Gabe Black has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/33737 )
Change subject: cpu: Get rid of the IsThreadSync StaticInst flag.
......................................................................
cpu: Get rid of the IsThreadSync StaticInst flag.
This flag was never set and only checked in one place. If it was set, it
would have triggered a panic there.
Change-Id: I934a0346837c66bae8ce06f50027003bfd47083d
---
M src/cpu/StaticInstFlags.py
M src/cpu/base_dyn_inst.hh
M src/cpu/o3/commit_impl.hh
M src/cpu/static_inst.hh
4 files changed, 0 insertions(+), 9 deletions(-)
diff --git a/src/cpu/StaticInstFlags.py b/src/cpu/StaticInstFlags.py
index f387dfd..9fb8a04 100644
--- a/src/cpu/StaticInstFlags.py
+++ b/src/cpu/StaticInstFlags.py
@@ -75,8 +75,6 @@
'IsCall', # Subroutine call.
'IsReturn', # Subroutine return.
- 'IsThreadSync', # Thread synchronization operation.
-
'IsSerializing', # Serializes pipeline: won't execute until all
# older instructions have committed.
'IsSerializeBefore',
diff --git a/src/cpu/base_dyn_inst.hh b/src/cpu/base_dyn_inst.hh
index b2cf5a6..3c9dba4 100644
--- a/src/cpu/base_dyn_inst.hh
+++ b/src/cpu/base_dyn_inst.hh
@@ -517,7 +517,6 @@
bool isIndirectCtrl() const { return staticInst->isIndirectCtrl(); }
bool isCondCtrl() const { return staticInst->isCondCtrl(); }
bool isUncondCtrl() const { return staticInst->isUncondCtrl(); }
- bool isThreadSync() const { return staticInst->isThreadSync(); }
bool isSerializing() const { return staticInst->isSerializing(); }
bool isSerializeBefore() const
{ return staticInst->isSerializeBefore() || status[SerializeBefore]; }
diff --git a/src/cpu/o3/commit_impl.hh b/src/cpu/o3/commit_impl.hh
index de79206..33e55db 100644
--- a/src/cpu/o3/commit_impl.hh
+++ b/src/cpu/o3/commit_impl.hh
@@ -1198,11 +1198,6 @@
return false;
}
- if (head_inst->isThreadSync()) {
- // Not handled for now.
- panic("Thread sync instructions are not handled yet.\n");
- }
-
// Check if the instruction caused a fault. If so, trap.
Fault inst_fault = head_inst->getFault();
diff --git a/src/cpu/static_inst.hh b/src/cpu/static_inst.hh
index 619c3b5..b528758 100644
--- a/src/cpu/static_inst.hh
+++ b/src/cpu/static_inst.hh
@@ -180,7 +180,6 @@
bool isCondCtrl() const { return flags[IsCondControl]; }
bool isUncondCtrl() const { return flags[IsUncondControl]; }
- bool isThreadSync() const { return flags[IsThreadSync]; }
bool isSerializing() const { return flags[IsSerializing] ||
flags[IsSerializeBefore] ||
flags[IsSerializeAfter]; }
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I934a0346837c66bae8ce06f50027003bfd47083d
Gerrit-Change-Number: 33737
Gerrit-PatchSet: 1
Gerrit-Owner: Gabe Black <[email protected]>
Gerrit-MessageType: newchange
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