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DE69227465D1 - Cpu mit pipeline-einheit und effektiv-adressenrechnungseinheit mit möglichkeit zur beibehaltung von virtuellen operandenadressen. - Google Patents

Cpu mit pipeline-einheit und effektiv-adressenrechnungseinheit mit möglichkeit zur beibehaltung von virtuellen operandenadressen.

Info

Publication number
DE69227465D1
DE69227465D1 DE69227465T DE69227465T DE69227465D1 DE 69227465 D1 DE69227465 D1 DE 69227465D1 DE 69227465 T DE69227465 T DE 69227465T DE 69227465 T DE69227465 T DE 69227465T DE 69227465 D1 DE69227465 D1 DE 69227465D1
Authority
DE
Germany
Prior art keywords
cpu
possibility
effective address
address calculation
unit
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
Application number
DE69227465T
Other languages
English (en)
Other versions
DE69227465T2 (de
Inventor
John Saba
Martin Schwartz
Richard Tang-Kong
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Application granted granted Critical
Publication of DE69227465D1 publication Critical patent/DE69227465D1/de
Publication of DE69227465T2 publication Critical patent/DE69227465T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06F9/3802—Instruction prefetching
    • G06F9/3804—Instruction prefetching for branches, e.g. hedging, branch folding
    • G06F9/3806—Instruction prefetching for branches, e.g. hedging, branch folding using address prediction, e.g. return stack, branch history buffer
    • 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
    • G06F9/3824—Operand accessing
    • G06F9/383—Operand prefetching
    • 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
    • G06F9/3844—Speculative instruction execution using dynamic branch prediction, e.g. using branch history tables

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)
  • Memory System Of A Hierarchy Structure (AREA)
  • Executing Machine-Instructions (AREA)
DE69227465T 1992-02-27 1992-08-13 Cpu mit pipeline-einheit und effektiv-adressenrechnungseinheit mit möglichkeit zur beibehaltung von virtuellen operandenadressen. Expired - Lifetime DE69227465T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84386892A 1992-02-27 1992-02-27
PCT/US1992/006813 WO1993017384A1 (en) 1992-02-27 1992-08-13 Cpu having pipelined instruction unit and effective address calculation unit with retained virtual address capability

Publications (2)

Publication Number Publication Date
DE69227465D1 true DE69227465D1 (de) 1998-12-03
DE69227465T2 DE69227465T2 (de) 1999-06-10

Family

ID=25291194

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227465T Expired - Lifetime DE69227465T2 (de) 1992-02-27 1992-08-13 Cpu mit pipeline-einheit und effektiv-adressenrechnungseinheit mit möglichkeit zur beibehaltung von virtuellen operandenadressen.

Country Status (7)

Country Link
US (1) US5404467A (de)
EP (1) EP0628184B1 (de)
JP (1) JP3423310B2 (de)
AU (1) AU665368B2 (de)
CA (1) CA2124333A1 (de)
DE (1) DE69227465T2 (de)
WO (1) WO1993017384A1 (de)

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US5680565A (en) * 1993-12-30 1997-10-21 Intel Corporation Method and apparatus for performing page table walks in a microprocessor capable of processing speculative instructions
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US5515522A (en) * 1994-02-24 1996-05-07 Hewlett-Packard Company Coherence index generation for use by an input/output adapter located outside of the processor to detect whether the updated version of data resides within the cache
US5652859A (en) * 1995-08-17 1997-07-29 Institute For The Development Of Emerging Architectures, L.L.C. Method and apparatus for handling snoops in multiprocessor caches having internal buffer queues
US5701448A (en) * 1995-12-15 1997-12-23 Cyrix Corporation Detecting segment limit violations for branch target when the branch unit does not supply the linear address
JP3683968B2 (ja) * 1996-02-09 2005-08-17 富士通株式会社 情報処理装置
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
US5822577A (en) * 1996-05-01 1998-10-13 International Business Machines Corporation Context oriented branch history table
US5893930A (en) * 1996-07-12 1999-04-13 International Business Machines Corporation Predictive translation of a data address utilizing sets of associative entries stored consecutively in a translation lookaside buffer
FR2757306B1 (fr) * 1996-12-17 1999-01-15 Sgs Thomson Microelectronics Procede et dispositif de lecture avec prediction d'une memoire
US5822576A (en) * 1997-03-26 1998-10-13 International Business Machines Corporation Branch history table with branch pattern field
TW405090B (en) * 1997-04-04 2000-09-11 Ibm Predictive cache loading by program address discontinuity history
US6490658B1 (en) * 1997-06-23 2002-12-03 Sun Microsystems, Inc. Data prefetch technique using prefetch cache, micro-TLB, and history file
US6175898B1 (en) * 1997-06-23 2001-01-16 Sun Microsystems, Inc. Method for prefetching data using a micro-TLB
US6226763B1 (en) * 1998-07-29 2001-05-01 Intel Corporation Method and apparatus for performing cache accesses
US6230260B1 (en) 1998-09-01 2001-05-08 International Business Machines Corporation Circuit arrangement and method of speculative instruction execution utilizing instruction history caching
US6275918B1 (en) 1999-03-16 2001-08-14 International Business Machines Corporation Obtaining load target operand pre-fetch address from history table information upon incremented number of access indicator threshold
US7085915B1 (en) 2000-02-29 2006-08-01 International Business Machines Corporation Programmable prefetching of instructions for a processor executing a non-procedural program
JP3482185B2 (ja) * 2000-12-11 2003-12-22 松下電器産業株式会社 コンピュータ装置
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
US7134005B2 (en) * 2001-05-04 2006-11-07 Ip-First, Llc Microprocessor that detects erroneous speculative prediction of branch instruction opcode byte
US7165168B2 (en) * 2003-01-14 2007-01-16 Ip-First, Llc Microprocessor with branch target address cache update queue
US6886093B2 (en) * 2001-05-04 2005-04-26 Ip-First, Llc Speculative hybrid branch direction predictor
US20020194461A1 (en) * 2001-05-04 2002-12-19 Ip First Llc Speculative branch target address cache
US6895498B2 (en) * 2001-05-04 2005-05-17 Ip-First, Llc Apparatus and method for target address replacement in speculative branch target address cache
US7200740B2 (en) * 2001-05-04 2007-04-03 Ip-First, Llc Apparatus and method for speculatively performing a return instruction in a microprocessor
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
US7203824B2 (en) * 2001-07-03 2007-04-10 Ip-First, Llc Apparatus and method for handling BTAC branches that wrap across instruction cache lines
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
US7234045B2 (en) * 2001-07-03 2007-06-19 Ip-First, Llc Apparatus and method for handling BTAC branches that wrap across instruction cache lines
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
US6675279B2 (en) * 2001-10-16 2004-01-06 International Business Machines Corporation Behavioral memory enabled fetch prediction mechanism within a data processing system
US6792521B2 (en) 2001-10-16 2004-09-14 International Business Machines Corporation Behavioral memory mechanism for a data processing system
US6877083B2 (en) 2001-10-16 2005-04-05 International Business Machines Corporation Address mapping mechanism for behavioral memory enablement within a data processing system
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
JP3798998B2 (ja) * 2002-06-28 2006-07-19 富士通株式会社 分岐予測装置および分岐予測方法
US7185186B2 (en) * 2003-01-14 2007-02-27 Ip-First, Llc Apparatus and method for resolving deadlock fetch conditions involving branch target address cache
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
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
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

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USRE32493E (en) * 1980-05-19 1987-09-01 Hitachi, Ltd. Data processing unit with pipelined operands
US4430706A (en) * 1980-10-27 1984-02-07 Burroughs Corporation Branch prediction apparatus and method for a data processing system
US4477872A (en) * 1982-01-15 1984-10-16 International Business Machines Corporation Decode history table for conditional branch instructions
DE3382350D1 (de) * 1982-11-17 1991-08-29 Nec Corp Anordnung zum vorabholen von befehlen mit vorhersage einer verzweigungszieladresse.
EP0148478B1 (de) * 1983-12-23 1989-08-09 Hitachi, Ltd. Datenprozessor mit Steuerung der signifikanten Bitlänge von Allzweckregistern
US4764861A (en) * 1984-02-08 1988-08-16 Nec Corporation Instruction fpefetching device with prediction of a branch destination for each branch count instruction
US4679141A (en) * 1985-04-29 1987-07-07 International Business Machines Corporation Pageable branch history table
US4763245A (en) * 1985-10-30 1988-08-09 International Business Machines Corporation Branch prediction mechanism in which a branch history table is updated using an operand sensitive branch table
EP0258453B1 (de) * 1986-02-28 1993-05-19 Nec Corporation Steuervorrichtung zum vorabruf von befehlen
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
US4868740A (en) * 1986-06-04 1989-09-19 Hitachi, Ltd. System for processing data with multiple virtual address and data word lengths
US4901233A (en) * 1987-07-20 1990-02-13 International Business Machines Corporation Computer system with logic for writing instruction identifying data into array control lists for precise post-branch recoveries
US4893233A (en) * 1988-04-18 1990-01-09 Motorola, Inc. Method and apparatus for dynamically controlling each stage of a multi-stage pipelined data unit
JP2722523B2 (ja) * 1988-09-21 1998-03-04 日本電気株式会社 命令先取り装置
JP2858140B2 (ja) * 1988-10-19 1999-02-17 アポロ・コンピューター・インコーポレーテッド パイプラインプロセッサ装置および方法
US5303356A (en) * 1990-05-04 1994-04-12 International Business Machines Corporation System for issuing instructions for parallel execution subsequent to branch into a group of member instructions with compoundability in dictation tag

Also Published As

Publication number Publication date
EP0628184B1 (de) 1998-10-28
JPH07504520A (ja) 1995-05-18
EP0628184A1 (de) 1994-12-14
US5404467A (en) 1995-04-04
AU665368B2 (en) 1996-01-04
DE69227465T2 (de) 1999-06-10
AU2472392A (en) 1993-09-13
CA2124333A1 (en) 1993-09-02
WO1993017384A1 (en) 1993-09-02
JP3423310B2 (ja) 2003-07-07

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