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cpu: Made the Loop Predictor a SimObject

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The Loop Predictor implementation is now a SimObject so that other branch
predictors can easily use it (including LTAGE, which is now using it).
It has also been updated with the latest
available loop predictor implementation from Andre Seznec:

http://www.irisa.fr/alf/downloads/seznec/TAGE-GSC-IMLI.tar

Change-Id: I60ad079a2c49b00a1f84d5cfd3611631883a4b57
Reviewed-on: https://gem5-review.googlesource.com/c/15775
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
This commit is contained in:
Javier Bueno
2019-01-28 23:59:45 +01:00
committed by Pau Cabre
parent 4ba89236f0
commit 02d2d7b1e0
6 changed files with 703 additions and 385 deletions
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src/cpu/pred/SConscript
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@@ -45,6 +45,7 @@ Source('tournament.cc')
Source ('bi_mode.cc')
Source('tage_base.cc')
Source('tage.cc')
Source('loop_predictor.cc')
Source('ltage.cc')
DebugFlag('FreeList')
DebugFlag('Branch')