DE69422671T2 - Datenverarbeitungseinheit - Google Patents

Datenverarbeitungseinheit

Info

Publication number
DE69422671T2
DE69422671T2 DE1994622671 DE69422671T DE69422671T2 DE 69422671 T2 DE69422671 T2 DE 69422671T2 DE 1994622671 DE1994622671 DE 1994622671 DE 69422671 T DE69422671 T DE 69422671T DE 69422671 T2 DE69422671 T2 DE 69422671T2
Authority
DE
Germany
Prior art keywords
register
instruction
main memory
floating point
registers
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
DE1994622671
Other languages
German (de)
English (en)
Other versions
DE69422671D1 (de
Inventor
Hiroaki Fujii
Yasuhiro Inagami
Katsumi Takeda
Hideo Wada
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
Application granted granted Critical
Publication of DE69422671D1 publication Critical patent/DE69422671D1/de
Publication of DE69422671T2 publication Critical patent/DE69422671T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/3004—Arrangements for executing specific machine instructions to perform operations on memory
    • G06F9/30043—LOAD or STORE instructions; Clear instruction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/30098—Register arrangements
    • G06F9/30101—Special purpose registers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/30098—Register arrangements
    • G06F9/3012—Organisation of register space, e.g. banked or distributed register file
    • G06F9/30138—Extension of register space, e.g. register cache
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06F9/3808—Instruction prefetching for instruction reuse, e.g. trace cache, branch target cache
    • G06F9/381—Loop buffering
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/461—Saving or restoring of program or task context
    • G06F9/462—Saving or restoring of program or task context with multiple register sets

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Complex Calculations (AREA)
  • Executing Machine-Instructions (AREA)
  • Advance Control (AREA)
DE1994622671 1993-07-16 1994-07-14 Datenverarbeitungseinheit Expired - Fee Related DE69422671T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP05176886A JP3097981B2 (ja) 1993-07-16 1993-07-16 データ処理装置

Publications (2)

Publication Number Publication Date
DE69422671D1 DE69422671D1 (de) 2000-02-24
DE69422671T2 true DE69422671T2 (de) 2000-06-08

Family

ID=16021486

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1994622671 Expired - Fee Related DE69422671T2 (de) 1993-07-16 1994-07-14 Datenverarbeitungseinheit

Country Status (3)

Country Link
EP (1) EP0634717B1 (enExample)
JP (1) JP3097981B2 (enExample)
DE (1) DE69422671T2 (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0199173B1 (en) * 1985-04-08 1994-02-02 Hitachi, Ltd. Data processing system
US5438669A (en) * 1991-11-20 1995-08-01 Hitachi, Ltd. Data processor with improved loop handling utilizing improved register allocation

Also Published As

Publication number Publication date
EP0634717A3 (enExample) 1995-02-01
DE69422671D1 (de) 2000-02-24
JP3097981B2 (ja) 2000-10-10
EP0634717A2 (en) 1995-01-18
JPH0736695A (ja) 1995-02-07
EP0634717B1 (en) 2000-01-19

Similar Documents

Publication Publication Date Title
DE69132675T2 (de) Parallelfliessband-Befehlsverarbeitungssystem für sehr lange Befehlswörter
DE69534113T2 (de) Kompression der Befehlswörter eines Rechners
DE4222776C2 (de) Parallelverarbeitungseinheit und Verfahren zum Ausführen von Befehlen
DE69636861T2 (de) Mikroprozessor mit Lade-/Speicheroperation zu/von mehreren Registern
DE68928812T2 (de) Vorrichtung zur Auflösung von einer variablen Anzahl von möglichen Speicherzugriffskonflikten in einem Pipeline-Rechnersystem und Verfahren dazu
DE69031991T2 (de) Verfahren und Gerät zur Beschleunigung von Verzweigungsbefehlen
DE3750935T2 (de) Verfahren und System zum Erleichtern der Befehlsausführung in einem digitalen Rechner.
DE68928677T2 (de) Verfahren und digitaler Computer zur Vorverarbeitung mehrerer Befehle
DE69719235T2 (de) Prozessor und Verfahren zur spekulativen Ausführung von bedingten Verzweigungsbefehlen unter Verwendung einer von mehreren Verzweigungsvorhersageverfahren
DE69311330T2 (de) Befehlsablauffolgeplanung von einem risc-superskalarprozessor
DE68927911T2 (de) Datenverarbeitungssystem
DE69114333T2 (de) Rechner mit der Fähigkeit mehrere Befehle gleichzeitig auszuführen.
DE69933088T2 (de) Vliw-verarbeiter verarbeitet befehle von verschiedenen breiten
DE3856220T2 (de) Digitaler Signalprozessor der bedingte Mehrpunkt-Sprungbefehle im Pipelinemodus bearbeitet
DE4206062C2 (de) Pipelineverarbeitung von Instruktionen
DE69130757T2 (de) Ausführungsvorrichtung für bedingte Verzweigungsbefehle
DE69623146T2 (de) Verfahren und Vorrichtung zum Koordinieren der Benutzung von physikalischen Registern in einem Mikroprozessor
DE3882772T2 (de) Vektorprozessor angepasst zum Sortieren von Vektordaten.
DE4217012A1 (de) Mit einer vielzahl von befehlsstroemen und statischer verschachtelung arbeitender mikroprozessor
DE60032794T2 (de) Bit-dekompression-verarbeitung mit einem vielseitigen ausrichtungswerkzeug
DE69418146T2 (de) Temporärer Registersatz für einen superpipeline-superskalaren Prozessor
DE69030931T2 (de) Mehrfachsequenzprozessorsystem
DE69321929T2 (de) Verfahren und System um einen unabhängige Zugriff auf Zwischenspeicherpuffern in einem superskalaren Prozessorsystem zu gewährleisten.
DE19855806A1 (de) Vorrichtung und Verfahren zum Durchführen von Unterprogrammaufruf- und Rücksprungoperationen
DE69131472T2 (de) Verfahren zum Vorsehen eines synchronisierten Datencachespeicherbetriebs für Prozessoren in einer parallelen Verarbeitungsanordnung und parallele Verarbeitungsanordnung zur Durchführung des Verfahrens

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee