DE68924479T2 - Gerät um festzustellen, ob während einer Verschiebungsoperation Daten in Verlust geraten. - Google Patents

Gerät um festzustellen, ob während einer Verschiebungsoperation Daten in Verlust geraten.

Info

Publication number
DE68924479T2
DE68924479T2 DE68924479T DE68924479T DE68924479T2 DE 68924479 T2 DE68924479 T2 DE 68924479T2 DE 68924479 T DE68924479 T DE 68924479T DE 68924479 T DE68924479 T DE 68924479T DE 68924479 T2 DE68924479 T2 DE 68924479T2
Authority
DE
Germany
Prior art keywords
data
lost during
move operation
move
lost
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE68924479T
Other languages
English (en)
Other versions
DE68924479D1 (de
Inventor
Peter William Cook
Robert Kevin Montoye
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE68924479D1 publication Critical patent/DE68924479D1/de
Publication of DE68924479T2 publication Critical patent/DE68924479T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G06F5/01—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising
    • G06F5/015—Methods or arrangements for data conversion without changing the order or content of the data handled for shifting, e.g. justifying, scaling, normalising having at least two separately controlled shifting levels, e.g. using shifting matrices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49942—Significance control
    • G06F7/49947—Rounding
    • G06F7/49952—Sticky bit

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Complex Calculations (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Feedback Control In General (AREA)
DE68924479T 1989-01-13 1989-12-13 Gerät um festzustellen, ob während einer Verschiebungsoperation Daten in Verlust geraten. Expired - Fee Related DE68924479T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/297,639 US4931970A (en) 1989-01-13 1989-01-13 Apparatus for determining if there is a loss of data during a shift operation

Publications (2)

Publication Number Publication Date
DE68924479D1 DE68924479D1 (de) 1995-11-09
DE68924479T2 true DE68924479T2 (de) 1996-05-30

Family

ID=23147146

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68924479T Expired - Fee Related DE68924479T2 (de) 1989-01-13 1989-12-13 Gerät um festzustellen, ob während einer Verschiebungsoperation Daten in Verlust geraten.

Country Status (4)

Country Link
US (1) US4931970A (de)
EP (1) EP0377845B1 (de)
JP (1) JPH02239324A (de)
DE (1) DE68924479T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03100827A (ja) * 1989-09-14 1991-04-25 Mitsubishi Electric Corp オーバフロー検出回路
JP2617252B2 (ja) * 1991-07-11 1997-06-04 三田工業株式会社 プリンタ
US5424967A (en) * 1993-11-29 1995-06-13 Hewlett-Packard Company Shift and rounding circuit and method
US5745393A (en) * 1996-10-17 1998-04-28 Samsung Electronics Company, Ltd. Left-shifting an integer operand and providing a clamped integer result
US5844827A (en) * 1996-10-17 1998-12-01 Samsung Electronics Co., Ltd. Arithmetic shifter that performs multiply/divide by two to the nth power for positive and negative N
US5930159A (en) * 1996-10-17 1999-07-27 Samsung Electronics Co., Ltd Right-shifting an integer operand and rounding a fractional intermediate result to obtain a rounded integer result
US5944874A (en) * 1997-06-23 1999-08-31 Praxair Technology, Inc. Solid electrolyte ionic conductor systems for the production of high purity nitrogen
US5851266A (en) * 1997-06-23 1998-12-22 Praxair Technology,Inc. Hybrid solid electrolyte ionic conductor systems for purifying inert gases

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4338675A (en) * 1980-02-13 1982-07-06 Intel Corporation Numeric data processor
JPS5750049A (en) * 1980-09-09 1982-03-24 Toshiba Corp Shifting circuit
US4396994A (en) * 1980-12-31 1983-08-02 Bell Telephone Laboratories, Incorporated Data shifting and rotating apparatus
JPS63229521A (ja) * 1987-03-19 1988-09-26 Matsushita Electric Ind Co Ltd シフト回路

Also Published As

Publication number Publication date
US4931970A (en) 1990-06-05
EP0377845A2 (de) 1990-07-18
EP0377845A3 (de) 1992-05-13
DE68924479D1 (de) 1995-11-09
JPH02239324A (ja) 1990-09-21
EP0377845B1 (de) 1995-10-04
JPH0429091B2 (de) 1992-05-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee