PPCAnalyst: Reduce number of iterations in ReorderInstructionsCore #11916
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We can utilize the fact that if swapping two instructions causes another swap to become possible, that swap involves one of the two instructions we just swapped. There's need to search for new swap opportunities as far back as the beginning of the block; we can just go one step back.
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Makes sense to me. |
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We can utilize the fact that if swapping two instructions causes another swap to become possible, that swap involves one of the two instructions we just swapped. There's need to search for new swap opportunities as far back as the beginning of the block; we can just go one step back.