Allocating rename register from separate register sets for each result data of multiple data processing instruction
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United States of America Patent
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May 7, 2013
Grant Date -
Feb 10, 2011
app pub date -
Aug 2, 2010
filing date -
Aug 4, 2009
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Multiple data processing instructions instruct a computing device to process multiple data including first data and second data. When a multiple data processing instruction is decoded, two allocatable registers are selected. One is used to store the result of a processing operation performed on first data by one processing unit, and the other is used to store the result of a processing operation performed on second data by another processing unit. Those stored processing results are then transferred to result registers. Normal data processing instructions, on the other hand, instruct a processing operation on third data. When a normal data processing instruction is decoded, one allocatable register is selected and used to store the result of processing that a processing unit performs on the third data. The stored processing result is then transferred to a result register.
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