DE19681705T1 - Verfahren und Einrichtung zum schnellen Decodieren von auf 00H- und 0FH-abgebildeten Instruktionen - Google Patents

Verfahren und Einrichtung zum schnellen Decodieren von auf 00H- und 0FH-abgebildeten Instruktionen

Info

Publication number
DE19681705T1
DE19681705T1 DE19681705T DE19681705T DE19681705T1 DE 19681705 T1 DE19681705 T1 DE 19681705T1 DE 19681705 T DE19681705 T DE 19681705T DE 19681705 T DE19681705 T DE 19681705T DE 19681705 T1 DE19681705 T1 DE 19681705T1
Authority
DE
Germany
Prior art keywords
decoding instructions
quickly decoding
instructions mapped
mapped
quickly
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.)
Granted
Application number
DE19681705T
Other languages
English (en)
Other versions
DE19681705C2 (de
Inventor
Bob Brennan
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.)
Intel Corp
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 DE19681705T1 publication Critical patent/DE19681705T1/de
Application granted granted Critical
Publication of DE19681705C2 publication Critical patent/DE19681705C2/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
    • 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
    • G06F9/3818—Decoding for concurrent execution
    • G06F9/3822—Parallel decoding, e.g. parallel decode units
    • 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
    • G06F9/30152—Determining start or end of instruction; determining instruction length
    • 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
    • G06F9/3802—Instruction prefetching
    • G06F9/3816—Instruction alignment, e.g. cache line crossing
DE19681705T 1995-12-27 1996-12-27 Verfahren und Einrichtung zum schnellen Decodieren von 00H- und 0FH-abgebildeten Instruktionen Expired - Lifetime DE19681705C2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/579,419 US5740392A (en) 1995-12-27 1995-12-27 Method and apparatus for fast decoding of 00H and OFH mapped instructions
PCT/US1996/020828 WO1997024659A1 (en) 1995-12-27 1996-12-27 Method and apparatus for fast decoding of ooh and ofh mapped instructions

Publications (2)

Publication Number Publication Date
DE19681705T1 true DE19681705T1 (de) 1998-11-05
DE19681705C2 DE19681705C2 (de) 2000-12-14

Family

ID=24316830

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681705T Expired - Lifetime DE19681705C2 (de) 1995-12-27 1996-12-27 Verfahren und Einrichtung zum schnellen Decodieren von 00H- und 0FH-abgebildeten Instruktionen

Country Status (8)

Country Link
US (1) US5740392A (de)
KR (1) KR100286417B1 (de)
AU (1) AU1356497A (de)
DE (1) DE19681705C2 (de)
GB (1) GB2322211B (de)
HK (1) HK1015901A1 (de)
WO (1) WO1997024659A1 (de)
ZA (1) ZA9610675B (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9704476L (sv) * 1997-12-02 1999-06-23 Ericsson Telefon Ab L M Utökad instruktionsavkodning
US6134650A (en) * 1997-12-12 2000-10-17 Advanced Micro Devices, Inc. Apparatus and method for predicting a first scanned instruction as microcode instruction prior to scanning predecode data
US6061775A (en) * 1997-12-12 2000-05-09 Advanced Micro Devices, Inc. Apparatus and method for predicting a first microcode instruction of a cache line and using predecode instruction data to identify instruction boundaries and types
US5890006A (en) * 1997-12-12 1999-03-30 Advanced Micro Devices, Inc. Apparatus for extracting instruction specific bytes from an instruction
US6308257B1 (en) 1999-04-20 2001-10-23 Intel Corporation Method and apparatus for generating boundary markers for an instruction stream including variable-length instructions
US7711926B2 (en) * 2001-04-18 2010-05-04 Mips Technologies, Inc. Mapping system and method for instruction set processing
US7139900B2 (en) 2003-06-23 2006-11-21 Intel Corporation Data packet arithmetic logic devices and methods
US7917734B2 (en) 2003-06-30 2011-03-29 Intel Corporation Determining length of instruction with multiple byte escape code based on information from other than opcode byte
JP2007122626A (ja) * 2005-10-31 2007-05-17 Matsushita Electric Ind Co Ltd マイクロプロセッサ
KR100779109B1 (ko) * 2006-09-22 2007-11-27 한국인터넷진흥원 Rfid 코드 생성방법
US8281109B2 (en) * 2007-12-27 2012-10-02 Intel Corporation Compressed instruction format
WO2013101042A1 (en) * 2011-12-29 2013-07-04 Intel Corporation Indicating a length of an instruction of a variable length instruction set
US8930678B2 (en) * 2012-04-26 2015-01-06 Intel Corporation Instruction and logic to length decode X86 instructions
US11204768B2 (en) 2019-11-06 2021-12-21 Onnivation Llc Instruction length based parallel instruction demarcator

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3711692A (en) * 1971-03-15 1973-01-16 Goodyear Aerospace Corp Determination of number of ones in a data field by addition
US3723715A (en) * 1971-08-25 1973-03-27 Ibm Fast modulo threshold operator binary adder for multi-number additions
US4161784A (en) * 1978-01-05 1979-07-17 Honeywell Information Systems, Inc. Microprogrammable floating point arithmetic unit capable of performing arithmetic operations on long and short operands
US4418383A (en) * 1980-06-30 1983-11-29 International Business Machines Corporation Data flow component for processor and microprocessor systems
US4393468A (en) * 1981-03-26 1983-07-12 Advanced Micro Devices, Inc. Bit slice microprogrammable processor for signal processing applications
US4498177A (en) * 1982-08-30 1985-02-05 Sperry Corporation M Out of N code checker circuit
US4707800A (en) * 1985-03-04 1987-11-17 Raytheon Company Adder/substractor for variable length numbers
JPS6297060A (ja) * 1985-10-23 1987-05-06 Mitsubishi Electric Corp デイジタルシグナルプロセツサ
US4989168A (en) * 1987-11-30 1991-01-29 Fujitsu Limited Multiplying unit in a computer system, capable of population counting
KR920007505B1 (ko) * 1989-02-02 1992-09-04 정호선 신경회로망을 이용한 곱셈기
US5113515A (en) * 1989-02-03 1992-05-12 Digital Equipment Corporation Virtual instruction cache system using length responsive decoded instruction shifting and merging with prefetch buffer outputs to fill instruction buffer
US5187679A (en) * 1991-06-05 1993-02-16 International Business Machines Corporation Generalized 7/3 counters
GB2263987B (en) * 1992-02-06 1996-03-06 Intel Corp End bit markers for instruction decode
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
US5572682A (en) * 1992-04-03 1996-11-05 Cyrix Corporation Control logic for a sequential data buffer using byte read-enable lines to define and shift the access window

Also Published As

Publication number Publication date
US5740392A (en) 1998-04-14
AU1356497A (en) 1997-07-28
HK1015901A1 (en) 1999-10-22
DE19681705C2 (de) 2000-12-14
KR100286417B1 (ko) 2001-04-16
WO1997024659A1 (en) 1997-07-10
ZA9610675B (en) 1997-08-22
GB2322211B (en) 2000-08-02
GB2322211A (en) 1998-08-19
GB9812272D0 (en) 1998-08-05
KR19990076844A (ko) 1999-10-25

Similar Documents

Publication Publication Date Title
DE59701062D1 (de) Verfahren und Vorrichtung zum Applizieren von selbsthaftender Schutzfolie auf Karosserien
DE69526257D1 (de) Verfahren zum navigieren und system dafür
DE69735922D1 (de) System und Verfahren zum flexiblen Darstellen von Arbeitsvorgängen
DE69604700T2 (de) Verfahren und vorrichtung zum erleichtern der anpassung von sensoren an pulsoximetern
DE69315204D1 (de) Verfahren und Vorrichtung zur Reinigung von Wasser
DE19680561T1 (de) Vorrichtung und Verfahren zur Aufbereitung von Wasser
DE19681227T1 (de) Verfahren und System zum Sterilisieren von medizinischen Instrumenten
DE69430421D1 (de) Verfahren und Gerät zur Automatisierung der Umgebungsanpassung von Rechnerprogrammen
IT1283443B1 (it) Dispositivo e metodo per rinforzare punti chirurgici
DE69735286D1 (de) Multiprozessorsystem ausgestaltet zur Ausführung von Vorausladeoperationen und Verfahren dafür
DE19681705T1 (de) Verfahren und Einrichtung zum schnellen Decodieren von auf 00H- und 0FH-abgebildeten Instruktionen
DE69519107T2 (de) Verfahren und artikel zum entkeimen von wasser
DE69635547D1 (de) Verfahren und einrichtung zum wiegen von kombinationen
DE19681321T1 (de) Radiometer und Verfahren zum Anzeigen von Wasser
DE69701599T2 (de) Verfahren und Vorrichtung zum Anbringen von Ausgiesseinrichtungen an Behältern
DE69416719D1 (de) Verfahren zur Programmierung eines Aufzeichnungsgeräts und Programmiergerät
DE69426594D1 (de) Verfahren und vorrichtung zum herstellen von einlagigen paneelen
FI960192A0 (fi) Menetelmä ja laite veden puhdistamiseksi
DE69523774D1 (de) Verfahren und vorrichtung zum anbringen von sichtbaren markierungen auf transparentem material
DE69802165D1 (de) Verfahren und vorrichtung zum anbringen von lösbaren etiketten auf annähernd quaderförmigen verpackungen
EE9700198A (et) Meetod ja aparatuur orgaaniliste jäätmete töötlemiseks
DE69630846D1 (de) Verfahren und Vorrichtung zum Aufbringen von Bändern auf Gegenstände
DE59607545D1 (de) Verfahren und vorrichtung zum dosieren von dickstoffen
DE69621095D1 (de) Unterirdischer Pufferbehälter zum Lagern und Behandeln von Regenwasser
DE69531024D1 (de) Verfahren und Einrichtung zur Erkennung von geänderten Zeilen

Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8607 Notification of search results after publication
8607 Notification of search results after publication
8607 Notification of search results after publication
D2 Grant after examination
8364 No opposition during term of opposition
R071 Expiry of right