DK221585A - Apparat til fremskudt indlaesning af instruktioner i forbindelse med betingede hopinstruktioner, og beregningsenhed, i hvilken apparatet indgaar - Google Patents

Apparat til fremskudt indlaesning af instruktioner i forbindelse med betingede hopinstruktioner, og beregningsenhed, i hvilken apparatet indgaar Download PDF

Info

Publication number
DK221585A
DK221585A DK221585A DK221585A DK221585A DK 221585 A DK221585 A DK 221585A DK 221585 A DK221585 A DK 221585A DK 221585 A DK221585 A DK 221585A DK 221585 A DK221585 A DK 221585A
Authority
DK
Denmark
Prior art keywords
instructions
hoping
conditional
connection
calculation unit
Prior art date
Application number
DK221585A
Other languages
Danish (da)
English (en)
Other versions
DK221585D0 (da
Inventor
William F Bruckert
Tryggve Fossum
Jr John A Derosa
Richard E Glackemeyer
Allan E Helenius
John C Manton
Original Assignee
Digital Equipment 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 Digital Equipment Corp filed Critical Digital Equipment Corp
Publication of DK221585D0 publication Critical patent/DK221585D0/da
Publication of DK221585A publication Critical patent/DK221585A/da

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
    • G06F9/3802—Instruction prefetching
    • G06F9/3804—Instruction prefetching for branches, e.g. hedging, branch folding

Landscapes

  • 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)
DK221585A 1984-05-21 1985-05-20 Apparat til fremskudt indlaesning af instruktioner i forbindelse med betingede hopinstruktioner, og beregningsenhed, i hvilken apparatet indgaar DK221585A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/612,621 US4742451A (en) 1984-05-21 1984-05-21 Instruction prefetch system for conditional branch instruction for central processor unit

Publications (2)

Publication Number Publication Date
DK221585D0 DK221585D0 (da) 1985-05-20
DK221585A true DK221585A (da) 1985-11-22

Family

ID=24453941

Family Applications (1)

Application Number Title Priority Date Filing Date
DK221585A DK221585A (da) 1984-05-21 1985-05-20 Apparat til fremskudt indlaesning af instruktioner i forbindelse med betingede hopinstruktioner, og beregningsenhed, i hvilken apparatet indgaar

Country Status (9)

Country Link
US (1) US4742451A (fr)
EP (1) EP0162778B1 (fr)
JP (1) JPS6158044A (fr)
AU (1) AU576858B2 (fr)
CA (1) CA1226958A (fr)
DE (1) DE3586899T2 (fr)
DK (1) DK221585A (fr)
FI (1) FI851738L (fr)
IE (1) IE851252L (fr)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0776917B2 (ja) * 1984-12-29 1995-08-16 ソニー株式会社 マイクロコンピユ−タ
CA1285657C (fr) * 1986-01-29 1991-07-02 Douglas W. Clark Dispositif et methode d'execution d'instructions de branchement
US4991080A (en) * 1986-03-13 1991-02-05 International Business Machines Corporation Pipeline processing apparatus for executing instructions in three streams, including branch stream pre-execution processor for pre-executing conditional branch instructions
JPS6393041A (ja) * 1986-10-07 1988-04-23 Mitsubishi Electric Corp 計算機
JPS63245525A (ja) * 1987-03-31 1988-10-12 Toshiba Corp マイクロプログラム処理装置
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
US5097411A (en) * 1987-08-13 1992-03-17 Digital Equipment Corporation Graphics workstation for creating graphics data structure which are stored retrieved and displayed by a graphics subsystem for competing programs
US5251322A (en) * 1987-08-13 1993-10-05 Digital Equipment Corporation Method of operating a computer graphics system including asynchronously traversing its nodes
JP2583525B2 (ja) * 1987-09-30 1997-02-19 健 坂村 データ処理装置
JP2723238B2 (ja) * 1988-01-18 1998-03-09 株式会社東芝 情報処理装置
US5522053A (en) * 1988-02-23 1996-05-28 Mitsubishi Denki Kabushiki Kaisha Branch target and next instruction address calculation in a pipeline processor
JPH01283635A (ja) * 1988-05-11 1989-11-15 Nec Corp バッファ制御回路
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
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
EP0375339A3 (fr) * 1988-12-20 1992-02-19 Fujitsu Limited Appareil de traitement d'images et système l'utilisant
US5127091A (en) * 1989-01-13 1992-06-30 International Business Machines Corporation System for reducing delay in instruction execution by executing branch instructions in separate processor while dispatching subsequent instructions to primary processor
JPH02306341A (ja) * 1989-02-03 1990-12-19 Nec Corp マイクロプロセッサ
JP2682217B2 (ja) * 1989-08-28 1997-11-26 日本電気株式会社 マイクロプロセッサ
JP2680899B2 (ja) * 1989-08-28 1997-11-19 日本電気株式会社 情報処理装置及びその制御方法
US5329621A (en) * 1989-10-23 1994-07-12 Motorola, Inc. Microprocessor which optimizes bus utilization based upon bus speed
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
JPH0460720A (ja) * 1990-06-29 1992-02-26 Hitachi Ltd 条件分岐命令制御方式
US5226138A (en) * 1990-11-27 1993-07-06 Sun Microsystems, Inc. Method for selectively transferring data instructions to a cache memory
JPH04263322A (ja) * 1991-02-18 1992-09-18 Mitsubishi Electric Corp マイクロコンピュータ
JP2761688B2 (ja) * 1992-02-07 1998-06-04 三菱電機株式会社 データ処理装置
US5423048A (en) * 1992-08-27 1995-06-06 Northern Telecom Limited Branch target tagging
US5659722A (en) * 1994-04-28 1997-08-19 International Business Machines Corporation Multiple condition code branching system in a multi-processor environment
GB9412487D0 (en) * 1994-06-22 1994-08-10 Inmos Ltd A computer system for executing branch instructions
JPH08171491A (ja) * 1994-07-29 1996-07-02 Sun Microsyst Inc ディスパッチされた制御転送命令状態に基づきより高速で命令を先取りするための方法及び装置
US6092186A (en) * 1996-05-07 2000-07-18 Lucent Technologies Inc. Apparatus and method for aborting un-needed instruction fetches in a digital microprocessor device
JPH10214188A (ja) * 1997-01-30 1998-08-11 Toshiba Corp プロセッサの命令供給方法及び装置
JPH1124929A (ja) * 1997-06-30 1999-01-29 Sony Corp 演算処理装置およびその方法
US5951678A (en) * 1997-07-25 1999-09-14 Motorola, Inc. Method and apparatus for controlling conditional branch execution in a data processor
EP1236097A4 (fr) 1999-09-01 2006-08-02 Intel Corp Instruction de branchement pour processeur
WO2001016702A1 (fr) 1999-09-01 2001-03-08 Intel Corporation Ensemble de registres utilise dans une architecture de processeurs multifiliere paralleles
US6910123B1 (en) * 2000-01-13 2005-06-21 Texas Instruments Incorporated Processor with conditional instruction execution based upon state of corresponding annul bit of annul code
US6636960B1 (en) * 2000-02-16 2003-10-21 Hewlett-Packard Development Company, L.P. Method and apparatus for resteering failing speculation check instructions
US7681018B2 (en) 2000-08-31 2010-03-16 Intel Corporation Method and apparatus for providing large register address space while maximizing cycletime performance for a multi-threaded register file set
US7216204B2 (en) 2001-08-27 2007-05-08 Intel Corporation Mechanism for providing early coherency detection to enable high performance memory updates in a latency sensitive multithreaded environment
US7225281B2 (en) * 2001-08-27 2007-05-29 Intel Corporation Multiprocessor infrastructure for providing flexible bandwidth allocation via multiple instantiations of separate data buses, control buses and support mechanisms
US6868476B2 (en) 2001-08-27 2005-03-15 Intel Corporation Software controlled content addressable memory in a general purpose execution datapath
US7487505B2 (en) * 2001-08-27 2009-02-03 Intel Corporation Multithreaded microprocessor with register allocation based on number of active threads
US7610451B2 (en) * 2002-01-25 2009-10-27 Intel Corporation Data transfer mechanism using unidirectional pull bus and push bus
US7003649B2 (en) * 2002-03-08 2006-02-21 Hitachi, Ltd. Control forwarding in a pipeline digital processor
US7437724B2 (en) 2002-04-03 2008-10-14 Intel Corporation Registers for data transfers
EP1367493A1 (fr) * 2002-05-30 2003-12-03 STMicroelectronics Limited Tampon de préextraction
US20030233530A1 (en) * 2002-06-14 2003-12-18 International Business Machines Corporation Enhanced instruction prefetch engine
US7337275B2 (en) * 2002-08-13 2008-02-26 Intel Corporation Free list and ring data structure management
US6941438B2 (en) 2003-01-10 2005-09-06 Intel Corporation Memory interleaving
WO2013032446A1 (fr) 2011-08-30 2013-03-07 Empire Technology Development Llc Compression matérielle de tableaux
US11797673B2 (en) * 2020-08-27 2023-10-24 Ventana Micro Systems Inc. Processor that mitigates side channel attacks by expeditiously initiating flushing of instructions dependent upon a load instruction that causes a need for an architectural exception
US11868469B2 (en) 2020-08-27 2024-01-09 Ventana Micro Systems Inc. Processor that mitigates side channel attacks by preventing all dependent instructions from consuming architectural register result produced by instruction that causes a need for an architectural exception
US11907369B2 (en) 2020-08-27 2024-02-20 Ventana Micro Systems Inc. Processor that mitigates side channel attacks by preventing cache memory state from being affected by a missing load operation by inhibiting or canceling a fill request of the load operation if an older load generates a need for an architectural exception
US11733972B2 (en) 2020-10-06 2023-08-22 Ventana Micro Systems Inc. Processor that mitigates side channel attacks by providing random load data as a result of execution of a load operation that does not have permission to access a load address
US11734426B2 (en) 2020-10-06 2023-08-22 Ventana Micro Systems Inc. Processor that mitigates side channel attacks by prevents cache line data implicated by a missing load address from being filled into a data cache memory when the load address specifies a location with no valid address translation or no permission to read from the location
US11853424B2 (en) 2020-10-06 2023-12-26 Ventana Micro Systems Inc. Processor that mitigates side channel attacks by refraining from allocating an entry in a data TLB for a missing load address when the load address misses both in a data cache memory and in the data TLB and the load address specifies a location without a valid address translation or without permission to read from the location

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609700A (en) * 1970-02-24 1971-09-28 Burroughs Corp Data processing system having an improved fetch overlap feature
JPS4979744A (fr) * 1972-12-08 1974-08-01
JPS5339032A (en) * 1976-09-22 1978-04-10 Fujitsu Ltd Branch control system
AU529675B2 (en) * 1977-12-07 1983-06-16 Honeywell Information Systems Incorp. Cache memory unit
US4200927A (en) * 1978-01-03 1980-04-29 International Business Machines Corporation Multi-instruction stream branch processing mechanism
US4236206A (en) * 1978-10-25 1980-11-25 Digital Equipment Corporation Central processor unit for executing instructions of variable length
JPS5943786B2 (ja) * 1979-03-30 1984-10-24 パナフアコム株式会社 記憶装置のアクセス方式
JPS56149646A (en) * 1980-04-21 1981-11-19 Toshiba Corp Operation controller
CA1174370A (fr) * 1980-05-19 1984-09-11 Hidekazu Matsumoto Unite de traitement de donnees avec operandes a traitement "pipeline"
US4430708A (en) * 1981-05-22 1984-02-07 Burroughs Corporation Digital computer for executing instructions in three time-multiplexed portions
JPS5890245A (ja) * 1981-11-25 1983-05-28 Nec Corp デ−タ処理装置
US4435756A (en) * 1981-12-03 1984-03-06 Burroughs Corporation Branch predicting computer
US4439827A (en) * 1981-12-28 1984-03-27 Raytheon Company Dual fetch microsequencer
JPS5875260A (ja) * 1982-09-24 1983-05-06 Hitachi Ltd メモリアクセス制御方式

Also Published As

Publication number Publication date
FI851738A0 (fi) 1985-05-02
EP0162778A2 (fr) 1985-11-27
IE851252L (en) 1985-11-21
JPH0585926B2 (fr) 1993-12-09
JPS6158044A (ja) 1986-03-25
DK221585D0 (da) 1985-05-20
CA1226958A (fr) 1987-09-15
US4742451A (en) 1988-05-03
EP0162778A3 (en) 1988-02-24
DE3586899D1 (de) 1993-01-28
EP0162778B1 (fr) 1992-12-16
AU4266085A (en) 1985-11-28
DE3586899T2 (de) 1993-07-15
FI851738L (fi) 1985-11-22
AU576858B2 (en) 1988-09-08

Similar Documents

Publication Publication Date Title
DK221585A (da) Apparat til fremskudt indlaesning af instruktioner i forbindelse med betingede hopinstruktioner, og beregningsenhed, i hvilken apparatet indgaar
DK162817C (da) Apparat til hypertermi, og endotraktelektrode til anvendelse i apparatet
DK118685D0 (da) Bundkonstruktion til kogekar og fremgangsmaade og apparat til fremstilling af samme
DK48284D0 (da) Apparat til ekstrudering af metal og fremgangsmaade til drift af samme
DK302585A (da) 1-aryl-4-substitueret-1,4-dihydro-5h-tetrazol-5-oner og svovlholdigeanaloge deraf med herbicid virkning
DK162627C (da) Apparat til opvarmning af foedevarer
DK437587D0 (da) Fremgangsmaade til automatisk selvrensning i filmfremkaldelsesapparat og apparat til udoevelse af fremgangsmaaden
DK152159C (da) Hoejttalerenhed med et kabinet og fremgangsmaade til fremstilling af en forplade til kabinettet.
FI844903A0 (fi) Anordning foer att slao in en artikel med en toejbar plastfilm.
DK560884A (da) Enzym, fremgangsmaade til fremstilling deraf og anvendelse af enzymet
DK246385D0 (da) Apparat til forhindring af at smaagrise ligges ihjel samt anvendelse afapparatet
DK106781A (da) Fremgangsmaade til bukning af plader og apparat til gennemfoerelse af fremgangsmaaden
DK585385D0 (da) Spildevandrensningsanlaeg og rotor til anvendelse i dette samt fremgangsmaade til fremstilling af rotoren
DK222783A (da) Vindmoelle og dele til samme samt fremgangsmaade til fremstilling af disse
DK445184D0 (da) Elektronisk apparat, elektronisk komponent samt fremgangsmaade til fremstilling af et saadant apparat og en saadan komponent
DK100083D0 (da) Plastboette med hank og fremgangsmade til montering af hanken pa boetten
DK473583D0 (da) Fremgangsmade til indevejning af maelk i maelketankvogne, og maelketankvogn til udfoerelse af fremgangsmaden
DK303984A (da) Tilpasningsindretning til anvendelse i en ekstruder
DK283883A (da) Fremgangsmaade, reagenssaet og apparat til paavisning af yverbetaendelse
DK133785A (da) Apparat med naeringssubstratbaerer til bestemmelse af mikroorganismer
DK163940C (da) Taetningssystem, i et kemisk apparat, mellem en indfatning af et skroebeligt materiale og metalliske dele, og anvendelse af taetningssystemet
DK525585D0 (da) Fremgangsmaade til dosering af pulverformige materialer samt apparat til udoevelse af fremgangsmaaden
DK157085C (da) Fremgangsmaade og element til fastgoerelse af sammenfoejelige paneler
DK208283D0 (da) Plastlommer og et apparat til udlevering af lommerne
DK422284A (da) Fremgangsmaade og indretning til luftning af maskinrum

Legal Events

Date Code Title Description
AHB Application shelved due to non-payment