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Diffstat (limited to 'src/cpu/pred/BranchPredictor.py')
| -rw-r--r-- | src/cpu/pred/BranchPredictor.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/cpu/pred/BranchPredictor.py b/src/cpu/pred/BranchPredictor.py index 2d7d0d0e2..1b400c2b7 100644 --- a/src/cpu/pred/BranchPredictor.py +++ b/src/cpu/pred/BranchPredictor.py @@ -86,3 +86,19 @@ class BiModeBP(BranchPredictor): choicePredictorSize = Param.Unsigned(8192, "Size of choice predictor") choiceCtrBits = Param.Unsigned(2, "Bits of choice counters") +class LTAGE(BranchPredictor): + type = 'LTAGE' + cxx_class = 'LTAGE' + cxx_header = "cpu/pred/ltage.hh" + + logSizeBiMP = Param.Unsigned(14, "Log size of Bimodal predictor in bits") + logSizeTagTables = Param.Unsigned(11, "Log size of tag table in LTAGE") + logSizeLoopPred = Param.Unsigned(8, "Log size of the loop predictor") + nHistoryTables = Param.Unsigned(12, "Number of history tables") + tagTableCounterBits = Param.Unsigned(3, "Number of tag table counter bits") + histBufferSize = Param.Unsigned(2097152, + "A large number to track all branch histories(2MEntries default)") + minHist = Param.Unsigned(4, "Minimum history size of LTAGE") + maxHist = Param.Unsigned(640, "Maximum history size of LTAGE") + minTagWidth = Param.Unsigned(7, "Minimum tag size in tag tables") + |