DE69521461D1 - Vorrichtung und Verfahren zur Abtastung einer Befehlswarteschlange - Google Patents

Vorrichtung und Verfahren zur Abtastung einer Befehlswarteschlange

Info

Publication number
DE69521461D1
DE69521461D1 DE69521461T DE69521461T DE69521461D1 DE 69521461 D1 DE69521461 D1 DE 69521461D1 DE 69521461 T DE69521461 T DE 69521461T DE 69521461 T DE69521461 T DE 69521461T DE 69521461 D1 DE69521461 D1 DE 69521461D1
Authority
DE
Germany
Prior art keywords
instruction
queue
instructions
logic
byte queue
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
DE69521461T
Other languages
English (en)
Other versions
DE69521461T2 (de
Inventor
Nathan L Yao
Michael D Goddard
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.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices Inc
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 Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of DE69521461D1 publication Critical patent/DE69521461D1/de
Publication of DE69521461T2 publication Critical patent/DE69521461T2/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
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • 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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G06F9/30149—Instruction analysis, e.g. decoding, instruction word fields of variable length instructions
    • G06F9/30152—Determining start or end of instruction; determining instruction length
    • 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
    • G06F9/3017—Runtime instruction translation, e.g. macros
    • G06F9/30174—Runtime instruction translation, e.g. macros for non-native instruction set, e.g. Javabyte, legacy code
    • 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
    • G06F9/38—Concurrent instruction execution, e.g. pipeline, look ahead
    • G06F9/3818—Decoding for concurrent execution
    • G06F9/382—Pipelined decoding, e.g. using predecoding
    • 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
    • G06F9/3854—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
DE69521461T 1994-08-18 1995-07-17 Vorrichtung und Verfahren zur Abtastung einer Befehlswarteschlange Expired - Lifetime DE69521461T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/292,649 US5630082A (en) 1993-10-29 1994-08-18 Apparatus and method for instruction queue scanning

Publications (2)

Publication Number Publication Date
DE69521461D1 true DE69521461D1 (de) 2001-08-02
DE69521461T2 DE69521461T2 (de) 2002-04-18

Family

ID=23125583

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521461T Expired - Lifetime DE69521461T2 (de) 1994-08-18 1995-07-17 Vorrichtung und Verfahren zur Abtastung einer Befehlswarteschlange

Country Status (6)

Country Link
US (2) US5630082A (de)
EP (1) EP0697650B1 (de)
JP (1) JP3714999B2 (de)
KR (1) KR100354324B1 (de)
AT (1) ATE202644T1 (de)
DE (1) DE69521461T2 (de)

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Also Published As

Publication number Publication date
US5896518A (en) 1999-04-20
EP0697650A2 (de) 1996-02-21
EP0697650A3 (de) 1998-04-01
DE69521461T2 (de) 2002-04-18
US5630082A (en) 1997-05-13
EP0697650B1 (de) 2001-06-27
ATE202644T1 (de) 2001-07-15
JP3714999B2 (ja) 2005-11-09
KR960008542A (ko) 1996-03-22
KR100354324B1 (ko) 2003-01-08
JPH08190482A (ja) 1996-07-23

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