Giacomo Travaglini has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/23952 )
Change subject: cpu: Disable O3CPU value forwarding with write strobes
......................................................................
cpu: Disable O3CPU value forwarding with write strobes
Change-Id: I22d631a3d2032570f6e84b0f5eb018d1f84414ef
---
M src/cpu/o3/lsq_unit.hh
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/cpu/o3/lsq_unit.hh b/src/cpu/o3/lsq_unit.hh
index 7c3e0e0..e15d01b 100644
--- a/src/cpu/o3/lsq_unit.hh
+++ b/src/cpu/o3/lsq_unit.hh
@@ -725,7 +725,10 @@
store_has_lower_limit && store_has_upper_limit &&
!req->mainRequest()->isLLSC()) {
- coverage = AddrRangeCoverage::FullAddrRangeCoverage;
+ const auto& store_req = store_it->request()->mainRequest();
+ coverage = store_req->isMasked() ?
+ AddrRangeCoverage::PartialAddrRangeCoverage :
+ AddrRangeCoverage::FullAddrRangeCoverage;
} else if (
// This is the partial store-load forwarding case where a
store
// has only part of the load's data and the load isn't LLSC
--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: I22d631a3d2032570f6e84b0f5eb018d1f84414ef
Gerrit-Change-Number: 23952
Gerrit-PatchSet: 1
Gerrit-Owner: Giacomo Travaglini <[email protected]>
Gerrit-MessageType: newchange
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