DE69934394D1 - Vorrichtung zum Bereitstellen von Maschinenbefehlen - Google Patents

Vorrichtung zum Bereitstellen von Maschinenbefehlen

Info

Publication number
DE69934394D1
DE69934394D1 DE69934394T DE69934394T DE69934394D1 DE 69934394 D1 DE69934394 D1 DE 69934394D1 DE 69934394 T DE69934394 T DE 69934394T DE 69934394 T DE69934394 T DE 69934394T DE 69934394 D1 DE69934394 D1 DE 69934394D1
Authority
DE
Germany
Prior art keywords
providing machine
machine commands
commands
providing
machine
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
DE69934394T
Other languages
English (en)
Inventor
Laurent Wojcieszak
Andrew Cofler
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
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 STMicroelectronics SA filed Critical STMicroelectronics SA
Application granted granted Critical
Publication of DE69934394D1 publication Critical patent/DE69934394D1/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
    • G06F9/30145—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
    • G06F9/30156—Special purpose encoding of instructions, e.g. Gray coding
    • 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
    • G06F9/30181—Instruction operation extension or modification
    • 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
    • G06F9/30181—Instruction operation extension or modification
    • G06F9/30189—Instruction operation extension or modification according to execution mode, e.g. mode flag
    • 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
    • G06F9/30181—Instruction operation extension or modification
    • G06F9/30196—Instruction operation extension or modification using decoder, e.g. decoder per instruction set, adaptable or programmable decoders
    • 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
    • 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
    • G06F9/3814—Implementation provisions of instruction buffers, e.g. prefetch buffer; banks
    • 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
    • G06F9/3822—Parallel decoding, e.g. parallel decode units

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)
  • Executing Machine-Instructions (AREA)
DE69934394T 1999-05-03 1999-05-03 Vorrichtung zum Bereitstellen von Maschinenbefehlen Expired - Lifetime DE69934394D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99410051A EP1050801B1 (de) 1999-05-03 1999-05-03 Vorrichtung zum Bereitstellen von Maschinenbefehlen

Publications (1)

Publication Number Publication Date
DE69934394D1 true DE69934394D1 (de) 2007-01-25

Family

ID=8242254

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69934394T Expired - Lifetime DE69934394D1 (de) 1999-05-03 1999-05-03 Vorrichtung zum Bereitstellen von Maschinenbefehlen

Country Status (3)

Country Link
US (1) US6742131B1 (de)
EP (1) EP1050801B1 (de)
DE (1) DE69934394D1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040158695A1 (en) 1999-05-03 2004-08-12 Laurent Ugen Method and apparatus for handling transfer of guarded instructions in a computer system
EP1606706A2 (de) 2003-03-19 2005-12-21 Koninklijke Philips Electronics N.V. Verwendung der umgehung in einem pipeline-anweisungsprozessor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5202967A (en) * 1988-08-09 1993-04-13 Matsushita Electric Industrial Co., Ltd. Data processing apparatus for performing parallel decoding and parallel execution of a variable word length instruction
JP2505887B2 (ja) * 1989-07-14 1996-06-12 富士通株式会社 命令処理システム
JPH0395629A (ja) * 1989-09-08 1991-04-22 Fujitsu Ltd データ処理装置
GB9406666D0 (en) * 1994-04-05 1994-05-25 Communicate Ltd Computer system
JP3658101B2 (ja) * 1996-09-13 2005-06-08 株式会社ルネサステクノロジ データ処理装置
SG64432A1 (en) * 1996-10-04 1999-04-27 Ibm System and method for reducing power consumption in an electronic circuit
GB2317975B (en) * 1996-10-04 2001-09-12 Ibm System and method for reducing power consumption in an electronic circuit
US6189090B1 (en) * 1997-09-17 2001-02-13 Sony Corporation Digital signal processor with variable width instructions
DE69838374T2 (de) * 1997-12-23 2008-05-29 Texas Instruments Inc., Dallas Prozessor und Verfahren zum Verringern von dessen Energieverbrauch

Also Published As

Publication number Publication date
US6742131B1 (en) 2004-05-25
EP1050801B1 (de) 2006-12-13
EP1050801A1 (de) 2000-11-08

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Legal Events

Date Code Title Description
8332 No legal effect for de