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Computer Architecture II: Specialized 0909.444.01/02 Fall 2001

Computer Architecture II: Specialized 0909.444.01/02 Fall 2001. Lecture 2 October 31, 2001. John L. Schmalzel Shreekanth Mandayam ECE Department Rowan University http://engineering.rowan.edu/~shreek/fall01/comparch2/. Plan. Recall: Floating Point Representation IEEE 754 Standard

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Computer Architecture II: Specialized 0909.444.01/02 Fall 2001

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  1. Computer Architecture II: Specialized0909.444.01/02Fall 2001 Lecture 2October 31, 2001 John L. Schmalzel Shreekanth Mandayam ECE Department Rowan University http://engineering.rowan.edu/~shreek/fall01/comparch2/

  2. Plan • Recall: Floating Point Representation • IEEE 754 Standard • IA-32 Data Types • Floating Point Arithmetic • IEEE 754 implementation • Class Discussion: Presentation Project Selection

  3. Biased Exponent Significand/Mantissa/Fraction Sign bit Recall: FP Representation 8 bits 23 bits Sign of Mantissa

  4. Floating Point:Expressible Numbers

  5. IEEE 754 Standard

  6. IEEE 754 Numbers and NaNs

  7. IA-32 Architecture: Data Types

  8. IA-32 Architecture: Numeric Data Types

  9. IA-32 Architecture: Numeric Data Types

  10. IA-32:Numbers and NaNs

  11. FP Addition/Subtraction

  12. FPMultiplication

  13. FP Division

  14. References • William Stallings, Computer Organization and Architecture, 5th Edition, Prentice-Hall, 2000. • ftp://ftp.prenhall.com/pub/esm/computer_science.s-041/stallings/Slides/COA5e-Slides/ • IA-32 Intel Architecture Software Developer’s Manual Volume 1: Basic Architecture • http://www.intel.com/home/pentium4/

  15. Summary

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