Data processing device, method of executing a program and method of compiling
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 2, 2003
Grant Date -
N/A
app pub date -
May 3, 2000
filing date -
May 6, 1999
priority date (Note) -
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Abstract
A data processing device has a circuit for correcting an effect of executing memory access instructions out of order with respect to one another in a pipeline. A detector detects whether a same memory location is addressed by a first and second memory address used to access memory for a first and second memory access instruction that are processing at a predetermined relative distance in the pipeline respectively. A correction circuit modifies data handling in a pipeline stage processing the first memory access instruction when the detector signals the addressing of the same memory location and the first and/or second memory access instruction programs a command to compensate said effect of out of order execution of the first memory access instruction with respect to said second memory access instruction.
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