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Patent Searching and Data


Title:
A RISC PROCESSOR DEVICE AND ITS INSTRUCTION ADDRESS CONVERSION LOOKING-UP METHOD
Document Type and Number:
WIPO Patent Application WO/2009/092180
Kind Code:
A1
Abstract:
A RISC processor and its instruction address conversion looking-up method. The device comprises a decoder, which includes a look-up-table module for realizing the conversion from X86 source instruction address to MIPS target instruction address by using a look-up-table. The look-up-table module includes a looking-up submodule for indexing the look-up-table based on content, if anything is retrieved then the corresponding content is stored into a target register and if not then an entry address that fail to retrieve service program is stored into the target register; a indexing submodule for indexing the look-up-table based on content and getting index of table item in which the content resides.

Inventors:
SU MENGHAO (CN)
HU WEIWU (CN)
Application Number:
PCT/CN2008/001907
Publication Date:
July 30, 2009
Filing Date:
November 24, 2008
Export Citation:
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Assignee:
INST OF COMPUTING TECHNOLOGY O (CN)
SU MENGHAO (CN)
HU WEIWU (CN)
International Classes:
G06F12/08; G06F9/455
Foreign References:
CN101216778A2008-07-09
CN1625731A2005-06-08
US5796973A1998-08-18
Other References:
None
See also references of EP 2249252A4
Attorney, Agent or Firm:
LECOME INTELLECTUAL PROPERTY AGENT LTD. (Tower B of INDO MansionNo.48-Jia Zhichun Road, Haidian District, Beijing 8, CN)
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