phases. Code Generation. Transform the AST into machine code Several phases Many IRs exist Machine instructions can be described by tree patterns

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Code Generation

Code Generation. Presented by: Ashish Poddar Guided by: Prof. J. Fawcett Based on: Coder to Developer (Chapter 8) by Mike GunderLoy. What is this about?. Reusing code

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Code Generation

Code Generation. Discussion Section 11/20/2012. Why iL ?. Clear demarcation between machine dependent and independent parts of the compiler Same language can be processed on different machines using by only changing the IL and re-using the IL->ML conversion

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Code Generation

Code Generation. Read Pages 357-359, 386-389, 410-416 Homework Lab 4. Precedence & Associativity of Operators. + - ! * / mod + - < > <= >= != == & || =. Example: Arithmetic Expressions. exprE ::= exprE || exprD | exprD exprD ::= exprD && exprC | exprC

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Code Generation

Code Generation. Mooly Sagiv html://www.cs.tau.ac.il/~msagiv/courses/wcc11-12.html. Chapter 4. Basic Compiler Phases. Code Generation. Transform the AST into machine code Several phases Many IRs exist Machine instructions can be described by tree patterns

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Code Generation

Code Generation. CPSC 388 Ellen Walker Hiram College. Intermediate Representations. Source code Parse tree (or abstract syntax tree) Symbol table Intermediate code Target code. Why Intermediate Code?. Easier analysis for optimization Multiple target machines

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Code Generation

Code Generation. Tiger Compiler Project. By Mu Li. Phases. Book chapter. Chapter 9-12 Codes about chapter 8 are provided. MIPS. move sw, lw add, sub, mul, div and, or jal, j, beq, bne, bgt… li, la addi, subi, … (optional) more refer to “The MIPS Info Sheet”. MIPS Registers.

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Code Generation

Code Generation. Code generation. Source Code. Front end. Code Optimizer. Code Generator. Intermediate Code. Intermediate Code. Symbol Table. Target Code. Code generator. Back end compiler module Takes IR as input Produces target code

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Code Generation

Code Generation. Gülfem Savrun Yeniçeri CS 142 (b) 02/26/2013. Code Generation. Translates intermediate representation into machine code Generated code is target specific x86 ARM. Code Generation. . class file. Parser. SSA Generator. Optimizations. Register Allocator.

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Code Generation

Code Generation. Compiler Baojian Hua bjhua@ustc.edu.cn. Middle and Back End. translation. AST. IR1. translation. IR2. other IR and translation. asm. Back-end Structure. instruction selector. IR. Assem. register allocator. TempMap. instruction scheduler. Assem. Recap.

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Code Generation

Code Generation. SuperSet Code Generation. Template Definition. A pattern or gauge, such as a thin metal plate with a cut pattern, used as a guide in making something accurately, as in woodworking or the carving of architectural profiles (the free Online Dictionary). Text Template.

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Code Generation

Code Generation. CS 480. Can be complex. To do a good job of teaching about code generation I could easily spend ten weeks But, don ’ t have ten weeks, so I ’ ll do it in one lecture (Obviously, I ’ ll omit a lot of material). Remember Reverse Polish Notation. Remember RPN?

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Code Generation

Code Generation. Mooly Sagiv html://www.cs.tau.ac.il/~msagiv/courses/wcc03.html. Chapter 4.2. Basic Compiler Phases. Code generation issues. Code selection Register allocation Instruction ordering. Simplifications. Consider small parts of AST at time One expression at the time

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Code Generation

Code Generation. Lightning talk 22 July 2004. Morgan Stanley Infrastructure APIs. Talk SOAP to services Authentication Resource discovery Notification (Outage, Metric, Alerts, etc.) Message broadcasting Lots of languages Perl Java C/C++ C#. MSDW::Eclipse - authentication.

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Code Generation

Code Generation. Why and how. Why generate code. Manufacturer’s claims Higher productivity in terms of quantity and conformity of code Higher flexibility in that the developer is not afraid to repeat the process several times and is therefore more adventurous

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Code Generation

Code Generation. CS 540 George Mason University. Compiler Architecture. Intermediate Language. Intermediate Language. Scanner (lexical analysis). Parser (syntax analysis). Semantic Analysis (IC generator). Code Optimizer. Code Generator. Source language. Target language.

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Code Generation

Code Generation. How to produce intermediate or target code. Outline. Intermediate code Three-address code P-code Code generation techniques Using attribute grammar Tree traversal Macro expansion Address Calculation Code generation for control statements

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Code Generation

Code Generation. Data Dependency Graph. (a) t1 := ld(x); (b) t2 := t1 + 4; (c) t3 := t1 * 8; (d) t4 := t1 - 4; (e) t5 := t1 / 2; (f) t6 := t2 * t3; (g) t7 := t4 - t5; (h) t8 := t6 * t7; (i) st(y,t8);. B3. a. b. c. d. e. Data Dependency Graph. (a) t1 := ld(x);

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Code Generation

Code Generation. Introduction. Front end. Code Optimizer. Code generator. Target program. Source program. Intermediate code. Intermediate code. Symbol table. Position of code generator.

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Code Generation

Code Generation. Code Generation. The target machine Runtime environment Basic blocks and flow graphs Instruction selection Instruction selector generator Register allocation Peephole optimization. The Target Machine.

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