DE69129565T2 - Hochleistungsfähiger Emulator mit Pipelining - Google Patents

Hochleistungsfähiger Emulator mit Pipelining

Info

Publication number
DE69129565T2
DE69129565T2 DE69129565T DE69129565T DE69129565T2 DE 69129565 T2 DE69129565 T2 DE 69129565T2 DE 69129565 T DE69129565 T DE 69129565T DE 69129565 T DE69129565 T DE 69129565T DE 69129565 T2 DE69129565 T2 DE 69129565T2
Authority
DE
Germany
Prior art keywords
pipelining
high performance
emulator
performance emulator
performance
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.)
Expired - Fee Related
Application number
DE69129565T
Other languages
English (en)
Other versions
DE69129565D1 (de
Inventor
Steven S Smith
Arnold J Smith
Amy E Gilfeather
Richard Brown
Thomas F Joyce
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.)
Bull HN Information Systems Inc
Original Assignee
Bull HN Information Systems 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 Bull HN Information Systems Inc filed Critical Bull HN Information Systems Inc
Publication of DE69129565D1 publication Critical patent/DE69129565D1/de
Application granted granted Critical
Publication of DE69129565T2 publication Critical patent/DE69129565T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06F9/38—Concurrent instruction execution, e.g. pipeline, 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
    • G06F9/3017—Runtime instruction translation, e.g. macros
    • G06F9/30174—Runtime instruction translation, e.g. macros for non-native instruction set, e.g. Javabyte, legacy code
    • 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
    • G06F9/3877—Concurrent instruction execution, e.g. pipeline, look ahead using a slave processor, e.g. coprocessor
    • G06F9/3879—Concurrent instruction execution, e.g. pipeline, look ahead using a slave processor, e.g. coprocessor for non-native instruction execution, e.g. executing a command; for Java instruction set
DE69129565T 1990-06-29 1991-06-20 Hochleistungsfähiger Emulator mit Pipelining Expired - Fee Related DE69129565T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/546,348 US5430862A (en) 1990-06-29 1990-06-29 Emulation of CISC instructions by RISC instructions using two pipelined stages for overlapped CISC decoding and RISC execution

Publications (2)

Publication Number Publication Date
DE69129565D1 DE69129565D1 (de) 1998-07-16
DE69129565T2 true DE69129565T2 (de) 1999-03-18

Family

ID=24180022

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69129565T Expired - Fee Related DE69129565T2 (de) 1990-06-29 1991-06-20 Hochleistungsfähiger Emulator mit Pipelining

Country Status (4)

Country Link
US (1) US5430862A (de)
EP (1) EP0464494B1 (de)
CA (1) CA2041507C (de)
DE (1) DE69129565T2 (de)

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US6041402A (en) * 1998-01-05 2000-03-21 Trw Inc. Direct vectored legacy instruction set emulation
US6546479B1 (en) * 1998-02-10 2003-04-08 Koninklijke Philips Electronics N.V. Reduced instruction fetch latency in a system including a pipelined processor
US6668242B1 (en) 1998-09-25 2003-12-23 Infineon Technologies North America Corp. Emulator chip package that plugs directly into the target system
US7225436B1 (en) 1998-12-08 2007-05-29 Nazomi Communications Inc. Java hardware accelerator using microcode engine
US20050149694A1 (en) * 1998-12-08 2005-07-07 Mukesh Patel Java hardware accelerator using microcode engine
US6332215B1 (en) 1998-12-08 2001-12-18 Nazomi Communications, Inc. Java virtual machine hardware for RISC and CISC processors
US6826749B2 (en) 1998-12-08 2004-11-30 Nazomi Communications, Inc. Java hardware accelerator using thread manager
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GB2362729B (en) * 1999-12-23 2004-02-11 St Microelectronics Sa Memory access debug facility
GB2366006B (en) * 1999-12-23 2004-06-30 St Microelectronics Sa A computer system with debug facility
GB2362968B (en) * 1999-12-23 2003-12-10 St Microelectronics Sa Computer system with debug facility
KR20020028814A (ko) * 2000-10-10 2002-04-17 나조미 커뮤니케이션즈, 인코포레이티드 마이크로코드 엔진을 이용한 자바 하드웨어 가속기
US7149878B1 (en) * 2000-10-30 2006-12-12 Mips Technologies, Inc. Changing instruction set architecture mode by comparison of current instruction execution address with boundary address register values
US7107439B2 (en) * 2001-08-10 2006-09-12 Mips Technologies, Inc. System and method of controlling software decompression through exceptions
US8769508B2 (en) 2001-08-24 2014-07-01 Nazomi Communications Inc. Virtual machine hardware for RISC and CISC processors
US7802080B2 (en) * 2004-03-24 2010-09-21 Arm Limited Null exception handling
GB2426083A (en) * 2005-05-09 2006-11-15 Sony Comp Entertainment Europe Software emulation of a pipeline processor
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US9026424B1 (en) * 2008-10-27 2015-05-05 Juniper Networks, Inc. Emulation of multiple instruction sets
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Also Published As

Publication number Publication date
EP0464494A2 (de) 1992-01-08
CA2041507C (en) 1999-04-06
DE69129565D1 (de) 1998-07-16
EP0464494B1 (de) 1998-06-10
CA2041507A1 (en) 1991-12-30
EP0464494A3 (en) 1993-12-08
US5430862A (en) 1995-07-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee