hotspot/src/share/vm/runtime/simpleThresholdPolicy.inline.hpp

rev 6907 : 8056071: compiler/whitebox/IsMethodCompilableTest.java fails with 'method() is not compilable after 3 iterations'
Summary: Always use MDO if valid and always compile trivial methods with C1 if available.
Reviewed-by: kvn, iveresov

@@ -52,17 +52,21 @@
 }
 
 // Simple methods are as good being compiled with C1 as C2.
 // Determine if a given method is such a case.
 bool SimpleThresholdPolicy::is_trivial(Method* method) {
-  if (method->is_accessor()) return true;
-  if (method->code() != NULL) {
-    MethodData* mdo = method->method_data();
-    if (mdo != NULL && mdo->num_loops() == 0 &&
-        (method->code_size() < 5  || (mdo->num_blocks() < 4) && (method->code_size() < 15))) {
-      return !mdo->would_profile();
+  if (method->is_accessor() ||
+      method->is_constant_getter()) {
+    return true;
+  }
+  if (method->has_loops() || method->code_size() >= 15) {
+    return false;
     }
+  MethodData* mdo = method->method_data();
+  if (mdo != NULL && !mdo->would_profile() &&
+      (method->code_size() < 5  || (mdo->num_blocks() < 4))) {
+    return true;
   }
   return false;
 }
 
 #endif // SHARE_VM_RUNTIME_SIMPLETHRESHOLDPOLICY_INLINE_HPP