Cache whether we should use interpreter invoke fast-path.
There is many conditions to check on each invoke. If they all pass,
cache the result in the access flags of the called ArtMethod.
This speeds up arm64 golem interpreter benchmarks by 4%.
Test: ./art/test.py -b -r --interpreter --host --64
Change-Id: I86313dbdba84cbf8c707aae84e0ff05b6e034700
diff --git a/runtime/interpreter/interpreter_common.cc b/runtime/interpreter/interpreter_common.cc
index d5902ec..fe61547 100644
--- a/runtime/interpreter/interpreter_common.cc
+++ b/runtime/interpreter/interpreter_common.cc
@@ -64,6 +64,31 @@
return true;
}
+bool UseFastInterpreterToInterpreterInvoke(ArtMethod* method) {
+ Runtime* runtime = Runtime::Current();
+ const void* quick_code = method->GetEntryPointFromQuickCompiledCode();
+ if (!runtime->GetClassLinker()->IsQuickToInterpreterBridge(quick_code)) {
+ return false;
+ }
+ if (!method->SkipAccessChecks() || method->IsNative() || method->IsProxyMethod()) {
+ return false;
+ }
+ if (method->IsIntrinsic()) {
+ return false;
+ }
+ if (method->GetDeclaringClass()->IsStringClass() && method->IsConstructor()) {
+ return false;
+ }
+ if (method->IsStatic() && !method->GetDeclaringClass()->IsInitialized()) {
+ return false;
+ }
+ ProfilingInfo* profiling_info = method->GetProfilingInfo(kRuntimePointerSize);
+ if ((profiling_info != nullptr) && (profiling_info->GetSavedEntryPoint() != nullptr)) {
+ return false;
+ }
+ return true;
+}
+
template<FindFieldType find_type, Primitive::Type field_type, bool do_access_check,
bool transaction_active>
bool DoFieldGet(Thread* self, ShadowFrame& shadow_frame, const Instruction* inst,