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GB2382675B - Data access in a processor - Google Patents

Data access in a processor

Info

Publication number
GB2382675B
GB2382675B GB0126140A GB0126140A GB2382675B GB 2382675 B GB2382675 B GB 2382675B GB 0126140 A GB0126140 A GB 0126140A GB 0126140 A GB0126140 A GB 0126140A GB 2382675 B GB2382675 B GB 2382675B
Authority
GB
United Kingdom
Prior art keywords
processor
data access
access
data
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
GB0126140A
Other versions
GB2382675A (en
GB0126140D0 (en
Inventor
Stephen Barlow
Neil Bailey
Timothy Ramsdale
David Plowman
Robert Swann
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.)
Broadcom Europe Ltd
Original Assignee
Alphamosaic 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 Alphamosaic Ltd filed Critical Alphamosaic Ltd
Priority to GB0126140A priority Critical patent/GB2382675B/en
Publication of GB0126140D0 publication Critical patent/GB0126140D0/en
Publication of GB2382675A publication Critical patent/GB2382675A/en
Application granted granted Critical
Publication of GB2382675B publication Critical patent/GB2382675B/en
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
    • G06F9/30098—Register arrangements
    • G06F9/30141—Implementation provisions of register files, e.g. ports
    • 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
    • G06F9/3013—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 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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • 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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G06F9/3016—Decoding the operand specifier, e.g. specifier format
    • G06F9/30167—Decoding the operand specifier, e.g. specifier format of immediate specifier, e.g. constants
    • 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
    • G06F9/34—Addressing or accessing the instruction operand or the result ; Formation of operand address; Addressing modes
    • G06F9/345—Addressing or accessing the instruction operand or the result ; Formation of operand address; Addressing modes of multiple operands or results
    • 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
    • G06F9/3885—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units

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)
GB0126140A 2001-10-31 2001-10-31 Data access in a processor Expired - Fee Related GB2382675B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0126140A GB2382675B (en) 2001-10-31 2001-10-31 Data access in a processor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0126140A GB2382675B (en) 2001-10-31 2001-10-31 Data access in a processor

Publications (3)

Publication Number Publication Date
GB0126140D0 GB0126140D0 (en) 2002-01-02
GB2382675A GB2382675A (en) 2003-06-04
GB2382675B true GB2382675B (en) 2005-09-07

Family

ID=9924878

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0126140A Expired - Fee Related GB2382675B (en) 2001-10-31 2001-10-31 Data access in a processor

Country Status (1)

Country Link
GB (1) GB2382675B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404448A (en) * 1992-08-12 1995-04-04 International Business Machines Corporation Multi-pixel access memory system
GB2352065A (en) * 1999-07-14 2001-01-17 Element 14 Ltd A memory access system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404448A (en) * 1992-08-12 1995-04-04 International Business Machines Corporation Multi-pixel access memory system
GB2352065A (en) * 1999-07-14 2001-01-17 Element 14 Ltd A memory access system

Also Published As

Publication number Publication date
GB2382675A (en) 2003-06-04
GB0126140D0 (en) 2002-01-02

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20190222 AND 20190227

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20201031