From 80c51fc6015420eace7eea3c82d9ddc7900da08c Mon Sep 17 00:00:00 2001 From: Gabor Dozsa Date: Wed, 23 Jan 2019 15:15:16 +0000 Subject: cpu: Disable O3CPU value forwarding with write strobes https://gem5-review.googlesource.com/c/public/gem5/+/19173 did the same for MinorCPU Change-Id: I22d631a3d2032570f6e84b0f5eb018d1f84414ef Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/23952 Reviewed-by: Bobby R. Bruce Reviewed-by: Jason Lowe-Power Maintainer: Jason Lowe-Power Tested-by: kokoro --- src/cpu/o3/lsq_unit.hh | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'src/cpu/o3') diff --git a/src/cpu/o3/lsq_unit.hh b/src/cpu/o3/lsq_unit.hh index 7c3e0e026..e15d01b26 100644 --- a/src/cpu/o3/lsq_unit.hh +++ b/src/cpu/o3/lsq_unit.hh @@ -725,7 +725,10 @@ LSQUnit::read(LSQRequest *req, int load_idx) 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 -- cgit v1.2.3