VLIW processor including a state register for inter-slot data transfer and extended bits operations
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United States of America Patent
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Oct 24, 2017
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N/A
app pub date -
Mar 17, 2015
filing date -
Mar 26, 2014
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Abstract
A very long instruction word (VLIW) processor that performs efficient processing including extended bits operations is provided. The VLIW processor includes an instruction control unit, a register file unit, and an instruction execution unit. The instruction execution unit includes a plurality of slots, and a state register arranged between the second slot and the third slot to transfer N-bit data between the second and third slots. The VLIW processor stores data output from the third slot into the state register and uses the data, and thus achieves efficient processing including bit-expanded operations, such as processing performed in response to instructions commonly used in image processing, image recognition, and other processing, while preventing scaling up of the circuit.
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