Providing load address predictions using address prediction tables based on load path history in processor-based systems
Aspects disclosed in the detailed description include providing load address predictions using address prediction tables based on load path history in processor-based systems. In one aspect, a load address prediction engine provides a load address prediction table containing multiple load address pr...
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| creator | Damodaran, Raguram Al Sheikh, Rami Mohammad |
| description | Aspects disclosed in the detailed description include providing load address predictions using address prediction tables based on load path history in processor-based systems. In one aspect, a load address prediction engine provides a load address prediction table containing multiple load address prediction table entries. Each load address prediction table entry includes a predictor tag field and a memory address field for a load instruction. The load address prediction engine generates a table index and a predictor tag based on an identifier and a load path history for a detected load instruction. The table index is used to look up a corresponding load address prediction table entry. If the predictor tag matches the predictor tag field of the load address prediction table entry corresponding to the table index, the memory address field of the load address prediction table entry is provided as a predicted memory address for the load instruction. |
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In one aspect, a load address prediction engine provides a load address prediction table containing multiple load address prediction table entries. Each load address prediction table entry includes a predictor tag field and a memory address field for a load instruction. The load address prediction engine generates a table index and a predictor tag based on an identifier and a load path history for a detected load instruction. The table index is used to look up a corresponding load address prediction table entry. 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In one aspect, a load address prediction engine provides a load address prediction table containing multiple load address prediction table entries. Each load address prediction table entry includes a predictor tag field and a memory address field for a load instruction. The load address prediction engine generates a table index and a predictor tag based on an identifier and a load path history for a detected load instruction. The table index is used to look up a corresponding load address prediction table entry. If the predictor tag matches the predictor tag field of the load address prediction table entry corresponding to the table index, the memory address field of the load address prediction table entry is provided as a predicted memory address for the load instruction.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Providing load address predictions using address prediction tables based on load path history in processor-based systems |
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