DE69836056D1 - Prozessor mit verringerter Zahl von bedingten Befehlen - Google Patents

Prozessor mit verringerter Zahl von bedingten Befehlen

Info

Publication number
DE69836056D1
DE69836056D1 DE69836056T DE69836056T DE69836056D1 DE 69836056 D1 DE69836056 D1 DE 69836056D1 DE 69836056 T DE69836056 T DE 69836056T DE 69836056 T DE69836056 T DE 69836056T DE 69836056 D1 DE69836056 D1 DE 69836056D1
Authority
DE
Germany
Prior art keywords
processor
reduced number
conditional commands
conditional
commands
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 - Lifetime
Application number
DE69836056T
Other languages
English (en)
Other versions
DE69836056T2 (de
Inventor
Shuichi Takayama
Kensuke Odani
Akira Tanaka
Nobuo Higaki
Masato Suzuki
Tetsuya Tanaka
Taketo Heishi
Shinya Miyaji
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP23435497A external-priority patent/JP3419267B2/ja
Priority claimed from JP09564598A external-priority patent/JP3843594B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69836056D1 publication Critical patent/DE69836056D1/de
Application granted granted Critical
Publication of DE69836056T2 publication Critical patent/DE69836056T2/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
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/3005—Arrangements for executing specific machine instructions to perform operations for flow control
    • G06F9/30058—Conditional branch instructions
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/40—Transformation of program code
    • G06F8/41—Compilation
    • G06F8/44—Encoding
    • G06F8/447—Target code generation
    • 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
    • G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/30021—Compare instructions, e.g. Greater-Than, Equal-To, MINMAX
    • 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
    • G06F9/30072—Arrangements for executing specific machine instructions to perform conditional operations, e.g. using predicates or guards
    • 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
    • G06F9/30094—Condition code generation, e.g. Carry, Zero flag
    • 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
    • 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
    • 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
    • G06F9/30181—Instruction operation extension or modification
    • 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
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • G06F9/3842—Speculative instruction execution

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Executing Special Programs (AREA)
  • Executing Machine-Instructions (AREA)
DE69836056T 1997-08-29 1998-08-28 Prozessor mit verringerter Zahl von bedingten Befehlen Expired - Lifetime DE69836056T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP23435497 1997-08-29
JP23435497A JP3419267B2 (ja) 1997-08-29 1997-08-29 プロセッサ、コンパイラ及び命令列変換装置
JP09564598A JP3843594B2 (ja) 1998-04-08 1998-04-08 プロセッサ、コンパイラ及び命令列変換装置
JP9564598 1998-04-08

Publications (2)

Publication Number Publication Date
DE69836056D1 true DE69836056D1 (de) 2006-11-16
DE69836056T2 DE69836056T2 (de) 2007-04-12

Family

ID=26436871

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69836056T Expired - Lifetime DE69836056T2 (de) 1997-08-29 1998-08-28 Prozessor mit verringerter Zahl von bedingten Befehlen

Country Status (4)

Country Link
US (3) US6230258B1 (de)
EP (2) EP1645956A3 (de)
CN (3) CN100347668C (de)
DE (1) DE69836056T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6360316B1 (en) * 1999-06-16 2002-03-19 Intel Corporation Method for fast detection of mutually exclusive predicated instructions
US6321380B1 (en) * 1999-06-29 2001-11-20 International Business Machines Corporation Method and apparatus for modifying instruction operations in a processor
DE10111461B4 (de) * 2001-03-09 2005-08-11 Fujitsu Siemens Computers Gmbh Verfahren zum Umsetzen eines Objektcodes für einen ersten Prozessor in einen Objektcode eines zweiten Prozessors
JP3851228B2 (ja) * 2002-06-14 2006-11-29 松下電器産業株式会社 プロセッサ、プログラム変換装置及びプログラム変換方法、並びにコンピュータプログラム
US20040230781A1 (en) * 2003-05-16 2004-11-18 Via-Cyrix, Inc. Method and system for predicting the execution of conditional instructions in a processor
US8977837B2 (en) * 2009-05-27 2015-03-10 Arm Limited Apparatus and method for early issue and recovery for a conditional load instruction having multiple outcomes
CN101739237B (zh) * 2009-12-21 2013-09-18 龙芯中科技术有限公司 微处理器功能性指令实现装置和方法
CN102446112B (zh) * 2010-10-12 2015-05-20 无锡江南计算技术研究所 指令处理装置和处理器、指令翻译装置和方法

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5165033A (en) * 1983-07-25 1992-11-17 Hitachi, Ltd. Microprocessor and data processor using the former
JPS6043751A (ja) * 1983-08-18 1985-03-08 Hitachi Ltd 情報処理装置
JP2810043B2 (ja) * 1987-11-13 1998-10-15 株式会社日立製作所 データ処理装置
US5471593A (en) * 1989-12-11 1995-11-28 Branigin; Michael H. Computer processor with an efficient means of executing many instructions simultaneously
JPH0460720A (ja) * 1990-06-29 1992-02-26 Hitachi Ltd 条件分岐命令制御方式
US5539888A (en) * 1993-12-23 1996-07-23 Unisys Corporation System and method for processing external conditional branch instructions
KR960021079A (ko) * 1994-12-21 1996-07-18 김진만 골프 스윙 교정 헬스기
EP0730220A3 (de) * 1995-03-03 1997-01-08 Hal Computer Systems Inc Verfahren und Vorrichtung zur schnellen Ausführung von Verzweigungsbefehlen
JP3113792B2 (ja) * 1995-04-27 2000-12-04 松下電器産業株式会社 最適化装置
JP3130446B2 (ja) * 1995-05-10 2001-01-31 松下電器産業株式会社 プログラム変換装置及びプロセッサ
GB2308470B (en) * 1995-12-22 2000-02-16 Nokia Mobile Phones Ltd Program memory scheme for processors
US5826089A (en) * 1996-01-04 1998-10-20 Advanced Micro Devices, Inc. Instruction translation unit configured to translate from a first instruction set to a second instruction set
US6105124A (en) * 1996-01-26 2000-08-15 Intel Corporation Method and apparatus for merging binary translated basic blocks of instructions
US5770894A (en) * 1996-07-10 1998-06-23 International Business Machines Corporation Parallel processing method having arithmetical conditions code based instructions substituted for conventional branches
US5951678A (en) * 1997-07-25 1999-09-14 Motorola, Inc. Method and apparatus for controlling conditional branch execution in a data processor
US6075935A (en) * 1997-12-01 2000-06-13 Improv Systems, Inc. Method of generating application specific integrated circuits using a programmable hardware architecture
US6202198B1 (en) * 1998-04-21 2001-03-13 Neoprobe Corporation Programmable integrated analog input/output circuit with distributed matching memory array
US6353880B1 (en) * 1998-07-22 2002-03-05 Scenix Semiconductor, Inc. Four stage pipeline processing for a microcontroller
US6226716B1 (en) * 1998-12-22 2001-05-01 Unisys Corporation Test driver for use in validating a circuit design

Also Published As

Publication number Publication date
US20050091478A1 (en) 2005-04-28
US20010001154A1 (en) 2001-05-10
CN100347668C (zh) 2007-11-07
EP0899653A2 (de) 1999-03-03
CN1516004A (zh) 2004-07-28
EP1645956A3 (de) 2008-02-13
EP1645956A2 (de) 2006-04-12
CN1219703A (zh) 1999-06-16
EP0899653B1 (de) 2006-10-04
CN1282920C (zh) 2006-11-01
DE69836056T2 (de) 2007-04-12
US6606703B2 (en) 2003-08-12
CN1145878C (zh) 2004-04-14
EP0899653A3 (de) 2000-12-06
CN1521618A (zh) 2004-08-18
US6230258B1 (en) 2001-05-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP