| Title of Invention | A METHOD OF PIPELINE OPERATION FOR EARLY CONDITIONAL SELECTION OF AN OPERAND AND A PIPELINED PROCESSOR THEREOF |
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| Abstract | Delays due to waiting for operands that will not be used by a select operand instruction, are alleviated based on an early recognition that such operand data is not required in order to complete the processing of the select operand instruction. At appropriate points prior to execution, determinations are made regarding a selection criterion or criteria specified by the select operand instruction, conditions that affect the selection criteria, and the availability of operands. A hold circuit uses the determinations to control the activation and release of a hold signal that controls processor pipeline stalls. A stall required to wait for operand data is skipped or a stall is terminated early, if the selected operand is available even though the other operand, that will not be used, is not available. A stall due to waiting for operands is maintained until the selection criteria is met and the selected operand is fetched and made available. |
| Full Text | PLEASE SEE THE SPECIFICATION ATTACHED. |
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| Patent Number | 259250 | |||||||||||||||
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| Indian Patent Application Number | 1308/MUMNP/2008 | |||||||||||||||
| PG Journal Number | 10/2014 | |||||||||||||||
| Publication Date | 07-Mar-2014 | |||||||||||||||
| Grant Date | 04-Mar-2014 | |||||||||||||||
| Date of Filing | 24-Jun-2008 | |||||||||||||||
| Name of Patentee | QUALCOMM INCORPORATED | |||||||||||||||
| Applicant Address | 5775 MOREHOUSE DRIVE, SAN DIEGO, CALIFORNIA 92121-1714, | |||||||||||||||
Inventors:
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| PCT International Classification Number | G06F9/30 | |||||||||||||||
| PCT International Application Number | PCT/US2007/060814 | |||||||||||||||
| PCT International Filing date | 2007-01-22 | |||||||||||||||
PCT Conventions:
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