CN1095116C - 执行两种指令长度代码的处理机及其指令码输入装置 - Google Patents

执行两种指令长度代码的处理机及其指令码输入装置 Download PDF

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Publication number
CN1095116C
CN1095116C CN97103068A CN97103068A CN1095116C CN 1095116 C CN1095116 C CN 1095116C CN 97103068 A CN97103068 A CN 97103068A CN 97103068 A CN97103068 A CN 97103068A CN 1095116 C CN1095116 C CN 1095116C
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China
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instruction
mentioned
bit
code
command
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Expired - Fee Related
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CN97103068A
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English (en)
Chinese (zh)
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CN1177140A (zh
Inventor
大谷寿贺子
岩田俊一
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of CN1177140A publication Critical patent/CN1177140A/zh
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Publication of CN1095116C publication Critical patent/CN1095116C/zh
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/3005—Arrangements for executing specific machine instructions to perform operations for flow control
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G06F9/30149—Instruction analysis, e.g. decoding, instruction word fields of variable length instructions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G06F9/30149—Instruction analysis, e.g. decoding, instruction word fields of variable length instructions
    • G06F9/30152—Determining start or end of instruction; determining instruction length
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G06F9/3016—Decoding the operand specifier, e.g. specifier format
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G06F9/3016—Decoding the operand specifier, e.g. specifier format
    • G06F9/30167—Decoding the operand specifier, e.g. specifier format of immediate specifier, e.g. constants
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/30181—Instruction operation extension or modification
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/32—Address formation of the next instruction, e.g. by incrementing the instruction counter
    • G06F9/322—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Advance Control (AREA)
  • Executing Machine-Instructions (AREA)
CN97103068A 1996-09-13 1997-03-19 执行两种指令长度代码的处理机及其指令码输入装置 Expired - Fee Related CN1095116C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP243375/96 1996-09-13
JP24337596A JP3658101B2 (ja) 1996-09-13 1996-09-13 データ処理装置

Publications (2)

Publication Number Publication Date
CN1177140A CN1177140A (zh) 1998-03-25
CN1095116C true CN1095116C (zh) 2002-11-27

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Family Applications (1)

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CN97103068A Expired - Fee Related CN1095116C (zh) 1996-09-13 1997-03-19 执行两种指令长度代码的处理机及其指令码输入装置

Country Status (5)

Country Link
US (2) US6463520B1 (enExample)
JP (1) JP3658101B2 (enExample)
KR (1) KR100260353B1 (enExample)
CN (1) CN1095116C (enExample)
TW (1) TW379305B (enExample)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3490007B2 (ja) * 1998-12-17 2004-01-26 富士通株式会社 命令制御装置
EP1050801B1 (en) * 1999-05-03 2006-12-13 STMicroelectronics S.A. An instruction supply mechanism
EP1050798A1 (en) * 1999-05-03 2000-11-08 STMicroelectronics SA Decoding instructions
US20020144235A1 (en) * 2001-03-30 2002-10-03 Charles Simmers Debugging embedded systems
DE10120522A1 (de) * 2001-04-26 2002-11-07 Infineon Technologies Ag Verfahren zum Erkennen einer korrekten Befehls-Einsprung-Adresse bei Verwendung unterschiedlich langer Befehlsworte
US7493470B1 (en) 2001-12-07 2009-02-17 Arc International, Plc Processor apparatus and methods optimized for control applications
US7278137B1 (en) * 2001-12-26 2007-10-02 Arc International Methods and apparatus for compiling instructions for a data processor
EP1470476A4 (en) * 2002-01-31 2007-05-30 Arc Int CONFIGURABLE DATA PROCESSOR WITH MULTI-LENGTH INSTRUCTION KIT ARCHITECTURE
DE10204038B4 (de) * 2002-02-01 2005-03-03 Infineon Technologies Ag Verfahren zum Erkennen einer korrekten Befehls-Einsprung-Adresse bei Verwendung unterschiedlich langer Befehlsworte
GB2393270B (en) 2002-09-19 2005-07-27 Advanced Risc Mach Ltd Executing variable length instructions stored within a plurality of discrete memory address regions
TWI230899B (en) * 2003-03-10 2005-04-11 Sunplus Technology Co Ltd Processor and method using parity check to proceed command mode switch
CN100595731C (zh) * 2003-03-21 2010-03-24 凌阳科技股份有限公司 利用同位检查以进行指令模式切换的处理器及方法
DE102004004561B4 (de) * 2004-01-29 2006-09-14 Infineon Technologies Ag Mikroprozessor mit einer energieeinsparenden Hol- und Dekodiereinheit zum Holen und Decodieren von komprimierten Programmbefehlen und mit einer Programmbefehlsfolgesteuerung
US8006071B2 (en) * 2004-03-31 2011-08-23 Altera Corporation Processors operable to allow flexible instruction alignment
US20060174089A1 (en) * 2005-02-01 2006-08-03 International Business Machines Corporation Method and apparatus for embedding wide instruction words in a fixed-length instruction set architecture
US7526633B2 (en) * 2005-03-23 2009-04-28 Qualcomm Incorporated Method and system for encoding variable length packets with variable instruction sizes
US7581082B2 (en) * 2005-05-13 2009-08-25 Texas Instruments Incorporated Software source transfer selects instruction word sizes
US8325768B2 (en) 2005-08-24 2012-12-04 Intel Corporation Interleaving data packets in a packet-based communication system
CN100346291C (zh) * 2005-12-02 2007-10-31 浙江大学 多地址空间的块传输指令的控制方法及其装置
US7908463B2 (en) * 2007-06-26 2011-03-15 Globalfoundries Inc. Immediate and displacement extraction and decode mechanism
CN101344840B (zh) * 2007-07-10 2011-08-31 苏州简约纳电子有限公司 一种微处理器及在微处理器中执行指令的方法
TW200910195A (en) 2007-08-20 2009-03-01 Sunplus Technology Co Ltd A device of using serial bits to determine instruction length at a multi-mode processor and the method thereof
CN101377735B (zh) * 2007-08-28 2011-09-28 凌阳科技股份有限公司 于多模处理器中以串行位决定指令长度的装置及方法
CN101482809B (zh) * 2008-01-11 2011-10-26 凌阳科技股份有限公司 在多模处理器中用指令终止位决定指令长度的装置及方法
US7849243B2 (en) * 2008-01-23 2010-12-07 Intel Corporation Enabling flexibility of packet length in a communication protocol
CN101833437B (zh) * 2009-05-19 2013-06-26 威盛电子股份有限公司 适用于微处理器的装置及方法
US10055227B2 (en) * 2012-02-07 2018-08-21 Qualcomm Incorporated Using the least significant bits of a called function's address to switch processor modes
GB2501299A (en) 2012-04-19 2013-10-23 Ibm Analysing computer program instructions to determine if an instruction can be replaced with a trap or break point.
US9223714B2 (en) 2013-03-15 2015-12-29 Intel Corporation Instruction boundary prediction for variable length instruction set
US11204768B2 (en) 2019-11-06 2021-12-21 Onnivation Llc Instruction length based parallel instruction demarcator
US20230342152A1 (en) * 2020-09-09 2023-10-26 Ascenium, Inc. Parallel processing architecture with split control word caches
US11775305B2 (en) * 2021-12-23 2023-10-03 Arm Limited Speculative usage of parallel decode units

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678467A (en) * 1970-10-20 1972-07-18 Bell Telephone Labor Inc Multiprocessor with cooperative program execution
US4447878A (en) * 1978-05-30 1984-05-08 Intel Corporation Apparatus and method for providing byte and word compatible information transfers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408271A (en) * 1979-01-02 1983-10-04 Honeywell Information Systems Inc. Circuit for implementing a digital computer instruction
US4250548A (en) * 1979-01-02 1981-02-10 Honeywell Information Systems Inc. Computer apparatus
JPS5856164A (ja) * 1981-09-30 1983-04-02 Toshiba Corp デ−タ処理装置
JP2635057B2 (ja) 1987-11-04 1997-07-30 株式会社日立製作所 マイクロプロセッサ
JPH0415826A (ja) 1990-05-08 1992-01-21 Rohm Co Ltd ワンチップマイクロコンピュータ
US5452423A (en) 1991-06-13 1995-09-19 Chips And Technologies, Inc. Two-ROM multibyte microcode address selection method and apparatus
JPH05313894A (ja) 1992-05-11 1993-11-26 Fuji Xerox Co Ltd 情報処理装置
JPH06119253A (ja) * 1992-10-02 1994-04-28 Toshiba Corp 二重化メモリ制御装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678467A (en) * 1970-10-20 1972-07-18 Bell Telephone Labor Inc Multiprocessor with cooperative program execution
US4447878A (en) * 1978-05-30 1984-05-08 Intel Corporation Apparatus and method for providing byte and word compatible information transfers

Also Published As

Publication number Publication date
JPH1091435A (ja) 1998-04-10
JP3658101B2 (ja) 2005-06-08
KR100260353B1 (ko) 2000-07-01
KR19980023918A (ko) 1998-07-06
US6209079B1 (en) 2001-03-27
CN1177140A (zh) 1998-03-25
US6463520B1 (en) 2002-10-08
TW379305B (en) 2000-01-11

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Termination date: 20140319