DE3751503D1 - Datenprozessor in Pipelinestruktur mit der Fähigkeit mehrere Befehle parallel zu dekodieren und auszuführen. - Google Patents

Datenprozessor in Pipelinestruktur mit der Fähigkeit mehrere Befehle parallel zu dekodieren und auszuführen.

Info

Publication number
DE3751503D1
DE3751503D1 DE3751503T DE3751503T DE3751503D1 DE 3751503 D1 DE3751503 D1 DE 3751503D1 DE 3751503 T DE3751503 T DE 3751503T DE 3751503 T DE3751503 T DE 3751503T DE 3751503 D1 DE3751503 D1 DE 3751503D1
Authority
DE
Germany
Prior art keywords
decode
ability
parallel
data processor
pipeline structure
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 - Fee Related
Application number
DE3751503T
Other languages
English (en)
Other versions
DE3751503T2 (de
Inventor
Kazunori Hitachi Dai- Kuriyama
Yooichi Hitachi Tenno Shintani
Akira Hitachi Koyasuda Yamaoka
Tohru Shonai
Eiki Hitachi Koyasudai Kamada
Kiyoshi Inoue
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of DE3751503D1 publication Critical patent/DE3751503D1/de
Application granted granted Critical
Publication of DE3751503T2 publication Critical patent/DE3751503T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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, look ahead
    • G06F9/3802—Instruction prefetching
    • G06F9/3816—Instruction alignment, e.g. cache line crossing
    • 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, look ahead
    • G06F9/3818—Decoding for concurrent execution
    • G06F9/3822—Parallel decoding, e.g. parallel decode units
    • 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, look ahead
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • 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, look ahead
    • G06F9/3885—Concurrent instruction execution, e.g. pipeline, look ahead using a plurality of independent parallel functional units
    • G06F9/3889—Concurrent instruction execution, e.g. pipeline, look ahead using a plurality of independent parallel functional units controlled by multiple instructions, e.g. MIMD, decoupled access or execute
DE3751503T 1986-03-26 1987-03-24 Datenprozessor in Pipelinestruktur mit der Fähigkeit mehrere Befehle parallel zu dekodieren und auszuführen. Expired - Fee Related DE3751503T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6565186 1986-03-26

Publications (2)

Publication Number Publication Date
DE3751503D1 true DE3751503D1 (de) 1995-10-12
DE3751503T2 DE3751503T2 (de) 1996-05-09

Family

ID=13293121

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3751503T Expired - Fee Related DE3751503T2 (de) 1986-03-26 1987-03-24 Datenprozessor in Pipelinestruktur mit der Fähigkeit mehrere Befehle parallel zu dekodieren und auszuführen.

Country Status (4)

Country Link
US (1) US4858105A (de)
EP (1) EP0239081B1 (de)
JP (1) JP2559399B2 (de)
DE (1) DE3751503T2 (de)

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