diff src/cpu/ppc/vm/templateTable_ppc_64.cpp @ 17804:fd1b9f02cc91

8036976: PPC64: implement the template interpreter Reviewed-by: kvn, coleenp Contributed-by: axel.siebenborn@sap.com, martin.doerr@sap.com
author goetz
date Mon, 10 Mar 2014 12:58:02 +0100
parents
children 63c5920a038d
line wrap: on
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cpu/ppc/vm/templateTable_ppc_64.cpp	Mon Mar 10 12:58:02 2014 +0100
@@ -0,0 +1,4082 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2013, 2014 SAP AG. 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 "asm/macroAssembler.inline.hpp"
+#include "interpreter/interpreter.hpp"
+#include "interpreter/interpreterRuntime.hpp"
+#include "interpreter/templateInterpreter.hpp"
+#include "interpreter/templateTable.hpp"
+#include "memory/universe.inline.hpp"
+#include "oops/objArrayKlass.hpp"
+#include "oops/oop.inline.hpp"
+#include "prims/methodHandles.hpp"
+#include "runtime/sharedRuntime.hpp"
+#include "runtime/stubRoutines.hpp"
+#include "runtime/synchronizer.hpp"
+#include "utilities/macros.hpp"
+
+#ifndef CC_INTERP
+
+#undef __
+#define __ _masm->
+
+// ============================================================================
+// Misc helpers
+
+// Do an oop store like *(base + index) = val OR *(base + offset) = val
+// (only one of both variants is possible at the same time).
+// Index can be noreg.
+// Kills:
+//   Rbase, Rtmp
+static void do_oop_store(InterpreterMacroAssembler* _masm,
+                         Register           Rbase,
+                         RegisterOrConstant offset,
+                         Register           Rval,         // Noreg means always null.
+                         Register           Rtmp1,
+                         Register           Rtmp2,
+                         Register           Rtmp3,
+                         BarrierSet::Name   barrier,
+                         bool               precise,
+                         bool               check_null) {
+  assert_different_registers(Rtmp1, Rtmp2, Rtmp3, Rval, Rbase);
+
+  switch (barrier) {
+#ifndef SERIALGC
+    case BarrierSet::G1SATBCT:
+    case BarrierSet::G1SATBCTLogging:
+      {
+        // Load and record the previous value.
+        __ g1_write_barrier_pre(Rbase, offset,
+                                Rtmp3, /* holder of pre_val ? */
+                                Rtmp1, Rtmp2, false /* frame */);
+
+        Label Lnull, Ldone;
+        if (Rval != noreg) {
+          if (check_null) {
+            __ cmpdi(CCR0, Rval, 0);
+            __ beq(CCR0, Lnull);
+          }
+          __ store_heap_oop_not_null(Rval, offset, Rbase, /*Rval must stay uncompressed.*/ Rtmp1);
+          // Mark the card.
+          if (!(offset.is_constant() && offset.as_constant() == 0) && precise) {
+            __ add(Rbase, offset, Rbase);
+          }
+          __ g1_write_barrier_post(Rbase, Rval, Rtmp1, Rtmp2, Rtmp3, /*filtered (fast path)*/ &Ldone);
+          if (check_null) { __ b(Ldone); }
+        }
+
+        if (Rval == noreg || check_null) { // Store null oop.
+          Register Rnull = Rval;
+          __ bind(Lnull);
+          if (Rval == noreg) {
+            Rnull = Rtmp1;
+            __ li(Rnull, 0);
+          }
+          if (UseCompressedOops) {
+            __ stw(Rnull, offset, Rbase);
+          } else {
+            __ std(Rnull, offset, Rbase);
+          }
+        }
+        __ bind(Ldone);
+      }
+      break;
+#endif // SERIALGC
+    case BarrierSet::CardTableModRef:
+    case BarrierSet::CardTableExtension:
+      {
+        Label Lnull, Ldone;
+        if (Rval != noreg) {
+          if (check_null) {
+            __ cmpdi(CCR0, Rval, 0);
+            __ beq(CCR0, Lnull);
+          }
+          __ store_heap_oop_not_null(Rval, offset, Rbase, /*Rval should better stay uncompressed.*/ Rtmp1);
+          // Mark the card.
+          if (!(offset.is_constant() && offset.as_constant() == 0) && precise) {
+            __ add(Rbase, offset, Rbase);
+          }
+          __ card_write_barrier_post(Rbase, Rval, Rtmp1);
+          if (check_null) {
+            __ b(Ldone);
+          }
+        }
+
+        if (Rval == noreg || check_null) { // Store null oop.
+          Register Rnull = Rval;
+          __ bind(Lnull);
+          if (Rval == noreg) {
+            Rnull = Rtmp1;
+            __ li(Rnull, 0);
+          }
+          if (UseCompressedOops) {
+            __ stw(Rnull, offset, Rbase);
+          } else {
+            __ std(Rnull, offset, Rbase);
+          }
+        }
+        __ bind(Ldone);
+      }
+      break;
+    case BarrierSet::ModRef:
+    case BarrierSet::Other:
+      ShouldNotReachHere();
+      break;
+    default:
+      ShouldNotReachHere();
+  }
+}
+
+// ============================================================================
+// Platform-dependent initialization
+
+void TemplateTable::pd_initialize() {
+  // No ppc64 specific initialization.
+}
+
+Address TemplateTable::at_bcp(int offset) {
+  // Not used on ppc.
+  ShouldNotReachHere();
+  return Address();
+}
+
+// Patches the current bytecode (ptr to it located in bcp)
+// in the bytecode stream with a new one.
+void TemplateTable::patch_bytecode(Bytecodes::Code new_bc, Register Rnew_bc, Register Rtemp, bool load_bc_into_bc_reg /*=true*/, int byte_no) {
+  // With sharing on, may need to test method flag.
+  if (!RewriteBytecodes) return;
+  Label L_patch_done;
+
+  switch (new_bc) {
+    case Bytecodes::_fast_aputfield:
+    case Bytecodes::_fast_bputfield:
+    case Bytecodes::_fast_cputfield:
+    case Bytecodes::_fast_dputfield:
+    case Bytecodes::_fast_fputfield:
+    case Bytecodes::_fast_iputfield:
+    case Bytecodes::_fast_lputfield:
+    case Bytecodes::_fast_sputfield:
+    {
+      // We skip bytecode quickening for putfield instructions when
+      // the put_code written to the constant pool cache is zero.
+      // This is required so that every execution of this instruction
+      // calls out to InterpreterRuntime::resolve_get_put to do
+      // additional, required work.
+      assert(byte_no == f1_byte || byte_no == f2_byte, "byte_no out of range");
+      assert(load_bc_into_bc_reg, "we use bc_reg as temp");
+      __ get_cache_and_index_at_bcp(Rtemp /* dst = cache */, 1);
+      // Big Endian: ((*(cache+indices))>>((1+byte_no)*8))&0xFF
+      __ lbz(Rnew_bc, in_bytes(ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::indices_offset()) + 7 - (1 + byte_no), Rtemp);
+      __ cmpwi(CCR0, Rnew_bc, 0);
+      __ li(Rnew_bc, (unsigned int)(unsigned char)new_bc);
+      __ beq(CCR0, L_patch_done);
+      // __ isync(); // acquire not needed
+      break;
+    }
+
+    default:
+      assert(byte_no == -1, "sanity");
+      if (load_bc_into_bc_reg) {
+        __ li(Rnew_bc, (unsigned int)(unsigned char)new_bc);
+      }
+  }
+
+  if (JvmtiExport::can_post_breakpoint()) {
+    Label L_fast_patch;
+    __ lbz(Rtemp, 0, R14_bcp);
+    __ cmpwi(CCR0, Rtemp, (unsigned int)(unsigned char)Bytecodes::_breakpoint);
+    __ bne(CCR0, L_fast_patch);
+    // Perform the quickening, slowly, in the bowels of the breakpoint table.
+    __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::set_original_bytecode_at), R19_method, R14_bcp, Rnew_bc);
+    __ b(L_patch_done);
+    __ bind(L_fast_patch);
+  }
+
+  // Patch bytecode.
+  __ stb(Rnew_bc, 0, R14_bcp);
+
+  __ bind(L_patch_done);
+}
+
+// ============================================================================
+// Individual instructions
+
+void TemplateTable::nop() {
+  transition(vtos, vtos);
+  // Nothing to do.
+}
+
+void TemplateTable::shouldnotreachhere() {
+  transition(vtos, vtos);
+  __ stop("shouldnotreachhere bytecode");
+}
+
+void TemplateTable::aconst_null() {
+  transition(vtos, atos);
+  __ li(R17_tos, 0);
+}
+
+void TemplateTable::iconst(int value) {
+  transition(vtos, itos);
+  assert(value >= -1 && value <= 5, "");
+  __ li(R17_tos, value);
+}
+
+void TemplateTable::lconst(int value) {
+  transition(vtos, ltos);
+  assert(value >= -1 && value <= 5, "");
+  __ li(R17_tos, value);
+}
+
+void TemplateTable::fconst(int value) {
+  transition(vtos, ftos);
+  static float zero = 0.0;
+  static float one  = 1.0;
+  static float two  = 2.0;
+  switch (value) {
+    default: ShouldNotReachHere();
+    case 0: {
+      int simm16_offset = __ load_const_optimized(R11_scratch1, (address*)&zero, R0);
+      __ lfs(F15_ftos, simm16_offset, R11_scratch1);
+      break;
+    }
+    case 1: {
+      int simm16_offset = __ load_const_optimized(R11_scratch1, (address*)&one, R0);
+      __ lfs(F15_ftos, simm16_offset, R11_scratch1);
+      break;
+    }
+    case 2: {
+      int simm16_offset = __ load_const_optimized(R11_scratch1, (address*)&two, R0);
+      __ lfs(F15_ftos, simm16_offset, R11_scratch1);
+      break;
+    }
+  }
+}
+
+void TemplateTable::dconst(int value) {
+  transition(vtos, dtos);
+  static double zero = 0.0;
+  static double one  = 1.0;
+  switch (value) {
+    case 0: {
+      int simm16_offset = __ load_const_optimized(R11_scratch1, (address*)&zero, R0);
+      __ lfd(F15_ftos, simm16_offset, R11_scratch1);
+      break;
+    }
+    case 1: {
+      int simm16_offset = __ load_const_optimized(R11_scratch1, (address*)&one, R0);
+      __ lfd(F15_ftos, simm16_offset, R11_scratch1);
+      break;
+    }
+    default: ShouldNotReachHere();
+  }
+}
+
+void TemplateTable::bipush() {
+  transition(vtos, itos);
+  __ lbz(R17_tos, 1, R14_bcp);
+  __ extsb(R17_tos, R17_tos);
+}
+
+void TemplateTable::sipush() {
+  transition(vtos, itos);
+  __ get_2_byte_integer_at_bcp(1, R17_tos, InterpreterMacroAssembler::Signed);
+}
+
+void TemplateTable::ldc(bool wide) {
+  Register Rscratch1 = R11_scratch1,
+           Rscratch2 = R12_scratch2,
+           Rcpool    = R3_ARG1;
+
+  transition(vtos, vtos);
+  Label notInt, notClass, exit;
+
+  __ get_cpool_and_tags(Rcpool, Rscratch2); // Set Rscratch2 = &tags.
+  if (wide) { // Read index.
+    __ get_2_byte_integer_at_bcp(1, Rscratch1, InterpreterMacroAssembler::Unsigned);
+  } else {
+    __ lbz(Rscratch1, 1, R14_bcp);
+  }
+
+  const int base_offset = ConstantPool::header_size() * wordSize;
+  const int tags_offset = Array<u1>::base_offset_in_bytes();
+
+  // Get type from tags.
+  __ addi(Rscratch2, Rscratch2, tags_offset);
+  __ lbzx(Rscratch2, Rscratch2, Rscratch1);
+
+  __ cmpwi(CCR0, Rscratch2, JVM_CONSTANT_UnresolvedClass); // Unresolved class?
+  __ cmpwi(CCR1, Rscratch2, JVM_CONSTANT_UnresolvedClassInError); // Unresolved class in error state?
+  __ cror(/*CR0 eq*/2, /*CR1 eq*/4+2, /*CR0 eq*/2);
+
+  // Resolved class - need to call vm to get java mirror of the class.
+  __ cmpwi(CCR1, Rscratch2, JVM_CONSTANT_Class);
+  __ crnor(/*CR0 eq*/2, /*CR1 eq*/4+2, /*CR0 eq*/2); // Neither resolved class nor unresolved case from above?
+  __ beq(CCR0, notClass);
+
+  __ li(R4, wide ? 1 : 0);
+  call_VM(R17_tos, CAST_FROM_FN_PTR(address, InterpreterRuntime::ldc), R4);
+  __ push(atos);
+  __ b(exit);
+
+  __ align(32, 12);
+  __ bind(notClass);
+  __ addi(Rcpool, Rcpool, base_offset);
+  __ sldi(Rscratch1, Rscratch1, LogBytesPerWord);
+  __ cmpdi(CCR0, Rscratch2, JVM_CONSTANT_Integer);
+  __ bne(CCR0, notInt);
+  __ isync(); // Order load of constant wrt. tags.
+  __ lwax(R17_tos, Rcpool, Rscratch1);
+  __ push(itos);
+  __ b(exit);
+
+  __ align(32, 12);
+  __ bind(notInt);
+#ifdef ASSERT
+  // String and Object are rewritten to fast_aldc
+  __ cmpdi(CCR0, Rscratch2, JVM_CONSTANT_Float);
+  __ asm_assert_eq("unexpected type", 0x8765);
+#endif
+  __ isync(); // Order load of constant wrt. tags.
+  __ lfsx(F15_ftos, Rcpool, Rscratch1);
+  __ push(ftos);
+
+  __ align(32, 12);
+  __ bind(exit);
+}
+
+// Fast path for caching oop constants.
+void TemplateTable::fast_aldc(bool wide) {
+  transition(vtos, atos);
+
+  int index_size = wide ? sizeof(u2) : sizeof(u1);
+  const Register Rscratch = R11_scratch1;
+  Label resolved;
+
+  // We are resolved if the resolved reference cache entry contains a
+  // non-null object (CallSite, etc.)
+  __ get_cache_index_at_bcp(Rscratch, 1, index_size);  // Load index.
+  __ load_resolved_reference_at_index(R17_tos, Rscratch);
+  __ cmpdi(CCR0, R17_tos, 0);
+  __ bne(CCR0, resolved);
+  __ load_const_optimized(R3_ARG1, (int)bytecode());
+
+  address entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_ldc);
+
+  // First time invocation - must resolve first.
+  __ call_VM(R17_tos, entry, R3_ARG1);
+
+  __ align(32, 12);
+  __ bind(resolved);
+  __ verify_oop(R17_tos);
+}
+
+void TemplateTable::ldc2_w() {
+  transition(vtos, vtos);
+  Label Llong, Lexit;
+
+  Register Rindex = R11_scratch1,
+           Rcpool = R12_scratch2,
+           Rtag   = R3_ARG1;
+  __ get_cpool_and_tags(Rcpool, Rtag);
+  __ get_2_byte_integer_at_bcp(1, Rindex, InterpreterMacroAssembler::Unsigned);
+
+  const int base_offset = ConstantPool::header_size() * wordSize;
+  const int tags_offset = Array<u1>::base_offset_in_bytes();
+  // Get type from tags.
+  __ addi(Rcpool, Rcpool, base_offset);
+  __ addi(Rtag, Rtag, tags_offset);
+
+  __ lbzx(Rtag, Rtag, Rindex);
+
+  __ sldi(Rindex, Rindex, LogBytesPerWord);
+  __ cmpdi(CCR0, Rtag, JVM_CONSTANT_Double);
+  __ bne(CCR0, Llong);
+  // A double can be placed at word-aligned locations in the constant pool.
+  // Check out Conversions.java for an example.
+  // Also ConstantPool::header_size() is 20, which makes it very difficult
+  // to double-align double on the constant pool. SG, 11/7/97
+  __ isync(); // Order load of constant wrt. tags.
+  __ lfdx(F15_ftos, Rcpool, Rindex);
+  __ push(dtos);
+  __ b(Lexit);
+
+  __ bind(Llong);
+  __ isync(); // Order load of constant wrt. tags.
+  __ ldx(R17_tos, Rcpool, Rindex);
+  __ push(ltos);
+
+  __ bind(Lexit);
+}
+
+// Get the locals index located in the bytecode stream at bcp + offset.
+void TemplateTable::locals_index(Register Rdst, int offset) {
+  __ lbz(Rdst, offset, R14_bcp);
+}
+
+void TemplateTable::iload() {
+  transition(vtos, itos);
+
+  // Get the local value into tos
+  const Register Rindex = R22_tmp2;
+  locals_index(Rindex);
+
+  // Rewrite iload,iload  pair into fast_iload2
+  //         iload,caload pair into fast_icaload
+  if (RewriteFrequentPairs) {
+    Label Lrewrite, Ldone;
+    Register Rnext_byte  = R3_ARG1,
+             Rrewrite_to = R6_ARG4,
+             Rscratch    = R11_scratch1;
+
+    // get next byte
+    __ lbz(Rnext_byte, Bytecodes::length_for(Bytecodes::_iload), R14_bcp);
+
+    // if _iload, wait to rewrite to iload2. We only want to rewrite the
+    // last two iloads in a pair. Comparing against fast_iload means that
+    // the next bytecode is neither an iload or a caload, and therefore
+    // an iload pair.
+    __ cmpwi(CCR0, Rnext_byte, (unsigned int)(unsigned char)Bytecodes::_iload);
+    __ beq(CCR0, Ldone);
+
+    __ cmpwi(CCR1, Rnext_byte, (unsigned int)(unsigned char)Bytecodes::_fast_iload);
+    __ li(Rrewrite_to, (unsigned int)(unsigned char)Bytecodes::_fast_iload2);
+    __ beq(CCR1, Lrewrite);
+
+    __ cmpwi(CCR0, Rnext_byte, (unsigned int)(unsigned char)Bytecodes::_caload);
+    __ li(Rrewrite_to, (unsigned int)(unsigned char)Bytecodes::_fast_icaload);
+    __ beq(CCR0, Lrewrite);
+
+    __ li(Rrewrite_to, (unsigned int)(unsigned char)Bytecodes::_fast_iload);
+
+    __ bind(Lrewrite);
+    patch_bytecode(Bytecodes::_iload, Rrewrite_to, Rscratch, false);
+    __ bind(Ldone);
+  }
+
+  __ load_local_int(R17_tos, Rindex, Rindex);
+}
+
+// Load 2 integers in a row without dispatching
+void TemplateTable::fast_iload2() {
+  transition(vtos, itos);
+
+  __ lbz(R3_ARG1, 1, R14_bcp);
+  __ lbz(R17_tos, Bytecodes::length_for(Bytecodes::_iload) + 1, R14_bcp);
+
+  __ load_local_int(R3_ARG1, R11_scratch1, R3_ARG1);
+  __ load_local_int(R17_tos, R12_scratch2, R17_tos);
+  __ push_i(R3_ARG1);
+}
+
+void TemplateTable::fast_iload() {
+  transition(vtos, itos);
+  // Get the local value into tos
+
+  const Register Rindex = R11_scratch1;
+  locals_index(Rindex);
+  __ load_local_int(R17_tos, Rindex, Rindex);
+}
+
+// Load a local variable type long from locals area to TOS cache register.
+// Local index resides in bytecodestream.
+void TemplateTable::lload() {
+  transition(vtos, ltos);
+
+  const Register Rindex = R11_scratch1;
+  locals_index(Rindex);
+  __ load_local_long(R17_tos, Rindex, Rindex);
+}
+
+void TemplateTable::fload() {
+  transition(vtos, ftos);
+
+  const Register Rindex = R11_scratch1;
+  locals_index(Rindex);
+  __ load_local_float(F15_ftos, Rindex, Rindex);
+}
+
+void TemplateTable::dload() {
+  transition(vtos, dtos);
+
+  const Register Rindex = R11_scratch1;
+  locals_index(Rindex);
+  __ load_local_double(F15_ftos, Rindex, Rindex);
+}
+
+void TemplateTable::aload() {
+  transition(vtos, atos);
+
+  const Register Rindex = R11_scratch1;
+  locals_index(Rindex);
+  __ load_local_ptr(R17_tos, Rindex, Rindex);
+}
+
+void TemplateTable::locals_index_wide(Register Rdst) {
+  // Offset is 2, not 1, because Lbcp points to wide prefix code.
+  __ get_2_byte_integer_at_bcp(2, Rdst, InterpreterMacroAssembler::Unsigned);
+}
+
+void TemplateTable::wide_iload() {
+  // Get the local value into tos.
+
+  const Register Rindex = R11_scratch1;
+  locals_index_wide(Rindex);
+  __ load_local_int(R17_tos, Rindex, Rindex);
+}
+
+void TemplateTable::wide_lload() {
+  transition(vtos, ltos);
+
+  const Register Rindex = R11_scratch1;
+  locals_index_wide(Rindex);
+  __ load_local_long(R17_tos, Rindex, Rindex);
+}
+
+void TemplateTable::wide_fload() {
+  transition(vtos, ftos);
+
+  const Register Rindex = R11_scratch1;
+  locals_index_wide(Rindex);
+  __ load_local_float(F15_ftos, Rindex, Rindex);
+}
+
+void TemplateTable::wide_dload() {
+  transition(vtos, dtos);
+
+  const Register Rindex = R11_scratch1;
+  locals_index_wide(Rindex);
+  __ load_local_double(F15_ftos, Rindex, Rindex);
+}
+
+void TemplateTable::wide_aload() {
+  transition(vtos, atos);
+
+  const Register Rindex = R11_scratch1;
+  locals_index_wide(Rindex);
+  __ load_local_ptr(R17_tos, Rindex, Rindex);
+}
+
+void TemplateTable::iaload() {
+  transition(itos, itos);
+
+  const Register Rload_addr = R3_ARG1,
+                 Rarray     = R4_ARG2,
+                 Rtemp      = R5_ARG3;
+  __ index_check(Rarray, R17_tos /* index */, LogBytesPerInt, Rtemp, Rload_addr);
+  __ lwa(R17_tos, arrayOopDesc::base_offset_in_bytes(T_INT), Rload_addr);
+}
+
+void TemplateTable::laload() {
+  transition(itos, ltos);
+
+  const Register Rload_addr = R3_ARG1,
+                 Rarray     = R4_ARG2,
+                 Rtemp      = R5_ARG3;
+  __ index_check(Rarray, R17_tos /* index */, LogBytesPerLong, Rtemp, Rload_addr);
+  __ ld(R17_tos, arrayOopDesc::base_offset_in_bytes(T_LONG), Rload_addr);
+}
+
+void TemplateTable::faload() {
+  transition(itos, ftos);
+
+  const Register Rload_addr = R3_ARG1,
+                 Rarray     = R4_ARG2,
+                 Rtemp      = R5_ARG3;
+  __ index_check(Rarray, R17_tos /* index */, LogBytesPerInt, Rtemp, Rload_addr);
+  __ lfs(F15_ftos, arrayOopDesc::base_offset_in_bytes(T_FLOAT), Rload_addr);
+}
+
+void TemplateTable::daload() {
+  transition(itos, dtos);
+
+  const Register Rload_addr = R3_ARG1,
+                 Rarray     = R4_ARG2,
+                 Rtemp      = R5_ARG3;
+  __ index_check(Rarray, R17_tos /* index */, LogBytesPerLong, Rtemp, Rload_addr);
+  __ lfd(F15_ftos, arrayOopDesc::base_offset_in_bytes(T_DOUBLE), Rload_addr);
+}
+
+void TemplateTable::aaload() {
+  transition(itos, atos);
+
+  // tos: index
+  // result tos: array
+  const Register Rload_addr = R3_ARG1,
+                 Rarray     = R4_ARG2,
+                 Rtemp      = R5_ARG3;
+  __ index_check(Rarray, R17_tos /* index */, UseCompressedOops ? 2 : LogBytesPerWord, Rtemp, Rload_addr);
+  __ load_heap_oop(R17_tos, arrayOopDesc::base_offset_in_bytes(T_OBJECT), Rload_addr);
+  __ verify_oop(R17_tos);
+  //__ dcbt(R17_tos); // prefetch
+}
+
+void TemplateTable::baload() {
+  transition(itos, itos);
+
+  const Register Rload_addr = R3_ARG1,
+                 Rarray     = R4_ARG2,
+                 Rtemp      = R5_ARG3;
+  __ index_check(Rarray, R17_tos /* index */, 0, Rtemp, Rload_addr);
+  __ lbz(R17_tos, arrayOopDesc::base_offset_in_bytes(T_BYTE), Rload_addr);
+  __ extsb(R17_tos, R17_tos);
+}
+
+void TemplateTable::caload() {
+  transition(itos, itos);
+
+  const Register Rload_addr = R3_ARG1,
+                 Rarray     = R4_ARG2,
+                 Rtemp      = R5_ARG3;
+  __ index_check(Rarray, R17_tos /* index */, LogBytesPerShort, Rtemp, Rload_addr);
+  __ lhz(R17_tos, arrayOopDesc::base_offset_in_bytes(T_CHAR), Rload_addr);
+}
+
+// Iload followed by caload frequent pair.
+void TemplateTable::fast_icaload() {
+  transition(vtos, itos);
+
+  const Register Rload_addr = R3_ARG1,
+                 Rarray     = R4_ARG2,
+                 Rtemp      = R11_scratch1;
+
+  locals_index(R17_tos);
+  __ load_local_int(R17_tos, Rtemp, R17_tos);
+  __ index_check(Rarray, R17_tos /* index */, LogBytesPerShort, Rtemp, Rload_addr);
+  __ lhz(R17_tos, arrayOopDesc::base_offset_in_bytes(T_CHAR), Rload_addr);
+}
+
+void TemplateTable::saload() {
+  transition(itos, itos);
+
+  const Register Rload_addr = R11_scratch1,
+                 Rarray     = R12_scratch2,
+                 Rtemp      = R3_ARG1;
+  __ index_check(Rarray, R17_tos /* index */, LogBytesPerShort, Rtemp, Rload_addr);
+  __ lha(R17_tos, arrayOopDesc::base_offset_in_bytes(T_SHORT), Rload_addr);
+}
+
+void TemplateTable::iload(int n) {
+  transition(vtos, itos);
+
+  __ lwz(R17_tos, Interpreter::local_offset_in_bytes(n), R18_locals);
+}
+
+void TemplateTable::lload(int n) {
+  transition(vtos, ltos);
+
+  __ ld(R17_tos, Interpreter::local_offset_in_bytes(n + 1), R18_locals);
+}
+
+void TemplateTable::fload(int n) {
+  transition(vtos, ftos);
+
+  __ lfs(F15_ftos, Interpreter::local_offset_in_bytes(n), R18_locals);
+}
+
+void TemplateTable::dload(int n) {
+  transition(vtos, dtos);
+
+  __ lfd(F15_ftos, Interpreter::local_offset_in_bytes(n + 1), R18_locals);
+}
+
+void TemplateTable::aload(int n) {
+  transition(vtos, atos);
+
+  __ ld(R17_tos, Interpreter::local_offset_in_bytes(n), R18_locals);
+}
+
+void TemplateTable::aload_0() {
+  transition(vtos, atos);
+  // According to bytecode histograms, the pairs:
+  //
+  // _aload_0, _fast_igetfield
+  // _aload_0, _fast_agetfield
+  // _aload_0, _fast_fgetfield
+  //
+  // occur frequently. If RewriteFrequentPairs is set, the (slow)
+  // _aload_0 bytecode checks if the next bytecode is either
+  // _fast_igetfield, _fast_agetfield or _fast_fgetfield and then
+  // rewrites the current bytecode into a pair bytecode; otherwise it
+  // rewrites the current bytecode into _0 that doesn't do
+  // the pair check anymore.
+  //
+  // Note: If the next bytecode is _getfield, the rewrite must be
+  //       delayed, otherwise we may miss an opportunity for a pair.
+  //
+  // Also rewrite frequent pairs
+  //   aload_0, aload_1
+  //   aload_0, iload_1
+  // These bytecodes with a small amount of code are most profitable
+  // to rewrite.
+
+  if (RewriteFrequentPairs) {
+
+    Label Lrewrite, Ldont_rewrite;
+    Register Rnext_byte  = R3_ARG1,
+             Rrewrite_to = R6_ARG4,
+             Rscratch    = R11_scratch1;
+
+    // Get next byte.
+    __ lbz(Rnext_byte, Bytecodes::length_for(Bytecodes::_aload_0), R14_bcp);
+
+    // If _getfield, wait to rewrite. We only want to rewrite the last two bytecodes in a pair.
+    __ cmpwi(CCR0, Rnext_byte, (unsigned int)(unsigned char)Bytecodes::_getfield);
+    __ beq(CCR0, Ldont_rewrite);
+
+    __ cmpwi(CCR1, Rnext_byte, (unsigned int)(unsigned char)Bytecodes::_fast_igetfield);
+    __ li(Rrewrite_to, (unsigned int)(unsigned char)Bytecodes::_fast_iaccess_0);
+    __ beq(CCR1, Lrewrite);
+
+    __ cmpwi(CCR0, Rnext_byte, (unsigned int)(unsigned char)Bytecodes::_fast_agetfield);
+    __ li(Rrewrite_to, (unsigned int)(unsigned char)Bytecodes::_fast_aaccess_0);
+    __ beq(CCR0, Lrewrite);
+
+    __ cmpwi(CCR1, Rnext_byte, (unsigned int)(unsigned char)Bytecodes::_fast_fgetfield);
+    __ li(Rrewrite_to, (unsigned int)(unsigned char)Bytecodes::_fast_faccess_0);
+    __ beq(CCR1, Lrewrite);
+
+    __ li(Rrewrite_to, (unsigned int)(unsigned char)Bytecodes::_fast_aload_0);
+
+    __ bind(Lrewrite);
+    patch_bytecode(Bytecodes::_aload_0, Rrewrite_to, Rscratch, false);
+    __ bind(Ldont_rewrite);
+  }
+
+  // Do actual aload_0 (must do this after patch_bytecode which might call VM and GC might change oop).
+  aload(0);
+}
+
+void TemplateTable::istore() {
+  transition(itos, vtos);
+
+  const Register Rindex = R11_scratch1;
+  locals_index(Rindex);
+  __ store_local_int(R17_tos, Rindex);
+}
+
+void TemplateTable::lstore() {
+  transition(ltos, vtos);
+  const Register Rindex = R11_scratch1;
+  locals_index(Rindex);
+  __ store_local_long(R17_tos, Rindex);
+}
+
+void TemplateTable::fstore() {
+  transition(ftos, vtos);
+
+  const Register Rindex = R11_scratch1;
+  locals_index(Rindex);
+  __ store_local_float(F15_ftos, Rindex);
+}
+
+void TemplateTable::dstore() {
+  transition(dtos, vtos);
+
+  const Register Rindex = R11_scratch1;
+  locals_index(Rindex);
+  __ store_local_double(F15_ftos, Rindex);
+}
+
+void TemplateTable::astore() {
+  transition(vtos, vtos);
+
+  const Register Rindex = R11_scratch1;
+  __ pop_ptr();
+  __ verify_oop_or_return_address(R17_tos, Rindex);
+  locals_index(Rindex);
+  __ store_local_ptr(R17_tos, Rindex);
+}
+
+void TemplateTable::wide_istore() {
+  transition(vtos, vtos);
+
+  const Register Rindex = R11_scratch1;
+  __ pop_i();
+  locals_index_wide(Rindex);
+  __ store_local_int(R17_tos, Rindex);
+}
+
+void TemplateTable::wide_lstore() {
+  transition(vtos, vtos);
+
+  const Register Rindex = R11_scratch1;
+  __ pop_l();
+  locals_index_wide(Rindex);
+  __ store_local_long(R17_tos, Rindex);
+}
+
+void TemplateTable::wide_fstore() {
+  transition(vtos, vtos);
+
+  const Register Rindex = R11_scratch1;
+  __ pop_f();
+  locals_index_wide(Rindex);
+  __ store_local_float(F15_ftos, Rindex);
+}
+
+void TemplateTable::wide_dstore() {
+  transition(vtos, vtos);
+
+  const Register Rindex = R11_scratch1;
+  __ pop_d();
+  locals_index_wide(Rindex);
+  __ store_local_double(F15_ftos, Rindex);
+}
+
+void TemplateTable::wide_astore() {
+  transition(vtos, vtos);
+
+  const Register Rindex = R11_scratch1;
+  __ pop_ptr();
+  __ verify_oop_or_return_address(R17_tos, Rindex);
+  locals_index_wide(Rindex);
+  __ store_local_ptr(R17_tos, Rindex);
+}
+
+void TemplateTable::iastore() {
+  transition(itos, vtos);
+
+  const Register Rindex      = R3_ARG1,
+                 Rstore_addr = R4_ARG2,
+                 Rarray      = R5_ARG3,
+                 Rtemp       = R6_ARG4;
+  __ pop_i(Rindex);
+  __ index_check(Rarray, Rindex, LogBytesPerInt, Rtemp, Rstore_addr);
+  __ stw(R17_tos, arrayOopDesc::base_offset_in_bytes(T_INT), Rstore_addr);
+  }
+
+void TemplateTable::lastore() {
+  transition(ltos, vtos);
+
+  const Register Rindex      = R3_ARG1,
+                 Rstore_addr = R4_ARG2,
+                 Rarray      = R5_ARG3,
+                 Rtemp       = R6_ARG4;
+  __ pop_i(Rindex);
+  __ index_check(Rarray, Rindex, LogBytesPerLong, Rtemp, Rstore_addr);
+  __ std(R17_tos, arrayOopDesc::base_offset_in_bytes(T_LONG), Rstore_addr);
+  }
+
+void TemplateTable::fastore() {
+  transition(ftos, vtos);
+
+  const Register Rindex      = R3_ARG1,
+                 Rstore_addr = R4_ARG2,
+                 Rarray      = R5_ARG3,
+                 Rtemp       = R6_ARG4;
+  __ pop_i(Rindex);
+  __ index_check(Rarray, Rindex, LogBytesPerInt, Rtemp, Rstore_addr);
+  __ stfs(F15_ftos, arrayOopDesc::base_offset_in_bytes(T_FLOAT), Rstore_addr);
+  }
+
+void TemplateTable::dastore() {
+  transition(dtos, vtos);
+
+  const Register Rindex      = R3_ARG1,
+                 Rstore_addr = R4_ARG2,
+                 Rarray      = R5_ARG3,
+                 Rtemp       = R6_ARG4;
+  __ pop_i(Rindex);
+  __ index_check(Rarray, Rindex, LogBytesPerLong, Rtemp, Rstore_addr);
+  __ stfd(F15_ftos, arrayOopDesc::base_offset_in_bytes(T_DOUBLE), Rstore_addr);
+  }
+
+// Pop 3 values from the stack and...
+void TemplateTable::aastore() {
+  transition(vtos, vtos);
+
+  Label Lstore_ok, Lis_null, Ldone;
+  const Register Rindex    = R3_ARG1,
+                 Rarray    = R4_ARG2,
+                 Rscratch  = R11_scratch1,
+                 Rscratch2 = R12_scratch2,
+                 Rarray_klass = R5_ARG3,
+                 Rarray_element_klass = Rarray_klass,
+                 Rvalue_klass = R6_ARG4,
+                 Rstore_addr = R31;    // Use register which survives VM call.
+
+  __ ld(R17_tos, Interpreter::expr_offset_in_bytes(0), R15_esp); // Get value to store.
+  __ lwz(Rindex, Interpreter::expr_offset_in_bytes(1), R15_esp); // Get index.
+  __ ld(Rarray, Interpreter::expr_offset_in_bytes(2), R15_esp);  // Get array.
+
+  __ verify_oop(R17_tos);
+  __ index_check_without_pop(Rarray, Rindex, UseCompressedOops ? 2 : LogBytesPerWord, Rscratch, Rstore_addr);
+  // Rindex is dead!
+  Register Rscratch3 = Rindex;
+
+  // Do array store check - check for NULL value first.
+  __ cmpdi(CCR0, R17_tos, 0);
+  __ beq(CCR0, Lis_null);
+
+  __ load_klass(Rarray_klass, Rarray);
+  __ load_klass(Rvalue_klass, R17_tos);
+
+  // Do fast instanceof cache test.
+  __ ld(Rarray_element_klass, in_bytes(ObjArrayKlass::element_klass_offset()), Rarray_klass);
+
+  // Generate a fast subtype check. Branch to store_ok if no failure. Throw if failure.
+  __ gen_subtype_check(Rvalue_klass /*subklass*/, Rarray_element_klass /*superklass*/, Rscratch, Rscratch2, Rscratch3, Lstore_ok);
+
+  // Fell through: subtype check failed => throw an exception.
+  __ load_dispatch_table(R11_scratch1, (address*)Interpreter::_throw_ArrayStoreException_entry);
+  __ mtctr(R11_scratch1);
+  __ bctr();
+
+  __ bind(Lis_null);
+  do_oop_store(_masm, Rstore_addr, arrayOopDesc::base_offset_in_bytes(T_OBJECT), noreg /* 0 */,
+               Rscratch, Rscratch2, Rscratch3, _bs->kind(), true /* precise */, false /* check_null */);
+  __ profile_null_seen(Rscratch, Rscratch2);
+  __ b(Ldone);
+
+  // Store is OK.
+  __ bind(Lstore_ok);
+  do_oop_store(_masm, Rstore_addr, arrayOopDesc::base_offset_in_bytes(T_OBJECT), R17_tos /* value */,
+               Rscratch, Rscratch2, Rscratch3, _bs->kind(), true /* precise */, false /* check_null */);
+
+  __ bind(Ldone);
+  // Adjust sp (pops array, index and value).
+  __ addi(R15_esp, R15_esp, 3 * Interpreter::stackElementSize);
+}
+
+void TemplateTable::bastore() {
+  transition(itos, vtos);
+
+  const Register Rindex   = R11_scratch1,
+                 Rarray   = R12_scratch2,
+                 Rscratch = R3_ARG1;
+  __ pop_i(Rindex);
+  // tos: val
+  // Rarray: array ptr (popped by index_check)
+  __ index_check(Rarray, Rindex, 0, Rscratch, Rarray);
+  __ stb(R17_tos, arrayOopDesc::base_offset_in_bytes(T_BYTE), Rarray);
+}
+
+void TemplateTable::castore() {
+  transition(itos, vtos);
+
+  const Register Rindex   = R11_scratch1,
+                 Rarray   = R12_scratch2,
+                 Rscratch = R3_ARG1;
+  __ pop_i(Rindex);
+  // tos: val
+  // Rarray: array ptr (popped by index_check)
+  __ index_check(Rarray, Rindex, LogBytesPerShort, Rscratch, Rarray);
+  __ sth(R17_tos, arrayOopDesc::base_offset_in_bytes(T_CHAR), Rarray);
+}
+
+void TemplateTable::sastore() {
+  castore();
+}
+
+void TemplateTable::istore(int n) {
+  transition(itos, vtos);
+  __ stw(R17_tos, Interpreter::local_offset_in_bytes(n), R18_locals);
+}
+
+void TemplateTable::lstore(int n) {
+  transition(ltos, vtos);
+  __ std(R17_tos, Interpreter::local_offset_in_bytes(n + 1), R18_locals);
+}
+
+void TemplateTable::fstore(int n) {
+  transition(ftos, vtos);
+  __ stfs(F15_ftos, Interpreter::local_offset_in_bytes(n), R18_locals);
+}
+
+void TemplateTable::dstore(int n) {
+  transition(dtos, vtos);
+  __ stfd(F15_ftos, Interpreter::local_offset_in_bytes(n + 1), R18_locals);
+}
+
+void TemplateTable::astore(int n) {
+  transition(vtos, vtos);
+
+  __ pop_ptr();
+  __ verify_oop_or_return_address(R17_tos, R11_scratch1);
+  __ std(R17_tos, Interpreter::local_offset_in_bytes(n), R18_locals);
+}
+
+void TemplateTable::pop() {
+  transition(vtos, vtos);
+
+  __ addi(R15_esp, R15_esp, Interpreter::stackElementSize);
+}
+
+void TemplateTable::pop2() {
+  transition(vtos, vtos);
+
+  __ addi(R15_esp, R15_esp, Interpreter::stackElementSize * 2);
+}
+
+void TemplateTable::dup() {
+  transition(vtos, vtos);
+
+  __ ld(R11_scratch1, Interpreter::stackElementSize, R15_esp);
+  __ push_ptr(R11_scratch1);
+}
+
+void TemplateTable::dup_x1() {
+  transition(vtos, vtos);
+
+  Register Ra = R11_scratch1,
+           Rb = R12_scratch2;
+  // stack: ..., a, b
+  __ ld(Rb, Interpreter::stackElementSize,     R15_esp);
+  __ ld(Ra, Interpreter::stackElementSize * 2, R15_esp);
+  __ std(Rb, Interpreter::stackElementSize * 2, R15_esp);
+  __ std(Ra, Interpreter::stackElementSize,     R15_esp);
+  __ push_ptr(Rb);
+  // stack: ..., b, a, b
+}
+
+void TemplateTable::dup_x2() {
+  transition(vtos, vtos);
+
+  Register Ra = R11_scratch1,
+           Rb = R12_scratch2,
+           Rc = R3_ARG1;
+
+  // stack: ..., a, b, c
+  __ ld(Rc, Interpreter::stackElementSize,     R15_esp);  // load c
+  __ ld(Ra, Interpreter::stackElementSize * 3, R15_esp);  // load a
+  __ std(Rc, Interpreter::stackElementSize * 3, R15_esp); // store c in a
+  __ ld(Rb, Interpreter::stackElementSize * 2, R15_esp);  // load b
+  // stack: ..., c, b, c
+  __ std(Ra, Interpreter::stackElementSize * 2, R15_esp); // store a in b
+  // stack: ..., c, a, c
+  __ std(Rb, Interpreter::stackElementSize,     R15_esp); // store b in c
+  __ push_ptr(Rc);                                        // push c
+  // stack: ..., c, a, b, c
+}
+
+void TemplateTable::dup2() {
+  transition(vtos, vtos);
+
+  Register Ra = R11_scratch1,
+           Rb = R12_scratch2;
+  // stack: ..., a, b
+  __ ld(Rb, Interpreter::stackElementSize,     R15_esp);
+  __ ld(Ra, Interpreter::stackElementSize * 2, R15_esp);
+  __ push_2ptrs(Ra, Rb);
+  // stack: ..., a, b, a, b
+}
+
+void TemplateTable::dup2_x1() {
+  transition(vtos, vtos);
+
+  Register Ra = R11_scratch1,
+           Rb = R12_scratch2,
+           Rc = R3_ARG1;
+  // stack: ..., a, b, c
+  __ ld(Rc, Interpreter::stackElementSize,     R15_esp);
+  __ ld(Rb, Interpreter::stackElementSize * 2, R15_esp);
+  __ std(Rc, Interpreter::stackElementSize * 2, R15_esp);
+  __ ld(Ra, Interpreter::stackElementSize * 3, R15_esp);
+  __ std(Ra, Interpreter::stackElementSize,     R15_esp);
+  __ std(Rb, Interpreter::stackElementSize * 3, R15_esp);
+  // stack: ..., b, c, a
+  __ push_2ptrs(Rb, Rc);
+  // stack: ..., b, c, a, b, c
+}
+
+void TemplateTable::dup2_x2() {
+  transition(vtos, vtos);
+
+  Register Ra = R11_scratch1,
+           Rb = R12_scratch2,
+           Rc = R3_ARG1,
+           Rd = R4_ARG2;
+  // stack: ..., a, b, c, d
+  __ ld(Rb, Interpreter::stackElementSize * 3, R15_esp);
+  __ ld(Rd, Interpreter::stackElementSize,     R15_esp);
+  __ std(Rb, Interpreter::stackElementSize,     R15_esp);  // store b in d
+  __ std(Rd, Interpreter::stackElementSize * 3, R15_esp);  // store d in b
+  __ ld(Ra, Interpreter::stackElementSize * 4, R15_esp);
+  __ ld(Rc, Interpreter::stackElementSize * 2, R15_esp);
+  __ std(Ra, Interpreter::stackElementSize * 2, R15_esp);  // store a in c
+  __ std(Rc, Interpreter::stackElementSize * 4, R15_esp);  // store c in a
+  // stack: ..., c, d, a, b
+  __ push_2ptrs(Rc, Rd);
+  // stack: ..., c, d, a, b, c, d
+}
+
+void TemplateTable::swap() {
+  transition(vtos, vtos);
+  // stack: ..., a, b
+
+  Register Ra = R11_scratch1,
+           Rb = R12_scratch2;
+  // stack: ..., a, b
+  __ ld(Rb, Interpreter::stackElementSize,     R15_esp);
+  __ ld(Ra, Interpreter::stackElementSize * 2, R15_esp);
+  __ std(Rb, Interpreter::stackElementSize * 2, R15_esp);
+  __ std(Ra, Interpreter::stackElementSize,     R15_esp);
+  // stack: ..., b, a
+}
+
+void TemplateTable::iop2(Operation op) {
+  transition(itos, itos);
+
+  Register Rscratch = R11_scratch1;
+
+  __ pop_i(Rscratch);
+  // tos  = number of bits to shift
+  // Rscratch = value to shift
+  switch (op) {
+    case  add:   __ add(R17_tos, Rscratch, R17_tos); break;
+    case  sub:   __ sub(R17_tos, Rscratch, R17_tos); break;
+    case  mul:   __ mullw(R17_tos, Rscratch, R17_tos); break;
+    case  _and:  __ andr(R17_tos, Rscratch, R17_tos); break;
+    case  _or:   __ orr(R17_tos, Rscratch, R17_tos); break;
+    case  _xor:  __ xorr(R17_tos, Rscratch, R17_tos); break;
+    case  shl:   __ rldicl(R17_tos, R17_tos, 0, 64-5); __ slw(R17_tos, Rscratch, R17_tos); break;
+    case  shr:   __ rldicl(R17_tos, R17_tos, 0, 64-5); __ sraw(R17_tos, Rscratch, R17_tos); break;
+    case  ushr:  __ rldicl(R17_tos, R17_tos, 0, 64-5); __ srw(R17_tos, Rscratch, R17_tos); break;
+    default:     ShouldNotReachHere();
+  }
+}
+
+void TemplateTable::lop2(Operation op) {
+  transition(ltos, ltos);
+
+  Register Rscratch = R11_scratch1;
+  __ pop_l(Rscratch);
+  switch (op) {
+    case  add:   __ add(R17_tos, Rscratch, R17_tos); break;
+    case  sub:   __ sub(R17_tos, Rscratch, R17_tos); break;
+    case  _and:  __ andr(R17_tos, Rscratch, R17_tos); break;
+    case  _or:   __ orr(R17_tos, Rscratch, R17_tos); break;
+    case  _xor:  __ xorr(R17_tos, Rscratch, R17_tos); break;
+    default:     ShouldNotReachHere();
+  }
+}
+
+void TemplateTable::idiv() {
+  transition(itos, itos);
+
+  Label Lnormal, Lexception, Ldone;
+  Register Rdividend = R11_scratch1; // Used by irem.
+
+  __ addi(R0, R17_tos, 1);
+  __ cmplwi(CCR0, R0, 2);
+  __ bgt(CCR0, Lnormal); // divisor <-1 or >1
+
+  __ cmpwi(CCR1, R17_tos, 0);
+  __ beq(CCR1, Lexception); // divisor == 0
+
+  __ pop_i(Rdividend);
+  __ mullw(R17_tos, Rdividend, R17_tos); // div by +/-1
+  __ b(Ldone);
+
+  __ bind(Lexception);
+  __ load_dispatch_table(R11_scratch1, (address*)Interpreter::_throw_ArithmeticException_entry);
+  __ mtctr(R11_scratch1);
+  __ bctr();
+
+  __ align(32, 12);
+  __ bind(Lnormal);
+  __ pop_i(Rdividend);
+  __ divw(R17_tos, Rdividend, R17_tos); // Can't divide minint/-1.
+  __ bind(Ldone);
+}
+
+void TemplateTable::irem() {
+  transition(itos, itos);
+
+  __ mr(R12_scratch2, R17_tos);
+  idiv();
+  __ mullw(R17_tos, R17_tos, R12_scratch2);
+  __ subf(R17_tos, R17_tos, R11_scratch1); // Dividend set by idiv.
+}
+
+void TemplateTable::lmul() {
+  transition(ltos, ltos);
+
+  __ pop_l(R11_scratch1);
+  __ mulld(R17_tos, R11_scratch1, R17_tos);
+}
+
+void TemplateTable::ldiv() {
+  transition(ltos, ltos);
+
+  Label Lnormal, Lexception, Ldone;
+  Register Rdividend = R11_scratch1; // Used by lrem.
+
+  __ addi(R0, R17_tos, 1);
+  __ cmpldi(CCR0, R0, 2);
+  __ bgt(CCR0, Lnormal); // divisor <-1 or >1
+
+  __ cmpdi(CCR1, R17_tos, 0);
+  __ beq(CCR1, Lexception); // divisor == 0
+
+  __ pop_l(Rdividend);
+  __ mulld(R17_tos, Rdividend, R17_tos); // div by +/-1
+  __ b(Ldone);
+
+  __ bind(Lexception);
+  __ load_dispatch_table(R11_scratch1, (address*)Interpreter::_throw_ArithmeticException_entry);
+  __ mtctr(R11_scratch1);
+  __ bctr();
+
+  __ align(32, 12);
+  __ bind(Lnormal);
+  __ pop_l(Rdividend);
+  __ divd(R17_tos, Rdividend, R17_tos); // Can't divide minint/-1.
+  __ bind(Ldone);
+}
+
+void TemplateTable::lrem() {
+  transition(ltos, ltos);
+
+  __ mr(R12_scratch2, R17_tos);
+  ldiv();
+  __ mulld(R17_tos, R17_tos, R12_scratch2);
+  __ subf(R17_tos, R17_tos, R11_scratch1); // Dividend set by ldiv.
+}
+
+void TemplateTable::lshl() {
+  transition(itos, ltos);
+
+  __ rldicl(R17_tos, R17_tos, 0, 64-6); // Extract least significant bits.
+  __ pop_l(R11_scratch1);
+  __ sld(R17_tos, R11_scratch1, R17_tos);
+}
+
+void TemplateTable::lshr() {
+  transition(itos, ltos);
+
+  __ rldicl(R17_tos, R17_tos, 0, 64-6); // Extract least significant bits.
+  __ pop_l(R11_scratch1);
+  __ srad(R17_tos, R11_scratch1, R17_tos);
+}
+
+void TemplateTable::lushr() {
+  transition(itos, ltos);
+
+  __ rldicl(R17_tos, R17_tos, 0, 64-6); // Extract least significant bits.
+  __ pop_l(R11_scratch1);
+  __ srd(R17_tos, R11_scratch1, R17_tos);
+}
+
+void TemplateTable::fop2(Operation op) {
+  transition(ftos, ftos);
+
+  switch (op) {
+    case add: __ pop_f(F0_SCRATCH); __ fadds(F15_ftos, F0_SCRATCH, F15_ftos); break;
+    case sub: __ pop_f(F0_SCRATCH); __ fsubs(F15_ftos, F0_SCRATCH, F15_ftos); break;
+    case mul: __ pop_f(F0_SCRATCH); __ fmuls(F15_ftos, F0_SCRATCH, F15_ftos); break;
+    case div: __ pop_f(F0_SCRATCH); __ fdivs(F15_ftos, F0_SCRATCH, F15_ftos); break;
+    case rem:
+      __ pop_f(F1_ARG1);
+      __ fmr(F2_ARG2, F15_ftos);
+      __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::frem));
+      __ fmr(F15_ftos, F1_RET);
+      break;
+
+    default: ShouldNotReachHere();
+  }
+}
+
+void TemplateTable::dop2(Operation op) {
+  transition(dtos, dtos);
+
+  switch (op) {
+    case add: __ pop_d(F0_SCRATCH); __ fadd(F15_ftos, F0_SCRATCH, F15_ftos); break;
+    case sub: __ pop_d(F0_SCRATCH); __ fsub(F15_ftos, F0_SCRATCH, F15_ftos); break;
+    case mul: __ pop_d(F0_SCRATCH); __ fmul(F15_ftos, F0_SCRATCH, F15_ftos); break;
+    case div: __ pop_d(F0_SCRATCH); __ fdiv(F15_ftos, F0_SCRATCH, F15_ftos); break;
+    case rem:
+      __ pop_d(F1_ARG1);
+      __ fmr(F2_ARG2, F15_ftos);
+      __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::drem));
+      __ fmr(F15_ftos, F1_RET);
+      break;
+
+    default: ShouldNotReachHere();
+  }
+}
+
+// Negate the value in the TOS cache.
+void TemplateTable::ineg() {
+  transition(itos, itos);
+
+  __ neg(R17_tos, R17_tos);
+}
+
+// Negate the value in the TOS cache.
+void TemplateTable::lneg() {
+  transition(ltos, ltos);
+
+  __ neg(R17_tos, R17_tos);
+}
+
+void TemplateTable::fneg() {
+  transition(ftos, ftos);
+
+  __ fneg(F15_ftos, F15_ftos);
+}
+
+void TemplateTable::dneg() {
+  transition(dtos, dtos);
+
+  __ fneg(F15_ftos, F15_ftos);
+}
+
+// Increments a local variable in place.
+void TemplateTable::iinc() {
+  transition(vtos, vtos);
+
+  const Register Rindex     = R11_scratch1,
+                 Rincrement = R0,
+                 Rvalue     = R12_scratch2;
+
+  locals_index(Rindex);              // Load locals index from bytecode stream.
+  __ lbz(Rincrement, 2, R14_bcp);    // Load increment from the bytecode stream.
+  __ extsb(Rincrement, Rincrement);
+
+  __ load_local_int(Rvalue, Rindex, Rindex); // Puts address of local into Rindex.
+
+  __ add(Rvalue, Rincrement, Rvalue);
+  __ stw(Rvalue, 0, Rindex);
+}
+
+void TemplateTable::wide_iinc() {
+  transition(vtos, vtos);
+
+  Register Rindex       = R11_scratch1,
+           Rlocals_addr = Rindex,
+           Rincr        = R12_scratch2;
+  locals_index_wide(Rindex);
+  __ get_2_byte_integer_at_bcp(4, Rincr, InterpreterMacroAssembler::Signed);
+  __ load_local_int(R17_tos, Rlocals_addr, Rindex);
+  __ add(R17_tos, Rincr, R17_tos);
+  __ stw(R17_tos, 0, Rlocals_addr);
+}
+
+void TemplateTable::convert() {
+  // %%%%% Factor this first part accross platforms
+#ifdef ASSERT
+  TosState tos_in  = ilgl;
+  TosState tos_out = ilgl;
+  switch (bytecode()) {
+    case Bytecodes::_i2l: // fall through
+    case Bytecodes::_i2f: // fall through
+    case Bytecodes::_i2d: // fall through
+    case Bytecodes::_i2b: // fall through
+    case Bytecodes::_i2c: // fall through
+    case Bytecodes::_i2s: tos_in = itos; break;
+    case Bytecodes::_l2i: // fall through
+    case Bytecodes::_l2f: // fall through
+    case Bytecodes::_l2d: tos_in = ltos; break;
+    case Bytecodes::_f2i: // fall through
+    case Bytecodes::_f2l: // fall through
+    case Bytecodes::_f2d: tos_in = ftos; break;
+    case Bytecodes::_d2i: // fall through
+    case Bytecodes::_d2l: // fall through
+    case Bytecodes::_d2f: tos_in = dtos; break;
+    default             : ShouldNotReachHere();
+  }
+  switch (bytecode()) {
+    case Bytecodes::_l2i: // fall through
+    case Bytecodes::_f2i: // fall through
+    case Bytecodes::_d2i: // fall through
+    case Bytecodes::_i2b: // fall through
+    case Bytecodes::_i2c: // fall through
+    case Bytecodes::_i2s: tos_out = itos; break;
+    case Bytecodes::_i2l: // fall through
+    case Bytecodes::_f2l: // fall through
+    case Bytecodes::_d2l: tos_out = ltos; break;
+    case Bytecodes::_i2f: // fall through
+    case Bytecodes::_l2f: // fall through
+    case Bytecodes::_d2f: tos_out = ftos; break;
+    case Bytecodes::_i2d: // fall through
+    case Bytecodes::_l2d: // fall through
+    case Bytecodes::_f2d: tos_out = dtos; break;
+    default             : ShouldNotReachHere();
+  }
+  transition(tos_in, tos_out);
+#endif
+
+  // Conversion
+  Label done;
+  switch (bytecode()) {
+    case Bytecodes::_i2l:
+      __ extsw(R17_tos, R17_tos);
+      break;
+
+    case Bytecodes::_l2i:
+      // Nothing to do, we'll continue to work with the lower bits.
+      break;
+
+    case Bytecodes::_i2b:
+      __ extsb(R17_tos, R17_tos);
+      break;
+
+    case Bytecodes::_i2c:
+      __ rldicl(R17_tos, R17_tos, 0, 64-2*8);
+      break;
+
+    case Bytecodes::_i2s:
+      __ extsh(R17_tos, R17_tos);
+      break;
+
+    case Bytecodes::_i2d:
+      __ extsw(R17_tos, R17_tos);
+    case Bytecodes::_l2d:
+      __ push_l_pop_d();
+      __ fcfid(F15_ftos, F15_ftos);
+      break;
+
+    case Bytecodes::_i2f:
+      __ extsw(R17_tos, R17_tos);
+      __ push_l_pop_d();
+      if (VM_Version::has_fcfids()) { // fcfids is >= Power7 only
+        // Comment: alternatively, load with sign extend could be done by lfiwax.
+        __ fcfids(F15_ftos, F15_ftos);
+      } else {
+        __ fcfid(F15_ftos, F15_ftos);
+        __ frsp(F15_ftos, F15_ftos);
+      }
+      break;
+
+    case Bytecodes::_l2f:
+      if (VM_Version::has_fcfids()) { // fcfids is >= Power7 only
+        __ push_l_pop_d();
+        __ fcfids(F15_ftos, F15_ftos);
+      } else {
+        // Avoid rounding problem when result should be 0x3f800001: need fixup code before fcfid+frsp.
+        __ mr(R3_ARG1, R17_tos);
+        __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::l2f));
+        __ fmr(F15_ftos, F1_RET);
+      }
+      break;
+
+    case Bytecodes::_f2d:
+      // empty
+      break;
+
+    case Bytecodes::_d2f:
+      __ frsp(F15_ftos, F15_ftos);
+      break;
+
+    case Bytecodes::_d2i:
+    case Bytecodes::_f2i:
+      __ fcmpu(CCR0, F15_ftos, F15_ftos);
+      __ li(R17_tos, 0); // 0 in case of NAN
+      __ bso(CCR0, done);
+      __ fctiwz(F15_ftos, F15_ftos);
+      __ push_d_pop_l();
+      break;
+
+    case Bytecodes::_d2l:
+    case Bytecodes::_f2l:
+      __ fcmpu(CCR0, F15_ftos, F15_ftos);
+      __ li(R17_tos, 0); // 0 in case of NAN
+      __ bso(CCR0, done);
+      __ fctidz(F15_ftos, F15_ftos);
+      __ push_d_pop_l();
+      break;
+
+    default: ShouldNotReachHere();
+  }
+  __ bind(done);
+}
+
+// Long compare
+void TemplateTable::lcmp() {
+  transition(ltos, itos);
+
+  const Register Rscratch = R11_scratch1;
+  __ pop_l(Rscratch); // first operand, deeper in stack
+
+  __ cmpd(CCR0, Rscratch, R17_tos); // compare
+  __ mfcr(R17_tos); // set bit 32..33 as follows: <: 0b10, =: 0b00, >: 0b01
+  __ srwi(Rscratch, R17_tos, 30);
+  __ srawi(R17_tos, R17_tos, 31);
+  __ orr(R17_tos, Rscratch, R17_tos); // set result as follows: <: -1, =: 0, >: 1
+}
+
+// fcmpl/fcmpg and dcmpl/dcmpg bytecodes
+// unordered_result == -1 => fcmpl or dcmpl
+// unordered_result ==  1 => fcmpg or dcmpg
+void TemplateTable::float_cmp(bool is_float, int unordered_result) {
+  const FloatRegister Rfirst  = F0_SCRATCH,
+                      Rsecond = F15_ftos;
+  const Register Rscratch = R11_scratch1;
+
+  if (is_float) {
+    __ pop_f(Rfirst);
+  } else {
+    __ pop_d(Rfirst);
+  }
+
+  Label Lunordered, Ldone;
+  __ fcmpu(CCR0, Rfirst, Rsecond); // compare
+  if (unordered_result) {
+    __ bso(CCR0, Lunordered);
+  }
+  __ mfcr(R17_tos); // set bit 32..33 as follows: <: 0b10, =: 0b00, >: 0b01
+  __ srwi(Rscratch, R17_tos, 30);
+  __ srawi(R17_tos, R17_tos, 31);
+  __ orr(R17_tos, Rscratch, R17_tos); // set result as follows: <: -1, =: 0, >: 1
+  if (unordered_result) {
+    __ b(Ldone);
+    __ bind(Lunordered);
+    __ load_const_optimized(R17_tos, unordered_result);
+  }
+  __ bind(Ldone);
+}
+
+// Branch_conditional which takes TemplateTable::Condition.
+void TemplateTable::branch_conditional(ConditionRegister crx, TemplateTable::Condition cc, Label& L, bool invert) {
+  bool positive = false;
+  Assembler::Condition cond = Assembler::equal;
+  switch (cc) {
+    case TemplateTable::equal:         positive = true ; cond = Assembler::equal  ; break;
+    case TemplateTable::not_equal:     positive = false; cond = Assembler::equal  ; break;
+    case TemplateTable::less:          positive = true ; cond = Assembler::less   ; break;
+    case TemplateTable::less_equal:    positive = false; cond = Assembler::greater; break;
+    case TemplateTable::greater:       positive = true ; cond = Assembler::greater; break;
+    case TemplateTable::greater_equal: positive = false; cond = Assembler::less   ; break;
+    default: ShouldNotReachHere();
+  }
+  int bo = (positive != invert) ? Assembler::bcondCRbiIs1 : Assembler::bcondCRbiIs0;
+  int bi = Assembler::bi0(crx, cond);
+  __ bc(bo, bi, L);
+}
+
+void TemplateTable::branch(bool is_jsr, bool is_wide) {
+
+  // Note: on SPARC, we use InterpreterMacroAssembler::if_cmp also.
+  __ verify_thread();
+
+  const Register Rscratch1    = R11_scratch1,
+                 Rscratch2    = R12_scratch2,
+                 Rscratch3    = R3_ARG1,
+                 R4_counters  = R4_ARG2,
+                 bumped_count = R31,
+                 Rdisp        = R22_tmp2;
+
+  __ profile_taken_branch(Rscratch1, bumped_count);
+
+  // Get (wide) offset.
+  if (is_wide) {
+    __ get_4_byte_integer_at_bcp(1, Rdisp, InterpreterMacroAssembler::Signed);
+  } else {
+    __ get_2_byte_integer_at_bcp(1, Rdisp, InterpreterMacroAssembler::Signed);
+  }
+
+  // --------------------------------------------------------------------------
+  // Handle all the JSR stuff here, then exit.
+  // It's much shorter and cleaner than intermingling with the
+  // non-JSR normal-branch stuff occurring below.
+  if (is_jsr) {
+    // Compute return address as bci in Otos_i.
+    __ ld(Rscratch1, in_bytes(Method::const_offset()), R19_method);
+    __ addi(Rscratch2, R14_bcp, -in_bytes(ConstMethod::codes_offset()) + (is_wide ? 5 : 3));
+    __ subf(R17_tos, Rscratch1, Rscratch2);
+
+    // Bump bcp to target of JSR.
+    __ add(R14_bcp, Rdisp, R14_bcp);
+    // Push returnAddress for "ret" on stack.
+    __ push_ptr(R17_tos);
+    // And away we go!
+    __ dispatch_next(vtos);
+    return;
+  }
+
+  // --------------------------------------------------------------------------
+  // Normal (non-jsr) branch handling
+
+  const bool increment_invocation_counter_for_backward_branches = UseCompiler && UseLoopCounter;
+  if (increment_invocation_counter_for_backward_branches) {
+    //__ unimplemented("branch invocation counter");
+
+    Label Lforward;
+    __ add(R14_bcp, Rdisp, R14_bcp); // Add to bc addr.
+
+    // Check branch direction.
+    __ cmpdi(CCR0, Rdisp, 0);
+    __ bgt(CCR0, Lforward);
+
+    __ get_method_counters(R19_method, R4_counters, Lforward);
+
+    if (TieredCompilation) {
+      Label Lno_mdo, Loverflow;
+      const int increment = InvocationCounter::count_increment;
+      const int mask = ((1 << Tier0BackedgeNotifyFreqLog) - 1) << InvocationCounter::count_shift;
+      if (ProfileInterpreter) {
+        Register Rmdo = Rscratch1;
+
+        // If no method data exists, go to profile_continue.
+        __ ld(Rmdo, in_bytes(Method::method_data_offset()), R19_method);
+        __ cmpdi(CCR0, Rmdo, 0);
+        __ beq(CCR0, Lno_mdo);
+
+        // Increment backedge counter in the MDO.
+        const int mdo_bc_offs = in_bytes(MethodData::backedge_counter_offset()) + in_bytes(InvocationCounter::counter_offset());
+        __ lwz(Rscratch2, mdo_bc_offs, Rmdo);
+        __ load_const_optimized(Rscratch3, mask, R0);
+        __ addi(Rscratch2, Rscratch2, increment);
+        __ stw(Rscratch2, mdo_bc_offs, Rmdo);
+        __ and_(Rscratch3, Rscratch2, Rscratch3);
+        __ bne(CCR0, Lforward);
+        __ b(Loverflow);
+      }
+
+      // If there's no MDO, increment counter in method.
+      const int mo_bc_offs = in_bytes(MethodCounters::backedge_counter_offset()) + in_bytes(InvocationCounter::counter_offset());
+      __ bind(Lno_mdo);
+      __ lwz(Rscratch2, mo_bc_offs, R4_counters);
+      __ load_const_optimized(Rscratch3, mask, R0);
+      __ addi(Rscratch2, Rscratch2, increment);
+      __ stw(Rscratch2, mo_bc_offs, R19_method);
+      __ and_(Rscratch3, Rscratch2, Rscratch3);
+      __ bne(CCR0, Lforward);
+
+      __ bind(Loverflow);
+
+      // Notify point for loop, pass branch bytecode.
+      __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::frequency_counter_overflow), R14_bcp, true);
+
+      // Was an OSR adapter generated?
+      // O0 = osr nmethod
+      __ cmpdi(CCR0, R3_RET, 0);
+      __ beq(CCR0, Lforward);
+
+      // Has the nmethod been invalidated already?
+      __ lwz(R0, nmethod::entry_bci_offset(), R3_RET);
+      __ cmpwi(CCR0, R0, InvalidOSREntryBci);
+      __ beq(CCR0, Lforward);
+
+      // Migrate the interpreter frame off of the stack.
+      // We can use all registers because we will not return to interpreter from this point.
+
+      // Save nmethod.
+      const Register osr_nmethod = R31;
+      __ mr(osr_nmethod, R3_RET);
+      __ set_top_ijava_frame_at_SP_as_last_Java_frame(R1_SP, R11_scratch1);
+      __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::OSR_migration_begin), R16_thread);
+      __ reset_last_Java_frame();
+      // OSR buffer is in ARG1.
+
+      // Remove the interpreter frame.
+      __ merge_frames(/*top_frame_sp*/ R21_sender_SP, /*return_pc*/ R0, R11_scratch1, R12_scratch2);
+
+      // Jump to the osr code.
+      __ ld(R11_scratch1, nmethod::osr_entry_point_offset(), osr_nmethod);
+      __ mtlr(R0);
+      __ mtctr(R11_scratch1);
+      __ bctr();
+
+    } else {
+
+      const Register invoke_ctr = Rscratch1;
+      // Update Backedge branch separately from invocations.
+      __ increment_backedge_counter(R4_counters, invoke_ctr, Rscratch2, Rscratch3);
+
+      if (ProfileInterpreter) {
+        __ test_invocation_counter_for_mdp(invoke_ctr, Rscratch2, Lforward);
+        if (UseOnStackReplacement) {
+          __ test_backedge_count_for_osr(bumped_count, R14_bcp, Rscratch2);
+        }
+      } else {
+        if (UseOnStackReplacement) {
+          __ test_backedge_count_for_osr(invoke_ctr, R14_bcp, Rscratch2);
+        }
+      }
+    }
+
+    __ bind(Lforward);
+
+  } else {
+    // Bump bytecode pointer by displacement (take the branch).
+    __ add(R14_bcp, Rdisp, R14_bcp); // Add to bc addr.
+  }
+  // Continue with bytecode @ target.
+  // %%%%% Like Intel, could speed things up by moving bytecode fetch to code above,
+  // %%%%% and changing dispatch_next to dispatch_only.
+  __ dispatch_next(vtos);
+}
+
+// Helper function for if_cmp* methods below.
+// Factored out common compare and branch code.
+void TemplateTable::if_cmp_common(Register Rfirst, Register Rsecond, Register Rscratch1, Register Rscratch2, Condition cc, bool is_jint, bool cmp0) {
+  Label Lnot_taken;
+  // Note: The condition code we get is the condition under which we
+  // *fall through*! So we have to inverse the CC here.
+
+  if (is_jint) {
+    if (cmp0) {
+      __ cmpwi(CCR0, Rfirst, 0);
+    } else {
+      __ cmpw(CCR0, Rfirst, Rsecond);
+    }
+  } else {
+    if (cmp0) {
+      __ cmpdi(CCR0, Rfirst, 0);
+    } else {
+      __ cmpd(CCR0, Rfirst, Rsecond);
+    }
+  }
+  branch_conditional(CCR0, cc, Lnot_taken, /*invert*/ true);
+
+  // Conition is false => Jump!
+  branch(false, false);
+
+  // Condition is not true => Continue.
+  __ align(32, 12);
+  __ bind(Lnot_taken);
+  __ profile_not_taken_branch(Rscratch1, Rscratch2);
+}
+
+// Compare integer values with zero and fall through if CC holds, branch away otherwise.
+void TemplateTable::if_0cmp(Condition cc) {
+  transition(itos, vtos);
+
+  if_cmp_common(R17_tos, noreg, R11_scratch1, R12_scratch2, cc, true, true);
+}
+
+// Compare integer values and fall through if CC holds, branch away otherwise.
+//
+// Interface:
+//  - Rfirst: First operand  (older stack value)
+//  - tos:    Second operand (younger stack value)
+void TemplateTable::if_icmp(Condition cc) {
+  transition(itos, vtos);
+
+  const Register Rfirst  = R0,
+                 Rsecond = R17_tos;
+
+  __ pop_i(Rfirst);
+  if_cmp_common(Rfirst, Rsecond, R11_scratch1, R12_scratch2, cc, true, false);
+}
+
+void TemplateTable::if_nullcmp(Condition cc) {
+  transition(atos, vtos);
+
+  if_cmp_common(R17_tos, noreg, R11_scratch1, R12_scratch2, cc, false, true);
+}
+
+void TemplateTable::if_acmp(Condition cc) {
+  transition(atos, vtos);
+
+  const Register Rfirst  = R0,
+                 Rsecond = R17_tos;
+
+  __ pop_ptr(Rfirst);
+  if_cmp_common(Rfirst, Rsecond, R11_scratch1, R12_scratch2, cc, false, false);
+}
+
+void TemplateTable::ret() {
+  locals_index(R11_scratch1);
+  __ load_local_ptr(R17_tos, R11_scratch1, R11_scratch1);
+
+  __ profile_ret(vtos, R17_tos, R11_scratch1, R12_scratch2);
+
+  __ ld(R11_scratch1, in_bytes(Method::const_offset()), R19_method);
+  __ add(R11_scratch1, R17_tos, R11_scratch1);
+  __ addi(R14_bcp, R11_scratch1, in_bytes(ConstMethod::codes_offset()));
+  __ dispatch_next(vtos);
+}
+
+void TemplateTable::wide_ret() {
+  transition(vtos, vtos);
+
+  const Register Rindex = R3_ARG1,
+                 Rscratch1 = R11_scratch1,
+                 Rscratch2 = R12_scratch2;
+
+  locals_index_wide(Rindex);
+  __ load_local_ptr(R17_tos, R17_tos, Rindex);
+  __ profile_ret(vtos, R17_tos, Rscratch1, R12_scratch2);
+  // Tos now contains the bci, compute the bcp from that.
+  __ ld(Rscratch1, in_bytes(Method::const_offset()), R19_method);
+  __ addi(Rscratch2, R17_tos, in_bytes(ConstMethod::codes_offset()));
+  __ add(R14_bcp, Rscratch1, Rscratch2);
+  __ dispatch_next(vtos);
+}
+
+void TemplateTable::tableswitch() {
+  transition(itos, vtos);
+
+  Label Ldispatch, Ldefault_case;
+  Register Rlow_byte         = R3_ARG1,
+           Rindex            = Rlow_byte,
+           Rhigh_byte        = R4_ARG2,
+           Rdef_offset_addr  = R5_ARG3, // is going to contain address of default offset
+           Rscratch1         = R11_scratch1,
+           Rscratch2         = R12_scratch2,
+           Roffset           = R6_ARG4;
+
+  // Align bcp.
+  __ addi(Rdef_offset_addr, R14_bcp, BytesPerInt);
+  __ clrrdi(Rdef_offset_addr, Rdef_offset_addr, log2_long((jlong)BytesPerInt));
+
+  // Load lo & hi.
+  __ lwz(Rlow_byte, BytesPerInt, Rdef_offset_addr);
+  __ lwz(Rhigh_byte, BytesPerInt * 2, Rdef_offset_addr);
+
+  // Check for default case (=index outside [low,high]).
+  __ cmpw(CCR0, R17_tos, Rlow_byte);
+  __ cmpw(CCR1, R17_tos, Rhigh_byte);
+  __ blt(CCR0, Ldefault_case);
+  __ bgt(CCR1, Ldefault_case);
+
+  // Lookup dispatch offset.
+  __ sub(Rindex, R17_tos, Rlow_byte);
+  __ extsw(Rindex, Rindex);
+  __ profile_switch_case(Rindex, Rhigh_byte /* scratch */, Rscratch1, Rscratch2);
+  __ sldi(Rindex, Rindex, LogBytesPerInt);
+  __ addi(Rindex, Rindex, 3 * BytesPerInt);
+  __ lwax(Roffset, Rdef_offset_addr, Rindex);
+  __ b(Ldispatch);
+
+  __ bind(Ldefault_case);
+  __ profile_switch_default(Rhigh_byte, Rscratch1);
+  __ lwa(Roffset, 0, Rdef_offset_addr);
+
+  __ bind(Ldispatch);
+
+  __ add(R14_bcp, Roffset, R14_bcp);
+  __ dispatch_next(vtos);
+}
+
+void TemplateTable::lookupswitch() {
+  transition(itos, itos);
+  __ stop("lookupswitch bytecode should have been rewritten");
+}
+
+// Table switch using linear search through cases.
+// Bytecode stream format:
+// Bytecode (1) | 4-byte padding | default offset (4) | count (4) | value/offset pair1 (8) | value/offset pair2 (8) | ...
+// Note: Everything is big-endian format here. So on little endian machines, we have to revers offset and count and cmp value.
+void TemplateTable::fast_linearswitch() {
+  transition(itos, vtos);
+
+  Label Lloop_entry, Lsearch_loop, Lfound, Lcontinue_execution, Ldefault_case;
+
+  Register Rcount           = R3_ARG1,
+           Rcurrent_pair    = R4_ARG2,
+           Rdef_offset_addr = R5_ARG3, // Is going to contain address of default offset.
+           Roffset          = R31,     // Might need to survive C call.
+           Rvalue           = R12_scratch2,
+           Rscratch         = R11_scratch1,
+           Rcmp_value       = R17_tos;
+
+  // Align bcp.
+  __ addi(Rdef_offset_addr, R14_bcp, BytesPerInt);
+  __ clrrdi(Rdef_offset_addr, Rdef_offset_addr, log2_long((jlong)BytesPerInt));
+
+  // Setup loop counter and limit.
+  __ lwz(Rcount, BytesPerInt, Rdef_offset_addr);    // Load count.
+  __ addi(Rcurrent_pair, Rdef_offset_addr, 2 * BytesPerInt); // Rcurrent_pair now points to first pair.
+
+  // Set up search loop.
+  __ cmpwi(CCR0, Rcount, 0);
+  __ beq(CCR0, Ldefault_case);
+
+  __ mtctr(Rcount);
+
+  // linear table search
+  __ bind(Lsearch_loop);
+
+  __ lwz(Rvalue, 0, Rcurrent_pair);
+  __ lwa(Roffset, 1 * BytesPerInt, Rcurrent_pair);
+
+  __ cmpw(CCR0, Rvalue, Rcmp_value);
+  __ beq(CCR0, Lfound);
+
+  __ addi(Rcurrent_pair, Rcurrent_pair, 2 * BytesPerInt);
+  __ bdnz(Lsearch_loop);
+
+  // default case
+  __ bind(Ldefault_case);
+
+  __ lwa(Roffset, 0, Rdef_offset_addr);
+  if (ProfileInterpreter) {
+    __ profile_switch_default(Rdef_offset_addr, Rcount/* scratch */);
+    __ b(Lcontinue_execution);
+  }
+
+  // Entry found, skip Roffset bytecodes and continue.
+  __ bind(Lfound);
+  if (ProfileInterpreter) {
+    // Calc the num of the pair we hit. Careful, Rcurrent_pair points 2 ints
+    // beyond the actual current pair due to the auto update load above!
+    __ sub(Rcurrent_pair, Rcurrent_pair, Rdef_offset_addr);
+    __ addi(Rcurrent_pair, Rcurrent_pair, - 2 * BytesPerInt);
+    __ srdi(Rcurrent_pair, Rcurrent_pair, LogBytesPerInt + 1);
+    __ profile_switch_case(Rcurrent_pair, Rcount /*scratch*/, Rdef_offset_addr/*scratch*/, Rscratch);
+    __ bind(Lcontinue_execution);
+  }
+  __ add(R14_bcp, Roffset, R14_bcp);
+  __ dispatch_next(vtos);
+}
+
+// Table switch using binary search (value/offset pairs are ordered).
+// Bytecode stream format:
+// Bytecode (1) | 4-byte padding | default offset (4) | count (4) | value/offset pair1 (8) | value/offset pair2 (8) | ...
+// Note: Everything is big-endian format here. So on little endian machines, we have to revers offset and count and cmp value.
+void TemplateTable::fast_binaryswitch() {
+
+  transition(itos, vtos);
+  // Implementation using the following core algorithm: (copied from Intel)
+  //
+  // int binary_search(int key, LookupswitchPair* array, int n) {
+  //   // Binary search according to "Methodik des Programmierens" by
+  //   // Edsger W. Dijkstra and W.H.J. Feijen, Addison Wesley Germany 1985.
+  //   int i = 0;
+  //   int j = n;
+  //   while (i+1 < j) {
+  //     // invariant P: 0 <= i < j <= n and (a[i] <= key < a[j] or Q)
+  //     // with      Q: for all i: 0 <= i < n: key < a[i]
+  //     // where a stands for the array and assuming that the (inexisting)
+  //     // element a[n] is infinitely big.
+  //     int h = (i + j) >> 1;
+  //     // i < h < j
+  //     if (key < array[h].fast_match()) {
+  //       j = h;
+  //     } else {
+  //       i = h;
+  //     }
+  //   }
+  //   // R: a[i] <= key < a[i+1] or Q
+  //   // (i.e., if key is within array, i is the correct index)
+  //   return i;
+  // }
+
+  // register allocation
+  const Register Rkey     = R17_tos;          // already set (tosca)
+  const Register Rarray   = R3_ARG1;
+  const Register Ri       = R4_ARG2;
+  const Register Rj       = R5_ARG3;
+  const Register Rh       = R6_ARG4;
+  const Register Rscratch = R11_scratch1;
+
+  const int log_entry_size = 3;
+  const int entry_size = 1 << log_entry_size;
+
+  Label found;
+
+  // Find Array start,
+  __ addi(Rarray, R14_bcp, 3 * BytesPerInt);
+  __ clrrdi(Rarray, Rarray, log2_long((jlong)BytesPerInt));
+
+  // initialize i & j
+  __ li(Ri,0);
+  __ lwz(Rj, -BytesPerInt, Rarray);
+
+  // and start.
+  Label entry;
+  __ b(entry);
+
+  // binary search loop
+  { Label loop;
+    __ bind(loop);
+    // int h = (i + j) >> 1;
+    __ srdi(Rh, Rh, 1);
+    // if (key < array[h].fast_match()) {
+    //   j = h;
+    // } else {
+    //   i = h;
+    // }
+    __ sldi(Rscratch, Rh, log_entry_size);
+    __ lwzx(Rscratch, Rscratch, Rarray);
+
+    // if (key < current value)
+    //   Rh = Rj
+    // else
+    //   Rh = Ri
+    Label Lgreater;
+    __ cmpw(CCR0, Rkey, Rscratch);
+    __ bge(CCR0, Lgreater);
+    __ mr(Rj, Rh);
+    __ b(entry);
+    __ bind(Lgreater);
+    __ mr(Ri, Rh);
+
+    // while (i+1 < j)
+    __ bind(entry);
+    __ addi(Rscratch, Ri, 1);
+    __ cmpw(CCR0, Rscratch, Rj);
+    __ add(Rh, Ri, Rj); // start h = i + j >> 1;
+
+    __ blt(CCR0, loop);
+  }
+
+  // End of binary search, result index is i (must check again!).
+  Label default_case;
+  Label continue_execution;
+  if (ProfileInterpreter) {
+    __ mr(Rh, Ri);              // Save index in i for profiling.
+  }
+  // Ri = value offset
+  __ sldi(Ri, Ri, log_entry_size);
+  __ add(Ri, Ri, Rarray);
+  __ lwz(Rscratch, 0, Ri);
+
+  Label not_found;
+  // Ri = offset offset
+  __ cmpw(CCR0, Rkey, Rscratch);
+  __ beq(CCR0, not_found);
+  // entry not found -> j = default offset
+  __ lwz(Rj, -2 * BytesPerInt, Rarray);
+  __ b(default_case);
+
+  __ bind(not_found);
+  // entry found -> j = offset
+  __ profile_switch_case(Rh, Rj, Rscratch, Rkey);
+  __ lwz(Rj, BytesPerInt, Ri);
+
+  if (ProfileInterpreter) {
+    __ b(continue_execution);
+  }
+
+  __ bind(default_case); // fall through (if not profiling)
+  __ profile_switch_default(Ri, Rscratch);
+
+  __ bind(continue_execution);
+
+  __ extsw(Rj, Rj);
+  __ add(R14_bcp, Rj, R14_bcp);
+  __ dispatch_next(vtos);
+}
+
+void TemplateTable::_return(TosState state) {
+  transition(state, state);
+  assert(_desc->calls_vm(),
+         "inconsistent calls_vm information"); // call in remove_activation
+
+  if (_desc->bytecode() == Bytecodes::_return_register_finalizer) {
+
+    Register Rscratch     = R11_scratch1,
+             Rklass       = R12_scratch2,
+             Rklass_flags = Rklass;
+    Label Lskip_register_finalizer;
+
+    // Check if the method has the FINALIZER flag set and call into the VM to finalize in this case.
+    assert(state == vtos, "only valid state");
+    __ ld(R17_tos, 0, R18_locals);
+
+    // Load klass of this obj.
+    __ load_klass(Rklass, R17_tos);
+    __ lwz(Rklass_flags, in_bytes(Klass::access_flags_offset()), Rklass);
+    __ testbitdi(CCR0, R0, Rklass_flags, exact_log2(JVM_ACC_HAS_FINALIZER));
+    __ bfalse(CCR0, Lskip_register_finalizer);
+
+    __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::register_finalizer), R17_tos /* obj */);
+
+    __ align(32, 12);
+    __ bind(Lskip_register_finalizer);
+  }
+
+  // Move the result value into the correct register and remove memory stack frame.
+  __ remove_activation(state, /* throw_monitor_exception */ true);
+  // Restoration of lr done by remove_activation.
+  switch (state) {
+    case ltos:
+    case btos:
+    case ctos:
+    case stos:
+    case atos:
+    case itos: __ mr(R3_RET, R17_tos); break;
+    case ftos:
+    case dtos: __ fmr(F1_RET, F15_ftos); break;
+    case vtos: // This might be a constructor. Final fields (and volatile fields on PPC64) need
+               // to get visible before the reference to the object gets stored anywhere.
+               __ membar(Assembler::StoreStore); break;
+    default  : ShouldNotReachHere();
+  }
+  __ blr();
+}
+
+// ============================================================================
+// Constant pool cache access
+//
+// Memory ordering:
+//
+// Like done in C++ interpreter, we load the fields
+//   - _indices
+//   - _f12_oop
+// acquired, because these are asked if the cache is already resolved. We don't
+// want to float loads above this check.
+// See also comments in ConstantPoolCacheEntry::bytecode_1(),
+// ConstantPoolCacheEntry::bytecode_2() and ConstantPoolCacheEntry::f1();
+
+// Call into the VM if call site is not yet resolved
+//
+// Input regs:
+//   - None, all passed regs are outputs.
+//
+// Returns:
+//   - Rcache:  The const pool cache entry that contains the resolved result.
+//   - Rresult: Either noreg or output for f1/f2.
+//
+// Kills:
+//   - Rscratch
+void TemplateTable::resolve_cache_and_index(int byte_no, Register Rcache, Register Rscratch, size_t index_size) {
+
+  __ get_cache_and_index_at_bcp(Rcache, 1, index_size);
+  Label Lresolved, Ldone;
+
+  assert(byte_no == f1_byte || byte_no == f2_byte, "byte_no out of range");
+  // We are resolved if the indices offset contains the current bytecode.
+  // Big Endian:
+  __ lbz(Rscratch, in_bytes(ConstantPoolCache::base_offset() + ConstantPoolCacheEntry::indices_offset()) + 7 - (byte_no + 1), Rcache);
+  // Acquire by cmp-br-isync (see below).
+  __ cmpdi(CCR0, Rscratch, (int)bytecode());
+  __ beq(CCR0, Lresolved);
+
+  address entry = NULL;
+  switch (bytecode()) {
+    case Bytecodes::_getstatic      : // fall through
+    case Bytecodes::_putstatic      : // fall through
+    case Bytecodes::_getfield       : // fall through
+    case Bytecodes::_putfield       : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_get_put); break;
+    case Bytecodes::_invokevirtual  : // fall through
+    case Bytecodes::_invokespecial  : // fall through
+    case Bytecodes::_invokestatic   : // fall through
+    case Bytecodes::_invokeinterface: entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invoke); break;
+    case Bytecodes::_invokehandle   : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokehandle); break;
+    case Bytecodes::_invokedynamic  : entry = CAST_FROM_FN_PTR(address, InterpreterRuntime::resolve_invokedynamic); break;
+    default                         : ShouldNotReachHere(); break;
+  }
+  __ li(R4_ARG2, (int)bytecode());
+  __ call_VM(noreg, entry, R4_ARG2, true);
+
+  // Update registers with resolved info.
+  __ get_cache_and_index_at_bcp(Rcache, 1, index_size);
+  __ b(Ldone);
+
+  __ bind(Lresolved);
+  __ isync(); // Order load wrt. succeeding loads.
+  __ bind(Ldone);
+}
+
+// Load the constant pool cache entry at field accesses into registers.
+// The Rcache and Rindex registers must be set before call.
+// Input:
+//   - Rcache, Rindex
+// Output:
+//   - Robj, Roffset, Rflags
+void TemplateTable::load_field_cp_cache_entry(Register Robj,
+                                              Register Rcache,
+                                              Register Rindex /* unused on PPC64 */,
+                                              Register Roffset,
+                                              Register Rflags,
+                                              bool is_static = false) {
+  assert_different_registers(Rcache, Rflags, Roffset);
+  // assert(Rindex == noreg, "parameter not used on PPC64");
+
+  ByteSize cp_base_offset = ConstantPoolCache::base_offset();
+  __ ld(Rflags, in_bytes(cp_base_offset) + in_bytes(ConstantPoolCacheEntry::flags_offset()), Rcache);
+  __ ld(Roffset, in_bytes(cp_base_offset) + in_bytes(ConstantPoolCacheEntry::f2_offset()), Rcache);
+  if (is_static) {
+    __ ld(Robj, in_bytes(cp_base_offset) + in_bytes(ConstantPoolCacheEntry::f1_offset()), Rcache);
+    __ ld(Robj, in_bytes(Klass::java_mirror_offset()), Robj);
+    // Acquire not needed here. Following access has an address dependency on this value.
+  }
+}
+
+// Load the constant pool cache entry at invokes into registers.
+// Resolve if necessary.
+
+// Input Registers:
+//   - None, bcp is used, though
+//
+// Return registers:
+//   - Rmethod       (f1 field or f2 if invokevirtual)
+//   - Ritable_index (f2 field)
+//   - Rflags        (flags field)
+//
+// Kills:
+//   - R21
+//
+void TemplateTable::load_invoke_cp_cache_entry(int byte_no,
+                                               Register Rmethod,
+                                               Register Ritable_index,
+                                               Register Rflags,
+                                               bool is_invokevirtual,
+                                               bool is_invokevfinal,
+                                               bool is_invokedynamic) {
+
+  ByteSize cp_base_offset = ConstantPoolCache::base_offset();
+  // Determine constant pool cache field offsets.
+  assert(is_invokevirtual == (byte_no == f2_byte), "is_invokevirtual flag redundant");
+  const int method_offset = in_bytes(cp_base_offset + (is_invokevirtual ? ConstantPoolCacheEntry::f2_offset() : ConstantPoolCacheEntry::f1_offset()));
+  const int flags_offset  = in_bytes(cp_base_offset + ConstantPoolCacheEntry::flags_offset());
+  // Access constant pool cache fields.
+  const int index_offset  = in_bytes(cp_base_offset + ConstantPoolCacheEntry::f2_offset());
+
+  Register Rcache = R21_tmp1; // Note: same register as R21_sender_SP.
+
+  if (is_invokevfinal) {
+    assert(Ritable_index == noreg, "register not used");
+    // Already resolved.
+    __ get_cache_and_index_at_bcp(Rcache, 1);
+  } else {
+    resolve_cache_and_index(byte_no, Rcache, R0, is_invokedynamic ? sizeof(u4) : sizeof(u2));
+  }
+
+  __ ld(Rmethod, method_offset, Rcache);
+  __ ld(Rflags, flags_offset, Rcache);
+
+  if (Ritable_index != noreg) {
+    __ ld(Ritable_index, index_offset, Rcache);
+  }
+}
+
+// ============================================================================
+// Field access
+
+// Volatile variables demand their effects be made known to all CPU's
+// in order. Store buffers on most chips allow reads & writes to
+// reorder; the JMM's ReadAfterWrite.java test fails in -Xint mode
+// without some kind of memory barrier (i.e., it's not sufficient that
+// the interpreter does not reorder volatile references, the hardware
+// also must not reorder them).
+//
+// According to the new Java Memory Model (JMM):
+// (1) All volatiles are serialized wrt to each other. ALSO reads &
+//     writes act as aquire & release, so:
+// (2) A read cannot let unrelated NON-volatile memory refs that
+//     happen after the read float up to before the read. It's OK for
+//     non-volatile memory refs that happen before the volatile read to
+//     float down below it.
+// (3) Similar a volatile write cannot let unrelated NON-volatile
+//     memory refs that happen BEFORE the write float down to after the
+//     write. It's OK for non-volatile memory refs that happen after the
+//     volatile write to float up before it.
+//
+// We only put in barriers around volatile refs (they are expensive),
+// not _between_ memory refs (that would require us to track the
+// flavor of the previous memory refs). Requirements (2) and (3)
+// require some barriers before volatile stores and after volatile
+// loads. These nearly cover requirement (1) but miss the
+// volatile-store-volatile-load case.  This final case is placed after
+// volatile-stores although it could just as well go before
+// volatile-loads.
+
+// The registers cache and index expected to be set before call.
+// Correct values of the cache and index registers are preserved.
+// Kills:
+//   Rcache (if has_tos)
+//   Rscratch
+void TemplateTable::jvmti_post_field_access(Register Rcache, Register Rscratch, bool is_static, bool has_tos) {
+
+  assert_different_registers(Rcache, Rscratch);
+
+  if (JvmtiExport::can_post_field_access()) {
+    ByteSize cp_base_offset = ConstantPoolCache::base_offset();
+    Label Lno_field_access_post;
+
+    // Check if post field access in enabled.
+    int offs = __ load_const_optimized(Rscratch, JvmtiExport::get_field_access_count_addr(), R0, true);
+    __ lwz(Rscratch, offs, Rscratch);
+
+    __ cmpwi(CCR0, Rscratch, 0);
+    __ beq(CCR0, Lno_field_access_post);
+
+    // Post access enabled - do it!
+    __ addi(Rcache, Rcache, in_bytes(cp_base_offset));
+    if (is_static) {
+      __ li(R17_tos, 0);
+    } else {
+      if (has_tos) {
+        // The fast bytecode versions have obj ptr in register.
+        // Thus, save object pointer before call_VM() clobbers it
+        // put object on tos where GC wants it.
+        __ push_ptr(R17_tos);
+      } else {
+        // Load top of stack (do not pop the value off the stack).
+        __ ld(R17_tos, Interpreter::expr_offset_in_bytes(0), R15_esp);
+      }
+      __ verify_oop(R17_tos);
+    }
+    // tos:   object pointer or NULL if static
+    // cache: cache entry pointer
+    __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_access), R17_tos, Rcache);
+    if (!is_static && has_tos) {
+      // Restore object pointer.
+      __ pop_ptr(R17_tos);
+      __ verify_oop(R17_tos);
+    } else {
+      // Cache is still needed to get class or obj.
+      __ get_cache_and_index_at_bcp(Rcache, 1);
+    }
+
+    __ align(32, 12);
+    __ bind(Lno_field_access_post);
+  }
+}
+
+// kills R11_scratch1
+void TemplateTable::pop_and_check_object(Register Roop) {
+  Register Rtmp = R11_scratch1;
+
+  assert_different_registers(Rtmp, Roop);
+  __ pop_ptr(Roop);
+  // For field access must check obj.
+  __ null_check_throw(Roop, -1, Rtmp);
+  __ verify_oop(Roop);
+}
+
+// PPC64: implement volatile loads as fence-store-acquire.
+void TemplateTable::getfield_or_static(int byte_no, bool is_static) {
+  transition(vtos, vtos);
+
+  Label Lacquire, Lisync;
+
+  const Register Rcache        = R3_ARG1,
+                 Rclass_or_obj = R22_tmp2,
+                 Roffset       = R23_tmp3,
+                 Rflags        = R31,
+                 Rbtable       = R5_ARG3,
+                 Rbc           = R6_ARG4,
+                 Rscratch      = R12_scratch2;
+
+  static address field_branch_table[number_of_states],
+                 static_branch_table[number_of_states];
+
+  address* branch_table = is_static ? static_branch_table : field_branch_table;
+
+  // Get field offset.
+  resolve_cache_and_index(byte_no, Rcache, Rscratch, sizeof(u2));
+
+  // JVMTI support
+  jvmti_post_field_access(Rcache, Rscratch, is_static, false);
+
+  // Load after possible GC.
+  load_field_cp_cache_entry(Rclass_or_obj, Rcache, noreg, Roffset, Rflags, is_static);
+
+  // Load pointer to branch table.
+  __ load_const_optimized(Rbtable, (address)branch_table, Rscratch);
+
+  // Get volatile flag.
+  __ rldicl(Rscratch, Rflags, 64-ConstantPoolCacheEntry::is_volatile_shift, 63); // Extract volatile bit.
+  // Note: sync is needed before volatile load on PPC64.
+
+  // Check field type.
+  __ rldicl(Rflags, Rflags, 64-ConstantPoolCacheEntry::tos_state_shift, 64-ConstantPoolCacheEntry::tos_state_bits);
+
+#ifdef ASSERT
+  Label LFlagInvalid;
+  __ cmpldi(CCR0, Rflags, number_of_states);
+  __ bge(CCR0, LFlagInvalid);
+#endif
+
+  // Load from branch table and dispatch (volatile case: one instruction ahead).
+  __ sldi(Rflags, Rflags, LogBytesPerWord);
+  __ cmpwi(CCR6, Rscratch, 1); // Volatile?
+  if (support_IRIW_for_not_multiple_copy_atomic_cpu) {
+    __ sldi(Rscratch, Rscratch, exact_log2(BytesPerInstWord)); // Volatile ? size of 1 instruction : 0.
+  }
+  __ ldx(Rbtable, Rbtable, Rflags);
+
+  // Get the obj from stack.
+  if (!is_static) {
+    pop_and_check_object(Rclass_or_obj); // Kills R11_scratch1.
+  } else {
+    __ verify_oop(Rclass_or_obj);
+  }
+
+  if (support_IRIW_for_not_multiple_copy_atomic_cpu) {
+    __ subf(Rbtable, Rscratch, Rbtable); // Point to volatile/non-volatile entry point.
+  }
+  __ mtctr(Rbtable);
+  __ bctr();
+
+#ifdef ASSERT
+  __ bind(LFlagInvalid);
+  __ stop("got invalid flag", 0x654);
+
+  // __ bind(Lvtos);
+  address pc_before_fence = __ pc();
+  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(__ pc() - pc_before_fence == (ptrdiff_t)BytesPerInstWord, "must be single instruction");
+  assert(branch_table[vtos] == 0, "can't compute twice");
+  branch_table[vtos] = __ pc(); // non-volatile_entry point
+  __ stop("vtos unexpected", 0x655);
+#endif
+
+  __ align(32, 28, 28); // Align load.
+  // __ bind(Ldtos);
+  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[dtos] == 0, "can't compute twice");
+  branch_table[dtos] = __ pc(); // non-volatile_entry point
+  __ lfdx(F15_ftos, Rclass_or_obj, Roffset);
+  __ push(dtos);
+  if (!is_static) patch_bytecode(Bytecodes::_fast_dgetfield, Rbc, Rscratch);
+  {
+    Label acquire_double;
+    __ beq(CCR6, acquire_double); // Volatile?
+    __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+    __ bind(acquire_double);
+    __ fcmpu(CCR0, F15_ftos, F15_ftos); // Acquire by cmp-br-isync.
+    __ beq_predict_taken(CCR0, Lisync);
+    __ b(Lisync); // In case of NAN.
+  }
+
+  __ align(32, 28, 28); // Align load.
+  // __ bind(Lftos);
+  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[ftos] == 0, "can't compute twice");
+  branch_table[ftos] = __ pc(); // non-volatile_entry point
+  __ lfsx(F15_ftos, Rclass_or_obj, Roffset);
+  __ push(ftos);
+  if (!is_static) { patch_bytecode(Bytecodes::_fast_fgetfield, Rbc, Rscratch); }
+  {
+    Label acquire_float;
+    __ beq(CCR6, acquire_float); // Volatile?
+    __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+    __ bind(acquire_float);
+    __ fcmpu(CCR0, F15_ftos, F15_ftos); // Acquire by cmp-br-isync.
+    __ beq_predict_taken(CCR0, Lisync);
+    __ b(Lisync); // In case of NAN.
+  }
+
+  __ align(32, 28, 28); // Align load.
+  // __ bind(Litos);
+  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[itos] == 0, "can't compute twice");
+  branch_table[itos] = __ pc(); // non-volatile_entry point
+  __ lwax(R17_tos, Rclass_or_obj, Roffset);
+  __ push(itos);
+  if (!is_static) patch_bytecode(Bytecodes::_fast_igetfield, Rbc, Rscratch);
+  __ beq(CCR6, Lacquire); // Volatile?
+  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+  __ align(32, 28, 28); // Align load.
+  // __ bind(Lltos);
+  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[ltos] == 0, "can't compute twice");
+  branch_table[ltos] = __ pc(); // non-volatile_entry point
+  __ ldx(R17_tos, Rclass_or_obj, Roffset);
+  __ push(ltos);
+  if (!is_static) patch_bytecode(Bytecodes::_fast_lgetfield, Rbc, Rscratch);
+  __ beq(CCR6, Lacquire); // Volatile?
+  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+  __ align(32, 28, 28); // Align load.
+  // __ bind(Lbtos);
+  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[btos] == 0, "can't compute twice");
+  branch_table[btos] = __ pc(); // non-volatile_entry point
+  __ lbzx(R17_tos, Rclass_or_obj, Roffset);
+  __ extsb(R17_tos, R17_tos);
+  __ push(btos);
+  if (!is_static) patch_bytecode(Bytecodes::_fast_bgetfield, Rbc, Rscratch);
+  __ beq(CCR6, Lacquire); // Volatile?
+  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+  __ align(32, 28, 28); // Align load.
+  // __ bind(Lctos);
+  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[ctos] == 0, "can't compute twice");
+  branch_table[ctos] = __ pc(); // non-volatile_entry point
+  __ lhzx(R17_tos, Rclass_or_obj, Roffset);
+  __ push(ctos);
+  if (!is_static) patch_bytecode(Bytecodes::_fast_cgetfield, Rbc, Rscratch);
+  __ beq(CCR6, Lacquire); // Volatile?
+  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+  __ align(32, 28, 28); // Align load.
+  // __ bind(Lstos);
+  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[stos] == 0, "can't compute twice");
+  branch_table[stos] = __ pc(); // non-volatile_entry point
+  __ lhax(R17_tos, Rclass_or_obj, Roffset);
+  __ push(stos);
+  if (!is_static) patch_bytecode(Bytecodes::_fast_sgetfield, Rbc, Rscratch);
+  __ beq(CCR6, Lacquire); // Volatile?
+  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+  __ align(32, 28, 28); // Align load.
+  // __ bind(Latos);
+  __ fence(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[atos] == 0, "can't compute twice");
+  branch_table[atos] = __ pc(); // non-volatile_entry point
+  __ load_heap_oop(R17_tos, (RegisterOrConstant)Roffset, Rclass_or_obj);
+  __ verify_oop(R17_tos);
+  __ push(atos);
+  //__ dcbt(R17_tos); // prefetch
+  if (!is_static) patch_bytecode(Bytecodes::_fast_agetfield, Rbc, Rscratch);
+  __ beq(CCR6, Lacquire); // Volatile?
+  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+  __ align(32, 12);
+  __ bind(Lacquire);
+  __ twi_0(R17_tos);
+  __ bind(Lisync);
+  __ isync(); // acquire
+
+#ifdef ASSERT
+  for (int i = 0; i<number_of_states; ++i) {
+    assert(branch_table[i], "get initialization");
+    //tty->print_cr("get: %s_branch_table[%d] = 0x%llx (opcode 0x%llx)",
+    //              is_static ? "static" : "field", i, branch_table[i], *((unsigned int*)branch_table[i]));
+  }
+#endif
+}
+
+void TemplateTable::getfield(int byte_no) {
+  getfield_or_static(byte_no, false);
+}
+
+void TemplateTable::getstatic(int byte_no) {
+  getfield_or_static(byte_no, true);
+}
+
+// The registers cache and index expected to be set before call.
+// The function may destroy various registers, just not the cache and index registers.
+void TemplateTable::jvmti_post_field_mod(Register Rcache, Register Rscratch, bool is_static) {
+
+  assert_different_registers(Rcache, Rscratch, R6_ARG4);
+
+  if (JvmtiExport::can_post_field_modification()) {
+    Label Lno_field_mod_post;
+
+    // Check if post field access in enabled.
+    int offs = __ load_const_optimized(Rscratch, JvmtiExport::get_field_modification_count_addr(), R0, true);
+    __ lwz(Rscratch, offs, Rscratch);
+
+    __ cmpwi(CCR0, Rscratch, 0);
+    __ beq(CCR0, Lno_field_mod_post);
+
+    // Do the post
+    ByteSize cp_base_offset = ConstantPoolCache::base_offset();
+    const Register Robj = Rscratch;
+
+    __ addi(Rcache, Rcache, in_bytes(cp_base_offset));
+    if (is_static) {
+      // Life is simple. Null out the object pointer.
+      __ li(Robj, 0);
+    } else {
+      // In case of the fast versions, value lives in registers => put it back on tos.
+      int offs = Interpreter::expr_offset_in_bytes(0);
+      Register base = R15_esp;
+      switch(bytecode()) {
+        case Bytecodes::_fast_aputfield: __ push_ptr(); offs+= Interpreter::stackElementSize; break;
+        case Bytecodes::_fast_iputfield: // Fall through
+        case Bytecodes::_fast_bputfield: // Fall through
+        case Bytecodes::_fast_cputfield: // Fall through
+        case Bytecodes::_fast_sputfield: __ push_i(); offs+=  Interpreter::stackElementSize; break;
+        case Bytecodes::_fast_lputfield: __ push_l(); offs+=2*Interpreter::stackElementSize; break;
+        case Bytecodes::_fast_fputfield: __ push_f(); offs+=  Interpreter::stackElementSize; break;
+        case Bytecodes::_fast_dputfield: __ push_d(); offs+=2*Interpreter::stackElementSize; break;
+        default: {
+          offs = 0;
+          base = Robj;
+          const Register Rflags = Robj;
+          Label is_one_slot;
+          // Life is harder. The stack holds the value on top, followed by the
+          // object. We don't know the size of the value, though; it could be
+          // one or two words depending on its type. As a result, we must find
+          // the type to determine where the object is.
+          __ ld(Rflags, in_bytes(ConstantPoolCacheEntry::flags_offset()), Rcache); // Big Endian
+          __ rldicl(Rflags, Rflags, 64-ConstantPoolCacheEntry::tos_state_shift, 64-ConstantPoolCacheEntry::tos_state_bits);
+
+          __ cmpwi(CCR0, Rflags, ltos);
+          __ cmpwi(CCR1, Rflags, dtos);
+          __ addi(base, R15_esp, Interpreter::expr_offset_in_bytes(1));
+          __ crnor(/*CR0 eq*/2, /*CR1 eq*/4+2, /*CR0 eq*/2);
+          __ beq(CCR0, is_one_slot);
+          __ addi(base, R15_esp, Interpreter::expr_offset_in_bytes(2));
+          __ bind(is_one_slot);
+          break;
+        }
+      }
+      __ ld(Robj, offs, base);
+      __ verify_oop(Robj);
+    }
+
+    __ addi(R6_ARG4, R15_esp, Interpreter::expr_offset_in_bytes(0));
+    __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::post_field_modification), Robj, Rcache, R6_ARG4);
+    __ get_cache_and_index_at_bcp(Rcache, 1);
+
+    // In case of the fast versions, value lives in registers => put it back on tos.
+    switch(bytecode()) {
+      case Bytecodes::_fast_aputfield: __ pop_ptr(); break;
+      case Bytecodes::_fast_iputfield: // Fall through
+      case Bytecodes::_fast_bputfield: // Fall through
+      case Bytecodes::_fast_cputfield: // Fall through
+      case Bytecodes::_fast_sputfield: __ pop_i(); break;
+      case Bytecodes::_fast_lputfield: __ pop_l(); break;
+      case Bytecodes::_fast_fputfield: __ pop_f(); break;
+      case Bytecodes::_fast_dputfield: __ pop_d(); break;
+      default: break; // Nothin' to do.
+    }
+
+    __ align(32, 12);
+    __ bind(Lno_field_mod_post);
+  }
+}
+
+// PPC64: implement volatile stores as release-store (return bytecode contains an additional release).
+void TemplateTable::putfield_or_static(int byte_no, bool is_static) {
+  Label Lvolatile;
+
+  const Register Rcache        = R5_ARG3,  // Do not use ARG1/2 (causes trouble in jvmti_post_field_mod).
+                 Rclass_or_obj = R31,      // Needs to survive C call.
+                 Roffset       = R22_tmp2, // Needs to survive C call.
+                 Rflags        = R3_ARG1,
+                 Rbtable       = R4_ARG2,
+                 Rscratch      = R11_scratch1,
+                 Rscratch2     = R12_scratch2,
+                 Rscratch3     = R6_ARG4,
+                 Rbc           = Rscratch3;
+  const ConditionRegister CR_is_vol = CCR2; // Non-volatile condition register (survives runtime call in do_oop_store).
+
+  static address field_branch_table[number_of_states],
+                 static_branch_table[number_of_states];
+
+  address* branch_table = is_static ? static_branch_table : field_branch_table;
+
+  // Stack (grows up):
+  //  value
+  //  obj
+
+  // Load the field offset.
+  resolve_cache_and_index(byte_no, Rcache, Rscratch, sizeof(u2));
+  jvmti_post_field_mod(Rcache, Rscratch, is_static);
+  load_field_cp_cache_entry(Rclass_or_obj, Rcache, noreg, Roffset, Rflags, is_static);
+
+  // Load pointer to branch table.
+  __ load_const_optimized(Rbtable, (address)branch_table, Rscratch);
+
+  // Get volatile flag.
+  __ rldicl(Rscratch, Rflags, 64-ConstantPoolCacheEntry::is_volatile_shift, 63); // Extract volatile bit.
+
+  // Check the field type.
+  __ rldicl(Rflags, Rflags, 64-ConstantPoolCacheEntry::tos_state_shift, 64-ConstantPoolCacheEntry::tos_state_bits);
+
+#ifdef ASSERT
+  Label LFlagInvalid;
+  __ cmpldi(CCR0, Rflags, number_of_states);
+  __ bge(CCR0, LFlagInvalid);
+#endif
+
+  // Load from branch table and dispatch (volatile case: one instruction ahead).
+  __ sldi(Rflags, Rflags, LogBytesPerWord);
+  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) { __ cmpwi(CR_is_vol, Rscratch, 1); } // Volatile?
+  __ sldi(Rscratch, Rscratch, exact_log2(BytesPerInstWord)); // Volatile? size of instruction 1 : 0.
+  __ ldx(Rbtable, Rbtable, Rflags);
+
+  __ subf(Rbtable, Rscratch, Rbtable); // Point to volatile/non-volatile entry point.
+  __ mtctr(Rbtable);
+  __ bctr();
+
+#ifdef ASSERT
+  __ bind(LFlagInvalid);
+  __ stop("got invalid flag", 0x656);
+
+  // __ bind(Lvtos);
+  address pc_before_release = __ pc();
+  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(__ pc() - pc_before_release == (ptrdiff_t)BytesPerInstWord, "must be single instruction");
+  assert(branch_table[vtos] == 0, "can't compute twice");
+  branch_table[vtos] = __ pc(); // non-volatile_entry point
+  __ stop("vtos unexpected", 0x657);
+#endif
+
+  __ align(32, 28, 28); // Align pop.
+  // __ bind(Ldtos);
+  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[dtos] == 0, "can't compute twice");
+  branch_table[dtos] = __ pc(); // non-volatile_entry point
+  __ pop(dtos);
+  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // Kills R11_scratch1.
+  __ stfdx(F15_ftos, Rclass_or_obj, Roffset);
+  if (!is_static) { patch_bytecode(Bytecodes::_fast_dputfield, Rbc, Rscratch, true, byte_no); }
+  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
+    __ beq(CR_is_vol, Lvolatile); // Volatile?
+  }
+  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+  __ align(32, 28, 28); // Align pop.
+  // __ bind(Lftos);
+  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[ftos] == 0, "can't compute twice");
+  branch_table[ftos] = __ pc(); // non-volatile_entry point
+  __ pop(ftos);
+  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // Kills R11_scratch1.
+  __ stfsx(F15_ftos, Rclass_or_obj, Roffset);
+  if (!is_static) { patch_bytecode(Bytecodes::_fast_fputfield, Rbc, Rscratch, true, byte_no); }
+  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
+    __ beq(CR_is_vol, Lvolatile); // Volatile?
+  }
+  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+  __ align(32, 28, 28); // Align pop.
+  // __ bind(Litos);
+  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[itos] == 0, "can't compute twice");
+  branch_table[itos] = __ pc(); // non-volatile_entry point
+  __ pop(itos);
+  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // Kills R11_scratch1.
+  __ stwx(R17_tos, Rclass_or_obj, Roffset);
+  if (!is_static) { patch_bytecode(Bytecodes::_fast_iputfield, Rbc, Rscratch, true, byte_no); }
+  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
+    __ beq(CR_is_vol, Lvolatile); // Volatile?
+  }
+  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+  __ align(32, 28, 28); // Align pop.
+  // __ bind(Lltos);
+  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[ltos] == 0, "can't compute twice");
+  branch_table[ltos] = __ pc(); // non-volatile_entry point
+  __ pop(ltos);
+  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // Kills R11_scratch1.
+  __ stdx(R17_tos, Rclass_or_obj, Roffset);
+  if (!is_static) { patch_bytecode(Bytecodes::_fast_lputfield, Rbc, Rscratch, true, byte_no); }
+  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
+    __ beq(CR_is_vol, Lvolatile); // Volatile?
+  }
+  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+  __ align(32, 28, 28); // Align pop.
+  // __ bind(Lbtos);
+  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[btos] == 0, "can't compute twice");
+  branch_table[btos] = __ pc(); // non-volatile_entry point
+  __ pop(btos);
+  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // Kills R11_scratch1.
+  __ stbx(R17_tos, Rclass_or_obj, Roffset);
+  if (!is_static) { patch_bytecode(Bytecodes::_fast_bputfield, Rbc, Rscratch, true, byte_no); }
+  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
+    __ beq(CR_is_vol, Lvolatile); // Volatile?
+  }
+  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+  __ align(32, 28, 28); // Align pop.
+  // __ bind(Lctos);
+  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[ctos] == 0, "can't compute twice");
+  branch_table[ctos] = __ pc(); // non-volatile_entry point
+  __ pop(ctos);
+  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // Kills R11_scratch1..
+  __ sthx(R17_tos, Rclass_or_obj, Roffset);
+  if (!is_static) { patch_bytecode(Bytecodes::_fast_cputfield, Rbc, Rscratch, true, byte_no); }
+  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
+    __ beq(CR_is_vol, Lvolatile); // Volatile?
+  }
+  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+  __ align(32, 28, 28); // Align pop.
+  // __ bind(Lstos);
+  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[stos] == 0, "can't compute twice");
+  branch_table[stos] = __ pc(); // non-volatile_entry point
+  __ pop(stos);
+  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // Kills R11_scratch1.
+  __ sthx(R17_tos, Rclass_or_obj, Roffset);
+  if (!is_static) { patch_bytecode(Bytecodes::_fast_sputfield, Rbc, Rscratch, true, byte_no); }
+  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
+    __ beq(CR_is_vol, Lvolatile); // Volatile?
+  }
+  __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+  __ align(32, 28, 28); // Align pop.
+  // __ bind(Latos);
+  __ release(); // Volatile entry point (one instruction before non-volatile_entry point).
+  assert(branch_table[atos] == 0, "can't compute twice");
+  branch_table[atos] = __ pc(); // non-volatile_entry point
+  __ pop(atos);
+  if (!is_static) { pop_and_check_object(Rclass_or_obj); } // kills R11_scratch1
+  do_oop_store(_masm, Rclass_or_obj, Roffset, R17_tos, Rscratch, Rscratch2, Rscratch3, _bs->kind(), false /* precise */, true /* check null */);
+  if (!is_static) { patch_bytecode(Bytecodes::_fast_aputfield, Rbc, Rscratch, true, byte_no); }
+  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
+    __ beq(CR_is_vol, Lvolatile); // Volatile?
+    __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+    __ align(32, 12);
+    __ bind(Lvolatile);
+    __ fence();
+  }
+  // fallthru: __ b(Lexit);
+
+#ifdef ASSERT
+  for (int i = 0; i<number_of_states; ++i) {
+    assert(branch_table[i], "put initialization");
+    //tty->print_cr("put: %s_branch_table[%d] = 0x%llx (opcode 0x%llx)",
+    //              is_static ? "static" : "field", i, branch_table[i], *((unsigned int*)branch_table[i]));
+  }
+#endif
+}
+
+void TemplateTable::putfield(int byte_no) {
+  putfield_or_static(byte_no, false);
+}
+
+void TemplateTable::putstatic(int byte_no) {
+  putfield_or_static(byte_no, true);
+}
+
+// See SPARC. On PPC64, we have a different jvmti_post_field_mod which does the job.
+void TemplateTable::jvmti_post_fast_field_mod() {
+  __ should_not_reach_here();
+}
+
+void TemplateTable::fast_storefield(TosState state) {
+  transition(state, vtos);
+
+  const Register Rcache        = R5_ARG3,  // Do not use ARG1/2 (causes trouble in jvmti_post_field_mod).
+                 Rclass_or_obj = R31,      // Needs to survive C call.
+                 Roffset       = R22_tmp2, // Needs to survive C call.
+                 Rflags        = R3_ARG1,
+                 Rscratch      = R11_scratch1,
+                 Rscratch2     = R12_scratch2,
+                 Rscratch3     = R4_ARG2;
+  const ConditionRegister CR_is_vol = CCR2; // Non-volatile condition register (survives runtime call in do_oop_store).
+
+  // Constant pool already resolved => Load flags and offset of field.
+  __ get_cache_and_index_at_bcp(Rcache, 1);
+  jvmti_post_field_mod(Rcache, Rscratch, false /* not static */);
+  load_field_cp_cache_entry(noreg, Rcache, noreg, Roffset, Rflags, false);
+
+  // Get the obj and the final store addr.
+  pop_and_check_object(Rclass_or_obj); // Kills R11_scratch1.
+
+  // Get volatile flag.
+  __ rldicl_(Rscratch, Rflags, 64-ConstantPoolCacheEntry::is_volatile_shift, 63); // Extract volatile bit.
+  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) { __ cmpdi(CR_is_vol, Rscratch, 1); }
+  {
+    Label LnotVolatile;
+    __ beq(CCR0, LnotVolatile);
+    __ release();
+    __ align(32, 12);
+    __ bind(LnotVolatile);
+  }
+
+  // Do the store and fencing.
+  switch(bytecode()) {
+    case Bytecodes::_fast_aputfield:
+      // Store into the field.
+      do_oop_store(_masm, Rclass_or_obj, Roffset, R17_tos, Rscratch, Rscratch2, Rscratch3, _bs->kind(), false /* precise */, true /* check null */);
+      break;
+
+    case Bytecodes::_fast_iputfield:
+      __ stwx(R17_tos, Rclass_or_obj, Roffset);
+      break;
+
+    case Bytecodes::_fast_lputfield:
+      __ stdx(R17_tos, Rclass_or_obj, Roffset);
+      break;
+
+    case Bytecodes::_fast_bputfield:
+      __ stbx(R17_tos, Rclass_or_obj, Roffset);
+      break;
+
+    case Bytecodes::_fast_cputfield:
+    case Bytecodes::_fast_sputfield:
+      __ sthx(R17_tos, Rclass_or_obj, Roffset);
+      break;
+
+    case Bytecodes::_fast_fputfield:
+      __ stfsx(F15_ftos, Rclass_or_obj, Roffset);
+      break;
+
+    case Bytecodes::_fast_dputfield:
+      __ stfdx(F15_ftos, Rclass_or_obj, Roffset);
+      break;
+
+    default: ShouldNotReachHere();
+  }
+
+  if (!support_IRIW_for_not_multiple_copy_atomic_cpu) {
+    Label LVolatile;
+    __ beq(CR_is_vol, LVolatile);
+    __ dispatch_epilog(vtos, Bytecodes::length_for(bytecode()));
+
+    __ align(32, 12);
+    __ bind(LVolatile);
+    __ fence();
+  }
+}
+
+void TemplateTable::fast_accessfield(TosState state) {
+  transition(atos, state);
+
+  Label LisVolatile;
+  ByteSize cp_base_offset = ConstantPoolCache::base_offset();
+
+  const Register Rcache        = R3_ARG1,
+                 Rclass_or_obj = R17_tos,
+                 Roffset       = R22_tmp2,
+                 Rflags        = R23_tmp3,
+                 Rscratch      = R12_scratch2;
+
+  // Constant pool already resolved. Get the field offset.
+  __ get_cache_and_index_at_bcp(Rcache, 1);
+  load_field_cp_cache_entry(noreg, Rcache, noreg, Roffset, Rflags, false);
+
+  // JVMTI support
+  jvmti_post_field_access(Rcache, Rscratch, false, true);
+
+  // Get the load address.
+  __ null_check_throw(Rclass_or_obj, -1, Rscratch);
+
+  // Get volatile flag.
+  __ rldicl_(Rscratch, Rflags, 64-ConstantPoolCacheEntry::is_volatile_shift, 63); // Extract volatile bit.
+  __ bne(CCR0, LisVolatile);
+
+  switch(bytecode()) {
+    case Bytecodes::_fast_agetfield:
+    {
+      __ load_heap_oop(R17_tos, (RegisterOrConstant)Roffset, Rclass_or_obj);
+      __ verify_oop(R17_tos);
+      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
+
+      __ bind(LisVolatile);
+      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
+      __ load_heap_oop(R17_tos, (RegisterOrConstant)Roffset, Rclass_or_obj);
+      __ verify_oop(R17_tos);
+      __ twi_0(R17_tos);
+      __ isync();
+      break;
+    }
+    case Bytecodes::_fast_igetfield:
+    {
+      __ lwax(R17_tos, Rclass_or_obj, Roffset);
+      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
+
+      __ bind(LisVolatile);
+      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
+      __ lwax(R17_tos, Rclass_or_obj, Roffset);
+      __ twi_0(R17_tos);
+      __ isync();
+      break;
+    }
+    case Bytecodes::_fast_lgetfield:
+    {
+      __ ldx(R17_tos, Rclass_or_obj, Roffset);
+      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
+
+      __ bind(LisVolatile);
+      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
+      __ ldx(R17_tos, Rclass_or_obj, Roffset);
+      __ twi_0(R17_tos);
+      __ isync();
+      break;
+    }
+    case Bytecodes::_fast_bgetfield:
+    {
+      __ lbzx(R17_tos, Rclass_or_obj, Roffset);
+      __ extsb(R17_tos, R17_tos);
+      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
+
+      __ bind(LisVolatile);
+      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
+      __ lbzx(R17_tos, Rclass_or_obj, Roffset);
+      __ twi_0(R17_tos);
+      __ extsb(R17_tos, R17_tos);
+      __ isync();
+      break;
+    }
+    case Bytecodes::_fast_cgetfield:
+    {
+      __ lhzx(R17_tos, Rclass_or_obj, Roffset);
+      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
+
+      __ bind(LisVolatile);
+      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
+      __ lhzx(R17_tos, Rclass_or_obj, Roffset);
+      __ twi_0(R17_tos);
+      __ isync();
+      break;
+    }
+    case Bytecodes::_fast_sgetfield:
+    {
+      __ lhax(R17_tos, Rclass_or_obj, Roffset);
+      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
+
+      __ bind(LisVolatile);
+      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
+      __ lhax(R17_tos, Rclass_or_obj, Roffset);
+      __ twi_0(R17_tos);
+      __ isync();
+      break;
+    }
+    case Bytecodes::_fast_fgetfield:
+    {
+      __ lfsx(F15_ftos, Rclass_or_obj, Roffset);
+      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
+
+      __ bind(LisVolatile);
+      Label Ldummy;
+      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
+      __ lfsx(F15_ftos, Rclass_or_obj, Roffset);
+      __ fcmpu(CCR0, F15_ftos, F15_ftos); // Acquire by cmp-br-isync.
+      __ bne_predict_not_taken(CCR0, Ldummy);
+      __ bind(Ldummy);
+      __ isync();
+      break;
+    }
+    case Bytecodes::_fast_dgetfield:
+    {
+      __ lfdx(F15_ftos, Rclass_or_obj, Roffset);
+      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()));
+
+      __ bind(LisVolatile);
+      Label Ldummy;
+      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
+      __ lfdx(F15_ftos, Rclass_or_obj, Roffset);
+      __ fcmpu(CCR0, F15_ftos, F15_ftos); // Acquire by cmp-br-isync.
+      __ bne_predict_not_taken(CCR0, Ldummy);
+      __ bind(Ldummy);
+      __ isync();
+      break;
+    }
+    default: ShouldNotReachHere();
+  }
+}
+
+void TemplateTable::fast_xaccess(TosState state) {
+  transition(vtos, state);
+
+  Label LisVolatile;
+  ByteSize cp_base_offset = ConstantPoolCache::base_offset();
+  const Register Rcache        = R3_ARG1,
+                 Rclass_or_obj = R17_tos,
+                 Roffset       = R22_tmp2,
+                 Rflags        = R23_tmp3,
+                 Rscratch      = R12_scratch2;
+
+  __ ld(Rclass_or_obj, 0, R18_locals);
+
+  // Constant pool already resolved. Get the field offset.
+  __ get_cache_and_index_at_bcp(Rcache, 2);
+  load_field_cp_cache_entry(noreg, Rcache, noreg, Roffset, Rflags, false);
+
+  // JVMTI support not needed, since we switch back to single bytecode as soon as debugger attaches.
+
+  // Needed to report exception at the correct bcp.
+  __ addi(R14_bcp, R14_bcp, 1);
+
+  // Get the load address.
+  __ null_check_throw(Rclass_or_obj, -1, Rscratch);
+
+  // Get volatile flag.
+  __ rldicl_(Rscratch, Rflags, 64-ConstantPoolCacheEntry::is_volatile_shift, 63); // Extract volatile bit.
+  __ bne(CCR0, LisVolatile);
+
+  switch(state) {
+  case atos:
+    {
+      __ load_heap_oop(R17_tos, (RegisterOrConstant)Roffset, Rclass_or_obj);
+      __ verify_oop(R17_tos);
+      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()) - 1); // Undo bcp increment.
+
+      __ bind(LisVolatile);
+      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
+      __ load_heap_oop(R17_tos, (RegisterOrConstant)Roffset, Rclass_or_obj);
+      __ verify_oop(R17_tos);
+      __ twi_0(R17_tos);
+      __ isync();
+      break;
+    }
+  case itos:
+    {
+      __ lwax(R17_tos, Rclass_or_obj, Roffset);
+      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()) - 1); // Undo bcp increment.
+
+      __ bind(LisVolatile);
+      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
+      __ lwax(R17_tos, Rclass_or_obj, Roffset);
+      __ twi_0(R17_tos);
+      __ isync();
+      break;
+    }
+  case ftos:
+    {
+      __ lfsx(F15_ftos, Rclass_or_obj, Roffset);
+      __ dispatch_epilog(state, Bytecodes::length_for(bytecode()) - 1); // Undo bcp increment.
+
+      __ bind(LisVolatile);
+      Label Ldummy;
+      if (support_IRIW_for_not_multiple_copy_atomic_cpu) { __ fence(); }
+      __ lfsx(F15_ftos, Rclass_or_obj, Roffset);
+      __ fcmpu(CCR0, F15_ftos, F15_ftos); // Acquire by cmp-br-isync.
+      __ bne_predict_not_taken(CCR0, Ldummy);
+      __ bind(Ldummy);
+      __ isync();
+      break;
+    }
+  default: ShouldNotReachHere();
+  }
+  __ addi(R14_bcp, R14_bcp, -1);
+}
+
+// ============================================================================
+// Calls
+
+// Common code for invoke
+//
+// Input:
+//   - byte_no
+//
+// Output:
+//   - Rmethod:        The method to invoke next.
+//   - Rret_addr:      The return address to return to.
+//   - Rindex:         MethodType (invokehandle) or CallSite obj (invokedynamic)
+//   - Rrecv:          Cache for "this" pointer, might be noreg if static call.
+//   - Rflags:         Method flags from const pool cache.
+//
+//  Kills:
+//   - Rscratch1
+//
+void TemplateTable::prepare_invoke(int byte_no,
+                                   Register Rmethod,  // linked method (or i-klass)
+                                   Register Rret_addr,// return address
+                                   Register Rindex,   // itable index, MethodType, etc.
+                                   Register Rrecv,    // If caller wants to see it.
+                                   Register Rflags,   // If caller wants to test it.
+                                   Register Rscratch
+                                   ) {
+  // Determine flags.
+  const Bytecodes::Code code = bytecode();
+  const bool is_invokeinterface  = code == Bytecodes::_invokeinterface;
+  const bool is_invokedynamic    = code == Bytecodes::_invokedynamic;
+  const bool is_invokehandle     = code == Bytecodes::_invokehandle;
+  const bool is_invokevirtual    = code == Bytecodes::_invokevirtual;
+  const bool is_invokespecial    = code == Bytecodes::_invokespecial;
+  const bool load_receiver       = (Rrecv != noreg);
+  assert(load_receiver == (code != Bytecodes::_invokestatic && code != Bytecodes::_invokedynamic), "");
+
+  assert_different_registers(Rmethod, Rindex, Rflags, Rscratch);
+  assert_different_registers(Rmethod, Rrecv, Rflags, Rscratch);
+  assert_different_registers(Rret_addr, Rscratch);
+
+  load_invoke_cp_cache_entry(byte_no, Rmethod, Rindex, Rflags, is_invokevirtual, false, is_invokedynamic);
+
+  // Saving of SP done in call_from_interpreter.
+
+  // Maybe push "appendix" to arguments.
+  if (is_invokedynamic || is_invokehandle) {
+    Label Ldone;
+    __ rldicl_(R0, Rflags, 64-ConstantPoolCacheEntry::has_appendix_shift, 63);
+    __ beq(CCR0, Ldone);
+    // Push "appendix" (MethodType, CallSite, etc.).
+    // This must be done before we get the receiver,
+    // since the parameter_size includes it.
+    __ load_resolved_reference_at_index(Rscratch, Rindex);
+    __ verify_oop(Rscratch);
+    __ push_ptr(Rscratch);
+    __ bind(Ldone);
+  }
+
+  // Load receiver if needed (after appendix is pushed so parameter size is correct).
+  if (load_receiver) {
+    const Register Rparam_count = Rscratch;
+    __ andi(Rparam_count, Rflags, ConstantPoolCacheEntry::parameter_size_mask);
+    __ load_receiver(Rparam_count, Rrecv);
+    __ verify_oop(Rrecv);
+  }
+
+  // Get return address.
+  {
+    Register Rtable_addr = Rscratch;
+    Register Rret_type = Rret_addr;
+    address table_addr = (address) Interpreter::invoke_return_entry_table_for(code);
+
+    // Get return type. It's coded into the upper 4 bits of the lower half of the 64 bit value.
+    __ rldicl(Rret_type, Rflags, 64-ConstantPoolCacheEntry::tos_state_shift, 64-ConstantPoolCacheEntry::tos_state_bits);
+    __ load_dispatch_table(Rtable_addr, (address*)table_addr);
+    __ sldi(Rret_type, Rret_type, LogBytesPerWord);
+    // Get return address.
+    __ ldx(Rret_addr, Rtable_addr, Rret_type);
+  }
+}
+
+// Helper for virtual calls. Load target out of vtable and jump off!
+// Kills all passed registers.
+void TemplateTable::generate_vtable_call(Register Rrecv_klass, Register Rindex, Register Rret, Register Rtemp) {
+
+  assert_different_registers(Rrecv_klass, Rtemp, Rret);
+  const Register Rtarget_method = Rindex;
+
+  // Get target method & entry point.
+  const int base = InstanceKlass::vtable_start_offset() * wordSize;
+  // Calc vtable addr scale the vtable index by 8.
+  __ sldi(Rindex, Rindex, exact_log2(vtableEntry::size() * wordSize));
+  // Load target.
+  __ addi(Rrecv_klass, Rrecv_klass, base + vtableEntry::method_offset_in_bytes());
+  __ ldx(Rtarget_method, Rindex, Rrecv_klass);
+  __ call_from_interpreter(Rtarget_method, Rret, Rrecv_klass /* scratch1 */, Rtemp /* scratch2 */);
+}
+
+// Virtual or final call. Final calls are rewritten on the fly to run through "fast_finalcall" next time.
+void TemplateTable::invokevirtual(int byte_no) {
+  transition(vtos, vtos);
+
+  Register Rtable_addr = R11_scratch1,
+           Rret_type = R12_scratch2,
+           Rret_addr = R5_ARG3,
+           Rflags = R22_tmp2, // Should survive C call.
+           Rrecv = R3_ARG1,
+           Rrecv_klass = Rrecv,
+           Rvtableindex_or_method = R31, // Should survive C call.
+           Rnum_params = R4_ARG2,
+           Rnew_bc = R6_ARG4;
+
+  Label LnotFinal;
+
+  load_invoke_cp_cache_entry(byte_no, Rvtableindex_or_method, noreg, Rflags, /*virtual*/ true, false, false);
+
+  __ testbitdi(CCR0, R0, Rflags, ConstantPoolCacheEntry::is_vfinal_shift);
+  __ bfalse(CCR0, LnotFinal);
+
+  patch_bytecode(Bytecodes::_fast_invokevfinal, Rnew_bc, R12_scratch2);
+  invokevfinal_helper(Rvtableindex_or_method, Rflags, R11_scratch1, R12_scratch2);
+
+  __ align(32, 12);
+  __ bind(LnotFinal);
+  // Load "this" pointer (receiver).
+  __ rldicl(Rnum_params, Rflags, 64, 48);
+  __ load_receiver(Rnum_params, Rrecv);
+  __ verify_oop(Rrecv);
+
+  // Get return type. It's coded into the upper 4 bits of the lower half of the 64 bit value.
+  __ rldicl(Rret_type, Rflags, 64-ConstantPoolCacheEntry::tos_state_shift, 64-ConstantPoolCacheEntry::tos_state_bits);
+  __ load_dispatch_table(Rtable_addr, Interpreter::invoke_return_entry_table());
+  __ sldi(Rret_type, Rret_type, LogBytesPerWord);
+  __ ldx(Rret_addr, Rret_type, Rtable_addr);
+  __ null_check_throw(Rrecv, oopDesc::klass_offset_in_bytes(), R11_scratch1);
+  __ load_klass(Rrecv_klass, Rrecv);
+  __ verify_klass_ptr(Rrecv_klass);
+  __ profile_virtual_call(Rrecv_klass, R11_scratch1, R12_scratch2, false);
+
+  generate_vtable_call(Rrecv_klass, Rvtableindex_or_method, Rret_addr, R11_scratch1);
+}
+
+void TemplateTable::fast_invokevfinal(int byte_no) {
+  transition(vtos, vtos);
+
+  assert(byte_no == f2_byte, "use this argument");
+  Register Rflags  = R22_tmp2,
+           Rmethod = R31;
+  load_invoke_cp_cache_entry(byte_no, Rmethod, noreg, Rflags, /*virtual*/ true, /*is_invokevfinal*/ true, false);
+  invokevfinal_helper(Rmethod, Rflags, R11_scratch1, R12_scratch2);
+}
+
+void TemplateTable::invokevfinal_helper(Register Rmethod, Register Rflags, Register Rscratch1, Register Rscratch2) {
+
+  assert_different_registers(Rmethod, Rflags, Rscratch1, Rscratch2);
+
+  // Load receiver from stack slot.
+  Register Rrecv = Rscratch2;
+  Register Rnum_params = Rrecv;
+
+  __ ld(Rnum_params, in_bytes(Method::const_offset()), Rmethod);
+  __ lhz(Rnum_params /* number of params */, in_bytes(ConstMethod::size_of_parameters_offset()), Rnum_params);
+
+  // Get return address.
+  Register Rtable_addr = Rscratch1,
+           Rret_addr   = Rflags,
+           Rret_type   = Rret_addr;
+  // Get return type. It's coded into the upper 4 bits of the lower half of the 64 bit value.
+  __ rldicl(Rret_type, Rflags, 64-ConstantPoolCacheEntry::tos_state_shift, 64-ConstantPoolCacheEntry::tos_state_bits);
+  __ load_dispatch_table(Rtable_addr, Interpreter::invoke_return_entry_table());
+  __ sldi(Rret_type, Rret_type, LogBytesPerWord);
+  __ ldx(Rret_addr, Rret_type, Rtable_addr);
+
+  // Load receiver and receiver NULL check.
+  __ load_receiver(Rnum_params, Rrecv);
+  __ null_check_throw(Rrecv, -1, Rscratch1);
+
+  __ profile_final_call(Rrecv, Rscratch1);
+
+  // Do the call.
+  __ call_from_interpreter(Rmethod, Rret_addr, Rscratch1, Rscratch2);
+}
+
+void TemplateTable::invokespecial(int byte_no) {
+  assert(byte_no == f1_byte, "use this argument");
+  transition(vtos, vtos);
+
+  Register Rtable_addr = R3_ARG1,
+           Rret_addr   = R4_ARG2,
+           Rflags      = R5_ARG3,
+           Rreceiver   = R6_ARG4,
+           Rmethod     = R31;
+
+  prepare_invoke(byte_no, Rmethod, Rret_addr, noreg, Rreceiver, Rflags, R11_scratch1);
+
+  // Receiver NULL check.
+  __ null_check_throw(Rreceiver, -1, R11_scratch1);
+
+  __ profile_call(R11_scratch1, R12_scratch2);
+  __ call_from_interpreter(Rmethod, Rret_addr, R11_scratch1, R12_scratch2);
+}
+
+void TemplateTable::invokestatic(int byte_no) {
+  assert(byte_no == f1_byte, "use this argument");
+  transition(vtos, vtos);
+
+  Register Rtable_addr = R3_ARG1,
+           Rret_addr   = R4_ARG2,
+           Rflags      = R5_ARG3;
+
+  prepare_invoke(byte_no, R19_method, Rret_addr, noreg, noreg, Rflags, R11_scratch1);
+
+  __ profile_call(R11_scratch1, R12_scratch2);
+  __ call_from_interpreter(R19_method, Rret_addr, R11_scratch1, R12_scratch2);
+}
+
+void TemplateTable::invokeinterface_object_method(Register Rrecv_klass,
+                                                  Register Rret,
+                                                  Register Rflags,
+                                                  Register Rindex,
+                                                  Register Rtemp1,
+                                                  Register Rtemp2) {
+
+  assert_different_registers(Rindex, Rret, Rrecv_klass, Rflags, Rtemp1, Rtemp2);
+  Label LnotFinal;
+
+  // Check for vfinal.
+  __ testbitdi(CCR0, R0, Rflags, ConstantPoolCacheEntry::is_vfinal_shift);
+  __ bfalse(CCR0, LnotFinal);
+
+  Register Rscratch = Rflags; // Rflags is dead now.
+
+  // Final call case.
+  __ profile_final_call(Rtemp1, Rscratch);
+  // Do the final call - the index (f2) contains the method.
+  __ call_from_interpreter(Rindex, Rret, Rscratch, Rrecv_klass /* scratch */);
+
+  // Non-final callc case.
+  __ bind(LnotFinal);
+  __ profile_virtual_call(Rrecv_klass, Rtemp1, Rscratch, false);
+  generate_vtable_call(Rrecv_klass, Rindex, Rret, Rscratch);
+}
+
+void TemplateTable::invokeinterface(int byte_no) {
+  assert(byte_no == f1_byte, "use this argument");
+  transition(vtos, vtos);
+
+  const Register Rscratch1        = R11_scratch1,
+                 Rscratch2        = R12_scratch2,
+                 Rscratch3        = R9_ARG7,
+                 Rscratch4        = R10_ARG8,
+                 Rtable_addr      = Rscratch2,
+                 Rinterface_klass = R5_ARG3,
+                 Rret_type        = R8_ARG6,
+                 Rret_addr        = Rret_type,
+                 Rindex           = R6_ARG4,
+                 Rreceiver        = R4_ARG2,
+                 Rrecv_klass      = Rreceiver,
+                 Rflags           = R7_ARG5;
+
+  prepare_invoke(byte_no, Rinterface_klass, Rret_addr, Rindex, Rreceiver, Rflags, Rscratch1);
+
+  // Get receiver klass.
+  __ null_check_throw(Rreceiver, oopDesc::klass_offset_in_bytes(), Rscratch3);
+  __ load_klass(Rrecv_klass, Rreceiver);
+
+  // Check corner case object method.
+  Label LobjectMethod;
+
+  __ testbitdi(CCR0, R0, Rflags, ConstantPoolCacheEntry::is_forced_virtual_shift);
+  __ btrue(CCR0, LobjectMethod);
+
+  // Fallthrough: The normal invokeinterface case.
+  __ profile_virtual_call(Rrecv_klass, Rscratch1, Rscratch2, false);
+
+  // Find entry point to call.
+  Label Lthrow_icc, Lthrow_ame;
+  // Result will be returned in Rindex.
+  __ mr(Rscratch4, Rrecv_klass);
+  __ mr(Rscratch3, Rindex);
+  __ lookup_interface_method(Rrecv_klass, Rinterface_klass, Rindex, Rindex, Rscratch1, Rscratch2, Lthrow_icc);
+
+  __ cmpdi(CCR0, Rindex, 0);
+  __ beq(CCR0, Lthrow_ame);
+  // Found entry. Jump off!
+  __ call_from_interpreter(Rindex, Rret_addr, Rscratch1, Rscratch2);
+
+  // Vtable entry was NULL => Throw abstract method error.
+  __ bind(Lthrow_ame);
+  __ mr(Rrecv_klass, Rscratch4);
+  __ mr(Rindex, Rscratch3);
+  call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_AbstractMethodError));
+
+  // Interface was not found => Throw incompatible class change error.
+  __ bind(Lthrow_icc);
+  __ mr(Rrecv_klass, Rscratch4);
+  call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_IncompatibleClassChangeError));
+
+  __ should_not_reach_here();
+
+  // Special case of invokeinterface called for virtual method of
+  // java.lang.Object. See ConstantPoolCacheEntry::set_method() for details:
+  // The invokeinterface was rewritten to a invokevirtual, hence we have
+  // to handle this corner case. This code isn't produced by javac, but could
+  // be produced by another compliant java compiler.
+  __ bind(LobjectMethod);
+  invokeinterface_object_method(Rrecv_klass, Rret_addr, Rflags, Rindex, Rscratch1, Rscratch2);
+}
+
+void TemplateTable::invokedynamic(int byte_no) {
+  transition(vtos, vtos);
+
+  const Register Rret_addr = R3_ARG1,
+                 Rflags    = R4_ARG2,
+                 Rmethod   = R22_tmp2,
+                 Rscratch1 = R11_scratch1,
+                 Rscratch2 = R12_scratch2;
+
+  if (!EnableInvokeDynamic) {
+    // We should not encounter this bytecode if !EnableInvokeDynamic.
+    // The verifier will stop it. However, if we get past the verifier,
+    // this will stop the thread in a reasonable way, without crashing the JVM.
+    __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_IncompatibleClassChangeError));
+    // The call_VM checks for exception, so we should never return here.
+    __ should_not_reach_here();
+    return;
+  }
+
+  prepare_invoke(byte_no, Rmethod, Rret_addr, Rscratch1, noreg, Rflags, Rscratch2);
+
+  // Profile this call.
+  __ profile_call(Rscratch1, Rscratch2);
+
+  // Off we go. With the new method handles, we don't jump to a method handle
+  // entry any more. Instead, we pushed an "appendix" in prepare invoke, which happens
+  // to be the callsite object the bootstrap method returned. This is passed to a
+  // "link" method which does the dispatch (Most likely just grabs the MH stored
+  // inside the callsite and does an invokehandle).
+  __ call_from_interpreter(Rmethod, Rret_addr, Rscratch1 /* scratch1 */, Rscratch2 /* scratch2 */);
+}
+
+void TemplateTable::invokehandle(int byte_no) {
+  transition(vtos, vtos);
+
+  const Register Rret_addr = R3_ARG1,
+                 Rflags    = R4_ARG2,
+                 Rrecv     = R5_ARG3,
+                 Rmethod   = R22_tmp2,
+                 Rscratch1 = R11_scratch1,
+                 Rscratch2 = R12_scratch2;
+
+  if (!EnableInvokeDynamic) {
+    // Rewriter does not generate this bytecode.
+    __ should_not_reach_here();
+    return;
+  }
+
+  prepare_invoke(byte_no, Rmethod, Rret_addr, Rscratch1, Rrecv, Rflags, Rscratch2);
+  __ verify_method_ptr(Rmethod);
+  __ null_check_throw(Rrecv, -1, Rscratch2);
+
+  __ profile_final_call(Rrecv, Rscratch1);
+
+  // Still no call from handle => We call the method handle interpreter here.
+  __ call_from_interpreter(Rmethod, Rret_addr, Rscratch1 /* scratch1 */, Rscratch2 /* scratch2 */);
+}
+
+// =============================================================================
+// Allocation
+
+// Puts allocated obj ref onto the expression stack.
+void TemplateTable::_new() {
+  transition(vtos, atos);
+
+  Label Lslow_case,
+        Ldone,
+        Linitialize_header,
+        Lallocate_shared,
+        Linitialize_object;  // Including clearing the fields.
+
+  const Register RallocatedObject = R17_tos,
+                 RinstanceKlass   = R9_ARG7,
+                 Rscratch         = R11_scratch1,
+                 Roffset          = R8_ARG6,
+                 Rinstance_size   = Roffset,
+                 Rcpool           = R4_ARG2,
+                 Rtags            = R3_ARG1,
+                 Rindex           = R5_ARG3;
+
+  const bool allow_shared_alloc = Universe::heap()->supports_inline_contig_alloc() && !CMSIncrementalMode;
+
+  // --------------------------------------------------------------------------
+  // Check if fast case is possible.
+
+  // Load pointers to const pool and const pool's tags array.
+  __ get_cpool_and_tags(Rcpool, Rtags);
+  // Load index of constant pool entry.
+  __ get_2_byte_integer_at_bcp(1, Rindex, InterpreterMacroAssembler::Unsigned);
+
+  if (UseTLAB) {
+    // Make sure the class we're about to instantiate has been resolved
+    // This is done before loading instanceKlass to be consistent with the order
+    // how Constant Pool is updated (see ConstantPoolCache::klass_at_put).
+    __ addi(Rtags, Rtags, Array<u1>::base_offset_in_bytes());
+    __ lbzx(Rtags, Rindex, Rtags);
+
+    __ cmpdi(CCR0, Rtags, JVM_CONSTANT_Class);
+    __ bne(CCR0, Lslow_case);
+
+    // Get instanceKlass (load from Rcpool + sizeof(ConstantPool) + Rindex*BytesPerWord).
+    __ sldi(Roffset, Rindex, LogBytesPerWord);
+    __ addi(Rscratch, Rcpool, sizeof(ConstantPool));
+    __ isync(); // Order load of instance Klass wrt. tags.
+    __ ldx(RinstanceKlass, Roffset, Rscratch);
+
+    // Make sure klass is fully initialized and get instance_size.
+    __ lbz(Rscratch, in_bytes(InstanceKlass::init_state_offset()), RinstanceKlass);
+    __ lwz(Rinstance_size, in_bytes(Klass::layout_helper_offset()), RinstanceKlass);
+
+    __ cmpdi(CCR1, Rscratch, InstanceKlass::fully_initialized);
+    // Make sure klass does not have has_finalizer, or is abstract, or interface or java/lang/Class.
+    __ andi_(R0, Rinstance_size, Klass::_lh_instance_slow_path_bit); // slow path bit equals 0?
+
+    __ crnand(/*CR0 eq*/2, /*CR1 eq*/4+2, /*CR0 eq*/2); // slow path bit set or not fully initialized?
+    __ beq(CCR0, Lslow_case);
+
+    // --------------------------------------------------------------------------
+    // Fast case:
+    // Allocate the instance.
+    // 1) Try to allocate in the TLAB.
+    // 2) If fail, and the TLAB is not full enough to discard, allocate in the shared Eden.
+    // 3) If the above fails (or is not applicable), go to a slow case (creates a new TLAB, etc.).
+
+    Register RoldTopValue = RallocatedObject; // Object will be allocated here if it fits.
+    Register RnewTopValue = R6_ARG4;
+    Register RendValue    = R7_ARG5;
+
+    // Check if we can allocate in the TLAB.
+    __ ld(RoldTopValue, in_bytes(JavaThread::tlab_top_offset()), R16_thread);
+    __ ld(RendValue,    in_bytes(JavaThread::tlab_end_offset()), R16_thread);
+
+    __ add(RnewTopValue, Rinstance_size, RoldTopValue);
+
+    // If there is enough space, we do not CAS and do not clear.
+    __ cmpld(CCR0, RnewTopValue, RendValue);
+    __ bgt(CCR0, allow_shared_alloc ? Lallocate_shared : Lslow_case);
+
+    __ std(RnewTopValue, in_bytes(JavaThread::tlab_top_offset()), R16_thread);
+
+    if (ZeroTLAB) {
+      // The fields have already been cleared.
+      __ b(Linitialize_header);
+    } else {
+      // Initialize both the header and fields.
+      __ b(Linitialize_object);
+    }
+
+    // Fall through: TLAB was too small.
+    if (allow_shared_alloc) {
+      Register RtlabWasteLimitValue = R10_ARG8;
+      Register RfreeValue = RnewTopValue;
+
+      __ bind(Lallocate_shared);
+      // Check if tlab should be discarded (refill_waste_limit >= free).
+      __ ld(RtlabWasteLimitValue, in_bytes(JavaThread::tlab_refill_waste_limit_offset()), R16_thread);
+      __ subf(RfreeValue, RoldTopValue, RendValue);
+      __ srdi(RfreeValue, RfreeValue, LogHeapWordSize); // in dwords
+      __ cmpld(CCR0, RtlabWasteLimitValue, RfreeValue);
+      __ bge(CCR0, Lslow_case);
+
+      // Increment waste limit to prevent getting stuck on this slow path.
+      __ addi(RtlabWasteLimitValue, RtlabWasteLimitValue, (int)ThreadLocalAllocBuffer::refill_waste_limit_increment());
+      __ std(RtlabWasteLimitValue, in_bytes(JavaThread::tlab_refill_waste_limit_offset()), R16_thread);
+    }
+    // else: No allocation in the shared eden. // fallthru: __ b(Lslow_case);
+  }
+  // else: Always go the slow path.
+
+  // --------------------------------------------------------------------------
+  // slow case
+  __ bind(Lslow_case);
+  call_VM(R17_tos, CAST_FROM_FN_PTR(address, InterpreterRuntime::_new), Rcpool, Rindex);
+
+  if (UseTLAB) {
+    __ b(Ldone);
+    // --------------------------------------------------------------------------
+    // Init1: Zero out newly allocated memory.
+
+    if (!ZeroTLAB || allow_shared_alloc) {
+      // Clear object fields.
+      __ bind(Linitialize_object);
+
+      // Initialize remaining object fields.
+      Register Rbase = Rtags;
+      __ addi(Rinstance_size, Rinstance_size, 7 - (int)sizeof(oopDesc));
+      __ addi(Rbase, RallocatedObject, sizeof(oopDesc));
+      __ srdi(Rinstance_size, Rinstance_size, 3);
+
+      // Clear out object skipping header. Takes also care of the zero length case.
+      __ clear_memory_doubleword(Rbase, Rinstance_size);
+      // fallthru: __ b(Linitialize_header);
+    }
+
+    // --------------------------------------------------------------------------
+    // Init2: Initialize the header: mark, klass
+    __ bind(Linitialize_header);
+
+    // Init mark.
+    if (UseBiasedLocking) {
+      __ ld(Rscratch, in_bytes(Klass::prototype_header_offset()), RinstanceKlass);
+    } else {
+      __ load_const_optimized(Rscratch, markOopDesc::prototype(), R0);
+    }
+    __ std(Rscratch, oopDesc::mark_offset_in_bytes(), RallocatedObject);
+
+    // Init klass.
+    __ store_klass_gap(RallocatedObject);
+    __ store_klass(RallocatedObject, RinstanceKlass, Rscratch); // klass (last for cms)
+
+    // Check and trigger dtrace event.
+    {
+      SkipIfEqualZero skip_if(_masm, Rscratch, &DTraceAllocProbes);
+      __ push(atos);
+      __ call_VM_leaf(CAST_FROM_FN_PTR(address, SharedRuntime::dtrace_object_alloc));
+      __ pop(atos);
+    }
+  }
+
+  // continue
+  __ bind(Ldone);
+
+  // Must prevent reordering of stores for object initialization with stores that publish the new object.
+  __ membar(Assembler::StoreStore);
+}
+
+void TemplateTable::newarray() {
+  transition(itos, atos);
+
+  __ lbz(R4, 1, R14_bcp);
+  __ extsw(R5, R17_tos);
+  call_VM(R17_tos, CAST_FROM_FN_PTR(address, InterpreterRuntime::newarray), R4, R5 /* size */);
+
+  // Must prevent reordering of stores for object initialization with stores that publish the new object.
+  __ membar(Assembler::StoreStore);
+}
+
+void TemplateTable::anewarray() {
+  transition(itos, atos);
+
+  __ get_constant_pool(R4);
+  __ get_2_byte_integer_at_bcp(1, R5, InterpreterMacroAssembler::Unsigned);
+  __ extsw(R6, R17_tos); // size
+  call_VM(R17_tos, CAST_FROM_FN_PTR(address, InterpreterRuntime::anewarray), R4 /* pool */, R5 /* index */, R6 /* size */);
+
+  // Must prevent reordering of stores for object initialization with stores that publish the new object.
+  __ membar(Assembler::StoreStore);
+}
+
+// Allocate a multi dimensional array
+void TemplateTable::multianewarray() {
+  transition(vtos, atos);
+
+  Register Rptr = R31; // Needs to survive C call.
+
+  // Put ndims * wordSize into frame temp slot
+  __ lbz(Rptr, 3, R14_bcp);
+  __ sldi(Rptr, Rptr, Interpreter::logStackElementSize);
+  // Esp points past last_dim, so set to R4 to first_dim address.
+  __ add(R4, Rptr, R15_esp);
+  call_VM(R17_tos, CAST_FROM_FN_PTR(address, InterpreterRuntime::multianewarray), R4 /* first_size_address */);
+  // Pop all dimensions off the stack.
+  __ add(R15_esp, Rptr, R15_esp);
+
+  // Must prevent reordering of stores for object initialization with stores that publish the new object.
+  __ membar(Assembler::StoreStore);
+}
+
+void TemplateTable::arraylength() {
+  transition(atos, itos);
+
+  Label LnoException;
+  __ verify_oop(R17_tos);
+  __ null_check_throw(R17_tos, arrayOopDesc::length_offset_in_bytes(), R11_scratch1);
+  __ lwa(R17_tos, arrayOopDesc::length_offset_in_bytes(), R17_tos);
+}
+
+// ============================================================================
+// Typechecks
+
+void TemplateTable::checkcast() {
+  transition(atos, atos);
+
+  Label Ldone, Lis_null, Lquicked, Lresolved;
+  Register Roffset         = R5_ARG3,
+           RobjKlass       = R4_ARG2,
+           RspecifiedKlass = R6_ARG4, // Generate_ClassCastException_verbose_handler will expect this register.
+           Rcpool          = R11_scratch1,
+           Rtags           = R12_scratch2;
+
+  // Null does not pass.
+  __ cmpdi(CCR0, R17_tos, 0);
+  __ beq(CCR0, Lis_null);
+
+  // Get constant pool tag to find out if the bytecode has already been "quickened".
+  __ get_cpool_and_tags(Rcpool, Rtags);
+
+  __ get_2_byte_integer_at_bcp(1, Roffset, InterpreterMacroAssembler::Unsigned);
+
+  __ addi(Rtags, Rtags, Array<u1>::base_offset_in_bytes());
+  __ lbzx(Rtags, Rtags, Roffset);
+
+  __ cmpdi(CCR0, Rtags, JVM_CONSTANT_Class);
+  __ beq(CCR0, Lquicked);
+
+  // Call into the VM to "quicken" instanceof.
+  __ push_ptr();  // for GC
+  call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc));
+  __ get_vm_result_2(RspecifiedKlass);
+  __ pop_ptr();   // Restore receiver.
+  __ b(Lresolved);
+
+  // Extract target class from constant pool.
+  __ bind(Lquicked);
+  __ sldi(Roffset, Roffset, LogBytesPerWord);
+  __ addi(Rcpool, Rcpool, sizeof(ConstantPool));
+  __ isync(); // Order load of specified Klass wrt. tags.
+  __ ldx(RspecifiedKlass, Rcpool, Roffset);
+
+  // Do the checkcast.
+  __ bind(Lresolved);
+  // Get value klass in RobjKlass.
+  __ load_klass(RobjKlass, R17_tos);
+  // Generate a fast subtype check. Branch to cast_ok if no failure. Return 0 if failure.
+  __ gen_subtype_check(RobjKlass, RspecifiedKlass, /*3 temp regs*/ Roffset, Rcpool, Rtags, /*target if subtype*/ Ldone);
+
+  // Not a subtype; so must throw exception
+  // Target class oop is in register R6_ARG4 == RspecifiedKlass by convention.
+  __ load_dispatch_table(R11_scratch1, (address*)Interpreter::_throw_ClassCastException_entry);
+  __ mtctr(R11_scratch1);
+  __ bctr();
+
+  // Profile the null case.
+  __ align(32, 12);
+  __ bind(Lis_null);
+  __ profile_null_seen(R11_scratch1, Rtags); // Rtags used as scratch.
+
+  __ align(32, 12);
+  __ bind(Ldone);
+}
+
+// Output:
+//   - tos == 0: Obj was null or not an instance of class.
+//   - tos == 1: Obj was an instance of class.
+void TemplateTable::instanceof() {
+  transition(atos, itos);
+
+  Label Ldone, Lis_null, Lquicked, Lresolved;
+  Register Roffset         = R5_ARG3,
+           RobjKlass       = R4_ARG2,
+           RspecifiedKlass = R6_ARG4, // Generate_ClassCastException_verbose_handler will expect the value in this register.
+           Rcpool          = R11_scratch1,
+           Rtags           = R12_scratch2;
+
+  // Null does not pass.
+  __ cmpdi(CCR0, R17_tos, 0);
+  __ beq(CCR0, Lis_null);
+
+  // Get constant pool tag to find out if the bytecode has already been "quickened".
+  __ get_cpool_and_tags(Rcpool, Rtags);
+
+  __ get_2_byte_integer_at_bcp(1, Roffset, InterpreterMacroAssembler::Unsigned);
+
+  __ addi(Rtags, Rtags, Array<u1>::base_offset_in_bytes());
+  __ lbzx(Rtags, Rtags, Roffset);
+
+  __ cmpdi(CCR0, Rtags, JVM_CONSTANT_Class);
+  __ beq(CCR0, Lquicked);
+
+  // Call into the VM to "quicken" instanceof.
+  __ push_ptr();  // for GC
+  call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::quicken_io_cc));
+  __ get_vm_result_2(RspecifiedKlass);
+  __ pop_ptr();   // Restore receiver.
+  __ b(Lresolved);
+
+  // Extract target class from constant pool.
+  __ bind(Lquicked);
+  __ sldi(Roffset, Roffset, LogBytesPerWord);
+  __ addi(Rcpool, Rcpool, sizeof(ConstantPool));
+  __ isync(); // Order load of specified Klass wrt. tags.
+  __ ldx(RspecifiedKlass, Rcpool, Roffset);
+
+  // Do the checkcast.
+  __ bind(Lresolved);
+  // Get value klass in RobjKlass.
+  __ load_klass(RobjKlass, R17_tos);
+  // Generate a fast subtype check. Branch to cast_ok if no failure. Return 0 if failure.
+  __ li(R17_tos, 1);
+  __ gen_subtype_check(RobjKlass, RspecifiedKlass, /*3 temp regs*/ Roffset, Rcpool, Rtags, /*target if subtype*/ Ldone);
+  __ li(R17_tos, 0);
+
+  if (ProfileInterpreter) {
+    __ b(Ldone);
+  }
+
+  // Profile the null case.
+  __ align(32, 12);
+  __ bind(Lis_null);
+  __ profile_null_seen(Rcpool, Rtags); // Rcpool and Rtags used as scratch.
+
+  __ align(32, 12);
+  __ bind(Ldone);
+}
+
+// =============================================================================
+// Breakpoints
+
+void TemplateTable::_breakpoint() {
+  transition(vtos, vtos);
+
+  // Get the unpatched byte code.
+  __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::get_original_bytecode_at), R19_method, R14_bcp);
+  __ mr(R31, R3_RET);
+
+  // Post the breakpoint event.
+  __ call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::_breakpoint), R19_method, R14_bcp);
+
+  // Complete the execution of original bytecode.
+  __ dispatch_Lbyte_code(vtos, R31, Interpreter::normal_table(vtos));
+}
+
+// =============================================================================
+// Exceptions
+
+void TemplateTable::athrow() {
+  transition(atos, vtos);
+
+  // Exception oop is in tos
+  __ verify_oop(R17_tos);
+
+  __ null_check_throw(R17_tos, -1, R11_scratch1);
+
+  // Throw exception interpreter entry expects exception oop to be in R3.
+  __ mr(R3_RET, R17_tos);
+  __ load_dispatch_table(R11_scratch1, (address*)Interpreter::throw_exception_entry());
+  __ mtctr(R11_scratch1);
+  __ bctr();
+}
+
+// =============================================================================
+// Synchronization
+// Searches the basic object lock list on the stack for a free slot
+// and uses it to lock the obect in tos.
+//
+// Recursive locking is enabled by exiting the search if the same
+// object is already found in the list. Thus, a new basic lock obj lock
+// is allocated "higher up" in the stack and thus is found first
+// at next monitor exit.
+void TemplateTable::monitorenter() {
+  transition(atos, vtos);
+
+  __ verify_oop(R17_tos);
+
+  Register Rcurrent_monitor  = R11_scratch1,
+           Rcurrent_obj      = R12_scratch2,
+           Robj_to_lock      = R17_tos,
+           Rscratch1         = R3_ARG1,
+           Rscratch2         = R4_ARG2,
+           Rscratch3         = R5_ARG3,
+           Rcurrent_obj_addr = R6_ARG4;
+
+  // ------------------------------------------------------------------------------
+  // Null pointer exception.
+  __ null_check_throw(Robj_to_lock, -1, R11_scratch1);
+
+  // Try to acquire a lock on the object.
+  // Repeat until succeeded (i.e., until monitorenter returns true).
+
+  // ------------------------------------------------------------------------------
+  // Find a free slot in the monitor block.
+  Label Lfound, Lexit, Lallocate_new;
+  ConditionRegister found_free_slot = CCR0,
+                    found_same_obj  = CCR1,
+                    reached_limit   = CCR6;
+  {
+    Label Lloop, Lentry;
+    Register Rlimit = Rcurrent_monitor;
+
+    // Set up search loop - start with topmost monitor.
+    __ add(Rcurrent_obj_addr, BasicObjectLock::obj_offset_in_bytes(), R26_monitor);
+
+    __ ld(Rlimit, 0, R1_SP);
+    __ addi(Rlimit, Rlimit, - (frame::ijava_state_size + frame::interpreter_frame_monitor_size_in_bytes() - BasicObjectLock::obj_offset_in_bytes())); // Monitor base
+
+    // Check if any slot is present => short cut to allocation if not.
+    __ cmpld(reached_limit, Rcurrent_obj_addr, Rlimit);
+    __ bgt(reached_limit, Lallocate_new);
+
+    // Pre-load topmost slot.
+    __ ld(Rcurrent_obj, 0, Rcurrent_obj_addr);
+    __ addi(Rcurrent_obj_addr, Rcurrent_obj_addr, frame::interpreter_frame_monitor_size() * wordSize);
+    // The search loop.
+    __ bind(Lloop);
+    // Found free slot?
+    __ cmpdi(found_free_slot, Rcurrent_obj, 0);
+    // Is this entry for same obj? If so, stop the search and take the found
+    // free slot or allocate a new one to enable recursive locking.
+    __ cmpd(found_same_obj, Rcurrent_obj, Robj_to_lock);
+    __ cmpld(reached_limit, Rcurrent_obj_addr, Rlimit);
+    __ beq(found_free_slot, Lexit);
+    __ beq(found_same_obj, Lallocate_new);
+    __ bgt(reached_limit, Lallocate_new);
+    // Check if last allocated BasicLockObj reached.
+    __ ld(Rcurrent_obj, 0, Rcurrent_obj_addr);
+    __ addi(Rcurrent_obj_addr, Rcurrent_obj_addr, frame::interpreter_frame_monitor_size() * wordSize);
+    // Next iteration if unchecked BasicObjectLocks exist on the stack.
+    __ b(Lloop);
+  }
+
+  // ------------------------------------------------------------------------------
+  // Check if we found a free slot.
+  __ bind(Lexit);
+
+  __ addi(Rcurrent_monitor, Rcurrent_obj_addr, -(frame::interpreter_frame_monitor_size() * wordSize) - BasicObjectLock::obj_offset_in_bytes());
+  __ addi(Rcurrent_obj_addr, Rcurrent_obj_addr, - frame::interpreter_frame_monitor_size() * wordSize);
+  __ b(Lfound);
+
+  // We didn't find a free BasicObjLock => allocate one.
+  __ align(32, 12);
+  __ bind(Lallocate_new);
+  __ add_monitor_to_stack(false, Rscratch1, Rscratch2);
+  __ mr(Rcurrent_monitor, R26_monitor);
+  __ addi(Rcurrent_obj_addr, R26_monitor, BasicObjectLock::obj_offset_in_bytes());
+
+  // ------------------------------------------------------------------------------
+  // We now have a slot to lock.
+  __ bind(Lfound);
+
+  // Increment bcp to point to the next bytecode, so exception handling for async. exceptions work correctly.
+  // The object has already been poped from the stack, so the expression stack looks correct.
+  __ addi(R14_bcp, R14_bcp, 1);
+
+  __ std(Robj_to_lock, 0, Rcurrent_obj_addr);
+  __ lock_object(Rcurrent_monitor, Robj_to_lock);
+
+  // Check if there's enough space on the stack for the monitors after locking.
+  Label Lskip_stack_check;
+  // Optimization: If the monitors stack section is less then a std page size (4K) don't run
+  // the stack check. There should be enough shadow pages to fit that in.
+  __ ld(Rscratch3, 0, R1_SP);
+  __ sub(Rscratch3, Rscratch3, R26_monitor);
+  __ cmpdi(CCR0, Rscratch3, 4*K);
+  __ blt(CCR0, Lskip_stack_check);
+
+  DEBUG_ONLY(__ untested("stack overflow check during monitor enter");)
+  __ li(Rscratch1, 0);
+  __ generate_stack_overflow_check_with_compare_and_throw(Rscratch1, Rscratch2);
+
+  __ align(32, 12);
+  __ bind(Lskip_stack_check);
+
+  // The bcp has already been incremented. Just need to dispatch to next instruction.
+  __ dispatch_next(vtos);
+}
+
+void TemplateTable::monitorexit() {
+  transition(atos, vtos);
+  __ verify_oop(R17_tos);
+
+  Register Rcurrent_monitor  = R11_scratch1,
+           Rcurrent_obj      = R12_scratch2,
+           Robj_to_lock      = R17_tos,
+           Rcurrent_obj_addr = R3_ARG1,
+           Rlimit            = R4_ARG2;
+  Label Lfound, Lillegal_monitor_state;
+
+  // Check corner case: unbalanced monitorEnter / Exit.
+  __ ld(Rlimit, 0, R1_SP);
+  __ addi(Rlimit, Rlimit, - (frame::ijava_state_size + frame::interpreter_frame_monitor_size_in_bytes())); // Monitor base
+
+  // Null pointer check.
+  __ null_check_throw(Robj_to_lock, -1, R11_scratch1);
+
+  __ cmpld(CCR0, R26_monitor, Rlimit);
+  __ bgt(CCR0, Lillegal_monitor_state);
+
+  // Find the corresponding slot in the monitors stack section.
+  {
+    Label Lloop;
+
+    // Start with topmost monitor.
+    __ addi(Rcurrent_obj_addr, R26_monitor, BasicObjectLock::obj_offset_in_bytes());
+    __ addi(Rlimit, Rlimit, BasicObjectLock::obj_offset_in_bytes());
+    __ ld(Rcurrent_obj, 0, Rcurrent_obj_addr);
+    __ addi(Rcurrent_obj_addr, Rcurrent_obj_addr, frame::interpreter_frame_monitor_size() * wordSize);
+
+    __ bind(Lloop);
+    // Is this entry for same obj?
+    __ cmpd(CCR0, Rcurrent_obj, Robj_to_lock);
+    __ beq(CCR0, Lfound);
+
+    // Check if last allocated BasicLockObj reached.
+
+    __ ld(Rcurrent_obj, 0, Rcurrent_obj_addr);
+    __ cmpld(CCR0, Rcurrent_obj_addr, Rlimit);
+    __ addi(Rcurrent_obj_addr, Rcurrent_obj_addr, frame::interpreter_frame_monitor_size() * wordSize);
+
+    // Next iteration if unchecked BasicObjectLocks exist on the stack.
+    __ ble(CCR0, Lloop);
+  }
+
+  // Fell through without finding the basic obj lock => throw up!
+  __ bind(Lillegal_monitor_state);
+  call_VM(noreg, CAST_FROM_FN_PTR(address, InterpreterRuntime::throw_illegal_monitor_state_exception));
+  __ should_not_reach_here();
+
+  __ align(32, 12);
+  __ bind(Lfound);
+  __ addi(Rcurrent_monitor, Rcurrent_obj_addr,
+          -(frame::interpreter_frame_monitor_size() * wordSize) - BasicObjectLock::obj_offset_in_bytes());
+  __ unlock_object(Rcurrent_monitor);
+}
+
+// ============================================================================
+// Wide bytecodes
+
+// Wide instructions. Simply redirects to the wide entry point for that instruction.
+void TemplateTable::wide() {
+  transition(vtos, vtos);
+
+  const Register Rtable = R11_scratch1,
+                 Rindex = R12_scratch2,
+                 Rtmp   = R0;
+
+  __ lbz(Rindex, 1, R14_bcp);
+
+  __ load_dispatch_table(Rtable, Interpreter::_wentry_point);
+
+  __ slwi(Rindex, Rindex, LogBytesPerWord);
+  __ ldx(Rtmp, Rtable, Rindex);
+  __ mtctr(Rtmp);
+  __ bctr();
+  // Note: the bcp increment step is part of the individual wide bytecode implementations.
+}
+#endif // !CC_INTERP