Merge

hotspot/agent/src/share/classes/sun/jvm/hotspot/runtime/VM.java

@@ -121,6 +121,8 @@ public class VM {
   private Flag[] commandLineFlags;
   private Map flagsMap;
 
+  private static Type intType;
+  private static Type uintType;
   private static Type intxType;
   private static Type uintxType;
   private static Type sizetType;
@@ -170,6 +172,28 @@ public class VM {
         return addr.getCIntegerAt(0, boolType.getSize(), boolType.isUnsigned()) != 0;
      }
 
+     public boolean isInt() {
+        return type.equals("int");
+     }
+
+     public long getInt() {
+        if (Assert.ASSERTS_ENABLED) {
+           Assert.that(isInt(), "not an int flag!");
+        }
+        return addr.getCIntegerAt(0, intType.getSize(), false);
+     }
+
+     public boolean isUInt() {
+        return type.equals("uint");
+     }
+
+     public long getUInt() {
+        if (Assert.ASSERTS_ENABLED) {
+           Assert.that(isUInt(), "not a uint flag!");
+        }
+        return addr.getCIntegerAt(0, uintType.getSize(), false);
+     }
+
      public boolean isIntx() {
         return type.equals("intx");
      }
@@ -206,6 +230,10 @@ public class VM {
      public String getValue() {
         if (isBool()) {
            return new Boolean(getBool()).toString();
+        } else if (isInt()) {
+           return new Long(getInt()).toString();
+        } else if (isUInt()) {
+           return new Long(getUInt()).toString();
         } else if (isIntx()) {
            return new Long(getIntx()).toString();
         } else if (isUIntx()) {
@@ -334,6 +362,8 @@ public class VM {
     heapWordSize = db.lookupIntConstant("HeapWordSize").intValue();
     oopSize  = db.lookupIntConstant("oopSize").intValue();
 
+    intType = db.lookupType("int");
+    uintType = db.lookupType("uint");
     intxType = db.lookupType("intx");
     uintxType = db.lookupType("uintx");
     sizetType = db.lookupType("size_t");

hotspot/src/cpu/aarch64/vm/vm_version_aarch64.cpp

@@ -228,6 +228,9 @@ void VM_Version::get_processor_features() {
       warning("SHA512 instruction (for SHA-384 and SHA-512) is not available on this CPU.");
       FLAG_SET_DEFAULT(UseSHA512Intrinsics, false);
     }
+    if (!(UseSHA1Intrinsics || UseSHA256Intrinsics || UseSHA512Intrinsics)) {
+      FLAG_SET_DEFAULT(UseSHA, false);
+    }
   }
 
   // This machine allows unaligned memory accesses

hotspot/src/share/vm/ci/ciMethod.cpp

@@ -71,8 +71,7 @@
 // Loaded method.
 ciMethod::ciMethod(methodHandle h_m, ciInstanceKlass* holder) :
   ciMetadata(h_m()),
-  _holder(holder),
+  _holder(holder)
-  _has_injected_profile(false)
 {
   assert(h_m() != NULL, "no null method");
 
@@ -170,8 +169,7 @@ ciMethod::ciMethod(ciInstanceKlass* holder,
   _liveness(               NULL),
   _can_be_statically_bound(false),
   _method_blocks(          NULL),
-  _method_data(            NULL),
+  _method_data(            NULL)
-  _has_injected_profile(   false)
 #if defined(COMPILER2) || defined(SHARK)
   ,
   _flow(                   NULL),

hotspot/src/share/vm/ci/ciMethod.hpp

@@ -81,7 +81,6 @@ class ciMethod : public ciMetadata {
   bool _is_c1_compilable;
   bool _is_c2_compilable;
   bool _can_be_statically_bound;
-  bool _has_injected_profile;
 
   // Lazy fields, filled in on demand
   address              _code;
@@ -179,9 +178,9 @@ class ciMethod : public ciMetadata {
   // Code size for inlining decisions.
   int code_size_for_inlining();
 
-  bool caller_sensitive() { return get_Method()->caller_sensitive(); }
+  bool caller_sensitive()   const { return get_Method()->caller_sensitive();   }
-  bool force_inline()     { return get_Method()->force_inline();     }
+  bool force_inline()       const { return get_Method()->force_inline();       }
-  bool dont_inline()      { return get_Method()->dont_inline();      }
+  bool dont_inline()        const { return get_Method()->dont_inline();        }
 
   int comp_level();
   int highest_osr_comp_level();
@@ -289,9 +288,6 @@ class ciMethod : public ciMetadata {
   int instructions_size();
   int scale_count(int count, float prof_factor = 1.);  // make MDO count commensurate with IIC
 
-  bool has_injected_profile() const { return _has_injected_profile;     }
-  void set_injected_profile(bool x) {        _has_injected_profile = x; }
-
   // Stack walking support
   bool is_ignored_by_security_stack_walk() const;
 

hotspot/src/share/vm/classfile/classFileParser.cpp

@@ -1742,6 +1742,10 @@ ClassFileParser::AnnotationCollector::annotation_index(ClassLoaderData* loader_d
     if (_location != _in_method)  break;  // only allow for methods
     if (!privileged)              break;  // only allow in privileged code
     return _method_DontInline;
+  case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_InjectedProfile_signature):
+    if (_location != _in_method)  break;  // only allow for methods
+    if (!privileged)              break;  // only allow in privileged code
+    return _method_InjectedProfile;
   case vmSymbols::VM_SYMBOL_ENUM_NAME(java_lang_invoke_LambdaForm_Compiled_signature):
     if (_location != _in_method)  break;  // only allow for methods
     if (!privileged)              break;  // only allow in privileged code
@@ -1783,6 +1787,8 @@ void ClassFileParser::MethodAnnotationCollector::apply_to(methodHandle m) {
     m->set_force_inline(true);
   if (has_annotation(_method_DontInline))
     m->set_dont_inline(true);
+  if (has_annotation(_method_InjectedProfile))
+    m->set_has_injected_profile(true);
   if (has_annotation(_method_LambdaForm_Compiled) && m->intrinsic_id() == vmIntrinsics::_none)
     m->set_intrinsic_id(vmIntrinsics::_compiledLambdaForm);
   if (has_annotation(_method_LambdaForm_Hidden))

hotspot/src/share/vm/classfile/classFileParser.hpp

@@ -127,6 +127,7 @@ class ClassFileParser VALUE_OBJ_CLASS_SPEC {
       _method_CallerSensitive,
       _method_ForceInline,
       _method_DontInline,
+      _method_InjectedProfile,
       _method_LambdaForm_Compiled,
       _method_LambdaForm_Hidden,
       _sun_misc_Contended,

hotspot/src/share/vm/classfile/vmSymbols.hpp

@@ -278,6 +278,7 @@
   template(java_lang_invoke_LambdaForm,               "java/lang/invoke/LambdaForm")              \
   template(java_lang_invoke_ForceInline_signature,    "Ljava/lang/invoke/ForceInline;")           \
   template(java_lang_invoke_DontInline_signature,     "Ljava/lang/invoke/DontInline;")            \
+  template(java_lang_invoke_InjectedProfile_signature, "Ljava/lang/invoke/InjectedProfile;")      \
   template(java_lang_invoke_Stable_signature,         "Ljava/lang/invoke/Stable;")                \
   template(java_lang_invoke_LambdaForm_Compiled_signature, "Ljava/lang/invoke/LambdaForm$Compiled;") \
   template(java_lang_invoke_LambdaForm_Hidden_signature, "Ljava/lang/invoke/LambdaForm$Hidden;")  \

hotspot/src/share/vm/gc/parallel/psMarkSweep.cpp

@@ -96,7 +96,7 @@ void PSMarkSweep::invoke(bool maximum_heap_compaction) {
     heap->collector_policy()->should_clear_all_soft_refs();
 
   uint count = maximum_heap_compaction ? 1 : MarkSweepAlwaysCompactCount;
-  UIntFlagSetting flag_setting(MarkSweepAlwaysCompactCount, count);
+  UIntXFlagSetting flag_setting(MarkSweepAlwaysCompactCount, count);
   PSMarkSweep::invoke_no_policy(clear_all_soft_refs || maximum_heap_compaction);
 }
 

hotspot/src/share/vm/gc/shared/collectorPolicy.cpp

@@ -785,7 +785,7 @@ HeapWord* GenCollectorPolicy::satisfy_failed_allocation(size_t size,
   // free memory should be here, especially if they are expensive. If this
   // attempt fails, an OOM exception will be thrown.
   {
-    UIntFlagSetting flag_change(MarkSweepAlwaysCompactCount, 1); // Make sure the heap is fully compacted
+    UIntXFlagSetting flag_change(MarkSweepAlwaysCompactCount, 1); // Make sure the heap is fully compacted
 
     gch->do_collection(true             /* full */,
                        true             /* clear_all_soft_refs */,

hotspot/src/share/vm/oops/method.cpp

@@ -93,6 +93,7 @@ Method::Method(ConstMethod* xconst, AccessFlags access_flags, int size) {
   set_force_inline(false);
   set_hidden(false);
   set_dont_inline(false);
+  set_has_injected_profile(false);
   set_method_data(NULL);
   clear_method_counters();
   set_vtable_index(Method::garbage_vtable_index);

hotspot/src/share/vm/oops/method.hpp

@@ -76,12 +76,13 @@ class Method : public Metadata {
 
   // Flags
   enum Flags {
-    _jfr_towrite      = 1 << 0,
+    _jfr_towrite          = 1 << 0,
-    _caller_sensitive = 1 << 1,
+    _caller_sensitive     = 1 << 1,
-    _force_inline     = 1 << 2,
+    _force_inline         = 1 << 2,
-    _dont_inline      = 1 << 3,
+    _dont_inline          = 1 << 3,
-    _hidden           = 1 << 4,
+    _hidden               = 1 << 4,
-    _running_emcp     = 1 << 5
+    _has_injected_profile = 1 << 5,
+    _running_emcp         = 1 << 6
   };
   u1 _flags;
 
@@ -814,6 +815,13 @@ class Method : public Metadata {
     _flags = x ? (_flags | _hidden) : (_flags & ~_hidden);
   }
 
+  bool has_injected_profile() {
+    return (_flags & _has_injected_profile) != 0;
+  }
+  void set_has_injected_profile(bool x) {
+    _flags = x ? (_flags | _has_injected_profile) : (_flags & ~_has_injected_profile);
+  }
+
   ConstMethod::MethodType method_type() const {
       return _constMethod->method_type();
   }

hotspot/src/share/vm/opto/arraycopynode.cpp

@@ -438,11 +438,17 @@ bool ArrayCopyNode::finish_transform(PhaseGVN *phase, bool can_reshape,
       // replace fallthrough projections of the ArrayCopyNode by the
       // new memory, control and the input IO.
       CallProjections callprojs;
-      extract_projections(&callprojs, true);
+      extract_projections(&callprojs, true, false);
 
-      igvn->replace_node(callprojs.fallthrough_ioproj, in(TypeFunc::I_O));
+      if (callprojs.fallthrough_ioproj != NULL) {
-      igvn->replace_node(callprojs.fallthrough_memproj, mem);
+        igvn->replace_node(callprojs.fallthrough_ioproj, in(TypeFunc::I_O));
-      igvn->replace_node(callprojs.fallthrough_catchproj, ctl);
+      }
+      if (callprojs.fallthrough_memproj != NULL) {
+        igvn->replace_node(callprojs.fallthrough_memproj, mem);
+      }
+      if (callprojs.fallthrough_catchproj != NULL) {
+        igvn->replace_node(callprojs.fallthrough_catchproj, ctl);
+      }
 
       // The ArrayCopyNode is not disconnected. It still has the
       // projections for the exception case. Replace current

hotspot/src/share/vm/opto/callnode.cpp

@@ -724,6 +724,26 @@ uint CallNode::match_edge(uint idx) const {
 //
 bool CallNode::may_modify(const TypeOopPtr *t_oop, PhaseTransform *phase) {
   assert((t_oop != NULL), "sanity");
+  if (is_call_to_arraycopystub()) {
+    const TypeTuple* args = _tf->domain();
+    Node* dest = NULL;
+    // Stubs that can be called once an ArrayCopyNode is expanded have
+    // different signatures. Look for the second pointer argument,
+    // that is the destination of the copy.
+    for (uint i = TypeFunc::Parms, j = 0; i < args->cnt(); i++) {
+      if (args->field_at(i)->isa_ptr()) {
+        j++;
+        if (j == 2) {
+          dest = in(i);
+          break;
+        }
+      }
+    }
+    if (!dest->is_top() && may_modify_arraycopy_helper(phase->type(dest)->is_oopptr(), t_oop, phase)) {
+      return true;
+    }
+    return false;
+  }
   if (t_oop->is_known_instance()) {
     // The instance_id is set only for scalar-replaceable allocations which
     // are not passed as arguments according to Escape Analysis.
@@ -810,7 +830,7 @@ Node *CallNode::result_cast() {
 }
 
 
-void CallNode::extract_projections(CallProjections* projs, bool separate_io_proj) {
+void CallNode::extract_projections(CallProjections* projs, bool separate_io_proj, bool do_asserts) {
   projs->fallthrough_proj      = NULL;
   projs->fallthrough_catchproj = NULL;
   projs->fallthrough_ioproj    = NULL;
@@ -873,17 +893,18 @@ void CallNode::extract_projections(CallProjections* projs, bool separate_io_proj
     }
   }
 
-  // The resproj may not exist because the result couuld be ignored
+  // The resproj may not exist because the result could be ignored
   // and the exception object may not exist if an exception handler
   // swallows the exception but all the other must exist and be found.
   assert(projs->fallthrough_proj      != NULL, "must be found");
-  assert(Compile::current()->inlining_incrementally() || projs->fallthrough_catchproj != NULL, "must be found");
+  do_asserts = do_asserts && !Compile::current()->inlining_incrementally();
-  assert(Compile::current()->inlining_incrementally() || projs->fallthrough_memproj   != NULL, "must be found");
+  assert(!do_asserts || projs->fallthrough_catchproj != NULL, "must be found");
-  assert(Compile::current()->inlining_incrementally() || projs->fallthrough_ioproj    != NULL, "must be found");
+  assert(!do_asserts || projs->fallthrough_memproj   != NULL, "must be found");
-  assert(Compile::current()->inlining_incrementally() || projs->catchall_catchproj    != NULL, "must be found");
+  assert(!do_asserts || projs->fallthrough_ioproj    != NULL, "must be found");
+  assert(!do_asserts || projs->catchall_catchproj    != NULL, "must be found");
   if (separate_io_proj) {
-    assert(Compile::current()->inlining_incrementally() || projs->catchall_memproj    != NULL, "must be found");
+    assert(!do_asserts || projs->catchall_memproj    != NULL, "must be found");
-    assert(Compile::current()->inlining_incrementally() || projs->catchall_ioproj     != NULL, "must be found");
+    assert(!do_asserts || projs->catchall_ioproj     != NULL, "must be found");
   }
 }
 
@@ -909,6 +930,12 @@ Node *CallNode::Ideal(PhaseGVN *phase, bool can_reshape) {
   return SafePointNode::Ideal(phase, can_reshape);
 }
 
+bool CallNode::is_call_to_arraycopystub() const {
+  if (_name != NULL && strstr(_name, "arraycopy") != 0) {
+    return true;
+  }
+  return false;
+}
 
 //=============================================================================
 uint CallJavaNode::size_of() const { return sizeof(*this); }
@@ -1007,14 +1034,6 @@ void CallRuntimeNode::calling_convention( BasicType* sig_bt, VMRegPair *parm_reg
 
 
 //=============================================================================
-bool CallLeafNode::is_call_to_arraycopystub() const {
-  if (_name != NULL && strstr(_name, "arraycopy") != 0) {
-    return true;
-  }
-  return false;
-}
-
-
 #ifndef PRODUCT
 void CallLeafNode::dump_spec(outputStream *st) const {
   st->print("# ");
@@ -1930,26 +1949,3 @@ bool CallNode::may_modify_arraycopy_helper(const TypeOopPtr* dest_t, const TypeO
   return true;
 }
 
-bool CallLeafNode::may_modify(const TypeOopPtr *t_oop, PhaseTransform *phase) {
-  if (is_call_to_arraycopystub()) {
-    const TypeTuple* args = _tf->domain();
-    Node* dest = NULL;
-    // Stubs that can be called once an ArrayCopyNode is expanded have
-    // different signatures. Look for the second pointer argument,
-    // that is the destination of the copy.
-    for (uint i = TypeFunc::Parms, j = 0; i < args->cnt(); i++) {
-      if (args->field_at(i)->isa_ptr()) {
-        j++;
-        if (j == 2) {
-          dest = in(i);
-          break;
-        }
-      }
-    }
-    if (!dest->is_top() && may_modify_arraycopy_helper(phase->type(dest)->is_oopptr(), t_oop, phase)) {
-      return true;
-    }
-    return false;
-  }
-  return CallNode::may_modify(t_oop, phase);
-}

hotspot/src/share/vm/opto/callnode.hpp

@@ -565,13 +565,15 @@ public:
   address      _entry_point;  // Address of method being called
   float        _cnt;          // Estimate of number of times called
   CallGenerator* _generator;  // corresponding CallGenerator for some late inline calls
+  const char *_name;           // Printable name, if _method is NULL
 
   CallNode(const TypeFunc* tf, address addr, const TypePtr* adr_type)
     : SafePointNode(tf->domain()->cnt(), NULL, adr_type),
       _tf(tf),
       _entry_point(addr),
       _cnt(COUNT_UNKNOWN),
-      _generator(NULL)
+      _generator(NULL),
+      _name(NULL)
   {
     init_class_id(Class_Call);
   }
@@ -626,10 +628,12 @@ public:
   // Collect all the interesting edges from a call for use in
   // replacing the call by something else.  Used by macro expansion
   // and the late inlining support.
-  void extract_projections(CallProjections* projs, bool separate_io_proj);
+  void extract_projections(CallProjections* projs, bool separate_io_proj, bool do_asserts = true);
 
   virtual uint match_edge(uint idx) const;
 
+  bool is_call_to_arraycopystub() const;
+
 #ifndef PRODUCT
   virtual void        dump_req(outputStream *st = tty) const;
   virtual void        dump_spec(outputStream *st) const;
@@ -683,7 +687,7 @@ class CallStaticJavaNode : public CallJavaNode {
   virtual uint size_of() const; // Size is bigger
 public:
   CallStaticJavaNode(Compile* C, const TypeFunc* tf, address addr, ciMethod* method, int bci)
-    : CallJavaNode(tf, addr, method, bci), _name(NULL) {
+    : CallJavaNode(tf, addr, method, bci) {
     init_class_id(Class_CallStaticJava);
     if (C->eliminate_boxing() && (method != NULL) && method->is_boxing_method()) {
       init_flags(Flag_is_macro);
@@ -694,14 +698,14 @@ public:
   }
   CallStaticJavaNode(const TypeFunc* tf, address addr, const char* name, int bci,
                      const TypePtr* adr_type)
-    : CallJavaNode(tf, addr, NULL, bci), _name(name) {
+    : CallJavaNode(tf, addr, NULL, bci) {
     init_class_id(Class_CallStaticJava);
     // This node calls a runtime stub, which often has narrow memory effects.
     _adr_type = adr_type;
     _is_scalar_replaceable = false;
     _is_non_escaping = false;
+    _name = name;
   }
-  const char *_name;      // Runtime wrapper name
 
   // Result of Escape Analysis
   bool _is_scalar_replaceable;
@@ -754,13 +758,12 @@ class CallRuntimeNode : public CallNode {
 public:
   CallRuntimeNode(const TypeFunc* tf, address addr, const char* name,
                   const TypePtr* adr_type)
-    : CallNode(tf, addr, adr_type),
+    : CallNode(tf, addr, adr_type)
-      _name(name)
   {
     init_class_id(Class_CallRuntime);
+    _name = name;
   }
 
-  const char *_name;            // Printable name, if _method is NULL
   virtual int   Opcode() const;
   virtual void  calling_convention( BasicType* sig_bt, VMRegPair *parm_regs, uint argcnt ) const;
 
@@ -785,8 +788,6 @@ public:
 #ifndef PRODUCT
   virtual void  dump_spec(outputStream *st) const;
 #endif
-  bool is_call_to_arraycopystub() const;
-  virtual bool may_modify(const TypeOopPtr *t_oop, PhaseTransform *phase);
 };
 
 //------------------------------CallLeafNoFPNode-------------------------------

hotspot/src/share/vm/opto/compile.cpp

@@ -3390,9 +3390,6 @@ bool Compile::final_graph_reshaping() {
 bool Compile::too_many_traps(ciMethod* method,
                              int bci,
                              Deoptimization::DeoptReason reason) {
-  if (method->has_injected_profile()) {
-    return false;
-  }
   ciMethodData* md = method->method_data();
   if (md->is_empty()) {
     // Assume the trap has not occurred, or that it occurred only
@@ -3442,9 +3439,6 @@ bool Compile::too_many_traps(Deoptimization::DeoptReason reason,
 bool Compile::too_many_recompiles(ciMethod* method,
                                   int bci,
                                   Deoptimization::DeoptReason reason) {
-  if (method->has_injected_profile()) {
-    return false;
-  }
   ciMethodData* md = method->method_data();
   if (md->is_empty()) {
     // Assume the trap has not occurred, or that it occurred only

hotspot/src/share/vm/opto/library_call.cpp

@@ -6125,8 +6125,6 @@ bool LibraryCallKit::inline_profileBoolean() {
     jint false_cnt = aobj->element_value(0).as_int();
     jint  true_cnt = aobj->element_value(1).as_int();
 
-    method()->set_injected_profile(true);
-
     if (C->log() != NULL) {
       C->log()->elem("observe source='profileBoolean' false='%d' true='%d'",
                      false_cnt, true_cnt);

hotspot/src/share/vm/opto/memnode.cpp

@@ -108,11 +108,10 @@ extern void print_alias_types();
 
 #endif
 
-static bool membar_for_arraycopy_helper(const TypeOopPtr *t_oop, MergeMemNode* mm, PhaseTransform *phase) {
+static bool membar_for_arraycopy_helper(const TypeOopPtr *t_oop, Node* n, PhaseTransform *phase) {
-  if (mm->memory_at(Compile::AliasIdxRaw)->is_Proj()) {
+  if (n->is_Proj()) {
-    Node* n = mm->memory_at(Compile::AliasIdxRaw)->in(0);
+    n = n->in(0);
-    if ((n->is_ArrayCopy() && n->as_ArrayCopy()->may_modify(t_oop, phase)) ||
+    if (n->is_Call() && n->as_Call()->may_modify(t_oop, phase)) {
-        (n->is_CallLeaf() && n->as_CallLeaf()->may_modify(t_oop, phase))) {
       return true;
     }
   }
@@ -121,16 +120,22 @@ static bool membar_for_arraycopy_helper(const TypeOopPtr *t_oop, MergeMemNode* m
 
 static bool membar_for_arraycopy(const TypeOopPtr *t_oop, MemBarNode* mb, PhaseTransform *phase) {
   Node* mem = mb->in(TypeFunc::Memory);
+
   if (mem->is_MergeMem()) {
-    return membar_for_arraycopy_helper(t_oop, mem->as_MergeMem(), phase);
+    Node* n = mem->as_MergeMem()->memory_at(Compile::AliasIdxRaw);
-  } else if (mem->is_Phi()) {
+    if (membar_for_arraycopy_helper(t_oop, n, phase)) {
-    // after macro expansion of an ArrayCopyNode we may have a Phi
+      return true;
-    for (uint i = 1; i < mem->req(); i++) {
+    } else if (n->is_Phi()) {
-      if (mem->in(i) != NULL && mem->in(i)->is_MergeMem() && membar_for_arraycopy_helper(t_oop, mem->in(i)->as_MergeMem(), phase)) {
+      for (uint i = 1; i < n->req(); i++) {
-        return true;
+        if (n->in(i) != NULL) {
+          if (membar_for_arraycopy_helper(t_oop, n->in(i), phase)) {
+            return true;
+          }
+        }
       }
     }
   }
+
   return false;
 }
 

hotspot/src/share/vm/prims/jvmtiRedefineClasses.cpp

@@ -43,6 +43,7 @@
 #include "runtime/deoptimization.hpp"
 #include "runtime/relocator.hpp"
 #include "utilities/bitMap.inline.hpp"
+#include "utilities/events.hpp"
 
 PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC
 
@@ -174,6 +175,9 @@ void VM_RedefineClasses::doit_epilogue() {
   // Free os::malloc allocated memory.
   os::free(_scratch_classes);
 
+  // Reset the_class_oop to null for error printing.
+  _the_class_oop = NULL;
+
   if (RC_TRACE_ENABLED(0x00000004)) {
     // Used to have separate timers for "doit" and "all", but the timer
     // overhead skewed the measurements.
@@ -4105,6 +4109,13 @@ void VM_RedefineClasses::redefine_single_class(jclass the_jclass,
     java_lang_Class::classRedefinedCount(the_class_mirror),
     os::available_memory() >> 10));
 
+  {
+    ResourceMark rm(THREAD);
+    Events::log_redefinition(THREAD, "redefined class name=%s, count=%d",
+                             the_class->external_name(),
+                             java_lang_Class::classRedefinedCount(the_class_mirror));
+
+  }
   RC_TIMER_STOP(_timer_rsc_phase2);
 } // end redefine_single_class()
 
@@ -4249,3 +4260,11 @@ void VM_RedefineClasses::dump_methods() {
     tty->cr();
   }
 }
+
+void VM_RedefineClasses::print_on_error(outputStream* st) const {
+  VM_Operation::print_on_error(st);
+  if (_the_class_oop != NULL) {
+    ResourceMark rm;
+    st->print_cr(", redefining class %s", _the_class_oop->external_name());
+  }
+}

hotspot/src/share/vm/prims/jvmtiRedefineClasses.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -539,5 +539,8 @@ class VM_RedefineClasses: public VM_Operation {
   static unsigned char * get_cached_class_file_bytes(JvmtiCachedClassFileData *cache) {
     return cache == NULL ? NULL : cache->data;
   }
+
+  // Error printing
+  void print_on_error(outputStream* st) const;
 };
 #endif // SHARE_VM_PRIMS_JVMTIREDEFINECLASSES_HPP

hotspot/src/share/vm/prims/whitebox.cpp

@@ -710,6 +710,24 @@ WB_ENTRY(jobject, WB_GetBooleanVMFlag(JNIEnv* env, jobject o, jstring name))
   return NULL;
 WB_END
 
+WB_ENTRY(jobject, WB_GetIntVMFlag(JNIEnv* env, jobject o, jstring name))
+  int result;
+  if (GetVMFlag <int> (thread, env, name, &result, &CommandLineFlags::intAt)) {
+    ThreadToNativeFromVM ttnfv(thread);   // can't be in VM when we call JNI
+    return longBox(thread, env, result);
+  }
+  return NULL;
+WB_END
+
+WB_ENTRY(jobject, WB_GetUintVMFlag(JNIEnv* env, jobject o, jstring name))
+  uint result;
+  if (GetVMFlag <uint> (thread, env, name, &result, &CommandLineFlags::uintAt)) {
+    ThreadToNativeFromVM ttnfv(thread);   // can't be in VM when we call JNI
+    return longBox(thread, env, result);
+  }
+  return NULL;
+WB_END
+
 WB_ENTRY(jobject, WB_GetIntxVMFlag(JNIEnv* env, jobject o, jstring name))
   intx result;
   if (GetVMFlag <intx> (thread, env, name, &result, &CommandLineFlags::intxAt)) {
@@ -771,6 +789,16 @@ WB_ENTRY(void, WB_SetBooleanVMFlag(JNIEnv* env, jobject o, jstring name, jboolea
   SetVMFlag <bool> (thread, env, name, &result, &CommandLineFlags::boolAtPut);
 WB_END
 
+WB_ENTRY(void, WB_SetIntVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
+  int result = value;
+  SetVMFlag <int> (thread, env, name, &result, &CommandLineFlags::intAtPut);
+WB_END
+
+WB_ENTRY(void, WB_SetUintVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
+  uint result = value;
+  SetVMFlag <uint> (thread, env, name, &result, &CommandLineFlags::uintAtPut);
+WB_END
+
 WB_ENTRY(void, WB_SetIntxVMFlag(JNIEnv* env, jobject o, jstring name, jlong value))
   intx result = value;
   SetVMFlag <intx> (thread, env, name, &result, &CommandLineFlags::intxAtPut);
@@ -1336,6 +1364,8 @@ static JNINativeMethod methods[] = {
   {CC"isConstantVMFlag",   CC"(Ljava/lang/String;)Z", (void*)&WB_IsConstantVMFlag},
   {CC"isLockedVMFlag",     CC"(Ljava/lang/String;)Z", (void*)&WB_IsLockedVMFlag},
   {CC"setBooleanVMFlag",   CC"(Ljava/lang/String;Z)V",(void*)&WB_SetBooleanVMFlag},
+  {CC"setIntVMFlag",       CC"(Ljava/lang/String;J)V",(void*)&WB_SetIntVMFlag},
+  {CC"setUintVMFlag",      CC"(Ljava/lang/String;J)V",(void*)&WB_SetUintVMFlag},
   {CC"setIntxVMFlag",      CC"(Ljava/lang/String;J)V",(void*)&WB_SetIntxVMFlag},
   {CC"setUintxVMFlag",     CC"(Ljava/lang/String;J)V",(void*)&WB_SetUintxVMFlag},
   {CC"setUint64VMFlag",    CC"(Ljava/lang/String;J)V",(void*)&WB_SetUint64VMFlag},
@@ -1345,6 +1375,10 @@ static JNINativeMethod methods[] = {
                                                       (void*)&WB_SetStringVMFlag},
   {CC"getBooleanVMFlag",   CC"(Ljava/lang/String;)Ljava/lang/Boolean;",
                                                       (void*)&WB_GetBooleanVMFlag},
+  {CC"getIntVMFlag",       CC"(Ljava/lang/String;)Ljava/lang/Long;",
+                                                      (void*)&WB_GetIntVMFlag},
+  {CC"getUintVMFlag",      CC"(Ljava/lang/String;)Ljava/lang/Long;",
+                                                      (void*)&WB_GetUintVMFlag},
   {CC"getIntxVMFlag",      CC"(Ljava/lang/String;)Ljava/lang/Long;",
                                                       (void*)&WB_GetIntxVMFlag},
   {CC"getUintxVMFlag",     CC"(Ljava/lang/String;)Ljava/lang/Long;",

hotspot/src/share/vm/runtime/arguments.cpp

@@ -586,11 +586,12 @@ static bool set_fp_numeric_flag(char* name, char* value, Flag::Flags origin) {
 
 static bool set_numeric_flag(char* name, char* value, Flag::Flags origin) {
   julong v;
+  int int_v;
   intx intx_v;
   bool is_neg = false;
   // Check the sign first since atomull() parses only unsigned values.
   if (*value == '-') {
-    if (!CommandLineFlags::intxAt(name, &intx_v)) {
+    if (!CommandLineFlags::intxAt(name, &intx_v) && !CommandLineFlags::intAt(name, &int_v)) {
       return false;
     }
     value++;
@@ -599,6 +600,17 @@ static bool set_numeric_flag(char* name, char* value, Flag::Flags origin) {
   if (!atomull(value, &v)) {
     return false;
   }
+  int_v = (int) v;
+  if (is_neg) {
+    int_v = -int_v;
+  }
+  if (CommandLineFlags::intAtPut(name, &int_v, origin)) {
+    return true;
+  }
+  uint uint_v = (uint) v;
+  if (!is_neg && CommandLineFlags::uintAtPut(name, &uint_v, origin)) {
+    return true;
+  }
   intx_v = (intx) v;
   if (is_neg) {
     intx_v = -intx_v;

hotspot/src/share/vm/runtime/deoptimization.cpp

@@ -1460,7 +1460,11 @@ JRT_ENTRY(void, Deoptimization::uncommon_trap_inner(JavaThread* thread, jint tra
     //
     // The other actions cause immediate removal of the present code.
 
-    bool update_trap_state = (reason != Reason_tenured);
+    // Traps caused by injected profile shouldn't pollute trap counts.
+    bool injected_profile_trap = trap_method->has_injected_profile() &&
+                                 (reason == Reason_intrinsic || reason == Reason_unreached);
+
+    bool update_trap_state = (reason != Reason_tenured) && !injected_profile_trap;
     bool make_not_entrant = false;
     bool make_not_compilable = false;
     bool reprofile = false;

hotspot/src/share/vm/runtime/globals.cpp

@@ -93,6 +93,32 @@ void Flag::set_bool(bool value) {
   *((bool*) _addr) = value;
 }
 
+bool Flag::is_int() const {
+  return strcmp(_type, "int")  == 0;
+}
+
+int Flag::get_int() const {
+  return *((int*) _addr);
+}
+
+void Flag::set_int(int value) {
+  check_writable();
+  *((int*) _addr) = value;
+}
+
+bool Flag::is_uint() const {
+  return strcmp(_type, "uint")  == 0;
+}
+
+uint Flag::get_uint() const {
+  return *((uint*) _addr);
+}
+
+void Flag::set_uint(uint value) {
+  check_writable();
+  *((uint*) _addr) = value;
+}
+
 bool Flag::is_intx() const {
   return strcmp(_type, "intx")  == 0;
 }
@@ -316,6 +342,12 @@ void Flag::print_on(outputStream* st, bool withComments) {
   if (is_bool()) {
     st->print("%-16s", get_bool() ? "true" : "false");
   }
+  if (is_int()) {
+    st->print("%-16d", get_int());
+  }
+  if (is_uint()) {
+    st->print("%-16u", get_uint());
+  }
   if (is_intx()) {
     st->print("%-16ld", get_intx());
   }
@@ -411,6 +443,10 @@ void Flag::print_kind(outputStream* st) {
 void Flag::print_as_flag(outputStream* st) {
   if (is_bool()) {
     st->print("-XX:%s%s", get_bool() ? "+" : "-", _name);
+  } else if (is_int()) {
+    st->print("-XX:%s=%d", _name, get_int());
+  } else if (is_uint()) {
+    st->print("-XX:%s=%u", _name, get_uint());
   } else if (is_intx()) {
     st->print("-XX:%s=" INTX_FORMAT, _name, get_intx());
   } else if (is_uintx()) {
@@ -663,6 +699,62 @@ void CommandLineFlagsEx::boolAtPut(CommandLineFlagWithType flag, bool value, Fla
   faddr->set_origin(origin);
 }
 
+bool CommandLineFlags::intAt(const char* name, size_t len, int* value, bool allow_locked, bool return_flag) {
+  Flag* result = Flag::find_flag(name, len, allow_locked, return_flag);
+  if (result == NULL) return false;
+  if (!result->is_int()) return false;
+  *value = result->get_int();
+  return true;
+}
+
+bool CommandLineFlags::intAtPut(const char* name, size_t len, int* value, Flag::Flags origin) {
+  Flag* result = Flag::find_flag(name, len);
+  if (result == NULL) return false;
+  if (!result->is_int()) return false;
+  int old_value = result->get_int();
+  trace_flag_changed<EventIntFlagChanged, s4>(name, old_value, *value, origin);
+  result->set_int(*value);
+  *value = old_value;
+  result->set_origin(origin);
+  return true;
+}
+
+void CommandLineFlagsEx::intAtPut(CommandLineFlagWithType flag, int value, Flag::Flags origin) {
+  Flag* faddr = address_of_flag(flag);
+  guarantee(faddr != NULL && faddr->is_int(), "wrong flag type");
+  trace_flag_changed<EventIntFlagChanged, s4>(faddr->_name, faddr->get_int(), value, origin);
+  faddr->set_int(value);
+  faddr->set_origin(origin);
+}
+
+bool CommandLineFlags::uintAt(const char* name, size_t len, uint* value, bool allow_locked, bool return_flag) {
+  Flag* result = Flag::find_flag(name, len, allow_locked, return_flag);
+  if (result == NULL) return false;
+  if (!result->is_uint()) return false;
+  *value = result->get_uint();
+  return true;
+}
+
+bool CommandLineFlags::uintAtPut(const char* name, size_t len, uint* value, Flag::Flags origin) {
+  Flag* result = Flag::find_flag(name, len);
+  if (result == NULL) return false;
+  if (!result->is_uint()) return false;
+  uint old_value = result->get_uint();
+  trace_flag_changed<EventUnsignedIntFlagChanged, u4>(name, old_value, *value, origin);
+  result->set_uint(*value);
+  *value = old_value;
+  result->set_origin(origin);
+  return true;
+}
+
+void CommandLineFlagsEx::uintAtPut(CommandLineFlagWithType flag, uint value, Flag::Flags origin) {
+  Flag* faddr = address_of_flag(flag);
+  guarantee(faddr != NULL && faddr->is_uint(), "wrong flag type");
+  trace_flag_changed<EventUnsignedIntFlagChanged, u4>(faddr->_name, faddr->get_uint(), value, origin);
+  faddr->set_uint(value);
+  faddr->set_origin(origin);
+}
+
 bool CommandLineFlags::intxAt(const char* name, size_t len, intx* value, bool allow_locked, bool return_flag) {
   Flag* result = Flag::find_flag(name, len, allow_locked, return_flag);
   if (result == NULL) return false;

hotspot/src/share/vm/runtime/globals.hpp

@@ -279,6 +279,14 @@ struct Flag {
   bool get_bool() const;
   void set_bool(bool value);
 
+  bool is_int() const;
+  int get_int() const;
+  void set_int(int value);
+
+  bool is_uint() const;
+  uint get_uint() const;
+  void set_uint(uint value);
+
   bool is_intx() const;
   intx get_intx() const;
   void set_intx(intx value);
@@ -363,13 +371,28 @@ class CounterSetting {
   ~CounterSetting()         { (*counter)--; }
 };
 
+class IntFlagSetting {
+  int val;
+  int* flag;
+ public:
+  IntFlagSetting(int& fl, int newValue) { flag = &fl; val = fl; fl = newValue; }
+  ~IntFlagSetting()                     { *flag = val; }
+};
 
 class UIntFlagSetting {
+  uint val;
+  uint* flag;
+ public:
+  UIntFlagSetting(uint& fl, uint newValue) { flag = &fl; val = fl; fl = newValue; }
+  ~UIntFlagSetting()                       { *flag = val; }
+};
+
+class UIntXFlagSetting {
   uintx val;
   uintx* flag;
  public:
-  UIntFlagSetting(uintx& fl, uintx newValue) { flag = &fl; val = fl; fl = newValue; }
+  UIntXFlagSetting(uintx& fl, uintx newValue) { flag = &fl; val = fl; fl = newValue; }
-  ~UIntFlagSetting()                         { *flag = val; }
+  ~UIntXFlagSetting()                         { *flag = val; }
 };
 
 class DoubleFlagSetting {
@@ -396,6 +419,16 @@ class CommandLineFlags {
   static bool boolAtPut(const char* name, size_t len, bool* value, Flag::Flags origin);
   static bool boolAtPut(const char* name, bool* value, Flag::Flags origin)   { return boolAtPut(name, strlen(name), value, origin); }
 
+  static bool intAt(const char* name, size_t len, int* value, bool allow_locked = false, bool return_flag = false);
+  static bool intAt(const char* name, int* value, bool allow_locked = false, bool return_flag = false)      { return intAt(name, strlen(name), value, allow_locked, return_flag); }
+  static bool intAtPut(const char* name, size_t len, int* value, Flag::Flags origin);
+  static bool intAtPut(const char* name, int* value, Flag::Flags origin)   { return intAtPut(name, strlen(name), value, origin); }
+
+  static bool uintAt(const char* name, size_t len, uint* value, bool allow_locked = false, bool return_flag = false);
+  static bool uintAt(const char* name, uint* value, bool allow_locked = false, bool return_flag = false)      { return uintAt(name, strlen(name), value, allow_locked, return_flag); }
+  static bool uintAtPut(const char* name, size_t len, uint* value, Flag::Flags origin);
+  static bool uintAtPut(const char* name, uint* value, Flag::Flags origin)   { return uintAtPut(name, strlen(name), value, origin); }
+
   static bool intxAt(const char* name, size_t len, intx* value, bool allow_locked = false, bool return_flag = false);
   static bool intxAt(const char* name, intx* value, bool allow_locked = false, bool return_flag = false)      { return intxAt(name, strlen(name), value, allow_locked, return_flag); }
   static bool intxAtPut(const char* name, size_t len, intx* value, Flag::Flags origin);

hotspot/src/share/vm/runtime/globals_extension.hpp

@@ -197,6 +197,8 @@ typedef enum {
 class CommandLineFlagsEx : CommandLineFlags {
  public:
   static void boolAtPut(CommandLineFlagWithType flag, bool value, Flag::Flags origin);
+  static void intAtPut(CommandLineFlagWithType flag, int value, Flag::Flags origin);
+  static void uintAtPut(CommandLineFlagWithType flag, uint value, Flag::Flags origin);
   static void intxAtPut(CommandLineFlagWithType flag, intx value, Flag::Flags origin);
   static void uintxAtPut(CommandLineFlagWithType flag, uintx value, Flag::Flags origin);
   static void uint64_tAtPut(CommandLineFlagWithType flag, uint64_t value, Flag::Flags origin);

hotspot/src/share/vm/runtime/vm_operations.hpp

@@ -192,7 +192,7 @@ class VM_Operation: public CHeapObj<mtInternal> {
   static const char* mode_to_string(Mode mode);
 
   // Debugging
-  void print_on_error(outputStream* st) const;
+  virtual void print_on_error(outputStream* st) const;
   const char* name() const { return _names[type()]; }
   static const char* name(int type) {
     assert(type >= 0 && type < VMOp_Terminating, "invalid VM operation type");

hotspot/src/share/vm/services/management.cpp

@@ -1558,6 +1558,12 @@ bool add_global_entry(JNIEnv* env, Handle name, jmmVMGlobal *global, Flag *flag,
   if (flag->is_bool()) {
     global->value.z = flag->get_bool() ? JNI_TRUE : JNI_FALSE;
     global->type = JMM_VMGLOBAL_TYPE_JBOOLEAN;
+  } else if (flag->is_int()) {
+    global->value.j = (jlong)flag->get_int();
+    global->type = JMM_VMGLOBAL_TYPE_JLONG;
+  } else if (flag->is_uint()) {
+    global->value.j = (jlong)flag->get_uint();
+    global->type = JMM_VMGLOBAL_TYPE_JLONG;
   } else if (flag->is_intx()) {
     global->value.j = (jlong)flag->get_intx();
     global->type = JMM_VMGLOBAL_TYPE_JLONG;

hotspot/src/share/vm/services/writeableFlags.cpp

@@ -44,6 +44,36 @@ int WriteableFlags::set_bool_flag(const char* name, bool value, Flag::Flags orig
   return CommandLineFlags::boolAtPut((char*)name, &value, origin) ? SUCCESS : ERR_OTHER;
 }
 
+// set a int global flag
+int WriteableFlags::set_int_flag(const char* name, const char* arg, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  int value;
+
+  if (sscanf(arg, "%d", &value)) {
+    return set_int_flag(name, value, origin, err_msg);
+  }
+  err_msg.print("flag value must be an integer");
+  return WRONG_FORMAT;
+}
+
+int WriteableFlags::set_int_flag(const char* name, int value, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  return CommandLineFlags::intAtPut((char*)name, &value, origin) ? SUCCESS : ERR_OTHER;
+}
+
+// set a uint global flag
+int WriteableFlags::set_uint_flag(const char* name, const char* arg, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  uint value;
+
+  if (sscanf(arg, "%u", &value)) {
+    return set_uint_flag(name, value, origin, err_msg);
+  }
+  err_msg.print("flag value must be an unsigned integer");
+  return WRONG_FORMAT;
+}
+
+int WriteableFlags::set_uint_flag(const char* name, uint value, Flag::Flags origin, FormatBuffer<80>& err_msg) {
+  return CommandLineFlags::uintAtPut((char*)name, &value, origin) ? SUCCESS : ERR_OTHER;
+}
+
 // set a intx global flag
 int WriteableFlags::set_intx_flag(const char* name, const char* arg, Flag::Flags origin, FormatBuffer<80>& err_msg) {
   intx value;
@@ -173,6 +203,10 @@ int WriteableFlags::set_flag_from_char(Flag* f, const void* value, Flag::Flags o
   }
   if (f->is_bool()) {
     return set_bool_flag(f->_name, flag_value, origin, err_msg);
+  } else if (f->is_int()) {
+    return set_int_flag(f->_name, flag_value, origin, err_msg);
+  } else if (f->is_uint()) {
+    return set_uint_flag(f->_name, flag_value, origin, err_msg);
   } else if (f->is_intx()) {
     return set_intx_flag(f->_name, flag_value, origin, err_msg);
   } else if (f->is_uintx()) {
@@ -195,6 +229,12 @@ int WriteableFlags::set_flag_from_jvalue(Flag* f, const void* value, Flag::Flags
   if (f->is_bool()) {
     bool bvalue = (new_value.z == JNI_TRUE ? true : false);
     return set_bool_flag(f->_name, bvalue, origin, err_msg);
+  } else if (f->is_int()) {
+    int ivalue = (int)new_value.j;
+    return set_int_flag(f->_name, ivalue, origin, err_msg);
+  } else if (f->is_uint()) {
+    uint uvalue = (uint)new_value.j;
+    return set_uint_flag(f->_name, uvalue, origin, err_msg);
   } else if (f->is_intx()) {
     intx ivalue = (intx)new_value.j;
     return set_intx_flag(f->_name, ivalue, origin, err_msg);

hotspot/src/share/vm/services/writeableFlags.hpp

@@ -56,6 +56,10 @@ private:
 
   // set a boolean global flag
   static int set_bool_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a int global flag
+  static int set_int_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a uint global flag
+  static int set_uint_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
   // set a intx global flag
   static int set_intx_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
   // set a uintx global flag
@@ -66,6 +70,10 @@ private:
   static int set_size_t_flag(const char* name, const char* value, Flag::Flags origin, FormatBuffer<80>& err_msg);
   // set a boolean global flag
   static int set_bool_flag(const char* name, bool value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a int global flag
+  static int set_int_flag(const char* name, int value, Flag::Flags origin, FormatBuffer<80>& err_msg);
+  // set a uint global flag
+  static int set_uint_flag(const char* name, uint value, Flag::Flags origin, FormatBuffer<80>& err_msg);
   // set a intx global flag
   static int set_intx_flag(const char* name, intx value, Flag::Flags origin, FormatBuffer<80>& err_msg);
   // set a uintx global flag

hotspot/src/share/vm/trace/trace.xml

@@ -122,6 +122,22 @@ Declares a structure type that can be used in other events.
       <value type="CLASS" field="definingClassLoader" label="Defining Class Loader"/>
     </event>
 
+    <event id="IntFlagChanged" path="vm/flag/int_changed" label="Int Flag Changed"
+          is_instant="true">
+      <value type="UTF8" field="name" label="Name" />
+      <value type="INTEGER" field="old_value" label="Old Value" />
+      <value type="INTEGER" field="new_value" label="New Value" />
+      <value type="FLAGVALUEORIGIN" field="origin" label="Origin" />
+    </event>
+
+    <event id="UnsignedIntFlagChanged" path="vm/flag/uint_changed" label="Unsigned Int Flag Changed"
+          is_instant="true">
+      <value type="UTF8" field="name" label="Name" />
+      <value type="UINT" field="old_value" label="Old Value" />
+      <value type="UINT" field="new_value" label="New Value" />
+      <value type="FLAGVALUEORIGIN" field="origin" label="Origin" />
+    </event>
+
     <event id="LongFlagChanged" path="vm/flag/long_changed" label="Long Flag Changed"
           is_instant="true">
       <value type="UTF8" field="name" label="Name" />

hotspot/src/share/vm/utilities/events.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -37,6 +37,7 @@
 EventLog* Events::_logs = NULL;
 StringEventLog* Events::_messages = NULL;
 StringEventLog* Events::_exceptions = NULL;
+StringEventLog* Events::_redefinitions = NULL;
 StringEventLog* Events::_deopt_messages = NULL;
 
 EventLog::EventLog() {
@@ -66,6 +67,7 @@ void Events::init() {
   if (LogEvents) {
     _messages = new StringEventLog("Events");
     _exceptions = new StringEventLog("Internal exceptions");
+    _redefinitions = new StringEventLog("Classes redefined");
     _deopt_messages = new StringEventLog("Deoptimization events");
   }
 }

hotspot/src/share/vm/utilities/events.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -186,6 +186,9 @@ class Events : AllStatic {
   // Deoptization related messages
   static StringEventLog* _deopt_messages;
 
+  // Redefinition related messages
+  static StringEventLog* _redefinitions;
+
  public:
   static void print_all(outputStream* out);
 
@@ -198,6 +201,8 @@ class Events : AllStatic {
   // Log exception related message
   static void log_exception(Thread* thread, const char* format, ...) ATTRIBUTE_PRINTF(2, 3);
 
+  static void log_redefinition(Thread* thread, const char* format, ...) ATTRIBUTE_PRINTF(2, 3);
+
   static void log_deopt_message(Thread* thread, const char* format, ...) ATTRIBUTE_PRINTF(2, 3);
 
   // Register default loggers
@@ -222,6 +227,15 @@ inline void Events::log_exception(Thread* thread, const char* format, ...) {
   }
 }
 
+inline void Events::log_redefinition(Thread* thread, const char* format, ...) {
+  if (LogEvents) {
+    va_list ap;
+    va_start(ap, format);
+    _redefinitions->logv(thread, format, ap);
+    va_end(ap);
+  }
+}
+
 inline void Events::log_deopt_message(Thread* thread, const char* format, ...) {
   if (LogEvents) {
     va_list ap;

hotspot/test/compiler/arraycopy/TestLoadBypassArrayCopy.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @bug 8086046
+ * @summary load bypasses arraycopy that sets the value after the ArrayCopyNode is expanded
+ * @run main/othervm -XX:-BackgroundCompilation  -XX:-UseOnStackReplacement -XX:CompileCommand=dontinline,TestLoadBypassArrayCopy::test_helper -XX:-TieredCompilation TestLoadBypassArrayCopy
+ *
+ */
+
+public class TestLoadBypassArrayCopy {
+
+    static long i;
+    static boolean test_helper() {
+        i++;
+        if ((i%10) == 0) {
+            return false;
+        }
+        return true;
+    }
+
+    static int test(int[] src, int len, boolean flag) {
+        int[] dest = new int[10];
+        int res = 0;
+        while (test_helper()) {
+            System.arraycopy(src, 0, dest, 0, len);
+            // predicate moved out of loop so control of following
+            // load is not the ArrayCopyNode. Otherwise, if the memory
+            // of the load is changed and the control is set to the
+            // ArrayCopyNode the graph is unschedulable and the test
+            // doesn't fail.
+            if (flag) {
+            }
+            // The memory of this load shouldn't bypass the arraycopy
+            res = dest[0];
+        }
+        return res;
+    }
+
+    static public void main(String[] args) {
+        int[] src = new int[10];
+        src[0] = 0x42;
+        for (int i = 0; i < 20000; i++) {
+            int res = test(src, 10, false);
+            if (res != src[0]) {
+                throw new RuntimeException("test failed");
+            }
+        }
+    }
+}

hotspot/test/compiler/intrinsics/sha/cli/SHAOptionsBase.java

@@ -71,7 +71,7 @@ public class SHAOptionsBase extends CommandLineOptionTest {
      *         instructions required by the option are not supported.
      */
     protected static String getWarningForUnsupportedCPU(String optionName) {
-        if (Platform.isSparc()) {
+        if (Platform.isSparc() || Platform.isAArch64()) {
             switch (optionName) {
                 case SHAOptionsBase.USE_SHA_OPTION:
                     return SHAOptionsBase.SHA_INSTRUCTIONS_ARE_NOT_AVAILABLE;

hotspot/test/compiler/intrinsics/sha/cli/TestUseSHA1IntrinsicsOptionOnSupportedCPU.java

@@ -36,7 +36,7 @@
  */
 public class TestUseSHA1IntrinsicsOptionOnSupportedCPU {
     public static void main(String args[]) throws Throwable {
-        new SHAOptionsBase(new GenericTestCaseForSupportedSparcCPU(
+        new SHAOptionsBase(new GenericTestCaseForSupportedCPU(
                 SHAOptionsBase.USE_SHA1_INTRINSICS_OPTION)).test();
     }
 }

hotspot/test/compiler/intrinsics/sha/cli/TestUseSHA1IntrinsicsOptionOnUnsupportedCPU.java

@@ -40,10 +40,12 @@ public class TestUseSHA1IntrinsicsOptionOnUnsupportedCPU {
         new SHAOptionsBase(
                 new GenericTestCaseForUnsupportedSparcCPU(
                         SHAOptionsBase.USE_SHA1_INTRINSICS_OPTION),
-                new UseSHAIntrinsicsSpecificTestCaseForUnsupportedSparcCPU(
-                        SHAOptionsBase.USE_SHA1_INTRINSICS_OPTION),
                 new GenericTestCaseForUnsupportedX86CPU(
                         SHAOptionsBase.USE_SHA1_INTRINSICS_OPTION),
+                new GenericTestCaseForUnsupportedAArch64CPU(
+                        SHAOptionsBase.USE_SHA1_INTRINSICS_OPTION),
+                new UseSHAIntrinsicsSpecificTestCaseForUnsupportedCPU(
+                        SHAOptionsBase.USE_SHA1_INTRINSICS_OPTION),
                 new GenericTestCaseForOtherCPU(
                         SHAOptionsBase.USE_SHA1_INTRINSICS_OPTION)).test();
     }

hotspot/test/compiler/intrinsics/sha/cli/TestUseSHA256IntrinsicsOptionOnSupportedCPU.java

@@ -37,7 +37,7 @@
  */
 public class TestUseSHA256IntrinsicsOptionOnSupportedCPU {
     public static void main(String args[]) throws Throwable {
-        new SHAOptionsBase(new GenericTestCaseForSupportedSparcCPU(
+        new SHAOptionsBase(new GenericTestCaseForSupportedCPU(
                 SHAOptionsBase.USE_SHA256_INTRINSICS_OPTION)).test();
     }
 }

hotspot/test/compiler/intrinsics/sha/cli/TestUseSHA256IntrinsicsOptionOnUnsupportedCPU.java

@@ -40,10 +40,12 @@ public class TestUseSHA256IntrinsicsOptionOnUnsupportedCPU {
         new SHAOptionsBase(
                 new GenericTestCaseForUnsupportedSparcCPU(
                         SHAOptionsBase.USE_SHA256_INTRINSICS_OPTION),
-                new UseSHAIntrinsicsSpecificTestCaseForUnsupportedSparcCPU(
-                        SHAOptionsBase.USE_SHA256_INTRINSICS_OPTION),
                 new GenericTestCaseForUnsupportedX86CPU(
                         SHAOptionsBase.USE_SHA256_INTRINSICS_OPTION),
+                new GenericTestCaseForUnsupportedAArch64CPU(
+                        SHAOptionsBase.USE_SHA256_INTRINSICS_OPTION),
+                new UseSHAIntrinsicsSpecificTestCaseForUnsupportedCPU(
+                        SHAOptionsBase.USE_SHA256_INTRINSICS_OPTION),
                 new GenericTestCaseForOtherCPU(
                         SHAOptionsBase.USE_SHA256_INTRINSICS_OPTION)).test();
     }

hotspot/test/compiler/intrinsics/sha/cli/TestUseSHA512IntrinsicsOptionOnSupportedCPU.java

@@ -37,7 +37,7 @@
  */
 public class TestUseSHA512IntrinsicsOptionOnSupportedCPU {
     public static void main(String args[]) throws Throwable {
-        new SHAOptionsBase(new GenericTestCaseForSupportedSparcCPU(
+        new SHAOptionsBase(new GenericTestCaseForSupportedCPU(
                 SHAOptionsBase.USE_SHA512_INTRINSICS_OPTION)).test();
     }
 }

hotspot/test/compiler/intrinsics/sha/cli/TestUseSHA512IntrinsicsOptionOnUnsupportedCPU.java

@@ -40,10 +40,12 @@ public class TestUseSHA512IntrinsicsOptionOnUnsupportedCPU {
         new SHAOptionsBase(
                 new GenericTestCaseForUnsupportedSparcCPU(
                         SHAOptionsBase.USE_SHA512_INTRINSICS_OPTION),
-                new UseSHAIntrinsicsSpecificTestCaseForUnsupportedSparcCPU(
-                        SHAOptionsBase.USE_SHA512_INTRINSICS_OPTION),
                 new GenericTestCaseForUnsupportedX86CPU(
                         SHAOptionsBase.USE_SHA512_INTRINSICS_OPTION),
+                new GenericTestCaseForUnsupportedAArch64CPU(
+                        SHAOptionsBase.USE_SHA512_INTRINSICS_OPTION),
+                new UseSHAIntrinsicsSpecificTestCaseForUnsupportedCPU(
+                        SHAOptionsBase.USE_SHA512_INTRINSICS_OPTION),
                 new GenericTestCaseForOtherCPU(
                         SHAOptionsBase.USE_SHA512_INTRINSICS_OPTION)).test();
     }

hotspot/test/compiler/intrinsics/sha/cli/TestUseSHAOptionOnSupportedCPU.java

@@ -37,9 +37,9 @@
 public class TestUseSHAOptionOnSupportedCPU {
     public static void main(String args[]) throws Throwable {
         new SHAOptionsBase(
-                new GenericTestCaseForSupportedSparcCPU(
+                new GenericTestCaseForSupportedCPU(
                         SHAOptionsBase.USE_SHA_OPTION),
-                new UseSHASpecificTestCaseForSupportedSparcCPU(
+                new UseSHASpecificTestCaseForSupportedCPU(
                         SHAOptionsBase.USE_SHA_OPTION)).test();
     }
 }

hotspot/test/compiler/intrinsics/sha/cli/TestUseSHAOptionOnUnsupportedCPU.java

@@ -39,10 +39,12 @@ public class TestUseSHAOptionOnUnsupportedCPU {
         new SHAOptionsBase(
                 new GenericTestCaseForUnsupportedSparcCPU(
                         SHAOptionsBase.USE_SHA_OPTION),
-                new UseSHASpecificTestCaseForUnsupportedSparcCPU(
-                        SHAOptionsBase.USE_SHA_OPTION),
                 new GenericTestCaseForUnsupportedX86CPU(
                         SHAOptionsBase.USE_SHA_OPTION),
+                new GenericTestCaseForUnsupportedAArch64CPU(
+                        SHAOptionsBase.USE_SHA_OPTION),
+                new UseSHASpecificTestCaseForUnsupportedCPU(
+                        SHAOptionsBase.USE_SHA_OPTION),
                 new GenericTestCaseForOtherCPU(
                         SHAOptionsBase.USE_SHA_OPTION)).test();
     }

hotspot/test/compiler/intrinsics/sha/cli/testcases/GenericTestCaseForOtherCPU.java

@@ -35,16 +35,18 @@ public class GenericTestCaseForOtherCPU extends
         SHAOptionsBase.TestCase {
     public GenericTestCaseForOtherCPU(String optionName) {
         // Execute the test case on any CPU except SPARC and X86
-        super(optionName, new NotPredicate(new OrPredicate(Platform::isSparc,
+        super(optionName, new NotPredicate(
-                new OrPredicate(Platform::isX64, Platform::isX86))));
+                new OrPredicate(
+                    new OrPredicate(Platform::isSparc, Platform::isAArch64),
+                    new OrPredicate(Platform::isX64, Platform::isX86))));
     }
 
     @Override
     protected void verifyWarnings() throws Throwable {
         String shouldPassMessage = String.format("JVM should start with "
                 + "option '%s' without any warnings", optionName);
-        // Verify that on non-x86 and non-SPARC CPU usage of SHA-related
+        // Verify that on non-x86, non-SPARC and non-AArch64 CPU usage of
-        // options will not cause any warnings.
+        //  SHA-related options will not cause any warnings.
         CommandLineOptionTest.verifySameJVMStartup(null,
                 new String[] { ".*" + optionName + ".*" }, shouldPassMessage,
                 shouldPassMessage, ExitCode.OK,

hotspot/test/compiler/intrinsics/sha/cli/testcases/GenericTestCaseForSupportedCPU.java

@@ -25,16 +25,19 @@ import jdk.test.lib.ExitCode;
 import jdk.test.lib.Platform;
 import jdk.test.lib.cli.CommandLineOptionTest;
 import jdk.test.lib.cli.predicate.AndPredicate;
+import jdk.test.lib.cli.predicate.OrPredicate;
 
 /**
- * Generic test case for SHA-related options targeted to SPARC CPUs which
+ * Generic test case for SHA-related options targeted to CPUs which
  * support instructions required by the tested option.
  */
-public class GenericTestCaseForSupportedSparcCPU extends
+public class GenericTestCaseForSupportedCPU extends
         SHAOptionsBase.TestCase {
-    public GenericTestCaseForSupportedSparcCPU(String optionName) {
+    public GenericTestCaseForSupportedCPU(String optionName) {
-        super(optionName, new AndPredicate(Platform::isSparc,
+        super(optionName,
-                SHAOptionsBase.getPredicateForOption(optionName)));
+                new AndPredicate(
+                    new OrPredicate(Platform::isSparc, Platform::isAArch64),
+                    SHAOptionsBase.getPredicateForOption(optionName)));
     }
 
     @Override

hotspot/test/compiler/intrinsics/sha/cli/testcases/GenericTestCaseForUnsupportedAArch64CPU.java

@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import jdk.test.lib.ExitCode;
+import jdk.test.lib.Platform;
+import jdk.test.lib.cli.CommandLineOptionTest;
+import jdk.test.lib.cli.predicate.AndPredicate;
+import jdk.test.lib.cli.predicate.NotPredicate;
+
+/**
+ * Generic test case for SHA-related options targeted to AArch64 CPUs
+ * which don't support instruction required by the tested option.
+ */
+public class GenericTestCaseForUnsupportedAArch64CPU extends
+        SHAOptionsBase.TestCase {
+    public GenericTestCaseForUnsupportedAArch64CPU(String optionName) {
+        super(optionName, new AndPredicate(Platform::isAArch64,
+                new NotPredicate(SHAOptionsBase.getPredicateForOption(
+                        optionName))));
+    }
+
+    @Override
+    protected void verifyWarnings() throws Throwable {
+        String shouldPassMessage = String.format("JVM startup should pass with"
+                + "option '-XX:-%s' without any warnings", optionName);
+        //Verify that option could be disabled without any warnings.
+        CommandLineOptionTest.verifySameJVMStartup(null, new String[] {
+                        SHAOptionsBase.getWarningForUnsupportedCPU(optionName)
+                }, shouldPassMessage, shouldPassMessage, ExitCode.OK,
+                CommandLineOptionTest.prepareBooleanFlag(optionName, false));
+
+        shouldPassMessage = String.format("JVM should start with '-XX:+"
+                + "%s' flag, but output should contain warning.", optionName);
+        // Verify that when the tested option is explicitly enabled, then
+        // a warning will occur in VM output.
+        CommandLineOptionTest.verifySameJVMStartup(new String[] {
+                        SHAOptionsBase.getWarningForUnsupportedCPU(optionName)
+                }, null, shouldPassMessage, shouldPassMessage, ExitCode.OK,
+                CommandLineOptionTest.prepareBooleanFlag(optionName, true));
+    }
+
+    @Override
+    protected void verifyOptionValues() throws Throwable {
+        // Verify that option is disabled by default.
+        CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
+                String.format("Option '%s' should be disabled by default",
+                        optionName));
+
+        // Verify that option is disabled even if it was explicitly enabled
+        // using CLI options.
+        CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
+                String.format("Option '%s' should be off on unsupported "
+                        + "AArch64CPU even if set to true directly", optionName),
+                CommandLineOptionTest.prepareBooleanFlag(optionName, true));
+
+        // Verify that option is disabled when +UseSHA was passed to JVM.
+        CommandLineOptionTest.verifyOptionValueForSameVM(optionName, "false",
+                String.format("Option '%s' should be off on unsupported "
+                        + "AArch64CPU even if %s flag set to JVM",
+                        optionName, CommandLineOptionTest.prepareBooleanFlag(
+                            SHAOptionsBase.USE_SHA_OPTION, true)),
+                CommandLineOptionTest.prepareBooleanFlag(
+                        SHAOptionsBase.USE_SHA_OPTION, true));
+    }
+}

hotspot/test/compiler/intrinsics/sha/cli/testcases/UseSHAIntrinsicsSpecificTestCaseForUnsupportedCPU.java

@@ -25,24 +25,26 @@ import jdk.test.lib.ExitCode;
 import jdk.test.lib.Platform;
 import jdk.test.lib.cli.CommandLineOptionTest;
 import jdk.test.lib.cli.predicate.AndPredicate;
+import jdk.test.lib.cli.predicate.OrPredicate;
 import jdk.test.lib.cli.predicate.NotPredicate;
 import sha.predicate.IntrinsicPredicates;
 
 /**
- * Test case specific to UseSHA*Intrinsics options targeted to SPARC CPUs which
+ * Test case specific to UseSHA*Intrinsics options targeted to SPARC and AArch64
- * don't support required instruction, but support other SHA-related
+ * CPUs which don't support required instruction, but support other SHA-related
  * instructions.
  *
  * For example, CPU support sha1 instruction, but don't support sha256 or
  * sha512.
  */
-public class UseSHAIntrinsicsSpecificTestCaseForUnsupportedSparcCPU
+public class UseSHAIntrinsicsSpecificTestCaseForUnsupportedCPU
         extends SHAOptionsBase.TestCase {
-    public UseSHAIntrinsicsSpecificTestCaseForUnsupportedSparcCPU(
+    public UseSHAIntrinsicsSpecificTestCaseForUnsupportedCPU(
             String optionName) {
         // execute test case on SPARC CPU that support any sha* instructions,
         // but does not support sha* instruction required by the tested option.
-        super(optionName, new AndPredicate(Platform::isSparc,
+        super(optionName, new AndPredicate(
+                new OrPredicate(Platform::isSparc, Platform::isAArch64),
                 new AndPredicate(
                         IntrinsicPredicates.ANY_SHA_INSTRUCTION_AVAILABLE,
                         new NotPredicate(SHAOptionsBase.getPredicateForOption(

hotspot/test/compiler/intrinsics/sha/cli/testcases/UseSHASpecificTestCaseForSupportedCPU.java

@@ -26,16 +26,18 @@ import jdk.test.lib.ExitCode;
 import jdk.test.lib.Platform;
 import jdk.test.lib.cli.CommandLineOptionTest;
 import jdk.test.lib.cli.predicate.AndPredicate;
+import jdk.test.lib.cli.predicate.OrPredicate;
 import sha.predicate.IntrinsicPredicates;
 
 /**
- * UseSHA specific test case targeted to SPARC CPUs which support any sha*
+ * UseSHA specific test case targeted to SPARC and AArch64 CPUs which
- * instruction.
+ * support any sha* instruction.
  */
-public class UseSHASpecificTestCaseForSupportedSparcCPU
+public class UseSHASpecificTestCaseForSupportedCPU
         extends SHAOptionsBase.TestCase {
-    public UseSHASpecificTestCaseForSupportedSparcCPU(String optionName) {
+    public UseSHASpecificTestCaseForSupportedCPU(String optionName) {
-        super(SHAOptionsBase.USE_SHA_OPTION, new AndPredicate(Platform::isSparc,
+        super(SHAOptionsBase.USE_SHA_OPTION, new AndPredicate(
+                new OrPredicate(Platform::isSparc, Platform::isAArch64),
                 IntrinsicPredicates.ANY_SHA_INSTRUCTION_AVAILABLE));
 
         Asserts.assertEQ(optionName, SHAOptionsBase.USE_SHA_OPTION,

hotspot/test/compiler/intrinsics/sha/cli/testcases/UseSHASpecificTestCaseForUnsupportedCPU.java

@@ -26,17 +26,19 @@ import jdk.test.lib.ExitCode;
 import jdk.test.lib.Platform;
 import jdk.test.lib.cli.CommandLineOptionTest;
 import jdk.test.lib.cli.predicate.AndPredicate;
+import jdk.test.lib.cli.predicate.OrPredicate;
 import jdk.test.lib.cli.predicate.NotPredicate;
 import sha.predicate.IntrinsicPredicates;
 
 /**
- * UseSHA specific test case targeted to SPARC CPUs which don't support all sha*
+ * UseSHA specific test case targeted to SPARC and AArch64 CPUs which don't
- * instructions.
+ * support all sha* instructions./
  */
-public class UseSHASpecificTestCaseForUnsupportedSparcCPU
+public class UseSHASpecificTestCaseForUnsupportedCPU
         extends SHAOptionsBase.TestCase {
-    public UseSHASpecificTestCaseForUnsupportedSparcCPU(String optionName) {
+    public UseSHASpecificTestCaseForUnsupportedCPU(String optionName) {
-        super(SHAOptionsBase.USE_SHA_OPTION, new AndPredicate(Platform::isSparc,
+        super(SHAOptionsBase.USE_SHA_OPTION, new AndPredicate(
+                new OrPredicate(Platform::isSparc, Platform::isAArch64),
                 new NotPredicate(
                         IntrinsicPredicates.ANY_SHA_INSTRUCTION_AVAILABLE)));
 
@@ -49,7 +51,7 @@ public class UseSHASpecificTestCaseForUnsupportedSparcCPU
     protected void verifyWarnings() throws Throwable {
         // Verify that attempt to use UseSHA option will cause a warning.
         String shouldPassMessage = String.format("JVM startup should pass with"
-                + " '%s' option on unsupported SparcCPU, but there should be"
+                + " '%s' option on unsupported CPU, but there should be"
                 + "the message shown.", optionName);
         CommandLineOptionTest.verifySameJVMStartup(new String[] {
                         SHAOptionsBase.getWarningForUnsupportedCPU(optionName)
@@ -63,7 +65,7 @@ public class UseSHASpecificTestCaseForUnsupportedSparcCPU
         // UseSHA*Intrinsics were enabled.
         CommandLineOptionTest.verifyOptionValueForSameVM(
                 SHAOptionsBase.USE_SHA_OPTION, "false", String.format(
-                    "%s option should be disabled on unsupported SparcCPU"
+                    "%s option should be disabled on unsupported CPU"
                         + " even if all UseSHA*Intrinsics options were enabled.",
                     SHAOptionsBase.USE_SHA_OPTION),
                 CommandLineOptionTest.prepareBooleanFlag(
@@ -77,7 +79,7 @@ public class UseSHASpecificTestCaseForUnsupportedSparcCPU
         // UseSHA*Intrinsics options were enabled and UseSHA was enabled as well.
         CommandLineOptionTest.verifyOptionValueForSameVM(
                 SHAOptionsBase.USE_SHA_OPTION, "false", String.format(
-                    "%s option should be disabled on unsupported SparcCPU"
+                    "%s option should be disabled on unsupported CPU"
                         + " even if all UseSHA*Intrinsics options were enabled"
                         + " and %s was enabled as well",
                     SHAOptionsBase.USE_SHA_OPTION,

hotspot/test/compiler/jsr292/PollutedTrapCounts.java

@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/**
+ * @test
+ * @bug 8074551
+ * @library /testlibrary
+ * @run main PollutedTrapCounts
+ */
+import java.lang.invoke.*;
+import jdk.test.lib.*;
+
+public class PollutedTrapCounts {
+    public static void main(String[] args) throws Exception {
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
+                "-XX:+IgnoreUnrecognizedVMOptions",
+                "-XX:-TieredCompilation", "-Xbatch",
+                "-XX:PerBytecodeRecompilationCutoff=10", "-XX:PerMethodRecompilationCutoff=10",
+                "-XX:+PrintCompilation", "-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintInlining",
+                    "PollutedTrapCounts$Test");
+
+        OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
+
+        analyzer.shouldHaveExitValue(0);
+
+        analyzer.shouldNotContain("not compilable (disabled)");
+    }
+
+    static class Test {
+        public static final MethodHandle test1;
+        public static final MethodHandle test2;
+        public static final MethodHandle empty;
+
+        static {
+            try {
+                Class<?> THIS_CLASS = Test.class;
+                MethodHandles.Lookup LOOKUP = MethodHandles.lookup();
+                test1 = LOOKUP.findStatic(THIS_CLASS, "test1", MethodType.methodType(boolean.class, boolean.class));
+                test2 = LOOKUP.findStatic(THIS_CLASS, "test2", MethodType.methodType(boolean.class, boolean.class));
+                empty = LOOKUP.findStatic(THIS_CLASS, "empty", MethodType.methodType(void.class, boolean.class));
+            } catch(Throwable e) {
+                throw new Error(e);
+            }
+        }
+
+        static boolean test1(boolean b) {
+            return b;
+        }
+        static boolean test2(boolean b) {
+            return true;
+        }
+        static void    empty(boolean b) {}
+
+        static void test(boolean freqValue, boolean removeInlineBlocker) throws Throwable {
+            MethodHandle innerGWT = MethodHandles.guardWithTest(test1, empty, empty);
+            MethodHandle outerGWT = MethodHandles.guardWithTest(test2, innerGWT, innerGWT);
+
+            // Trigger compilation
+            for (int i = 0; i < 20_000; i++) {
+                outerGWT.invokeExact(freqValue);
+            }
+
+            // Trigger deopt & nmethod invalidation
+            outerGWT.invokeExact(!freqValue);
+
+            // Force inline blocker removal on rare-taken path
+            if (removeInlineBlocker) {
+                for (int i = 0; i < 100; i++) {
+                    outerGWT.invokeExact(!freqValue);
+                }
+            }
+
+            // Trigger recompilation
+            for (int i = 0; i < 20_000; i++) {
+                outerGWT.invokeExact(freqValue);
+            }
+        }
+
+        public static void main(String[] args) throws Throwable {
+            boolean freqValue = true;
+            boolean removeInlineBlocker = false;
+            for (int i = 0; i < 20; i++) {
+                test(freqValue, removeInlineBlocker);
+                freqValue = !freqValue;
+                removeInlineBlocker = !removeInlineBlocker;
+            }
+        }
+    }
+}

hotspot/test/compiler/testlibrary/sha/predicate/IntrinsicPredicates.java

@@ -59,16 +59,19 @@ public class IntrinsicPredicates {
     };
 
     public static final BooleanSupplier SHA1_INSTRUCTION_AVAILABLE
-            = new CPUSpecificPredicate("sparc.*", new String[] { "sha1" },
+            = new OrPredicate(
-                    null);
+                    new CPUSpecificPredicate("sparc.*", new String[] { "sha1" },null),
+                    new CPUSpecificPredicate("aarch64.*", new String[] { "sha1" },null));
 
     public static final BooleanSupplier SHA256_INSTRUCTION_AVAILABLE
-            = new CPUSpecificPredicate("sparc.*", new String[] { "sha256" },
+            = new OrPredicate(
-                    null);
+                    new CPUSpecificPredicate("sparc.*", new String[] { "sha256" },null),
+                    new CPUSpecificPredicate("aarch64.*", new String[] { "sha256" },null));
 
     public static final BooleanSupplier SHA512_INSTRUCTION_AVAILABLE
-            = new CPUSpecificPredicate("sparc.*", new String[] { "sha512" },
+            = new OrPredicate(
-                    null);
+                    new CPUSpecificPredicate("sparc.*", new String[] { "sha512" },null),
+                    new CPUSpecificPredicate("aarch64.*", new String[] { "sha512" },null));
 
     public static final BooleanSupplier ANY_SHA_INSTRUCTION_AVAILABLE
             = new OrPredicate(IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE,

hotspot/test/testlibrary_tests/RandomGeneratorTest.java

@@ -32,11 +32,15 @@
  * @run driver RandomGeneratorTest DIFFERENT_SEED
  */
 
-import jdk.test.lib.ProcessTools;
+import java.io.FileWriter;
-import jdk.test.lib.Utils;
+import java.io.IOException;
+import java.io.PrintWriter;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
+import jdk.test.lib.OutputAnalyzer;
+import jdk.test.lib.ProcessTools;
+import jdk.test.lib.Utils;
 
 /**
  * The test verifies correctness of work {@link jdk.test.lib.Utils#getRandomInstance()}.
@@ -59,8 +63,13 @@ public class RandomGeneratorTest {
             jvmArgs.add(optStr);
         }
         jvmArgs.add(RandomRunner.class.getName());
+        String origFileName = seedOpt.name() + "_orig";
+        jvmArgs.add(origFileName);
+        int fileNameIndex = jvmArgs.size() - 1;
         String[] cmdLineArgs = jvmArgs.toArray(new String[jvmArgs.size()]);
-        String etalon = ProcessTools.executeTestJvm(cmdLineArgs).getStdout().trim();
+        ProcessTools.executeTestJvm(cmdLineArgs).shouldHaveExitValue(0);
+        String etalon = Utils.fileAsString(origFileName).trim();
+        cmdLineArgs[fileNameIndex] = seedOpt.name();
         seedOpt.verify(etalon, cmdLineArgs);
     }
 
@@ -121,26 +130,31 @@ public class RandomGeneratorTest {
          * @throws Throwable - Throws an exception in case test failure.
          */
         public void verify(String orig, String[] cmdLine) {
-            String lastLineOrig = getLastLine(orig);
+            String output;
-            String lastLine;
+            OutputAnalyzer oa;
             try {
-                lastLine = getLastLine(ProcessTools.executeTestJvm(cmdLine).getStdout().trim());
+                oa = ProcessTools.executeTestJvm(cmdLine);
             } catch (Throwable t) {
                 throw new Error("TESTBUG: Unexpedted exception during jvm execution.", t);
             }
-            if (!isOutputExpected(lastLineOrig, lastLine)) {
+            oa.shouldHaveExitValue(0);
-                    throw new AssertionError("Unexpected random number sequence for mode: " + this.name());
+            try {
+                output = Utils.fileAsString(name()).trim();
+            } catch (IOException ioe) {
+                throw new Error("TESTBUG: Problem during IO operation with file: " + name(), ioe);
+            }
+            if (!isOutputExpected(orig, output)) {
+                System.err.println("Initial output: " + orig);
+                System.err.println("Second run output: " + output);
+                throw new AssertionError("Unexpected random number sequence for mode: " + this.name());
             }
-        }
-
-        private static String getLastLine(String output) {
-            return output.substring(output.lastIndexOf(Utils.NEW_LINE)).trim();
         }
     }
 
     /**
      * The helper class generates several random numbers
-     * and prints them out.
+     * and put results to a file. The file name came as first
+     * command line argument.
      */
     public static class RandomRunner {
         private static final int COUNT = 10;
@@ -150,7 +164,11 @@ public class RandomGeneratorTest {
             for (int i = 0; i < COUNT; i++) {
                 sb.append(rng.nextLong()).append(' ');
             }
-            System.out.println(sb.toString());
+            try (PrintWriter pw = new PrintWriter(new FileWriter(args[0]))) {
+                pw.write(sb.toString());
+            } catch (IOException ioe) {
+                throw new Error("TESTBUG: Problem during IO operation with file: " + args[0], ioe);
+            }
         }
     }
 }