'Int goto max int' presentation slideshows

Reading Condition Codes (Cont.)

Reading Condition Codes (Cont.). SetX Instructions Set single byte based on combinations of condition codes One of 8 addressable byte registers Embedded within first 4 integer registers Does not alter remaining 3 bytes Typically use movzbl to finish job. %eax. %ah. %al. %edx. %dh.

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CS 3214 Introduction to Computer Systems

CS 3214 Introduction to Computer Systems. Godmar Back. Lecture 3. Announcements. Exercise 2 due Wed, Sep 2 Exercise 3 due Fri, Sep 4 Project 1 due Wed, Sep 16 Please read instructions first Must be done on McB 124 machines or on rlogin cluster Auto-fail rule 1:

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Introduction to Systems Software

Introduction to Systems Software. CSE 361S Fred Kuhns. Plan for Today. Machine-Level Programming: II x86 Condition codes x86 assembly control flow. Condition Codes. Single Bit Registers CF Carry Flag SF Sign Flag ZF Zero Flag OF Overflow Flag

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Machine-Level Programming II: Control Flow

Machine-Level Programming II: Control Flow. Today Condition codes Control flow structures Next time Procedures. Condition codes. Single bit registers CF Carry Flag SF Sign Flag ZF Zero Flag OF Overflow Flag Implicitly set by arithmetic operations addl Src,Dest

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Machine-Level Programming II Control Flow Feb. 3, 2000

Machine-Level Programming II Control Flow Feb. 3, 2000. Topics Condition Codes Setting Testing Control Flow If-then-else Varieties of Loops Switch Statements. 15-213. class06.ppt. Condition Codes. Single Bit Registers CF Carry Flag ZF Zero Flag SF Sign Flag OF Overflow Flag

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Machine-Level Programming II Control Flow Sept. 14, 2000

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CS 3214 Computer Systems

CS 3214 Computer Systems. Godmar Back. Lecture 3. Announcements. Office hours today: Back: 1:30pm – 3pm Puran: 6-8pm Exercise 1 due tomorrow Exercise 2 & Project 1 will be posted later today Please read instructions first Must be done on McB 124 machines or on rlogin cluster

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CS 3214 Computer Systems

CS 3214 Computer Systems. Godmar Back. Lecture 3. Announcements. Exercise 2 handed out, due Monday Project 1 due Wed, Feb 10 Posted later today Please read instructions first Must be done on McB 124 machines or on rlogin cluster Auto-fail rule 1:

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Conditional Statements

239 views • 10 slides