Add a fast path for nterp entrypoint to avoid fetching the shorty.
When all parameters are references, we don't need to look at the shorty.
Use the 0x00100000 flag in the modifiers which is free for non-native
methods.
Test: test.py
Bug: 112676029
Change-Id: Ied9a253f7f7230045dd13188a5b806fb1d6d019d
diff --git a/runtime/art_method.h b/runtime/art_method.h
index b2c211f..412da07 100644
--- a/runtime/art_method.h
+++ b/runtime/art_method.h
@@ -394,6 +394,16 @@
ClearAccessFlags(kAccSkipAccessChecks);
}
+ bool HasNterpEntryPointFastPathFlag() const {
+ constexpr uint32_t mask = kAccNative | kAccNterpEntryPointFastPathFlag;
+ return (GetAccessFlags() & mask) == kAccNterpEntryPointFastPathFlag;
+ }
+
+ void SetNterpEntryPointFastPathFlag() REQUIRES_SHARED(Locks::mutator_lock_) {
+ DCHECK(!IsNative());
+ AddAccessFlags(kAccNterpEntryPointFastPathFlag);
+ }
+
// Returns true if this method could be overridden by a default method.
bool IsOverridableByDefaultMethod() REQUIRES_SHARED(Locks::mutator_lock_);