HK1066290A1 - Method and apparatus for performing lazy byteswapping optimizations during program code conversion. - Google Patents

Method and apparatus for performing lazy byteswapping optimizations during program code conversion.

Info

Publication number
HK1066290A1
HK1066290A1 HK04109073A HK04109073A HK1066290A1 HK 1066290 A1 HK1066290 A1 HK 1066290A1 HK 04109073 A HK04109073 A HK 04109073A HK 04109073 A HK04109073 A HK 04109073A HK 1066290 A1 HK1066290 A1 HK 1066290A1
Authority
HK
Hong Kong
Prior art keywords
program code
code conversion
during program
optimizations during
lazy byteswapping
Prior art date
Application number
HK04109073A
Inventor
William Owen Lovett
Alex Brown
Gavin Barraclough
Original Assignee
Transitive 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 GBGB0309056.0A external-priority patent/GB0309056D0/en
Application filed by Transitive Ltd filed Critical Transitive Ltd
Publication of HK1066290A1 publication Critical patent/HK1066290A1/en

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
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
    • G06F9/45504—Abstract machines for programme code execution, e.g. Java virtual machine [JVM], interpreters, emulators
    • G06F9/45516—Runtime code conversion or optimisation
    • 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
    • G06F8/443—Optimisation
    • G06F8/4434—Reducing the memory space required by the program code
    • G06F8/4435—Detection or removal of dead or redundant 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
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • 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
    • G06F9/3854—Instruction completion, e.g. retiring, committing or graduating
    • G06F9/3858—Result writeback, i.e. updating the architectural state or memory

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Executing Special Programs (AREA)
HK04109073A 2003-04-22 2004-11-17 Method and apparatus for performing lazy byteswapping optimizations during program code conversion. HK1066290A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0309056.0A GB0309056D0 (en) 2003-04-22 2003-04-22 Block translation optimizations for program code conversion
GBGB0315164.4A GB0315164D0 (en) 2003-04-22 2003-06-30 Block translation optimizations for program code conversion

Publications (1)

Publication Number Publication Date
HK1066290A1 true HK1066290A1 (en) 2005-03-18

Family

ID=29252470

Family Applications (2)

Application Number Title Priority Date Filing Date
HK04109077A HK1066292A1 (en) 2003-04-22 2004-11-17 Method and apparatus for performing interpreter optimizations during program code conversion.
HK04109073A HK1066290A1 (en) 2003-04-22 2004-11-17 Method and apparatus for performing lazy byteswapping optimizations during program code conversion.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
HK04109077A HK1066292A1 (en) 2003-04-22 2004-11-17 Method and apparatus for performing interpreter optimizations during program code conversion.

Country Status (2)

Country Link
GB (3) GB2400937B (en)
HK (2) HK1066292A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0316532D0 (en) * 2003-07-15 2003-08-20 Transitive Ltd Method and apparatus for partitioning code in program code conversion
US7934204B2 (en) 2003-07-15 2011-04-26 International Business Machines Corporation Partitioning code in program code conversion
EP1752874A1 (en) 2005-07-19 2007-02-14 Alcatel Adaptive evolutionary computer software product

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5507030A (en) * 1991-03-07 1996-04-09 Digitial Equipment Corporation Successive translation, execution and interpretation of computer program having code at unknown locations due to execution transfer instructions having computed destination addresses
US5999737A (en) * 1994-03-01 1999-12-07 Digital Equipment Corporation Link time optimization via dead code elimination, code motion, code partitioning, code grouping, loop analysis with code motion, loop invariant analysis and active variable to register analysis
US5970236A (en) * 1995-11-14 1999-10-19 Compaq Computer Corporation Circuit for selectively performing data format conversion
WO1997044739A1 (en) * 1996-05-23 1997-11-27 Advanced Micro Devices, Inc. Apparatus for converting data between different endian formats and system and method employing same
US6880152B1 (en) * 1999-10-13 2005-04-12 Transmeta Corporation Method of determining a mode of code generation
US6484188B1 (en) * 1999-12-30 2002-11-19 Intel Corporation Optimization of garbage collection code in the context of raw native interface function calls in the java programming language
GB2367652B (en) * 2000-10-05 2004-08-11 Advanced Risc Mach Ltd Scheduling control within a system having mixed hardware and software based instruction execution

Also Published As

Publication number Publication date
GB2400939A (en) 2004-10-27
GB0320718D0 (en) 2003-10-08
GB2400939B (en) 2005-11-16
HK1066292A1 (en) 2005-03-18
GB0320716D0 (en) 2003-10-08
GB2400938A (en) 2004-10-27
GB2400937A (en) 2004-10-27
GB0322323D0 (en) 2003-10-22
GB2400937B (en) 2005-05-18
GB2400938B (en) 2005-07-06

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Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20230903