Semiconductor integrated circuit and computer-readable recording medium
First Claim
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1. A semiconductor integrated circuit, comprising:
- a single instruction multiple data (SIMD) unit conducting a concurrent operation for a plurality of data items;
a data buffer connectable to said SIMD unit; and
a data transfer control unit for controlling transfer of data for said data buffer, wherein said data transfer control unit controls the transfer of data for a subsequent operation to said data buffer in concurrence with the operation of said SIMD unit for the plural data items read from said data buffer.
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Abstract
A semiconductor integrated circuit includes a single instruction multiple data (SIMD) unit conducting a concurrent operation for a plurality of data items, a data buffer connectable to the SIMD unit, and a data transfer control unit for controlling transfer of data for the data buffer thereby, the data transfer control unit controls the transfer of data for a subsequent operation to the buffer in concurrence with the operation of the SIMD unit for the plural data items read from the data buffer and in concurrent with the operation of the SIMD unit, data for a subsequent operation is transferred to the data buffer.
25 Citations
17 Claims
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1. A semiconductor integrated circuit, comprising:
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a single instruction multiple data (SIMD) unit conducting a concurrent operation for a plurality of data items;
a data buffer connectable to said SIMD unit; and
a data transfer control unit for controlling transfer of data for said data buffer, wherein said data transfer control unit controls the transfer of data for a subsequent operation to said data buffer in concurrence with the operation of said SIMD unit for the plural data items read from said data buffer. - View Dependent Claims (2, 3, 4, 5)
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6. A semiconductor integrated circuit, comprising:
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a single instruction multiple data (SIMD) unit conducting a concurrent operation for a plurality of data items;
a data buffer connected via a first bus to said SIMD unit; and
a data transfer control unit connected via a second bus to said data buffer, wherein said data transfer control unit includes a bit extension unit for conducting bit extension for each of the plurality of data items transferred via said second bus to said data buffer. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A semiconductor integrated circuit, comprising:
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a single instruction multiple data (SIMD) unit conducting a concurrent operation for a plurality of data items;
a data buffer connectible to said SIMD unit;
a data transfer control unit for controlling transfer of data for said data buffer; and
a bit extension unit disposed on a data transfer path connecting said data buffer to said SIMD unit for conducting bit extension for each of the plurality of data items to said SIMD unit in a concurrent fashion.
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Specification