HK56295A - An improvement for pipelined decoding of instructions in a pipelined processor. - Google Patents

An improvement for pipelined decoding of instructions in a pipelined processor.

Info

Publication number
HK56295A
HK56295A HK56295A HK56295A HK56295A HK 56295 A HK56295 A HK 56295A HK 56295 A HK56295 A HK 56295A HK 56295 A HK56295 A HK 56295A HK 56295 A HK56295 A HK 56295A
Authority
HK
Hong Kong
Prior art keywords
pipelined
instructions
improvement
decoding
processor
Prior art date
Application number
HK56295A
Other languages
English (en)
Inventor
Beatrice Fu
Patrick P Gelsinger
Original Assignee
Intel Corp
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 Intel Corp filed Critical Intel Corp
Publication of HK56295A publication Critical patent/HK56295A/xx

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
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or 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
    • G06F9/22—Microcontrol or microprogram arrangements
    • G06F9/26—Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements
    • G06F9/262—Arrangements for next microinstruction selection
    • G06F9/268—Microinstruction selection not based on processing results, e.g. interrupt, patch, first cycle store, diagnostic programs
    • 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
    • G06F9/3016—Decoding the operand specifier, e.g. specifier format
    • G06F9/30167—Decoding the operand specifier, e.g. specifier format of immediate specifier, e.g. constants

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Executing Machine-Instructions (AREA)
  • Advance Control (AREA)
HK56295A 1989-04-07 1995-04-11 An improvement for pipelined decoding of instructions in a pipelined processor. HK56295A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33518689A 1989-04-07 1989-04-07

Publications (1)

Publication Number Publication Date
HK56295A true HK56295A (en) 1995-04-21

Family

ID=23310662

Family Applications (1)

Application Number Title Priority Date Filing Date
HK56295A HK56295A (en) 1989-04-07 1995-04-11 An improvement for pipelined decoding of instructions in a pipelined processor.

Country Status (5)

Country Link
JP (1) JP2847316B2 (ja)
DE (1) DE4010895C2 (ja)
FR (1) FR2645665B1 (ja)
GB (1) GB2230116B (ja)
HK (1) HK56295A (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5438668A (en) * 1992-03-31 1995-08-01 Seiko Epson Corporation System and method for extraction, alignment and decoding of CISC instructions into a nano-instruction bucket for execution by a RISC computer
EP0663083B1 (en) 1992-09-29 2000-12-20 Seiko Epson Corporation System and method for handling load and/or store operations in a superscalar microprocessor
US6735685B1 (en) 1992-09-29 2004-05-11 Seiko Epson Corporation System and method for handling load and/or store operations in a superscalar microprocessor
DE69425310T2 (de) * 1993-10-18 2001-06-13 Via Cyrix Inc Mikrosteuereinheit für einen superpipeline-superskalaren Mikroprozessor
US5794026A (en) * 1993-10-18 1998-08-11 National Semiconductor Microprocessor having expedited execution of condition dependent instructions
US5644741A (en) * 1993-10-18 1997-07-01 Cyrix Corporation Processor with single clock decode architecture employing single microROM

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629853A (en) * 1959-06-30 1971-12-21 Ibm Data-processing element
US4363091A (en) * 1978-01-31 1982-12-07 Intel Corporation Extended address, single and multiple bit microprocessor
CA1174370A (en) * 1980-05-19 1984-09-11 Hidekazu Matsumoto Data processing unit with pipelined operands
US4573118A (en) * 1983-03-31 1986-02-25 Fairchild Camera & Instrument Corporation Microprocessor with branch control
US4574344A (en) * 1983-09-29 1986-03-04 Tandem Computers Incorporated Entry control store for enhanced CPU pipeline performance
US4812972A (en) * 1984-06-20 1989-03-14 Convex Computer Corporation Microcode computer having dispatch and main control stores for storing the first and the remaining microinstructions of machine instructions
JPH0776917B2 (ja) * 1984-12-29 1995-08-16 ソニー株式会社 マイクロコンピユ−タ
JP2554050B2 (ja) * 1986-02-26 1996-11-13 株式会社日立製作所 デ−タ処理方法
JPS62226231A (ja) * 1986-03-27 1987-10-05 Toshiba Corp プロセツサ
JPH0772863B2 (ja) * 1986-10-30 1995-08-02 日本電気株式会社 プログラムカウンタ相対アドレス計算方式

Also Published As

Publication number Publication date
FR2645665A1 (fr) 1990-10-12
GB9003351D0 (en) 1990-04-11
JPH03201030A (ja) 1991-09-02
FR2645665B1 (fr) 1994-04-15
DE4010895C2 (de) 1998-09-24
JP2847316B2 (ja) 1999-01-20
DE4010895A1 (de) 1990-10-11
GB2230116B (en) 1993-02-17
GB2230116A (en) 1990-10-10

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)