changeset 29578:0d3bd11f9e02

8074717: Merge interp_masm files for x86 _32 and _64 Summary: Merge interp_masm_x86 files into one. Reviewed-by: sspitsyn, hseigel, mockner
author coleenp
date Fri, 13 Mar 2015 15:16:07 -0400
parents 437742bd5a1b
children 9ff6780f640a
files hotspot/src/cpu/x86/vm/interp_masm_x86.cpp hotspot/src/cpu/x86/vm/interp_masm_x86.hpp hotspot/src/cpu/x86/vm/interp_masm_x86_32.cpp hotspot/src/cpu/x86/vm/interp_masm_x86_32.hpp hotspot/src/cpu/x86/vm/interp_masm_x86_64.cpp hotspot/src/cpu/x86/vm/interp_masm_x86_64.hpp
diffstat 6 files changed, 1897 insertions(+), 3422 deletions(-) [+]
line wrap: on
line diff
--- a/hotspot/src/cpu/x86/vm/interp_masm_x86.cpp	Fri Mar 13 09:18:28 2015 -0700
+++ b/hotspot/src/cpu/x86/vm/interp_masm_x86.cpp	Fri Mar 13 15:16:07 2015 -0400
@@ -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
@@ -25,7 +25,20 @@
 #include "precompiled.hpp"
 #include "interp_masm_x86.hpp"
 #include "interpreter/interpreter.hpp"
+#include "interpreter/interpreterRuntime.hpp"
+#include "oops/arrayOop.hpp"
+#include "oops/markOop.hpp"
 #include "oops/methodData.hpp"
+#include "oops/method.hpp"
+#include "prims/jvmtiExport.hpp"
+#include "prims/jvmtiRedefineClassesTrace.hpp"
+#include "prims/jvmtiThreadState.hpp"
+#include "runtime/basicLock.hpp"
+#include "runtime/biasedLocking.hpp"
+#include "runtime/sharedRuntime.hpp"
+#include "runtime/thread.inline.hpp"
+
+// Implementation of InterpreterMacroAssembler
 
 #ifndef CC_INTERP
 void InterpreterMacroAssembler::profile_obj_type(Register obj, const Address& mdo_addr) {
@@ -227,3 +240,1637 @@
   }
 }
 #endif
+
+#ifdef CC_INTERP
+void InterpreterMacroAssembler::get_method(Register reg) {
+  movptr(reg, Address(rbp, -(sizeof(BytecodeInterpreter) + 2 * wordSize)));
+  movptr(reg, Address(reg, byte_offset_of(BytecodeInterpreter, _method)));
+}
+#endif // CC_INTERP
+
+#ifndef CC_INTERP
+void InterpreterMacroAssembler::call_VM_leaf_base(address entry_point,
+                                                  int number_of_arguments) {
+  // interpreter specific
+  //
+  // Note: No need to save/restore bcp & locals registers
+  //       since these are callee saved registers and no blocking/
+  //       GC can happen in leaf calls.
+  // Further Note: DO NOT save/restore bcp/locals. If a caller has
+  // already saved them so that it can use rsi/rdi as temporaries
+  // then a save/restore here will DESTROY the copy the caller
+  // saved! There used to be a save_bcp() that only happened in
+  // the ASSERT path (no restore_bcp). Which caused bizarre failures
+  // when jvm built with ASSERTs.
+#ifdef ASSERT
+  {
+    Label L;
+    cmpptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
+    jcc(Assembler::equal, L);
+    stop("InterpreterMacroAssembler::call_VM_leaf_base:"
+         " last_sp != NULL");
+    bind(L);
+  }
+#endif
+  // super call
+  MacroAssembler::call_VM_leaf_base(entry_point, number_of_arguments);
+  // interpreter specific
+  // LP64: Used to ASSERT that r13/r14 were equal to frame's bcp/locals
+  // but since they may not have been saved (and we don't want to
+  // save them here (see note above) the assert is invalid.
+}
+
+void InterpreterMacroAssembler::call_VM_base(Register oop_result,
+                                             Register java_thread,
+                                             Register last_java_sp,
+                                             address  entry_point,
+                                             int      number_of_arguments,
+                                             bool     check_exceptions) {
+  // interpreter specific
+  //
+  // Note: Could avoid restoring locals ptr (callee saved) - however doesn't
+  //       really make a difference for these runtime calls, since they are
+  //       slow anyway. Btw., bcp must be saved/restored since it may change
+  //       due to GC.
+  NOT_LP64(assert(java_thread == noreg , "not expecting a precomputed java thread");)
+  save_bcp();
+#ifdef ASSERT
+  {
+    Label L;
+    cmpptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
+    jcc(Assembler::equal, L);
+    stop("InterpreterMacroAssembler::call_VM_leaf_base:"
+         " last_sp != NULL");
+    bind(L);
+  }
+#endif /* ASSERT */
+  // super call
+  MacroAssembler::call_VM_base(oop_result, noreg, last_java_sp,
+                               entry_point, number_of_arguments,
+                               check_exceptions);
+  // interpreter specific
+  restore_bcp();
+  restore_locals();
+}
+
+void InterpreterMacroAssembler::check_and_handle_popframe(Register java_thread) {
+  if (JvmtiExport::can_pop_frame()) {
+    Label L;
+    // Initiate popframe handling only if it is not already being
+    // processed.  If the flag has the popframe_processing bit set, it
+    // means that this code is called *during* popframe handling - we
+    // don't want to reenter.
+    // This method is only called just after the call into the vm in
+    // call_VM_base, so the arg registers are available.
+    Register pop_cond = NOT_LP64(java_thread) // Not clear if any other register is available on 32 bit
+                        LP64_ONLY(c_rarg0);
+    movl(pop_cond, Address(java_thread, JavaThread::popframe_condition_offset()));
+    testl(pop_cond, JavaThread::popframe_pending_bit);
+    jcc(Assembler::zero, L);
+    testl(pop_cond, JavaThread::popframe_processing_bit);
+    jcc(Assembler::notZero, L);
+    // Call Interpreter::remove_activation_preserving_args_entry() to get the
+    // address of the same-named entrypoint in the generated interpreter code.
+    call_VM_leaf(CAST_FROM_FN_PTR(address, Interpreter::remove_activation_preserving_args_entry));
+    jmp(rax);
+    bind(L);
+    NOT_LP64(get_thread(java_thread);)
+  }
+}
+
+void InterpreterMacroAssembler::load_earlyret_value(TosState state) {
+  Register thread = LP64_ONLY(r15_thread) NOT_LP64(rcx);
+  NOT_LP64(get_thread(thread);)
+  movptr(rcx, Address(thread, JavaThread::jvmti_thread_state_offset()));
+  const Address tos_addr(rcx, JvmtiThreadState::earlyret_tos_offset());
+  const Address oop_addr(rcx, JvmtiThreadState::earlyret_oop_offset());
+  const Address val_addr(rcx, JvmtiThreadState::earlyret_value_offset());
+#ifdef _LP64
+  switch (state) {
+    case atos: movptr(rax, oop_addr);
+               movptr(oop_addr, (int32_t)NULL_WORD);
+               verify_oop(rax, state);              break;
+    case ltos: movptr(rax, val_addr);                 break;
+    case btos:                                   // fall through
+    case ctos:                                   // fall through
+    case stos:                                   // fall through
+    case itos: movl(rax, val_addr);                 break;
+    case ftos: movflt(xmm0, val_addr);              break;
+    case dtos: movdbl(xmm0, val_addr);              break;
+    case vtos: /* nothing to do */                  break;
+    default  : ShouldNotReachHere();
+  }
+  // Clean up tos value in the thread object
+  movl(tos_addr,  (int) ilgl);
+  movl(val_addr,  (int32_t) NULL_WORD);
+#else
+  const Address val_addr1(rcx, JvmtiThreadState::earlyret_value_offset()
+                             + in_ByteSize(wordSize));
+  switch (state) {
+    case atos: movptr(rax, oop_addr);
+               movptr(oop_addr, NULL_WORD);
+               verify_oop(rax, state);                break;
+    case ltos:
+               movl(rdx, val_addr1);               // fall through
+    case btos:                                     // fall through
+    case ctos:                                     // fall through
+    case stos:                                     // fall through
+    case itos: movl(rax, val_addr);                   break;
+    case ftos: fld_s(val_addr);                       break;
+    case dtos: fld_d(val_addr);                       break;
+    case vtos: /* nothing to do */                    break;
+    default  : ShouldNotReachHere();
+  }
+#endif // _LP64
+  // Clean up tos value in the thread object
+  movl(tos_addr,  (int32_t) ilgl);
+  movptr(val_addr,  NULL_WORD);
+  NOT_LP64(movptr(val_addr1, NULL_WORD);)
+}
+
+
+void InterpreterMacroAssembler::check_and_handle_earlyret(Register java_thread) {
+  if (JvmtiExport::can_force_early_return()) {
+    Label L;
+    Register tmp = LP64_ONLY(c_rarg0) NOT_LP64(java_thread);
+    Register rthread = LP64_ONLY(r15_thread) NOT_LP64(java_thread);
+
+    movptr(tmp, Address(rthread, JavaThread::jvmti_thread_state_offset()));
+    testptr(tmp, tmp);
+    jcc(Assembler::zero, L); // if (thread->jvmti_thread_state() == NULL) exit;
+
+    // Initiate earlyret handling only if it is not already being processed.
+    // If the flag has the earlyret_processing bit set, it means that this code
+    // is called *during* earlyret handling - we don't want to reenter.
+    movl(tmp, Address(tmp, JvmtiThreadState::earlyret_state_offset()));
+    cmpl(tmp, JvmtiThreadState::earlyret_pending);
+    jcc(Assembler::notEqual, L);
+
+    // Call Interpreter::remove_activation_early_entry() to get the address of the
+    // same-named entrypoint in the generated interpreter code.
+    NOT_LP64(get_thread(java_thread);)
+    movptr(tmp, Address(rthread, JavaThread::jvmti_thread_state_offset()));
+#ifdef _LP64
+    movl(tmp, Address(tmp, JvmtiThreadState::earlyret_tos_offset()));
+    call_VM_leaf(CAST_FROM_FN_PTR(address, Interpreter::remove_activation_early_entry), tmp);
+#else
+    pushl(Address(tmp, JvmtiThreadState::earlyret_tos_offset()));
+    call_VM_leaf(CAST_FROM_FN_PTR(address, Interpreter::remove_activation_early_entry), 1);
+#endif // _LP64
+    jmp(rax);
+    bind(L);
+    NOT_LP64(get_thread(java_thread);)
+  }
+}
+
+void InterpreterMacroAssembler::get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset) {
+  assert(bcp_offset >= 0, "bcp is still pointing to start of bytecode");
+  load_unsigned_short(reg, Address(_bcp_register, bcp_offset));
+  bswapl(reg);
+  shrl(reg, 16);
+}
+
+void InterpreterMacroAssembler::get_cache_index_at_bcp(Register index,
+                                                       int bcp_offset,
+                                                       size_t index_size) {
+  assert(bcp_offset > 0, "bcp is still pointing to start of bytecode");
+  if (index_size == sizeof(u2)) {
+    load_unsigned_short(index, Address(_bcp_register, bcp_offset));
+  } else if (index_size == sizeof(u4)) {
+    movl(index, Address(_bcp_register, bcp_offset));
+    // Check if the secondary index definition is still ~x, otherwise
+    // we have to change the following assembler code to calculate the
+    // plain index.
+    assert(ConstantPool::decode_invokedynamic_index(~123) == 123, "else change next line");
+    notl(index);  // convert to plain index
+  } else if (index_size == sizeof(u1)) {
+    load_unsigned_byte(index, Address(_bcp_register, bcp_offset));
+  } else {
+    ShouldNotReachHere();
+  }
+}
+
+void InterpreterMacroAssembler::get_cache_and_index_at_bcp(Register cache,
+                                                           Register index,
+                                                           int bcp_offset,
+                                                           size_t index_size) {
+  assert_different_registers(cache, index);
+  get_cache_index_at_bcp(index, bcp_offset, index_size);
+  movptr(cache, Address(rbp, frame::interpreter_frame_cache_offset * wordSize));
+  assert(sizeof(ConstantPoolCacheEntry) == 4 * wordSize, "adjust code below");
+  // convert from field index to ConstantPoolCacheEntry index
+  assert(exact_log2(in_words(ConstantPoolCacheEntry::size())) == 2, "else change next line");
+  shll(index, 2);
+}
+
+void InterpreterMacroAssembler::get_cache_and_index_and_bytecode_at_bcp(Register cache,
+                                                                        Register index,
+                                                                        Register bytecode,
+                                                                        int byte_no,
+                                                                        int bcp_offset,
+                                                                        size_t index_size) {
+  get_cache_and_index_at_bcp(cache, index, bcp_offset, index_size);
+  // We use a 32-bit load here since the layout of 64-bit words on
+  // little-endian machines allow us that.
+  movl(bytecode, Address(cache, index, Address::times_ptr, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::indices_offset()));
+  const int shift_count = (1 + byte_no) * BitsPerByte;
+  assert((byte_no == TemplateTable::f1_byte && shift_count == ConstantPoolCacheEntry::bytecode_1_shift) ||
+         (byte_no == TemplateTable::f2_byte && shift_count == ConstantPoolCacheEntry::bytecode_2_shift),
+         "correct shift count");
+  shrl(bytecode, shift_count);
+  assert(ConstantPoolCacheEntry::bytecode_1_mask == ConstantPoolCacheEntry::bytecode_2_mask, "common mask");
+  andl(bytecode, ConstantPoolCacheEntry::bytecode_1_mask);
+}
+
+void InterpreterMacroAssembler::get_cache_entry_pointer_at_bcp(Register cache,
+                                                               Register tmp,
+                                                               int bcp_offset,
+                                                               size_t index_size) {
+  assert(cache != tmp, "must use different register");
+  get_cache_index_at_bcp(tmp, bcp_offset, index_size);
+  assert(sizeof(ConstantPoolCacheEntry) == 4 * wordSize, "adjust code below");
+  // convert from field index to ConstantPoolCacheEntry index
+  // and from word offset to byte offset
+  assert(exact_log2(in_bytes(ConstantPoolCacheEntry::size_in_bytes())) == 2 + LogBytesPerWord, "else change next line");
+  shll(tmp, 2 + LogBytesPerWord);
+  movptr(cache, Address(rbp, frame::interpreter_frame_cache_offset * wordSize));
+  // skip past the header
+  addptr(cache, in_bytes(ConstantPoolCache::base_offset()));
+  addptr(cache, tmp);  // construct pointer to cache entry
+}
+
+// Load object from cpool->resolved_references(index)
+void InterpreterMacroAssembler::load_resolved_reference_at_index(
+                                           Register result, Register index) {
+  assert_different_registers(result, index);
+  // convert from field index to resolved_references() index and from
+  // word index to byte offset. Since this is a java object, it can be compressed
+  Register tmp = index;  // reuse
+  shll(tmp, LogBytesPerHeapOop);
+
+  get_constant_pool(result);
+  // load pointer for resolved_references[] objArray
+  movptr(result, Address(result, ConstantPool::resolved_references_offset_in_bytes()));
+  // JNIHandles::resolve(obj);
+  movptr(result, Address(result, 0));
+  // Add in the index
+  addptr(result, tmp);
+  load_heap_oop(result, Address(result, arrayOopDesc::base_offset_in_bytes(T_OBJECT)));
+}
+
+
+// Generate a subtype check: branch to ok_is_subtype if sub_klass is a
+// subtype of super_klass.
+//
+// Args:
+//      rax: superklass
+//      Rsub_klass: subklass
+//
+// Kills:
+//      rcx, rdi
+void InterpreterMacroAssembler::gen_subtype_check(Register Rsub_klass,
+                                                  Label& ok_is_subtype) {
+  assert(Rsub_klass != rax, "rax holds superklass");
+  LP64_ONLY(assert(Rsub_klass != r14, "r14 holds locals");)
+  LP64_ONLY(assert(Rsub_klass != r13, "r13 holds bcp");)
+  assert(Rsub_klass != rcx, "rcx holds 2ndary super array length");
+  assert(Rsub_klass != rdi, "rdi holds 2ndary super array scan ptr");
+
+  // Profile the not-null value's klass.
+  profile_typecheck(rcx, Rsub_klass, rdi); // blows rcx, reloads rdi
+
+  // Do the check.
+  check_klass_subtype(Rsub_klass, rax, rcx, ok_is_subtype); // blows rcx
+
+  // Profile the failure of the check.
+  profile_typecheck_failed(rcx); // blows rcx
+}
+
+
+#ifndef _LP64
+void InterpreterMacroAssembler::f2ieee() {
+  if (IEEEPrecision) {
+    fstp_s(Address(rsp, 0));
+    fld_s(Address(rsp, 0));
+  }
+}
+
+
+void InterpreterMacroAssembler::d2ieee() {
+  if (IEEEPrecision) {
+    fstp_d(Address(rsp, 0));
+    fld_d(Address(rsp, 0));
+  }
+}
+#endif // _LP64
+
+// Java Expression Stack
+
+void InterpreterMacroAssembler::pop_ptr(Register r) {
+  pop(r);
+}
+
+void InterpreterMacroAssembler::push_ptr(Register r) {
+  push(r);
+}
+
+void InterpreterMacroAssembler::push_i(Register r) {
+  push(r);
+}
+
+#ifdef _LP64
+void InterpreterMacroAssembler::pop_i(Register r) {
+  // XXX can't use pop currently, upper half non clean
+  movl(r, Address(rsp, 0));
+  addptr(rsp, wordSize);
+}
+
+void InterpreterMacroAssembler::pop_l(Register r) {
+  movq(r, Address(rsp, 0));
+  addptr(rsp, 2 * Interpreter::stackElementSize);
+}
+
+void InterpreterMacroAssembler::pop_f(XMMRegister r) {
+  movflt(r, Address(rsp, 0));
+  addptr(rsp, wordSize);
+}
+
+void InterpreterMacroAssembler::pop_d(XMMRegister r) {
+  movdbl(r, Address(rsp, 0));
+  addptr(rsp, 2 * Interpreter::stackElementSize);
+}
+
+void InterpreterMacroAssembler::push_l(Register r) {
+  subptr(rsp, 2 * wordSize);
+  movq(Address(rsp, 0), r);
+}
+
+void InterpreterMacroAssembler::push_f(XMMRegister r) {
+  subptr(rsp, wordSize);
+  movflt(Address(rsp, 0), r);
+}
+
+void InterpreterMacroAssembler::push_d(XMMRegister r) {
+  subptr(rsp, 2 * wordSize);
+  movdbl(Address(rsp, 0), r);
+}
+
+void InterpreterMacroAssembler::pop(TosState state) {
+  switch (state) {
+  case atos: pop_ptr();                 break;
+  case btos:
+  case ctos:
+  case stos:
+  case itos: pop_i();                   break;
+  case ltos: pop_l();                   break;
+  case ftos: pop_f();                   break;
+  case dtos: pop_d();                   break;
+  case vtos: /* nothing to do */        break;
+  default:   ShouldNotReachHere();
+  }
+  verify_oop(rax, state);
+}
+
+void InterpreterMacroAssembler::push(TosState state) {
+  verify_oop(rax, state);
+  switch (state) {
+  case atos: push_ptr();                break;
+  case btos:
+  case ctos:
+  case stos:
+  case itos: push_i();                  break;
+  case ltos: push_l();                  break;
+  case ftos: push_f();                  break;
+  case dtos: push_d();                  break;
+  case vtos: /* nothing to do */        break;
+  default  : ShouldNotReachHere();
+  }
+}
+#else
+void InterpreterMacroAssembler::pop_i(Register r) {
+  pop(r);
+}
+
+void InterpreterMacroAssembler::pop_l(Register lo, Register hi) {
+  pop(lo);
+  pop(hi);
+}
+
+void InterpreterMacroAssembler::pop_f() {
+  fld_s(Address(rsp, 0));
+  addptr(rsp, 1 * wordSize);
+}
+
+void InterpreterMacroAssembler::pop_d() {
+  fld_d(Address(rsp, 0));
+  addptr(rsp, 2 * wordSize);
+}
+
+
+void InterpreterMacroAssembler::pop(TosState state) {
+  switch (state) {
+    case atos: pop_ptr(rax);                                 break;
+    case btos:                                               // fall through
+    case ctos:                                               // fall through
+    case stos:                                               // fall through
+    case itos: pop_i(rax);                                   break;
+    case ltos: pop_l(rax, rdx);                              break;
+    case ftos: pop_f();                                      break;
+    case dtos: pop_d();                                      break;
+    case vtos: /* nothing to do */                           break;
+    default  : ShouldNotReachHere();
+  }
+  verify_oop(rax, state);
+}
+
+
+void InterpreterMacroAssembler::push_l(Register lo, Register hi) {
+  push(hi);
+  push(lo);
+}
+
+void InterpreterMacroAssembler::push_f() {
+  // Do not schedule for no AGI! Never write beyond rsp!
+  subptr(rsp, 1 * wordSize);
+  fstp_s(Address(rsp, 0));
+}
+
+void InterpreterMacroAssembler::push_d(Register r) {
+  // Do not schedule for no AGI! Never write beyond rsp!
+  subptr(rsp, 2 * wordSize);
+  fstp_d(Address(rsp, 0));
+}
+
+
+void InterpreterMacroAssembler::push(TosState state) {
+  verify_oop(rax, state);
+  switch (state) {
+    case atos: push_ptr(rax); break;
+    case btos:                                               // fall through
+    case ctos:                                               // fall through
+    case stos:                                               // fall through
+    case itos: push_i(rax);                                    break;
+    case ltos: push_l(rax, rdx);                               break;
+    case ftos: push_f();                                       break;
+    case dtos: push_d(rax);                                    break;
+    case vtos: /* nothing to do */                             break;
+    default  : ShouldNotReachHere();
+  }
+}
+#endif // _LP64
+
+
+// Helpers for swap and dup
+void InterpreterMacroAssembler::load_ptr(int n, Register val) {
+  movptr(val, Address(rsp, Interpreter::expr_offset_in_bytes(n)));
+}
+
+void InterpreterMacroAssembler::store_ptr(int n, Register val) {
+  movptr(Address(rsp, Interpreter::expr_offset_in_bytes(n)), val);
+}
+
+
+void InterpreterMacroAssembler::prepare_to_jump_from_interpreted() {
+  // set sender sp
+  lea(_bcp_register, Address(rsp, wordSize));
+  // record last_sp
+  movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), _bcp_register);
+}
+
+
+// Jump to from_interpreted entry of a call unless single stepping is possible
+// in this thread in which case we must call the i2i entry
+void InterpreterMacroAssembler::jump_from_interpreted(Register method, Register temp) {
+  prepare_to_jump_from_interpreted();
+
+  if (JvmtiExport::can_post_interpreter_events()) {
+    Label run_compiled_code;
+    // JVMTI events, such as single-stepping, are implemented partly by avoiding running
+    // compiled code in threads for which the event is enabled.  Check here for
+    // interp_only_mode if these events CAN be enabled.
+    // interp_only is an int, on little endian it is sufficient to test the byte only
+    // Is a cmpl faster?
+    LP64_ONLY(temp = r15_thread;)
+    NOT_LP64(get_thread(temp);)
+    cmpb(Address(temp, JavaThread::interp_only_mode_offset()), 0);
+    jccb(Assembler::zero, run_compiled_code);
+    jmp(Address(method, Method::interpreter_entry_offset()));
+    bind(run_compiled_code);
+  }
+
+  jmp(Address(method, Method::from_interpreted_offset()));
+}
+
+// The following two routines provide a hook so that an implementation
+// can schedule the dispatch in two parts.  x86 does not do this.
+void InterpreterMacroAssembler::dispatch_prolog(TosState state, int step) {
+  // Nothing x86 specific to be done here
+}
+
+void InterpreterMacroAssembler::dispatch_epilog(TosState state, int step) {
+  dispatch_next(state, step);
+}
+
+void InterpreterMacroAssembler::dispatch_base(TosState state,
+                                              address* table,
+                                              bool verifyoop) {
+  verify_FPU(1, state);
+  if (VerifyActivationFrameSize) {
+    Label L;
+    mov(rcx, rbp);
+    subptr(rcx, rsp);
+    int32_t min_frame_size =
+      (frame::link_offset - frame::interpreter_frame_initial_sp_offset) *
+      wordSize;
+    cmpptr(rcx, (int32_t)min_frame_size);
+    jcc(Assembler::greaterEqual, L);
+    stop("broken stack frame");
+    bind(L);
+  }
+  if (verifyoop) {
+    verify_oop(rax, state);
+  }
+#ifdef _LP64
+  lea(rscratch1, ExternalAddress((address)table));
+  jmp(Address(rscratch1, rbx, Address::times_8));
+#else
+  Address index(noreg, rbx, Address::times_ptr);
+  ExternalAddress tbl((address)table);
+  ArrayAddress dispatch(tbl, index);
+  jump(dispatch);
+#endif // _LP64
+}
+
+void InterpreterMacroAssembler::dispatch_only(TosState state) {
+  dispatch_base(state, Interpreter::dispatch_table(state));
+}
+
+void InterpreterMacroAssembler::dispatch_only_normal(TosState state) {
+  dispatch_base(state, Interpreter::normal_table(state));
+}
+
+void InterpreterMacroAssembler::dispatch_only_noverify(TosState state) {
+  dispatch_base(state, Interpreter::normal_table(state), false);
+}
+
+
+void InterpreterMacroAssembler::dispatch_next(TosState state, int step) {
+  // load next bytecode (load before advancing _bcp_register to prevent AGI)
+  load_unsigned_byte(rbx, Address(_bcp_register, step));
+  // advance _bcp_register
+  increment(_bcp_register, step);
+  dispatch_base(state, Interpreter::dispatch_table(state));
+}
+
+void InterpreterMacroAssembler::dispatch_via(TosState state, address* table) {
+  // load current bytecode
+  load_unsigned_byte(rbx, Address(_bcp_register, 0));
+  dispatch_base(state, table);
+}
+
+// remove activation
+//
+// Unlock the receiver if this is a synchronized method.
+// Unlock any Java monitors from syncronized blocks.
+// Remove the activation from the stack.
+//
+// If there are locked Java monitors
+//    If throw_monitor_exception
+//       throws IllegalMonitorStateException
+//    Else if install_monitor_exception
+//       installs IllegalMonitorStateException
+//    Else
+//       no error processing
+void InterpreterMacroAssembler::remove_activation(
+        TosState state,
+        Register ret_addr,
+        bool throw_monitor_exception,
+        bool install_monitor_exception,
+        bool notify_jvmdi) {
+  // Note: Registers rdx xmm0 may be in use for the
+  // result check if synchronized method
+  Label unlocked, unlock, no_unlock;
+
+  const Register rthread = LP64_ONLY(r15_thread) NOT_LP64(rcx);
+  const Register robj    = LP64_ONLY(c_rarg1) NOT_LP64(rdx);
+  const Register rmon    = LP64_ONLY(c_rarg1) NOT_LP64(rcx);
+                              // monitor pointers need different register
+                              // because rdx may have the result in it
+  NOT_LP64(get_thread(rcx);)
+
+  // get the value of _do_not_unlock_if_synchronized into rdx
+  const Address do_not_unlock_if_synchronized(rthread,
+    in_bytes(JavaThread::do_not_unlock_if_synchronized_offset()));
+  movbool(rbx, do_not_unlock_if_synchronized);
+  movbool(do_not_unlock_if_synchronized, false); // reset the flag
+
+ // get method access flags
+  movptr(rcx, Address(rbp, frame::interpreter_frame_method_offset * wordSize));
+  movl(rcx, Address(rcx, Method::access_flags_offset()));
+  testl(rcx, JVM_ACC_SYNCHRONIZED);
+  jcc(Assembler::zero, unlocked);
+
+  // Don't unlock anything if the _do_not_unlock_if_synchronized flag
+  // is set.
+  testbool(rbx);
+  jcc(Assembler::notZero, no_unlock);
+
+  // unlock monitor
+  push(state); // save result
+
+  // BasicObjectLock will be first in list, since this is a
+  // synchronized method. However, need to check that the object has
+  // not been unlocked by an explicit monitorexit bytecode.
+  const Address monitor(rbp, frame::interpreter_frame_initial_sp_offset *
+                        wordSize - (int) sizeof(BasicObjectLock));
+  // We use c_rarg1/rdx so that if we go slow path it will be the correct
+  // register for unlock_object to pass to VM directly
+  lea(robj, monitor); // address of first monitor
+
+  movptr(rax, Address(robj, BasicObjectLock::obj_offset_in_bytes()));
+  testptr(rax, rax);
+  jcc(Assembler::notZero, unlock);
+
+  pop(state);
+  if (throw_monitor_exception) {
+    // Entry already unlocked, need to throw exception
+    NOT_LP64(empty_FPU_stack();)  // remove possible return value from FPU-stack, otherwise stack could overflow
+    call_VM(noreg, CAST_FROM_FN_PTR(address,
+                   InterpreterRuntime::throw_illegal_monitor_state_exception));
+    should_not_reach_here();
+  } else {
+    // Monitor already unlocked during a stack unroll. If requested,
+    // install an illegal_monitor_state_exception.  Continue with
+    // stack unrolling.
+    if (install_monitor_exception) {
+      NOT_LP64(empty_FPU_stack();)
+      call_VM(noreg, CAST_FROM_FN_PTR(address,
+                     InterpreterRuntime::new_illegal_monitor_state_exception));
+    }
+    jmp(unlocked);
+  }
+
+  bind(unlock);
+  unlock_object(robj);
+  pop(state);
+
+  // Check that for block-structured locking (i.e., that all locked
+  // objects has been unlocked)
+  bind(unlocked);
+
+  // rax, rdx: Might contain return value
+
+  // Check that all monitors are unlocked
+  {
+    Label loop, exception, entry, restart;
+    const int entry_size = frame::interpreter_frame_monitor_size() * wordSize;
+    const Address monitor_block_top(
+        rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize);
+    const Address monitor_block_bot(
+        rbp, frame::interpreter_frame_initial_sp_offset * wordSize);
+
+    bind(restart);
+    // We use c_rarg1 so that if we go slow path it will be the correct
+    // register for unlock_object to pass to VM directly
+    movptr(rmon, monitor_block_top); // points to current entry, starting
+                                  // with top-most entry
+    lea(rbx, monitor_block_bot);  // points to word before bottom of
+                                  // monitor block
+    jmp(entry);
+
+    // Entry already locked, need to throw exception
+    bind(exception);
+
+    if (throw_monitor_exception) {
+      // Throw exception
+      NOT_LP64(empty_FPU_stack();)
+      MacroAssembler::call_VM(noreg,
+                              CAST_FROM_FN_PTR(address, InterpreterRuntime::
+                                   throw_illegal_monitor_state_exception));
+      should_not_reach_here();
+    } else {
+      // Stack unrolling. Unlock object and install illegal_monitor_exception.
+      // Unlock does not block, so don't have to worry about the frame.
+      // We don't have to preserve c_rarg1 since we are going to throw an exception.
+
+      push(state);
+      mov(robj, rmon);   // nop if robj and rmon are the same
+      unlock_object(robj);
+      pop(state);
+
+      if (install_monitor_exception) {
+        NOT_LP64(empty_FPU_stack();)
+        call_VM(noreg, CAST_FROM_FN_PTR(address,
+                                        InterpreterRuntime::
+                                        new_illegal_monitor_state_exception));
+      }
+
+      jmp(restart);
+    }
+
+    bind(loop);
+    // check if current entry is used
+    cmpptr(Address(rmon, BasicObjectLock::obj_offset_in_bytes()), (int32_t) NULL);
+    jcc(Assembler::notEqual, exception);
+
+    addptr(rmon, entry_size); // otherwise advance to next entry
+    bind(entry);
+    cmpptr(rmon, rbx); // check if bottom reached
+    jcc(Assembler::notEqual, loop); // if not at bottom then check this entry
+  }
+
+  bind(no_unlock);
+
+  // jvmti support
+  if (notify_jvmdi) {
+    notify_method_exit(state, NotifyJVMTI);    // preserve TOSCA
+  } else {
+    notify_method_exit(state, SkipNotifyJVMTI); // preserve TOSCA
+  }
+
+  // remove activation
+  // get sender sp
+  movptr(rbx,
+         Address(rbp, frame::interpreter_frame_sender_sp_offset * wordSize));
+  leave();                           // remove frame anchor
+  pop(ret_addr);                     // get return address
+  mov(rsp, rbx);                     // set sp to sender sp
+#ifndef _LP64
+  if (UseSSE) {
+    // float and double are returned in xmm register in SSE-mode
+    if (state == ftos && UseSSE >= 1) {
+      subptr(rsp, wordSize);
+      fstp_s(Address(rsp, 0));
+      movflt(xmm0, Address(rsp, 0));
+      addptr(rsp, wordSize);
+    } else if (state == dtos && UseSSE >= 2) {
+      subptr(rsp, 2*wordSize);
+      fstp_d(Address(rsp, 0));
+      movdbl(xmm0, Address(rsp, 0));
+      addptr(rsp, 2*wordSize);
+    }
+  }
+#endif // _LP64
+}
+#endif // !CC_INTERP
+
+void InterpreterMacroAssembler::get_method_counters(Register method,
+                                                    Register mcs, Label& skip) {
+  Label has_counters;
+  movptr(mcs, Address(method, Method::method_counters_offset()));
+  testptr(mcs, mcs);
+  jcc(Assembler::notZero, has_counters);
+  call_VM(noreg, CAST_FROM_FN_PTR(address,
+          InterpreterRuntime::build_method_counters), method);
+  movptr(mcs, Address(method,Method::method_counters_offset()));
+  testptr(mcs, mcs);
+  jcc(Assembler::zero, skip); // No MethodCounters allocated, OutOfMemory
+  bind(has_counters);
+}
+
+
+// Lock object
+//
+// Args:
+//      rdx, c_rarg1: BasicObjectLock to be used for locking
+//
+// Kills:
+//      rax
+//      rscratch1 (scratch regs)
+void InterpreterMacroAssembler::lock_object(Register lock_reg) {
+  assert(lock_reg == LP64_ONLY(c_rarg1) NOT_LP64(rdx),
+         "The argument is only for looks. It must be c_rarg1");
+
+  if (UseHeavyMonitors) {
+    call_VM(noreg,
+            CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorenter),
+            lock_reg);
+  } else {
+    Label done;
+
+    const Register swap_reg = rax; // Must use rax for cmpxchg instruction
+    const Register obj_reg = LP64_ONLY(c_rarg3) NOT_LP64(rcx); // Will contain the oop
+
+    const int obj_offset = BasicObjectLock::obj_offset_in_bytes();
+    const int lock_offset = BasicObjectLock::lock_offset_in_bytes ();
+    const int mark_offset = lock_offset +
+                            BasicLock::displaced_header_offset_in_bytes();
+
+    Label slow_case;
+
+    // Load object pointer into obj_reg
+    movptr(obj_reg, Address(lock_reg, obj_offset));
+
+    if (UseBiasedLocking) {
+      biased_locking_enter(lock_reg, obj_reg, swap_reg, rscratch1, false, done, &slow_case);
+    }
+
+    // Load immediate 1 into swap_reg %rax
+    movl(swap_reg, (int32_t)1);
+
+    // Load (object->mark() | 1) into swap_reg %rax
+    orptr(swap_reg, Address(obj_reg, 0));
+
+    // Save (object->mark() | 1) into BasicLock's displaced header
+    movptr(Address(lock_reg, mark_offset), swap_reg);
+
+    assert(lock_offset == 0,
+           "displached header must be first word in BasicObjectLock");
+
+    if (os::is_MP()) lock();
+    cmpxchgptr(lock_reg, Address(obj_reg, 0));
+    if (PrintBiasedLockingStatistics) {
+      cond_inc32(Assembler::zero,
+                 ExternalAddress((address) BiasedLocking::fast_path_entry_count_addr()));
+    }
+    jcc(Assembler::zero, done);
+
+    const int zero_bits = LP64_ONLY(7) NOT_LP64(3);
+
+    // Test if the oopMark is an obvious stack pointer, i.e.,
+    //  1) (mark & zero_bits) == 0, and
+    //  2) rsp <= mark < mark + os::pagesize()
+    //
+    // These 3 tests can be done by evaluating the following
+    // expression: ((mark - rsp) & (zero_bits - os::vm_page_size())),
+    // assuming both stack pointer and pagesize have their
+    // least significant bits clear.
+    // NOTE: the oopMark is in swap_reg %rax as the result of cmpxchg
+    subptr(swap_reg, rsp);
+    andptr(swap_reg, zero_bits - os::vm_page_size());
+
+    // Save the test result, for recursive case, the result is zero
+    movptr(Address(lock_reg, mark_offset), swap_reg);
+
+    if (PrintBiasedLockingStatistics) {
+      cond_inc32(Assembler::zero,
+                 ExternalAddress((address) BiasedLocking::fast_path_entry_count_addr()));
+    }
+    jcc(Assembler::zero, done);
+
+    bind(slow_case);
+
+    // Call the runtime routine for slow case
+    call_VM(noreg,
+            CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorenter),
+            lock_reg);
+
+    bind(done);
+  }
+}
+
+
+// Unlocks an object. Used in monitorexit bytecode and
+// remove_activation.  Throws an IllegalMonitorException if object is
+// not locked by current thread.
+//
+// Args:
+//      rdx, c_rarg1: BasicObjectLock for lock
+//
+// Kills:
+//      rax
+//      c_rarg0, c_rarg1, c_rarg2, c_rarg3, ... (param regs)
+//      rscratch1, rscratch2 (scratch regs)
+// rax, rbx, rcx, rdx
+void InterpreterMacroAssembler::unlock_object(Register lock_reg) {
+  assert(lock_reg == LP64_ONLY(c_rarg1) NOT_LP64(rdx),
+         "The argument is only for looks. It must be c_rarg1");
+
+  if (UseHeavyMonitors) {
+    call_VM(noreg,
+            CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorexit),
+            lock_reg);
+  } else {
+    Label done;
+
+    const Register swap_reg   = rax;  // Must use rax for cmpxchg instruction
+    const Register header_reg = LP64_ONLY(c_rarg2) NOT_LP64(rbx);  // Will contain the old oopMark
+    const Register obj_reg    = LP64_ONLY(c_rarg3) NOT_LP64(rcx);  // Will contain the oop
+
+    save_bcp(); // Save in case of exception
+
+    // Convert from BasicObjectLock structure to object and BasicLock
+    // structure Store the BasicLock address into %rax
+    lea(swap_reg, Address(lock_reg, BasicObjectLock::lock_offset_in_bytes()));
+
+    // Load oop into obj_reg(%c_rarg3)
+    movptr(obj_reg, Address(lock_reg, BasicObjectLock::obj_offset_in_bytes()));
+
+    // Free entry
+    movptr(Address(lock_reg, BasicObjectLock::obj_offset_in_bytes()), (int32_t)NULL_WORD);
+
+    if (UseBiasedLocking) {
+      biased_locking_exit(obj_reg, header_reg, done);
+    }
+
+    // Load the old header from BasicLock structure
+    movptr(header_reg, Address(swap_reg,
+                               BasicLock::displaced_header_offset_in_bytes()));
+
+    // Test for recursion
+    testptr(header_reg, header_reg);
+
+    // zero for recursive case
+    jcc(Assembler::zero, done);
+
+    // Atomic swap back the old header
+    if (os::is_MP()) lock();
+    cmpxchgptr(header_reg, Address(obj_reg, 0));
+
+    // zero for recursive case
+    jcc(Assembler::zero, done);
+
+    // Call the runtime routine for slow case.
+    movptr(Address(lock_reg, BasicObjectLock::obj_offset_in_bytes()),
+         obj_reg); // restore obj
+    call_VM(noreg,
+            CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorexit),
+            lock_reg);
+
+    bind(done);
+
+    restore_bcp();
+  }
+}
+#ifndef CC_INTERP
+void InterpreterMacroAssembler::test_method_data_pointer(Register mdp,
+                                                         Label& zero_continue) {
+  assert(ProfileInterpreter, "must be profiling interpreter");
+  movptr(mdp, Address(rbp, frame::interpreter_frame_mdp_offset * wordSize));
+  testptr(mdp, mdp);
+  jcc(Assembler::zero, zero_continue);
+}
+
+
+// Set the method data pointer for the current bcp.
+void InterpreterMacroAssembler::set_method_data_pointer_for_bcp() {
+  assert(ProfileInterpreter, "must be profiling interpreter");
+  Label set_mdp;
+  push(rax);
+  push(rbx);
+
+  get_method(rbx);
+  // Test MDO to avoid the call if it is NULL.
+  movptr(rax, Address(rbx, in_bytes(Method::method_data_offset())));
+  testptr(rax, rax);
+  jcc(Assembler::zero, set_mdp);
+  // rbx: method
+  // _bcp_register: bcp
+  call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::bcp_to_di), rbx, _bcp_register);
+  // rax: mdi
+  // mdo is guaranteed to be non-zero here, we checked for it before the call.
+  movptr(rbx, Address(rbx, in_bytes(Method::method_data_offset())));
+  addptr(rbx, in_bytes(MethodData::data_offset()));
+  addptr(rax, rbx);
+  bind(set_mdp);
+  movptr(Address(rbp, frame::interpreter_frame_mdp_offset * wordSize), rax);
+  pop(rbx);
+  pop(rax);
+}
+
+void InterpreterMacroAssembler::verify_method_data_pointer() {
+  assert(ProfileInterpreter, "must be profiling interpreter");
+#ifdef ASSERT
+  Label verify_continue;
+  push(rax);
+  push(rbx);
+  Register arg3_reg = LP64_ONLY(c_rarg3) NOT_LP64(rcx);
+  Register arg2_reg = LP64_ONLY(c_rarg2) NOT_LP64(rdx);
+  push(arg3_reg);
+  push(arg2_reg);
+  test_method_data_pointer(arg3_reg, verify_continue); // If mdp is zero, continue
+  get_method(rbx);
+
+  // If the mdp is valid, it will point to a DataLayout header which is
+  // consistent with the bcp.  The converse is highly probable also.
+  load_unsigned_short(arg2_reg,
+                      Address(arg3_reg, in_bytes(DataLayout::bci_offset())));
+  addptr(arg2_reg, Address(rbx, Method::const_offset()));
+  lea(arg2_reg, Address(arg2_reg, ConstMethod::codes_offset()));
+  cmpptr(arg2_reg, _bcp_register);
+  jcc(Assembler::equal, verify_continue);
+  // rbx: method
+  // _bcp_register: bcp
+  // c_rarg3: mdp
+  call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::verify_mdp),
+               rbx, _bcp_register, arg3_reg);
+  bind(verify_continue);
+  pop(arg2_reg);
+  pop(arg3_reg);
+  pop(rbx);
+  pop(rax);
+#endif // ASSERT
+}
+
+
+void InterpreterMacroAssembler::set_mdp_data_at(Register mdp_in,
+                                                int constant,
+                                                Register value) {
+  assert(ProfileInterpreter, "must be profiling interpreter");
+  Address data(mdp_in, constant);
+  movptr(data, value);
+}
+
+
+void InterpreterMacroAssembler::increment_mdp_data_at(Register mdp_in,
+                                                      int constant,
+                                                      bool decrement) {
+  // Counter address
+  Address data(mdp_in, constant);
+
+  increment_mdp_data_at(data, decrement);
+}
+
+void InterpreterMacroAssembler::increment_mdp_data_at(Address data,
+                                                      bool decrement) {
+  assert(ProfileInterpreter, "must be profiling interpreter");
+  // %%% this does 64bit counters at best it is wasting space
+  // at worst it is a rare bug when counters overflow
+
+  if (decrement) {
+    // Decrement the register.  Set condition codes.
+    addptr(data, (int32_t) -DataLayout::counter_increment);
+    // If the decrement causes the counter to overflow, stay negative
+    Label L;
+    jcc(Assembler::negative, L);
+    addptr(data, (int32_t) DataLayout::counter_increment);
+    bind(L);
+  } else {
+    assert(DataLayout::counter_increment == 1,
+           "flow-free idiom only works with 1");
+    // Increment the register.  Set carry flag.
+    addptr(data, DataLayout::counter_increment);
+    // If the increment causes the counter to overflow, pull back by 1.
+    sbbptr(data, (int32_t)0);
+  }
+}
+
+
+void InterpreterMacroAssembler::increment_mdp_data_at(Register mdp_in,
+                                                      Register reg,
+                                                      int constant,
+                                                      bool decrement) {
+  Address data(mdp_in, reg, Address::times_1, constant);
+
+  increment_mdp_data_at(data, decrement);
+}
+
+void InterpreterMacroAssembler::set_mdp_flag_at(Register mdp_in,
+                                                int flag_byte_constant) {
+  assert(ProfileInterpreter, "must be profiling interpreter");
+  int header_offset = in_bytes(DataLayout::header_offset());
+  int header_bits = DataLayout::flag_mask_to_header_mask(flag_byte_constant);
+  // Set the flag
+  orl(Address(mdp_in, header_offset), header_bits);
+}
+
+
+
+void InterpreterMacroAssembler::test_mdp_data_at(Register mdp_in,
+                                                 int offset,
+                                                 Register value,
+                                                 Register test_value_out,
+                                                 Label& not_equal_continue) {
+  assert(ProfileInterpreter, "must be profiling interpreter");
+  if (test_value_out == noreg) {
+    cmpptr(value, Address(mdp_in, offset));
+  } else {
+    // Put the test value into a register, so caller can use it:
+    movptr(test_value_out, Address(mdp_in, offset));
+    cmpptr(test_value_out, value);
+  }
+  jcc(Assembler::notEqual, not_equal_continue);
+}
+
+
+void InterpreterMacroAssembler::update_mdp_by_offset(Register mdp_in,
+                                                     int offset_of_disp) {
+  assert(ProfileInterpreter, "must be profiling interpreter");
+  Address disp_address(mdp_in, offset_of_disp);
+  addptr(mdp_in, disp_address);
+  movptr(Address(rbp, frame::interpreter_frame_mdp_offset * wordSize), mdp_in);
+}
+
+
+void InterpreterMacroAssembler::update_mdp_by_offset(Register mdp_in,
+                                                     Register reg,
+                                                     int offset_of_disp) {
+  assert(ProfileInterpreter, "must be profiling interpreter");
+  Address disp_address(mdp_in, reg, Address::times_1, offset_of_disp);
+  addptr(mdp_in, disp_address);
+  movptr(Address(rbp, frame::interpreter_frame_mdp_offset * wordSize), mdp_in);
+}
+
+
+void InterpreterMacroAssembler::update_mdp_by_constant(Register mdp_in,
+                                                       int constant) {
+  assert(ProfileInterpreter, "must be profiling interpreter");
+  addptr(mdp_in, constant);
+  movptr(Address(rbp, frame::interpreter_frame_mdp_offset * wordSize), mdp_in);
+}
+
+
+void InterpreterMacroAssembler::update_mdp_for_ret(Register return_bci) {
+  assert(ProfileInterpreter, "must be profiling interpreter");
+  push(return_bci); // save/restore across call_VM
+  call_VM(noreg,
+          CAST_FROM_FN_PTR(address, InterpreterRuntime::update_mdp_for_ret),
+          return_bci);
+  pop(return_bci);
+}
+
+
+void InterpreterMacroAssembler::profile_taken_branch(Register mdp,
+                                                     Register bumped_count) {
+  if (ProfileInterpreter) {
+    Label profile_continue;
+
+    // If no method data exists, go to profile_continue.
+    // Otherwise, assign to mdp
+    test_method_data_pointer(mdp, profile_continue);
+
+    // We are taking a branch.  Increment the taken count.
+    // We inline increment_mdp_data_at to return bumped_count in a register
+    //increment_mdp_data_at(mdp, in_bytes(JumpData::taken_offset()));
+    Address data(mdp, in_bytes(JumpData::taken_offset()));
+    movptr(bumped_count, data);
+    assert(DataLayout::counter_increment == 1,
+            "flow-free idiom only works with 1");
+    addptr(bumped_count, DataLayout::counter_increment);
+    sbbptr(bumped_count, 0);
+    movptr(data, bumped_count); // Store back out
+
+    // The method data pointer needs to be updated to reflect the new target.
+    update_mdp_by_offset(mdp, in_bytes(JumpData::displacement_offset()));
+    bind(profile_continue);
+  }
+}
+
+
+void InterpreterMacroAssembler::profile_not_taken_branch(Register mdp) {
+  if (ProfileInterpreter) {
+    Label profile_continue;
+
+    // If no method data exists, go to profile_continue.
+    test_method_data_pointer(mdp, profile_continue);
+
+    // We are taking a branch.  Increment the not taken count.
+    increment_mdp_data_at(mdp, in_bytes(BranchData::not_taken_offset()));
+
+    // The method data pointer needs to be updated to correspond to
+    // the next bytecode
+    update_mdp_by_constant(mdp, in_bytes(BranchData::branch_data_size()));
+    bind(profile_continue);
+  }
+}
+
+void InterpreterMacroAssembler::profile_call(Register mdp) {
+  if (ProfileInterpreter) {
+    Label profile_continue;
+
+    // If no method data exists, go to profile_continue.
+    test_method_data_pointer(mdp, profile_continue);
+
+    // We are making a call.  Increment the count.
+    increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
+
+    // The method data pointer needs to be updated to reflect the new target.
+    update_mdp_by_constant(mdp, in_bytes(CounterData::counter_data_size()));
+    bind(profile_continue);
+  }
+}
+
+
+void InterpreterMacroAssembler::profile_final_call(Register mdp) {
+  if (ProfileInterpreter) {
+    Label profile_continue;
+
+    // If no method data exists, go to profile_continue.
+    test_method_data_pointer(mdp, profile_continue);
+
+    // We are making a call.  Increment the count.
+    increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
+
+    // The method data pointer needs to be updated to reflect the new target.
+    update_mdp_by_constant(mdp,
+                           in_bytes(VirtualCallData::
+                                    virtual_call_data_size()));
+    bind(profile_continue);
+  }
+}
+
+
+void InterpreterMacroAssembler::profile_virtual_call(Register receiver,
+                                                     Register mdp,
+                                                     Register reg2,
+                                                     bool receiver_can_be_null) {
+  if (ProfileInterpreter) {
+    Label profile_continue;
+
+    // If no method data exists, go to profile_continue.
+    test_method_data_pointer(mdp, profile_continue);
+
+    Label skip_receiver_profile;
+    if (receiver_can_be_null) {
+      Label not_null;
+      testptr(receiver, receiver);
+      jccb(Assembler::notZero, not_null);
+      // We are making a call.  Increment the count for null receiver.
+      increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
+      jmp(skip_receiver_profile);
+      bind(not_null);
+    }
+
+    // Record the receiver type.
+    record_klass_in_profile(receiver, mdp, reg2, true);
+    bind(skip_receiver_profile);
+
+    // The method data pointer needs to be updated to reflect the new target.
+    update_mdp_by_constant(mdp,
+                           in_bytes(VirtualCallData::
+                                    virtual_call_data_size()));
+    bind(profile_continue);
+  }
+}
+
+// This routine creates a state machine for updating the multi-row
+// type profile at a virtual call site (or other type-sensitive bytecode).
+// The machine visits each row (of receiver/count) until the receiver type
+// is found, or until it runs out of rows.  At the same time, it remembers
+// the location of the first empty row.  (An empty row records null for its
+// receiver, and can be allocated for a newly-observed receiver type.)
+// Because there are two degrees of freedom in the state, a simple linear
+// search will not work; it must be a decision tree.  Hence this helper
+// function is recursive, to generate the required tree structured code.
+// It's the interpreter, so we are trading off code space for speed.
+// See below for example code.
+void InterpreterMacroAssembler::record_klass_in_profile_helper(
+                                        Register receiver, Register mdp,
+                                        Register reg2, int start_row,
+                                        Label& done, bool is_virtual_call) {
+  if (TypeProfileWidth == 0) {
+    if (is_virtual_call) {
+      increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
+    }
+    return;
+  }
+
+  int last_row = VirtualCallData::row_limit() - 1;
+  assert(start_row <= last_row, "must be work left to do");
+  // Test this row for both the receiver and for null.
+  // Take any of three different outcomes:
+  //   1. found receiver => increment count and goto done
+  //   2. found null => keep looking for case 1, maybe allocate this cell
+  //   3. found something else => keep looking for cases 1 and 2
+  // Case 3 is handled by a recursive call.
+  for (int row = start_row; row <= last_row; row++) {
+    Label next_test;
+    bool test_for_null_also = (row == start_row);
+
+    // See if the receiver is receiver[n].
+    int recvr_offset = in_bytes(VirtualCallData::receiver_offset(row));
+    test_mdp_data_at(mdp, recvr_offset, receiver,
+                     (test_for_null_also ? reg2 : noreg),
+                     next_test);
+    // (Reg2 now contains the receiver from the CallData.)
+
+    // The receiver is receiver[n].  Increment count[n].
+    int count_offset = in_bytes(VirtualCallData::receiver_count_offset(row));
+    increment_mdp_data_at(mdp, count_offset);
+    jmp(done);
+    bind(next_test);
+
+    if (test_for_null_also) {
+      Label found_null;
+      // Failed the equality check on receiver[n]...  Test for null.
+      testptr(reg2, reg2);
+      if (start_row == last_row) {
+        // The only thing left to do is handle the null case.
+        if (is_virtual_call) {
+          jccb(Assembler::zero, found_null);
+          // Receiver did not match any saved receiver and there is no empty row for it.
+          // Increment total counter to indicate polymorphic case.
+          increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
+          jmp(done);
+          bind(found_null);
+        } else {
+          jcc(Assembler::notZero, done);
+        }
+        break;
+      }
+      // Since null is rare, make it be the branch-taken case.
+      jcc(Assembler::zero, found_null);
+
+      // Put all the "Case 3" tests here.
+      record_klass_in_profile_helper(receiver, mdp, reg2, start_row + 1, done, is_virtual_call);
+
+      // Found a null.  Keep searching for a matching receiver,
+      // but remember that this is an empty (unused) slot.
+      bind(found_null);
+    }
+  }
+
+  // In the fall-through case, we found no matching receiver, but we
+  // observed the receiver[start_row] is NULL.
+
+  // Fill in the receiver field and increment the count.
+  int recvr_offset = in_bytes(VirtualCallData::receiver_offset(start_row));
+  set_mdp_data_at(mdp, recvr_offset, receiver);
+  int count_offset = in_bytes(VirtualCallData::receiver_count_offset(start_row));
+  movl(reg2, DataLayout::counter_increment);
+  set_mdp_data_at(mdp, count_offset, reg2);
+  if (start_row > 0) {
+    jmp(done);
+  }
+}
+
+// Example state machine code for three profile rows:
+//   // main copy of decision tree, rooted at row[1]
+//   if (row[0].rec == rec) { row[0].incr(); goto done; }
+//   if (row[0].rec != NULL) {
+//     // inner copy of decision tree, rooted at row[1]
+//     if (row[1].rec == rec) { row[1].incr(); goto done; }
+//     if (row[1].rec != NULL) {
+//       // degenerate decision tree, rooted at row[2]
+//       if (row[2].rec == rec) { row[2].incr(); goto done; }
+//       if (row[2].rec != NULL) { count.incr(); goto done; } // overflow
+//       row[2].init(rec); goto done;
+//     } else {
+//       // remember row[1] is empty
+//       if (row[2].rec == rec) { row[2].incr(); goto done; }
+//       row[1].init(rec); goto done;
+//     }
+//   } else {
+//     // remember row[0] is empty
+//     if (row[1].rec == rec) { row[1].incr(); goto done; }
+//     if (row[2].rec == rec) { row[2].incr(); goto done; }
+//     row[0].init(rec); goto done;
+//   }
+//   done:
+
+void InterpreterMacroAssembler::record_klass_in_profile(Register receiver,
+                                                        Register mdp, Register reg2,
+                                                        bool is_virtual_call) {
+  assert(ProfileInterpreter, "must be profiling");
+  Label done;
+
+  record_klass_in_profile_helper(receiver, mdp, reg2, 0, done, is_virtual_call);
+
+  bind (done);
+}
+
+void InterpreterMacroAssembler::profile_ret(Register return_bci,
+                                            Register mdp) {
+  if (ProfileInterpreter) {
+    Label profile_continue;
+    uint row;
+
+    // If no method data exists, go to profile_continue.
+    test_method_data_pointer(mdp, profile_continue);
+
+    // Update the total ret count.
+    increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
+
+    for (row = 0; row < RetData::row_limit(); row++) {
+      Label next_test;
+
+      // See if return_bci is equal to bci[n]:
+      test_mdp_data_at(mdp,
+                       in_bytes(RetData::bci_offset(row)),
+                       return_bci, noreg,
+                       next_test);
+
+      // return_bci is equal to bci[n].  Increment the count.
+      increment_mdp_data_at(mdp, in_bytes(RetData::bci_count_offset(row)));
+
+      // The method data pointer needs to be updated to reflect the new target.
+      update_mdp_by_offset(mdp,
+                           in_bytes(RetData::bci_displacement_offset(row)));
+      jmp(profile_continue);
+      bind(next_test);
+    }
+
+    update_mdp_for_ret(return_bci);
+
+    bind(profile_continue);
+  }
+}
+
+
+void InterpreterMacroAssembler::profile_null_seen(Register mdp) {
+  if (ProfileInterpreter) {
+    Label profile_continue;
+
+    // If no method data exists, go to profile_continue.
+    test_method_data_pointer(mdp, profile_continue);
+
+    set_mdp_flag_at(mdp, BitData::null_seen_byte_constant());
+
+    // The method data pointer needs to be updated.
+    int mdp_delta = in_bytes(BitData::bit_data_size());
+    if (TypeProfileCasts) {
+      mdp_delta = in_bytes(VirtualCallData::virtual_call_data_size());
+    }
+    update_mdp_by_constant(mdp, mdp_delta);
+
+    bind(profile_continue);
+  }
+}
+
+
+void InterpreterMacroAssembler::profile_typecheck_failed(Register mdp) {
+  if (ProfileInterpreter && TypeProfileCasts) {
+    Label profile_continue;
+
+    // If no method data exists, go to profile_continue.
+    test_method_data_pointer(mdp, profile_continue);
+
+    int count_offset = in_bytes(CounterData::count_offset());
+    // Back up the address, since we have already bumped the mdp.
+    count_offset -= in_bytes(VirtualCallData::virtual_call_data_size());
+
+    // *Decrement* the counter.  We expect to see zero or small negatives.
+    increment_mdp_data_at(mdp, count_offset, true);
+
+    bind (profile_continue);
+  }
+}
+
+
+void InterpreterMacroAssembler::profile_typecheck(Register mdp, Register klass, Register reg2) {
+  if (ProfileInterpreter) {
+    Label profile_continue;
+
+    // If no method data exists, go to profile_continue.
+    test_method_data_pointer(mdp, profile_continue);
+
+    // The method data pointer needs to be updated.
+    int mdp_delta = in_bytes(BitData::bit_data_size());
+    if (TypeProfileCasts) {
+      mdp_delta = in_bytes(VirtualCallData::virtual_call_data_size());
+
+      // Record the object type.
+      record_klass_in_profile(klass, mdp, reg2, false);
+      NOT_LP64(assert(reg2 == rdi, "we know how to fix this blown reg");)
+      NOT_LP64(restore_locals();)         // Restore EDI
+    }
+    update_mdp_by_constant(mdp, mdp_delta);
+
+    bind(profile_continue);
+  }
+}
+
+
+void InterpreterMacroAssembler::profile_switch_default(Register mdp) {
+  if (ProfileInterpreter) {
+    Label profile_continue;
+
+    // If no method data exists, go to profile_continue.
+    test_method_data_pointer(mdp, profile_continue);
+
+    // Update the default case count
+    increment_mdp_data_at(mdp,
+                          in_bytes(MultiBranchData::default_count_offset()));
+
+    // The method data pointer needs to be updated.
+    update_mdp_by_offset(mdp,
+                         in_bytes(MultiBranchData::
+                                  default_displacement_offset()));
+
+    bind(profile_continue);
+  }
+}
+
+
+void InterpreterMacroAssembler::profile_switch_case(Register index,
+                                                    Register mdp,
+                                                    Register reg2) {
+  if (ProfileInterpreter) {
+    Label profile_continue;
+
+    // If no method data exists, go to profile_continue.
+    test_method_data_pointer(mdp, profile_continue);
+
+    // Build the base (index * per_case_size_in_bytes()) +
+    // case_array_offset_in_bytes()
+    movl(reg2, in_bytes(MultiBranchData::per_case_size()));
+    imulptr(index, reg2); // XXX l ?
+    addptr(index, in_bytes(MultiBranchData::case_array_offset())); // XXX l ?
+
+    // Update the case count
+    increment_mdp_data_at(mdp,
+                          index,
+                          in_bytes(MultiBranchData::relative_count_offset()));
+
+    // The method data pointer needs to be updated.
+    update_mdp_by_offset(mdp,
+                         index,
+                         in_bytes(MultiBranchData::
+                                  relative_displacement_offset()));
+
+    bind(profile_continue);
+  }
+}
+
+
+
+void InterpreterMacroAssembler::verify_oop(Register reg, TosState state) {
+  if (state == atos) {
+    MacroAssembler::verify_oop(reg);
+  }
+}
+
+void InterpreterMacroAssembler::verify_FPU(int stack_depth, TosState state) {
+#ifndef _LP64
+  if (state == ftos || state == dtos) MacroAssembler::verify_FPU(stack_depth);
+#endif
+}
+
+// Jump if ((*counter_addr += increment) & mask) satisfies the condition.
+void InterpreterMacroAssembler::increment_mask_and_jump(Address counter_addr,
+                                                        int increment, Address mask,
+                                                        Register scratch, bool preloaded,
+                                                        Condition cond, Label* where) {
+  if (!preloaded) {
+    movl(scratch, counter_addr);
+  }
+  incrementl(scratch, increment);
+  movl(counter_addr, scratch);
+  andl(scratch, mask);
+  jcc(cond, *where);
+}
+#endif // CC_INTERP
+
+void InterpreterMacroAssembler::notify_method_entry() {
+  // Whenever JVMTI is interp_only_mode, method entry/exit events are sent to
+  // track stack depth.  If it is possible to enter interp_only_mode we add
+  // the code to check if the event should be sent.
+  Register rthread = LP64_ONLY(r15_thread) NOT_LP64(rcx);
+  Register rarg = LP64_ONLY(c_rarg1) NOT_LP64(rbx);
+  if (JvmtiExport::can_post_interpreter_events()) {
+    Label L;
+    NOT_LP64(get_thread(rthread);)
+    movl(rdx, Address(rthread, JavaThread::interp_only_mode_offset()));
+    testl(rdx, rdx);
+    jcc(Assembler::zero, L);
+    call_VM(noreg, CAST_FROM_FN_PTR(address,
+                                    InterpreterRuntime::post_method_entry));
+    bind(L);
+  }
+
+  {
+    SkipIfEqual skip(this, &DTraceMethodProbes, false);
+    NOT_LP64(get_thread(rthread);)
+    get_method(rarg);
+    call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_entry),
+                 rthread, rarg);
+  }
+
+  // RedefineClasses() tracing support for obsolete method entry
+  if (RC_TRACE_IN_RANGE(0x00001000, 0x00002000)) {
+    NOT_LP64(get_thread(rthread);)
+    get_method(rarg);
+    call_VM_leaf(
+      CAST_FROM_FN_PTR(address, SharedRuntime::rc_trace_method_entry),
+      rthread, rarg);
+  }
+}
+
+
+void InterpreterMacroAssembler::notify_method_exit(
+    TosState state, NotifyMethodExitMode mode) {
+  // Whenever JVMTI is interp_only_mode, method entry/exit events are sent to
+  // track stack depth.  If it is possible to enter interp_only_mode we add
+  // the code to check if the event should be sent.
+  Register rthread = LP64_ONLY(r15_thread) NOT_LP64(rcx);
+  Register rarg = LP64_ONLY(c_rarg1) NOT_LP64(rbx);
+  if (mode == NotifyJVMTI && JvmtiExport::can_post_interpreter_events()) {
+    Label L;
+    // Note: frame::interpreter_frame_result has a dependency on how the
+    // method result is saved across the call to post_method_exit. If this
+    // is changed then the interpreter_frame_result implementation will
+    // need to be updated too.
+
+    // For c++ interpreter the result is always stored at a known location in the frame
+    // template interpreter will leave it on the top of the stack.
+    NOT_CC_INTERP(push(state);)
+    NOT_LP64(get_thread(rthread);)
+    movl(rdx, Address(rthread, JavaThread::interp_only_mode_offset()));
+    testl(rdx, rdx);
+    jcc(Assembler::zero, L);
+    call_VM(noreg,
+            CAST_FROM_FN_PTR(address, InterpreterRuntime::post_method_exit));
+    bind(L);
+    NOT_CC_INTERP(pop(state));
+  }
+
+  {
+    SkipIfEqual skip(this, &DTraceMethodProbes, false);
+    NOT_CC_INTERP(push(state));
+    NOT_LP64(get_thread(rthread);)
+    get_method(rarg);
+    call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit),
+                 rthread, rarg);
+    NOT_CC_INTERP(pop(state));
+  }
+}
--- a/hotspot/src/cpu/x86/vm/interp_masm_x86.hpp	Fri Mar 13 09:18:28 2015 -0700
+++ b/hotspot/src/cpu/x86/vm/interp_masm_x86.hpp	Fri Mar 13 15:16:07 2015 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 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
@@ -35,12 +35,254 @@
 
 class InterpreterMacroAssembler: public MacroAssembler {
 
-#ifdef TARGET_ARCH_MODEL_x86_32
-# include "interp_masm_x86_32.hpp"
-#endif
-#ifdef TARGET_ARCH_MODEL_x86_64
-# include "interp_masm_x86_64.hpp"
-#endif
+#ifndef CC_INTERP
+ protected:
+  // Interpreter specific version of call_VM_base
+  virtual void call_VM_leaf_base(address entry_point,
+                                 int number_of_arguments);
+
+  virtual void call_VM_base(Register oop_result,
+                            Register java_thread,
+                            Register last_java_sp,
+                            address  entry_point,
+                            int number_of_arguments,
+                            bool check_exceptions);
+
+  virtual void check_and_handle_popframe(Register java_thread);
+  virtual void check_and_handle_earlyret(Register java_thread);
+
+  // base routine for all dispatches
+  void dispatch_base(TosState state, address* table, bool verifyoop = true);
+#endif // CC_INTERP
+
+ public:
+  InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code),
+    _locals_register(LP64_ONLY(r14) NOT_LP64(rdi)),
+    _bcp_register(LP64_ONLY(r13) NOT_LP64(rsi)) {}
+
+  void load_earlyret_value(TosState state);
+
+#ifdef CC_INTERP
+  void save_bcp()                                          { /*  not needed in c++ interpreter and harmless */ }
+  void restore_bcp()                                       { /*  not needed in c++ interpreter and harmless */ }
+
+  // Helpers for runtime call arguments/results
+  void get_method(Register reg);
+
+#else
+
+  // Interpreter-specific registers
+  void save_bcp() {
+    movptr(Address(rbp, frame::interpreter_frame_bcp_offset * wordSize), _bcp_register);
+  }
+
+  void restore_bcp() {
+    movptr(_bcp_register, Address(rbp, frame::interpreter_frame_bcp_offset * wordSize));
+  }
+
+  void restore_locals() {
+    movptr(_locals_register, Address(rbp, frame::interpreter_frame_locals_offset * wordSize));
+  }
+
+  // Helpers for runtime call arguments/results
+  void get_method(Register reg) {
+    movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize));
+  }
+
+  void get_const(Register reg) {
+    get_method(reg);
+    movptr(reg, Address(reg, Method::const_offset()));
+  }
+
+  void get_constant_pool(Register reg) {
+    get_const(reg);
+    movptr(reg, Address(reg, ConstMethod::constants_offset()));
+  }
+
+  void get_constant_pool_cache(Register reg) {
+    get_constant_pool(reg);
+    movptr(reg, Address(reg, ConstantPool::cache_offset_in_bytes()));
+  }
+
+  void get_cpool_and_tags(Register cpool, Register tags) {
+    get_constant_pool(cpool);
+    movptr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes()));
+  }
+
+  void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
+  void get_cache_and_index_at_bcp(Register cache,
+                                  Register index,
+                                  int bcp_offset,
+                                  size_t index_size = sizeof(u2));
+  void get_cache_and_index_and_bytecode_at_bcp(Register cache,
+                                               Register index,
+                                               Register bytecode,
+                                               int byte_no,
+                                               int bcp_offset,
+                                               size_t index_size = sizeof(u2));
+  void get_cache_entry_pointer_at_bcp(Register cache,
+                                      Register tmp,
+                                      int bcp_offset,
+                                      size_t index_size = sizeof(u2));
+  void get_cache_index_at_bcp(Register index,
+                              int bcp_offset,
+                              size_t index_size = sizeof(u2));
+
+  // load cpool->resolved_references(index);
+  void load_resolved_reference_at_index(Register result, Register index);
+
+  NOT_LP64(void f2ieee();)        // truncate ftos to 32bits
+  NOT_LP64(void d2ieee();)        // truncate dtos to 64bits
+
+  // Expression stack
+  void pop_ptr(Register r = rax);
+  void pop_i(Register r = rax);
+  void push_ptr(Register r = rax);
+  void push_i(Register r = rax);
+
+#ifdef _LP64
+  void pop_l(Register r = rax);
+  void pop_f(XMMRegister r = xmm0);
+  void pop_d(XMMRegister r = xmm0);
+  void push_l(Register r = rax);
+  void push_f(XMMRegister r = xmm0);
+  void push_d(XMMRegister r = xmm0);
+#else
+  void pop_l(Register lo = rax, Register hi = rdx);
+  void pop_f();
+  void pop_d();
+
+  void push_l(Register lo = rax, Register hi = rdx);
+  void push_d(Register r = rax);
+  void push_f();
+#endif // _LP64
+
+  void pop(Register r) { ((MacroAssembler*)this)->pop(r); }
+  void push(Register r) { ((MacroAssembler*)this)->push(r); }
+  void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); }
+
+  void pop(TosState state);        // transition vtos -> state
+  void push(TosState state);       // transition state -> vtos
+
+  // These are dummies to prevent surprise implicit conversions to Register
+  void pop(void* v); // Add unimplemented ambiguous method
+  void push(void* v);   // Add unimplemented ambiguous method
+
+  void empty_expression_stack() {
+    movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
+    // NULL last_sp until next java call
+    movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
+  }
+
+  // Helpers for swap and dup
+  void load_ptr(int n, Register val);
+  void store_ptr(int n, Register val);
+
+  // Generate a subtype check: branch to ok_is_subtype if sub_klass is
+  // a subtype of super_klass.
+  void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
+
+  // Dispatching
+  void dispatch_prolog(TosState state, int step = 0);
+  void dispatch_epilog(TosState state, int step = 0);
+  // dispatch via rbx (assume rbx is loaded already)
+  void dispatch_only(TosState state);
+  // dispatch normal table via rbx (assume rbx is loaded already)
+  void dispatch_only_normal(TosState state);
+  void dispatch_only_noverify(TosState state);
+  // load rbx from [_bcp_register + step] and dispatch via rbx
+  void dispatch_next(TosState state, int step = 0);
+  // load rbx from [_bcp_register] and dispatch via rbx and table
+  void dispatch_via (TosState state, address* table);
+
+  // jump to an invoked target
+  void prepare_to_jump_from_interpreted();
+  void jump_from_interpreted(Register method, Register temp);
+
+  // Returning from interpreted functions
+  //
+  // Removes the current activation (incl. unlocking of monitors)
+  // and sets up the return address.  This code is also used for
+  // exception unwindwing. In that case, we do not want to throw
+  // IllegalMonitorStateExceptions, since that might get us into an
+  // infinite rethrow exception loop.
+  // Additionally this code is used for popFrame and earlyReturn.
+  // In popFrame case we want to skip throwing an exception,
+  // installing an exception, and notifying jvmdi.
+  // In earlyReturn case we only want to skip throwing an exception
+  // and installing an exception.
+  void remove_activation(TosState state, Register ret_addr,
+                         bool throw_monitor_exception = true,
+                         bool install_monitor_exception = true,
+                         bool notify_jvmdi = true);
+#endif // CC_INTERP
+  void get_method_counters(Register method, Register mcs, Label& skip);
+
+  // Object locking
+  void lock_object  (Register lock_reg);
+  void unlock_object(Register lock_reg);
+
+#ifndef CC_INTERP
+
+  // Interpreter profiling operations
+  void set_method_data_pointer_for_bcp();
+  void test_method_data_pointer(Register mdp, Label& zero_continue);
+  void verify_method_data_pointer();
+
+  void set_mdp_data_at(Register mdp_in, int constant, Register value);
+  void increment_mdp_data_at(Address data, bool decrement = false);
+  void increment_mdp_data_at(Register mdp_in, int constant,
+                             bool decrement = false);
+  void increment_mdp_data_at(Register mdp_in, Register reg, int constant,
+                             bool decrement = false);
+  void increment_mask_and_jump(Address counter_addr,
+                               int increment, Address mask,
+                               Register scratch, bool preloaded,
+                               Condition cond, Label* where);
+  void set_mdp_flag_at(Register mdp_in, int flag_constant);
+  void test_mdp_data_at(Register mdp_in, int offset, Register value,
+                        Register test_value_out,
+                        Label& not_equal_continue);
+
+  void record_klass_in_profile(Register receiver, Register mdp,
+                               Register reg2, bool is_virtual_call);
+  void record_klass_in_profile_helper(Register receiver, Register mdp,
+                                      Register reg2, int start_row,
+                                      Label& done, bool is_virtual_call);
+
+  void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
+  void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
+  void update_mdp_by_constant(Register mdp_in, int constant);
+  void update_mdp_for_ret(Register return_bci);
+
+  void profile_taken_branch(Register mdp, Register bumped_count);
+  void profile_not_taken_branch(Register mdp);
+  void profile_call(Register mdp);
+  void profile_final_call(Register mdp);
+  void profile_virtual_call(Register receiver, Register mdp,
+                            Register scratch2,
+                            bool receiver_can_be_null = false);
+  void profile_ret(Register return_bci, Register mdp);
+  void profile_null_seen(Register mdp);
+  void profile_typecheck(Register mdp, Register klass, Register scratch);
+  void profile_typecheck_failed(Register mdp);
+  void profile_switch_default(Register mdp);
+  void profile_switch_case(Register index_in_scratch, Register mdp,
+                           Register scratch2);
+
+  // Debugging
+  // only if +VerifyOops && state == atos
+  void verify_oop(Register reg, TosState state = atos);
+  // only if +VerifyFPU  && (state == ftos || state == dtos)
+  void verify_FPU(int stack_depth, TosState state = ftos);
+
+#endif // !CC_INTERP
+
+  typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
+
+  // support for jvmti/dtrace
+  void notify_method_entry();
+  void notify_method_exit(TosState state, NotifyMethodExitMode mode);
 
  private:
 
--- a/hotspot/src/cpu/x86/vm/interp_masm_x86_32.cpp	Fri Mar 13 09:18:28 2015 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1444 +0,0 @@
-/*
- * Copyright (c) 1997, 2014, 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.
- *
- */
-
-#include "precompiled.hpp"
-#include "interp_masm_x86.hpp"
-#include "interpreter/interpreter.hpp"
-#include "interpreter/interpreterRuntime.hpp"
-#include "oops/arrayOop.hpp"
-#include "oops/markOop.hpp"
-#include "oops/methodData.hpp"
-#include "oops/method.hpp"
-#include "prims/jvmtiExport.hpp"
-#include "prims/jvmtiRedefineClassesTrace.hpp"
-#include "prims/jvmtiThreadState.hpp"
-#include "runtime/basicLock.hpp"
-#include "runtime/biasedLocking.hpp"
-#include "runtime/sharedRuntime.hpp"
-#include "runtime/thread.inline.hpp"
-
-
-// Implementation of InterpreterMacroAssembler
-#ifdef CC_INTERP
-void InterpreterMacroAssembler::get_method(Register reg) {
-  movptr(reg, Address(rbp, -(sizeof(BytecodeInterpreter) + 2 * wordSize)));
-  movptr(reg, Address(reg, byte_offset_of(BytecodeInterpreter, _method)));
-}
-#endif // CC_INTERP
-
-
-#ifndef CC_INTERP
-void InterpreterMacroAssembler::call_VM_leaf_base(
-  address entry_point,
-  int     number_of_arguments
-) {
-  // interpreter specific
-  //
-  // Note: No need to save/restore bcp & locals (rsi & rdi) pointer
-  //       since these are callee saved registers and no blocking/
-  //       GC can happen in leaf calls.
-  // Further Note: DO NOT save/restore bcp/locals. If a caller has
-  // already saved them so that it can use rsi/rdi as temporaries
-  // then a save/restore here will DESTROY the copy the caller
-  // saved! There used to be a save_bcp() that only happened in
-  // the ASSERT path (no restore_bcp). Which caused bizarre failures
-  // when jvm built with ASSERTs.
-#ifdef ASSERT
-  { Label L;
-    cmpptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
-    jcc(Assembler::equal, L);
-    stop("InterpreterMacroAssembler::call_VM_leaf_base: last_sp != NULL");
-    bind(L);
-  }
-#endif
-  // super call
-  MacroAssembler::call_VM_leaf_base(entry_point, number_of_arguments);
-  // interpreter specific
-
-  // Used to ASSERT that rsi/rdi were equal to frame's bcp/locals
-  // but since they may not have been saved (and we don't want to
-  // save them here (see note above) the assert is invalid.
-}
-
-
-void InterpreterMacroAssembler::call_VM_base(
-  Register oop_result,
-  Register java_thread,
-  Register last_java_sp,
-  address  entry_point,
-  int      number_of_arguments,
-  bool     check_exceptions
-) {
-#ifdef ASSERT
-  { Label L;
-    cmpptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
-    jcc(Assembler::equal, L);
-    stop("InterpreterMacroAssembler::call_VM_base: last_sp != NULL");
-    bind(L);
-  }
-#endif /* ASSERT */
-  // interpreter specific
-  //
-  // Note: Could avoid restoring locals ptr (callee saved) - however doesn't
-  //       really make a difference for these runtime calls, since they are
-  //       slow anyway. Btw., bcp must be saved/restored since it may change
-  //       due to GC.
-  assert(java_thread == noreg , "not expecting a precomputed java thread");
-  save_bcp();
-  // super call
-  MacroAssembler::call_VM_base(oop_result, java_thread, last_java_sp, entry_point, number_of_arguments, check_exceptions);
-  // interpreter specific
-  restore_bcp();
-  restore_locals();
-}
-
-
-void InterpreterMacroAssembler::check_and_handle_popframe(Register java_thread) {
-  if (JvmtiExport::can_pop_frame()) {
-    Label L;
-    // Initiate popframe handling only if it is not already being processed.  If the flag
-    // has the popframe_processing bit set, it means that this code is called *during* popframe
-    // handling - we don't want to reenter.
-    Register pop_cond = java_thread;  // Not clear if any other register is available...
-    movl(pop_cond, Address(java_thread, JavaThread::popframe_condition_offset()));
-    testl(pop_cond, JavaThread::popframe_pending_bit);
-    jcc(Assembler::zero, L);
-    testl(pop_cond, JavaThread::popframe_processing_bit);
-    jcc(Assembler::notZero, L);
-    // Call Interpreter::remove_activation_preserving_args_entry() to get the
-    // address of the same-named entrypoint in the generated interpreter code.
-    call_VM_leaf(CAST_FROM_FN_PTR(address, Interpreter::remove_activation_preserving_args_entry));
-    jmp(rax);
-    bind(L);
-    get_thread(java_thread);
-  }
-}
-
-
-void InterpreterMacroAssembler::load_earlyret_value(TosState state) {
-  get_thread(rcx);
-  movl(rcx, Address(rcx, JavaThread::jvmti_thread_state_offset()));
-  const Address tos_addr (rcx, JvmtiThreadState::earlyret_tos_offset());
-  const Address oop_addr (rcx, JvmtiThreadState::earlyret_oop_offset());
-  const Address val_addr (rcx, JvmtiThreadState::earlyret_value_offset());
-  const Address val_addr1(rcx, JvmtiThreadState::earlyret_value_offset()
-                             + in_ByteSize(wordSize));
-  switch (state) {
-    case atos: movptr(rax, oop_addr);
-               movptr(oop_addr, NULL_WORD);
-               verify_oop(rax, state);                break;
-    case ltos:
-               movl(rdx, val_addr1);               // fall through
-    case btos:                                     // fall through
-    case ctos:                                     // fall through
-    case stos:                                     // fall through
-    case itos: movl(rax, val_addr);                   break;
-    case ftos: fld_s(val_addr);                       break;
-    case dtos: fld_d(val_addr);                       break;
-    case vtos: /* nothing to do */                    break;
-    default  : ShouldNotReachHere();
-  }
-  // Clean up tos value in the thread object
-  movl(tos_addr,  (int32_t) ilgl);
-  movptr(val_addr,  NULL_WORD);
-  NOT_LP64(movptr(val_addr1, NULL_WORD));
-}
-
-
-void InterpreterMacroAssembler::check_and_handle_earlyret(Register java_thread) {
-  if (JvmtiExport::can_force_early_return()) {
-    Label L;
-    Register tmp = java_thread;
-    movptr(tmp, Address(tmp, JavaThread::jvmti_thread_state_offset()));
-    testptr(tmp, tmp);
-    jcc(Assembler::zero, L); // if (thread->jvmti_thread_state() == NULL) exit;
-
-    // Initiate earlyret handling only if it is not already being processed.
-    // If the flag has the earlyret_processing bit set, it means that this code
-    // is called *during* earlyret handling - we don't want to reenter.
-    movl(tmp, Address(tmp, JvmtiThreadState::earlyret_state_offset()));
-    cmpl(tmp, JvmtiThreadState::earlyret_pending);
-    jcc(Assembler::notEqual, L);
-
-    // Call Interpreter::remove_activation_early_entry() to get the address of the
-    // same-named entrypoint in the generated interpreter code.
-    get_thread(java_thread);
-    movptr(tmp, Address(java_thread, JavaThread::jvmti_thread_state_offset()));
-    pushl(Address(tmp, JvmtiThreadState::earlyret_tos_offset()));
-    call_VM_leaf(CAST_FROM_FN_PTR(address, Interpreter::remove_activation_early_entry), 1);
-    jmp(rax);
-    bind(L);
-    get_thread(java_thread);
-  }
-}
-
-
-void InterpreterMacroAssembler::get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset) {
-  assert(bcp_offset >= 0, "bcp is still pointing to start of bytecode");
-  load_unsigned_short(reg, Address(rsi, bcp_offset));
-  bswapl(reg);
-  shrl(reg, 16);
-}
-
-
-void InterpreterMacroAssembler::get_cache_index_at_bcp(Register reg, int bcp_offset, size_t index_size) {
-  assert(bcp_offset > 0, "bcp is still pointing to start of bytecode");
-  if (index_size == sizeof(u2)) {
-    load_unsigned_short(reg, Address(rsi, bcp_offset));
-  } else if (index_size == sizeof(u4)) {
-    movl(reg, Address(rsi, bcp_offset));
-    // Check if the secondary index definition is still ~x, otherwise
-    // we have to change the following assembler code to calculate the
-    // plain index.
-    assert(ConstantPool::decode_invokedynamic_index(~123) == 123, "else change next line");
-    notl(reg);  // convert to plain index
-  } else if (index_size == sizeof(u1)) {
-    load_unsigned_byte(reg, Address(rsi, bcp_offset));
-  } else {
-    ShouldNotReachHere();
-  }
-}
-
-
-void InterpreterMacroAssembler::get_cache_and_index_at_bcp(Register cache, Register index,
-                                                           int bcp_offset, size_t index_size) {
-  assert_different_registers(cache, index);
-  get_cache_index_at_bcp(index, bcp_offset, index_size);
-  movptr(cache, Address(rbp, frame::interpreter_frame_cache_offset * wordSize));
-  assert(sizeof(ConstantPoolCacheEntry) == 4*wordSize, "adjust code below");
-  assert(exact_log2(in_words(ConstantPoolCacheEntry::size())) == 2, "else change next line");
-  shlptr(index, 2); // convert from field index to ConstantPoolCacheEntry index
-}
-
-
-void InterpreterMacroAssembler::get_cache_and_index_and_bytecode_at_bcp(Register cache,
-                                                                        Register index,
-                                                                        Register bytecode,
-                                                                        int byte_no,
-                                                                        int bcp_offset,
-                                                                        size_t index_size) {
-  get_cache_and_index_at_bcp(cache, index, bcp_offset, index_size);
-  movptr(bytecode, Address(cache, index, Address::times_ptr, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::indices_offset()));
-  const int shift_count = (1 + byte_no) * BitsPerByte;
-  assert((byte_no == TemplateTable::f1_byte && shift_count == ConstantPoolCacheEntry::bytecode_1_shift) ||
-         (byte_no == TemplateTable::f2_byte && shift_count == ConstantPoolCacheEntry::bytecode_2_shift),
-         "correct shift count");
-  shrptr(bytecode, shift_count);
-  assert(ConstantPoolCacheEntry::bytecode_1_mask == ConstantPoolCacheEntry::bytecode_2_mask, "common mask");
-  andptr(bytecode, ConstantPoolCacheEntry::bytecode_1_mask);
-}
-
-
-void InterpreterMacroAssembler::get_cache_entry_pointer_at_bcp(Register cache, Register tmp,
-                                                               int bcp_offset, size_t index_size) {
-  assert(cache != tmp, "must use different register");
-  get_cache_index_at_bcp(tmp, bcp_offset, index_size);
-  assert(sizeof(ConstantPoolCacheEntry) == 4*wordSize, "adjust code below");
-                               // convert from field index to ConstantPoolCacheEntry index
-                               // and from word offset to byte offset
-  assert(exact_log2(in_bytes(ConstantPoolCacheEntry::size_in_bytes())) == 2 + LogBytesPerWord, "else change next line");
-  shll(tmp, 2 + LogBytesPerWord);
-  movptr(cache, Address(rbp, frame::interpreter_frame_cache_offset * wordSize));
-                               // skip past the header
-  addptr(cache, in_bytes(ConstantPoolCache::base_offset()));
-  addptr(cache, tmp);            // construct pointer to cache entry
-}
-
-// Load object from cpool->resolved_references(index)
-void InterpreterMacroAssembler::load_resolved_reference_at_index(
-                                           Register result, Register index) {
-  assert_different_registers(result, index);
-  // convert from field index to resolved_references() index and from
-  // word index to byte offset. Since this is a java object, it can be compressed
-  Register tmp = index;  // reuse
-  shll(tmp, LogBytesPerHeapOop);
-
-  get_constant_pool(result);
-  // load pointer for resolved_references[] objArray
-  movptr(result, Address(result, ConstantPool::resolved_references_offset_in_bytes()));
-  // JNIHandles::resolve(obj);
-  movptr(result, Address(result, 0));
-  // Add in the index
-  addptr(result, tmp);
-  load_heap_oop(result, Address(result, arrayOopDesc::base_offset_in_bytes(T_OBJECT)));
-}
-
-  // Generate a subtype check: branch to ok_is_subtype if sub_klass is
-  // a subtype of super_klass.  EAX holds the super_klass.  Blows ECX.
-  // Resets EDI to locals.  Register sub_klass cannot be any of the above.
-void InterpreterMacroAssembler::gen_subtype_check( Register Rsub_klass, Label &ok_is_subtype ) {
-  assert( Rsub_klass != rax, "rax, holds superklass" );
-  assert( Rsub_klass != rcx, "used as a temp" );
-  assert( Rsub_klass != rdi, "used as a temp, restored from locals" );
-
-  // Profile the not-null value's klass.
-  profile_typecheck(rcx, Rsub_klass, rdi); // blows rcx, reloads rdi
-
-  // Do the check.
-  check_klass_subtype(Rsub_klass, rax, rcx, ok_is_subtype); // blows rcx
-
-  // Profile the failure of the check.
-  profile_typecheck_failed(rcx); // blows rcx
-}
-
-void InterpreterMacroAssembler::f2ieee() {
-  if (IEEEPrecision) {
-    fstp_s(Address(rsp, 0));
-    fld_s(Address(rsp, 0));
-  }
-}
-
-
-void InterpreterMacroAssembler::d2ieee() {
-  if (IEEEPrecision) {
-    fstp_d(Address(rsp, 0));
-    fld_d(Address(rsp, 0));
-  }
-}
-
-// Java Expression Stack
-
-void InterpreterMacroAssembler::pop_ptr(Register r) {
-  pop(r);
-}
-
-void InterpreterMacroAssembler::pop_i(Register r) {
-  pop(r);
-}
-
-void InterpreterMacroAssembler::pop_l(Register lo, Register hi) {
-  pop(lo);
-  pop(hi);
-}
-
-void InterpreterMacroAssembler::pop_f() {
-  fld_s(Address(rsp, 0));
-  addptr(rsp, 1 * wordSize);
-}
-
-void InterpreterMacroAssembler::pop_d() {
-  fld_d(Address(rsp, 0));
-  addptr(rsp, 2 * wordSize);
-}
-
-
-void InterpreterMacroAssembler::pop(TosState state) {
-  switch (state) {
-    case atos: pop_ptr(rax);                                 break;
-    case btos:                                               // fall through
-    case ctos:                                               // fall through
-    case stos:                                               // fall through
-    case itos: pop_i(rax);                                   break;
-    case ltos: pop_l(rax, rdx);                              break;
-    case ftos: pop_f();                                      break;
-    case dtos: pop_d();                                      break;
-    case vtos: /* nothing to do */                           break;
-    default  : ShouldNotReachHere();
-  }
-  verify_oop(rax, state);
-}
-
-void InterpreterMacroAssembler::push_ptr(Register r) {
-  push(r);
-}
-
-void InterpreterMacroAssembler::push_i(Register r) {
-  push(r);
-}
-
-void InterpreterMacroAssembler::push_l(Register lo, Register hi) {
-  push(hi);
-  push(lo);
-}
-
-void InterpreterMacroAssembler::push_f() {
-  // Do not schedule for no AGI! Never write beyond rsp!
-  subptr(rsp, 1 * wordSize);
-  fstp_s(Address(rsp, 0));
-}
-
-void InterpreterMacroAssembler::push_d(Register r) {
-  // Do not schedule for no AGI! Never write beyond rsp!
-  subptr(rsp, 2 * wordSize);
-  fstp_d(Address(rsp, 0));
-}
-
-
-void InterpreterMacroAssembler::push(TosState state) {
-  verify_oop(rax, state);
-  switch (state) {
-    case atos: push_ptr(rax); break;
-    case btos:                                               // fall through
-    case ctos:                                               // fall through
-    case stos:                                               // fall through
-    case itos: push_i(rax);                                    break;
-    case ltos: push_l(rax, rdx);                               break;
-    case ftos: push_f();                                       break;
-    case dtos: push_d(rax);                                    break;
-    case vtos: /* nothing to do */                             break;
-    default  : ShouldNotReachHere();
-  }
-}
-
-
-// Helpers for swap and dup
-void InterpreterMacroAssembler::load_ptr(int n, Register val) {
-  movptr(val, Address(rsp, Interpreter::expr_offset_in_bytes(n)));
-}
-
-void InterpreterMacroAssembler::store_ptr(int n, Register val) {
-  movptr(Address(rsp, Interpreter::expr_offset_in_bytes(n)), val);
-}
-
-void InterpreterMacroAssembler::prepare_to_jump_from_interpreted() {
-  // set sender sp
-  lea(rsi, Address(rsp, wordSize));
-  // record last_sp
-  movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), rsi);
-}
-
-
-// Jump to from_interpreted entry of a call unless single stepping is possible
-// in this thread in which case we must call the i2i entry
-void InterpreterMacroAssembler::jump_from_interpreted(Register method, Register temp) {
-  prepare_to_jump_from_interpreted();
-
-  if (JvmtiExport::can_post_interpreter_events()) {
-    Label run_compiled_code;
-    // JVMTI events, such as single-stepping, are implemented partly by avoiding running
-    // compiled code in threads for which the event is enabled.  Check here for
-    // interp_only_mode if these events CAN be enabled.
-    get_thread(temp);
-    // interp_only is an int, on little endian it is sufficient to test the byte only
-    // Is a cmpl faster?
-    cmpb(Address(temp, JavaThread::interp_only_mode_offset()), 0);
-    jccb(Assembler::zero, run_compiled_code);
-    jmp(Address(method, Method::interpreter_entry_offset()));
-    bind(run_compiled_code);
-  }
-
-  jmp(Address(method, Method::from_interpreted_offset()));
-
-}
-
-
-// The following two routines provide a hook so that an implementation
-// can schedule the dispatch in two parts.  Intel does not do this.
-void InterpreterMacroAssembler::dispatch_prolog(TosState state, int step) {
-  // Nothing Intel-specific to be done here.
-}
-
-void InterpreterMacroAssembler::dispatch_epilog(TosState state, int step) {
-  dispatch_next(state, step);
-}
-
-void InterpreterMacroAssembler::dispatch_base(TosState state, address* table,
-                                              bool verifyoop) {
-  verify_FPU(1, state);
-  if (VerifyActivationFrameSize) {
-    Label L;
-    mov(rcx, rbp);
-    subptr(rcx, rsp);
-    int min_frame_size = (frame::link_offset - frame::interpreter_frame_initial_sp_offset) * wordSize;
-    cmpptr(rcx, min_frame_size);
-    jcc(Assembler::greaterEqual, L);
-    stop("broken stack frame");
-    bind(L);
-  }
-  if (verifyoop) verify_oop(rax, state);
-  Address index(noreg, rbx, Address::times_ptr);
-  ExternalAddress tbl((address)table);
-  ArrayAddress dispatch(tbl, index);
-  jump(dispatch);
-}
-
-
-void InterpreterMacroAssembler::dispatch_only(TosState state) {
-  dispatch_base(state, Interpreter::dispatch_table(state));
-}
-
-
-void InterpreterMacroAssembler::dispatch_only_normal(TosState state) {
-  dispatch_base(state, Interpreter::normal_table(state));
-}
-
-void InterpreterMacroAssembler::dispatch_only_noverify(TosState state) {
-  dispatch_base(state, Interpreter::normal_table(state), false);
-}
-
-
-void InterpreterMacroAssembler::dispatch_next(TosState state, int step) {
-  // load next bytecode (load before advancing rsi to prevent AGI)
-  load_unsigned_byte(rbx, Address(rsi, step));
-  // advance rsi
-  increment(rsi, step);
-  dispatch_base(state, Interpreter::dispatch_table(state));
-}
-
-
-void InterpreterMacroAssembler::dispatch_via(TosState state, address* table) {
-  // load current bytecode
-  load_unsigned_byte(rbx, Address(rsi, 0));
-  dispatch_base(state, table);
-}
-
-// remove activation
-//
-// Unlock the receiver if this is a synchronized method.
-// Unlock any Java monitors from syncronized blocks.
-// Remove the activation from the stack.
-//
-// If there are locked Java monitors
-//    If throw_monitor_exception
-//       throws IllegalMonitorStateException
-//    Else if install_monitor_exception
-//       installs IllegalMonitorStateException
-//    Else
-//       no error processing
-void InterpreterMacroAssembler::remove_activation(TosState state, Register ret_addr,
-                                                  bool throw_monitor_exception,
-                                                  bool install_monitor_exception,
-                                                  bool notify_jvmdi) {
-  // Note: Registers rax, rdx and FPU ST(0) may be in use for the result
-  // check if synchronized method
-  Label unlocked, unlock, no_unlock;
-
-  get_thread(rcx);
-  const Address do_not_unlock_if_synchronized(rcx,
-    in_bytes(JavaThread::do_not_unlock_if_synchronized_offset()));
-
-  movbool(rbx, do_not_unlock_if_synchronized);
-  mov(rdi,rbx);
-  movbool(do_not_unlock_if_synchronized, false); // reset the flag
-
-  movptr(rbx, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); // get method access flags
-  movl(rcx, Address(rbx, Method::access_flags_offset()));
-
-  testl(rcx, JVM_ACC_SYNCHRONIZED);
-  jcc(Assembler::zero, unlocked);
-
-  // Don't unlock anything if the _do_not_unlock_if_synchronized flag
-  // is set.
-  mov(rcx,rdi);
-  testbool(rcx);
-  jcc(Assembler::notZero, no_unlock);
-
-  // unlock monitor
-  push(state);                                   // save result
-
-  // BasicObjectLock will be first in list, since this is a synchronized method. However, need
-  // to check that the object has not been unlocked by an explicit monitorexit bytecode.
-  const Address monitor(rbp, frame::interpreter_frame_initial_sp_offset * wordSize - (int)sizeof(BasicObjectLock));
-  lea   (rdx, monitor);                          // address of first monitor
-
-  movptr (rax, Address(rdx, BasicObjectLock::obj_offset_in_bytes()));
-  testptr(rax, rax);
-  jcc    (Assembler::notZero, unlock);
-
-  pop(state);
-  if (throw_monitor_exception) {
-    empty_FPU_stack();  // remove possible return value from FPU-stack, otherwise stack could overflow
-
-    // Entry already unlocked, need to throw exception
-    call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_illegal_monitor_state_exception));
-    should_not_reach_here();
-  } else {
-    // Monitor already unlocked during a stack unroll.
-    // If requested, install an illegal_monitor_state_exception.
-    // Continue with stack unrolling.
-    if (install_monitor_exception) {
-      empty_FPU_stack();  // remove possible return value from FPU-stack, otherwise stack could overflow
-      call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::new_illegal_monitor_state_exception));
-    }
-    jmp(unlocked);
-  }
-
-  bind(unlock);
-  unlock_object(rdx);
-  pop(state);
-
-  // Check that for block-structured locking (i.e., that all locked objects has been unlocked)
-  bind(unlocked);
-
-  // rax, rdx: Might contain return value
-
-  // Check that all monitors are unlocked
-  {
-    Label loop, exception, entry, restart;
-    const int entry_size               = frame::interpreter_frame_monitor_size()           * wordSize;
-    const Address monitor_block_top(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize);
-    const Address monitor_block_bot(rbp, frame::interpreter_frame_initial_sp_offset        * wordSize);
-
-    bind(restart);
-    movptr(rcx, monitor_block_top);           // points to current entry, starting with top-most entry
-    lea(rbx, monitor_block_bot);              // points to word before bottom of monitor block
-    jmp(entry);
-
-    // Entry already locked, need to throw exception
-    bind(exception);
-
-    if (throw_monitor_exception) {
-      empty_FPU_stack();  // remove possible return value from FPU-stack, otherwise stack could overflow
-
-      // Throw exception
-      call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_illegal_monitor_state_exception));
-      should_not_reach_here();
-    } else {
-      // Stack unrolling. Unlock object and install illegal_monitor_exception
-      // Unlock does not block, so don't have to worry about the frame
-
-      push(state);
-      mov(rdx, rcx);
-      unlock_object(rdx);
-      pop(state);
-
-      if (install_monitor_exception) {
-        empty_FPU_stack();  // remove possible return value from FPU-stack, otherwise stack could overflow
-        call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::new_illegal_monitor_state_exception));
-      }
-
-      jmp(restart);
-    }
-
-    bind(loop);
-    cmpptr(Address(rcx, BasicObjectLock::obj_offset_in_bytes()), (int32_t)NULL_WORD);  // check if current entry is used
-    jcc(Assembler::notEqual, exception);
-
-    addptr(rcx, entry_size);                     // otherwise advance to next entry
-    bind(entry);
-    cmpptr(rcx, rbx);                            // check if bottom reached
-    jcc(Assembler::notEqual, loop);              // if not at bottom then check this entry
-  }
-
-  bind(no_unlock);
-
-  // jvmti support
-  if (notify_jvmdi) {
-    notify_method_exit(state, NotifyJVMTI);     // preserve TOSCA
-  } else {
-    notify_method_exit(state, SkipNotifyJVMTI); // preserve TOSCA
-  }
-
-  // remove activation
-  movptr(rbx, Address(rbp, frame::interpreter_frame_sender_sp_offset * wordSize)); // get sender sp
-  leave();                                     // remove frame anchor
-  pop(ret_addr);                               // get return address
-  mov(rsp, rbx);                               // set sp to sender sp
-  if (UseSSE) {
-    // float and double are returned in xmm register in SSE-mode
-    if (state == ftos && UseSSE >= 1) {
-      subptr(rsp, wordSize);
-      fstp_s(Address(rsp, 0));
-      movflt(xmm0, Address(rsp, 0));
-      addptr(rsp, wordSize);
-    } else if (state == dtos && UseSSE >= 2) {
-      subptr(rsp, 2*wordSize);
-      fstp_d(Address(rsp, 0));
-      movdbl(xmm0, Address(rsp, 0));
-      addptr(rsp, 2*wordSize);
-    }
-  }
-}
-
-#endif /* !CC_INTERP */
-
-void InterpreterMacroAssembler::get_method_counters(Register method,
-                                                    Register mcs, Label& skip) {
-  Label has_counters;
-  movptr(mcs, Address(method, Method::method_counters_offset()));
-  testptr(mcs, mcs);
-  jcc(Assembler::notZero, has_counters);
-  call_VM(noreg, CAST_FROM_FN_PTR(address,
-          InterpreterRuntime::build_method_counters), method);
-  movptr(mcs, Address(method,Method::method_counters_offset()));
-  testptr(mcs, mcs);
-  jcc(Assembler::zero, skip); // No MethodCounters allocated, OutOfMemory
-  bind(has_counters);
-}
-
-
-// Lock object
-//
-// Argument: rdx : Points to BasicObjectLock to be used for locking. Must
-// be initialized with object to lock
-void InterpreterMacroAssembler::lock_object(Register lock_reg) {
-  assert(lock_reg == rdx, "The argument is only for looks. It must be rdx");
-
-  if (UseHeavyMonitors) {
-    call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorenter), lock_reg);
-  } else {
-
-    Label done;
-
-    const Register swap_reg = rax;  // Must use rax, for cmpxchg instruction
-    const Register obj_reg  = rcx;  // Will contain the oop
-
-    const int obj_offset = BasicObjectLock::obj_offset_in_bytes();
-    const int lock_offset = BasicObjectLock::lock_offset_in_bytes ();
-    const int mark_offset = lock_offset + BasicLock::displaced_header_offset_in_bytes();
-
-    Label slow_case;
-
-    // Load object pointer into obj_reg %rcx
-    movptr(obj_reg, Address(lock_reg, obj_offset));
-
-    if (UseBiasedLocking) {
-      // Note: we use noreg for the temporary register since it's hard
-      // to come up with a free register on all incoming code paths
-      biased_locking_enter(lock_reg, obj_reg, swap_reg, noreg, false, done, &slow_case);
-    }
-
-    // Load immediate 1 into swap_reg %rax,
-    movptr(swap_reg, (int32_t)1);
-
-    // Load (object->mark() | 1) into swap_reg %rax,
-    orptr(swap_reg, Address(obj_reg, 0));
-
-    // Save (object->mark() | 1) into BasicLock's displaced header
-    movptr(Address(lock_reg, mark_offset), swap_reg);
-
-    assert(lock_offset == 0, "displached header must be first word in BasicObjectLock");
-    if (os::is_MP()) {
-      lock();
-    }
-    cmpxchgptr(lock_reg, Address(obj_reg, 0));
-    if (PrintBiasedLockingStatistics) {
-      cond_inc32(Assembler::zero,
-                 ExternalAddress((address) BiasedLocking::fast_path_entry_count_addr()));
-    }
-    jcc(Assembler::zero, done);
-
-    // Test if the oopMark is an obvious stack pointer, i.e.,
-    //  1) (mark & 3) == 0, and
-    //  2) rsp <= mark < mark + os::pagesize()
-    //
-    // These 3 tests can be done by evaluating the following
-    // expression: ((mark - rsp) & (3 - os::vm_page_size())),
-    // assuming both stack pointer and pagesize have their
-    // least significant 2 bits clear.
-    // NOTE: the oopMark is in swap_reg %rax, as the result of cmpxchg
-    subptr(swap_reg, rsp);
-    andptr(swap_reg, 3 - os::vm_page_size());
-
-    // Save the test result, for recursive case, the result is zero
-    movptr(Address(lock_reg, mark_offset), swap_reg);
-
-    if (PrintBiasedLockingStatistics) {
-      cond_inc32(Assembler::zero,
-                 ExternalAddress((address) BiasedLocking::fast_path_entry_count_addr()));
-    }
-    jcc(Assembler::zero, done);
-
-    bind(slow_case);
-
-    // Call the runtime routine for slow case
-    call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorenter), lock_reg);
-
-    bind(done);
-  }
-}
-
-
-// Unlocks an object. Used in monitorexit bytecode and remove_activation.
-//
-// Argument: rdx : Points to BasicObjectLock structure for lock
-// Throw an IllegalMonitorException if object is not locked by current thread
-//
-// Uses: rax, rbx, rcx, rdx
-void InterpreterMacroAssembler::unlock_object(Register lock_reg) {
-  assert(lock_reg == rdx, "The argument is only for looks. It must be rdx");
-
-  if (UseHeavyMonitors) {
-    call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorexit), lock_reg);
-  } else {
-    Label done;
-
-    const Register swap_reg   = rax;  // Must use rax, for cmpxchg instruction
-    const Register header_reg = rbx;  // Will contain the old oopMark
-    const Register obj_reg    = rcx;  // Will contain the oop
-
-    save_bcp(); // Save in case of exception
-
-    // Convert from BasicObjectLock structure to object and BasicLock structure
-    // Store the BasicLock address into %rax,
-    lea(swap_reg, Address(lock_reg, BasicObjectLock::lock_offset_in_bytes()));
-
-    // Load oop into obj_reg(%rcx)
-    movptr(obj_reg, Address(lock_reg, BasicObjectLock::obj_offset_in_bytes ()));
-
-    // Free entry
-    movptr(Address(lock_reg, BasicObjectLock::obj_offset_in_bytes()), NULL_WORD);
-
-    if (UseBiasedLocking) {
-      biased_locking_exit(obj_reg, header_reg, done);
-    }
-
-    // Load the old header from BasicLock structure
-    movptr(header_reg, Address(swap_reg, BasicLock::displaced_header_offset_in_bytes()));
-
-    // Test for recursion
-    testptr(header_reg, header_reg);
-
-    // zero for recursive case
-    jcc(Assembler::zero, done);
-
-    // Atomic swap back the old header
-    if (os::is_MP()) lock();
-    cmpxchgptr(header_reg, Address(obj_reg, 0));
-
-    // zero for recursive case
-    jcc(Assembler::zero, done);
-
-    // Call the runtime routine for slow case.
-    movptr(Address(lock_reg, BasicObjectLock::obj_offset_in_bytes()), obj_reg); // restore obj
-    call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorexit), lock_reg);
-
-    bind(done);
-
-    restore_bcp();
-  }
-}
-
-
-#ifndef CC_INTERP
-
-// Test ImethodDataPtr.  If it is null, continue at the specified label
-void InterpreterMacroAssembler::test_method_data_pointer(Register mdp, Label& zero_continue) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  movptr(mdp, Address(rbp, frame::interpreter_frame_mdp_offset * wordSize));
-  testptr(mdp, mdp);
-  jcc(Assembler::zero, zero_continue);
-}
-
-
-// Set the method data pointer for the current bcp.
-void InterpreterMacroAssembler::set_method_data_pointer_for_bcp() {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  Label set_mdp;
-  push(rax);
-  push(rbx);
-
-  get_method(rbx);
-  // Test MDO to avoid the call if it is NULL.
-  movptr(rax, Address(rbx, in_bytes(Method::method_data_offset())));
-  testptr(rax, rax);
-  jcc(Assembler::zero, set_mdp);
-  // rbx,: method
-  // rsi: bcp
-  call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::bcp_to_di), rbx, rsi);
-  // rax,: mdi
-  // mdo is guaranteed to be non-zero here, we checked for it before the call.
-  movptr(rbx, Address(rbx, in_bytes(Method::method_data_offset())));
-  addptr(rbx, in_bytes(MethodData::data_offset()));
-  addptr(rax, rbx);
-  bind(set_mdp);
-  movptr(Address(rbp, frame::interpreter_frame_mdp_offset * wordSize), rax);
-  pop(rbx);
-  pop(rax);
-}
-
-void InterpreterMacroAssembler::verify_method_data_pointer() {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-#ifdef ASSERT
-  Label verify_continue;
-  push(rax);
-  push(rbx);
-  push(rcx);
-  push(rdx);
-  test_method_data_pointer(rcx, verify_continue); // If mdp is zero, continue
-  get_method(rbx);
-
-  // If the mdp is valid, it will point to a DataLayout header which is
-  // consistent with the bcp.  The converse is highly probable also.
-  load_unsigned_short(rdx, Address(rcx, in_bytes(DataLayout::bci_offset())));
-  addptr(rdx, Address(rbx, Method::const_offset()));
-  lea(rdx, Address(rdx, ConstMethod::codes_offset()));
-  cmpptr(rdx, rsi);
-  jcc(Assembler::equal, verify_continue);
-  // rbx,: method
-  // rsi: bcp
-  // rcx: mdp
-  call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::verify_mdp), rbx, rsi, rcx);
-  bind(verify_continue);
-  pop(rdx);
-  pop(rcx);
-  pop(rbx);
-  pop(rax);
-#endif // ASSERT
-}
-
-
-void InterpreterMacroAssembler::set_mdp_data_at(Register mdp_in, int constant, Register value) {
-  // %%% this seems to be used to store counter data which is surely 32bits
-  // however 64bit side stores 64 bits which seems wrong
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  Address data(mdp_in, constant);
-  movptr(data, value);
-}
-
-
-void InterpreterMacroAssembler::increment_mdp_data_at(Register mdp_in,
-                                                      int constant,
-                                                      bool decrement) {
-  // Counter address
-  Address data(mdp_in, constant);
-
-  increment_mdp_data_at(data, decrement);
-}
-
-
-void InterpreterMacroAssembler::increment_mdp_data_at(Address data,
-                                                      bool decrement) {
-
-  assert( DataLayout::counter_increment==1, "flow-free idiom only works with 1" );
-  assert(ProfileInterpreter, "must be profiling interpreter");
-
-  // %%% 64bit treats this as 64 bit which seems unlikely
-  if (decrement) {
-    // Decrement the register.  Set condition codes.
-    addl(data, -DataLayout::counter_increment);
-    // If the decrement causes the counter to overflow, stay negative
-    Label L;
-    jcc(Assembler::negative, L);
-    addl(data, DataLayout::counter_increment);
-    bind(L);
-  } else {
-    assert(DataLayout::counter_increment == 1,
-           "flow-free idiom only works with 1");
-    // Increment the register.  Set carry flag.
-    addl(data, DataLayout::counter_increment);
-    // If the increment causes the counter to overflow, pull back by 1.
-    sbbl(data, 0);
-  }
-}
-
-
-void InterpreterMacroAssembler::increment_mdp_data_at(Register mdp_in,
-                                                      Register reg,
-                                                      int constant,
-                                                      bool decrement) {
-  Address data(mdp_in, reg, Address::times_1, constant);
-
-  increment_mdp_data_at(data, decrement);
-}
-
-
-void InterpreterMacroAssembler::set_mdp_flag_at(Register mdp_in, int flag_byte_constant) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  int header_offset = in_bytes(DataLayout::header_offset());
-  int header_bits = DataLayout::flag_mask_to_header_mask(flag_byte_constant);
-  // Set the flag
-  orl(Address(mdp_in, header_offset), header_bits);
-}
-
-
-
-void InterpreterMacroAssembler::test_mdp_data_at(Register mdp_in,
-                                                 int offset,
-                                                 Register value,
-                                                 Register test_value_out,
-                                                 Label& not_equal_continue) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  if (test_value_out == noreg) {
-    cmpptr(value, Address(mdp_in, offset));
-  } else {
-    // Put the test value into a register, so caller can use it:
-    movptr(test_value_out, Address(mdp_in, offset));
-    cmpptr(test_value_out, value);
-  }
-  jcc(Assembler::notEqual, not_equal_continue);
-}
-
-
-void InterpreterMacroAssembler::update_mdp_by_offset(Register mdp_in, int offset_of_disp) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  Address disp_address(mdp_in, offset_of_disp);
-  addptr(mdp_in,disp_address);
-  movptr(Address(rbp, frame::interpreter_frame_mdp_offset * wordSize), mdp_in);
-}
-
-
-void InterpreterMacroAssembler::update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  Address disp_address(mdp_in, reg, Address::times_1, offset_of_disp);
-  addptr(mdp_in, disp_address);
-  movptr(Address(rbp, frame::interpreter_frame_mdp_offset * wordSize), mdp_in);
-}
-
-
-void InterpreterMacroAssembler::update_mdp_by_constant(Register mdp_in, int constant) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  addptr(mdp_in, constant);
-  movptr(Address(rbp, frame::interpreter_frame_mdp_offset * wordSize), mdp_in);
-}
-
-
-void InterpreterMacroAssembler::update_mdp_for_ret(Register return_bci) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  push(return_bci);             // save/restore across call_VM
-  call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::update_mdp_for_ret), return_bci);
-  pop(return_bci);
-}
-
-
-void InterpreterMacroAssembler::profile_taken_branch(Register mdp, Register bumped_count) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    // Otherwise, assign to mdp
-    test_method_data_pointer(mdp, profile_continue);
-
-    // We are taking a branch.  Increment the taken count.
-    // We inline increment_mdp_data_at to return bumped_count in a register
-    //increment_mdp_data_at(mdp, in_bytes(JumpData::taken_offset()));
-    Address data(mdp, in_bytes(JumpData::taken_offset()));
-
-    // %%% 64bit treats these cells as 64 bit but they seem to be 32 bit
-    movl(bumped_count,data);
-    assert( DataLayout::counter_increment==1, "flow-free idiom only works with 1" );
-    addl(bumped_count, DataLayout::counter_increment);
-    sbbl(bumped_count, 0);
-    movl(data,bumped_count);    // Store back out
-
-    // The method data pointer needs to be updated to reflect the new target.
-    update_mdp_by_offset(mdp, in_bytes(JumpData::displacement_offset()));
-    bind (profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_not_taken_branch(Register mdp) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    // We are taking a branch.  Increment the not taken count.
-    increment_mdp_data_at(mdp, in_bytes(BranchData::not_taken_offset()));
-
-    // The method data pointer needs to be updated to correspond to the next bytecode
-    update_mdp_by_constant(mdp, in_bytes(BranchData::branch_data_size()));
-    bind (profile_continue);
-  }
-}
-
-void InterpreterMacroAssembler::profile_call(Register mdp) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    // We are making a call.  Increment the count.
-    increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
-
-    // The method data pointer needs to be updated to reflect the new target.
-    update_mdp_by_constant(mdp, in_bytes(CounterData::counter_data_size()));
-    bind (profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_final_call(Register mdp) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    // We are making a call.  Increment the count.
-    increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
-
-    // The method data pointer needs to be updated to reflect the new target.
-    update_mdp_by_constant(mdp, in_bytes(VirtualCallData::virtual_call_data_size()));
-    bind (profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_virtual_call(Register receiver, Register mdp,
-                                                     Register reg2,
-                                                     bool receiver_can_be_null) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    Label skip_receiver_profile;
-    if (receiver_can_be_null) {
-      Label not_null;
-      testptr(receiver, receiver);
-      jccb(Assembler::notZero, not_null);
-      // We are making a call.  Increment the count for null receiver.
-      increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
-      jmp(skip_receiver_profile);
-      bind(not_null);
-    }
-
-    // Record the receiver type.
-    record_klass_in_profile(receiver, mdp, reg2, true);
-    bind(skip_receiver_profile);
-
-    // The method data pointer needs to be updated to reflect the new target.
-    update_mdp_by_constant(mdp,
-                           in_bytes(VirtualCallData::
-                                    virtual_call_data_size()));
-    bind(profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::record_klass_in_profile_helper(
-                                        Register receiver, Register mdp,
-                                        Register reg2, int start_row,
-                                        Label& done, bool is_virtual_call) {
-  if (TypeProfileWidth == 0) {
-    if (is_virtual_call) {
-      increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
-    }
-    return;
-  }
-
-  int last_row = VirtualCallData::row_limit() - 1;
-  assert(start_row <= last_row, "must be work left to do");
-  // Test this row for both the receiver and for null.
-  // Take any of three different outcomes:
-  //   1. found receiver => increment count and goto done
-  //   2. found null => keep looking for case 1, maybe allocate this cell
-  //   3. found something else => keep looking for cases 1 and 2
-  // Case 3 is handled by a recursive call.
-  for (int row = start_row; row <= last_row; row++) {
-    Label next_test;
-    bool test_for_null_also = (row == start_row);
-
-    // See if the receiver is receiver[n].
-    int recvr_offset = in_bytes(VirtualCallData::receiver_offset(row));
-    test_mdp_data_at(mdp, recvr_offset, receiver,
-                     (test_for_null_also ? reg2 : noreg),
-                     next_test);
-    // (Reg2 now contains the receiver from the CallData.)
-
-    // The receiver is receiver[n].  Increment count[n].
-    int count_offset = in_bytes(VirtualCallData::receiver_count_offset(row));
-    increment_mdp_data_at(mdp, count_offset);
-    jmp(done);
-    bind(next_test);
-
-    if (row == start_row) {
-      Label found_null;
-      // Failed the equality check on receiver[n]...  Test for null.
-      testptr(reg2, reg2);
-      if (start_row == last_row) {
-        // The only thing left to do is handle the null case.
-        if (is_virtual_call) {
-          jccb(Assembler::zero, found_null);
-          // Receiver did not match any saved receiver and there is no empty row for it.
-          // Increment total counter to indicate polymorphic case.
-          increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
-          jmp(done);
-          bind(found_null);
-        } else {
-          jcc(Assembler::notZero, done);
-        }
-        break;
-      }
-      // Since null is rare, make it be the branch-taken case.
-      jcc(Assembler::zero, found_null);
-
-      // Put all the "Case 3" tests here.
-      record_klass_in_profile_helper(receiver, mdp, reg2, start_row + 1, done, is_virtual_call);
-
-      // Found a null.  Keep searching for a matching receiver,
-      // but remember that this is an empty (unused) slot.
-      bind(found_null);
-    }
-  }
-
-  // In the fall-through case, we found no matching receiver, but we
-  // observed the receiver[start_row] is NULL.
-
-  // Fill in the receiver field and increment the count.
-  int recvr_offset = in_bytes(VirtualCallData::receiver_offset(start_row));
-  set_mdp_data_at(mdp, recvr_offset, receiver);
-  int count_offset = in_bytes(VirtualCallData::receiver_count_offset(start_row));
-  movptr(reg2, (intptr_t)DataLayout::counter_increment);
-  set_mdp_data_at(mdp, count_offset, reg2);
-  if (start_row > 0) {
-    jmp(done);
-  }
-}
-
-void InterpreterMacroAssembler::record_klass_in_profile(Register receiver,
-                                                        Register mdp, Register reg2,
-                                                        bool is_virtual_call) {
-  assert(ProfileInterpreter, "must be profiling");
-  Label done;
-
-  record_klass_in_profile_helper(receiver, mdp, reg2, 0, done, is_virtual_call);
-
-  bind (done);
-}
-
-void InterpreterMacroAssembler::profile_ret(Register return_bci, Register mdp) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-    uint row;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    // Update the total ret count.
-    increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
-
-    for (row = 0; row < RetData::row_limit(); row++) {
-      Label next_test;
-
-      // See if return_bci is equal to bci[n]:
-      test_mdp_data_at(mdp, in_bytes(RetData::bci_offset(row)), return_bci,
-                       noreg, next_test);
-
-      // return_bci is equal to bci[n].  Increment the count.
-      increment_mdp_data_at(mdp, in_bytes(RetData::bci_count_offset(row)));
-
-      // The method data pointer needs to be updated to reflect the new target.
-      update_mdp_by_offset(mdp, in_bytes(RetData::bci_displacement_offset(row)));
-      jmp(profile_continue);
-      bind(next_test);
-    }
-
-    update_mdp_for_ret(return_bci);
-
-    bind (profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_null_seen(Register mdp) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    set_mdp_flag_at(mdp, BitData::null_seen_byte_constant());
-
-    // The method data pointer needs to be updated.
-    int mdp_delta = in_bytes(BitData::bit_data_size());
-    if (TypeProfileCasts) {
-      mdp_delta = in_bytes(VirtualCallData::virtual_call_data_size());
-    }
-    update_mdp_by_constant(mdp, mdp_delta);
-
-    bind (profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_typecheck_failed(Register mdp) {
-  if (ProfileInterpreter && TypeProfileCasts) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    int count_offset = in_bytes(CounterData::count_offset());
-    // Back up the address, since we have already bumped the mdp.
-    count_offset -= in_bytes(VirtualCallData::virtual_call_data_size());
-
-    // *Decrement* the counter.  We expect to see zero or small negatives.
-    increment_mdp_data_at(mdp, count_offset, true);
-
-    bind (profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_typecheck(Register mdp, Register klass, Register reg2)
-{
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    // The method data pointer needs to be updated.
-    int mdp_delta = in_bytes(BitData::bit_data_size());
-    if (TypeProfileCasts) {
-      mdp_delta = in_bytes(VirtualCallData::virtual_call_data_size());
-
-      // Record the object type.
-      record_klass_in_profile(klass, mdp, reg2, false);
-      assert(reg2 == rdi, "we know how to fix this blown reg");
-      restore_locals();         // Restore EDI
-    }
-    update_mdp_by_constant(mdp, mdp_delta);
-
-    bind(profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_switch_default(Register mdp) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    // Update the default case count
-    increment_mdp_data_at(mdp, in_bytes(MultiBranchData::default_count_offset()));
-
-    // The method data pointer needs to be updated.
-    update_mdp_by_offset(mdp, in_bytes(MultiBranchData::default_displacement_offset()));
-
-    bind (profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_switch_case(Register index, Register mdp, Register reg2) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    // Build the base (index * per_case_size_in_bytes()) + case_array_offset_in_bytes()
-    movptr(reg2, (intptr_t)in_bytes(MultiBranchData::per_case_size()));
-    // index is positive and so should have correct value if this code were
-    // used on 64bits
-    imulptr(index, reg2);
-    addptr(index, in_bytes(MultiBranchData::case_array_offset()));
-
-    // Update the case count
-    increment_mdp_data_at(mdp, index, in_bytes(MultiBranchData::relative_count_offset()));
-
-    // The method data pointer needs to be updated.
-    update_mdp_by_offset(mdp, index, in_bytes(MultiBranchData::relative_displacement_offset()));
-
-    bind (profile_continue);
-  }
-}
-
-#endif // !CC_INTERP
-
-
-
-void InterpreterMacroAssembler::verify_oop(Register reg, TosState state) {
-  if (state == atos) MacroAssembler::verify_oop(reg);
-}
-
-
-#ifndef CC_INTERP
-void InterpreterMacroAssembler::verify_FPU(int stack_depth, TosState state) {
-  if (state == ftos || state == dtos) MacroAssembler::verify_FPU(stack_depth);
-}
-
-// Jump if ((*counter_addr += increment) & mask) satisfies the condition.
-void InterpreterMacroAssembler::increment_mask_and_jump(Address counter_addr,
-                                                        int increment, Address mask,
-                                                        Register scratch, bool preloaded,
-                                                        Condition cond, Label* where) {
-  if (!preloaded) {
-    movl(scratch, counter_addr);
-  }
-  incrementl(scratch, increment);
-  movl(counter_addr, scratch);
-  andl(scratch, mask);
-  jcc(cond, *where);
-}
-#endif /* CC_INTERP */
-
-
-void InterpreterMacroAssembler::notify_method_entry() {
-  // Whenever JVMTI is interp_only_mode, method entry/exit events are sent to
-  // track stack depth.  If it is possible to enter interp_only_mode we add
-  // the code to check if the event should be sent.
-  if (JvmtiExport::can_post_interpreter_events()) {
-    Label L;
-    get_thread(rcx);
-    movl(rcx, Address(rcx, JavaThread::interp_only_mode_offset()));
-    testl(rcx,rcx);
-    jcc(Assembler::zero, L);
-    call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_method_entry));
-    bind(L);
-  }
-
-  {
-    SkipIfEqual skip_if(this, &DTraceMethodProbes, 0);
-    get_thread(rcx);
-    get_method(rbx);
-    call_VM_leaf(
-      CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_entry), rcx, rbx);
-  }
-
-  // RedefineClasses() tracing support for obsolete method entry
-  if (RC_TRACE_IN_RANGE(0x00001000, 0x00002000)) {
-    get_thread(rcx);
-    get_method(rbx);
-    call_VM_leaf(
-      CAST_FROM_FN_PTR(address, SharedRuntime::rc_trace_method_entry),
-      rcx, rbx);
-  }
-}
-
-
-void InterpreterMacroAssembler::notify_method_exit(
-    TosState state, NotifyMethodExitMode mode) {
-  // Whenever JVMTI is interp_only_mode, method entry/exit events are sent to
-  // track stack depth.  If it is possible to enter interp_only_mode we add
-  // the code to check if the event should be sent.
-  if (mode == NotifyJVMTI && JvmtiExport::can_post_interpreter_events()) {
-    Label L;
-    // Note: frame::interpreter_frame_result has a dependency on how the
-    // method result is saved across the call to post_method_exit. If this
-    // is changed then the interpreter_frame_result implementation will
-    // need to be updated too.
-
-    // For c++ interpreter the result is always stored at a known location in the frame
-    // template interpreter will leave it on the top of the stack.
-    NOT_CC_INTERP(push(state);)
-    get_thread(rcx);
-    movl(rcx, Address(rcx, JavaThread::interp_only_mode_offset()));
-    testl(rcx,rcx);
-    jcc(Assembler::zero, L);
-    call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_method_exit));
-    bind(L);
-    NOT_CC_INTERP(pop(state);)
-  }
-
-  {
-    SkipIfEqual skip_if(this, &DTraceMethodProbes, 0);
-    NOT_CC_INTERP(push(state));
-    get_thread(rbx);
-    get_method(rcx);
-    call_VM_leaf(
-      CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit),
-      rbx, rcx);
-    NOT_CC_INTERP(pop(state));
-  }
-}
--- a/hotspot/src/cpu/x86/vm/interp_masm_x86_32.hpp	Fri Mar 13 09:18:28 2015 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,223 +0,0 @@
-/*
- * Copyright (c) 1997, 2014, 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.
- *
- */
-
-#ifndef CC_INTERP
- protected:
-  // Interpreter specific version of call_VM_base
-  virtual void call_VM_leaf_base(
-    address entry_point,
-    int     number_of_arguments
-  );
-
-  virtual void call_VM_base(
-    Register oop_result,
-    Register java_thread,
-    Register last_java_sp,
-    address  entry_point,
-    int      number_of_arguments,
-    bool     check_exceptions
-  );
-
-  virtual void check_and_handle_popframe(Register java_thread);
-  virtual void check_and_handle_earlyret(Register java_thread);
-
-  // base routine for all dispatches
-  void dispatch_base(TosState state, address* table, bool verifyoop = true);
-#endif /* CC_INTERP */
-
- public:
-  InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code), _locals_register(rdi), _bcp_register(rsi) {}
-
-  void load_earlyret_value(TosState state);
-
-  // Interpreter-specific registers
-#ifdef CC_INTERP
-  void save_bcp()                                          { /*  not needed in c++ interpreter and harmless */ }
-  void restore_bcp()                                       { /*  not needed in c++ interpreter and harmless */ }
-
-  // Helpers for runtime call arguments/results
-  void get_method(Register reg);
-
-#else
-
-  void save_bcp()                                          { movptr(Address(rbp, frame::interpreter_frame_bcp_offset * wordSize), rsi); }
-  void restore_bcp()                                       { movptr(rsi, Address(rbp, frame::interpreter_frame_bcp_offset * wordSize)); }
-  void restore_locals()                                    { movptr(rdi, Address(rbp, frame::interpreter_frame_locals_offset * wordSize)); }
-
-  // Helpers for runtime call arguments/results
-  void get_method(Register reg)                            { movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize)); }
-  void get_const(Register reg)                             { get_method(reg); movptr(reg, Address(reg, Method::const_offset())); }
-  void get_constant_pool(Register reg)                     { get_const(reg); movptr(reg, Address(reg, ConstMethod::constants_offset())); }
-  void get_constant_pool_cache(Register reg)               { get_constant_pool(reg); movptr(reg, Address(reg, ConstantPool::cache_offset_in_bytes())); }
-  void get_cpool_and_tags(Register cpool, Register tags)   { get_constant_pool(cpool); movptr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes()));
-  }
-  void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
-  void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2));
-  void get_cache_and_index_and_bytecode_at_bcp(Register cache, Register index, Register bytecode, int byte_no, int bcp_offset, size_t index_size = sizeof(u2));
-  void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2));
-  void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
-
-  // load cpool->resolved_references(index);
-  void load_resolved_reference_at_index(Register result, Register index);
-
-  // Expression stack
-  void f2ieee();                                           // truncate ftos to 32bits
-  void d2ieee();                                           // truncate dtos to 64bits
-
-  void pop_ptr(Register r = rax);
-  void pop_i(Register r = rax);
-  void pop_l(Register lo = rax, Register hi = rdx);
-  void pop_f();
-  void pop_d();
-
-  void push_ptr(Register r = rax);
-  void push_i(Register r = rax);
-  void push_l(Register lo = rax, Register hi = rdx);
-  void push_d(Register r = rax);
-  void push_f();
-
-  void pop(TosState state);        // transition vtos -> state
-  void push(TosState state);       // transition state -> vtos
-
-  void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
-
-  void push(Register r ) { ((MacroAssembler*)this)->push(r); }
-  void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); }
-
-  // These are dummies to prevent surprise implicit conversions to Register
-  void pop(void* v ); // Add unimplemented ambiguous method
-  void push(void* v );   // Add unimplemented ambiguous method
-
-  void empty_expression_stack() {
-    movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
-    // NULL last_sp until next java call
-    movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), NULL_WORD);
-  }
-
-  // Helpers for swap and dup
-  void load_ptr(int n, Register val);
-  void store_ptr(int n, Register val);
-
-  // Generate a subtype check: branch to ok_is_subtype if sub_klass is
-  // a subtype of super_klass.  EAX holds the super_klass.  Blows ECX
-  // and EDI.  Register sub_klass cannot be any of the above.
-  void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
-
-  // Dispatching
-  void dispatch_prolog(TosState state, int step = 0);
-  void dispatch_epilog(TosState state, int step = 0);
-  void dispatch_only(TosState state);                      // dispatch via rbx, (assume rbx, is loaded already)
-  void dispatch_only_normal(TosState state);               // dispatch normal table via rbx, (assume rbx, is loaded already)
-  void dispatch_only_noverify(TosState state);
-  void dispatch_next(TosState state, int step = 0);        // load rbx, from [esi + step] and dispatch via rbx,
-  void dispatch_via (TosState state, address* table);      // load rbx, from [esi] and dispatch via rbx, and table
-
-
-  // jump to an invoked target
-  void prepare_to_jump_from_interpreted();
-  void jump_from_interpreted(Register method, Register temp);
-
-  // Returning from interpreted functions
-  //
-  // Removes the current activation (incl. unlocking of monitors)
-  // and sets up the return address.  This code is also used for
-  // exception unwindwing. In that case, we do not want to throw
-  // IllegalMonitorStateExceptions, since that might get us into an
-  // infinite rethrow exception loop.
-  // Additionally this code is used for popFrame and earlyReturn.
-  // In popFrame case we want to skip throwing an exception,
-  // installing an exception, and notifying jvmdi.
-  // In earlyReturn case we only want to skip throwing an exception
-  // and installing an exception.
-  void remove_activation(TosState state, Register ret_addr,
-                         bool throw_monitor_exception = true,
-                         bool install_monitor_exception = true,
-                         bool notify_jvmdi = true);
-#endif /* !CC_INTERP */
-  void get_method_counters(Register method, Register mcs, Label& skip);
-
-  // Debugging
-  void verify_oop(Register reg, TosState state = atos);    // only if +VerifyOops && state == atos
-#ifndef CC_INTERP
-  void verify_FPU(int stack_depth, TosState state = ftos); // only if +VerifyFPU  && (state == ftos || state == dtos)
-
-#endif /* !CC_INTERP */
-
-  // Object locking
-  void lock_object  (Register lock_reg);
-  void unlock_object(Register lock_reg);
-
-#ifndef CC_INTERP
-
-  // Interpreter profiling operations
-  void set_method_data_pointer_for_bcp();
-  void test_method_data_pointer(Register mdp, Label& zero_continue);
-  void verify_method_data_pointer();
-
-  void set_mdp_data_at(Register mdp_in, int constant, Register value);
-  void increment_mdp_data_at(Address data, bool decrement = false);
-  void increment_mdp_data_at(Register mdp_in, int constant,
-                             bool decrement = false);
-  void increment_mdp_data_at(Register mdp_in, Register reg, int constant,
-                             bool decrement = false);
-  void increment_mask_and_jump(Address counter_addr,
-                               int increment, Address mask,
-                               Register scratch, bool preloaded,
-                               Condition cond, Label* where);
-  void set_mdp_flag_at(Register mdp_in, int flag_constant);
-  void test_mdp_data_at(Register mdp_in, int offset, Register value,
-                        Register test_value_out,
-                        Label& not_equal_continue);
-
-  void record_klass_in_profile(Register receiver, Register mdp,
-                               Register reg2, bool is_virtual_call);
-  void record_klass_in_profile_helper(Register receiver, Register mdp,
-                                      Register reg2, int start_row,
-                                      Label& done, bool is_virtual_call);
-
-  void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
-  void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
-  void update_mdp_by_constant(Register mdp_in, int constant);
-  void update_mdp_for_ret(Register return_bci);
-
-  void profile_taken_branch(Register mdp, Register bumped_count);
-  void profile_not_taken_branch(Register mdp);
-  void profile_call(Register mdp);
-  void profile_final_call(Register mdp);
-  void profile_virtual_call(Register receiver, Register mdp, Register scratch2,
-                            bool receiver_can_be_null = false);
-  void profile_ret(Register return_bci, Register mdp);
-  void profile_null_seen(Register mdp);
-  void profile_typecheck(Register mdp, Register klass, Register scratch);
-  void profile_typecheck_failed(Register mdp);
-  void profile_switch_default(Register mdp);
-  void profile_switch_case(Register index_in_scratch, Register mdp, Register scratch2);
-
-#endif /* !CC_INTERP */
-
-  typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
-
-  // support for jvmti
-  void notify_method_entry();
-  void notify_method_exit(TosState state, NotifyMethodExitMode mode);
--- a/hotspot/src/cpu/x86/vm/interp_masm_x86_64.cpp	Fri Mar 13 09:18:28 2015 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1507 +0,0 @@
-/*
- * Copyright (c) 2003, 2014, 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.
- *
- */
-
-#include "precompiled.hpp"
-#include "interp_masm_x86.hpp"
-#include "interpreter/interpreter.hpp"
-#include "interpreter/interpreterRuntime.hpp"
-#include "oops/arrayOop.hpp"
-#include "oops/markOop.hpp"
-#include "oops/methodData.hpp"
-#include "oops/method.hpp"
-#include "prims/jvmtiExport.hpp"
-#include "prims/jvmtiRedefineClassesTrace.hpp"
-#include "prims/jvmtiThreadState.hpp"
-#include "runtime/basicLock.hpp"
-#include "runtime/biasedLocking.hpp"
-#include "runtime/sharedRuntime.hpp"
-#include "runtime/thread.inline.hpp"
-
-
-// Implementation of InterpreterMacroAssembler
-
-#ifdef CC_INTERP
-void InterpreterMacroAssembler::get_method(Register reg) {
-  movptr(reg, Address(rbp, -((int)sizeof(BytecodeInterpreter) + 2 * wordSize)));
-  movptr(reg, Address(reg, byte_offset_of(BytecodeInterpreter, _method)));
-}
-#endif // CC_INTERP
-
-#ifndef CC_INTERP
-
-void InterpreterMacroAssembler::call_VM_leaf_base(address entry_point,
-                                                  int number_of_arguments) {
-  // interpreter specific
-  //
-  // Note: No need to save/restore bcp & locals (r13 & r14) pointer
-  //       since these are callee saved registers and no blocking/
-  //       GC can happen in leaf calls.
-  // Further Note: DO NOT save/restore bcp/locals. If a caller has
-  // already saved them so that it can use esi/edi as temporaries
-  // then a save/restore here will DESTROY the copy the caller
-  // saved! There used to be a save_bcp() that only happened in
-  // the ASSERT path (no restore_bcp). Which caused bizarre failures
-  // when jvm built with ASSERTs.
-#ifdef ASSERT
-  {
-    Label L;
-    cmpptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
-    jcc(Assembler::equal, L);
-    stop("InterpreterMacroAssembler::call_VM_leaf_base:"
-         " last_sp != NULL");
-    bind(L);
-  }
-#endif
-  // super call
-  MacroAssembler::call_VM_leaf_base(entry_point, number_of_arguments);
-  // interpreter specific
-  // Used to ASSERT that r13/r14 were equal to frame's bcp/locals
-  // but since they may not have been saved (and we don't want to
-  // save thme here (see note above) the assert is invalid.
-}
-
-void InterpreterMacroAssembler::call_VM_base(Register oop_result,
-                                             Register java_thread,
-                                             Register last_java_sp,
-                                             address  entry_point,
-                                             int      number_of_arguments,
-                                             bool     check_exceptions) {
-  // interpreter specific
-  //
-  // Note: Could avoid restoring locals ptr (callee saved) - however doesn't
-  //       really make a difference for these runtime calls, since they are
-  //       slow anyway. Btw., bcp must be saved/restored since it may change
-  //       due to GC.
-  // assert(java_thread == noreg , "not expecting a precomputed java thread");
-  save_bcp();
-#ifdef ASSERT
-  {
-    Label L;
-    cmpptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
-    jcc(Assembler::equal, L);
-    stop("InterpreterMacroAssembler::call_VM_leaf_base:"
-         " last_sp != NULL");
-    bind(L);
-  }
-#endif /* ASSERT */
-  // super call
-  MacroAssembler::call_VM_base(oop_result, noreg, last_java_sp,
-                               entry_point, number_of_arguments,
-                               check_exceptions);
-  // interpreter specific
-  restore_bcp();
-  restore_locals();
-}
-
-
-void InterpreterMacroAssembler::check_and_handle_popframe(Register java_thread) {
-  if (JvmtiExport::can_pop_frame()) {
-    Label L;
-    // Initiate popframe handling only if it is not already being
-    // processed.  If the flag has the popframe_processing bit set, it
-    // means that this code is called *during* popframe handling - we
-    // don't want to reenter.
-    // This method is only called just after the call into the vm in
-    // call_VM_base, so the arg registers are available.
-    movl(c_rarg0, Address(r15_thread, JavaThread::popframe_condition_offset()));
-    testl(c_rarg0, JavaThread::popframe_pending_bit);
-    jcc(Assembler::zero, L);
-    testl(c_rarg0, JavaThread::popframe_processing_bit);
-    jcc(Assembler::notZero, L);
-    // Call Interpreter::remove_activation_preserving_args_entry() to get the
-    // address of the same-named entrypoint in the generated interpreter code.
-    call_VM_leaf(CAST_FROM_FN_PTR(address, Interpreter::remove_activation_preserving_args_entry));
-    jmp(rax);
-    bind(L);
-  }
-}
-
-
-void InterpreterMacroAssembler::load_earlyret_value(TosState state) {
-  movptr(rcx, Address(r15_thread, JavaThread::jvmti_thread_state_offset()));
-  const Address tos_addr(rcx, JvmtiThreadState::earlyret_tos_offset());
-  const Address oop_addr(rcx, JvmtiThreadState::earlyret_oop_offset());
-  const Address val_addr(rcx, JvmtiThreadState::earlyret_value_offset());
-  switch (state) {
-    case atos: movptr(rax, oop_addr);
-               movptr(oop_addr, (int32_t)NULL_WORD);
-               verify_oop(rax, state);              break;
-    case ltos: movptr(rax, val_addr);                 break;
-    case btos:                                   // fall through
-    case ctos:                                   // fall through
-    case stos:                                   // fall through
-    case itos: movl(rax, val_addr);                 break;
-    case ftos: movflt(xmm0, val_addr);              break;
-    case dtos: movdbl(xmm0, val_addr);              break;
-    case vtos: /* nothing to do */                  break;
-    default  : ShouldNotReachHere();
-  }
-  // Clean up tos value in the thread object
-  movl(tos_addr,  (int) ilgl);
-  movl(val_addr,  (int32_t) NULL_WORD);
-}
-
-
-void InterpreterMacroAssembler::check_and_handle_earlyret(Register java_thread) {
-  if (JvmtiExport::can_force_early_return()) {
-    Label L;
-    movptr(c_rarg0, Address(r15_thread, JavaThread::jvmti_thread_state_offset()));
-    testptr(c_rarg0, c_rarg0);
-    jcc(Assembler::zero, L); // if (thread->jvmti_thread_state() == NULL) exit;
-
-    // Initiate earlyret handling only if it is not already being processed.
-    // If the flag has the earlyret_processing bit set, it means that this code
-    // is called *during* earlyret handling - we don't want to reenter.
-    movl(c_rarg0, Address(c_rarg0, JvmtiThreadState::earlyret_state_offset()));
-    cmpl(c_rarg0, JvmtiThreadState::earlyret_pending);
-    jcc(Assembler::notEqual, L);
-
-    // Call Interpreter::remove_activation_early_entry() to get the address of the
-    // same-named entrypoint in the generated interpreter code.
-    movptr(c_rarg0, Address(r15_thread, JavaThread::jvmti_thread_state_offset()));
-    movl(c_rarg0, Address(c_rarg0, JvmtiThreadState::earlyret_tos_offset()));
-    call_VM_leaf(CAST_FROM_FN_PTR(address, Interpreter::remove_activation_early_entry), c_rarg0);
-    jmp(rax);
-    bind(L);
-  }
-}
-
-
-void InterpreterMacroAssembler::get_unsigned_2_byte_index_at_bcp(
-  Register reg,
-  int bcp_offset) {
-  assert(bcp_offset >= 0, "bcp is still pointing to start of bytecode");
-  load_unsigned_short(reg, Address(r13, bcp_offset));
-  bswapl(reg);
-  shrl(reg, 16);
-}
-
-
-void InterpreterMacroAssembler::get_cache_index_at_bcp(Register index,
-                                                       int bcp_offset,
-                                                       size_t index_size) {
-  assert(bcp_offset > 0, "bcp is still pointing to start of bytecode");
-  if (index_size == sizeof(u2)) {
-    load_unsigned_short(index, Address(r13, bcp_offset));
-  } else if (index_size == sizeof(u4)) {
-    movl(index, Address(r13, bcp_offset));
-    // Check if the secondary index definition is still ~x, otherwise
-    // we have to change the following assembler code to calculate the
-    // plain index.
-    assert(ConstantPool::decode_invokedynamic_index(~123) == 123, "else change next line");
-    notl(index);  // convert to plain index
-  } else if (index_size == sizeof(u1)) {
-    load_unsigned_byte(index, Address(r13, bcp_offset));
-  } else {
-    ShouldNotReachHere();
-  }
-}
-
-
-void InterpreterMacroAssembler::get_cache_and_index_at_bcp(Register cache,
-                                                           Register index,
-                                                           int bcp_offset,
-                                                           size_t index_size) {
-  assert_different_registers(cache, index);
-  get_cache_index_at_bcp(index, bcp_offset, index_size);
-  movptr(cache, Address(rbp, frame::interpreter_frame_cache_offset * wordSize));
-  assert(sizeof(ConstantPoolCacheEntry) == 4 * wordSize, "adjust code below");
-  // convert from field index to ConstantPoolCacheEntry index
-  assert(exact_log2(in_words(ConstantPoolCacheEntry::size())) == 2, "else change next line");
-  shll(index, 2);
-}
-
-
-void InterpreterMacroAssembler::get_cache_and_index_and_bytecode_at_bcp(Register cache,
-                                                                        Register index,
-                                                                        Register bytecode,
-                                                                        int byte_no,
-                                                                        int bcp_offset,
-                                                                        size_t index_size) {
-  get_cache_and_index_at_bcp(cache, index, bcp_offset, index_size);
-  // We use a 32-bit load here since the layout of 64-bit words on
-  // little-endian machines allow us that.
-  movl(bytecode, Address(cache, index, Address::times_ptr, ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::indices_offset()));
-  const int shift_count = (1 + byte_no) * BitsPerByte;
-  assert((byte_no == TemplateTable::f1_byte && shift_count == ConstantPoolCacheEntry::bytecode_1_shift) ||
-         (byte_no == TemplateTable::f2_byte && shift_count == ConstantPoolCacheEntry::bytecode_2_shift),
-         "correct shift count");
-  shrl(bytecode, shift_count);
-  assert(ConstantPoolCacheEntry::bytecode_1_mask == ConstantPoolCacheEntry::bytecode_2_mask, "common mask");
-  andl(bytecode, ConstantPoolCacheEntry::bytecode_1_mask);
-}
-
-
-void InterpreterMacroAssembler::get_cache_entry_pointer_at_bcp(Register cache,
-                                                               Register tmp,
-                                                               int bcp_offset,
-                                                               size_t index_size) {
-  assert(cache != tmp, "must use different register");
-  get_cache_index_at_bcp(tmp, bcp_offset, index_size);
-  assert(sizeof(ConstantPoolCacheEntry) == 4 * wordSize, "adjust code below");
-  // convert from field index to ConstantPoolCacheEntry index
-  // and from word offset to byte offset
-  assert(exact_log2(in_bytes(ConstantPoolCacheEntry::size_in_bytes())) == 2 + LogBytesPerWord, "else change next line");
-  shll(tmp, 2 + LogBytesPerWord);
-  movptr(cache, Address(rbp, frame::interpreter_frame_cache_offset * wordSize));
-  // skip past the header
-  addptr(cache, in_bytes(ConstantPoolCache::base_offset()));
-  addptr(cache, tmp);  // construct pointer to cache entry
-}
-
-// Load object from cpool->resolved_references(index)
-void InterpreterMacroAssembler::load_resolved_reference_at_index(
-                                           Register result, Register index) {
-  assert_different_registers(result, index);
-  // convert from field index to resolved_references() index and from
-  // word index to byte offset. Since this is a java object, it can be compressed
-  Register tmp = index;  // reuse
-  shll(tmp, LogBytesPerHeapOop);
-
-  get_constant_pool(result);
-  // load pointer for resolved_references[] objArray
-  movptr(result, Address(result, ConstantPool::resolved_references_offset_in_bytes()));
-  // JNIHandles::resolve(obj);
-  movptr(result, Address(result, 0));
-  // Add in the index
-  addptr(result, tmp);
-  load_heap_oop(result, Address(result, arrayOopDesc::base_offset_in_bytes(T_OBJECT)));
-}
-
-// Generate a subtype check: branch to ok_is_subtype if sub_klass is a
-// subtype of super_klass.
-//
-// Args:
-//      rax: superklass
-//      Rsub_klass: subklass
-//
-// Kills:
-//      rcx, rdi
-void InterpreterMacroAssembler::gen_subtype_check(Register Rsub_klass,
-                                                  Label& ok_is_subtype) {
-  assert(Rsub_klass != rax, "rax holds superklass");
-  assert(Rsub_klass != r14, "r14 holds locals");
-  assert(Rsub_klass != r13, "r13 holds bcp");
-  assert(Rsub_klass != rcx, "rcx holds 2ndary super array length");
-  assert(Rsub_klass != rdi, "rdi holds 2ndary super array scan ptr");
-
-  // Profile the not-null value's klass.
-  profile_typecheck(rcx, Rsub_klass, rdi); // blows rcx, reloads rdi
-
-  // Do the check.
-  check_klass_subtype(Rsub_klass, rax, rcx, ok_is_subtype); // blows rcx
-
-  // Profile the failure of the check.
-  profile_typecheck_failed(rcx); // blows rcx
-}
-
-
-
-// Java Expression Stack
-
-void InterpreterMacroAssembler::pop_ptr(Register r) {
-  pop(r);
-}
-
-void InterpreterMacroAssembler::pop_i(Register r) {
-  // XXX can't use pop currently, upper half non clean
-  movl(r, Address(rsp, 0));
-  addptr(rsp, wordSize);
-}
-
-void InterpreterMacroAssembler::pop_l(Register r) {
-  movq(r, Address(rsp, 0));
-  addptr(rsp, 2 * Interpreter::stackElementSize);
-}
-
-void InterpreterMacroAssembler::pop_f(XMMRegister r) {
-  movflt(r, Address(rsp, 0));
-  addptr(rsp, wordSize);
-}
-
-void InterpreterMacroAssembler::pop_d(XMMRegister r) {
-  movdbl(r, Address(rsp, 0));
-  addptr(rsp, 2 * Interpreter::stackElementSize);
-}
-
-void InterpreterMacroAssembler::push_ptr(Register r) {
-  push(r);
-}
-
-void InterpreterMacroAssembler::push_i(Register r) {
-  push(r);
-}
-
-void InterpreterMacroAssembler::push_l(Register r) {
-  subptr(rsp, 2 * wordSize);
-  movq(Address(rsp, 0), r);
-}
-
-void InterpreterMacroAssembler::push_f(XMMRegister r) {
-  subptr(rsp, wordSize);
-  movflt(Address(rsp, 0), r);
-}
-
-void InterpreterMacroAssembler::push_d(XMMRegister r) {
-  subptr(rsp, 2 * wordSize);
-  movdbl(Address(rsp, 0), r);
-}
-
-void InterpreterMacroAssembler::pop(TosState state) {
-  switch (state) {
-  case atos: pop_ptr();                 break;
-  case btos:
-  case ctos:
-  case stos:
-  case itos: pop_i();                   break;
-  case ltos: pop_l();                   break;
-  case ftos: pop_f();                   break;
-  case dtos: pop_d();                   break;
-  case vtos: /* nothing to do */        break;
-  default:   ShouldNotReachHere();
-  }
-  verify_oop(rax, state);
-}
-
-void InterpreterMacroAssembler::push(TosState state) {
-  verify_oop(rax, state);
-  switch (state) {
-  case atos: push_ptr();                break;
-  case btos:
-  case ctos:
-  case stos:
-  case itos: push_i();                  break;
-  case ltos: push_l();                  break;
-  case ftos: push_f();                  break;
-  case dtos: push_d();                  break;
-  case vtos: /* nothing to do */        break;
-  default  : ShouldNotReachHere();
-  }
-}
-
-
-// Helpers for swap and dup
-void InterpreterMacroAssembler::load_ptr(int n, Register val) {
-  movptr(val, Address(rsp, Interpreter::expr_offset_in_bytes(n)));
-}
-
-void InterpreterMacroAssembler::store_ptr(int n, Register val) {
-  movptr(Address(rsp, Interpreter::expr_offset_in_bytes(n)), val);
-}
-
-
-void InterpreterMacroAssembler::prepare_to_jump_from_interpreted() {
-  // set sender sp
-  lea(r13, Address(rsp, wordSize));
-  // record last_sp
-  movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), r13);
-}
-
-
-// Jump to from_interpreted entry of a call unless single stepping is possible
-// in this thread in which case we must call the i2i entry
-void InterpreterMacroAssembler::jump_from_interpreted(Register method, Register temp) {
-  prepare_to_jump_from_interpreted();
-
-  if (JvmtiExport::can_post_interpreter_events()) {
-    Label run_compiled_code;
-    // JVMTI events, such as single-stepping, are implemented partly by avoiding running
-    // compiled code in threads for which the event is enabled.  Check here for
-    // interp_only_mode if these events CAN be enabled.
-    // interp_only is an int, on little endian it is sufficient to test the byte only
-    // Is a cmpl faster?
-    cmpb(Address(r15_thread, JavaThread::interp_only_mode_offset()), 0);
-    jccb(Assembler::zero, run_compiled_code);
-    jmp(Address(method, Method::interpreter_entry_offset()));
-    bind(run_compiled_code);
-  }
-
-  jmp(Address(method, Method::from_interpreted_offset()));
-
-}
-
-
-// The following two routines provide a hook so that an implementation
-// can schedule the dispatch in two parts.  amd64 does not do this.
-void InterpreterMacroAssembler::dispatch_prolog(TosState state, int step) {
-  // Nothing amd64 specific to be done here
-}
-
-void InterpreterMacroAssembler::dispatch_epilog(TosState state, int step) {
-  dispatch_next(state, step);
-}
-
-void InterpreterMacroAssembler::dispatch_base(TosState state,
-                                              address* table,
-                                              bool verifyoop) {
-  verify_FPU(1, state);
-  if (VerifyActivationFrameSize) {
-    Label L;
-    mov(rcx, rbp);
-    subptr(rcx, rsp);
-    int32_t min_frame_size =
-      (frame::link_offset - frame::interpreter_frame_initial_sp_offset) *
-      wordSize;
-    cmpptr(rcx, (int32_t)min_frame_size);
-    jcc(Assembler::greaterEqual, L);
-    stop("broken stack frame");
-    bind(L);
-  }
-  if (verifyoop) {
-    verify_oop(rax, state);
-  }
-  lea(rscratch1, ExternalAddress((address)table));
-  jmp(Address(rscratch1, rbx, Address::times_8));
-}
-
-void InterpreterMacroAssembler::dispatch_only(TosState state) {
-  dispatch_base(state, Interpreter::dispatch_table(state));
-}
-
-void InterpreterMacroAssembler::dispatch_only_normal(TosState state) {
-  dispatch_base(state, Interpreter::normal_table(state));
-}
-
-void InterpreterMacroAssembler::dispatch_only_noverify(TosState state) {
-  dispatch_base(state, Interpreter::normal_table(state), false);
-}
-
-
-void InterpreterMacroAssembler::dispatch_next(TosState state, int step) {
-  // load next bytecode (load before advancing r13 to prevent AGI)
-  load_unsigned_byte(rbx, Address(r13, step));
-  // advance r13
-  increment(r13, step);
-  dispatch_base(state, Interpreter::dispatch_table(state));
-}
-
-void InterpreterMacroAssembler::dispatch_via(TosState state, address* table) {
-  // load current bytecode
-  load_unsigned_byte(rbx, Address(r13, 0));
-  dispatch_base(state, table);
-}
-
-// remove activation
-//
-// Unlock the receiver if this is a synchronized method.
-// Unlock any Java monitors from syncronized blocks.
-// Remove the activation from the stack.
-//
-// If there are locked Java monitors
-//    If throw_monitor_exception
-//       throws IllegalMonitorStateException
-//    Else if install_monitor_exception
-//       installs IllegalMonitorStateException
-//    Else
-//       no error processing
-void InterpreterMacroAssembler::remove_activation(
-        TosState state,
-        Register ret_addr,
-        bool throw_monitor_exception,
-        bool install_monitor_exception,
-        bool notify_jvmdi) {
-  // Note: Registers rdx xmm0 may be in use for the
-  // result check if synchronized method
-  Label unlocked, unlock, no_unlock;
-
-  // get the value of _do_not_unlock_if_synchronized into rdx
-  const Address do_not_unlock_if_synchronized(r15_thread,
-    in_bytes(JavaThread::do_not_unlock_if_synchronized_offset()));
-  movbool(rdx, do_not_unlock_if_synchronized);
-  movbool(do_not_unlock_if_synchronized, false); // reset the flag
-
- // get method access flags
-  movptr(rbx, Address(rbp, frame::interpreter_frame_method_offset * wordSize));
-  movl(rcx, Address(rbx, Method::access_flags_offset()));
-  testl(rcx, JVM_ACC_SYNCHRONIZED);
-  jcc(Assembler::zero, unlocked);
-
-  // Don't unlock anything if the _do_not_unlock_if_synchronized flag
-  // is set.
-  testbool(rdx);
-  jcc(Assembler::notZero, no_unlock);
-
-  // unlock monitor
-  push(state); // save result
-
-  // BasicObjectLock will be first in list, since this is a
-  // synchronized method. However, need to check that the object has
-  // not been unlocked by an explicit monitorexit bytecode.
-  const Address monitor(rbp, frame::interpreter_frame_initial_sp_offset *
-                        wordSize - (int) sizeof(BasicObjectLock));
-  // We use c_rarg1 so that if we go slow path it will be the correct
-  // register for unlock_object to pass to VM directly
-  lea(c_rarg1, monitor); // address of first monitor
-
-  movptr(rax, Address(c_rarg1, BasicObjectLock::obj_offset_in_bytes()));
-  testptr(rax, rax);
-  jcc(Assembler::notZero, unlock);
-
-  pop(state);
-  if (throw_monitor_exception) {
-    // Entry already unlocked, need to throw exception
-    call_VM(noreg, CAST_FROM_FN_PTR(address,
-                   InterpreterRuntime::throw_illegal_monitor_state_exception));
-    should_not_reach_here();
-  } else {
-    // Monitor already unlocked during a stack unroll. If requested,
-    // install an illegal_monitor_state_exception.  Continue with
-    // stack unrolling.
-    if (install_monitor_exception) {
-      call_VM(noreg, CAST_FROM_FN_PTR(address,
-                     InterpreterRuntime::new_illegal_monitor_state_exception));
-    }
-    jmp(unlocked);
-  }
-
-  bind(unlock);
-  unlock_object(c_rarg1);
-  pop(state);
-
-  // Check that for block-structured locking (i.e., that all locked
-  // objects has been unlocked)
-  bind(unlocked);
-
-  // rax: Might contain return value
-
-  // Check that all monitors are unlocked
-  {
-    Label loop, exception, entry, restart;
-    const int entry_size = frame::interpreter_frame_monitor_size() * wordSize;
-    const Address monitor_block_top(
-        rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize);
-    const Address monitor_block_bot(
-        rbp, frame::interpreter_frame_initial_sp_offset * wordSize);
-
-    bind(restart);
-    // We use c_rarg1 so that if we go slow path it will be the correct
-    // register for unlock_object to pass to VM directly
-    movptr(c_rarg1, monitor_block_top); // points to current entry, starting
-                                  // with top-most entry
-    lea(rbx, monitor_block_bot);  // points to word before bottom of
-                                  // monitor block
-    jmp(entry);
-
-    // Entry already locked, need to throw exception
-    bind(exception);
-
-    if (throw_monitor_exception) {
-      // Throw exception
-      MacroAssembler::call_VM(noreg,
-                              CAST_FROM_FN_PTR(address, InterpreterRuntime::
-                                   throw_illegal_monitor_state_exception));
-      should_not_reach_here();
-    } else {
-      // Stack unrolling. Unlock object and install illegal_monitor_exception.
-      // Unlock does not block, so don't have to worry about the frame.
-      // We don't have to preserve c_rarg1 since we are going to throw an exception.
-
-      push(state);
-      unlock_object(c_rarg1);
-      pop(state);
-
-      if (install_monitor_exception) {
-        call_VM(noreg, CAST_FROM_FN_PTR(address,
-                                        InterpreterRuntime::
-                                        new_illegal_monitor_state_exception));
-      }
-
-      jmp(restart);
-    }
-
-    bind(loop);
-    // check if current entry is used
-    cmpptr(Address(c_rarg1, BasicObjectLock::obj_offset_in_bytes()), (int32_t) NULL);
-    jcc(Assembler::notEqual, exception);
-
-    addptr(c_rarg1, entry_size); // otherwise advance to next entry
-    bind(entry);
-    cmpptr(c_rarg1, rbx); // check if bottom reached
-    jcc(Assembler::notEqual, loop); // if not at bottom then check this entry
-  }
-
-  bind(no_unlock);
-
-  // jvmti support
-  if (notify_jvmdi) {
-    notify_method_exit(state, NotifyJVMTI);    // preserve TOSCA
-  } else {
-    notify_method_exit(state, SkipNotifyJVMTI); // preserve TOSCA
-  }
-
-  // remove activation
-  // get sender sp
-  movptr(rbx,
-         Address(rbp, frame::interpreter_frame_sender_sp_offset * wordSize));
-  leave();                           // remove frame anchor
-  pop(ret_addr);                     // get return address
-  mov(rsp, rbx);                     // set sp to sender sp
-}
-
-#endif // C_INTERP
-
-void InterpreterMacroAssembler::get_method_counters(Register method,
-                                                    Register mcs, Label& skip) {
-  Label has_counters;
-  movptr(mcs, Address(method, Method::method_counters_offset()));
-  testptr(mcs, mcs);
-  jcc(Assembler::notZero, has_counters);
-  call_VM(noreg, CAST_FROM_FN_PTR(address,
-          InterpreterRuntime::build_method_counters), method);
-  movptr(mcs, Address(method,Method::method_counters_offset()));
-  testptr(mcs, mcs);
-  jcc(Assembler::zero, skip); // No MethodCounters allocated, OutOfMemory
-  bind(has_counters);
-}
-
-
-// Lock object
-//
-// Args:
-//      c_rarg1: BasicObjectLock to be used for locking
-//
-// Kills:
-//      rax
-//      c_rarg0, c_rarg1, c_rarg2, c_rarg3, .. (param regs)
-//      rscratch1, rscratch2 (scratch regs)
-void InterpreterMacroAssembler::lock_object(Register lock_reg) {
-  assert(lock_reg == c_rarg1, "The argument is only for looks. It must be c_rarg1");
-
-  if (UseHeavyMonitors) {
-    call_VM(noreg,
-            CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorenter),
-            lock_reg);
-  } else {
-    Label done;
-
-    const Register swap_reg = rax; // Must use rax for cmpxchg instruction
-    const Register obj_reg = c_rarg3; // Will contain the oop
-
-    const int obj_offset = BasicObjectLock::obj_offset_in_bytes();
-    const int lock_offset = BasicObjectLock::lock_offset_in_bytes ();
-    const int mark_offset = lock_offset +
-                            BasicLock::displaced_header_offset_in_bytes();
-
-    Label slow_case;
-
-    // Load object pointer into obj_reg %c_rarg3
-    movptr(obj_reg, Address(lock_reg, obj_offset));
-
-    if (UseBiasedLocking) {
-      biased_locking_enter(lock_reg, obj_reg, swap_reg, rscratch1, false, done, &slow_case);
-    }
-
-    // Load immediate 1 into swap_reg %rax
-    movl(swap_reg, 1);
-
-    // Load (object->mark() | 1) into swap_reg %rax
-    orptr(swap_reg, Address(obj_reg, 0));
-
-    // Save (object->mark() | 1) into BasicLock's displaced header
-    movptr(Address(lock_reg, mark_offset), swap_reg);
-
-    assert(lock_offset == 0,
-           "displached header must be first word in BasicObjectLock");
-
-    if (os::is_MP()) lock();
-    cmpxchgptr(lock_reg, Address(obj_reg, 0));
-    if (PrintBiasedLockingStatistics) {
-      cond_inc32(Assembler::zero,
-                 ExternalAddress((address) BiasedLocking::fast_path_entry_count_addr()));
-    }
-    jcc(Assembler::zero, done);
-
-    // Test if the oopMark is an obvious stack pointer, i.e.,
-    //  1) (mark & 7) == 0, and
-    //  2) rsp <= mark < mark + os::pagesize()
-    //
-    // These 3 tests can be done by evaluating the following
-    // expression: ((mark - rsp) & (7 - os::vm_page_size())),
-    // assuming both stack pointer and pagesize have their
-    // least significant 3 bits clear.
-    // NOTE: the oopMark is in swap_reg %rax as the result of cmpxchg
-    subptr(swap_reg, rsp);
-    andptr(swap_reg, 7 - os::vm_page_size());
-
-    // Save the test result, for recursive case, the result is zero
-    movptr(Address(lock_reg, mark_offset), swap_reg);
-
-    if (PrintBiasedLockingStatistics) {
-      cond_inc32(Assembler::zero,
-                 ExternalAddress((address) BiasedLocking::fast_path_entry_count_addr()));
-    }
-    jcc(Assembler::zero, done);
-
-    bind(slow_case);
-
-    // Call the runtime routine for slow case
-    call_VM(noreg,
-            CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorenter),
-            lock_reg);
-
-    bind(done);
-  }
-}
-
-
-// Unlocks an object. Used in monitorexit bytecode and
-// remove_activation.  Throws an IllegalMonitorException if object is
-// not locked by current thread.
-//
-// Args:
-//      c_rarg1: BasicObjectLock for lock
-//
-// Kills:
-//      rax
-//      c_rarg0, c_rarg1, c_rarg2, c_rarg3, ... (param regs)
-//      rscratch1, rscratch2 (scratch regs)
-void InterpreterMacroAssembler::unlock_object(Register lock_reg) {
-  assert(lock_reg == c_rarg1, "The argument is only for looks. It must be rarg1");
-
-  if (UseHeavyMonitors) {
-    call_VM(noreg,
-            CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorexit),
-            lock_reg);
-  } else {
-    Label done;
-
-    const Register swap_reg   = rax;  // Must use rax for cmpxchg instruction
-    const Register header_reg = c_rarg2;  // Will contain the old oopMark
-    const Register obj_reg    = c_rarg3;  // Will contain the oop
-
-    save_bcp(); // Save in case of exception
-
-    // Convert from BasicObjectLock structure to object and BasicLock
-    // structure Store the BasicLock address into %rax
-    lea(swap_reg, Address(lock_reg, BasicObjectLock::lock_offset_in_bytes()));
-
-    // Load oop into obj_reg(%c_rarg3)
-    movptr(obj_reg, Address(lock_reg, BasicObjectLock::obj_offset_in_bytes()));
-
-    // Free entry
-    movptr(Address(lock_reg, BasicObjectLock::obj_offset_in_bytes()), (int32_t)NULL_WORD);
-
-    if (UseBiasedLocking) {
-      biased_locking_exit(obj_reg, header_reg, done);
-    }
-
-    // Load the old header from BasicLock structure
-    movptr(header_reg, Address(swap_reg,
-                               BasicLock::displaced_header_offset_in_bytes()));
-
-    // Test for recursion
-    testptr(header_reg, header_reg);
-
-    // zero for recursive case
-    jcc(Assembler::zero, done);
-
-    // Atomic swap back the old header
-    if (os::is_MP()) lock();
-    cmpxchgptr(header_reg, Address(obj_reg, 0));
-
-    // zero for recursive case
-    jcc(Assembler::zero, done);
-
-    // Call the runtime routine for slow case.
-    movptr(Address(lock_reg, BasicObjectLock::obj_offset_in_bytes()),
-         obj_reg); // restore obj
-    call_VM(noreg,
-            CAST_FROM_FN_PTR(address, InterpreterRuntime::monitorexit),
-            lock_reg);
-
-    bind(done);
-
-    restore_bcp();
-  }
-}
-
-#ifndef CC_INTERP
-
-void InterpreterMacroAssembler::test_method_data_pointer(Register mdp,
-                                                         Label& zero_continue) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  movptr(mdp, Address(rbp, frame::interpreter_frame_mdp_offset * wordSize));
-  testptr(mdp, mdp);
-  jcc(Assembler::zero, zero_continue);
-}
-
-
-// Set the method data pointer for the current bcp.
-void InterpreterMacroAssembler::set_method_data_pointer_for_bcp() {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  Label set_mdp;
-  push(rax);
-  push(rbx);
-
-  get_method(rbx);
-  // Test MDO to avoid the call if it is NULL.
-  movptr(rax, Address(rbx, in_bytes(Method::method_data_offset())));
-  testptr(rax, rax);
-  jcc(Assembler::zero, set_mdp);
-  // rbx: method
-  // r13: bcp
-  call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::bcp_to_di), rbx, r13);
-  // rax: mdi
-  // mdo is guaranteed to be non-zero here, we checked for it before the call.
-  movptr(rbx, Address(rbx, in_bytes(Method::method_data_offset())));
-  addptr(rbx, in_bytes(MethodData::data_offset()));
-  addptr(rax, rbx);
-  bind(set_mdp);
-  movptr(Address(rbp, frame::interpreter_frame_mdp_offset * wordSize), rax);
-  pop(rbx);
-  pop(rax);
-}
-
-void InterpreterMacroAssembler::verify_method_data_pointer() {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-#ifdef ASSERT
-  Label verify_continue;
-  push(rax);
-  push(rbx);
-  push(c_rarg3);
-  push(c_rarg2);
-  test_method_data_pointer(c_rarg3, verify_continue); // If mdp is zero, continue
-  get_method(rbx);
-
-  // If the mdp is valid, it will point to a DataLayout header which is
-  // consistent with the bcp.  The converse is highly probable also.
-  load_unsigned_short(c_rarg2,
-                      Address(c_rarg3, in_bytes(DataLayout::bci_offset())));
-  addptr(c_rarg2, Address(rbx, Method::const_offset()));
-  lea(c_rarg2, Address(c_rarg2, ConstMethod::codes_offset()));
-  cmpptr(c_rarg2, r13);
-  jcc(Assembler::equal, verify_continue);
-  // rbx: method
-  // r13: bcp
-  // c_rarg3: mdp
-  call_VM_leaf(CAST_FROM_FN_PTR(address, InterpreterRuntime::verify_mdp),
-               rbx, r13, c_rarg3);
-  bind(verify_continue);
-  pop(c_rarg2);
-  pop(c_rarg3);
-  pop(rbx);
-  pop(rax);
-#endif // ASSERT
-}
-
-
-void InterpreterMacroAssembler::set_mdp_data_at(Register mdp_in,
-                                                int constant,
-                                                Register value) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  Address data(mdp_in, constant);
-  movptr(data, value);
-}
-
-
-void InterpreterMacroAssembler::increment_mdp_data_at(Register mdp_in,
-                                                      int constant,
-                                                      bool decrement) {
-  // Counter address
-  Address data(mdp_in, constant);
-
-  increment_mdp_data_at(data, decrement);
-}
-
-void InterpreterMacroAssembler::increment_mdp_data_at(Address data,
-                                                      bool decrement) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  // %%% this does 64bit counters at best it is wasting space
-  // at worst it is a rare bug when counters overflow
-
-  if (decrement) {
-    // Decrement the register.  Set condition codes.
-    addptr(data, (int32_t) -DataLayout::counter_increment);
-    // If the decrement causes the counter to overflow, stay negative
-    Label L;
-    jcc(Assembler::negative, L);
-    addptr(data, (int32_t) DataLayout::counter_increment);
-    bind(L);
-  } else {
-    assert(DataLayout::counter_increment == 1,
-           "flow-free idiom only works with 1");
-    // Increment the register.  Set carry flag.
-    addptr(data, DataLayout::counter_increment);
-    // If the increment causes the counter to overflow, pull back by 1.
-    sbbptr(data, (int32_t)0);
-  }
-}
-
-
-void InterpreterMacroAssembler::increment_mdp_data_at(Register mdp_in,
-                                                      Register reg,
-                                                      int constant,
-                                                      bool decrement) {
-  Address data(mdp_in, reg, Address::times_1, constant);
-
-  increment_mdp_data_at(data, decrement);
-}
-
-void InterpreterMacroAssembler::set_mdp_flag_at(Register mdp_in,
-                                                int flag_byte_constant) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  int header_offset = in_bytes(DataLayout::header_offset());
-  int header_bits = DataLayout::flag_mask_to_header_mask(flag_byte_constant);
-  // Set the flag
-  orl(Address(mdp_in, header_offset), header_bits);
-}
-
-
-
-void InterpreterMacroAssembler::test_mdp_data_at(Register mdp_in,
-                                                 int offset,
-                                                 Register value,
-                                                 Register test_value_out,
-                                                 Label& not_equal_continue) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  if (test_value_out == noreg) {
-    cmpptr(value, Address(mdp_in, offset));
-  } else {
-    // Put the test value into a register, so caller can use it:
-    movptr(test_value_out, Address(mdp_in, offset));
-    cmpptr(test_value_out, value);
-  }
-  jcc(Assembler::notEqual, not_equal_continue);
-}
-
-
-void InterpreterMacroAssembler::update_mdp_by_offset(Register mdp_in,
-                                                     int offset_of_disp) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  Address disp_address(mdp_in, offset_of_disp);
-  addptr(mdp_in, disp_address);
-  movptr(Address(rbp, frame::interpreter_frame_mdp_offset * wordSize), mdp_in);
-}
-
-
-void InterpreterMacroAssembler::update_mdp_by_offset(Register mdp_in,
-                                                     Register reg,
-                                                     int offset_of_disp) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  Address disp_address(mdp_in, reg, Address::times_1, offset_of_disp);
-  addptr(mdp_in, disp_address);
-  movptr(Address(rbp, frame::interpreter_frame_mdp_offset * wordSize), mdp_in);
-}
-
-
-void InterpreterMacroAssembler::update_mdp_by_constant(Register mdp_in,
-                                                       int constant) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  addptr(mdp_in, constant);
-  movptr(Address(rbp, frame::interpreter_frame_mdp_offset * wordSize), mdp_in);
-}
-
-
-void InterpreterMacroAssembler::update_mdp_for_ret(Register return_bci) {
-  assert(ProfileInterpreter, "must be profiling interpreter");
-  push(return_bci); // save/restore across call_VM
-  call_VM(noreg,
-          CAST_FROM_FN_PTR(address, InterpreterRuntime::update_mdp_for_ret),
-          return_bci);
-  pop(return_bci);
-}
-
-
-void InterpreterMacroAssembler::profile_taken_branch(Register mdp,
-                                                     Register bumped_count) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    // Otherwise, assign to mdp
-    test_method_data_pointer(mdp, profile_continue);
-
-    // We are taking a branch.  Increment the taken count.
-    // We inline increment_mdp_data_at to return bumped_count in a register
-    //increment_mdp_data_at(mdp, in_bytes(JumpData::taken_offset()));
-    Address data(mdp, in_bytes(JumpData::taken_offset()));
-    movptr(bumped_count, data);
-    assert(DataLayout::counter_increment == 1,
-            "flow-free idiom only works with 1");
-    addptr(bumped_count, DataLayout::counter_increment);
-    sbbptr(bumped_count, 0);
-    movptr(data, bumped_count); // Store back out
-
-    // The method data pointer needs to be updated to reflect the new target.
-    update_mdp_by_offset(mdp, in_bytes(JumpData::displacement_offset()));
-    bind(profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_not_taken_branch(Register mdp) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    // We are taking a branch.  Increment the not taken count.
-    increment_mdp_data_at(mdp, in_bytes(BranchData::not_taken_offset()));
-
-    // The method data pointer needs to be updated to correspond to
-    // the next bytecode
-    update_mdp_by_constant(mdp, in_bytes(BranchData::branch_data_size()));
-    bind(profile_continue);
-  }
-}
-
-void InterpreterMacroAssembler::profile_call(Register mdp) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    // We are making a call.  Increment the count.
-    increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
-
-    // The method data pointer needs to be updated to reflect the new target.
-    update_mdp_by_constant(mdp, in_bytes(CounterData::counter_data_size()));
-    bind(profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_final_call(Register mdp) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    // We are making a call.  Increment the count.
-    increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
-
-    // The method data pointer needs to be updated to reflect the new target.
-    update_mdp_by_constant(mdp,
-                           in_bytes(VirtualCallData::
-                                    virtual_call_data_size()));
-    bind(profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_virtual_call(Register receiver,
-                                                     Register mdp,
-                                                     Register reg2,
-                                                     bool receiver_can_be_null) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    Label skip_receiver_profile;
-    if (receiver_can_be_null) {
-      Label not_null;
-      testptr(receiver, receiver);
-      jccb(Assembler::notZero, not_null);
-      // We are making a call.  Increment the count for null receiver.
-      increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
-      jmp(skip_receiver_profile);
-      bind(not_null);
-    }
-
-    // Record the receiver type.
-    record_klass_in_profile(receiver, mdp, reg2, true);
-    bind(skip_receiver_profile);
-
-    // The method data pointer needs to be updated to reflect the new target.
-    update_mdp_by_constant(mdp,
-                           in_bytes(VirtualCallData::
-                                    virtual_call_data_size()));
-    bind(profile_continue);
-  }
-}
-
-// This routine creates a state machine for updating the multi-row
-// type profile at a virtual call site (or other type-sensitive bytecode).
-// The machine visits each row (of receiver/count) until the receiver type
-// is found, or until it runs out of rows.  At the same time, it remembers
-// the location of the first empty row.  (An empty row records null for its
-// receiver, and can be allocated for a newly-observed receiver type.)
-// Because there are two degrees of freedom in the state, a simple linear
-// search will not work; it must be a decision tree.  Hence this helper
-// function is recursive, to generate the required tree structured code.
-// It's the interpreter, so we are trading off code space for speed.
-// See below for example code.
-void InterpreterMacroAssembler::record_klass_in_profile_helper(
-                                        Register receiver, Register mdp,
-                                        Register reg2, int start_row,
-                                        Label& done, bool is_virtual_call) {
-  if (TypeProfileWidth == 0) {
-    if (is_virtual_call) {
-      increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
-    }
-    return;
-  }
-
-  int last_row = VirtualCallData::row_limit() - 1;
-  assert(start_row <= last_row, "must be work left to do");
-  // Test this row for both the receiver and for null.
-  // Take any of three different outcomes:
-  //   1. found receiver => increment count and goto done
-  //   2. found null => keep looking for case 1, maybe allocate this cell
-  //   3. found something else => keep looking for cases 1 and 2
-  // Case 3 is handled by a recursive call.
-  for (int row = start_row; row <= last_row; row++) {
-    Label next_test;
-    bool test_for_null_also = (row == start_row);
-
-    // See if the receiver is receiver[n].
-    int recvr_offset = in_bytes(VirtualCallData::receiver_offset(row));
-    test_mdp_data_at(mdp, recvr_offset, receiver,
-                     (test_for_null_also ? reg2 : noreg),
-                     next_test);
-    // (Reg2 now contains the receiver from the CallData.)
-
-    // The receiver is receiver[n].  Increment count[n].
-    int count_offset = in_bytes(VirtualCallData::receiver_count_offset(row));
-    increment_mdp_data_at(mdp, count_offset);
-    jmp(done);
-    bind(next_test);
-
-    if (test_for_null_also) {
-      Label found_null;
-      // Failed the equality check on receiver[n]...  Test for null.
-      testptr(reg2, reg2);
-      if (start_row == last_row) {
-        // The only thing left to do is handle the null case.
-        if (is_virtual_call) {
-          jccb(Assembler::zero, found_null);
-          // Receiver did not match any saved receiver and there is no empty row for it.
-          // Increment total counter to indicate polymorphic case.
-          increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
-          jmp(done);
-          bind(found_null);
-        } else {
-          jcc(Assembler::notZero, done);
-        }
-        break;
-      }
-      // Since null is rare, make it be the branch-taken case.
-      jcc(Assembler::zero, found_null);
-
-      // Put all the "Case 3" tests here.
-      record_klass_in_profile_helper(receiver, mdp, reg2, start_row + 1, done, is_virtual_call);
-
-      // Found a null.  Keep searching for a matching receiver,
-      // but remember that this is an empty (unused) slot.
-      bind(found_null);
-    }
-  }
-
-  // In the fall-through case, we found no matching receiver, but we
-  // observed the receiver[start_row] is NULL.
-
-  // Fill in the receiver field and increment the count.
-  int recvr_offset = in_bytes(VirtualCallData::receiver_offset(start_row));
-  set_mdp_data_at(mdp, recvr_offset, receiver);
-  int count_offset = in_bytes(VirtualCallData::receiver_count_offset(start_row));
-  movl(reg2, DataLayout::counter_increment);
-  set_mdp_data_at(mdp, count_offset, reg2);
-  if (start_row > 0) {
-    jmp(done);
-  }
-}
-
-// Example state machine code for three profile rows:
-//   // main copy of decision tree, rooted at row[1]
-//   if (row[0].rec == rec) { row[0].incr(); goto done; }
-//   if (row[0].rec != NULL) {
-//     // inner copy of decision tree, rooted at row[1]
-//     if (row[1].rec == rec) { row[1].incr(); goto done; }
-//     if (row[1].rec != NULL) {
-//       // degenerate decision tree, rooted at row[2]
-//       if (row[2].rec == rec) { row[2].incr(); goto done; }
-//       if (row[2].rec != NULL) { count.incr(); goto done; } // overflow
-//       row[2].init(rec); goto done;
-//     } else {
-//       // remember row[1] is empty
-//       if (row[2].rec == rec) { row[2].incr(); goto done; }
-//       row[1].init(rec); goto done;
-//     }
-//   } else {
-//     // remember row[0] is empty
-//     if (row[1].rec == rec) { row[1].incr(); goto done; }
-//     if (row[2].rec == rec) { row[2].incr(); goto done; }
-//     row[0].init(rec); goto done;
-//   }
-//   done:
-
-void InterpreterMacroAssembler::record_klass_in_profile(Register receiver,
-                                                        Register mdp, Register reg2,
-                                                        bool is_virtual_call) {
-  assert(ProfileInterpreter, "must be profiling");
-  Label done;
-
-  record_klass_in_profile_helper(receiver, mdp, reg2, 0, done, is_virtual_call);
-
-  bind (done);
-}
-
-void InterpreterMacroAssembler::profile_ret(Register return_bci,
-                                            Register mdp) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-    uint row;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    // Update the total ret count.
-    increment_mdp_data_at(mdp, in_bytes(CounterData::count_offset()));
-
-    for (row = 0; row < RetData::row_limit(); row++) {
-      Label next_test;
-
-      // See if return_bci is equal to bci[n]:
-      test_mdp_data_at(mdp,
-                       in_bytes(RetData::bci_offset(row)),
-                       return_bci, noreg,
-                       next_test);
-
-      // return_bci is equal to bci[n].  Increment the count.
-      increment_mdp_data_at(mdp, in_bytes(RetData::bci_count_offset(row)));
-
-      // The method data pointer needs to be updated to reflect the new target.
-      update_mdp_by_offset(mdp,
-                           in_bytes(RetData::bci_displacement_offset(row)));
-      jmp(profile_continue);
-      bind(next_test);
-    }
-
-    update_mdp_for_ret(return_bci);
-
-    bind(profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_null_seen(Register mdp) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    set_mdp_flag_at(mdp, BitData::null_seen_byte_constant());
-
-    // The method data pointer needs to be updated.
-    int mdp_delta = in_bytes(BitData::bit_data_size());
-    if (TypeProfileCasts) {
-      mdp_delta = in_bytes(VirtualCallData::virtual_call_data_size());
-    }
-    update_mdp_by_constant(mdp, mdp_delta);
-
-    bind(profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_typecheck_failed(Register mdp) {
-  if (ProfileInterpreter && TypeProfileCasts) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    int count_offset = in_bytes(CounterData::count_offset());
-    // Back up the address, since we have already bumped the mdp.
-    count_offset -= in_bytes(VirtualCallData::virtual_call_data_size());
-
-    // *Decrement* the counter.  We expect to see zero or small negatives.
-    increment_mdp_data_at(mdp, count_offset, true);
-
-    bind (profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_typecheck(Register mdp, Register klass, Register reg2) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    // The method data pointer needs to be updated.
-    int mdp_delta = in_bytes(BitData::bit_data_size());
-    if (TypeProfileCasts) {
-      mdp_delta = in_bytes(VirtualCallData::virtual_call_data_size());
-
-      // Record the object type.
-      record_klass_in_profile(klass, mdp, reg2, false);
-    }
-    update_mdp_by_constant(mdp, mdp_delta);
-
-    bind(profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_switch_default(Register mdp) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    // Update the default case count
-    increment_mdp_data_at(mdp,
-                          in_bytes(MultiBranchData::default_count_offset()));
-
-    // The method data pointer needs to be updated.
-    update_mdp_by_offset(mdp,
-                         in_bytes(MultiBranchData::
-                                  default_displacement_offset()));
-
-    bind(profile_continue);
-  }
-}
-
-
-void InterpreterMacroAssembler::profile_switch_case(Register index,
-                                                    Register mdp,
-                                                    Register reg2) {
-  if (ProfileInterpreter) {
-    Label profile_continue;
-
-    // If no method data exists, go to profile_continue.
-    test_method_data_pointer(mdp, profile_continue);
-
-    // Build the base (index * per_case_size_in_bytes()) +
-    // case_array_offset_in_bytes()
-    movl(reg2, in_bytes(MultiBranchData::per_case_size()));
-    imulptr(index, reg2); // XXX l ?
-    addptr(index, in_bytes(MultiBranchData::case_array_offset())); // XXX l ?
-
-    // Update the case count
-    increment_mdp_data_at(mdp,
-                          index,
-                          in_bytes(MultiBranchData::relative_count_offset()));
-
-    // The method data pointer needs to be updated.
-    update_mdp_by_offset(mdp,
-                         index,
-                         in_bytes(MultiBranchData::
-                                  relative_displacement_offset()));
-
-    bind(profile_continue);
-  }
-}
-
-
-
-void InterpreterMacroAssembler::verify_oop(Register reg, TosState state) {
-  if (state == atos) {
-    MacroAssembler::verify_oop(reg);
-  }
-}
-
-void InterpreterMacroAssembler::verify_FPU(int stack_depth, TosState state) {
-}
-
-// Jump if ((*counter_addr += increment) & mask) satisfies the condition.
-void InterpreterMacroAssembler::increment_mask_and_jump(Address counter_addr,
-                                                        int increment, Address mask,
-                                                        Register scratch, bool preloaded,
-                                                        Condition cond, Label* where) {
-  if (!preloaded) {
-    movl(scratch, counter_addr);
-  }
-  incrementl(scratch, increment);
-  movl(counter_addr, scratch);
-  andl(scratch, mask);
-  jcc(cond, *where);
-}
-#endif // !CC_INTERP
-
-
-void InterpreterMacroAssembler::notify_method_entry() {
-  // Whenever JVMTI is interp_only_mode, method entry/exit events are sent to
-  // track stack depth.  If it is possible to enter interp_only_mode we add
-  // the code to check if the event should be sent.
-  if (JvmtiExport::can_post_interpreter_events()) {
-    Label L;
-    movl(rdx, Address(r15_thread, JavaThread::interp_only_mode_offset()));
-    testl(rdx, rdx);
-    jcc(Assembler::zero, L);
-    call_VM(noreg, CAST_FROM_FN_PTR(address,
-                                    InterpreterRuntime::post_method_entry));
-    bind(L);
-  }
-
-  {
-    SkipIfEqual skip(this, &DTraceMethodProbes, false);
-    get_method(c_rarg1);
-    call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_entry),
-                 r15_thread, c_rarg1);
-  }
-
-  // RedefineClasses() tracing support for obsolete method entry
-  if (RC_TRACE_IN_RANGE(0x00001000, 0x00002000)) {
-    get_method(c_rarg1);
-    call_VM_leaf(
-      CAST_FROM_FN_PTR(address, SharedRuntime::rc_trace_method_entry),
-      r15_thread, c_rarg1);
-  }
-}
-
-
-void InterpreterMacroAssembler::notify_method_exit(
-    TosState state, NotifyMethodExitMode mode) {
-  // Whenever JVMTI is interp_only_mode, method entry/exit events are sent to
-  // track stack depth.  If it is possible to enter interp_only_mode we add
-  // the code to check if the event should be sent.
-  if (mode == NotifyJVMTI && JvmtiExport::can_post_interpreter_events()) {
-    Label L;
-    // Note: frame::interpreter_frame_result has a dependency on how the
-    // method result is saved across the call to post_method_exit. If this
-    // is changed then the interpreter_frame_result implementation will
-    // need to be updated too.
-
-    // For c++ interpreter the result is always stored at a known location in the frame
-    // template interpreter will leave it on the top of the stack.
-    NOT_CC_INTERP(push(state);)
-    movl(rdx, Address(r15_thread, JavaThread::interp_only_mode_offset()));
-    testl(rdx, rdx);
-    jcc(Assembler::zero, L);
-    call_VM(noreg,
-            CAST_FROM_FN_PTR(address, InterpreterRuntime::post_method_exit));
-    bind(L);
-    NOT_CC_INTERP(pop(state));
-  }
-
-  {
-    SkipIfEqual skip(this, &DTraceMethodProbes, false);
-    NOT_CC_INTERP(push(state));
-    get_method(c_rarg1);
-    call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_method_exit),
-                 r15_thread, c_rarg1);
-    NOT_CC_INTERP(pop(state));
-  }
-}
-
--- a/hotspot/src/cpu/x86/vm/interp_masm_x86_64.hpp	Fri Mar 13 09:18:28 2015 -0700
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,240 +0,0 @@
-/*
- * Copyright (c) 2003, 2014, 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.
- *
- */
-
-#ifndef CC_INTERP
- protected:
-  // Interpreter specific version of call_VM_base
-  virtual void call_VM_leaf_base(address entry_point,
-                                 int number_of_arguments);
-
-  virtual void call_VM_base(Register oop_result,
-                            Register java_thread,
-                            Register last_java_sp,
-                            address  entry_point,
-                            int number_of_arguments,
-                            bool check_exceptions);
-
-  virtual void check_and_handle_popframe(Register java_thread);
-  virtual void check_and_handle_earlyret(Register java_thread);
-
-  // base routine for all dispatches
-  void dispatch_base(TosState state, address* table, bool verifyoop = true);
-#endif // CC_INTERP
-
- public:
-  InterpreterMacroAssembler(CodeBuffer* code) : MacroAssembler(code), _locals_register(r14), _bcp_register(r13) {}
-
-  void load_earlyret_value(TosState state);
-
-#ifdef CC_INTERP
-  void save_bcp()                                          { /*  not needed in c++ interpreter and harmless */ }
-  void restore_bcp()                                       { /*  not needed in c++ interpreter and harmless */ }
-
-  // Helpers for runtime call arguments/results
-  void get_method(Register reg);
-
-#else
-
-  // Interpreter-specific registers
-  void save_bcp() {
-    movptr(Address(rbp, frame::interpreter_frame_bcp_offset * wordSize), r13);
-  }
-
-  void restore_bcp() {
-    movptr(r13, Address(rbp, frame::interpreter_frame_bcp_offset * wordSize));
-  }
-
-  void restore_locals() {
-    movptr(r14, Address(rbp, frame::interpreter_frame_locals_offset * wordSize));
-  }
-
-  // Helpers for runtime call arguments/results
-  void get_method(Register reg) {
-    movptr(reg, Address(rbp, frame::interpreter_frame_method_offset * wordSize));
-  }
-
-  void get_const(Register reg) {
-    get_method(reg);
-    movptr(reg, Address(reg, Method::const_offset()));
-  }
-
-  void get_constant_pool(Register reg) {
-    get_const(reg);
-    movptr(reg, Address(reg, ConstMethod::constants_offset()));
-  }
-
-  void get_constant_pool_cache(Register reg) {
-    get_constant_pool(reg);
-    movptr(reg, Address(reg, ConstantPool::cache_offset_in_bytes()));
-  }
-
-  void get_cpool_and_tags(Register cpool, Register tags) {
-    get_constant_pool(cpool);
-    movptr(tags, Address(cpool, ConstantPool::tags_offset_in_bytes()));
-  }
-
-  void get_unsigned_2_byte_index_at_bcp(Register reg, int bcp_offset);
-  void get_cache_and_index_at_bcp(Register cache, Register index, int bcp_offset, size_t index_size = sizeof(u2));
-  void get_cache_and_index_and_bytecode_at_bcp(Register cache, Register index, Register bytecode, int byte_no, int bcp_offset, size_t index_size = sizeof(u2));
-  void get_cache_entry_pointer_at_bcp(Register cache, Register tmp, int bcp_offset, size_t index_size = sizeof(u2));
-  void get_cache_index_at_bcp(Register index, int bcp_offset, size_t index_size = sizeof(u2));
-
-  // load cpool->resolved_references(index);
-  void load_resolved_reference_at_index(Register result, Register index);
-
-  void pop_ptr(Register r = rax);
-  void pop_i(Register r = rax);
-  void pop_l(Register r = rax);
-  void pop_f(XMMRegister r = xmm0);
-  void pop_d(XMMRegister r = xmm0);
-  void push_ptr(Register r = rax);
-  void push_i(Register r = rax);
-  void push_l(Register r = rax);
-  void push_f(XMMRegister r = xmm0);
-  void push_d(XMMRegister r = xmm0);
-
-  void pop(Register r ) { ((MacroAssembler*)this)->pop(r); }
-
-  void push(Register r ) { ((MacroAssembler*)this)->push(r); }
-  void push(int32_t imm ) { ((MacroAssembler*)this)->push(imm); }
-
-  void pop(TosState state); // transition vtos -> state
-  void push(TosState state); // transition state -> vtos
-
-  void empty_expression_stack() {
-    movptr(rsp, Address(rbp, frame::interpreter_frame_monitor_block_top_offset * wordSize));
-    // NULL last_sp until next java call
-    movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD);
-  }
-
-  // Helpers for swap and dup
-  void load_ptr(int n, Register val);
-  void store_ptr(int n, Register val);
-
-  // Generate a subtype check: branch to ok_is_subtype if sub_klass is
-  // a subtype of super_klass.
-  void gen_subtype_check( Register sub_klass, Label &ok_is_subtype );
-
-  // Dispatching
-  void dispatch_prolog(TosState state, int step = 0);
-  void dispatch_epilog(TosState state, int step = 0);
-  // dispatch via ebx (assume ebx is loaded already)
-  void dispatch_only(TosState state);
-  // dispatch normal table via ebx (assume ebx is loaded already)
-  void dispatch_only_normal(TosState state);
-  void dispatch_only_noverify(TosState state);
-  // load ebx from [esi + step] and dispatch via ebx
-  void dispatch_next(TosState state, int step = 0);
-  // load ebx from [esi] and dispatch via ebx and table
-  void dispatch_via (TosState state, address* table);
-
-  // jump to an invoked target
-  void prepare_to_jump_from_interpreted();
-  void jump_from_interpreted(Register method, Register temp);
-
-
-  // Returning from interpreted functions
-  //
-  // Removes the current activation (incl. unlocking of monitors)
-  // and sets up the return address.  This code is also used for
-  // exception unwindwing. In that case, we do not want to throw
-  // IllegalMonitorStateExceptions, since that might get us into an
-  // infinite rethrow exception loop.
-  // Additionally this code is used for popFrame and earlyReturn.
-  // In popFrame case we want to skip throwing an exception,
-  // installing an exception, and notifying jvmdi.
-  // In earlyReturn case we only want to skip throwing an exception
-  // and installing an exception.
-  void remove_activation(TosState state, Register ret_addr,
-                         bool throw_monitor_exception = true,
-                         bool install_monitor_exception = true,
-                         bool notify_jvmdi = true);
-#endif // CC_INTERP
-  void get_method_counters(Register method, Register mcs, Label& skip);
-
-  // Object locking
-  void lock_object  (Register lock_reg);
-  void unlock_object(Register lock_reg);
-
-#ifndef CC_INTERP
-
-  // Interpreter profiling operations
-  void set_method_data_pointer_for_bcp();
-  void test_method_data_pointer(Register mdp, Label& zero_continue);
-  void verify_method_data_pointer();
-
-  void set_mdp_data_at(Register mdp_in, int constant, Register value);
-  void increment_mdp_data_at(Address data, bool decrement = false);
-  void increment_mdp_data_at(Register mdp_in, int constant,
-                             bool decrement = false);
-  void increment_mdp_data_at(Register mdp_in, Register reg, int constant,
-                             bool decrement = false);
-  void increment_mask_and_jump(Address counter_addr,
-                               int increment, Address mask,
-                               Register scratch, bool preloaded,
-                               Condition cond, Label* where);
-  void set_mdp_flag_at(Register mdp_in, int flag_constant);
-  void test_mdp_data_at(Register mdp_in, int offset, Register value,
-                        Register test_value_out,
-                        Label& not_equal_continue);
-
-  void record_klass_in_profile(Register receiver, Register mdp,
-                               Register reg2, bool is_virtual_call);
-  void record_klass_in_profile_helper(Register receiver, Register mdp,
-                                      Register reg2, int start_row,
-                                      Label& done, bool is_virtual_call);
-
-  void update_mdp_by_offset(Register mdp_in, int offset_of_offset);
-  void update_mdp_by_offset(Register mdp_in, Register reg, int offset_of_disp);
-  void update_mdp_by_constant(Register mdp_in, int constant);
-  void update_mdp_for_ret(Register return_bci);
-
-  void profile_taken_branch(Register mdp, Register bumped_count);
-  void profile_not_taken_branch(Register mdp);
-  void profile_call(Register mdp);
-  void profile_final_call(Register mdp);
-  void profile_virtual_call(Register receiver, Register mdp,
-                            Register scratch2,
-                            bool receiver_can_be_null = false);
-  void profile_ret(Register return_bci, Register mdp);
-  void profile_null_seen(Register mdp);
-  void profile_typecheck(Register mdp, Register klass, Register scratch);
-  void profile_typecheck_failed(Register mdp);
-  void profile_switch_default(Register mdp);
-  void profile_switch_case(Register index_in_scratch, Register mdp,
-                           Register scratch2);
-
-  // Debugging
-  // only if +VerifyOops && state == atos
-  void verify_oop(Register reg, TosState state = atos);
-  // only if +VerifyFPU  && (state == ftos || state == dtos)
-  void verify_FPU(int stack_depth, TosState state = ftos);
-
-#endif // !CC_INTERP
-
-  typedef enum { NotifyJVMTI, SkipNotifyJVMTI } NotifyMethodExitMode;
-
-  // support for jvmti/dtrace
-  void notify_method_entry();
-  void notify_method_exit(TosState state, NotifyMethodExitMode mode);