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| author | Korey Sewell <ksewell@umich.edu> | 2010-06-23 22:09:49 -0400 |
|---|---|---|
| committer | Korey Sewell <ksewell@umich.edu> | 2010-06-23 22:09:49 -0400 |
| commit | 1a737644032be8d95a381e3661b740c2b4f78bba (patch) | |
| tree | 2dc317856fb1ecfe1ac08d91578d58538bbb7500 | |
| parent | e17c41c17692dd6bc50bc0a564e5655b6fa8b8fa (diff) | |
| download | gem5-1a737644032be8d95a381e3661b740c2b4f78bba.tar.xz | |
inorder: squash from memory stall
this applies to multithreading models which would like to squash a thread on memory stall
| -rw-r--r-- | src/cpu/inorder/resources/fetch_seq_unit.cc | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/cpu/inorder/resources/fetch_seq_unit.cc b/src/cpu/inorder/resources/fetch_seq_unit.cc index 03663881c..0d22226a5 100644 --- a/src/cpu/inorder/resources/fetch_seq_unit.cc +++ b/src/cpu/inorder/resources/fetch_seq_unit.cc @@ -228,7 +228,11 @@ FetchSeqUnit::squash(DynInstPtr inst, int squash_stage, tid, squash_stage); InstSeqNum done_seq_num = inst->bdelaySeqNum; - Addr new_PC = inst->readPredTarg(); + + // Handles the case where we are squashing because of something that is + // not a branch...like a memory stall + Addr new_PC = (inst->isControl()) ? + inst->readPredTarg() : inst->readPC() + instSize; if (squashSeqNum[tid] <= done_seq_num && lastSquashCycle[tid] == curTick) { |