KR920001965B1 - Microcode branch based upon operand length and alignment - Google Patents

Microcode branch based upon operand length and alignment

Info

Publication number
KR920001965B1
KR920001965B1 KR8814990A KR880014990A KR920001965B1 KR 920001965 B1 KR920001965 B1 KR 920001965B1 KR 8814990 A KR8814990 A KR 8814990A KR 880014990 A KR880014990 A KR 880014990A KR 920001965 B1 KR920001965 B1 KR 920001965B1
Authority
KR
South Korea
Prior art keywords
alignment
operand length
branch based
microcode branch
microcode
Prior art date
Application number
KR8814990A
Other languages
English (en)
Other versions
KR890008685A (ko
Inventor
Vi Chau
Harold E Frye
Mark R Funk
Lynn A Mcmahon
Bruce R Petz
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of KR890008685A publication Critical patent/KR890008685A/ko
Application granted granted Critical
Publication of KR920001965B1 publication Critical patent/KR920001965B1/ko

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
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/3005—Arrangements for executing specific machine instructions to perform operations for flow control
    • G06F9/30061—Multi-way branch instructions, e.g. CASE
    • 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
    • G06F9/264—Microinstruction selection based on results of processing

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)
KR8814990A 1987-11-17 1988-11-15 Microcode branch based upon operand length and alignment KR920001965B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/121,443 US4933847A (en) 1987-11-17 1987-11-17 Microcode branch based upon operand length and alignment
US121,443 1987-11-17

Publications (2)

Publication Number Publication Date
KR890008685A KR890008685A (ko) 1989-07-12
KR920001965B1 true KR920001965B1 (en) 1992-03-07

Family

ID=22396769

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8814990A KR920001965B1 (en) 1987-11-17 1988-11-15 Microcode branch based upon operand length and alignment

Country Status (6)

Country Link
US (1) US4933847A (ko)
EP (1) EP0317473A3 (ko)
JP (1) JPH01137331A (ko)
KR (1) KR920001965B1 (ko)
CN (1) CN1016383B (ko)
GB (1) GB8814628D0 (ko)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5201043A (en) * 1989-04-05 1993-04-06 Intel Corporation System using both a supervisor level control bit and a user level control bit to enable/disable memory reference alignment checking
US5168571A (en) * 1990-01-24 1992-12-01 International Business Machines Corporation System for aligning bytes of variable multi-bytes length operand based on alu byte length and a number of unprocessed byte data
JPH04140892A (ja) * 1990-02-05 1992-05-14 Internatl Business Mach Corp <Ibm> 制御データをエンコードする装置及び方法
JP2606942B2 (ja) * 1990-02-22 1997-05-07 株式会社東芝 Ｄｍａコントローラ
US5335332A (en) * 1991-12-24 1994-08-02 International Business Machines Corporation Method and system for stack memory alignment utilizing recursion
US5542058A (en) * 1992-07-06 1996-07-30 Digital Equipment Corporation Pipelined computer with operand context queue to simplify context-dependent execution flow
DE4345028A1 (de) * 1993-05-06 1994-11-10 Hewlett Packard Co Vorrichtung zur Reduzierung von Verzögerungen aufgrund von Verzweigungen
US5559974A (en) * 1994-03-01 1996-09-24 Intel Corporation Decoder having independently loaded micro-alias and macro-alias registers accessible simultaneously by one micro-operation
CN103092564B (zh) * 1995-08-31 2016-04-06 英特尔公司 执行乘加指令的处理器和对分组数据执行乘加操作的系统
US5771011A (en) * 1996-07-15 1998-06-23 International Business Machines Corporation Match detect logic for multi-byte per cycle hardware data compression
US6184902B1 (en) 1997-04-30 2001-02-06 Hewlett-Packard Company Centralized branch intelligence system and method for a geometry accelerator
US5956047A (en) * 1997-04-30 1999-09-21 Hewlett-Packard Co. ROM-based control units in a geometry accelerator for a computer graphics system
US7698539B1 (en) * 2003-07-16 2010-04-13 Banning John P System and method of instruction modification
US7676797B2 (en) * 2005-01-31 2010-03-09 Computer Associates Think, Inc. System and method for managing long names in an application programming interface
US8495341B2 (en) * 2010-02-17 2013-07-23 International Business Machines Corporation Instruction length based cracking for instruction of variable length storage operands
JP5437878B2 (ja) * 2010-03-29 2014-03-12 ルネサスエレクトロニクス株式会社 情報処理装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3570006A (en) * 1968-01-02 1971-03-09 Honeywell Inc Multiple branch technique
US3979725A (en) * 1973-08-06 1976-09-07 Xerox Corporation Multi-way program branching circuits
US3916388A (en) * 1974-05-30 1975-10-28 Ibm Shifting apparatus for automatic data alignment
DE2529348A1 (de) * 1975-07-01 1977-01-13 Siemens Ag Verfahren zum verarbeiten von maschinenbefehlen mit bytefeldoperanden in einem mikroprogrammierten prozessor einer datenverarbeitungsanlage
US4200927A (en) * 1978-01-03 1980-04-29 International Business Machines Corporation Multi-instruction stream branch processing mechanism
US4438492A (en) * 1980-08-01 1984-03-20 Advanced Micro Devices, Inc. Interruptable microprogram controller for microcomputer systems
US4430706A (en) * 1980-10-27 1984-02-07 Burroughs Corporation Branch prediction apparatus and method for a data processing system
JPS5856164A (ja) * 1981-09-30 1983-04-02 Toshiba Corp デ−タ処理装置
US4569016A (en) * 1983-06-30 1986-02-04 International Business Machines Corporation Mechanism for implementing one machine cycle executable mask and rotate instructions in a primitive instruction set computing system
US4791557A (en) * 1985-07-31 1988-12-13 Wang Laboratories, Inc. Apparatus and method for monitoring and controlling the prefetching of instructions by an information processing system

Also Published As

Publication number Publication date
GB8814628D0 (en) 1988-07-27
KR890008685A (ko) 1989-07-12
CN1035190A (zh) 1989-08-30
CN1016383B (zh) 1992-04-22
US4933847A (en) 1990-06-12
JPH01137331A (ja) 1989-05-30
EP0317473A2 (en) 1989-05-24
EP0317473A3 (en) 1992-05-20

Similar Documents

Publication Publication Date Title
PT87399A (pt) Foam-fiber composite and process
ZA884529B (en) Curable mixtures and their use
KR920001965B1 (en) Microcode branch based upon operand length and alignment
EP0180725A3 (en) Instruction prefetch operation for branch and branch-with-execute instructions
DK47285D0 (da) Renininhiberende peptider og anvendelsen deraf
DK359686A (da) Lyofiliserede emulsionsmidler og fremgangsmaade
DK728988A (da) Chelaterende forbindelser og anvendelse deraf
EP0301306A3 (en) Cryostat and assembly thereof
EP0290744A3 (en) Anthracycline compounds and use thereof
DK413187D0 (da) Semicarbazoner og thiosemicarbazoner
JPS6468350A (en) Herbicide and intermediate
IL76058A0 (en) Coupling construction and clamp therefor
DK69586D0 (da) Pulverformigt bitumenkoncentrat og dets anvendelse
EP0311329A3 (en) Optically active-1-(2-halogen-substituted-phenyl)-ethanols and derivatives thereof
GB2248974B (en) Flexible and flexible-twistable waveguides
DK158286D0 (da) Pulverformigt bindemiddelkoncentrat og dets anvendelse
DK479989D0 (da) Carbonhydridemulsion og anvendelse deraf
JPS6425789A (en) Substituted amidephophonate and amidephosphate
DK363786A (da) Hydroquinoliner og anvendelse deraf
DK90087D0 (da) Stillads og stilladsbuk dertil
DK329484D0 (da) Soem og koblingsdel hertil
CS976187A1 (en) Oxigen-bridged tetrahydropyridines- parimidines and hexahydropyridines
IL86980A0 (en) Substituted amidophosphonates and amidophosphates
ZA884873B (en) Substituted amidophosphonates and amidophosphates
DK408486D0 (da) Roersamleorgan og anvendelse heraf

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19960223

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee