CN1103077C - 整数除法运算装置及整数除法运算方法 - Google Patents
整数除法运算装置及整数除法运算方法 Download PDFInfo
- Publication number
- CN1103077C CN1103077C CN94191178A CN94191178A CN1103077C CN 1103077 C CN1103077 C CN 1103077C CN 94191178 A CN94191178 A CN 94191178A CN 94191178 A CN94191178 A CN 94191178A CN 1103077 C CN1103077 C CN 1103077C
- Authority
- CN
- China
- Prior art keywords
- dividend
- mentioned
- divisor
- integer
- contraposition
- 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 - Lifetime
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Classifications
-
- 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
- G06F7/52—Multiplying; Dividing
-
- 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
- G06F7/52—Multiplying; Dividing
- G06F7/535—Dividing only
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F2207/535—Indexing scheme relating to groups G06F7/535 - G06F7/5375
- G06F2207/5353—Restoring division
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computational Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Executing Machine-Instructions (AREA)
- Complex Calculations (AREA)
- Image Processing (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/167,006 | 1993-12-15 | ||
US08/167,006 US5493523A (en) | 1993-12-15 | 1993-12-15 | Mechanism and method for integer divide involving pre-alignment of the divisor relative to the dividend |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1117763A CN1117763A (zh) | 1996-02-28 |
CN1103077C true CN1103077C (zh) | 2003-03-12 |
Family
ID=22605562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94191178A Expired - Lifetime CN1103077C (zh) | 1993-12-15 | 1994-12-15 | 整数除法运算装置及整数除法运算方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5493523A (zh) |
EP (1) | EP0684548B1 (zh) |
JP (1) | JP3564138B2 (zh) |
KR (1) | KR100305544B1 (zh) |
CN (1) | CN1103077C (zh) |
DE (1) | DE69430053T2 (zh) |
HK (1) | HK1018168A1 (zh) |
TW (1) | TW280891B (zh) |
WO (1) | WO1995016951A1 (zh) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5754460A (en) * | 1995-05-26 | 1998-05-19 | National Semiconductor Corporation | Method for performing signed division |
US5946223A (en) * | 1995-12-08 | 1999-08-31 | Matsushita Electric Industrial Co. Ltd. | Subtraction/shift-type dividing device producing a 2-bit partial quotient in each cycle |
US5805489A (en) * | 1996-05-07 | 1998-09-08 | Lucent Technologies Inc. | Digital microprocessor device having variable-delay division hardware |
US5768573A (en) * | 1996-11-20 | 1998-06-16 | International Business Machines Corporation | Method and apparatus for computing a real time clock divisor |
TW374885B (en) * | 1997-06-06 | 1999-11-21 | Matsushita Electric Ind Co Ltd | The arithmetic unit |
US6317771B1 (en) * | 1998-01-15 | 2001-11-13 | Altera Corporation | Method and apparatus for performing digital division |
US20040249877A1 (en) * | 2003-06-05 | 2004-12-09 | International Business Machines Corporation | Fast integer division with minimum number of iterations in substraction-based hardware divide processor |
US7403966B2 (en) * | 2003-12-08 | 2008-07-22 | Freescale Semiconductor, Inc. | Hardware for performing an arithmetic function |
US7734901B2 (en) * | 2005-10-31 | 2010-06-08 | Mips Technologies, Inc. | Processor core and method for managing program counter redirection in an out-of-order processor pipeline |
US7711934B2 (en) * | 2005-10-31 | 2010-05-04 | Mips Technologies, Inc. | Processor core and method for managing branch misprediction in an out-of-order processor pipeline |
US20070204139A1 (en) | 2006-02-28 | 2007-08-30 | Mips Technologies, Inc. | Compact linked-list-based multi-threaded instruction graduation buffer |
US7721071B2 (en) * | 2006-02-28 | 2010-05-18 | Mips Technologies, Inc. | System and method for propagating operand availability prediction bits with instructions through a pipeline in an out-of-order processor |
US20080016326A1 (en) | 2006-07-14 | 2008-01-17 | Mips Technologies, Inc. | Latest producer tracking in an out-of-order processor, and applications thereof |
US7370178B1 (en) * | 2006-07-14 | 2008-05-06 | Mips Technologies, Inc. | Method for latest producer tracking in an out-of-order processor, and applications thereof |
US7650465B2 (en) | 2006-08-18 | 2010-01-19 | Mips Technologies, Inc. | Micro tag array having way selection bits for reducing data cache access power |
US7657708B2 (en) * | 2006-08-18 | 2010-02-02 | Mips Technologies, Inc. | Methods for reducing data cache access power in a processor using way selection bits |
US7647475B2 (en) * | 2006-09-06 | 2010-01-12 | Mips Technologies, Inc. | System for synchronizing an in-order co-processor with an out-of-order processor using a co-processor interface store data queue |
US8032734B2 (en) * | 2006-09-06 | 2011-10-04 | Mips Technologies, Inc. | Coprocessor load data queue for interfacing an out-of-order execution unit with an in-order coprocessor |
US8078846B2 (en) | 2006-09-29 | 2011-12-13 | Mips Technologies, Inc. | Conditional move instruction formed into one decoded instruction to be graduated and another decoded instruction to be invalidated |
US9946547B2 (en) * | 2006-09-29 | 2018-04-17 | Arm Finance Overseas Limited | Load/store unit for a processor, and applications thereof |
US20080082793A1 (en) * | 2006-09-29 | 2008-04-03 | Mips Technologies, Inc. | Detection and prevention of write-after-write hazards, and applications thereof |
US7594079B2 (en) | 2006-09-29 | 2009-09-22 | Mips Technologies, Inc. | Data cache virtual hint way prediction, and applications thereof |
JP2009175958A (ja) * | 2008-01-23 | 2009-08-06 | Seiko Epson Corp | 除算器および除算方法、並びに除算器を用いた画像符号化装置 |
JP5397061B2 (ja) * | 2009-07-21 | 2014-01-22 | 富士通株式会社 | 演算処理装置、その制御方法および演算処理プログラム |
RU2498393C1 (ru) * | 2012-07-27 | 2013-11-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Вятский государственный университет ФГБОУ ВПО "ВятГУ" | Способ деления целых двоичных чисел без остатка начиная с младших разрядов |
US9747074B2 (en) | 2014-02-25 | 2017-08-29 | Kabushiki Kaisha Toshiba | Division circuit and microprocessor |
CN111104092B (zh) * | 2019-12-06 | 2022-10-11 | 北京多思安全芯片科技有限公司 | 一种快速除法器和除法运算方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3293418A (en) * | 1964-07-08 | 1966-12-20 | Control Data Corp | High speed divider |
US4380051A (en) * | 1980-11-28 | 1983-04-12 | Motorola, Inc. | High speed digital divider having normalizing circuitry |
US4460970A (en) * | 1981-05-22 | 1984-07-17 | Data General Corporation | Digital data processing system using unique techniques for handling the leading digits and the signs of operands in arithmetic operations |
US4760550A (en) * | 1986-09-11 | 1988-07-26 | Amdahl Corporation | Saving cycles in floating point division |
JP2585649B2 (ja) * | 1987-11-30 | 1997-02-26 | インデータシステムズ株式会社 | 除算回路 |
DE68927398T2 (de) * | 1988-08-29 | 1997-05-28 | Nippon Electric Co | Digitale Divisionsschaltung mit einem N/2-Bit-Subtrahierer für N-Subtraktionen |
US5097435A (en) * | 1988-12-24 | 1992-03-17 | Kabushiki Kaisha Toshiba | High speed dividing apparatus |
JPH02194430A (ja) * | 1989-01-24 | 1990-08-01 | Oki Electric Ind Co Ltd | 除算器 |
JPH04283832A (ja) * | 1991-03-13 | 1992-10-08 | Fujitsu Ltd | 除算回路 |
JPH0540609A (ja) * | 1991-08-02 | 1993-02-19 | Toshiba Corp | 浮動小数点除算装置 |
JPH0553768A (ja) * | 1991-08-23 | 1993-03-05 | Mitsubishi Electric Corp | 除算器 |
JPH0573271A (ja) * | 1991-09-17 | 1993-03-26 | Nec Ic Microcomput Syst Ltd | 除算回路 |
US5317531A (en) * | 1992-04-02 | 1994-05-31 | Intel Corporation | Apparatus for reducing the size of an arithmetic and logic unit necessary to practice non-restore division |
US5297073A (en) * | 1992-08-19 | 1994-03-22 | Nec Electronics, Inc. | Integer divide using shift and subtract |
-
1993
- 1993-12-15 US US08/167,006 patent/US5493523A/en not_active Expired - Lifetime
-
1994
- 1994-12-15 EP EP95902962A patent/EP0684548B1/en not_active Expired - Lifetime
- 1994-12-15 DE DE69430053T patent/DE69430053T2/de not_active Expired - Lifetime
- 1994-12-15 JP JP51666695A patent/JP3564138B2/ja not_active Expired - Lifetime
- 1994-12-15 CN CN94191178A patent/CN1103077C/zh not_active Expired - Lifetime
- 1994-12-15 WO PCT/JP1994/002109 patent/WO1995016951A1/ja active IP Right Grant
- 1994-12-15 KR KR1019950703430A patent/KR100305544B1/ko not_active IP Right Cessation
-
1995
- 1995-02-11 TW TW084101214A patent/TW280891B/zh not_active IP Right Cessation
-
1998
- 1998-12-22 HK HK98114553A patent/HK1018168A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR960701397A (ko) | 1996-02-24 |
KR100305544B1 (ko) | 2001-11-22 |
EP0684548A1 (en) | 1995-11-29 |
TW280891B (zh) | 1996-07-11 |
HK1018168A1 (en) | 1999-12-10 |
JP3564138B2 (ja) | 2004-09-08 |
WO1995016951A1 (fr) | 1995-06-22 |
EP0684548A4 (en) | 1996-04-03 |
DE69430053D1 (de) | 2002-04-11 |
US5493523A (en) | 1996-02-20 |
DE69430053T2 (de) | 2002-11-21 |
CN1117763A (zh) | 1996-02-28 |
EP0684548B1 (en) | 2002-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: MIPS TECHNOLOGY CO.,LTD. Free format text: FORMER OWNER: SILICON IMAGE CO., LTD. Effective date: 20020911 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20020911 Address after: Tokyo, Japan Applicant after: Toshiba Corp. Co-applicant after: MIPS Technologies, Inc. Address before: Tokyo, Japan Applicant before: Toshiba Corp. Co-applicant before: Silicon Graphics, Inc. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: BRIDGE DECK LLC Free format text: FORMER OWNER: MIPS TECHNOLOGIES INC. Effective date: 20141231 Owner name: ARM FINANCE OVERSEAS LTD. Free format text: FORMER OWNER: BRIDGE DECK LLC Effective date: 20141231 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20141231 Address after: Tokyo, Japan Patentee after: Toshiba Corp. Patentee after: ARM Overseas Finance Co.,Ltd. Address before: Tokyo, Japan Patentee before: Toshiba Corp. Patentee before: Overpass Bridge Co.,Ltd. Effective date of registration: 20141231 Address after: Tokyo, Japan Patentee after: Toshiba Corp. Patentee after: Overpass Bridge Co.,Ltd. Address before: Tokyo, Japan Patentee before: Toshiba Corp. Patentee before: MIPS Technologies, Inc. |
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C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20141215 Granted publication date: 20030312 |