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GB2338094B - Vector register addressing - Google Patents

Vector register addressing

Info

Publication number
GB2338094B
GB2338094B GB9905296A GB9905296A GB2338094B GB 2338094 B GB2338094 B GB 2338094B GB 9905296 A GB9905296 A GB 9905296A GB 9905296 A GB9905296 A GB 9905296A GB 2338094 B GB2338094 B GB 2338094B
Authority
GB
United Kingdom
Prior art keywords
vector register
register addressing
addressing
vector
register
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
GB9905296A
Other versions
GB9905296D0 (en
GB2338094A (en
Inventor
Christopher Neal Hinds
Matthew Paul Elwood
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.)
ARM Ltd
Original Assignee
ARM Ltd
Advanced Risc Machines 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
Priority claimed from US09/084,304 external-priority patent/US6282634B1/en
Application filed by ARM Ltd, Advanced Risc Machines Ltd filed Critical ARM Ltd
Publication of GB9905296D0 publication Critical patent/GB9905296D0/en
Publication of GB2338094A publication Critical patent/GB2338094A/en
Application granted granted Critical
Publication of GB2338094B publication Critical patent/GB2338094B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/544—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices for evaluating functions by calculation
    • G06F7/5443—Sum of products
    • 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
    • G06F9/30105—Register structure
    • G06F9/30112—Register structure comprising data of variable length
    • 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
    • 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
    • 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
    • G06F9/34—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
    • G06F9/3455—Addressing or accessing the instruction operand or the result ; Formation of operand address; Addressing modes of multiple operands or results using stride
    • 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
    • G06F9/355—Indexed addressing
    • G06F9/3552—Indexed addressing using wraparound, e.g. modulo or circular addressing
    • 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
    • G06F9/3877—Concurrent instruction execution, e.g. pipeline or look ahead using a slave processor, e.g. coprocessor
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/483—Computations with numbers represented by a non-linear combination of denominational numbers, e.g. rational numbers, logarithmic number system or floating-point numbers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49942—Significance control
    • G06F7/49947—Rounding
    • G06F7/49957—Implementation of IEEE-754 Standard

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Complex Calculations (AREA)
  • Executing Machine-Instructions (AREA)
GB9905296A 1998-05-27 1999-03-08 Vector register addressing Expired - Lifetime GB2338094B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/084,304 US6282634B1 (en) 1998-05-27 1998-05-27 Apparatus and method for processing data having a mixed vector/scalar register file
US09/143,449 US6332186B1 (en) 1998-05-27 1998-08-28 Vector register addressing

Publications (3)

Publication Number Publication Date
GB9905296D0 GB9905296D0 (en) 1999-04-28
GB2338094A GB2338094A (en) 1999-12-08
GB2338094B true GB2338094B (en) 2003-05-28

Family

ID=26770831

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9905296A Expired - Lifetime GB2338094B (en) 1998-05-27 1999-03-08 Vector register addressing

Country Status (2)

Country Link
JP (1) JPH11353305A (en)
GB (1) GB2338094B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12321744B1 (en) * 2023-06-27 2025-06-03 Advanced Micro Devices, Inc. Systems and methods for hardware gather optimization

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6857061B1 (en) * 2000-04-07 2005-02-15 Nintendo Co., Ltd. Method and apparatus for obtaining a scalar value directly from a vector register
US6986023B2 (en) 2002-08-09 2006-01-10 Intel Corporation Conditional execution of coprocessor instruction based on main processor arithmetic flags
US9189230B2 (en) 2004-03-31 2015-11-17 Intel Corporation Method and system to provide concurrent user-level, non-privileged shared resource thread creation and execution
US9069547B2 (en) * 2006-09-22 2015-06-30 Intel Corporation Instruction and logic for processing text strings
WO2008111500A1 (en) * 2007-03-08 2008-09-18 Nec Corporation Vector processing unit
US8914430B2 (en) 2010-09-24 2014-12-16 Intel Corporation Multiply add functional unit capable of executing scale, round, GETEXP, round, GETMANT, reduce, range and class instructions
JP6500266B2 (en) * 2016-12-13 2019-04-17 株式会社アクセル Digital signal processor
FR3134206A1 (en) * 2022-03-31 2023-10-06 Kalray System for managing a group of rotating registers defined arbitrarily in processor registers

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1209999A (en) * 1968-01-15 1970-10-28 Ibm Data processing apparatus
EP0208870A1 (en) * 1980-07-21 1987-01-21 Hitachi, Ltd. Vector data processor
US4812974A (en) * 1985-01-29 1989-03-14 Hitachi, Ltd. Data processing apparatus for processing list vector instructions

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1209999A (en) * 1968-01-15 1970-10-28 Ibm Data processing apparatus
EP0208870A1 (en) * 1980-07-21 1987-01-21 Hitachi, Ltd. Vector data processor
US4812974A (en) * 1985-01-29 1989-03-14 Hitachi, Ltd. Data processing apparatus for processing list vector instructions

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
TDB Access No.NN9412629 & IBM Technical Disclosure Bulletin,v37, n12, 1 Dec 1994, pages 629-632. *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12321744B1 (en) * 2023-06-27 2025-06-03 Advanced Micro Devices, Inc. Systems and methods for hardware gather optimization

Also Published As

Publication number Publication date
GB9905296D0 (en) 1999-04-28
GB2338094A (en) 1999-12-08
JPH11353305A (en) 1999-12-24

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20190307