JP2001209538A5 - - Google Patents

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Publication number
JP2001209538A5
JP2001209538A5 JP2001002040A JP2001002040A JP2001209538A5 JP 2001209538 A5 JP2001209538 A5 JP 2001209538A5 JP 2001002040 A JP2001002040 A JP 2001002040A JP 2001002040 A JP2001002040 A JP 2001002040A JP 2001209538 A5 JP2001209538 A5 JP 2001209538A5
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JP
Japan
Prior art keywords
register identifier
decoding
attribute data
register
instruction
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.)
Granted
Application number
JP2001002040A
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English (en)
Japanese (ja)
Other versions
JP2001209538A (ja
JP3756411B2 (ja
Filing date
Publication date
Priority claimed from US09/490,389 external-priority patent/US6604192B1/en
Application filed filed Critical
Publication of JP2001209538A publication Critical patent/JP2001209538A/ja
Publication of JP2001209538A5 publication Critical patent/JP2001209538A5/ja
Application granted granted Critical
Publication of JP3756411B2 publication Critical patent/JP3756411B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2001002040A 2000-01-24 2001-01-10 データハザードを検出するシステム Expired - Fee Related JP3756411B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/490389 2000-01-24
US09/490,389 US6604192B1 (en) 2000-01-24 2000-01-24 System and method for utilizing instruction attributes to detect data hazards

Publications (3)

Publication Number Publication Date
JP2001209538A JP2001209538A (ja) 2001-08-03
JP2001209538A5 true JP2001209538A5 (enExample) 2005-06-02
JP3756411B2 JP3756411B2 (ja) 2006-03-15

Family

ID=23947830

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001002040A Expired - Fee Related JP3756411B2 (ja) 2000-01-24 2001-01-10 データハザードを検出するシステム

Country Status (2)

Country Link
US (1) US6604192B1 (enExample)
JP (1) JP3756411B2 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7555634B1 (en) * 2004-04-22 2009-06-30 Sun Microsystems, Inc. Multiple data hazards detection and resolution unit
US20060200654A1 (en) * 2005-03-04 2006-09-07 Dieffenderfer James N Stop waiting for source operand when conditional instruction will not execute
US7454598B2 (en) * 2005-05-16 2008-11-18 Infineon Technologies Ag Controlling out of order execution pipelines issue tagging
US9710269B2 (en) * 2006-01-20 2017-07-18 Qualcomm Incorporated Early conditional selection of an operand
US20090055636A1 (en) * 2007-08-22 2009-02-26 Heisig Stephen J Method for generating and applying a model to predict hardware performance hazards in a machine instruction sequence
US8205057B2 (en) * 2009-06-30 2012-06-19 Texas Instruments Incorporated Method and system for integrated pipeline write hazard handling using memory attributes
US9600280B2 (en) * 2013-09-24 2017-03-21 Apple Inc. Hazard check instructions for enhanced predicate vector operations
US9928069B2 (en) 2013-12-20 2018-03-27 Apple Inc. Predicated vector hazard check instruction

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE32493E (en) * 1980-05-19 1987-09-01 Hitachi, Ltd. Data processing unit with pipelined operands
US6073231A (en) * 1993-10-18 2000-06-06 Via-Cyrix, Inc. Pipelined processor with microcontrol of register translation hardware
US5471598A (en) * 1993-10-18 1995-11-28 Cyrix Corporation Data dependency detection and handling in a microprocessor with write buffer
US5765035A (en) * 1995-11-20 1998-06-09 Advanced Micro Devices, Inc. Recorder buffer capable of detecting dependencies between accesses to a pair of caches
US5860017A (en) 1996-06-28 1999-01-12 Intel Corporation Processor and method for speculatively executing instructions from multiple instruction streams indicated by a branch instruction
US5859999A (en) 1996-10-03 1999-01-12 Idea Corporation System for restoring predicate registers via a mask having at least a single bit corresponding to a plurality of registers
US6304955B1 (en) * 1998-12-30 2001-10-16 Intel Corporation Method and apparatus for performing latency based hazard detection
US6219781B1 (en) * 1998-12-30 2001-04-17 Intel Corporation Method and apparatus for performing register hazard detection
US6115808A (en) * 1998-12-30 2000-09-05 Intel Corporation Method and apparatus for performing predicate hazard detection
US6438681B1 (en) * 2000-01-24 2002-08-20 Hewlett-Packard Company Detection of data hazards between instructions by decoding register indentifiers in each stage of processing system pipeline and comparing asserted bits in the decoded register indentifiers

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