AU2001283408A1 - Method and apparatus for flexible data types - Google Patents

Method and apparatus for flexible data types

Info

Publication number
AU2001283408A1
AU2001283408A1 AU2001283408A AU8340801A AU2001283408A1 AU 2001283408 A1 AU2001283408 A1 AU 2001283408A1 AU 2001283408 A AU2001283408 A AU 2001283408A AU 8340801 A AU8340801 A AU 8340801A AU 2001283408 A1 AU2001283408 A1 AU 2001283408A1
Authority
AU
Australia
Prior art keywords
operand
digital signal
data type
dsp
executing
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.)
Abandoned
Application number
AU2001283408A
Other languages
English (en)
Inventor
Kumar Ganapathy
Ruban Kanapathipillai
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.)
Vxtel Inc
Original Assignee
Vxtel 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 Vxtel Inc filed Critical Vxtel Inc
Publication of AU2001283408A1 publication Critical patent/AU2001283408A1/en
Abandoned legal-status Critical Current

Links

Classifications

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    • 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
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    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F5/00—Methods or arrangements for data conversion without changing the order or content of the data handled
    • G—PHYSICS
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    • 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
    • G06F7/4806—Computations with complex numbers
    • G—PHYSICS
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    • 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
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    • 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
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    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
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    • G06F9/30167—Decoding the operand specifier, e.g. specifier format of immediate specifier, e.g. constants
    • G—PHYSICS
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    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30181—Instruction operation extension or modification
    • G—PHYSICS
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    • G06F9/30181—Instruction operation extension or modification
    • G06F9/30192—Instruction operation extension or modification according to data descriptor, e.g. dynamic data typing
    • G—PHYSICS
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    • 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
    • G06F9/3808—Instruction prefetching for instruction reuse, e.g. trace cache, branch target cache
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    • G—PHYSICS
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    • G06F9/00—Arrangements for program control, e.g. control units
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    • 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
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    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49905—Exception handling
    • G06F7/4991—Overflow or underflow
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    • G06F7/52—Multiplying; Dividing
    • G06F7/523—Multiplying only
    • G06F7/53—Multiplying only in parallel-parallel fashion, i.e. both operands being entered in parallel
    • G06F7/5318—Multiplying only in parallel-parallel fashion, i.e. both operands being entered in parallel with column wise addition of partial products, e.g. using Wallace tree, Dadda counters
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    • 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
    • G06F7/52—Multiplying; Dividing
    • G06F7/523—Multiplying only
    • G06F7/533—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
    • G06F7/5332—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by skipping over strings of zeroes or ones, e.g. using the Booth Algorithm
AU2001283408A 2000-08-31 2001-08-16 Method and apparatus for flexible data types Abandoned AU2001283408A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/652,556 US6557096B1 (en) 1999-10-25 2000-08-31 Processors with data typer and aligner selectively coupling data bits of data buses to adder and multiplier functional blocks to execute instructions with flexible data types
US09652556 2000-08-31
PCT/US2001/025670 WO2002019093A1 (en) 2000-08-31 2001-08-16 Method and apparatus for flexible data types

Publications (1)

Publication Number Publication Date
AU2001283408A1 true AU2001283408A1 (en) 2002-03-13

Family

ID=24617256

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001283408A Abandoned AU2001283408A1 (en) 2000-08-31 2001-08-16 Method and apparatus for flexible data types

Country Status (7)

Country Link
US (3) US6557096B1 (zh)
EP (1) EP1323026B1 (zh)
CN (4) CN100555214C (zh)
AT (1) ATE323904T1 (zh)
AU (1) AU2001283408A1 (zh)
DE (1) DE60118945T2 (zh)
WO (1) WO2002019093A1 (zh)

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CN101101540A (zh) 2008-01-09
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US20030172249A1 (en) 2003-09-11
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