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| author | Matt Horsnell <Matt.Horsnell@arm.com> | 2011-01-18 16:30:05 -0600 |
|---|---|---|
| committer | Matt Horsnell <Matt.Horsnell@arm.com> | 2011-01-18 16:30:05 -0600 |
| commit | 62f2097917c977335d025e230146c6eb56a9bb5d (patch) | |
| tree | 68bc1883947fb893961ea2474903ed1de1a40007 /src/cpu/o3/commit_impl.hh | |
| parent | 5ebf3b280867925917654f5362d3ece21dc2355e (diff) | |
| download | gem5-62f2097917c977335d025e230146c6eb56a9bb5d.tar.xz | |
O3: Fix mispredicts from non control instructions.
The squash inside the fetch unit should not attempt to remove them from the
branch predictor as non-control instructions are not pushed into the predictor.
Diffstat (limited to 'src/cpu/o3/commit_impl.hh')
| -rw-r--r-- | src/cpu/o3/commit_impl.hh | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/cpu/o3/commit_impl.hh b/src/cpu/o3/commit_impl.hh index 7f37b5f09..78e9a8848 100644 --- a/src/cpu/o3/commit_impl.hh +++ b/src/cpu/o3/commit_impl.hh @@ -520,6 +520,7 @@ DefaultCommit<Impl>::squashAll(ThreadID tid) toIEW->commitInfo[tid].robSquashing = true; toIEW->commitInfo[tid].branchMispredict = false; + toIEW->commitInfo[tid].mispredictInst = NULL; toIEW->commitInfo[tid].pc = pc[tid]; } @@ -814,7 +815,8 @@ DefaultCommit<Impl>::commit() toIEW->commitInfo[tid].branchMispredict = fromIEW->branchMispredict[tid]; - + toIEW->commitInfo[tid].mispredictInst = + fromIEW->mispredictInst[tid]; toIEW->commitInfo[tid].branchTaken = fromIEW->branchTaken[tid]; |