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Dev btb rebase#308

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jensen-yan wants to merge 7 commits intoxs-devOpenXiangShan/GEM5:xs-devfrom dev-btb-rebaseOpenXiangShan/GEM5:dev-btb-rebaseCopy head branch name to clipboard

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Commits on Feb 28, 2025

• btb-pred: add multi-way btb pred with ras and tage, other predictors to be added

  

  Lingrui98

  authored and

  jensen-yan

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  019404c

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• btb-pred: add ittage support

  

  Lingrui98

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  jensen-yan

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  3ca0cef

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• btb-pred: should not match when global history differs

  

  Lingrui98

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  jensen-yan

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  548747a

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• btb-pred: fix btbEntriesWithDifferentStart

  

  Lingrui98

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  jensen-yan

  committed
  5611a7f

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• btb-pred: use btb entries to decide whether pred hit when update

  

  Lingrui98

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  jensen-yan

  committed
  5bc1a62

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• pred: add btb-db

  

  Lingrui98

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  jensen-yan

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  1d1c79d

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• util: support --bp-type=DecoupledBPUWithBTB in xiangshan.py

  jensen-yan

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  7ee27fe

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