# HG changeset patch
# User pliden
# Date 1568706662 -7200
# Node ID 4932dce35882d77d79d00480f92d0c3c7f348d74
# Parent  470af058bd5f688fa63f30e6561f571ad889ec73
8230841: Remove oopDesc::equals()
Reviewed-by: rkennke, tschatzl

diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/ci/ciEnv.cpp
--- a/src/hotspot/share/ci/ciEnv.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/ci/ciEnv.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -539,7 +539,7 @@
     // Calculate accessibility the hard way.
     if (!k->is_loaded()) {
       is_accessible = false;
-    } else if (!oopDesc::equals(k->loader(), accessor->loader()) &&
+    } else if (k->loader() != accessor->loader() &&
                get_klass_by_name_impl(accessor, cpool, k->name(), true) == NULL) {
       // Loaded only remotely.  Not linked yet.
       is_accessible = false;
@@ -590,7 +590,7 @@
     index = cpool->object_to_cp_index(cache_index);
     oop obj = cpool->resolved_references()->obj_at(cache_index);
     if (obj != NULL) {
-      if (oopDesc::equals(obj, Universe::the_null_sentinel())) {
+      if (obj == Universe::the_null_sentinel()) {
         return ciConstant(T_OBJECT, get_object(NULL));
       }
       BasicType bt = T_OBJECT;
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/ci/ciObjectFactory.cpp
--- a/src/hotspot/share/ci/ciObjectFactory.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/ci/ciObjectFactory.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -250,7 +250,7 @@
   // into the cache.
   Handle keyHandle(Thread::current(), key);
   ciObject* new_object = create_new_object(keyHandle());
-  assert(oopDesc::equals(keyHandle(), new_object->get_oop()), "must be properly recorded");
+  assert(keyHandle() == new_object->get_oop(), "must be properly recorded");
   init_ident_of(new_object);
   assert(Universe::heap()->is_in(new_object->get_oop()), "must be");
 
@@ -469,8 +469,8 @@
   for (int i=0; i<_unloaded_klasses->length(); i++) {
     ciKlass* entry = _unloaded_klasses->at(i);
     if (entry->name()->equals(name) &&
-        oopDesc::equals(entry->loader(), loader) &&
-        oopDesc::equals(entry->protection_domain(), domain)) {
+        entry->loader() == loader &&
+        entry->protection_domain() == domain) {
       // We've found a match.
       return entry;
     }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/ci/ciObjectFactory.hpp
--- a/src/hotspot/share/ci/ciObjectFactory.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/ci/ciObjectFactory.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -74,7 +74,7 @@
   ciMetadata* create_new_metadata(Metadata* o);
 
   static bool is_equal(NonPermObject* p, oop key) {
-    return oopDesc::equals(p->object()->get_oop(), key);
+    return p->object()->get_oop() == key;
   }
 
   NonPermObject* &find_non_perm(oop key);
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/classfile/classLoaderData.cpp
--- a/src/hotspot/share/classfile/classLoaderData.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/classfile/classLoaderData.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -232,7 +232,7 @@
   VerifyContainsOopClosure(oop target) : _target(target), _found(false) {}
 
   void do_oop(oop* p) {
-    if (p != NULL && oopDesc::equals(NativeAccess<AS_NO_KEEPALIVE>::oop_load(p), _target)) {
+    if (p != NULL && NativeAccess<AS_NO_KEEPALIVE>::oop_load(p) == _target) {
       _found = true;
     }
   }
@@ -433,7 +433,7 @@
 
     // Just return if this dependency is to a class with the same or a parent
     // class_loader.
-    if (oopDesc::equals(from, to) || java_lang_ClassLoader::isAncestor(from, to)) {
+    if (from == to || java_lang_ClassLoader::isAncestor(from, to)) {
       return; // this class loader is in the parent list, no need to add it.
     }
   }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/classfile/classLoaderStats.hpp
--- a/src/hotspot/share/classfile/classLoaderStats.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/classfile/classLoaderStats.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -98,7 +98,7 @@
 class ClassLoaderStatsClosure : public CLDClosure {
 protected:
   static bool oop_equals(oop const& s1, oop const& s2) {
-    return oopDesc::equals(s1, s2);
+    return s1 == s2;
   }
 
   static unsigned oop_hash(oop const& s1) {
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/classfile/dictionary.cpp
--- a/src/hotspot/share/classfile/dictionary.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/classfile/dictionary.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -153,13 +153,13 @@
   // a Dictionary entry, which can be moved if the Dictionary is resized.
   MutexLocker ml(ProtectionDomainSet_lock, Mutex::_no_safepoint_check_flag);
 #ifdef ASSERT
-  if (oopDesc::equals(protection_domain, instance_klass()->protection_domain())) {
+  if (protection_domain == instance_klass()->protection_domain()) {
     // Ensure this doesn't show up in the pd_set (invariant)
     bool in_pd_set = false;
     for (ProtectionDomainEntry* current = pd_set();
                                 current != NULL;
                                 current = current->next()) {
-      if (oopDesc::equals(current->object_no_keepalive(), protection_domain)) {
+      if (current->object_no_keepalive() == protection_domain) {
         in_pd_set = true;
         break;
       }
@@ -171,7 +171,7 @@
   }
 #endif /* ASSERT */
 
-  if (oopDesc::equals(protection_domain, instance_klass()->protection_domain())) {
+  if (protection_domain == instance_klass()->protection_domain()) {
     // Succeeds trivially
     return true;
   }
@@ -179,7 +179,7 @@
   for (ProtectionDomainEntry* current = pd_set();
                               current != NULL;
                               current = current->next()) {
-    if (oopDesc::equals(current->object_no_keepalive(), protection_domain)) return true;
+    if (current->object_no_keepalive() == protection_domain) return true;
   }
   return false;
 }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/classfile/javaClasses.cpp
--- a/src/hotspot/share/classfile/javaClasses.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/classfile/javaClasses.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -878,7 +878,7 @@
   } else {
     assert(Universe::is_module_initialized() ||
            (ModuleEntryTable::javabase_defined() &&
-            (oopDesc::equals(module(), ModuleEntryTable::javabase_moduleEntry()->module()))),
+            (module() == ModuleEntryTable::javabase_moduleEntry()->module())),
            "Incorrect java.lang.Module specification while creating mirror");
     set_module(mirror(), module());
   }
@@ -955,7 +955,7 @@
     }
 
     // set the classLoader field in the java_lang_Class instance
-    assert(oopDesc::equals(class_loader(), k->class_loader()), "should be same");
+    assert(class_loader() == k->class_loader(), "should be same");
     set_class_loader(mirror(), class_loader());
 
     // Setup indirection from klass->mirror
@@ -1510,9 +1510,9 @@
     // Note: create_basic_type_mirror above initializes ak to a non-null value.
     type = ArrayKlass::cast(ak)->element_type();
   } else {
-    assert(oopDesc::equals(java_class, Universe::void_mirror()), "only valid non-array primitive");
+    assert(java_class == Universe::void_mirror(), "only valid non-array primitive");
   }
-  assert(oopDesc::equals(Universe::java_mirror(type), java_class), "must be consistent");
+  assert(Universe::java_mirror(type) == java_class, "must be consistent");
   return type;
 }
 
@@ -3712,14 +3712,14 @@
 }
 
 bool java_lang_invoke_MethodType::equals(oop mt1, oop mt2) {
-  if (oopDesc::equals(mt1, mt2))
+  if (mt1 == mt2)
     return true;
-  if (!oopDesc::equals(rtype(mt1), rtype(mt2)))
+  if (rtype(mt1) != rtype(mt2))
     return false;
   if (ptype_count(mt1) != ptype_count(mt2))
     return false;
   for (int i = ptype_count(mt1) - 1; i >= 0; i--) {
-    if (!oopDesc::equals(ptype(mt1, i), ptype(mt2, i)))
+    if (ptype(mt1, i) != ptype(mt2, i))
       return false;
   }
   return true;
@@ -3933,7 +3933,7 @@
   // This loop taken verbatim from ClassLoader.java:
   do {
     acl = parent(acl);
-    if (oopDesc::equals(cl, acl)) {
+    if (cl == acl) {
       return true;
     }
     assert(++loop_count > 0, "loop_count overflow");
@@ -3963,7 +3963,7 @@
 
   oop cl = SystemDictionary::java_system_loader();
   while(cl != NULL) {
-    if (oopDesc::equals(cl, loader)) return true;
+    if (cl == loader) return true;
     cl = parent(cl);
   }
   return false;
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/classfile/javaClasses.inline.hpp
--- a/src/hotspot/share/classfile/javaClasses.inline.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/classfile/javaClasses.inline.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -52,7 +52,7 @@
 
 // Accessors
 bool java_lang_String::value_equals(typeArrayOop str_value1, typeArrayOop str_value2) {
-  return (oopDesc::equals(str_value1, str_value2) ||
+  return ((str_value1 == str_value2) ||
           (str_value1->length() == str_value2->length() &&
            (!memcmp(str_value1->base(T_BYTE),
                     str_value2->base(T_BYTE),
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/classfile/modules.cpp
--- a/src/hotspot/share/classfile/modules.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/classfile/modules.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -306,7 +306,7 @@
 
   oop loader = java_lang_Module::loader(module_handle());
   // Make sure loader is not the jdk.internal.reflect.DelegatingClassLoader.
-  if (!oopDesc::equals(loader, java_lang_ClassLoader::non_reflection_class_loader(loader))) {
+  if (loader != java_lang_ClassLoader::non_reflection_class_loader(loader)) {
     THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(),
               "Class loader is an invalid delegating class loader");
   }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/classfile/protectionDomainCache.cpp
--- a/src/hotspot/share/classfile/protectionDomainCache.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/classfile/protectionDomainCache.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -160,7 +160,7 @@
 ProtectionDomainCacheEntry* ProtectionDomainCacheTable::find_entry(int index, Handle protection_domain) {
   assert_locked_or_safepoint(SystemDictionary_lock);
   for (ProtectionDomainCacheEntry* e = bucket(index); e != NULL; e = e->next()) {
-    if (oopDesc::equals(e->object_no_keepalive(), protection_domain())) {
+    if (e->object_no_keepalive() == protection_domain()) {
       return e;
     }
   }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/classfile/systemDictionary.cpp
--- a/src/hotspot/share/classfile/systemDictionary.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/classfile/systemDictionary.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -177,7 +177,7 @@
     return false;
   }
   return (class_loader->klass() == SystemDictionary::jdk_internal_loader_ClassLoaders_AppClassLoader_klass() ||
-         oopDesc::equals(class_loader, _java_system_loader));
+         class_loader == _java_system_loader);
 }
 
 // Returns true if the passed class loader is the platform class loader.
@@ -393,7 +393,7 @@
     if ((childk != NULL ) && (is_superclass) &&
         ((quicksuperk = childk->java_super()) != NULL) &&
          ((quicksuperk->name() == super_name) &&
-            (oopDesc::equals(quicksuperk->class_loader(), class_loader())))) {
+            (quicksuperk->class_loader() == class_loader()))) {
            return quicksuperk;
     } else {
       PlaceholderEntry* probe = placeholders()->get_entry(p_index, p_hash, child_name, loader_data);
@@ -542,7 +542,7 @@
   bool calledholdinglock
       = ObjectSynchronizer::current_thread_holds_lock((JavaThread*)THREAD, lockObject);
   assert(calledholdinglock,"must hold lock for notify");
-  assert((!oopDesc::equals(lockObject(), _system_loader_lock_obj) && !is_parallelCapable(lockObject)), "unexpected double_lock_wait");
+  assert((lockObject() != _system_loader_lock_obj && !is_parallelCapable(lockObject)), "unexpected double_lock_wait");
   ObjectSynchronizer::notifyall(lockObject, THREAD);
   intptr_t recursions =  ObjectSynchronizer::complete_exit(lockObject, THREAD);
   SystemDictionary_lock->wait();
@@ -850,7 +850,7 @@
       // If everything was OK (no exceptions, no null return value), and
       // class_loader is NOT the defining loader, do a little more bookkeeping.
       if (!HAS_PENDING_EXCEPTION && k != NULL &&
-        !oopDesc::equals(k->class_loader(), class_loader())) {
+        k->class_loader() != class_loader()) {
 
         check_constraints(d_hash, k, class_loader, false, THREAD);
 
@@ -1003,7 +1003,7 @@
   if (unsafe_anonymous_host != NULL) {
     // Create a new CLD for an unsafe anonymous class, that uses the same class loader
     // as the unsafe_anonymous_host
-    guarantee(oopDesc::equals(unsafe_anonymous_host->class_loader(), class_loader()), "should be the same");
+    guarantee(unsafe_anonymous_host->class_loader() == class_loader(), "should be the same");
     loader_data = ClassLoaderData::unsafe_anonymous_class_loader_data(class_loader);
   } else {
     loader_data = ClassLoaderData::class_loader_data(class_loader());
@@ -1729,7 +1729,7 @@
       == ObjectSynchronizer::owner_other) {
     // contention will likely happen, so increment the corresponding
     // contention counter.
-    if (oopDesc::equals(loader_lock(), _system_loader_lock_obj)) {
+    if (loader_lock() == _system_loader_lock_obj) {
       ClassLoader::sync_systemLoaderLockContentionRate()->inc();
     } else {
       ClassLoader::sync_nonSystemLoaderLockContentionRate()->inc();
@@ -2150,7 +2150,7 @@
       // cleared if revocation occurs too often for this type
       // NOTE that we must only do this when the class is initally
       // defined, not each time it is referenced from a new class loader
-      if (oopDesc::equals(k->class_loader(), class_loader())) {
+      if (k->class_loader() == class_loader()) {
         k->set_prototype_header(markWord::biased_locking_prototype());
       }
     }
@@ -2343,7 +2343,7 @@
                                                Handle loader1, Handle loader2,
                                                bool is_method, TRAPS)  {
   // Nothing to do if loaders are the same.
-  if (oopDesc::equals(loader1(), loader2())) {
+  if (loader1() == loader2()) {
     return NULL;
   }
 
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/code/dependencies.cpp
--- a/src/hotspot/share/code/dependencies.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/code/dependencies.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -1813,12 +1813,12 @@
 
   if (changes == NULL) {
     // Validate all CallSites
-    if (!oopDesc::equals(java_lang_invoke_CallSite::target(call_site), method_handle))
+    if (java_lang_invoke_CallSite::target(call_site) != method_handle)
       return call_site->klass();  // assertion failed
   } else {
     // Validate the given CallSite
-    if (oopDesc::equals(call_site, changes->call_site()) && !oopDesc::equals(java_lang_invoke_CallSite::target(call_site), changes->method_handle())) {
-      assert(!oopDesc::equals(method_handle, changes->method_handle()), "must be");
+    if (call_site == changes->call_site() && java_lang_invoke_CallSite::target(call_site) != changes->method_handle()) {
+      assert(method_handle != changes->method_handle(), "must be");
       return call_site->klass();  // assertion failed
     }
   }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/compiler/compileBroker.cpp
--- a/src/hotspot/share/compiler/compileBroker.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/compiler/compileBroker.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -316,7 +316,7 @@
   // We only allow the last compiler thread of each type to get removed.
   jobject last_compiler = c1 ? CompileBroker::compiler1_object(compiler_count - 1)
                              : CompileBroker::compiler2_object(compiler_count - 1);
-  if (oopDesc::equals(ct->threadObj(), JNIHandles::resolve_non_null(last_compiler))) {
+  if (ct->threadObj() == JNIHandles::resolve_non_null(last_compiler)) {
     if (do_it) {
       assert_locked_or_safepoint(CompileThread_lock); // Update must be consistent.
       compiler->set_num_compiler_threads(compiler_count - 1);
@@ -1687,7 +1687,7 @@
   int compiler_number = 0;
   bool found = false;
   for (; compiler_number < count; compiler_number++) {
-    if (oopDesc::equals(JNIHandles::resolve_non_null(compiler_objects[compiler_number]), compiler_obj)) {
+    if (JNIHandles::resolve_non_null(compiler_objects[compiler_number]) == compiler_obj) {
       found = true;
       break;
     }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/gc/shared/referenceProcessor.cpp
--- a/src/hotspot/share/gc/shared/referenceProcessor.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/gc/shared/referenceProcessor.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -282,7 +282,7 @@
 
   // First _prev_next ref actually points into DiscoveredList (gross).
   oop new_next;
-  if (oopDesc::equals_raw(_next_discovered, _current_discovered)) {
+  if (_next_discovered == _current_discovered) {
     // At the end of the list, we should make _prev point to itself.
     // If _ref is the first ref, then _prev_next will be in the DiscoveredList,
     // and _prev will be NULL.
@@ -472,7 +472,7 @@
 ReferenceProcessor::clear_discovered_references(DiscoveredList& refs_list) {
   oop obj = NULL;
   oop next = refs_list.head();
-  while (!oopDesc::equals_raw(next, obj)) {
+  while (next != obj) {
     obj = next;
     next = java_lang_ref_Reference::discovered(obj);
     java_lang_ref_Reference::set_discovered_raw(obj, NULL);
@@ -744,7 +744,7 @@
         ref_lists[to_idx].inc_length(refs_to_move);
 
         // Remove the chain from the from list.
-        if (oopDesc::equals_raw(move_tail, new_head)) {
+        if (move_tail == new_head) {
           // We found the end of the from list.
           ref_lists[from_idx].set_head(NULL);
         } else {
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/gc/shared/referenceProcessor.hpp
--- a/src/hotspot/share/gc/shared/referenceProcessor.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/gc/shared/referenceProcessor.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -143,13 +143,13 @@
   inline size_t removed() const { return _removed; }
 
   inline void move_to_next() {
-    if (oopDesc::equals_raw(_current_discovered, _next_discovered)) {
+    if (_current_discovered == _next_discovered) {
       // End of the list.
       _current_discovered = NULL;
     } else {
       _current_discovered = _next_discovered;
     }
-    assert(!oopDesc::equals_raw(_current_discovered, _first_seen), "cyclic ref_list found");
+    assert(_current_discovered != _first_seen, "cyclic ref_list found");
     _processed++;
   }
 };
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/gc/shared/stringdedup/stringDedupTable.cpp
--- a/src/hotspot/share/gc/shared/stringdedup/stringDedupTable.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/gc/shared/stringdedup/stringDedupTable.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -363,7 +363,7 @@
   }
 
   typeArrayOop existing_value = lookup_or_add(value, latin1, hash);
-  if (oopDesc::equals_raw(existing_value, value)) {
+  if (existing_value == value) {
     // Same value, already known
     stat->inc_known();
     return;
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/gc/shenandoah/shenandoahAsserts.cpp
--- a/src/hotspot/share/gc/shenandoah/shenandoahAsserts.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahAsserts.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -142,7 +142,7 @@
   if (level >= _safe_oop) {
     oop fwd = (oop) ShenandoahForwarding::get_forwardee_raw_unchecked(obj);
     msg.append("Forwardee:\n");
-    if (!oopDesc::equals_raw(obj, fwd)) {
+    if (obj != fwd) {
       if (level >= _safe_oop_fwd) {
         print_obj(msg, fwd);
       } else {
@@ -157,7 +157,7 @@
   if (level >= _safe_oop_fwd) {
     oop fwd = (oop) ShenandoahForwarding::get_forwardee_raw_unchecked(obj);
     oop fwd2 = (oop) ShenandoahForwarding::get_forwardee_raw_unchecked(fwd);
-    if (!oopDesc::equals_raw(fwd, fwd2)) {
+    if (fwd != fwd2) {
       msg.append("Second forwardee:\n");
       print_obj_safe(msg, fwd2);
       msg.append("\n");
@@ -203,7 +203,7 @@
 
   oop fwd = oop(ShenandoahForwarding::get_forwardee_raw_unchecked(obj));
 
-  if (!oopDesc::equals_raw(obj, fwd)) {
+  if (obj != fwd) {
     // When Full GC moves the objects, we cannot trust fwdptrs. If we got here, it means something
     // tries fwdptr manipulation when Full GC is running. The only exception is using the fwdptr
     // that still points to the object itself.
@@ -235,7 +235,7 @@
 
     // Step 4. Check for multiple forwardings
     oop fwd2 = oop(ShenandoahForwarding::get_forwardee_raw_unchecked(fwd));
-    if (!oopDesc::equals_raw(fwd, fwd2)) {
+    if (fwd != fwd2) {
       print_failure(_safe_all, obj, interior_loc, NULL, "Shenandoah assert_correct failed",
                     "Multiple forwardings",
                     file, line);
@@ -278,7 +278,7 @@
   assert_correct(interior_loc, obj, file, line);
   oop fwd = oop(ShenandoahForwarding::get_forwardee_raw_unchecked(obj));
 
-  if (oopDesc::equals_raw(obj, fwd)) {
+  if (obj == fwd) {
     print_failure(_safe_all, obj, interior_loc, NULL, "Shenandoah assert_forwarded failed",
                   "Object should be forwarded",
                   file, line);
@@ -289,7 +289,7 @@
   assert_correct(interior_loc, obj, file, line);
   oop fwd = oop(ShenandoahForwarding::get_forwardee_raw_unchecked(obj));
 
-  if (!oopDesc::equals_raw(obj, fwd)) {
+  if (obj != fwd) {
     print_failure(_safe_all, obj, interior_loc, NULL, "Shenandoah assert_not_forwarded failed",
                   "Object should not be forwarded",
                   file, line);
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.cpp
--- a/src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -238,7 +238,7 @@
   shenandoah_assert_in_cset(NULL, obj);
 
   oop fwd = resolve_forwarded_not_null(obj);
-  if (oopDesc::equals_raw(obj, fwd)) {
+  if (obj == fwd) {
     ShenandoahEvacOOMScope oom_evac_scope;
 
     Thread* thread = Thread::current();
@@ -267,7 +267,7 @@
       size_t count = 0;
       while ((cur < r->top()) && ctx->is_marked(oop(cur)) && (count++ < max)) {
         oop cur_oop = oop(cur);
-        if (oopDesc::equals_raw(cur_oop, resolve_forwarded_not_null(cur_oop))) {
+        if (cur_oop == resolve_forwarded_not_null(cur_oop)) {
           _heap->evacuate_object(cur_oop, thread);
         }
         cur = cur + cur_oop->size();
@@ -286,7 +286,7 @@
     oop fwd = resolve_forwarded_not_null(obj);
     if (evac_in_progress &&
         _heap->in_collection_set(obj) &&
-        oopDesc::equals_raw(obj, fwd)) {
+        obj == fwd) {
       Thread *t = Thread::current();
       if (t->is_GC_task_thread()) {
         return _heap->evacuate_object(obj, t);
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.inline.hpp
--- a/src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.inline.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahBarrierSet.inline.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -103,7 +103,7 @@
     compare_value = expected;
     res = Raw::oop_atomic_cmpxchg(new_value, addr, compare_value);
     expected = res;
-  } while ((! oopDesc::equals_raw(compare_value, expected)) && oopDesc::equals_raw(resolve_forwarded(compare_value), resolve_forwarded(expected)));
+  } while ((compare_value != expected) && (resolve_forwarded(compare_value) == resolve_forwarded(expected)));
   if (res != NULL) {
     return ShenandoahBarrierSet::barrier_set()->load_reference_barrier_not_null(res);
   } else {
@@ -118,7 +118,7 @@
   oop result = oop_atomic_cmpxchg_not_in_heap(new_value, addr, compare_value);
   const bool keep_alive = (decorators & AS_NO_KEEPALIVE) == 0;
   if (keep_alive && ShenandoahSATBBarrier && !CompressedOops::is_null(result) &&
-      oopDesc::equals_raw(result, compare_value) &&
+      (result == compare_value) &&
       ShenandoahHeap::heap()->is_concurrent_mark_in_progress()) {
     ShenandoahBarrierSet::barrier_set()->enqueue(result);
   }
@@ -307,7 +307,7 @@
     case EVAC_BARRIER:
       if (_heap->in_collection_set(obj)) {
         oop forw = ShenandoahBarrierSet::resolve_forwarded_not_null(obj);
-        if (oopDesc::equals_raw(forw, obj)) {
+        if (forw == obj) {
           forw = _heap->evacuate_object(forw, thread);
         }
         obj = forw;
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/gc/shenandoah/shenandoahClosures.inline.hpp
--- a/src/hotspot/share/gc/shenandoah/shenandoahClosures.inline.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahClosures.inline.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -92,7 +92,7 @@
     if (_heap->in_collection_set(obj)) {
       shenandoah_assert_marked(p, obj);
       oop resolved = ShenandoahBarrierSet::resolve_forwarded_not_null(obj);
-      if (oopDesc::equals_raw(resolved, obj)) {
+      if (resolved == obj) {
         resolved = _heap->evacuate_object(obj, _thread);
       }
       RawAccess<IS_NOT_NULL>::oop_store(p, resolved);
@@ -119,7 +119,7 @@
     if (_heap->in_collection_set(obj)) {
       shenandoah_assert_marked(p, obj);
       oop resolved = ShenandoahBarrierSet::resolve_forwarded_not_null(obj);
-      if (oopDesc::equals_raw(resolved, obj)) {
+      if (resolved == obj) {
         resolved = _heap->evacuate_object(obj, _thread);
       }
 
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp
--- a/src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahHeap.inline.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -113,11 +113,11 @@
     oop heap_oop = CompressedOops::decode_not_null(o);
     if (in_collection_set(heap_oop)) {
       oop forwarded_oop = ShenandoahBarrierSet::resolve_forwarded_not_null(heap_oop);
-      if (oopDesc::equals_raw(forwarded_oop, heap_oop)) {
+      if (forwarded_oop == heap_oop) {
         forwarded_oop = evacuate_object(heap_oop, Thread::current());
       }
       oop prev = cas_oop(forwarded_oop, p, heap_oop);
-      if (oopDesc::equals_raw(prev, heap_oop)) {
+      if (prev == heap_oop) {
         return forwarded_oop;
       } else {
         return NULL;
@@ -146,7 +146,7 @@
 
   if (in_collection_set(heap_oop)) {
     oop forwarded_oop = ShenandoahBarrierSet::resolve_forwarded_not_null(heap_oop);
-    if (oopDesc::equals_raw(forwarded_oop, heap_oop)) {
+    if (forwarded_oop == heap_oop) {
       // E.g. during evacuation.
       return forwarded_oop;
     }
@@ -159,7 +159,7 @@
     // reference be updated later.
     oop witness = cas_oop(forwarded_oop, p, heap_oop);
 
-    if (!oopDesc::equals_raw(witness, heap_oop)) {
+    if (witness != heap_oop) {
       // CAS failed, someone had beat us to it. Normally, we would return the failure witness,
       // because that would be the proper write of to-space object, enforced by strong barriers.
       // However, there is a corner case with arraycopy. It can happen that a Java thread
@@ -279,7 +279,7 @@
   // Try to install the new forwarding pointer.
   oop copy_val = oop(copy);
   oop result = ShenandoahForwarding::try_update_forwardee(p, copy_val);
-  if (oopDesc::equals_raw(result, copy_val)) {
+  if (result == copy_val) {
     // Successfully evacuated. Our copy is now the public one!
     shenandoah_assert_correct(NULL, copy_val);
     return copy_val;
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/gc/shenandoah/shenandoahTaskqueue.hpp
--- a/src/hotspot/share/gc/shenandoah/shenandoahTaskqueue.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahTaskqueue.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -141,11 +141,11 @@
 
 public:
   ObjArrayChunkedTask(oop o = NULL) {
-    assert(oopDesc::equals_raw(decode_oop(encode_oop(o)), o), "oop can be encoded: " PTR_FORMAT, p2i(o));
+    assert(decode_oop(encode_oop(o)) ==  o, "oop can be encoded: " PTR_FORMAT, p2i(o));
     _obj = encode_oop(o);
   }
   ObjArrayChunkedTask(oop o, int chunk, int pow) {
-    assert(oopDesc::equals_raw(decode_oop(encode_oop(o)), o), "oop can be encoded: " PTR_FORMAT, p2i(o));
+    assert(decode_oop(encode_oop(o)) == o, "oop can be encoded: " PTR_FORMAT, p2i(o));
     assert(decode_chunk(encode_chunk(chunk)) == chunk, "chunk can be encoded: %d", chunk);
     assert(decode_pow(encode_pow(pow)) == pow, "pow can be encoded: %d", pow);
     _obj = encode_oop(o) | encode_chunk(chunk) | encode_pow(pow);
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.cpp
--- a/src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -672,7 +672,7 @@
     if (!CompressedOops::is_null(o)) {
       oop obj = CompressedOops::decode_not_null(o);
       oop forw = ShenandoahBarrierSet::resolve_forwarded_not_null(obj);
-      if (!oopDesc::equals_raw(obj, forw)) {
+      if (obj != forw) {
         RawAccess<IS_NOT_NULL>::oop_store(p, forw);
       }
     }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.inline.hpp
--- a/src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.inline.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.inline.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -42,14 +42,14 @@
     oop obj = CompressedOops::decode_not_null(o);
     if (DEGEN) {
       oop forw = ShenandoahBarrierSet::resolve_forwarded_not_null(obj);
-      if (!oopDesc::equals_raw(obj, forw)) {
+      if (obj != forw) {
         // Update reference.
         RawAccess<IS_NOT_NULL>::oop_store(p, forw);
       }
       obj = forw;
     } else if (_heap->in_collection_set(obj)) {
       oop forw = ShenandoahBarrierSet::resolve_forwarded_not_null(obj);
-      if (oopDesc::equals_raw(obj, forw)) {
+      if (obj == forw) {
         forw = _heap->evacuate_object(obj, thread);
       }
       shenandoah_assert_forwarded_except(p, obj, _heap->cancelled_gc());
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/gc/shenandoah/shenandoahVerifier.cpp
--- a/src/hotspot/share/gc/shenandoah/shenandoahVerifier.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/gc/shenandoah/shenandoahVerifier.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -153,7 +153,7 @@
 
     ShenandoahHeapRegion* fwd_reg = NULL;
 
-    if (!oopDesc::equals_raw(obj, fwd)) {
+    if (obj != fwd) {
       check(ShenandoahAsserts::_safe_oop, obj, _heap->is_in(fwd),
              "Forwardee must be in heap");
       check(ShenandoahAsserts::_safe_oop, obj, !CompressedOops::is_null(fwd),
@@ -183,7 +183,7 @@
              "Forwardee end should be within the region");
 
       oop fwd2 = (oop) ShenandoahForwarding::get_forwardee_raw_unchecked(fwd);
-      check(ShenandoahAsserts::_safe_oop, obj, oopDesc::equals_raw(fwd, fwd2),
+      check(ShenandoahAsserts::_safe_oop, obj, (fwd == fwd2),
              "Double forwarding");
     } else {
       fwd_reg = obj_reg;
@@ -212,12 +212,12 @@
         // skip
         break;
       case ShenandoahVerifier::_verify_forwarded_none: {
-        check(ShenandoahAsserts::_safe_all, obj, oopDesc::equals_raw(obj, fwd),
+        check(ShenandoahAsserts::_safe_all, obj, (obj == fwd),
                "Should not be forwarded");
         break;
       }
       case ShenandoahVerifier::_verify_forwarded_allow: {
-        if (!oopDesc::equals_raw(obj, fwd)) {
+        if (obj != fwd) {
           check(ShenandoahAsserts::_safe_all, obj, obj_reg != fwd_reg,
                  "Forwardee should be in another region");
         }
@@ -237,7 +237,7 @@
         break;
       case ShenandoahVerifier::_verify_cset_forwarded:
         if (_heap->in_collection_set(obj)) {
-          check(ShenandoahAsserts::_safe_all, obj, !oopDesc::equals_raw(obj, fwd),
+          check(ShenandoahAsserts::_safe_all, obj, (obj != fwd),
                  "Object in collection set, should have forwardee");
         }
         break;
@@ -952,7 +952,7 @@
     if (!CompressedOops::is_null(o)) {
       oop obj = CompressedOops::decode_not_null(o);
       oop fwd = (oop) ShenandoahForwarding::get_forwardee_raw_unchecked(obj);
-      if (!oopDesc::equals_raw(obj, fwd)) {
+      if (obj != fwd) {
         ShenandoahAsserts::print_failure(ShenandoahAsserts::_safe_all, obj, p, NULL,
                                          "Verify Roots", "Should not be forwarded", __FILE__, __LINE__);
       }
@@ -984,7 +984,7 @@
       }
 
       oop fwd = (oop) ShenandoahForwarding::get_forwardee_raw_unchecked(obj);
-      if (!oopDesc::equals_raw(obj, fwd)) {
+      if (obj != fwd) {
         ShenandoahAsserts::print_failure(ShenandoahAsserts::_safe_all, obj, p, NULL,
                 "Verify Roots In To-Space", "Should not be forwarded", __FILE__, __LINE__);
       }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/interpreter/bytecodeInterpreter.cpp
--- a/src/hotspot/share/interpreter/bytecodeInterpreter.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/interpreter/bytecodeInterpreter.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -2436,7 +2436,7 @@
                   handle_exception);
           result = THREAD->vm_result();
         }
-        if (oopDesc::equals(result, Universe::the_null_sentinel()))
+        if (result == Universe::the_null_sentinel())
           result = NULL;
 
         VERIFY_OOP(result);
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/interpreter/interpreterRuntime.cpp
--- a/src/hotspot/share/interpreter/interpreterRuntime.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/interpreter/interpreterRuntime.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -206,7 +206,7 @@
     if (rindex >= 0) {
       oop coop = m->constants()->resolved_references()->obj_at(rindex);
       oop roop = (result == NULL ? Universe::the_null_sentinel() : result);
-      assert(oopDesc::equals(roop, coop), "expected result for assembly code");
+      assert(roop == coop, "expected result for assembly code");
     }
   }
 #endif
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/jvmci/jvmciCompiler.cpp
--- a/src/hotspot/share/jvmci/jvmciCompiler.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/jvmci/jvmciCompiler.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -123,7 +123,7 @@
     if (excludeModules.not_null()) {
       ModuleEntry* moduleEntry = method->method_holder()->module();
       for (int i = 0; i < excludeModules->length(); i++) {
-        if (oopDesc::equals(excludeModules->obj_at(i), moduleEntry->module())) {
+        if (excludeModules->obj_at(i) == moduleEntry->module()) {
           return true;
         }
       }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/memory/heapShared.hpp
--- a/src/hotspot/share/memory/heapShared.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/memory/heapShared.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -125,7 +125,7 @@
   static bool _archive_heap_region_fixed;
 
   static bool oop_equals(oop const& p1, oop const& p2) {
-    return oopDesc::equals(p1, p2);
+    return p1 == p2;
   }
   static unsigned oop_hash(oop const& p);
 
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/memory/universe.cpp
--- a/src/hotspot/share/memory/universe.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/memory/universe.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -571,13 +571,13 @@
   // preallocated errors with backtrace have been consumed. Also need to avoid
   // a potential loop which could happen if an out of memory occurs when attempting
   // to allocate the backtrace.
-  return ((!oopDesc::equals(throwable(), Universe::_out_of_memory_error_java_heap)) &&
-          (!oopDesc::equals(throwable(), Universe::_out_of_memory_error_metaspace))  &&
-          (!oopDesc::equals(throwable(), Universe::_out_of_memory_error_class_metaspace))  &&
-          (!oopDesc::equals(throwable(), Universe::_out_of_memory_error_array_size)) &&
-          (!oopDesc::equals(throwable(), Universe::_out_of_memory_error_gc_overhead_limit)) &&
-          (!oopDesc::equals(throwable(), Universe::_out_of_memory_error_realloc_objects)) &&
-          (!oopDesc::equals(throwable(), Universe::_out_of_memory_error_retry)));
+  return ((throwable() != Universe::_out_of_memory_error_java_heap) &&
+          (throwable() != Universe::_out_of_memory_error_metaspace)  &&
+          (throwable() != Universe::_out_of_memory_error_class_metaspace)  &&
+          (throwable() != Universe::_out_of_memory_error_array_size) &&
+          (throwable() != Universe::_out_of_memory_error_gc_overhead_limit) &&
+          (throwable() != Universe::_out_of_memory_error_realloc_objects) &&
+          (throwable() != Universe::_out_of_memory_error_retry));
 }
 
 
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/oops/compressedOops.inline.hpp
--- a/src/hotspot/share/oops/compressedOops.inline.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/oops/compressedOops.inline.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -62,7 +62,7 @@
   assert(OopEncodingHeapMax > pd, "change encoding max if new encoding");
   uint64_t result = pd >> shift();
   assert((result & CONST64(0xffffffff00000000)) == 0, "narrow oop overflow");
-  assert(oopDesc::equals_raw(decode(result), v), "reversibility");
+  assert(decode(result) == v, "reversibility");
   return (narrowOop)result;
 }
 
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/oops/constantPool.cpp
--- a/src/hotspot/share/oops/constantPool.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/oops/constantPool.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -866,7 +866,7 @@
   if (cache_index >= 0) {
     result_oop = this_cp->resolved_references()->obj_at(cache_index);
     if (result_oop != NULL) {
-      if (oopDesc::equals(result_oop, Universe::the_null_sentinel())) {
+      if (result_oop == Universe::the_null_sentinel()) {
         DEBUG_ONLY(int temp_index = (index >= 0 ? index : this_cp->object_to_cp_index(cache_index)));
         assert(this_cp->tag_at(temp_index).is_dynamic_constant(), "only condy uses the null sentinel");
         result_oop = NULL;
@@ -1096,12 +1096,12 @@
     } else {
       // Return the winning thread's result.  This can be different than
       // the result here for MethodHandles.
-      if (oopDesc::equals(old_result, Universe::the_null_sentinel()))
+      if (old_result == Universe::the_null_sentinel())
         old_result = NULL;
       return old_result;
     }
   } else {
-    assert(!oopDesc::equals(result_oop, Universe::the_null_sentinel()), "");
+    assert(result_oop != Universe::the_null_sentinel(), "");
     return result_oop;
   }
 }
@@ -1154,7 +1154,7 @@
 oop ConstantPool::string_at_impl(const constantPoolHandle& this_cp, int which, int obj_index, TRAPS) {
   // If the string has already been interned, this entry will be non-null
   oop str = this_cp->resolved_references()->obj_at(obj_index);
-  assert(!oopDesc::equals(str, Universe::the_null_sentinel()), "");
+  assert(str != Universe::the_null_sentinel(), "");
   if (str != NULL) return str;
   Symbol* sym = this_cp->unresolved_string_at(which);
   str = StringTable::intern(sym, CHECK_(NULL));
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/oops/instanceKlass.cpp
--- a/src/hotspot/share/oops/instanceKlass.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/oops/instanceKlass.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -2717,7 +2717,7 @@
   // and package entries. Both must be the same. This rule
   // applies even to classes that are defined in the unnamed
   // package, they still must have the same class loader.
-  if (oopDesc::equals(classloader1, classloader2) && (classpkg1 == classpkg2)) {
+  if ((classloader1 == classloader2) && (classpkg1 == classpkg2)) {
     return true;
   }
 
@@ -2728,7 +2728,7 @@
 // and classname information is enough to determine a class's package
 bool InstanceKlass::is_same_class_package(oop other_class_loader,
                                           const Symbol* other_class_name) const {
-  if (!oopDesc::equals(class_loader(), other_class_loader)) {
+  if (class_loader() != other_class_loader) {
     return false;
   }
   if (name()->fast_compare(other_class_name) == 0) {
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/oops/klassVtable.cpp
--- a/src/hotspot/share/oops/klassVtable.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/oops/klassVtable.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -491,7 +491,7 @@
           // to link to the first super, and we get all the others.
           Handle super_loader(THREAD, super_klass->class_loader());
 
-          if (!oopDesc::equals(target_loader(), super_loader())) {
+          if (target_loader() != super_loader()) {
             ResourceMark rm(THREAD);
             Symbol* failed_type_symbol =
               SystemDictionary::check_signature_loaders(signature, target_loader,
@@ -1237,7 +1237,7 @@
       // if checkconstraints requested
       if (checkconstraints) {
         Handle method_holder_loader (THREAD, target->method_holder()->class_loader());
-        if (!oopDesc::equals(method_holder_loader(), interface_loader())) {
+        if (method_holder_loader() != interface_loader()) {
           ResourceMark rm(THREAD);
           Symbol* failed_type_symbol =
             SystemDictionary::check_signature_loaders(m->signature(),
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/oops/objArrayKlass.cpp
--- a/src/hotspot/share/oops/objArrayKlass.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/oops/objArrayKlass.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -212,7 +212,7 @@
 // Either oop or narrowOop depending on UseCompressedOops.
 void ObjArrayKlass::do_copy(arrayOop s, size_t src_offset,
                             arrayOop d, size_t dst_offset, int length, TRAPS) {
-  if (oopDesc::equals(s, d)) {
+  if (s == d) {
     // since source and destination are equal we do not need conversion checks.
     assert(length > 0, "sanity check");
     ArrayAccess<>::oop_arraycopy(s, src_offset, d, dst_offset, length);
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/oops/oop.hpp
--- a/src/hotspot/share/oops/oop.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/oops/oop.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -150,10 +150,6 @@
     }
   }
 
-  inline static bool equals(oop o1, oop o2) { return equals_raw(o1, o2); }
-
-  inline static bool equals_raw(oop o1, oop o2) { return o1 == o2; }
-
   // Access to fields in a instanceOop through these methods.
   template <DecoratorSet decorator>
   oop obj_field_access(int offset) const;
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/prims/jni.cpp
--- a/src/hotspot/share/prims/jni.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/prims/jni.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -568,7 +568,7 @@
   oop super_mirror = JNIHandles::resolve_non_null(super);
   if (java_lang_Class::is_primitive(sub_mirror) ||
       java_lang_Class::is_primitive(super_mirror)) {
-    jboolean ret = oopDesc::equals(sub_mirror, super_mirror);
+    jboolean ret = (sub_mirror == super_mirror);
 
     HOTSPOT_JNI_ISASSIGNABLEFROM_RETURN(ret);
     return ret;
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/prims/jvm.cpp
--- a/src/hotspot/share/prims/jvm.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/prims/jvm.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -1257,7 +1257,7 @@
       protection_domain = method->method_holder()->protection_domain();
     }
 
-    if ((!oopDesc::equals(previous_protection_domain, protection_domain)) && (protection_domain != NULL)) {
+    if ((previous_protection_domain != protection_domain) && (protection_domain != NULL)) {
       local_array->push(protection_domain);
       previous_protection_domain = protection_domain;
     }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/prims/jvmtiTagMap.cpp
--- a/src/hotspot/share/prims/jvmtiTagMap.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/prims/jvmtiTagMap.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -105,7 +105,7 @@
   }
 
   inline bool equals(oop object) {
-    return oopDesc::equals(object, object_peek());
+    return object == object_peek();
   }
 
   inline JvmtiTagHashmapEntry* next() const        { return _next; }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/prims/methodHandles.cpp
--- a/src/hotspot/share/prims/methodHandles.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/prims/methodHandles.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -1003,7 +1003,7 @@
         if (!java_lang_invoke_MemberName::is_instance(result()))
           return -99;  // caller bug!
         oop saved = MethodHandles::init_field_MemberName(result, st.field_descriptor());
-        if (!oopDesc::equals(saved, result()))
+        if (saved != result())
           results->obj_at_put(rfill-1, saved);  // show saved instance to user
       } else if (++overflow >= overflow_limit) {
         match_flags = 0; break; // got tired of looking at overflow
@@ -1055,7 +1055,7 @@
           return -99;  // caller bug!
         CallInfo info(m, NULL, CHECK_0);
         oop saved = MethodHandles::init_method_MemberName(result, info);
-        if (!oopDesc::equals(saved, result()))
+        if (saved != result())
           results->obj_at_put(rfill-1, saved);  // show saved instance to user
       } else if (++overflow >= overflow_limit) {
         match_flags = 0; break; // got tired of looking at overflow
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/prims/stackwalk.cpp
--- a/src/hotspot/share/prims/stackwalk.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/prims/stackwalk.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -50,7 +50,7 @@
 bool BaseFrameStream::check_magic(objArrayHandle frames_array) {
   oop   m1 = frames_array->obj_at(magic_pos);
   jlong m2 = _anchor;
-  if (oopDesc::equals(m1, _thread->threadObj()) && m2 == address_value())  return true;
+  if (m1 == _thread->threadObj() && m2 == address_value())  return true;
   return false;
 }
 
@@ -81,7 +81,7 @@
 {
   assert(thread != NULL && thread->is_Java_thread(), "");
   oop m1 = frames_array->obj_at(magic_pos);
-  if (!oopDesc::equals(m1, thread->threadObj())) return NULL;
+  if (m1 != thread->threadObj()) return NULL;
   if (magic == 0L)                    return NULL;
   BaseFrameStream* stream = (BaseFrameStream*) (intptr_t) magic;
   if (!stream->is_valid_in(thread, frames_array))   return NULL;
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/prims/unsafe.cpp
--- a/src/hotspot/share/prims/unsafe.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/prims/unsafe.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -935,7 +935,7 @@
   oop p = JNIHandles::resolve(obj);
   assert_field_offset_sane(p, offset);
   oop ret = HeapAccess<ON_UNKNOWN_OOP_REF>::oop_atomic_cmpxchg_at(x, p, (ptrdiff_t)offset, e);
-  return oopDesc::equals(ret, e);
+  return ret == e;
 } UNSAFE_END
 
 UNSAFE_ENTRY(jboolean, Unsafe_CompareAndSetInt(JNIEnv *env, jobject unsafe, jobject obj, jlong offset, jint e, jint x)) {
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/runtime/biasedLocking.cpp
--- a/src/hotspot/share/runtime/biasedLocking.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/runtime/biasedLocking.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -257,7 +257,7 @@
   BasicLock* highest_lock = NULL;
   for (int i = 0; i < cached_monitor_info->length(); i++) {
     MonitorInfo* mon_info = cached_monitor_info->at(i);
-    if (oopDesc::equals(mon_info->owner(), obj)) {
+    if (mon_info->owner() == obj) {
       log_trace(biasedlocking)("   mon_info->owner (" PTR_FORMAT ") == obj (" PTR_FORMAT ")",
                                p2i((void *) mon_info->owner()),
                                p2i((void *) obj));
@@ -693,7 +693,7 @@
   BasicLock* highest_lock = NULL;
   for (int i = 0; i < cached_monitor_info->length(); i++) {
     MonitorInfo* mon_info = cached_monitor_info->at(i);
-    if (oopDesc::equals(mon_info->owner(), obj)) {
+    if (mon_info->owner() == obj) {
       log_trace(biasedlocking)("   mon_info->owner (" PTR_FORMAT ") == obj (" PTR_FORMAT ")",
                                p2i(mon_info->owner()),
                                p2i(obj));
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/runtime/handles.hpp
--- a/src/hotspot/share/runtime/handles.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/runtime/handles.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -79,8 +79,8 @@
   oop     operator () () const                   { return obj(); }
   oop     operator -> () const                   { return non_null_obj(); }
 
-  bool operator == (oop o) const                 { return oopDesc::equals(obj(), o); }
-  bool operator == (const Handle& h) const       { return oopDesc::equals(obj(), h.obj()); }
+  bool operator == (oop o) const                 { return obj() == o; }
+  bool operator == (const Handle& h) const       { return obj() == h.obj(); }
 
   // Null checks
   bool    is_null() const                        { return _handle == NULL; }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/runtime/jniHandles.inline.hpp
--- a/src/hotspot/share/runtime/jniHandles.inline.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/runtime/jniHandles.inline.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -84,7 +84,7 @@
 inline bool JNIHandles::is_same_object(jobject handle1, jobject handle2) {
   oop obj1 = resolve_no_keepalive(handle1);
   oop obj2 = resolve_no_keepalive(handle2);
-  return oopDesc::equals(obj1, obj2);
+  return obj1 == obj2;
 }
 
 inline oop JNIHandles::resolve_non_null(jobject handle) {
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/runtime/synchronizer.cpp
--- a/src/hotspot/share/runtime/synchronizer.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/runtime/synchronizer.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -171,7 +171,7 @@
 
   if (mark.has_monitor()) {
     ObjectMonitor* const mon = mark.monitor();
-    assert(oopDesc::equals((oop) mon->object(), obj), "invariant");
+    assert(mon->object() == obj, "invariant");
     if (mon->owner() != self) return false;  // slow-path for IMS exception
 
     if (mon->first_waiter() != NULL) {
@@ -215,7 +215,7 @@
 
   if (mark.has_monitor()) {
     ObjectMonitor* const m = mark.monitor();
-    assert(oopDesc::equals((oop) m->object(), obj), "invariant");
+    assert(m->object() == obj, "invariant");
     Thread* const owner = (Thread *) m->_owner;
 
     // Lock contention and Transactional Lock Elision (TLE) diagnostics
@@ -1301,7 +1301,7 @@
       ObjectMonitor* inf = mark.monitor();
       markWord dmw = inf->header();
       assert(dmw.is_neutral(), "invariant: header=" INTPTR_FORMAT, dmw.value());
-      assert(oopDesc::equals((oop) inf->object(), object), "invariant");
+      assert(inf->object() == object, "invariant");
       assert(ObjectSynchronizer::verify_objmon_isinpool(inf), "monitor is invalid");
       return inf;
     }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/runtime/vframe.cpp
--- a/src/hotspot/share/runtime/vframe.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/runtime/vframe.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -135,7 +135,7 @@
     //
     // Skip the monitor that the thread is blocked to enter or waiting on
     //
-    if (!found_first_monitor && (oopDesc::equals(obj, pending_obj) || oopDesc::equals(obj, waiting_obj))) {
+    if (!found_first_monitor && (obj == pending_obj || obj == waiting_obj)) {
       continue;
     }
     found_first_monitor = true;
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/services/memoryManager.hpp
--- a/src/hotspot/share/services/memoryManager.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/services/memoryManager.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -70,7 +70,7 @@
 
   int add_pool(MemoryPool* pool);
 
-  bool is_manager(instanceHandle mh)     { return oopDesc::equals(mh(), _memory_mgr_obj); }
+  bool is_manager(instanceHandle mh)     { return mh() == _memory_mgr_obj; }
 
   virtual instanceOop get_memory_manager_instance(TRAPS);
   virtual bool is_gc_memory_manager()    { return false; }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/services/memoryPool.hpp
--- a/src/hotspot/share/services/memoryPool.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/services/memoryPool.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -95,7 +95,7 @@
   // max size could be changed
   virtual size_t max_size()    const       { return _max_size; }
 
-  bool is_pool(instanceHandle pool) { return oopDesc::equals(pool(), _memory_pool_obj); }
+  bool is_pool(instanceHandle pool) { return pool() == _memory_pool_obj; }
 
   bool available_for_allocation()   { return _available_for_allocation; }
   bool set_available_for_allocation(bool value) {
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/services/threadService.cpp
--- a/src/hotspot/share/services/threadService.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/services/threadService.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -680,7 +680,7 @@
     for (int j = 0; j < len; j++) {
       oop monitor = locked_monitors->at(j);
       assert(monitor != NULL, "must be a Java object");
-      if (oopDesc::equals(monitor, object)) {
+      if (monitor == object) {
         found = true;
         break;
       }
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/utilities/exceptions.cpp
--- a/src/hotspot/share/utilities/exceptions.cpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/utilities/exceptions.cpp	Tue Sep 17 09:51:02 2019 +0200
@@ -435,9 +435,9 @@
 volatile int Exceptions::_out_of_memory_error_class_metaspace_errors = 0;
 
 void Exceptions::count_out_of_memory_exceptions(Handle exception) {
-  if (oopDesc::equals(exception(), Universe::out_of_memory_error_metaspace())) {
+  if (exception() == Universe::out_of_memory_error_metaspace()) {
      Atomic::inc(&_out_of_memory_error_metaspace_errors);
-  } else if (oopDesc::equals(exception(), Universe::out_of_memory_error_class_metaspace())) {
+  } else if (exception() == Universe::out_of_memory_error_class_metaspace()) {
      Atomic::inc(&_out_of_memory_error_class_metaspace_errors);
   } else {
      // everything else reported as java heap OOM
diff -r 470af058bd5f -r 4932dce35882 src/hotspot/share/utilities/growableArray.hpp
--- a/src/hotspot/share/utilities/growableArray.hpp	Tue Sep 17 09:51:02 2019 +0200
+++ b/src/hotspot/share/utilities/growableArray.hpp	Tue Sep 17 09:51:02 2019 +0200
@@ -218,15 +218,6 @@
 
   void print();
 
-  inline static bool safe_equals(oop obj1, oop obj2) {
-    return oopDesc::equals(obj1, obj2);
-  }
-
-  template <class X>
-  inline static bool safe_equals(X i1, X i2) {
-    return i1 == i2;
-  }
-
   int append(const E& elem) {
     check_nesting();
     if (_len == _max) grow(_len);
@@ -311,7 +302,7 @@
 
   bool contains(const E& elem) const {
     for (int i = 0; i < _len; i++) {
-      if (safe_equals(_data[i], elem)) return true;
+      if (_data[i] == elem) return true;
     }
     return false;
   }