8031994: java/lang/Character/CheckProp test times out

Reviewed-by: iveresov, roland

hotspot/src/cpu/sparc/vm/c1_LIRGenerator_sparc.cpp

@@ -872,21 +872,19 @@ void LIRGenerator::do_Convert(Convert* x) {
 
 
 void LIRGenerator::do_NewInstance(NewInstance* x) {
+  print_if_not_loaded(x);
+
   // This instruction can be deoptimized in the slow path : use
   // O0 as result register.
   const LIR_Opr reg = result_register_for(x->type());
-#ifndef PRODUCT
-  if (PrintNotLoaded && !x->klass()->is_loaded()) {
-    tty->print_cr("   ###class not loaded at new bci %d", x->printable_bci());
-  }
-#endif
+
   CodeEmitInfo* info = state_for(x, x->state());
   LIR_Opr tmp1 = FrameMap::G1_oop_opr;
   LIR_Opr tmp2 = FrameMap::G3_oop_opr;
   LIR_Opr tmp3 = FrameMap::G4_oop_opr;
   LIR_Opr tmp4 = FrameMap::O1_oop_opr;
   LIR_Opr klass_reg = FrameMap::G5_metadata_opr;
-  new_instance(reg, x->klass(), tmp1, tmp2, tmp3, tmp4, klass_reg, info);
+  new_instance(reg, x->klass(), x->is_unresolved(), tmp1, tmp2, tmp3, tmp4, klass_reg, info);
   LIR_Opr result = rlock_result(x);
   __ move(reg, result);
 }

hotspot/src/cpu/x86/vm/c1_LIRGenerator_x86.cpp

@@ -1085,14 +1085,11 @@ void LIRGenerator::do_Convert(Convert* x) {
 
 
 void LIRGenerator::do_NewInstance(NewInstance* x) {
-#ifndef PRODUCT
-  if (PrintNotLoaded && !x->klass()->is_loaded()) {
-    tty->print_cr("   ###class not loaded at new bci %d", x->printable_bci());
-  }
-#endif
+  print_if_not_loaded(x);
+
   CodeEmitInfo* info = state_for(x, x->state());
   LIR_Opr reg = result_register_for(x->type());
-  new_instance(reg, x->klass(),
+  new_instance(reg, x->klass(), x->is_unresolved(),
                        FrameMap::rcx_oop_opr,
                        FrameMap::rdi_oop_opr,
                        FrameMap::rsi_oop_opr,

hotspot/src/share/vm/c1/c1_GraphBuilder.cpp

@@ -2054,7 +2054,7 @@ void GraphBuilder::new_instance(int klass_index) {
   bool will_link;
   ciKlass* klass = stream()->get_klass(will_link);
   assert(klass->is_instance_klass(), "must be an instance klass");
-  NewInstance* new_instance = new NewInstance(klass->as_instance_klass(), state_before);
+  NewInstance* new_instance = new NewInstance(klass->as_instance_klass(), state_before, stream()->is_unresolved_klass());
   _memory->new_instance(new_instance);
   apush(append_split(new_instance));
 }

hotspot/src/share/vm/c1/c1_Instruction.hpp

@@ -1291,16 +1291,18 @@ LEAF(Invoke, StateSplit)
 LEAF(NewInstance, StateSplit)
  private:
   ciInstanceKlass* _klass;
+  bool _is_unresolved;
 
  public:
   // creation
-  NewInstance(ciInstanceKlass* klass, ValueStack* state_before)
+  NewInstance(ciInstanceKlass* klass, ValueStack* state_before, bool is_unresolved)
   : StateSplit(instanceType, state_before)
-  , _klass(klass)
+  , _klass(klass), _is_unresolved(is_unresolved)
   {}
 
   // accessors
   ciInstanceKlass* klass() const                 { return _klass; }
+  bool is_unresolved() const                     { return _is_unresolved; }
 
   virtual bool needs_exception_state() const     { return false; }
 

hotspot/src/share/vm/c1/c1_LIRGenerator.cpp

@@ -466,8 +466,11 @@ CodeEmitInfo* LIRGenerator::state_for(Instruction* x) {
 }
 
 
-void LIRGenerator::klass2reg_with_patching(LIR_Opr r, ciMetadata* obj, CodeEmitInfo* info) {
-  if (!obj->is_loaded() || PatchALot) {
+void LIRGenerator::klass2reg_with_patching(LIR_Opr r, ciMetadata* obj, CodeEmitInfo* info, bool need_resolve) {
+  /* C2 relies on constant pool entries being resolved (ciTypeFlow), so if TieredCompilation
+   * is active and the class hasn't yet been resolved we need to emit a patch that resolves
+   * the class. */
+  if ((TieredCompilation && need_resolve) || !obj->is_loaded() || PatchALot) {
     assert(info != NULL, "info must be set if class is not loaded");
     __ klass2reg_patch(NULL, r, info);
   } else {
@@ -660,9 +663,18 @@ void LIRGenerator::monitor_exit(LIR_Opr object, LIR_Opr lock, LIR_Opr new_hdr, L
   __ unlock_object(hdr, object, lock, scratch, slow_path);
 }
 
+#ifndef PRODUCT
+void LIRGenerator::print_if_not_loaded(const NewInstance* new_instance) {
+  if (PrintNotLoaded && !new_instance->klass()->is_loaded()) {
+    tty->print_cr("   ###class not loaded at new bci %d", new_instance->printable_bci());
+  } else if (PrintNotLoaded && (TieredCompilation && new_instance->is_unresolved())) {
+    tty->print_cr("   ###class not resolved at new bci %d", new_instance->printable_bci());
+  }
+}
+#endif
 
-void LIRGenerator::new_instance(LIR_Opr dst, ciInstanceKlass* klass, LIR_Opr scratch1, LIR_Opr scratch2, LIR_Opr scratch3, LIR_Opr scratch4, LIR_Opr klass_reg, CodeEmitInfo* info) {
-  klass2reg_with_patching(klass_reg, klass, info);
+void LIRGenerator::new_instance(LIR_Opr dst, ciInstanceKlass* klass, bool is_unresolved, LIR_Opr scratch1, LIR_Opr scratch2, LIR_Opr scratch3, LIR_Opr scratch4, LIR_Opr klass_reg, CodeEmitInfo* info) {
+  klass2reg_with_patching(klass_reg, klass, info, is_unresolved);
   // If klass is not loaded we do not know if the klass has finalizers:
   if (UseFastNewInstance && klass->is_loaded()
       && !Klass::layout_helper_needs_slow_path(klass->layout_helper())) {

hotspot/src/share/vm/c1/c1_LIRGenerator.hpp

@@ -169,6 +169,8 @@ class LIRGenerator: public InstructionVisitor, public BlockClosure {
     return this;
   }
 
+  void print_if_not_loaded(const NewInstance* new_instance) PRODUCT_RETURN;
+
 #ifdef ASSERT
   LIR_List* lir(const char * file, int line) const {
     _lir->set_file_and_line(file, line);
@@ -307,7 +309,7 @@ class LIRGenerator: public InstructionVisitor, public BlockClosure {
 
   void store_stack_parameter (LIR_Opr opr, ByteSize offset_from_sp_in_bytes);
 
-  void klass2reg_with_patching(LIR_Opr r, ciMetadata* obj, CodeEmitInfo* info);
+  void klass2reg_with_patching(LIR_Opr r, ciMetadata* obj, CodeEmitInfo* info, bool need_resolve = false);
 
   // this loads the length and compares against the index
   void array_range_check          (LIR_Opr array, LIR_Opr index, CodeEmitInfo* null_check_info, CodeEmitInfo* range_check_info);
@@ -325,7 +327,7 @@ class LIRGenerator: public InstructionVisitor, public BlockClosure {
   void monitor_enter (LIR_Opr object, LIR_Opr lock, LIR_Opr hdr, LIR_Opr scratch, int monitor_no, CodeEmitInfo* info_for_exception, CodeEmitInfo* info);
   void monitor_exit  (LIR_Opr object, LIR_Opr lock, LIR_Opr hdr, LIR_Opr scratch, int monitor_no);
 
-  void new_instance    (LIR_Opr  dst, ciInstanceKlass* klass, LIR_Opr  scratch1, LIR_Opr  scratch2, LIR_Opr  scratch3,  LIR_Opr scratch4, LIR_Opr  klass_reg, CodeEmitInfo* info);
+  void new_instance    (LIR_Opr  dst, ciInstanceKlass* klass, bool is_unresolved, LIR_Opr  scratch1, LIR_Opr  scratch2, LIR_Opr  scratch3,  LIR_Opr scratch4, LIR_Opr  klass_reg, CodeEmitInfo* info);
 
   // machine dependent
   void cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info);