RU2012148587A - Команда нетранзакционное сохранение - Google Patents

Команда нетранзакционное сохранение Download PDF

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RU2012148587A
RU2012148587A RU2012148587/08A RU2012148587A RU2012148587A RU 2012148587 A RU2012148587 A RU 2012148587A RU 2012148587/08 A RU2012148587/08 A RU 2012148587/08A RU 2012148587 A RU2012148587 A RU 2012148587A RU 2012148587 A RU2012148587 A RU 2012148587A
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Ф. ГРЕЙНЕР Дан
ЯКОБИ Кристиан
Дж. СЛИДЖЛ Тимоти
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Интернэшнл Бизнес Машинз Корпорейшн
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06F9/323—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address for indirect branch instructions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/3004—Arrangements for executing specific machine instructions to perform operations on memory
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/3004—Arrangements for executing specific machine instructions to perform operations on memory
    • G06F9/30043—LOAD or STORE instructions; Clear instruction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
    • G06F9/30076—Arrangements for executing specific machine instructions to perform miscellaneous control operations, e.g. NOP
    • G06F9/30087—Synchronisation or serialisation instructions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/30189—Instruction operation extension or modification according to execution mode, e.g. mode flag
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/3824—Operand accessing
    • G06F9/3834—Maintaining memory consistency
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/3854—Instruction completion, e.g. retiring, committing or graduating
    • G06F9/3858—Result writeback, i.e. updating the architectural state or memory
    • G06F9/38585—Result writeback, i.e. updating the architectural state or memory with result invalidation, e.g. nullification
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/461—Saving or restoring of program or task context
    • G06F9/462—Saving or restoring of program or task context with multiple register sets
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/461—Saving or restoring of program or task context
    • G06F9/463—Program control block organisation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F9/46—Multiprogramming arrangements
    • G06F9/466—Transaction processing

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  • Theoretical Computer Science (AREA)
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  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Executing Machine-Instructions (AREA)
  • Debugging And Monitoring (AREA)
  • Stored Programmes (AREA)
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Abstract

1. Компьютерный программный продукт для выполнения команды внутри вычислительной среды, указанный компьютерный программный продукт содержит:считываемую компьютером запоминающую среду, считываемую обрабатывающим устройством и хранящую команды для выполнения обрабатывающим устройством для выполнения метода, содержащего:получение процессором машинной команды для выполнения, причем указанная машинная команда определяется для выполнения компьютером в соответствии с архитектурой компьютера, указанная машинная команда включает:код операции для определения нетранзакционной операции сохранения;первый операнд ивторой операнд для указания позиции для первого операнда; ивыполнение процессором машинной команды, причем указанное выполнение включает:нетранзакционное размещение первого операнда в позиции, указанной вторым операндом, причем информация, хранящаяся во втором операнде, остается, несмотря на сброс транзакции, связанной с машинной командой, и в котором нетранзакционное размещение удерживается до окончания режима транзакционного выполнения процессора.2. Компьютерный программный продукт по п.1, в котором окончание режима транзакционного выполнения происходит в результате окончания наиболее внешней транзакции, связанной с указанной машинной командой, или ситуации сброса.3. Компьютерный программный продукт по п.1, в котором несколько нетранзакционных сохранений представляются для других процессоров как параллельные сохранения.4. Компьютерный программный продукт по п.1, в котором указанный метод дополнительно включает:определение того, находится ли процессор в режиме транзакционного выполнен

Claims (20)

1. Компьютерный программный продукт для выполнения команды внутри вычислительной среды, указанный компьютерный программный продукт содержит:
считываемую компьютером запоминающую среду, считываемую обрабатывающим устройством и хранящую команды для выполнения обрабатывающим устройством для выполнения метода, содержащего:
получение процессором машинной команды для выполнения, причем указанная машинная команда определяется для выполнения компьютером в соответствии с архитектурой компьютера, указанная машинная команда включает:
код операции для определения нетранзакционной операции сохранения;
первый операнд и
второй операнд для указания позиции для первого операнда; и
выполнение процессором машинной команды, причем указанное выполнение включает:
нетранзакционное размещение первого операнда в позиции, указанной вторым операндом, причем информация, хранящаяся во втором операнде, остается, несмотря на сброс транзакции, связанной с машинной командой, и в котором нетранзакционное размещение удерживается до окончания режима транзакционного выполнения процессора.
2. Компьютерный программный продукт по п.1, в котором окончание режима транзакционного выполнения происходит в результате окончания наиболее внешней транзакции, связанной с указанной машинной командой, или ситуации сброса.
3. Компьютерный программный продукт по п.1, в котором несколько нетранзакционных сохранений представляются для других процессоров как параллельные сохранения.
4. Компьютерный программный продукт по п.1, в котором указанный метод дополнительно включает:
определение того, находится ли процессор в режиме транзакционного выполнения;
определение, основанное на том, что процессор находится в режиме транзакционного выполнения, является ли транзакция вынужденной транзакцией или невынужденной транзакцией; и
продолжение выполнения машинной команды, основанное на том, что транзакция является невынужденной транзакцией.
5. Компьютерный программный продукт по п.4, в котором, основываясь на том, что транзакция является вынужденной транзакцией, обеспечивается программное исключение и завершение выполнения машинной команды.
6. Компьютерный программный продукт по п.4, в котором, основываясь на том, что процессор не находится в режиме транзакционного выполнения, выполняется машинная команда как команда сохранения.
7. Компьютерный программный продукт по п.1, в котором второй операнд формируется из комбинации содержимого регистра, указанного индексным полем машинной команды, содержимого регистра, указанного базовым полем машинной команды, и содержимого по меньшей мере одного поля смещения.
8. Компьютерный программный продукт по п.1, в котором указанная машинная команда включает команду нетранзакционного сохранения и в котором метод дополнительно включает:
инициирование транзакции, основанное на выполнении команды начала транзакции, указанная транзакция эффективно задерживает фиксацию транзакционных сохранений в главной памяти до тех пор, пока не завершится выбранная транзакция;
фиксацию указанных транзакционных сохранений в главной памяти, основанную на выполнении команды конца транзакции, которая завершает выполнение указанной выбранной транзакции;
отбрасывание указанных транзакционных сохранений, основанное на сбросе, который завершает выполнение указанной выбранной транзакции; и
в котором указанное нетранзакционное размещение осуществляется независимо от фиксации или отбрасывания.
9. Компьютерный программный продукт по п.1, в котором первый операнд включает содержимое регистра, указанного машинной командой, причем содержимое задается пользователем.
10. Компьютерный программный продукт по п.1, в котором транзакция является невынужденной транзакцией во вложении невынужденных транзакций.
11. Компьютерная система для выполнения команды внутри вычислительной среды, указанная компьютерная система содержит:
память; и
процессор, сообщающийся с памятью, причем компьютерная система настроена для осуществления метода, причем указанный метод содержит:
получение процессором машинной команды для выполнения, причем указанная машинная команда определяется для выполнения компьютером в соответствии с архитектурой компьютера, указанная машинная команда включает:
код операции для определения нетранзакционной операции сохранения;
первый операнд и
второй операнд для указания позиции для первого операнда; и
выполнение процессором машинной команды, причем указанное выполнение включает:
нетранзакционное размещение первого операнда в позиции, указанной вторым операндом, причем информация, хранящаяся во втором операнде, остается, несмотря на сброс транзакции, связанной с машинной командой, и в котором нетранзакционное размещение удерживается до окончания режима транзакционного выполнения процессора.
12. Компьютерная система по п.11, в которой несколько нетранзакционных сохранений представляются для других процессоров как параллельные сохранения.
13. Компьютерная система по п.11, в которой указанный метод дополнительно включает:
определение того, находится ли процессор в режиме транзакционного выполнения;
определение, основанное на том, что процессор находится в режиме транзакционного выполнения, является ли транзакция вынужденной транзакцией или невынужденной транзакцией; и
продолжение выполнения машинной команды, основанное на том, что транзакция является невынужденной транзакцией.
14. Компьютерная система по п.13, в которой, основываясь на том, что транзакция является вынужденной транзакцией, обеспечивается программное исключение и завершение выполнения машинной команды.
15. Компьютерная система по п.13, в которой, основываясь на том, что процессор не находится в режиме транзакционного выполнения, выполняется машинная команда как команда сохранения.
16. Компьютерная система по п.11, в которой первый операнд включает содержимое регистра, указанного машинной командой, причем содержимое задается пользователем, и второй операнд формируется из комбинации содержимого регистра, указанного индексным полем машинной команды, содержимого регистра, указанного базовым полем машинной команды, и содержимого по меньшей мере одного поля смещения.
17. Компьютерная система по п.11, в которой транзакция является невынужденной транзакцией во вложении невынужденных транзакций.
18. Метод выполнения команды внутри вычислительной среды, причем указанный метод включает:
получение процессором машинной команды для выполнения, причем указанная машинная команда определяется для выполнения компьютером в соответствии с архитектурой компьютера, указанная машинная команда включает:
код операции для определения нетранзакционной операции сохранения;
первый операнд и
второй операнд для указания позиции для первого операнда;и
выполнение процессором машинной команды, причем указанное выполнение включает:
нетранзакционное размещение первого операнда в позиции, указанной вторым операндом, причем информация, хранящаяся во втором операнде, остается, несмотря на сброс транзакции, связанной с машинной командой, и в котором нетранзакционное размещение удерживается до окончания режима транзакционного выполнения процессора.
19. Метод по п.18, в котором несколько нетранзакционных сохранений представляются для других процессоров как параллельные сохранения.
20. Метод по п.18, который дополнительно включает:
определение того, находится ли процессор в режиме транзакционного выполнения;
определение, основанное на том, что процессор находится в режиме транзакционного выполнения, является ли транзакция вынужденной транзакцией или невынужденной транзакцией; и
продолжение выполнения машинной команды, основанное на том, что транзакция является невынужденной транзакцией.
RU2012148587/08A 2012-06-15 2012-11-15 Команда на нетранзакционное сохранение RU2568324C2 (ru)

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US13/524,887 US20130339680A1 (en) 2012-06-15 2012-06-15 Nontransactional store instruction

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KR (1) KR101625322B1 (ru)
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