DE69331448T2 - Dataprozessor mit einem Cachespeicher - Google Patents

Dataprozessor mit einem Cachespeicher

Info

Publication number
DE69331448T2
DE69331448T2 DE69331448T DE69331448T DE69331448T2 DE 69331448 T2 DE69331448 T2 DE 69331448T2 DE 69331448 T DE69331448 T DE 69331448T DE 69331448 T DE69331448 T DE 69331448T DE 69331448 T2 DE69331448 T2 DE 69331448T2
Authority
DE
Germany
Prior art keywords
cache memory
data processor
processor
cache
memory
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
DE69331448T
Other languages
English (en)
Other versions
DE69331448D1 (de
Inventor
William C Moyer
John H Arends
Christopher E White
Keith E Diefendorff
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.)
NXP USA Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of DE69331448D1 publication Critical patent/DE69331448D1/de
Application granted granted Critical
Publication of DE69331448T2 publication Critical patent/DE69331448T2/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
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/3004—Arrangements for executing specific machine instructions to perform operations on memory
    • G06F9/30047—Prefetch instructions; cache control instructions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0804—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches with main memory updating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
    • G06F12/0862—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches with prefetch
    • 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
    • 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
    • G06F9/30003—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; 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
    • G06F9/38—Concurrent instruction execution, e.g. pipeline, look ahead
    • G06F9/3824—Operand accessing
    • G06F9/383—Operand 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, look ahead
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • G06F9/3842—Speculative 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
    • G06F9/3861—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
    • G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
    • G06F2212/60—Details of cache memory
    • G06F2212/6028—Prefetching based on hints or prefetch instructions
DE69331448T 1992-02-28 1993-02-18 Dataprozessor mit einem Cachespeicher Expired - Lifetime DE69331448T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/844,011 US5375216A (en) 1992-02-28 1992-02-28 Apparatus and method for optimizing performance of a cache memory in a data processing system

Publications (2)

Publication Number Publication Date
DE69331448D1 DE69331448D1 (de) 2002-02-14
DE69331448T2 true DE69331448T2 (de) 2002-06-20

Family

ID=25291545

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69326491T Expired - Lifetime DE69326491D1 (de) 1992-02-28 1993-02-18 Datenprozessor mit einem Cachespeicher und Verfahren
DE69332663T Expired - Lifetime DE69332663T2 (de) 1992-02-28 1993-02-18 Datenprozessor mit einem Cachespeicher
DE69331448T Expired - Lifetime DE69331448T2 (de) 1992-02-28 1993-02-18 Dataprozessor mit einem Cachespeicher

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE69326491T Expired - Lifetime DE69326491D1 (de) 1992-02-28 1993-02-18 Datenprozessor mit einem Cachespeicher und Verfahren
DE69332663T Expired - Lifetime DE69332663T2 (de) 1992-02-28 1993-02-18 Datenprozessor mit einem Cachespeicher

Country Status (5)

Country Link
US (1) US5375216A (de)
EP (4) EP1286269A3 (de)
JP (1) JP3285644B2 (de)
KR (1) KR100242484B1 (de)
DE (3) DE69326491D1 (de)

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Also Published As

Publication number Publication date
EP0557884A1 (de) 1993-09-01
EP1286269A2 (de) 2003-02-26
JP3285644B2 (ja) 2002-05-27
DE69332663D1 (de) 2003-02-27
DE69326491D1 (de) 1999-10-28
EP0895163A1 (de) 1999-02-03
EP0557884B1 (de) 1999-09-22
KR100242484B1 (ko) 2000-02-01
JPH0612327A (ja) 1994-01-21
DE69331448D1 (de) 2002-02-14
EP0895163B1 (de) 2003-01-22
EP0838762B1 (de) 2002-01-09
EP1286269A3 (de) 2009-03-11
DE69332663T2 (de) 2004-02-19
EP0838762A3 (de) 1998-07-01
KR930018378A (ko) 1993-09-21
EP0838762A2 (de) 1998-04-29
US5375216A (en) 1994-12-20

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