changeset 957eb55da9de in /z/repo/m5
details: http://repo.m5sim.org/m5?cmd=changeset;node=957eb55da9de
description:
inorder: squash from memory stall
this applies to multithreading models which would like to squash a
thread on memory stall
diffstat:
src/cpu/inorder/resources/fetch_seq_unit.cc | 6 +++++-
1 files changed, 5 insertions(+), 1 deletions(-)
diffs (16 lines):
diff -r ddd77866bf82 -r 957eb55da9de src/cpu/inorder/resources/fetch_seq_unit.cc
--- a/src/cpu/inorder/resources/fetch_seq_unit.cc Wed Jun 23 18:21:44
2010 -0400
+++ b/src/cpu/inorder/resources/fetch_seq_unit.cc Wed Jun 23 22:09:49
2010 -0400
@@ -228,7 +228,11 @@
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) {
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