DE68924082D1 - Datenverarbeitungseinheit mit einem Umgehungsmechanismus. - Google Patents

Datenverarbeitungseinheit mit einem Umgehungsmechanismus.

Info

Publication number
DE68924082D1
DE68924082D1 DE68924082T DE68924082T DE68924082D1 DE 68924082 D1 DE68924082 D1 DE 68924082D1 DE 68924082 T DE68924082 T DE 68924082T DE 68924082 T DE68924082 T DE 68924082T DE 68924082 D1 DE68924082 D1 DE 68924082D1
Authority
DE
Germany
Prior art keywords
processing unit
data processing
bypass mechanism
bypass
data
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
DE68924082T
Other languages
English (en)
Other versions
DE68924082T2 (de
Inventor
Taizo Sato
Kouji Kanamaru
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Application granted granted Critical
Publication of DE68924082D1 publication Critical patent/DE68924082D1/de
Publication of DE68924082T2 publication Critical patent/DE68924082T2/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
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30098—Register arrangements
    • G06F9/30141—Implementation provisions of register files, e.g. ports
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30098—Register arrangements
    • G06F9/30105—Register structure
    • G06F9/30112—Register structure comprising data of variable length

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Executing Machine-Instructions (AREA)
  • Bus Control (AREA)
  • Advance Control (AREA)
DE68924082T 1988-03-08 1989-03-07 Datenverarbeitungseinheit mit einem Umgehungsmechanismus. Expired - Fee Related DE68924082T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63054362A JP2617974B2 (ja) 1988-03-08 1988-03-08 データ処理装置

Publications (2)

Publication Number Publication Date
DE68924082D1 true DE68924082D1 (de) 1995-10-12
DE68924082T2 DE68924082T2 (de) 1996-05-30

Family

ID=12968535

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68924082T Expired - Fee Related DE68924082T2 (de) 1988-03-08 1989-03-07 Datenverarbeitungseinheit mit einem Umgehungsmechanismus.

Country Status (5)

Country Link
US (1) US5101489A (de)
EP (1) EP0334103B1 (de)
JP (1) JP2617974B2 (de)
KR (1) KR920003180B1 (de)
DE (1) DE68924082T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0405318A3 (en) * 1989-06-20 1991-11-27 Nec Corporation Microprocessor having cash bypass signal terminal
US5442769A (en) * 1990-03-13 1995-08-15 At&T Corp. Processor having general registers with subdivisions addressable in instructions by register number and subdivision type
JP2734465B2 (ja) * 1991-04-10 1998-03-30 三菱電機株式会社 ネットワーク用入出力装置
JPH05313854A (ja) * 1992-05-08 1993-11-26 Fujitsu Ltd レジスタファイル
JP2924643B2 (ja) * 1994-05-19 1999-07-26 ヤマハ株式会社 ディジタル信号処理方法及び装置
JP3547139B2 (ja) * 1995-03-17 2004-07-28 株式会社 日立製作所 プロセッサ
JP3526976B2 (ja) * 1995-08-03 2004-05-17 株式会社日立製作所 プロセッサおよびデータ処理装置
US7020726B2 (en) * 2001-05-24 2006-03-28 Lsi Logic Corporation Methods and apparatus for signaling to switch between different bus bandwidths
JP2007122626A (ja) * 2005-10-31 2007-05-17 Matsushita Electric Ind Co Ltd マイクロプロセッサ
US7620756B2 (en) * 2006-08-21 2009-11-17 International Business Machines Corporation Method and apparatus for updating wide storage array over a narrow bus

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3541518A (en) * 1967-09-27 1970-11-17 Ibm Data handling apparatus employing an active storage device with plural selective read and write paths
JPS52130249A (en) * 1976-04-26 1977-11-01 Hitachi Ltd Register write-in system
US4189770A (en) * 1978-03-16 1980-02-19 International Business Machines Corporation Cache bypass control for operand fetches
US4219874A (en) * 1978-03-17 1980-08-26 Gusev Valery Data processing device for variable length multibyte data fields
JPS6057605B2 (ja) * 1978-09-07 1985-12-16 松下電器産業株式会社 マイクロコンピュ−タ回路
JPS5537650A (en) * 1978-09-07 1980-03-15 Matsushita Electric Ind Co Ltd Microcomputer
US4224684A (en) * 1978-09-22 1980-09-23 International Business Machines Corporation Receive/bypass circuit for subsystems in polling system
US4268907A (en) * 1979-01-22 1981-05-19 Honeywell Information Systems Inc. Cache unit bypass apparatus
US4433374A (en) * 1980-11-14 1984-02-21 Sperry Corporation Cache/disk subsystem with cache bypass
JPS5798028A (en) * 1980-12-10 1982-06-18 Sanyo Electric Co Ltd Logical circuit
JPS57191751A (en) * 1981-05-21 1982-11-25 Toshiba Corp Integrated circuit information processing device
JPS5968058A (ja) * 1982-10-13 1984-04-17 Hitachi Ltd フロ−テイング乗算器
US4719568A (en) * 1982-12-30 1988-01-12 International Business Machines Corporation Hierarchical memory system including separate cache memories for storing data and instructions
US4590556A (en) * 1983-01-17 1986-05-20 Tandy Corporation Co-processor combination
US4635194A (en) * 1983-05-02 1987-01-06 International Business Machines Corporation Instruction buffer bypass apparatus
US4742454A (en) * 1983-08-30 1988-05-03 Amdahl Corporation Apparatus for buffer control bypass
JPS60138640A (ja) * 1983-12-27 1985-07-23 Nec Corp レジスタフアイル書込み方式
US4942518A (en) * 1984-06-20 1990-07-17 Convex Computer Corporation Cache store bypass for computer
US4704680A (en) * 1984-08-15 1987-11-03 Tektronix, Inc. Address computation system for updating starting addresses of data arrays in an array processor within an instruction cycle
JPH0630075B2 (ja) * 1984-08-31 1994-04-20 株式会社日立製作所 キャッシュメモリを有するデータ処理装置
US4716527A (en) * 1984-12-10 1987-12-29 Ing. C. Olivetti Bus converter
JP2703884B2 (ja) * 1985-12-27 1998-01-26 日本電気株式会社 データ書込み制御方式
US4868740A (en) * 1986-06-04 1989-09-19 Hitachi, Ltd. System for processing data with multiple virtual address and data word lengths
US4851993A (en) * 1987-04-20 1989-07-25 Amdahl Corporation Cache move-in bypass

Also Published As

Publication number Publication date
US5101489A (en) 1992-03-31
DE68924082T2 (de) 1996-05-30
JPH01228019A (ja) 1989-09-12
JP2617974B2 (ja) 1997-06-11
EP0334103A2 (de) 1989-09-27
KR890015135A (ko) 1989-10-28
EP0334103B1 (de) 1995-09-06
KR920003180B1 (ko) 1992-04-23
EP0334103A3 (de) 1992-04-15

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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