Gabe Black has submitted this change. (
https://gem5-review.googlesource.com/c/public/gem5/+/57172 )
Change subject: cpu: Remove an unused variable from one of the branch
predictors.
......................................................................
cpu: Remove an unused variable from one of the branch predictors.
The variable upsets clang and breaks the build.
Change-Id: Ia2315e1753b6e9e701bf18eadf8cf448643577b4
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/57172
Maintainer: Gabe Black <[email protected]>
Reviewed-by: Daniel Carvalho <[email protected]>
Tested-by: kokoro <[email protected]>
---
M src/cpu/pred/multiperspective_perceptron_tage.cc
1 file changed, 15 insertions(+), 2 deletions(-)
Approvals:
Daniel Carvalho: Looks good to me, approved
Gabe Black: Looks good to me, approved
kokoro: Regressions pass
diff --git a/src/cpu/pred/multiperspective_perceptron_tage.cc
b/src/cpu/pred/multiperspective_perceptron_tage.cc
index 67c470f..6176d9c 100644
--- a/src/cpu/pred/multiperspective_perceptron_tage.cc
+++ b/src/cpu/pred/multiperspective_perceptron_tage.cc
@@ -328,11 +328,9 @@
int nbr, int logs, std::vector<int8_t> & w,
StatisticalCorrector::BranchInfo* bi)
{
- int percsum = 0;
for (int i = 0; i < nbr; i++) {
int64_t bhist = hist & ((int64_t) ((1 << length[i]) - 1));
int64_t index = gIndex(branch_pc, bhist, logs, nbr, i);
- percsum += (2 * tab[i][index] + 1);
ctrUpdate(tab[i][index], taken, scCountersWidth - (i < (nbr - 1)));
}
}
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ia2315e1753b6e9e701bf18eadf8cf448643577b4
Gerrit-Change-Number: 57172
Gerrit-PatchSet: 2
Gerrit-Owner: Gabe Black <[email protected]>
Gerrit-Reviewer: Bobby Bruce <[email protected]>
Gerrit-Reviewer: Daniel Carvalho <[email protected]>
Gerrit-Reviewer: Gabe Black <[email protected]>
Gerrit-Reviewer: Jason Lowe-Power <[email protected]>
Gerrit-Reviewer: Javier Bueno Hedo <[email protected]>
Gerrit-Reviewer: kokoro <[email protected]>
Gerrit-MessageType: merged
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