BRPI0807405A2 - Esvaziamento de encadeamento segmentado para ramificações preditas erroneamente - Google Patents

Esvaziamento de encadeamento segmentado para ramificações preditas erroneamente Download PDF

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Publication number
BRPI0807405A2
BRPI0807405A2 BRPI0807405-4A BRPI0807405A BRPI0807405A2 BR PI0807405 A2 BRPI0807405 A2 BR PI0807405A2 BR PI0807405 A BRPI0807405 A BR PI0807405A BR PI0807405 A2 BRPI0807405 A2 BR PI0807405A2
Authority
BR
Brazil
Prior art keywords
instructions
thread
instruction
branch
emptying
Prior art date
Application number
BRPI0807405-4A
Other languages
English (en)
Portuguese (pt)
Inventor
Michael Scott Mcilvaine
James Norris Dieffenderfer
Thomas Andrew Sartorius
Rodney Wayne Smith
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BRPI0807405A2 publication Critical patent/BRPI0807405A2/pt

Links

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
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3836—Instruction issuing, e.g. dynamic instruction scheduling or out of order instruction execution
    • G06F9/3838—Dependency mechanisms, e.g. register scoreboarding
    • G06F9/384—Register renaming
    • 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
    • G06F9/3842—Speculative 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
    • G06F9/3861—Recovery, e.g. branch miss-prediction, exception handling
    • G06F9/3863—Recovery, e.g. branch miss-prediction, exception handling using multiple copies of the architectural state, e.g. shadow registers
    • 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
    • G06F9/3867—Concurrent instruction execution, e.g. pipeline or look ahead using instruction pipelines

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Advance Control (AREA)
BRPI0807405-4A 2007-01-24 2008-01-24 Esvaziamento de encadeamento segmentado para ramificações preditas erroneamente BRPI0807405A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/626,443 US7624254B2 (en) 2007-01-24 2007-01-24 Segmented pipeline flushing for mispredicted branches
US11/626,443 2007-01-24
PCT/US2008/051966 WO2008092045A1 (en) 2007-01-24 2008-01-24 Segmented pipeline flushing for mispredicted branches

Publications (1)

Publication Number Publication Date
BRPI0807405A2 true BRPI0807405A2 (pt) 2014-07-08

Family

ID=39327442

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0807405-4A BRPI0807405A2 (pt) 2007-01-24 2008-01-24 Esvaziamento de encadeamento segmentado para ramificações preditas erroneamente

Country Status (10)

Country Link
US (1) US7624254B2 (https=)
EP (1) EP2115572B1 (https=)
JP (4) JP2010517183A (https=)
KR (1) KR101107812B1 (https=)
CN (1) CN101601009B (https=)
BR (1) BRPI0807405A2 (https=)
CA (1) CA2674720C (https=)
MX (1) MX2009007949A (https=)
RU (1) RU2427889C2 (https=)
WO (1) WO2008092045A1 (https=)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7624254B2 (en) * 2007-01-24 2009-11-24 Qualcomm Incorporated Segmented pipeline flushing for mispredicted branches
US9384003B2 (en) * 2007-10-23 2016-07-05 Texas Instruments Incorporated Determining whether a branch instruction is predicted based on a capture range of a second instruction
US7877586B2 (en) * 2008-02-01 2011-01-25 International Business Machines Corporation Branch target address cache selectively applying a delayed hit
US8099586B2 (en) * 2008-12-30 2012-01-17 Oracle America, Inc. Branch misprediction recovery mechanism for microprocessors
US20110320787A1 (en) * 2010-06-28 2011-12-29 Qualcomm Incorporated Indirect Branch Hint
CA2801382C (en) 2010-06-29 2018-12-18 Exxonmobil Upstream Research Company Method and system for parallel simulation models
US8862861B2 (en) 2011-05-13 2014-10-14 Oracle International Corporation Suppressing branch prediction information update by branch instructions in incorrect speculative execution path
US8886920B2 (en) 2011-05-13 2014-11-11 Oracle International Corporation Associating tag to branch instruction to access array storing predicted target addresses for page crossing targets for comparison with resolved address at execution stage
CN102360282A (zh) * 2011-09-26 2012-02-22 杭州中天微系统有限公司 快速处置分支指令预测错误的流水线处理器装置
EP2786905B1 (en) 2011-11-29 2018-10-31 TS Tech Co., Ltd. Mounting member, and airbag module-equipped seat
US9268569B2 (en) * 2012-02-24 2016-02-23 Apple Inc. Branch misprediction behavior suppression on zero predicate branch mispredict
CN105164637B (zh) * 2013-05-30 2017-12-19 英特尔公司 用于执行循环的方法、系统、装置和处理器以及机器可读介质
US9792252B2 (en) 2013-05-31 2017-10-17 Microsoft Technology Licensing, Llc Incorporating a spatial array into one or more programmable processor cores
US10409606B2 (en) 2015-06-26 2019-09-10 Microsoft Technology Licensing, Llc Verifying branch targets
US10191747B2 (en) 2015-06-26 2019-01-29 Microsoft Technology Licensing, Llc Locking operand values for groups of instructions executed atomically
US9946548B2 (en) 2015-06-26 2018-04-17 Microsoft Technology Licensing, Llc Age-based management of instruction blocks in a processor instruction window
US10409599B2 (en) 2015-06-26 2019-09-10 Microsoft Technology Licensing, Llc Decoding information about a group of instructions including a size of the group of instructions
US10175988B2 (en) 2015-06-26 2019-01-08 Microsoft Technology Licensing, Llc Explicit instruction scheduler state information for a processor
US9952867B2 (en) 2015-06-26 2018-04-24 Microsoft Technology Licensing, Llc Mapping instruction blocks based on block size
US9720693B2 (en) 2015-06-26 2017-08-01 Microsoft Technology Licensing, Llc Bulk allocation of instruction blocks to a processor instruction window
US10169044B2 (en) 2015-06-26 2019-01-01 Microsoft Technology Licensing, Llc Processing an encoding format field to interpret header information regarding a group of instructions
US10346168B2 (en) 2015-06-26 2019-07-09 Microsoft Technology Licensing, Llc Decoupled processor instruction window and operand buffer
US10255074B2 (en) 2015-09-11 2019-04-09 Qualcomm Incorporated Selective flushing of instructions in an instruction pipeline in a processor back to an execution-resolved target address, in response to a precise interrupt
CN121300858A (zh) * 2025-09-02 2026-01-09 北京微核芯科技有限公司 分支指令预测方法、装置和设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1300471A1 (ru) * 1985-11-01 1987-03-30 Предприятие П/Я Г-4677 Устройство дл выполнени условных переходов в конвейерном процессоре
US5694564A (en) * 1993-01-04 1997-12-02 Motorola, Inc. Data processing system a method for performing register renaming having back-up capability
EP0649086B1 (en) 1993-10-18 2000-07-19 National Semiconductor Corporation Microprocessor with speculative execution
ES2138051T3 (es) * 1994-01-03 2000-01-01 Intel Corp Metodo y aparato para la realizacion de un sistema de resolucion de bifurcaciones en cuatro etapas en un procesador informatico.
US5627985A (en) * 1994-01-04 1997-05-06 Intel Corporation Speculative and committed resource files in an out-of-order processor
US5586278A (en) * 1994-03-01 1996-12-17 Intel Corporation Method and apparatus for state recovery following branch misprediction in an out-of-order microprocessor
US7496734B1 (en) * 2000-04-28 2009-02-24 Stmicroelectronics, Inc. System and method for handling register dependency in a stack-based pipelined processor
JP3667703B2 (ja) * 2002-03-18 2005-07-06 エヌイーシーコンピュータテクノ株式会社 エラー訂正制御回路
US7152155B2 (en) * 2005-02-18 2006-12-19 Qualcomm Incorporated System and method of correcting a branch misprediction
US7624254B2 (en) * 2007-01-24 2009-11-24 Qualcomm Incorporated Segmented pipeline flushing for mispredicted branches

Also Published As

Publication number Publication date
US20080177992A1 (en) 2008-07-24
JP6370829B2 (ja) 2018-08-08
WO2008092045A1 (en) 2008-07-31
JP6208084B2 (ja) 2017-10-04
CA2674720A1 (en) 2008-07-31
CN101601009A (zh) 2009-12-09
JP2016167284A (ja) 2016-09-15
CA2674720C (en) 2015-02-03
KR101107812B1 (ko) 2012-01-25
MX2009007949A (es) 2009-08-07
JP2014211881A (ja) 2014-11-13
US7624254B2 (en) 2009-11-24
JP2012230687A (ja) 2012-11-22
RU2427889C2 (ru) 2011-08-27
EP2115572B1 (en) 2015-03-11
RU2009131712A (ru) 2011-02-27
CN101601009B (zh) 2015-09-16
JP5866259B2 (ja) 2016-02-17
KR20090102871A (ko) 2009-09-30
EP2115572A1 (en) 2009-11-11
JP2010517183A (ja) 2010-05-20

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B11T Dismissal of application maintained [chapter 11.20 patent gazette]