7018673: Zero: 6953144, 6990754 and 7009756 made some changes which broke Zero

Reviewed-by: kvn, chrisphi, twisti

src/os_cpu/linux_zero/vm/atomic_linux_zero.inline.hpp

 /*
- * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright 2007, 2008 Red Hat, Inc.
+ * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2007, 2008, 2011 Red Hat, Inc.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -300,4 +300,18 @@ inline void* Atomic::cmpxchg_ptr(void* exchange_value,
                               (intptr_t) compare_value);
 }
 
+inline jlong Atomic::load(volatile jlong* src) {
+  volatile jlong dest;
+  os::atomic_copy64(src, &dest);
+  return dest;
+}
+
+inline void Atomic::store(jlong store_value, jlong* dest) {
+  os::atomic_copy64((volatile jlong*)&store_value, (volatile jlong*)dest);
+}
+
+inline void Atomic::store(jlong store_value, volatile jlong* dest) {
+  os::atomic_copy64((volatile jlong*)&store_value, dest);
+}
+
 #endif // OS_CPU_LINUX_ZERO_VM_ATOMIC_LINUX_ZERO_INLINE_HPP

src/share/vm/compiler/compileBroker.cpp

 /*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2011, 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
@@ -768,7 +768,9 @@ CompilerThread* CompileBroker::make_compiler_thread(const char* name, CompileQue
 // Initialize the compilation queue
 void CompileBroker::init_compiler_threads(int c1_compiler_count, int c2_compiler_count) {
   EXCEPTION_MARK;
+#ifndef ZERO
   assert(c2_compiler_count > 0 || c1_compiler_count > 0, "No compilers?");
+#endif // !ZERO
   if (c2_compiler_count > 0) {
     _c2_method_queue  = new CompileQueue("C2MethodQueue",  MethodCompileQueue_lock);
   }

src/share/vm/interpreter/bytecodeInterpreter.cpp

@@ -1936,7 +1936,7 @@ run:
         constantPoolOop constants = istate->method()->constants();
         if (!constants->tag_at(index).is_unresolved_klass()) {
           // Make sure klass is initialized and doesn't have a finalizer
-          oop entry = (klassOop) *constants->obj_at_addr(index);
+          oop entry = constants->slot_at(index).get_oop();
           assert(entry->is_klass(), "Should be resolved klass");
           klassOop k_entry = (klassOop) entry;
           assert(k_entry->klass_part()->oop_is_instance(), "Should be instanceKlass");
@@ -2026,7 +2026,7 @@ run:
             if (METHOD->constants()->tag_at(index).is_unresolved_klass()) {
               CALL_VM(InterpreterRuntime::quicken_io_cc(THREAD), handle_exception);
             }
-            klassOop klassOf = (klassOop) *(METHOD->constants()->obj_at_addr(index));
+            klassOop klassOf = (klassOop) METHOD->constants()->slot_at(index).get_oop();
             klassOop objKlassOop = STACK_OBJECT(-1)->klass(); //ebx
             //
             // Check for compatibilty. This check must not GC!!
@@ -2061,7 +2061,7 @@ run:
             if (METHOD->constants()->tag_at(index).is_unresolved_klass()) {
               CALL_VM(InterpreterRuntime::quicken_io_cc(THREAD), handle_exception);
             }
-            klassOop klassOf = (klassOop) *(METHOD->constants()->obj_at_addr(index));
+            klassOop klassOf = (klassOop) METHOD->constants()->slot_at(index).get_oop();
             klassOop objKlassOop = STACK_OBJECT(-1)->klass();
             //
             // Check for compatibilty. This check must not GC!!

src/share/vm/oops/methodOop.cpp

@@ -934,7 +934,7 @@ methodHandle methodOopDesc::make_invoke_method(KlassHandle holder,
   assert(m->signature() == signature, "");
   assert(m->is_method_handle_invoke(), "");
 #ifdef CC_INTERP
-  ResultTypeFinder rtf(signature());
+  ResultTypeFinder rtf(signature);
   m->set_result_index(rtf.type());
 #endif
   m->compute_size_of_parameters(THREAD);