FR2413716B1 - Dispositif de mise en sequence d'instructions - Google Patents

Dispositif de mise en sequence d'instructions

Info

Publication number
FR2413716B1
FR2413716B1 FR7836587A FR7836587A FR2413716B1 FR 2413716 B1 FR2413716 B1 FR 2413716B1 FR 7836587 A FR7836587 A FR 7836587A FR 7836587 A FR7836587 A FR 7836587A FR 2413716 B1 FR2413716 B1 FR 2413716B1
Authority
FR
France
Prior art keywords
sequencing instructions
sequencing
instructions
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
Application number
FR7836587A
Other languages
English (en)
Other versions
FR2413716A1 (fr
Inventor
Jeffrey F Hughes
John S Liptay
James W Rymarczyk
Stanley E Stone
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
Publication of FR2413716A1 publication Critical patent/FR2413716A1/fr
Application granted granted Critical
Publication of FR2413716B1 publication Critical patent/FR2413716B1/fr
Expired 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
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3818—Decoding for concurrent execution
    • G06F9/382—Pipelined decoding, e.g. using predecoding
    • 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
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3802—Instruction prefetching
    • G06F9/3804—Instruction prefetching for branches, e.g. hedging, branch folding
    • 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
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • G06F9/3842—Speculative instruction execution
    • G06F9/3846—Speculative instruction execution using static prediction, e.g. branch taken strategy
    • 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
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • G06F9/3851—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution from multiple instruction streams, e.g. multistreaming
    • 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
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3885—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units
    • G06F9/3889—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units controlled by multiple instructions, e.g. MIMD, decoupled access or execute

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Advance Control (AREA)
  • Executing Machine-Instructions (AREA)
FR7836587A 1978-01-03 1978-12-20 Dispositif de mise en sequence d'instructions Expired FR2413716B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/866,686 US4200927A (en) 1978-01-03 1978-01-03 Multi-instruction stream branch processing mechanism

Publications (2)

Publication Number Publication Date
FR2413716A1 FR2413716A1 (fr) 1979-07-27
FR2413716B1 true FR2413716B1 (fr) 1986-02-21

Family

ID=25348169

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7836587A Expired FR2413716B1 (fr) 1978-01-03 1978-12-20 Dispositif de mise en sequence d'instructions

Country Status (8)

Country Link
US (1) US4200927A (fr)
JP (1) JPS5495139A (fr)
AU (1) AU519335B2 (fr)
CA (1) CA1103369A (fr)
DE (1) DE2855106C2 (fr)
FR (1) FR2413716B1 (fr)
GB (1) GB2011673B (fr)
IT (1) IT1160347B (fr)

Families Citing this family (162)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4616331A (en) * 1980-02-25 1986-10-07 Tsuneo Kinoshita Information processing system consisting of an arithmetic control unit formed into a one-chip typed by application of a highly-integrated semiconductor device
JPS5927935B2 (ja) * 1980-02-29 1984-07-09 株式会社日立製作所 情報処理装置
JPS56149646A (en) * 1980-04-21 1981-11-19 Toshiba Corp Operation controller
USRE32493E (en) * 1980-05-19 1987-09-01 Hitachi, Ltd. Data processing unit with pipelined operands
CA1174370A (fr) * 1980-05-19 1984-09-11 Hidekazu Matsumoto Unite de traitement de donnees avec operandes a traitement "pipeline"
US4373180A (en) * 1980-07-09 1983-02-08 Sperry Corporation Microprogrammed control system capable of pipelining even when executing a conditional branch instruction
JPS5742099A (en) * 1980-08-27 1982-03-09 Sharp Kk Voice informing device
US4437149A (en) 1980-11-17 1984-03-13 International Business Machines Corporation Cache memory architecture with decoding
US4574349A (en) * 1981-03-30 1986-03-04 International Business Machines Corp. Apparatus for addressing a larger number of instruction addressable central processor registers than can be identified by a program instruction
US4441153A (en) * 1981-04-03 1984-04-03 International Business Machines Corp. Instruction register content modification using plural input gates and a data flow register
US4532586A (en) * 1981-05-22 1985-07-30 Data General Corporation Digital data processing system with tripartite description-based addressing multi-level microcode control, and multi-level stacks
US4439828A (en) * 1981-07-27 1984-03-27 International Business Machines Corp. Instruction substitution mechanism in an instruction handling unit of a data processing system
JPS5848146A (ja) * 1981-09-18 1983-03-22 Toshiba Corp 命令先取り方式
US4532589A (en) * 1981-12-02 1985-07-30 Hitachi, Ltd. Digital data processor with two operation units
US4439827A (en) * 1981-12-28 1984-03-27 Raytheon Company Dual fetch microsequencer
US4477872A (en) * 1982-01-15 1984-10-16 International Business Machines Corporation Decode history table for conditional branch instructions
JPS59501426A (ja) * 1982-08-23 1984-08-09 ウエスタ−ン　エレクトリツク　カムパニ−，インコ−ポレ−テツド 次段アドレスの計算を前もつて実行する機構
US4604691A (en) * 1982-09-07 1986-08-05 Nippon Electric Co., Ltd. Data processing system having branch instruction prefetching performance
US4594659A (en) * 1982-10-13 1986-06-10 Honeywell Information Systems Inc. Method and apparatus for prefetching instructions for a central execution pipeline unit
EP0109655B1 (fr) * 1982-11-17 1991-07-24 Nec Corporation Dispositif de pré-extraction d'instructions avec prédiction d'adresse de destination de branchement
JPS5998312A (ja) * 1982-11-29 1984-06-06 Sankyo Seiki Mfg Co Ltd 読み取りエラ−検出方式
WO1985000453A1 (fr) * 1983-07-11 1985-01-31 Prime Computer, Inc. Systeme de traitement de donnees
US4578750A (en) * 1983-08-24 1986-03-25 Amdahl Corporation Code determination using half-adder based operand comparator
JPS6079431A (ja) * 1983-10-06 1985-05-07 Hitachi Ltd プログラマブルコントローラのパイプライン処理方法
US4791555A (en) * 1983-10-24 1988-12-13 International Business Machines Corporation Vector processing unit
JPS6095734A (ja) * 1983-10-28 1985-05-29 Matsushita Electric Ind Co Ltd 情報読出装置
DE3478157D1 (en) * 1983-11-11 1989-06-15 Fujitsu Ltd Pipeline control system
US4764861A (en) * 1984-02-08 1988-08-16 Nec Corporation Instruction fpefetching device with prediction of a branch destination for each branch count instruction
JPS60202501A (ja) * 1984-03-27 1985-10-14 Comput Services Corp 磁気カ−ドのデ−タ記録状態測定方法
US4742451A (en) * 1984-05-21 1988-05-03 Digital Equipment Corporation Instruction prefetch system for conditional branch instruction for central processor unit
JPS60258767A (ja) * 1984-06-04 1985-12-20 Toppan Printing Co Ltd 磁気カ−ドのデ−タ記録状態測定方法
JPS60258770A (ja) * 1984-06-04 1985-12-20 Toppan Printing Co Ltd 磁気カ−ドのデ−タ記録状態測定方法
JPS61105958U (fr) * 1984-12-13 1986-07-05
US4633333A (en) * 1985-06-24 1986-12-30 International Business Machines Corporation Detection of instantaneous speed variations in a tape drive
JPS6225302A (ja) * 1985-07-25 1987-02-03 Fanuc Ltd 数値制御装置
US4791557A (en) * 1985-07-31 1988-12-13 Wang Laboratories, Inc. Apparatus and method for monitoring and controlling the prefetching of instructions by an information processing system
JPS6341932A (ja) * 1985-08-22 1988-02-23 Nec Corp 分岐命令処理装置
US4853840A (en) * 1986-01-07 1989-08-01 Nec Corporation Instruction prefetching device including a circuit for checking prediction of a branch instruction before the instruction is executed
US4755935A (en) * 1986-01-27 1988-07-05 Schlumberger Technology Corporation Prefetch memory system having next-instruction buffer which stores target tracks of jumps prior to CPU access of instruction
CA1285657C (fr) * 1986-01-29 1991-07-02 Douglas W. Clark Dispositif et methode d'execution d'instructions de branchement
EP0258453B1 (fr) * 1986-02-28 1993-05-19 Nec Corporation Appareil de commande pour la preextraction d'instructions
JPH06100968B2 (ja) * 1986-03-25 1994-12-12 日本電気株式会社 情報処理装置
GB2188759B (en) * 1986-04-05 1990-09-05 Burr Brown Ltd Data processing with op code early comparison
JPS6393038A (ja) * 1986-10-07 1988-04-23 Mitsubishi Electric Corp 計算機
US4888689A (en) * 1986-10-17 1989-12-19 Amdahl Corporation Apparatus and method for improving cache access throughput in pipelined processors
US4967351A (en) * 1986-10-17 1990-10-30 Amdahl Corporation Central processor architecture implementing deterministic early condition code analysis using digit based, subterm computation and selective subterm combination
JPH0772863B2 (ja) * 1986-10-30 1995-08-02 日本電気株式会社 プログラムカウンタ相対アドレス計算方式
JP2603626B2 (ja) * 1987-01-16 1997-04-23 三菱電機株式会社 データ処理装置
DE3750721T2 (de) * 1987-02-24 1995-03-16 Texas Instruments Inc Computersystem mit Durchführung von vermischten Makro- und Mikrocodebefehlen.
US5235686A (en) * 1987-02-24 1993-08-10 Texas Instruments Incorporated Computer system having mixed macrocode and microcode
US4991090A (en) * 1987-05-18 1991-02-05 International Business Machines Corporation Posting out-of-sequence fetches
JPS63317828A (ja) * 1987-06-19 1988-12-26 Fujitsu Ltd マイクロコ−ド読み出し制御方式
US5134561A (en) * 1987-07-20 1992-07-28 International Business Machines Corporation Computer system with logic for writing instruction identifying data into array control lists for precise post-branch recoveries
US4942520A (en) * 1987-07-31 1990-07-17 Prime Computer, Inc. Method and apparatus for indexing, accessing and updating a memory
US4894772A (en) * 1987-07-31 1990-01-16 Prime Computer, Inc. Method and apparatus for qualifying branch cache entries
US4860197A (en) * 1987-07-31 1989-08-22 Prime Computer, Inc. Branch cache system with instruction boundary determination independent of parcel boundary
US4991078A (en) * 1987-09-29 1991-02-05 Digital Equipment Corporation Apparatus and method for a pipelined central processing unit in a data processing system
JPH0646382B2 (ja) * 1987-10-05 1994-06-15 日本電気株式会社 プリフェッチキュー制御方式
US4933847A (en) * 1987-11-17 1990-06-12 International Business Machines Corporation Microcode branch based upon operand length and alignment
US5247628A (en) * 1987-11-30 1993-09-21 International Business Machines Corporation Parallel processor instruction dispatch apparatus with interrupt handler
US4943908A (en) * 1987-12-02 1990-07-24 International Business Machines Corporation Multiple branch analyzer for prefetching cache lines
GB8728493D0 (en) * 1987-12-05 1988-01-13 Int Computers Ltd Jump prediction
US4914579A (en) * 1988-02-17 1990-04-03 International Business Machines Corporation Apparatus for branch prediction for computer instructions
US5522053A (en) * 1988-02-23 1996-05-28 Mitsubishi Denki Kabushiki Kaisha Branch target and next instruction address calculation in a pipeline processor
US5136696A (en) * 1988-06-27 1992-08-04 Prime Computer, Inc. High-performance pipelined central processor for predicting the occurrence of executing single-cycle instructions and multicycle instructions
GB8817912D0 (en) * 1988-07-27 1988-09-01 Int Computers Ltd Data processing apparatus
US5101341A (en) * 1988-08-25 1992-03-31 Edgcore Technology, Inc. Pipelined system for reducing instruction access time by accumulating predecoded instruction bits a FIFO
JPH0774994B2 (ja) * 1988-09-21 1995-08-09 株式会社日立製作所 バッファ記憶制御装置のｏｓｃ検出方式
US5050068A (en) * 1988-10-03 1991-09-17 Duke University Method and apparatus for using extracted program flow information to prepare for execution multiple instruction streams
EP0402524B1 (fr) * 1988-11-25 1996-10-02 Nec Corporation Microcalculateur capable de traiter rapidement un code d'instruction de branchement
US5034880A (en) * 1988-12-22 1991-07-23 Wang Laboratories, Inc. Apparatus and method for executing a conditional branch instruction
CA2006732C (fr) * 1988-12-27 1994-05-03 Tsuyoshi Mori Systeme de commande servant a recuperer une instruction
JPH02306341A (ja) * 1989-02-03 1990-12-19 Nec Corp マイクロプロセッサ
US5142634A (en) * 1989-02-03 1992-08-25 Digital Equipment Corporation Branch prediction
US5689670A (en) * 1989-03-17 1997-11-18 Luk; Fong Data transferring system with multiple port bus connecting the low speed data storage unit and the high speed data storage unit and the method for transferring data
US5136697A (en) * 1989-06-06 1992-08-04 Advanced Micro Devices, Inc. System for reducing delay for execution subsequent to correctly predicted branch instruction using fetch information stored with each block of instructions in cache
EP0404068A3 (fr) * 1989-06-20 1991-12-27 Fujitsu Limited Dispositif d'exécution d'une instruction de branchement
US5150468A (en) * 1989-06-30 1992-09-22 Bull Hn Information Systems Inc. State controlled instruction logic management apparatus included in a pipelined processing unit
US5440749A (en) * 1989-08-03 1995-08-08 Nanotronics Corporation High performance, low cost microprocessor architecture
JPH03139726A (ja) * 1989-10-26 1991-06-13 Hitachi Ltd 命令読出し制御方式
US5471593A (en) * 1989-12-11 1995-11-28 Branigin; Michael H. Computer processor with an efficient means of executing many instructions simultaneously
EP0436341B1 (fr) * 1990-01-02 1997-05-07 Motorola, Inc. Méthode de préextraction séquentielle pour instructions à un, deux ou trois mots
US5185868A (en) * 1990-01-16 1993-02-09 Advanced Micro Devices, Inc. Apparatus having hierarchically arranged decoders concurrently decoding instructions and shifting instructions not ready for execution to vacant decoders higher in the hierarchy
US5230068A (en) * 1990-02-26 1993-07-20 Nexgen Microsystems Cache memory system for dynamically altering single cache memory line as either branch target entry or pre-fetch instruction queue based upon instruction sequence
US5303377A (en) * 1990-03-27 1994-04-12 North American Philips Corporation Method for compiling computer instructions for increasing instruction cache efficiency
US5163139A (en) * 1990-08-29 1992-11-10 Hitachi America, Ltd. Instruction preprocessor for conditionally combining short memory instructions into virtual long instructions
EP1526446A3 (fr) * 1991-07-08 2007-04-04 Seiko Epson Corporation Architecture RISC extensible de microprocesseur
EP0547240B1 (fr) * 1991-07-08 2000-01-12 Seiko Epson Corporation Architecture risc de microprocesseur avec mode d'interruption et d'exception rapide
US5539911A (en) * 1991-07-08 1996-07-23 Seiko Epson Corporation High-performance, superscalar-based computer system with out-of-order instruction execution
US5961629A (en) * 1991-07-08 1999-10-05 Seiko Epson Corporation High performance, superscalar-based computer system with out-of-order instruction execution
US5493687A (en) * 1991-07-08 1996-02-20 Seiko Epson Corporation RISC microprocessor architecture implementing multiple typed register sets
US5323489A (en) * 1991-11-14 1994-06-21 Bird Peter L Method and apparatus employing lookahead to reduce memory bank contention for decoupled operand references
EP0636256B1 (fr) * 1992-03-31 1997-06-04 Seiko Epson Corporation Planification d'instructions d'un processeur RISC superscalaire
US5438668A (en) * 1992-03-31 1995-08-01 Seiko Epson Corporation System and method for extraction, alignment and decoding of CISC instructions into a nano-instruction bucket for execution by a RISC computer
EP0638183B1 (fr) * 1992-05-01 1997-03-05 Seiko Epson Corporation Systeme et procede permettant d'annuler des instructions dans un microprocesseur superscalaire
KR100248903B1 (ko) 1992-09-29 2000-03-15 야스카와 히데아키 수퍼스칼라마이크로프로세서에서의 적재 및 저장연산처리방법 및 시스템
US6735685B1 (en) * 1992-09-29 2004-05-11 Seiko Epson Corporation System and method for handling load and/or store operations in a superscalar microprocessor
US5784604A (en) * 1992-10-09 1998-07-21 International Business Machines Corporation Method and system for reduced run-time delay during conditional branch execution in pipelined processor systems utilizing selectively delayed sequential instruction purging
US5581719A (en) * 1992-11-12 1996-12-03 Digital Equipment Corporation Multiple block line prediction
US5628021A (en) * 1992-12-31 1997-05-06 Seiko Epson Corporation System and method for assigning tags to control instruction processing in a superscalar processor
DE69330889T2 (de) 1992-12-31 2002-03-28 Seiko Epson Corp., Tokio/Tokyo System und Verfahren zur Änderung der Namen von Registern
JP2596712B2 (ja) * 1993-07-01 1997-04-02 インターナショナル・ビジネス・マシーンズ・コーポレイション 近接した分岐命令を含む命令の実行を管理するシステム及び方法
US5748976A (en) * 1993-10-18 1998-05-05 Amdahl Corporation Mechanism for maintaining data coherency in a branch history instruction cache
JP2801135B2 (ja) * 1993-11-26 1998-09-21 富士通株式会社 パイプラインプロセッサの命令読み出し方法及び命令読み出し装置
US6079014A (en) * 1993-12-02 2000-06-20 Intel Corporation Processor that redirects an instruction fetch pipeline immediately upon detection of a mispredicted branch while committing prior instructions to an architectural state
US5590351A (en) * 1994-01-21 1996-12-31 Advanced Micro Devices, Inc. Superscalar execution unit for sequential instruction pointer updates and segment limit checks
TW234175B (en) * 1994-02-08 1994-11-11 Meridian Semiconductor Inc Randomly-accessible instruction buffer for microprocessor
GB9412487D0 (en) * 1994-06-22 1994-08-10 Inmos Ltd A computer system for executing branch instructions
US5734881A (en) * 1995-12-15 1998-03-31 Cyrix Corporation Detecting short branches in a prefetch buffer using target location information in a branch target cache
US6309482B1 (en) 1996-01-31 2001-10-30 Jonathan Dorricott Steckel mill/on-line controlled cooling combination
US5794024A (en) * 1996-03-25 1998-08-11 International Business Machines Corporation Method and system for dynamically recovering a register-address-table upon occurrence of an interrupt or branch misprediction
US5809566A (en) * 1996-08-14 1998-09-15 International Business Machines Corporation Automatic cache prefetch timing with dynamic trigger migration
US5805877A (en) * 1996-09-23 1998-09-08 Motorola, Inc. Data processor with branch target address cache and method of operation
US5796998A (en) * 1996-11-21 1998-08-18 International Business Machines Corporation Apparatus and method for performing branch target address calculation and branch prediciton in parallel in an information handling system
JPH1124929A (ja) * 1997-06-30 1999-01-29 Sony Corp 演算処理装置およびその方法
US6157998A (en) * 1998-04-03 2000-12-05 Motorola Inc. Method for performing branch prediction and resolution of two or more branch instructions within two or more branch prediction buffers
US7035997B1 (en) 1998-12-16 2006-04-25 Mips Technologies, Inc. Methods and apparatus for improving fetching and dispatch of instructions in multithreaded processors
US7529907B2 (en) 1998-12-16 2009-05-05 Mips Technologies, Inc. Method and apparatus for improved computer load and store operations
US7020879B1 (en) * 1998-12-16 2006-03-28 Mips Technologies, Inc. Interrupt and exception handling for multi-streaming digital processors
US7237093B1 (en) 1998-12-16 2007-06-26 Mips Technologies, Inc. Instruction fetching system in a multithreaded processor utilizing cache miss predictions to fetch instructions from multiple hardware streams
US6389449B1 (en) * 1998-12-16 2002-05-14 Clearwater Networks, Inc. Interstream control and communications for multi-streaming digital processors
US7257814B1 (en) 1998-12-16 2007-08-14 Mips Technologies, Inc. Method and apparatus for implementing atomicity of memory operations in dynamic multi-streaming processors
US7058065B2 (en) 2000-02-08 2006-06-06 Mips Tech Inc Method and apparatus for preventing undesirable packet download with pending read/write operations in data packet processing
US7032226B1 (en) * 2000-06-30 2006-04-18 Mips Technologies, Inc. Methods and apparatus for managing a buffer of events in the background
US7082552B2 (en) * 2000-02-08 2006-07-25 Mips Tech Inc Functional validation of a packet management unit
US7065096B2 (en) * 2000-06-23 2006-06-20 Mips Technologies, Inc. Method for allocating memory space for limited packet head and/or tail growth
US7502876B1 (en) 2000-06-23 2009-03-10 Mips Technologies, Inc. Background memory manager that determines if data structures fits in memory with memory state transactions map
US7165257B2 (en) * 2000-02-08 2007-01-16 Mips Technologies, Inc. Context selection and activation mechanism for activating one of a group of inactive contexts in a processor core for servicing interrupts
US7649901B2 (en) * 2000-02-08 2010-01-19 Mips Technologies, Inc. Method and apparatus for optimizing selection of available contexts for packet processing in multi-stream packet processing
US7042887B2 (en) 2000-02-08 2006-05-09 Mips Technologies, Inc. Method and apparatus for non-speculative pre-fetch operation in data packet processing
US7155516B2 (en) * 2000-02-08 2006-12-26 Mips Technologies, Inc. Method and apparatus for overflowing data packets to a software-controlled memory when they do not fit into a hardware-controlled memory
US7058064B2 (en) * 2000-02-08 2006-06-06 Mips Technologies, Inc. Queueing system for processors in packet routing operations
US7076630B2 (en) * 2000-02-08 2006-07-11 Mips Tech Inc Method and apparatus for allocating and de-allocating consecutive blocks of memory in background memo management
US7139901B2 (en) * 2000-02-08 2006-11-21 Mips Technologies, Inc. Extended instruction set for packet processing applications
WO2001097055A1 (fr) * 2000-06-13 2001-12-20 Nobel Ltd Liability Company Systeme de calcul synergetique
DE60143896D1 (de) 2000-07-14 2011-03-03 Mips Tech Inc Anweisungsabruf und -absendung in einem multi-thread-system
AUPQ950400A0 (en) * 2000-08-17 2000-09-07 Peruch, Stephen Sebastian Computer implemented system and method of transforming a source file into transformed file using a set of trigger instructions
US7069420B1 (en) * 2000-09-28 2006-06-27 Intel Corporation Decode and dispatch of multi-issue and multiple width instructions
US6895498B2 (en) * 2001-05-04 2005-05-17 Ip-First, Llc Apparatus and method for target address replacement in speculative branch target address cache
US7707397B2 (en) * 2001-05-04 2010-04-27 Via Technologies, Inc. Variable group associativity branch target address cache delivering multiple target addresses per cache line
US7200740B2 (en) * 2001-05-04 2007-04-03 Ip-First, Llc Apparatus and method for speculatively performing a return instruction in a microprocessor
US7134005B2 (en) * 2001-05-04 2006-11-07 Ip-First, Llc Microprocessor that detects erroneous speculative prediction of branch instruction opcode byte
US20020194461A1 (en) * 2001-05-04 2002-12-19 Ip First Llc Speculative branch target address cache
US7165168B2 (en) * 2003-01-14 2007-01-16 Ip-First, Llc Microprocessor with branch target address cache update queue
US7165169B2 (en) * 2001-05-04 2007-01-16 Ip-First, Llc Speculative branch target address cache with selective override by secondary predictor based on branch instruction type
US6886093B2 (en) * 2001-05-04 2005-04-26 Ip-First, Llc Speculative hybrid branch direction predictor
US7162619B2 (en) * 2001-07-03 2007-01-09 Ip-First, Llc Apparatus and method for densely packing a branch instruction predicted by a branch target address cache and associated target instructions into a byte-wide instruction buffer
US6823444B1 (en) * 2001-07-03 2004-11-23 Ip-First, Llc Apparatus and method for selectively accessing disparate instruction buffer stages based on branch target address cache hit and instruction stage wrap
US7234045B2 (en) * 2001-07-03 2007-06-19 Ip-First, Llc Apparatus and method for handling BTAC branches that wrap across instruction cache lines
US7203824B2 (en) * 2001-07-03 2007-04-10 Ip-First, Llc Apparatus and method for handling BTAC branches that wrap across instruction cache lines
US7003649B2 (en) * 2002-03-08 2006-02-21 Hitachi, Ltd. Control forwarding in a pipeline digital processor
US7159097B2 (en) * 2002-04-26 2007-01-02 Ip-First, Llc Apparatus and method for buffering instructions and late-generated related information using history of previous load/shifts
JP3845043B2 (ja) * 2002-06-28 2006-11-15 富士通株式会社 命令フェッチ制御装置
US9207958B1 (en) 2002-08-12 2015-12-08 Arm Finance Overseas Limited Virtual machine coprocessor for accelerating software execution
US7143269B2 (en) * 2003-01-14 2006-11-28 Ip-First, Llc Apparatus and method for killing an instruction after loading the instruction into an instruction queue in a pipelined microprocessor
US7152154B2 (en) * 2003-01-16 2006-12-19 Ip-First, Llc. Apparatus and method for invalidation of redundant branch target address cache entries
US7185186B2 (en) 2003-01-14 2007-02-27 Ip-First, Llc Apparatus and method for resolving deadlock fetch conditions involving branch target address cache
US7178010B2 (en) * 2003-01-16 2007-02-13 Ip-First, Llc Method and apparatus for correcting an internal call/return stack in a microprocessor that detects from multiple pipeline stages incorrect speculative update of the call/return stack
US7917734B2 (en) * 2003-06-30 2011-03-29 Intel Corporation Determining length of instruction with multiple byte escape code based on information from other than opcode byte
US7237098B2 (en) * 2003-09-08 2007-06-26 Ip-First, Llc Apparatus and method for selectively overriding return stack prediction in response to detection of non-standard return sequence
KR101574603B1 (ko) * 2008-10-31 2015-12-04 삼성전자주식회사 컨디셔널 프로세싱 방법 및 장치
CN104156196B (zh) * 2014-06-12 2017-10-27 龚伟峰 重命名预处理方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3490005A (en) * 1966-09-21 1970-01-13 Ibm Instruction handling unit for program loops
US3551895A (en) * 1968-01-15 1970-12-29 Ibm Look-ahead branch detection system
US3699526A (en) * 1971-03-26 1972-10-17 Ibm Program selection based upon intrinsic characteristics of an instruction stream
US3728692A (en) * 1971-08-31 1973-04-17 Ibm Instruction selection in a two-program counter instruction unit
US3771138A (en) * 1971-08-31 1973-11-06 Ibm Apparatus and method for serializing instructions from two independent instruction streams
JPS549456B2 (fr) * 1972-07-05 1979-04-24
JPS49121449A (fr) * 1973-03-19 1974-11-20
JPS5326954B2 (fr) * 1973-03-30 1978-08-04
JPS5039437A (fr) * 1973-08-10 1975-04-11

Also Published As

Publication number Publication date
FR2413716A1 (fr) 1979-07-27
US4200927A (en) 1980-04-29
DE2855106A1 (de) 1979-07-05
DE2855106C2 (de) 1985-05-23
JPS5495139A (en) 1979-07-27
GB2011673A (en) 1979-07-11
IT7830875A0 (it) 1978-12-15
GB2011673B (en) 1982-02-24
CA1103369A (fr) 1981-06-16
JPS5715421B2 (fr) 1982-03-30
IT1160347B (it) 1987-03-11
AU4306379A (en) 1979-07-12
AU519335B2 (en) 1981-11-26

Similar Documents

Publication Publication Date Title
FR2413716B1 (fr) Dispositif de mise en sequence d'instructions
BE876552A (fr) Dispositif d'abrasion
BE878602A (fr) Dispositif d'inhalation
FR2413544B1 (fr) Dispositif perfectionne de retenue d'aubes
BE879209A (fr) Appareillage magnetique d'ancrage
FR2512233B1 (fr) Dispositif d'avertissement de sequences d'essais
FR2491240B1 (fr) Dispositif d'affichage d'instructions en sequence
FR2441147B1 (fr) Dispositif de determination de position
BE862959A (fr) Dispositif d'etancheite
FR2334429A1 (fr) Dispositif de raclage d'un excedent d'enduit
FR2297605A1 (fr) Dispositif de soutien d'un membre
FR2527481B1 (fr) Dispositif d'enduction
FR2427802B1 (fr) Dispositif de fixation pour sangle
BE878929A (fr) Dispositif d'homogeneisation
BE875764R (fr) Dispositif de fixation
BE853145A (fr) Dispositif de retenue d'ancre
FR2480237B1 (fr) Dispositif d'etiquetage
BE873628A (fr) Dispositif de guidage d'ecoulement
FR2507257B1 (fr) Dispositif de positionnement
IT1155297B (it) Dispositivo oscillante per convogliamento
FR2325842A1 (fr) Dispositif d'ancrage pour element de fixation
BE877159A (fr) Dispositif d'hemodialyse
FR2337669A1 (fr) Dispositif d'envoloppes
FR2530967B1 (fr) Dispositif de production d'emulsion
BE864094A (fr) Dispositif d'etancheite pour lingotiere

Legal Events

Date Code Title Description
ST Notification of lapse