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authorIru Cai <mytbk920423@gmail.com>2019-04-08 10:42:39 +0800
committerIru Cai <mytbk920423@gmail.com>2019-04-08 10:42:39 +0800
commitb6141109804bf4637345d5b8079c9a6debee285c (patch)
tree95d82200a859dfdffba48100854818380065666c /src/cpu/o3/iew_impl.hh
parentf76b874533045543e56a69c1b5d75b34fbc8a888 (diff)
downloadgem5-b6141109804bf4637345d5b8079c9a6debee285c.tar.xz
implement taint propagation
Diffstat (limited to 'src/cpu/o3/iew_impl.hh')
-rw-r--r--src/cpu/o3/iew_impl.hh6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/cpu/o3/iew_impl.hh b/src/cpu/o3/iew_impl.hh
index ee6e76ddd..6adbda7fc 100644
--- a/src/cpu/o3/iew_impl.hh
+++ b/src/cpu/o3/iew_impl.hh
@@ -1328,6 +1328,12 @@ DefaultIEW<Impl>::executeInsts()
inst->forwardOldRegs();
}
+ if (inst->srcTainted()) {
+ inst->taintDestRegs(true);
+ } else {
+ inst->taintDestRegs(false);
+ }
+
inst->setExecuted();
instToCommit(inst);