ATE156607T1 - Befehlspuffersystem für einen digitalen rechner - Google Patents

Befehlspuffersystem für einen digitalen rechner

Info

Publication number
ATE156607T1
ATE156607T1 AT89309274T AT89309274T ATE156607T1 AT E156607 T1 ATE156607 T1 AT E156607T1 AT 89309274 T AT89309274 T AT 89309274T AT 89309274 T AT89309274 T AT 89309274T AT E156607 T1 ATE156607 T1 AT E156607T1
Authority
AT
Austria
Prior art keywords
instruction
bytes
cache
digital computer
consumed
Prior art date
Application number
AT89309274T
Other languages
English (en)
Inventor
David B Fite
Ricky C Hetherington
Michael M Mckeon
Dwight P Manley
John E Murray
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
Application granted granted Critical
Publication of ATE156607T1 publication Critical patent/ATE156607T1/de

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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • 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
    • G06F9/30145—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; 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
    • G06F9/3816—Instruction alignment, e.g. cache line crossing

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)
  • Communication Control (AREA)
  • Executing Machine-Instructions (AREA)
AT89309274T 1989-02-03 1989-09-13 Befehlspuffersystem für einen digitalen rechner ATE156607T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/306,831 US5113515A (en) 1989-02-03 1989-02-03 Virtual instruction cache system using length responsive decoded instruction shifting and merging with prefetch buffer outputs to fill instruction buffer

Publications (1)

Publication Number Publication Date
ATE156607T1 true ATE156607T1 (de) 1997-08-15

Family

ID=23187060

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89309274T ATE156607T1 (de) 1989-02-03 1989-09-13 Befehlspuffersystem für einen digitalen rechner

Country Status (7)

Country Link
US (1) US5113515A (de)
EP (1) EP0380854B1 (de)
JP (1) JPH02208728A (de)
AT (1) ATE156607T1 (de)
AU (1) AU628527B2 (de)
CA (1) CA1323937C (de)
DE (1) DE68928236T2 (de)

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Also Published As

Publication number Publication date
AU5394090A (en) 1991-12-19
DE68928236D1 (de) 1997-09-11
EP0380854A3 (de) 1993-01-07
CA1323937C (en) 1993-11-02
EP0380854B1 (de) 1997-08-06
DE68928236T2 (de) 1998-03-12
US5113515A (en) 1992-05-12
JPH02208728A (ja) 1990-08-20
EP0380854A2 (de) 1990-08-08
AU628527B2 (en) 1992-09-17

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties