ICS233_Lecture5 Slides

ICS233_Lecture5 Slides - Computer Architecture Assembly...

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1 Lecture Slides on Computer Architecture ICS 233 @ Dr A R Naseer 1 MIPS MIPS PROCESSOR PROCESSOR INSTRUCTION SET INSTRUCTION SET ICS 233 ICS 233 Computer Architecture & Computer Architecture & Assembly Language Assembly Language Lecture Slides on Computer Architecture ICS 233 @ Dr A R Naseer 2 ICS 233 ICS 233 Computer Architecture & Computer Architecture & Assembly Language Assembly Language Lecture 5 Lecture 5
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2 Lecture Slides on Computer Architecture ICS 233 @ Dr A R Naseer 3 Lecture Outline ± MIPS Instruction Classes ± MIPS Instruction R-Type Format ± MIPS Arithmetic & Logical Instructions Lecture Slides on Computer Architecture ICS 233 @ Dr A R Naseer 4 MIPS Instruction Set ± MIPS Instructions can be classified into following categories ² Integer Arithmetic Arithmetic, logical, and shift instructions ² Data Transfer Load and store instructions that access memory Data movement and conversions ² Jump and Branch Flow-control instructions that alter the sequential sequence ² Floating Point Arithmetic Instructions that operate on floating-point registers ² Miscellaneous Instructions that transfer control to/from exception handlers Memory management instructions
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3 Lecture Slides on Computer Architecture ICS 233 @ Dr A R Naseer 5 R-Type Format Op : operation code (opcode) – Specifies the operation of the instruction – Also specifies the format of the instruction funct : function code – extends the opcode –U p t o 2 6 = 64 functions can be defined for the same opcode – MIPS uses opcode 0 to define R-type instructions Three Register Operands (common to many instructions) Rs , Rt
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This note was uploaded on 01/27/2011 for the course ICS 253 taught by Professor Arnasser during the Spring '10 term at GWU.

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ICS233_Lecture5 Slides - Computer Architecture Assembly...

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