ATE210850T1 - Eine vorrichtung und ein verfahren zur bestimmung einer zahl von ziffern, die einer bestimmten ziffer vorhergehen - Google Patents

Eine vorrichtung und ein verfahren zur bestimmung einer zahl von ziffern, die einer bestimmten ziffer vorhergehen

Info

Publication number
ATE210850T1
ATE210850T1 AT95304950T AT95304950T ATE210850T1 AT E210850 T1 ATE210850 T1 AT E210850T1 AT 95304950 T AT95304950 T AT 95304950T AT 95304950 T AT95304950 T AT 95304950T AT E210850 T1 ATE210850 T1 AT E210850T1
Authority
AT
Austria
Prior art keywords
digits
count
counter
significant
digit
Prior art date
Application number
AT95304950T
Other languages
English (en)
Inventor
Leonel Lozano
Original Assignee
Advanced Micro Devices Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of ATE210850T1 publication Critical patent/ATE210850T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/74—Selecting or encoding within a word the position of one or more bits having a specified value, e.g. most or least significant one or zero detection, priority encoders

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Communication Control (AREA)
  • Error Detection And Correction (AREA)
  • Facsimile Image Signal Circuits (AREA)
AT95304950T 1994-08-24 1995-07-14 Eine vorrichtung und ein verfahren zur bestimmung einer zahl von ziffern, die einer bestimmten ziffer vorhergehen ATE210850T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/295,347 US5574670A (en) 1994-08-24 1994-08-24 Apparatus and method for determining a number of digits leading a particular digit

Publications (1)

Publication Number Publication Date
ATE210850T1 true ATE210850T1 (de) 2001-12-15

Family

ID=23137312

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95304950T ATE210850T1 (de) 1994-08-24 1995-07-14 Eine vorrichtung und ein verfahren zur bestimmung einer zahl von ziffern, die einer bestimmten ziffer vorhergehen

Country Status (6)

Country Link
US (2) US5574670A (de)
EP (1) EP0703527B1 (de)
JP (1) JPH08179928A (de)
KR (1) KR100382214B1 (de)
AT (1) ATE210850T1 (de)
DE (1) DE69524515T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3313002B2 (ja) * 1994-12-02 2002-08-12 三菱電機株式会社 浮動小数点演算装置
KR970016929A (ko) * 1995-09-25 1997-04-28 김광호 숫자의 표현방법
US6173300B1 (en) * 1998-08-11 2001-01-09 Advanced Micro Devices, Inc. Method and circuit for determining leading or trailing zero count
US6477552B1 (en) 1999-11-18 2002-11-05 Sun Microsystems, Inc. Device and method for performing a leading zero determination on an operand
US6654776B1 (en) * 2000-06-02 2003-11-25 Sun Microsystems, Inc. Method and apparatus for computing parallel leading zero count with offset
US7461110B2 (en) * 2005-05-17 2008-12-02 International Business Machines Corporation Redundancy-free circuits for zero counters
US8189683B2 (en) * 2006-11-28 2012-05-29 General Instrument Corporation Method and system for providing single cycle context weight update leveraging context address look ahead
US7397402B1 (en) * 2007-01-22 2008-07-08 General Instrument Corporation Method and system for providing arithmetic code normalization and byte construction
US20080247459A1 (en) * 2007-04-04 2008-10-09 General Instrument Corporation Method and System for Providing Content Adaptive Binary Arithmetic Coder Output Bit Counting
US8213499B2 (en) * 2007-04-04 2012-07-03 General Instrument Corporation Method and apparatus for context address generation for motion vectors and coefficients
US7652596B1 (en) * 2007-10-22 2010-01-26 Google Inc. Variable-length compression technique for encoding or decoding a sequence of integers
US7609000B1 (en) * 2007-10-22 2009-10-27 Google Inc. Variable-length compression technique for encoding or decoding a sequence of integers
US8244783B2 (en) * 2008-09-11 2012-08-14 International Business Machines Corporation Normalizer shift prediction for log estimate instructions
US8335256B2 (en) * 2008-11-14 2012-12-18 General Instrument Corporation Motion compensation in video coding

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678259A (en) * 1970-07-28 1972-07-18 Singer Co Asynchronous logic for determining number of leading zeros in a digital word
US4189716A (en) * 1977-03-24 1980-02-19 Bell Telephone Laboratories, Incorporated Circuit for determining the number of ones in a binary signal
US4161784A (en) * 1978-01-05 1979-07-17 Honeywell Information Systems, Inc. Microprogrammable floating point arithmetic unit capable of performing arithmetic operations on long and short operands
US4928223A (en) * 1982-10-06 1990-05-22 Fairchild Semiconductor Corporation Floating point microprocessor with directable two level microinstructions
JPS59149539A (ja) * 1983-01-28 1984-08-27 Toshiba Corp 固定小数点−浮動小数点変換装置
US4789956A (en) * 1985-10-16 1988-12-06 Harris Corp. Maximum negative number detector
US5111415A (en) * 1989-11-06 1992-05-05 Hewlett-Packard Company Asynchronous leading zero counter employing iterative cellular array
US5058048A (en) * 1990-04-02 1991-10-15 Advanced Micro Devices, Inc. Normalizing pipelined floating point processing unit
US5053631A (en) * 1990-04-02 1991-10-01 Advanced Micro Devices, Inc. Pipelined floating point processing unit
US5128888A (en) * 1990-04-02 1992-07-07 Advanced Micro Devices, Inc. Arithmetic unit having multiple accumulators
US5204825A (en) * 1991-08-30 1993-04-20 Weitek Corporation Method and apparatus for exact leading zero prediction for a floating-point adder
US5241490A (en) * 1992-01-06 1993-08-31 Intel Corporation Fully decoded multistage leading zero detector and normalization apparatus
US5257215A (en) * 1992-03-31 1993-10-26 Intel Corporation Floating point and integer number conversions in a floating point adder
US5317527A (en) * 1993-02-10 1994-05-31 Digital Equipment Corporation Leading one/zero bit detector for floating point operation
US5450607A (en) * 1993-05-17 1995-09-12 Mips Technologies Inc. Unified floating point and integer datapath for a RISC processor
US5499352A (en) * 1993-09-30 1996-03-12 Intel Corporation Floating point register alias table FXCH and retirement floating point register array
US5574928A (en) * 1993-10-29 1996-11-12 Advanced Micro Devices, Inc. Mixed integer/floating point processor core for a superscalar microprocessor with a plurality of operand buses for transferring operand segments
WO1995031767A1 (en) * 1994-05-11 1995-11-23 Vlsi Technology, Inc. Floating-point processor with apparent-precision based selection of execution-precision
US5696955A (en) * 1994-06-01 1997-12-09 Advanced Micro Devices, Inc. Floating point stack and exchange instruction

Also Published As

Publication number Publication date
KR100382214B1 (ko) 2003-07-18
EP0703527A1 (de) 1996-03-27
US5798953A (en) 1998-08-25
DE69524515D1 (de) 2002-01-24
JPH08179928A (ja) 1996-07-12
US5574670A (en) 1996-11-12
DE69524515T2 (de) 2002-07-25
EP0703527B1 (de) 2001-12-12

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