DE69308548T2 - Vorrichtung und verfahren zum befehlsabschluss in einem superskalaren prozessor. - Google Patents

Vorrichtung und verfahren zum befehlsabschluss in einem superskalaren prozessor.

Info

Publication number
DE69308548T2
DE69308548T2 DE69308548T DE69308548T DE69308548T2 DE 69308548 T2 DE69308548 T2 DE 69308548T2 DE 69308548 T DE69308548 T DE 69308548T DE 69308548 T DE69308548 T DE 69308548T DE 69308548 T2 DE69308548 T2 DE 69308548T2
Authority
DE
Germany
Prior art keywords
super
completing
command
scalar processor
scalar
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
DE69308548T
Other languages
English (en)
Other versions
DE69308548D1 (de
Inventor
Johannes Wang
Sanjiv Garg
Trevor Deosaran
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson 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 Seiko Epson Corp filed Critical Seiko Epson Corp
Application granted granted Critical
Publication of DE69308548D1 publication Critical patent/DE69308548D1/de
Publication of DE69308548T2 publication Critical patent/DE69308548T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • G06F9/30098—Register arrangements
    • G06F9/3012—Organisation of register space, e.g. banked or distributed register file
    • 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
    • G06F9/30098—Register arrangements
    • G06F9/3012—Organisation of register space, e.g. banked or distributed register file
    • G06F9/3013—Organisation of register space, e.g. banked or distributed register file according to data content, e.g. floating-point registers, address registers
    • 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
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • G06F9/3838—Dependency mechanisms, e.g. register scoreboarding
    • 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
    • G06F9/3838—Dependency mechanisms, e.g. register scoreboarding
    • G06F9/384—Register renaming
    • 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
    • G06F9/3853—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution of compound 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
    • G06F9/3854—Instruction completion, e.g. retiring, committing or graduating
    • G06F9/3856—Reordering of instructions, e.g. using queues or age tags
    • 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
    • G06F9/3854—Instruction completion, e.g. retiring, committing or graduating
    • G06F9/3858—Result writeback, i.e. updating the architectural state or memory
    • 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
    • G06F9/3861—Recovery, e.g. branch miss-prediction, exception handling
    • G06F9/3863—Recovery, e.g. branch miss-prediction, exception handling using multiple copies of the architectural state, e.g. shadow registers
    • 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
DE69308548T 1992-05-01 1993-04-27 Vorrichtung und verfahren zum befehlsabschluss in einem superskalaren prozessor. Expired - Lifetime DE69308548T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US87745192A 1992-05-01 1992-05-01
PCT/JP1993/000553 WO1993022722A1 (en) 1992-05-01 1993-04-27 A system and method for retiring instructions in a superscalar microprocessor

Publications (2)

Publication Number Publication Date
DE69308548D1 DE69308548D1 (de) 1997-04-10
DE69308548T2 true DE69308548T2 (de) 1997-06-12

Family

ID=25369990

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69308548T Expired - Lifetime DE69308548T2 (de) 1992-05-01 1993-04-27 Vorrichtung und verfahren zum befehlsabschluss in einem superskalaren prozessor.

Country Status (6)

Country Link
US (8) US6131157A (de)
EP (1) EP0638183B1 (de)
JP (11) JP3637920B2 (de)
KR (2) KR950701437A (de)
DE (1) DE69308548T2 (de)
WO (1) WO1993022722A1 (de)

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US6920548B2 (en) 2005-07-19
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JP2005071394A (ja) 2005-03-17
JP2005228360A (ja) 2005-08-25
WO1993022722A1 (en) 1993-11-11
JP3788472B2 (ja) 2006-06-21
JP2005259175A (ja) 2005-09-22
US7958337B2 (en) 2011-06-07
US7516305B2 (en) 2009-04-07
EP0638183B1 (de) 1997-03-05
US20090013155A1 (en) 2009-01-08
JP3781051B2 (ja) 2006-05-31
JP2006196024A (ja) 2006-07-27
US20050228973A1 (en) 2005-10-13
US20070106880A1 (en) 2007-05-10
JP3637920B2 (ja) 2005-04-13
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US7523296B2 (en) 2009-04-21
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US6775761B2 (en) 2004-08-10
JP3675466B2 (ja) 2005-07-27
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KR950701437A (ko) 1995-03-23
JP3870973B2 (ja) 2007-01-24
US20020178347A1 (en) 2002-11-28
US7934078B2 (en) 2011-04-26
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US6412064B1 (en) 2002-06-25
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KR100329226B1 (ko) 2002-03-21
EP0638183A1 (de) 1995-02-15

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