Vector processing device using address data and mask information to generate signal that indicates which addresses are to be accessed from the main memory
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United States of America Patent
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Apr 23, 1996
Grant Date -
N/A
app pub date -
Jun 18, 1993
filing date -
Jun 18, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A vector processing device of the present invention comprises a vector processor provided with more than one vector register, operation means for vector operations and a vector control register to store the mask information indicating the effectiveness of the vector data, a storage to store the vector data and a storage controller to control access to the storage. The storage controller has an access control means to select address data for access to the storage stored in the vector register from the address information registration means according to the mask information and a load data storage means to temporarily hold the data obtained by access to the storage using the selected address data and a load data expansion means which uses the held data to expand the load data according to the mask information stored in the mask registration means and stores such data to the vector register.
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