IT1166705B - Apparecchiatura di calcolo perfezionata - Google Patents

Apparecchiatura di calcolo perfezionata

Info

Publication number
IT1166705B
IT1166705B IT21036/79A IT2103679A IT1166705B IT 1166705 B IT1166705 B IT 1166705B IT 21036/79 A IT21036/79 A IT 21036/79A IT 2103679 A IT2103679 A IT 2103679A IT 1166705 B IT1166705 B IT 1166705B
Authority
IT
Italy
Prior art keywords
perfected
calculation equipment
calculation
equipment
perfected calculation
Prior art date
Application number
IT21036/79A
Other languages
English (en)
Other versions
IT7921036A0 (it
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 IT7921036A0 publication Critical patent/IT7921036A0/it
Application granted granted Critical
Publication of IT1166705B publication Critical patent/IT1166705B/it

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
    • G06F9/3802—Instruction prefetching
    • G06F9/3804—Instruction prefetching for branches, e.g. hedging, branch folding
    • 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
    • G06F9/32—Address formation of the next instruction, e.g. by incrementing the instruction counter
    • G06F9/322—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address
    • G06F9/325—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address for loops, e.g. loop detection or loop counter

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)
IT21036/79A 1978-03-31 1979-03-16 Apparecchiatura di calcolo perfezionata IT1166705B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/892,243 US4181942A (en) 1978-03-31 1978-03-31 Program branching method and apparatus

Publications (2)

Publication Number Publication Date
IT7921036A0 IT7921036A0 (it) 1979-03-16
IT1166705B true IT1166705B (it) 1987-05-06

Family

ID=25399625

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21036/79A IT1166705B (it) 1978-03-31 1979-03-16 Apparecchiatura di calcolo perfezionata

Country Status (7)

Country Link
US (1) US4181942A (it)
JP (1) JPS54131843A (it)
BR (1) BR7901934A (it)
DE (1) DE2910839A1 (it)
FR (1) FR2421423B1 (it)
GB (1) GB2017984B (it)
IT (1) IT1166705B (it)

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US4309753A (en) * 1979-01-03 1982-01-05 Honeywell Information System Inc. Apparatus and method for next address generation in a data processing system
JPS6064235A (ja) * 1983-09-20 1985-04-12 Toshiba Corp Ｃｔスキヤナ
JPS61229134A (ja) * 1985-04-03 1986-10-13 Nec Corp マイクロコンピユ−タ
JPS6341932A (ja) * 1985-08-22 1988-02-23 Nec Corp 分岐命令処理装置
JPS63197232A (ja) * 1987-02-12 1988-08-16 Toshiba Corp マイクロプロセツサ
JP3452655B2 (ja) * 1993-09-27 2003-09-29 株式会社日立製作所 ディジタル信号処理プロセッサおよびそれを用いて命令を実行する方法
US6732253B1 (en) 2000-11-13 2004-05-04 Chipwrights Design, Inc. Loop handling for single instruction multiple datapath processor architectures
US6931518B1 (en) 2000-11-28 2005-08-16 Chipwrights Design, Inc. Branching around conditional processing if states of all single instruction multiple datapaths are disabled and the computer program is non-deterministic
US6886093B2 (en) * 2001-05-04 2005-04-26 Ip-First, Llc Speculative hybrid branch direction predictor
US20020194461A1 (en) * 2001-05-04 2002-12-19 Ip First Llc Speculative branch target address cache
US7134005B2 (en) * 2001-05-04 2006-11-07 Ip-First, Llc Microprocessor that detects erroneous speculative prediction of branch instruction opcode byte
US7165168B2 (en) * 2003-01-14 2007-01-16 Ip-First, Llc Microprocessor with branch target address cache update queue
US6895498B2 (en) * 2001-05-04 2005-05-17 Ip-First, Llc Apparatus and method for target address replacement in speculative branch target address cache
US7165169B2 (en) * 2001-05-04 2007-01-16 Ip-First, Llc Speculative branch target address cache with selective override by secondary predictor based on branch instruction type
US7200740B2 (en) * 2001-05-04 2007-04-03 Ip-First, Llc Apparatus and method for speculatively performing a return instruction in a microprocessor
US7707397B2 (en) * 2001-05-04 2010-04-27 Via Technologies, Inc. Variable group associativity branch target address cache delivering multiple target addresses per cache line
US7234045B2 (en) * 2001-07-03 2007-06-19 Ip-First, Llc Apparatus and method for handling BTAC branches that wrap across instruction cache lines
US6823444B1 (en) * 2001-07-03 2004-11-23 Ip-First, Llc Apparatus and method for selectively accessing disparate instruction buffer stages based on branch target address cache hit and instruction stage wrap
US7203824B2 (en) * 2001-07-03 2007-04-10 Ip-First, Llc Apparatus and method for handling BTAC branches that wrap across instruction cache lines
US7162619B2 (en) * 2001-07-03 2007-01-09 Ip-First, Llc Apparatus and method for densely packing a branch instruction predicted by a branch target address cache and associated target instructions into a byte-wide instruction buffer
US7159097B2 (en) * 2002-04-26 2007-01-02 Ip-First, Llc Apparatus and method for buffering instructions and late-generated related information using history of previous load/shifts
US6970985B2 (en) 2002-07-09 2005-11-29 Bluerisc Inc. Statically speculative memory accessing
US7152154B2 (en) * 2003-01-16 2006-12-19 Ip-First, Llc. Apparatus and method for invalidation of redundant branch target address cache entries
US7143269B2 (en) * 2003-01-14 2006-11-28 Ip-First, Llc Apparatus and method for killing an instruction after loading the instruction into an instruction queue in a pipelined microprocessor
US7185186B2 (en) 2003-01-14 2007-02-27 Ip-First, Llc Apparatus and method for resolving deadlock fetch conditions involving branch target address cache
US7178010B2 (en) * 2003-01-16 2007-02-13 Ip-First, Llc Method and apparatus for correcting an internal call/return stack in a microprocessor that detects from multiple pipeline stages incorrect speculative update of the call/return stack
US7237098B2 (en) * 2003-09-08 2007-06-26 Ip-First, Llc Apparatus and method for selectively overriding return stack prediction in response to detection of non-standard return sequence
US20050114850A1 (en) 2003-10-29 2005-05-26 Saurabh Chheda Energy-focused re-compilation of executables and hardware mechanisms based on compiler-architecture interaction and compiler-inserted control
US7996671B2 (en) 2003-11-17 2011-08-09 Bluerisc Inc. Security of program executables and microprocessors based on compiler-architecture interaction
US8607209B2 (en) 2004-02-04 2013-12-10 Bluerisc Inc. Energy-focused compiler-assisted branch prediction
US20070294181A1 (en) * 2006-05-22 2007-12-20 Saurabh Chheda Flexible digital rights management with secure snippets
US20080126766A1 (en) 2006-11-03 2008-05-29 Saurabh Chheda Securing microprocessors against information leakage and physical tampering
US20080154379A1 (en) * 2006-12-22 2008-06-26 Musculoskeletal Transplant Foundation Interbody fusion hybrid graft
EP2120244A1 (de) 2008-05-15 2009-11-18 ABB Technology AG Hochspannungs-Leistungsschalter

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US3058658A (en) * 1957-12-16 1962-10-16 Electronique Soc Nouv Control unit for digital computing systems
US3239820A (en) * 1962-02-16 1966-03-08 Burroughs Corp Digital computer with automatic repeating of program segments
US3292153A (en) * 1962-10-01 1966-12-13 Burroughs Corp Memory system
US3292155A (en) * 1963-03-15 1966-12-13 Burroughs Corp Computer branch command
US3297998A (en) * 1963-06-10 1967-01-10 Beckman Instruments Inc List control
US3366929A (en) * 1964-12-30 1968-01-30 Ibm Computing system embodying flexible subroutine capabilities
US3490005A (en) * 1966-09-21 1970-01-13 Ibm Instruction handling unit for program loops
GB1506840A (en) * 1967-09-12 1978-04-12 Licentia Gmbh Method of advancing the point of impact for passive-location missiles guided by means of proportional navigation in the self-guide phase
DE1578299B2 (de) * 1967-10-14 1976-03-11 Licenti a Patent-Verwaltung s-GmbH, 6000 Frankfurt Verfahren zur treffpunktvorverlegung fuer passiv ortende in der eigenlenkphase mittels proportionalnavigation gelenkte geschosse
US3577190A (en) * 1968-06-26 1971-05-04 Ibm Apparatus in a digital computer for allowing the skipping of predetermined instructions in a sequence of instructions, in response to the occurrence of certain conditions
US3573853A (en) * 1968-12-04 1971-04-06 Texas Instruments Inc Look-ahead control for operation of program loops
US3577189A (en) * 1969-01-15 1971-05-04 Ibm Apparatus and method in a digital computer for allowing improved program branching with branch anticipation reduction of the number of branches, and reduction of branch delays
US3665402A (en) * 1970-02-16 1972-05-23 Sanders Associates Inc Computer addressing apparatus
FR2226066A5 (it) * 1970-10-13 1974-11-08 Bodenseewerk Geraetetech
US3737867A (en) * 1971-02-12 1973-06-05 D Cavin Digital computer with accumulator sign bit indexing
US3713108A (en) * 1971-03-25 1973-01-23 Ibm Branch control for a digital machine
US3728686A (en) * 1971-06-07 1973-04-17 Rca Corp Computer memory with improved next word accessing
US3728689A (en) * 1971-06-21 1973-04-17 Sanders Associates Inc Program branching and register addressing procedures and apparatus
US3793631A (en) * 1972-09-22 1974-02-19 Westinghouse Electric Corp Digital computer apparatus operative with jump instructions
JPS5324151B2 (it) * 1972-12-25 1978-07-19
IT1000638B (it) * 1973-12-28 1976-04-10 Olivetti & Co Spa Calcolatore elettronico con dispo sitivo di deviazione dei micropro grammi
US3958227A (en) * 1974-09-24 1976-05-18 International Business Machines Corporation Control store system with flexible control word selection

Also Published As

Publication number Publication date
FR2421423B1 (fr) 1987-04-24
JPS5732814B2 (it) 1982-07-13
JPS54131843A (en) 1979-10-13
BR7901934A (pt) 1979-10-23
IT7921036A0 (it) 1979-03-16
US4181942A (en) 1980-01-01
DE2910839A1 (de) 1979-10-04
FR2421423A1 (fr) 1979-10-26
GB2017984A (en) 1979-10-10
GB2017984B (en) 1982-05-12

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