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RU2015109474A - Код векторного исключения - Google Patents

Код векторного исключения Download PDF

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Publication number
RU2015109474A
RU2015109474A RU2015109474A RU2015109474A RU2015109474A RU 2015109474 A RU2015109474 A RU 2015109474A RU 2015109474 A RU2015109474 A RU 2015109474A RU 2015109474 A RU2015109474 A RU 2015109474A RU 2015109474 A RU2015109474 A RU 2015109474A
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RU
Russia
Prior art keywords
exception
vector
code
led
vector register
Prior art date
Application number
RU2015109474A
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English (en)
Inventor
Джонатан Дейвид БРЭДБЕРИ
Эрик Марк ШВАРЦ
Тимоти СЛЕДЖЕЛ
Майкл Карл ГШВИНД
Original Assignee
Интернэшнл Бизнес Машинз Корпорейшн
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.)
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Application filed by Интернэшнл Бизнес Машинз Корпорейшн filed Critical Интернэшнл Бизнес Машинз Корпорейшн
Publication of RU2015109474A publication Critical patent/RU2015109474A/ru

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Classifications

    • 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
    • G06F9/30036—Instructions to perform operations on packed data, e.g. vector, tile or matrix operations
    • 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
    • G06F9/30036—Instructions to perform operations on packed data, e.g. vector, tile or matrix operations
    • G06F9/30038—Instructions to perform operations on packed data, e.g. vector, tile or matrix operations using a mask
    • 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
    • G06F9/30098—Register arrangements
    • 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
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3861—Recovery, e.g. branch miss-prediction, exception handling

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Complex Calculations (AREA)
  • Advance Control (AREA)
  • Executing Machine-Instructions (AREA)

Claims (15)

1. Способ улучшения обработки исключений, включающий
определение процессором того, что исполнение команды в вычислительной среде привело к возникновению исключения, причем указанная команда содержит по меньшей мере одну операцию типа "одиночный поток команд, множественный поток данных" (SIMD) и должна действовать на векторный регистр, содержащий набор элементов; и
получение, на основе указанного исключения, кода векторного исключения, содержащего позицию в векторном регистре того элемента из набора элементов векторного регистра, который привел к возникновению исключения.
2. Способ по п. 1, в котором позиция содержит индекс в векторном регистре, соответствующий элементу, который привел к возникновению исключения.
3. Способ по п. 1, в котором позиция содержит элемент с наименьшим индексом в векторном регистре, приведший к возникновению исключения.
4. Способ по п. 1, в котором получение кода векторного исключения основано на том, что указанное исключение привело к возникновению прерывания.
5. Способ по п. 1, в котором код векторного исключения содержит первую часть для указания позиции и вторую часть для указания кода векторного прерывания.
6. Способ по п. 5, в котором позиция содержит элемент с наименьшим индексом в векторном регистре, который привел к возникновению исключения.
7. Способ по п. 5, в котором код векторного прерывания содержит значение, предназначенное для указания недопустимой операции, деления на ноль, переполнения, нехватки разряда или неточного результата.
8. Способ по п. 1, который также включает определение того, какой элемент или элементы векторного регистра привели к возникновению исключения, и на основе указанного определения того, какой элемент или элементы векторного регистра привели к возникновению исключения, получение позиции для включения в код векторного исключения.
9. Способ по п. 8, в котором указанное получение позиции включает определение элемента с наименьшим индексом из одного или нескольких элементов, которые привели к возникновению исключения, и использование индекса указанного элемента с наименьшим индексом в качестве позиции.
10. Способ по п. 1, который также включает помещение кода векторного исключения в поле кода исключения данных управляющего регистра операций с плавающей запятой.
11. Способ по п. 1, в котором длина элемента указывается в поле команды.
12. Система, содержащая средства, приспособленные для выполнения всех шагов способа по любому из пп. 1-11.
13. Компьютерная программа, содержащая команды для выполнения всех шагов способа по любому из пп. 1-11 при ее исполнении в компьютерной системе.
RU2015109474A 2013-01-23 2013-12-06 Код векторного исключения RU2015109474A (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/748,504 2013-01-23
US13/748,504 US9715385B2 (en) 2013-01-23 2013-01-23 Vector exception code
PCT/IB2013/060697 WO2014115002A1 (en) 2013-01-23 2013-12-06 Vector exception code

Publications (1)

Publication Number Publication Date
RU2015109474A true RU2015109474A (ru) 2017-03-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2015109474A RU2015109474A (ru) 2013-01-23 2013-12-06 Код векторного исключения

Country Status (14)

Country Link
US (2) US9715385B2 (ru)
EP (1) EP2948870A4 (ru)
JP (2) JP6788347B2 (ru)
KR (1) KR101740841B1 (ru)
CN (1) CN104956364B (ru)
AU (1) AU2013375140B2 (ru)
BR (1) BR112015017663A2 (ru)
CA (1) CA2895653C (ru)
IL (1) IL240105B (ru)
MX (1) MX340052B (ru)
RU (1) RU2015109474A (ru)
SG (1) SG11201503786QA (ru)
TW (1) TWI584190B (ru)
WO (1) WO2014115002A1 (ru)

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