- Reduce the number of Isolate::Current() calls.

runtime/vm/intermediate_language_arm.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_ARM.
 #if defined(TARGET_ARCH_ARM)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/cpu.h"
@@ skipping 11 matching lines @@
 
 namespace dart {
 
 DECLARE_FLAG(int, optimization_counter_threshold);
 DECLARE_FLAG(bool, propagate_ic_data);
 DECLARE_FLAG(bool, use_osr);
 
 // Generic summary for call instructions that have all arguments pushed
 // on the stack and return the result in a fixed register R0.
 LocationSummary* Instruction::MakeCallSummary() {
-  LocationSummary* result = new LocationSummary(0, 0, LocationSummary::kCall);
+  Isolate* isolate = Isolate::Current();
+  LocationSummary* result = new(isolate) LocationSummary(
+      isolate, 0, 0, LocationSummary::kCall);
   result->set_out(0, Location::RegisterLocation(R0));
   return result;
 }
 
 
-LocationSummary* PushArgumentInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* PushArgumentInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {

[Ivan Posva, 2014/05/23 09:19:29]

Fixing the formatting of this in the file.

   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps= 0;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::AnyOrConstant(value()));
   return locs;
 }
 
 
 void PushArgumentInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   // In SSA mode, we need an explicit push. Nothing to do in non-SSA mode
   // where PushArgument is handled by BindInstr::EmitNativeCode.
   if (compiler->is_optimizing()) {
     Location value = locs()->in(0);
     if (value.IsRegister()) {
       __ Push(value.reg());
     } else if (value.IsConstant()) {
       __ PushObject(value.constant());
     } else {
       ASSERT(value.IsStackSlot());
       const intptr_t value_offset = value.ToStackSlotOffset();
       __ LoadFromOffset(kWord, IP, FP, value_offset);
       __ Push(IP);
     }
   }
 }
 
 
-LocationSummary* ReturnInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* ReturnInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::RegisterLocation(R0));
   return locs;
 }
 
 
 // Attempt optimized compilation at return instruction instead of at the entry.
 // The entry needs to be patchable, no inlined objects are allowed in the area
 // that will be overwritten by the patch instructions: a branch macro sequence.
 void ReturnInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register result = locs()->in(0).reg();
@@ skipping 34 matching lines @@
 }
 
 
 // Detect pattern when one value is zero and another is a power of 2.
 static bool IsPowerOfTwoKind(intptr_t v1, intptr_t v2) {
   return (Utils::IsPowerOfTwo(v1) && (v2 == 0)) ||
          (Utils::IsPowerOfTwo(v2) && (v1 == 0));
 }
 
 
-LocationSummary* IfThenElseInstr::MakeLocationSummary(bool opt) const {
-  comparison()->InitializeLocationSummary(opt);
+LocationSummary* IfThenElseInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {

[Cutch, 2014/05/23 09:28:36]

wrong indent on bool opt

+  comparison()->InitializeLocationSummary(isolate, opt);
   return comparison()->locs();
 }
 
 
 void IfThenElseInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register result = locs()->out(0).reg();
 
   Location left = locs()->in(0);
   Location right = locs()->in(1);
   ASSERT(!left.IsConstant() || !right.IsConstant());
@@ skipping 37 matching lines @@
     const int32_t val =
         Smi::RawValue(true_value) - Smi::RawValue(false_value);
     __ AndImmediate(result, result, val);
     if (false_value != 0) {
       __ AddImmediate(result, Smi::RawValue(false_value));
     }
   }
 }
 
 
-LocationSummary* ClosureCallInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* ClosureCallInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {

[Cutch, 2014/05/23 09:28:36]

here too

   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(R0));  // Function.
   summary->set_out(0, Location::RegisterLocation(R0));
   return summary;
 }
 
 
 void ClosureCallInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   // Load arguments descriptor in R4.
   int argument_count = ArgumentCount();
   const Array& arguments_descriptor =
@@ skipping 25 matching lines @@
     // Add deoptimization continuation point after the call and before the
     // arguments are removed.
     compiler->AddCurrentDescriptor(PcDescriptors::kDeopt,
                                    deopt_id_after,
                                    token_pos());
   }
   __ Drop(argument_count);
 }
 
 
-LocationSummary* LoadLocalInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* LoadLocalInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   return LocationSummary::Make(0,
                                Location::RequiresRegister(),
                                LocationSummary::kNoCall);
 }
 
 
 void LoadLocalInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register result = locs()->out(0).reg();
   __ LoadFromOffset(kWord, result, FP, local().index() * kWordSize);
 }
 
 
-LocationSummary* StoreLocalInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* StoreLocalInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   return LocationSummary::Make(1,
                                Location::SameAsFirstInput(),
                                LocationSummary::kNoCall);
 }
 
 
 void StoreLocalInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register value = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
   ASSERT(result == value);  // Assert that register assignment is correct.
   __ str(value, Address(FP, local().index() * kWordSize));
 }
 
 
-LocationSummary* ConstantInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* ConstantInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   return LocationSummary::Make(0,
                                Location::RequiresRegister(),
                                LocationSummary::kNoCall);
 }
 
 
 void ConstantInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   // The register allocator drops constant definitions that have no uses.
   if (!locs()->out(0).IsInvalid()) {
     const Register result = locs()->out(0).reg();
     __ LoadObject(result, value());
   }
 }
 
 
-LocationSummary* UnboxedConstantInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* UnboxedConstantInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 1;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_out(0, Location::RequiresFpuRegister());
   locs->set_temp(0, Location::RequiresRegister());
   return locs;
 }
 
 
 void UnboxedConstantInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   // The register allocator drops constant definitions that have no uses.
   if (!locs()->out(0).IsInvalid()) {
     if (Utils::DoublesBitEqual(Double::Cast(value()).value(), 0.0) &&
         TargetCPUFeatures::neon_supported()) {
       const QRegister dst = locs()->out(0).fpu_reg();
       __ veorq(dst, dst, dst);
     } else {
       const DRegister dst = EvenDRegisterOf(locs()->out(0).fpu_reg());
       const Register temp = locs()->temp(0).reg();
       __ LoadDImmediate(dst, Double::Cast(value()).value(), temp);
     }
   }
 }
 
 
-LocationSummary* AssertAssignableInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* AssertAssignableInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(R0));  // Value.
   summary->set_in(1, Location::RegisterLocation(R2));  // Instantiator.
   summary->set_in(2, Location::RegisterLocation(R1));  // Type arguments.
   summary->set_out(0, Location::RegisterLocation(R0));
   return summary;
 }
 
 
-LocationSummary* AssertBooleanInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* AssertBooleanInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_in(0, Location::RegisterLocation(R0));
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
 }
 
 
 static void EmitAssertBoolean(Register reg,
                               intptr_t token_pos,
                               intptr_t deopt_id,
                               LocationSummary* locs,
@@ skipping 36 matching lines @@
     case Token::kGT: return GT;
     case Token::kLTE: return LE;
     case Token::kGTE: return GE;
     default:
       UNREACHABLE();
       return VS;
   }
 }
 
 
-LocationSummary* EqualityCompareInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* EqualityCompareInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   if (operation_cid() == kMintCid) {
     const intptr_t kNumTemps = 0;
-    LocationSummary* locs =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+    LocationSummary* locs = new(isolate) LocationSummary(
+        isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     locs->set_in(0, Location::Pair(Location::RequiresRegister(),
                                    Location::RequiresRegister()));
     locs->set_in(1, Location::Pair(Location::RequiresRegister(),
                                    Location::RequiresRegister()));
     locs->set_out(0, Location::RequiresRegister());
     return locs;
   }
   if (operation_cid() == kDoubleCid) {
     const intptr_t kNumTemps = 0;
-    LocationSummary* locs =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+    LocationSummary* locs = new(isolate) LocationSummary(
+        isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     locs->set_in(0, Location::RequiresFpuRegister());
     locs->set_in(1, Location::RequiresFpuRegister());
     locs->set_out(0, Location::RequiresRegister());
     return locs;
   }
   if (operation_cid() == kSmiCid) {
     const intptr_t kNumTemps = 0;
-    LocationSummary* locs =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+    LocationSummary* locs = new(isolate) LocationSummary(
+        isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     locs->set_in(0, Location::RegisterOrConstant(left()));
     // Only one input can be a constant operand. The case of two constant
     // operands should be handled by constant propagation.
     locs->set_in(1, locs->in(0).IsConstant()
                         ? Location::RequiresRegister()
                         : Location::RegisterOrConstant(right()));
     locs->set_out(0, Location::RequiresRegister());
     return locs;
   }
   UNREACHABLE();
@@ skipping 237 matching lines @@
 
   if (operation_cid() == kDoubleCid) {
     Label* nan_result = (true_condition == NE) ?
         labels.true_label : labels.false_label;
     __ b(nan_result, VS);
   }
   EmitBranchOnCondition(compiler, true_condition, labels);
 }
 
 
-LocationSummary* TestSmiInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* TestSmiInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::RequiresRegister());
   // Only one input can be a constant operand. The case of two constant
   // operands should be handled by constant propagation.
   locs->set_in(1, Location::RegisterOrConstant(right()));
   return locs;
 }
 
 
 Condition TestSmiInstr::EmitComparisonCode(FlowGraphCompiler* compiler,
                                            BranchLabels labels) {
@@ skipping 19 matching lines @@
 
 
 void TestSmiInstr::EmitBranchCode(FlowGraphCompiler* compiler,
                                   BranchInstr* branch) {
   BranchLabels labels = compiler->CreateBranchLabels(branch);
   Condition true_condition = EmitComparisonCode(compiler, labels);
   EmitBranchOnCondition(compiler, true_condition, labels);
 }
 
 
-LocationSummary* TestCidsInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* TestCidsInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::RequiresRegister());
   locs->set_temp(0, Location::RequiresRegister());
   locs->set_out(0, Location::RequiresRegister());
   return locs;
 }
 
 
 Condition TestCidsInstr::EmitComparisonCode(FlowGraphCompiler* compiler,
                                             BranchLabels labels) {
   ASSERT((kind() == Token::kIS) || (kind() == Token::kISNOT));
@@ skipping 47 matching lines @@
   EmitComparisonCode(compiler, labels);
   __ Bind(&is_false);
   __ LoadObject(result_reg, Bool::False());
   __ b(&done);
   __ Bind(&is_true);
   __ LoadObject(result_reg, Bool::True());
   __ Bind(&done);
 }
 
 
-LocationSummary* RelationalOpInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* RelationalOpInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   if (operation_cid() == kMintCid) {
     const intptr_t kNumTemps = 1;
-    LocationSummary* locs =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+    LocationSummary* locs = new(isolate) LocationSummary(
+        isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     locs->set_in(0, Location::Pair(Location::RequiresRegister(),
                                    Location::RequiresRegister()));
     locs->set_in(1, Location::Pair(Location::RequiresRegister(),
                                    Location::RequiresRegister()));
     locs->set_temp(0, Location::RequiresRegister());
     locs->set_out(0, Location::RequiresRegister());
     return locs;
   }
   if (operation_cid() == kDoubleCid) {
-    LocationSummary* summary =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+    LocationSummary* summary = new(isolate) LocationSummary(
+        isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     summary->set_in(0, Location::RequiresFpuRegister());
     summary->set_in(1, Location::RequiresFpuRegister());
     summary->set_out(0, Location::RequiresRegister());
     return summary;
   }
   ASSERT(operation_cid() == kSmiCid);
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RegisterOrConstant(left()));
   // Only one input can be a constant operand. The case of two constant
   // operands should be handled by constant propagation.
   summary->set_in(1, summary->in(0).IsConstant()
                          ? Location::RequiresRegister()
                          : Location::RegisterOrConstant(right()));
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
@@ skipping 52 matching lines @@
     __ b(labels.false_label, NE);
   } else if (operation_cid() == kDoubleCid) {
     Label* nan_result = (true_condition == NE) ?
         labels.true_label : labels.false_label;
     __ b(nan_result, VS);
     EmitBranchOnCondition(compiler, true_condition, labels);
   }
 }
 
 
-LocationSummary* NativeCallInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* NativeCallInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 3;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_temp(0, Location::RegisterLocation(R1));
   locs->set_temp(1, Location::RegisterLocation(R2));
   locs->set_temp(2, Location::RegisterLocation(R5));
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
 }
 
 
 void NativeCallInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(locs()->temp(0).reg() == R1);
@@ skipping 36 matching lines @@
   __ LoadImmediate(R5, entry);
   __ LoadImmediate(R1, NativeArguments::ComputeArgcTag(function()));
   compiler->GenerateCall(token_pos(),
                          stub_entry,
                          PcDescriptors::kOther,
                          locs());
   __ Pop(result);
 }
 
 
-LocationSummary* StringFromCharCodeInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* StringFromCharCodeInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   // TODO(fschneider): Allow immediate operands for the char code.
   return LocationSummary::Make(kNumInputs,
                                Location::RequiresRegister(),
                                LocationSummary::kNoCall);
 }
 
 
 void StringFromCharCodeInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register char_code = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
   __ LoadImmediate(result,
                    reinterpret_cast<uword>(Symbols::PredefinedAddress()));
   __ AddImmediate(result, Symbols::kNullCharCodeSymbolOffset * kWordSize);
   __ ldr(result, Address(result, char_code, LSL, 1));  // Char code is a smi.
 }
 
 
-LocationSummary* StringToCharCodeInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* StringToCharCodeInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   return LocationSummary::Make(kNumInputs,
                                Location::RequiresRegister(),
                                LocationSummary::kNoCall);
 }
 
 
 void StringToCharCodeInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(cid_ == kOneByteStringCid);
   const Register str = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
   __ ldr(result, FieldAddress(str, String::length_offset()));
   __ cmp(result, ShifterOperand(Smi::RawValue(1)));
   __ LoadImmediate(result, -1, NE);
   __ ldrb(result, FieldAddress(str, OneByteString::data_offset()), EQ);
   __ SmiTag(result);
 }
 
 
-LocationSummary* StringInterpolateInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* StringInterpolateInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(R0));
   summary->set_out(0, Location::RegisterLocation(R0));
   return summary;
 }
 
 
 void StringInterpolateInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register array = locs()->in(0).reg();
   __ Push(array);
   const int kNumberOfArguments = 1;
   const Array& kNoArgumentNames = Object::null_array();
   compiler->GenerateStaticCall(deopt_id(),
                                token_pos(),
                                CallFunction(),
                                kNumberOfArguments,
                                kNoArgumentNames,
                                locs());
   ASSERT(locs()->out(0).reg() == R0);
 }
 
 
-LocationSummary* LoadUntaggedInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* LoadUntaggedInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   return LocationSummary::Make(kNumInputs,
                                Location::RequiresRegister(),
                                LocationSummary::kNoCall);
 }
 
 
 void LoadUntaggedInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register object = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
   __ LoadFromOffset(kWord, result, object, offset() - kHeapObjectTag);
 }
 
 
-LocationSummary* LoadClassIdInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* LoadClassIdInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   return LocationSummary::Make(kNumInputs,
                                Location::RequiresRegister(),
                                LocationSummary::kNoCall);
 }
 
 
 void LoadClassIdInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register object = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
@@ skipping 79 matching lines @@
       return kUnboxedFloat32x4;
     case kTypedDataFloat64x2ArrayCid:
       return kUnboxedFloat64x2;
     default:
       UNREACHABLE();
       return kTagged;
   }
 }
 
 
-LocationSummary* LoadIndexedInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* LoadIndexedInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::RequiresRegister());
   // The smi index is either untagged (element size == 1), or it is left smi
   // tagged (for all element sizes > 1).
   // TODO(regis): Revisit and see if the index can be immediate.
   if (index_scale() == 2 && IsExternal()) {
     locs->set_in(1, Location::RequiresRegister());
   } else {
     locs->set_in(1, Location::WritableRegister());
   }
   if ((representation() == kUnboxedDouble)    ||
@@ skipping 219 matching lines @@
       return kUnboxedInt32x4;
     case kTypedDataFloat64x2ArrayCid:
       return kUnboxedFloat64x2;
     default:
       UNREACHABLE();
       return kTagged;
   }
 }
 
 
-LocationSummary* StoreIndexedInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* StoreIndexedInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 0;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::RequiresRegister());
   // The smi index is either untagged (element size == 1), or it is left smi
   // tagged (for all element sizes > 1).
   // TODO(regis): Revisit and see if the index can be immediate.
   locs->set_in(1, Location::WritableRegister());
   switch (class_id()) {
     case kArrayCid:
       locs->set_in(2, ShouldEmitStoreBarrier()
                         ? Location::WritableRegister()
                         : Location::RegisterOrConstant(value()));
@@ skipping 209 matching lines @@
         __ str(value1, element_address);
       }
       break;
     }
     default:
       UNREACHABLE();
   }
 }
 
 
-LocationSummary* GuardFieldInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* GuardFieldInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, 0, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, 0, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   const bool field_has_length = field().needs_length_check();
   summary->AddTemp(Location::RequiresRegister());
   summary->AddTemp(Location::RequiresRegister());
   const bool need_field_temp_reg =
       field_has_length || (field().guarded_cid() == kIllegalCid);
   if (need_field_temp_reg) {
     summary->AddTemp(Location::RequiresRegister());
   }
   return summary;
@@ skipping 330 matching lines @@
 
     __ b(exit_label());
   }
 
  private:
   StoreInstanceFieldInstr* instruction_;
   const Class& cls_;
 };
 
 
-LocationSummary* StoreInstanceFieldInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* StoreInstanceFieldInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps,
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps,
           !field().IsNull() &&
           ((field().guarded_cid() == kIllegalCid) || is_initialization_)
           ? LocationSummary::kCallOnSlowPath
           : LocationSummary::kNoCall);
 
   summary->set_in(0, Location::RequiresRegister());
   if (IsUnboxedStore() && opt) {
     summary->set_in(1, Location::RequiresFpuRegister());
     summary->AddTemp(Location::RequiresRegister());
     summary->AddTemp(Location::RequiresRegister());
@@ skipping 216 matching lines @@
     } else {
       const Register value_reg = locs()->in(1).reg();
       __ StoreIntoObjectNoBarrier(instance_reg,
           FieldAddress(instance_reg, offset_in_bytes_), value_reg);
     }
   }
   __ Bind(&skip_store);
 }
 
 
-LocationSummary* LoadStaticFieldInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* LoadStaticFieldInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
 
 // When the parser is building an implicit static getter for optimization,
 // it can generate a function body where deoptimization ids do not line up
 // with the unoptimized code.
 //
 // This is safe only so long as LoadStaticFieldInstr cannot deoptimize.
 void LoadStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register field = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
   __ LoadFromOffset(kWord, result,
                     field, Field::value_offset() - kHeapObjectTag);
 }
 
 
-LocationSummary* StoreStaticFieldInstr::MakeLocationSummary(bool opt) const {
-  LocationSummary* locs = new LocationSummary(1, 1, LocationSummary::kNoCall);
+LocationSummary* StoreStaticFieldInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, 1, 1, LocationSummary::kNoCall);
   locs->set_in(0, value()->NeedsStoreBuffer() ? Location::WritableRegister()
                                               : Location::RequiresRegister());
   locs->set_temp(0, Location::RequiresRegister());
   return locs;
 }
 
 
 void StoreStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register value = locs()->in(0).reg();
   const Register temp = locs()->temp(0).reg();
 
   __ LoadObject(temp, field());
   if (this->value()->NeedsStoreBuffer()) {
     __ StoreIntoObject(temp,
         FieldAddress(temp, Field::value_offset()), value, CanValueBeSmi());
   } else {
     __ StoreIntoObjectNoBarrier(
         temp, FieldAddress(temp, Field::value_offset()), value);
   }
 }
 
 
-LocationSummary* InstanceOfInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* InstanceOfInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(R0));
   summary->set_in(1, Location::RegisterLocation(R2));
   summary->set_in(2, Location::RegisterLocation(R1));
   summary->set_out(0, Location::RegisterLocation(R0));
   return summary;
 }
 
 
 void InstanceOfInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(locs()->in(0).reg() == R0);  // Value.
   ASSERT(locs()->in(1).reg() == R2);  // Instantiator.
   ASSERT(locs()->in(2).reg() == R1);  // Instantiator type arguments.
 
   compiler->GenerateInstanceOf(token_pos(),
                                deopt_id(),
                                type(),
                                negate_result(),
                                locs());
   ASSERT(locs()->out(0).reg() == R0);
 }
 
 
-LocationSummary* CreateArrayInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* CreateArrayInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_in(kElementTypePos, Location::RegisterLocation(R1));
   locs->set_in(kLengthPos, Location::RegisterLocation(R2));
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
 }
 
 
 // Inlines array allocation for known constant values.
 static void InlineArrayAllocation(FlowGraphCompiler* compiler,
                                    intptr_t num_elements,
@@ skipping 195 matching lines @@
     compiler->RestoreLiveRegisters(locs);
 
     __ b(exit_label());
   }
 
  private:
   Instruction* instruction_;
 };
 
 
-LocationSummary* LoadFieldInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* LoadFieldInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* locs =
-      new LocationSummary(
-          kNumInputs, kNumTemps,
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps,
           (opt && !IsPotentialUnboxedLoad())
           ? LocationSummary::kNoCall
           : LocationSummary::kCallOnSlowPath);
 
   locs->set_in(0, Location::RequiresRegister());
 
   if (IsUnboxedLoad() && opt) {
     locs->AddTemp(Location::RequiresRegister());
   } else if (IsPotentialUnboxedLoad()) {
     locs->AddTemp(opt ? Location::RequiresFpuRegister()
@@ skipping 122 matching lines @@
     }
 
     __ Bind(&load_pointer);
   }
   __ LoadFromOffset(kWord, result_reg,
                     instance_reg, offset_in_bytes() - kHeapObjectTag);
   __ Bind(&done);
 }
 
 
-LocationSummary* InstantiateTypeInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* InstantiateTypeInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_in(0, Location::RegisterLocation(R0));
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
 }
 
 
 void InstantiateTypeInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register instantiator_reg = locs()->in(0).reg();
   const Register result_reg = locs()->out(0).reg();
 
   // 'instantiator_reg' is the instantiator TypeArguments object (or null).
   // A runtime call to instantiate the type is required.
   __ PushObject(Object::ZoneHandle());  // Make room for the result.
   __ PushObject(type());
   __ Push(instantiator_reg);  // Push instantiator type arguments.
   compiler->GenerateRuntimeCall(token_pos(),
                                 deopt_id(),
                                 kInstantiateTypeRuntimeEntry,
                                 2,
                                 locs());
   __ Drop(2);  // Drop instantiator and uninstantiated type.
   __ Pop(result_reg);  // Pop instantiated type.
   ASSERT(instantiator_reg == result_reg);
 }
 
 
 LocationSummary* InstantiateTypeArgumentsInstr::MakeLocationSummary(
-    bool opt) const {
+    Isolate* isolate, bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_in(0, Location::RegisterLocation(R0));
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
 }
 
 
 void InstantiateTypeArgumentsInstr::EmitNativeCode(
     FlowGraphCompiler* compiler) {
   const Register instantiator_reg = locs()->in(0).reg();
   const Register result_reg = locs()->out(0).reg();
@@ skipping 43 matching lines @@
                                 deopt_id(),
                                 kInstantiateTypeArgumentsRuntimeEntry,
                                 2,
                                 locs());
   __ Drop(2);  // Drop instantiator and uninstantiated type arguments.
   __ Pop(result_reg);  // Pop instantiated type arguments.
   __ Bind(&type_arguments_instantiated);
 }
 
 
-LocationSummary* AllocateContextInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* AllocateContextInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 1;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_temp(0, Location::RegisterLocation(R1));
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
 }
 
 
 void AllocateContextInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(locs()->temp(0).reg() == R1);
   ASSERT(locs()->out(0).reg() == R0);
 
   __ LoadImmediate(R1, num_context_variables());
   const ExternalLabel label("alloc_context",
                             StubCode::AllocateContextEntryPoint());
   compiler->GenerateCall(token_pos(),
                          &label,
                          PcDescriptors::kOther,
                          locs());
 }
 
 
-LocationSummary* CloneContextInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* CloneContextInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_in(0, Location::RegisterLocation(R0));
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
 }
 
 
 void CloneContextInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register context_value = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
 
   __ PushObject(Object::ZoneHandle());  // Make room for the result.
   __ Push(context_value);
   compiler->GenerateRuntimeCall(token_pos(),
                                 deopt_id(),
                                 kCloneContextRuntimeEntry,
                                 1,
                                 locs());
   __ Drop(1);  // Remove argument.
   __ Pop(result);  // Get result (cloned context).
 }
 
 
-LocationSummary* CatchBlockEntryInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* CatchBlockEntryInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   UNREACHABLE();
   return NULL;
 }
 
 
 void CatchBlockEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   __ Bind(compiler->GetJumpLabel(this));
   compiler->AddExceptionHandler(catch_try_index(),
                                 try_index(),
                                 compiler->assembler()->CodeSize(),
@@ skipping 16 matching lines @@
 
   // Restore stack and initialize the two exception variables:
   // exception and stack trace variables.
   __ StoreToOffset(kWord, kExceptionObjectReg,
                    FP, exception_var().index() * kWordSize);
   __ StoreToOffset(kWord, kStackTraceObjectReg,
                    FP, stacktrace_var().index() * kWordSize);
 }
 
 
-LocationSummary* CheckStackOverflowInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* CheckStackOverflowInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs,
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs,
                           kNumTemps,
                           LocationSummary::kCallOnSlowPath);
   summary->set_temp(0, Location::RequiresRegister());
   return summary;
 }
 
 
 class CheckStackOverflowSlowPath : public SlowPathCode {
  public:
   explicit CheckStackOverflowSlowPath(CheckStackOverflowInstr* instruction)
@@ skipping 177 matching lines @@
     const Register temp = locs.temp(0).reg();
     __ Lsl(temp, left, IP);
     __ cmp(left, ShifterOperand(temp, ASR, IP));
     __ b(deopt, NE);  // Overflow.
     // Shift for result now we know there is no overflow.
     __ Lsl(result, left, IP);
   }
 }
 
 
-LocationSummary* BinarySmiOpInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* BinarySmiOpInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   if (op_kind() == Token::kTRUNCDIV) {
     summary->set_in(0, Location::RequiresRegister());
     if (RightIsPowerOfTwoConstant()) {
       ConstantInstr* right_constant = right()->definition()->AsConstant();
       summary->set_in(1, Location::Constant(right_constant->value()));
       summary->AddTemp(Location::RequiresRegister());
     } else {
       summary->set_in(1, Location::RequiresRegister());
       summary->AddTemp(Location::RequiresRegister());
       summary->AddTemp(Location::RequiresFpuRegister());
@@ skipping 340 matching lines @@
       UNREACHABLE();
       break;
     }
     default:
       UNREACHABLE();
       break;
   }
 }
 
 
-LocationSummary* CheckEitherNonSmiInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* CheckEitherNonSmiInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   intptr_t left_cid = left()->Type()->ToCid();
   intptr_t right_cid = right()->Type()->ToCid();
   ASSERT((left_cid != kDoubleCid) && (right_cid != kDoubleCid));
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-    new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_in(1, Location::RequiresRegister());
   return summary;
 }
 
 
 void CheckEitherNonSmiInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   Label* deopt = compiler->AddDeoptStub(deopt_id(),
                                         ICData::kDeoptBinaryDoubleOp);
   intptr_t left_cid = left()->Type()->ToCid();
   intptr_t right_cid = right()->Type()->ToCid();
   const Register left = locs()->in(0).reg();
   const Register right = locs()->in(1).reg();
   if (this->left()->definition() == this->right()->definition()) {
     __ tst(left, ShifterOperand(kSmiTagMask));
   } else if (left_cid == kSmiCid) {
     __ tst(right, ShifterOperand(kSmiTagMask));
   } else if (right_cid == kSmiCid) {
     __ tst(left, ShifterOperand(kSmiTagMask));
   } else {
     __ orr(IP, left, ShifterOperand(right));
     __ tst(IP, ShifterOperand(kSmiTagMask));
   }
   __ b(deopt, EQ);
 }
 
 
-LocationSummary* BoxDoubleInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* BoxDoubleInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs,
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs,
                           kNumTemps,
                           LocationSummary::kCallOnSlowPath);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_temp(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
 
 void BoxDoubleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   BoxDoubleSlowPath* slow_path = new BoxDoubleSlowPath(this);
   compiler->AddSlowPathCode(slow_path);
 
   const Register out_reg = locs()->out(0).reg();
   const DRegister value = EvenDRegisterOf(locs()->in(0).fpu_reg());
 
   __ TryAllocate(compiler->double_class(),
                  slow_path->entry_label(),
                  out_reg,
                  locs()->temp(0).reg());
   __ Bind(slow_path->exit_label());
   __ StoreDToOffset(value, out_reg, Double::value_offset() - kHeapObjectTag);
 }
 
 
-LocationSummary* UnboxDoubleInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* UnboxDoubleInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t value_cid = value()->Type()->ToCid();
   const bool needs_temp = ((value_cid != kSmiCid) && (value_cid != kDoubleCid));
   const bool needs_writable_input = (value_cid == kSmiCid);
   const intptr_t kNumTemps = needs_temp ? 1 : 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, needs_writable_input
                      ? Location::WritableRegister()
                      : Location::RequiresRegister());
   if (needs_temp) summary->set_temp(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void UnboxDoubleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
@@ skipping 32 matching lines @@
       // TODO(regis): Why do we preserve value here but not above?
       __ mov(IP, ShifterOperand(value, ASR, 1));  // Copy and untag.
       __ vmovsr(STMP, IP);
       __ vcvtdi(result, STMP);
       __ Bind(&done);
     }
   }
 }
 
 
-LocationSummary* BoxFloat32x4Instr::MakeLocationSummary(bool opt) const {
+LocationSummary* BoxFloat32x4Instr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs,
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs,
                           kNumTemps,
                           LocationSummary::kCallOnSlowPath);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_temp(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
 
 void BoxFloat32x4Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   BoxFloat32x4SlowPath* slow_path = new BoxFloat32x4SlowPath(this);
   compiler->AddSlowPathCode(slow_path);
 
   const Register out_reg = locs()->out(0).reg();
   const QRegister value = locs()->in(0).fpu_reg();
   const DRegister dvalue0 = EvenDRegisterOf(value);
 
   __ TryAllocate(compiler->float32x4_class(),
                  slow_path->entry_label(),
                  out_reg,
                  locs()->temp(0).reg());
   __ Bind(slow_path->exit_label());
 
   __ StoreMultipleDToOffset(dvalue0, 2, out_reg,
       Float32x4::value_offset() - kHeapObjectTag);
 }
 
 
-LocationSummary* UnboxFloat32x4Instr::MakeLocationSummary(bool opt) const {
+LocationSummary* UnboxFloat32x4Instr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t value_cid = value()->Type()->ToCid();
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = value_cid == kFloat32x4Cid ? 0 : 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   if (kNumTemps > 0) {
     ASSERT(kNumTemps == 1);
     summary->set_temp(0, Location::RequiresRegister());
   }
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
@@ skipping 10 matching lines @@
     __ CompareClassId(value, kFloat32x4Cid, temp);
     __ b(deopt, NE);
   }
 
   const DRegister dresult0 = EvenDRegisterOf(result);
   __ LoadMultipleDFromOffset(dresult0, 2, value,
       Float32x4::value_offset() - kHeapObjectTag);
 }
 
 
-LocationSummary* BoxFloat64x2Instr::MakeLocationSummary(bool opt) const {
+LocationSummary* BoxFloat64x2Instr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs,
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs,
                           kNumTemps,
                           LocationSummary::kCallOnSlowPath);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_temp(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
 
 void BoxFloat64x2Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   BoxFloat64x2SlowPath* slow_path = new BoxFloat64x2SlowPath(this);
   compiler->AddSlowPathCode(slow_path);
 
   const Register out_reg = locs()->out(0).reg();
   const QRegister value = locs()->in(0).fpu_reg();
   const DRegister dvalue0 = EvenDRegisterOf(value);
 
   __ TryAllocate(compiler->float64x2_class(),
                  slow_path->entry_label(),
                  out_reg,
                  locs()->temp(0).reg());
   __ Bind(slow_path->exit_label());
 
   __ StoreMultipleDToOffset(dvalue0, 2, out_reg,
       Float64x2::value_offset() - kHeapObjectTag);
 }
 
 
-LocationSummary* UnboxFloat64x2Instr::MakeLocationSummary(bool opt) const {
+LocationSummary* UnboxFloat64x2Instr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t value_cid = value()->Type()->ToCid();
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = value_cid == kFloat64x2Cid ? 0 : 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   if (kNumTemps > 0) {
     ASSERT(kNumTemps == 1);
     summary->set_temp(0, Location::RequiresRegister());
   }
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
@@ skipping 10 matching lines @@
     __ CompareClassId(value, kFloat64x2Cid, temp);
     __ b(deopt, NE);
   }
 
   const DRegister dresult0 = EvenDRegisterOf(result);
   __ LoadMultipleDFromOffset(dresult0, 2, value,
       Float64x2::value_offset() - kHeapObjectTag);
 }
 
 
-LocationSummary* BoxInt32x4Instr::MakeLocationSummary(bool opt) const {
+LocationSummary* BoxInt32x4Instr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs,
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs,
                           kNumTemps,
                           LocationSummary::kCallOnSlowPath);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_temp(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
 
 class BoxInt32x4SlowPath : public SlowPathCode {
@@ skipping 39 matching lines @@
   __ TryAllocate(compiler->int32x4_class(),
                  slow_path->entry_label(),
                  out_reg,
                  locs()->temp(0).reg());
   __ Bind(slow_path->exit_label());
   __ StoreMultipleDToOffset(dvalue0, 2, out_reg,
       Int32x4::value_offset() - kHeapObjectTag);
 }
 
 
-LocationSummary* UnboxInt32x4Instr::MakeLocationSummary(bool opt) const {
+LocationSummary* UnboxInt32x4Instr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t value_cid = value()->Type()->ToCid();
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = value_cid == kInt32x4Cid ? 0 : 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   if (kNumTemps > 0) {
     ASSERT(kNumTemps == 1);
     summary->set_temp(0, Location::RequiresRegister());
   }
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
@@ skipping 10 matching lines @@
     __ CompareClassId(value, kInt32x4Cid, temp);
     __ b(deopt, NE);
   }
 
   const DRegister dresult0 = EvenDRegisterOf(result);
   __ LoadMultipleDFromOffset(dresult0, 2, value,
       Int32x4::value_offset() - kHeapObjectTag);
 }
 
 
-LocationSummary* BinaryDoubleOpInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* BinaryDoubleOpInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void BinaryDoubleOpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const DRegister left = EvenDRegisterOf(locs()->in(0).fpu_reg());
   const DRegister right = EvenDRegisterOf(locs()->in(1).fpu_reg());
   const DRegister result = EvenDRegisterOf(locs()->out(0).fpu_reg());
   switch (op_kind()) {
     case Token::kADD: __ vaddd(result, left, right); break;
     case Token::kSUB: __ vsubd(result, left, right); break;
     case Token::kMUL: __ vmuld(result, left, right); break;
     case Token::kDIV: __ vdivd(result, left, right); break;
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* BinaryFloat32x4OpInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* BinaryFloat32x4OpInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void BinaryFloat32x4OpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister left = locs()->in(0).fpu_reg();
   const QRegister right = locs()->in(1).fpu_reg();
   const QRegister result = locs()->out(0).fpu_reg();
 
   switch (op_kind()) {
     case Token::kADD: __ vaddqs(result, left, right); break;
     case Token::kSUB: __ vsubqs(result, left, right); break;
     case Token::kMUL: __ vmulqs(result, left, right); break;
     case Token::kDIV: __ Vdivqs(result, left, right); break;
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* BinaryFloat64x2OpInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* BinaryFloat64x2OpInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void BinaryFloat64x2OpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister left = locs()->in(0).fpu_reg();
   const QRegister right = locs()->in(1).fpu_reg();
@@ skipping 23 matching lines @@
       break;
     case Token::kDIV:
       __ vdivd(result0, left0, right0);
       __ vdivd(result1, left1, right1);
       break;
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* Simd32x4ShuffleInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Simd32x4ShuffleInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   // Low (< Q7) Q registers are needed for the vcvtds and vmovs instructions.
   summary->set_in(0, Location::FpuRegisterLocation(Q5));
   summary->set_out(0, Location::FpuRegisterLocation(Q6));
   return summary;
 }
 
 
 void Simd32x4ShuffleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister value = locs()->in(0).fpu_reg();
   const QRegister result = locs()->out(0).fpu_reg();
@@ skipping 55 matching lines @@
         __ vmovs(sresult1, svalues[(mask_ >> 2) & 0x3]);
         __ vmovs(sresult2, svalues[(mask_ >> 4) & 0x3]);
         __ vmovs(sresult3, svalues[(mask_ >> 6) & 0x3]);
       }
       break;
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* Simd32x4ShuffleMixInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Simd32x4ShuffleMixInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   // Low (< Q7) Q registers are needed for the vcvtds and vmovs instructions.
   summary->set_in(0, Location::FpuRegisterLocation(Q4));
   summary->set_in(1, Location::FpuRegisterLocation(Q5));
   summary->set_out(0, Location::FpuRegisterLocation(Q6));
   return summary;
 }
 
 
 void Simd32x4ShuffleMixInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister left = locs()->in(0).fpu_reg();
@@ skipping 31 matching lines @@
       __ vmovs(sresult0, left_svalues[mask_ & 0x3]);
       __ vmovs(sresult1, left_svalues[(mask_ >> 2) & 0x3]);
       __ vmovs(sresult2, right_svalues[(mask_ >> 4) & 0x3]);
       __ vmovs(sresult3, right_svalues[(mask_ >> 6) & 0x3]);
       break;
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* Simd32x4GetSignMaskInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Simd32x4GetSignMaskInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::FpuRegisterLocation(Q5));
   summary->set_temp(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
 
 void Simd32x4GetSignMaskInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister value = locs()->in(0).fpu_reg();
   const DRegister dvalue0 = EvenDRegisterOf(value);
@@ skipping 16 matching lines @@
   // W lane.
   __ vmovrs(temp, OddSRegisterOf(dvalue1));
   __ Lsr(temp, temp, 31);
   __ orr(out, out, ShifterOperand(temp, LSL, 3));
   // Tag.
   __ SmiTag(out);
 }
 
 
 LocationSummary* Float32x4ConstructorInstr::MakeLocationSummary(
-    bool opt) const {
+    Isolate* isolate, bool opt) const {
   const intptr_t kNumInputs = 4;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_in(2, Location::RequiresFpuRegister());
   summary->set_in(3, Location::RequiresFpuRegister());
   // Low (< 7) Q registers are needed for the vcvtsd instruction.
   summary->set_out(0, Location::FpuRegisterLocation(Q6));
   return summary;
 }
 
 
 void Float32x4ConstructorInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister q0 = locs()->in(0).fpu_reg();
   const QRegister q1 = locs()->in(1).fpu_reg();
   const QRegister q2 = locs()->in(2).fpu_reg();
   const QRegister q3 = locs()->in(3).fpu_reg();
   const QRegister r = locs()->out(0).fpu_reg();
 
   const DRegister dr0 = EvenDRegisterOf(r);
   const DRegister dr1 = OddDRegisterOf(r);
 
   __ vcvtsd(EvenSRegisterOf(dr0), EvenDRegisterOf(q0));
   __ vcvtsd(OddSRegisterOf(dr0), EvenDRegisterOf(q1));
   __ vcvtsd(EvenSRegisterOf(dr1), EvenDRegisterOf(q2));
   __ vcvtsd(OddSRegisterOf(dr1), EvenDRegisterOf(q3));
 }
 
 
-LocationSummary* Float32x4ZeroInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Float32x4ZeroInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Float32x4ZeroInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister q = locs()->out(0).fpu_reg();
   __ veorq(q, q, q);
 }
 
 
-LocationSummary* Float32x4SplatInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Float32x4SplatInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Float32x4SplatInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister value = locs()->in(0).fpu_reg();
   const QRegister result = locs()->out(0).fpu_reg();
 
   const DRegister dvalue0 = EvenDRegisterOf(value);
 
   // Convert to Float32.
   __ vcvtsd(STMP, dvalue0);
 
   // Splat across all lanes.
   __ vdup(kWord, result, DTMP, 0);
 }
 
 
-LocationSummary* Float32x4ComparisonInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Float32x4ComparisonInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Float32x4ComparisonInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister left = locs()->in(0).fpu_reg();
   const QRegister right = locs()->in(1).fpu_reg();
@@ skipping 19 matching lines @@
       break;
     case MethodRecognizer::kFloat32x4LessThanOrEqual:
       __ vcgeqs(result, right, left);
       break;
 
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* Float32x4MinMaxInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Float32x4MinMaxInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Float32x4MinMaxInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister left = locs()->in(0).fpu_reg();
   const QRegister right = locs()->in(1).fpu_reg();
   const QRegister result = locs()->out(0).fpu_reg();
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat32x4Min:
       __ vminqs(result, left, right);
       break;
     case MethodRecognizer::kFloat32x4Max:
       __ vmaxqs(result, left, right);
       break;
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* Float32x4SqrtInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Float32x4SqrtInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   summary->set_temp(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Float32x4SqrtInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister left = locs()->in(0).fpu_reg();
   const QRegister result = locs()->out(0).fpu_reg();
   const QRegister temp = locs()->temp(0).fpu_reg();
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat32x4Sqrt:
       __ Vsqrtqs(result, left, temp);
       break;
     case MethodRecognizer::kFloat32x4Reciprocal:
       __ Vreciprocalqs(result, left);
       break;
     case MethodRecognizer::kFloat32x4ReciprocalSqrt:
       __ VreciprocalSqrtqs(result, left);
       break;
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* Float32x4ScaleInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Float32x4ScaleInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Float32x4ScaleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister left = locs()->in(0).fpu_reg();
   const QRegister right = locs()->in(1).fpu_reg();
   const QRegister result = locs()->out(0).fpu_reg();
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat32x4Scale:
       __ vcvtsd(STMP, EvenDRegisterOf(left));
       __ vdup(kWord, result, DTMP, 0);
       __ vmulqs(result, result, right);
       break;
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* Float32x4ZeroArgInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Float32x4ZeroArgInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Float32x4ZeroArgInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister left = locs()->in(0).fpu_reg();
   const QRegister result = locs()->out(0).fpu_reg();
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat32x4Negate:
       __ vnegqs(result, left);
       break;
     case MethodRecognizer::kFloat32x4Absolute:
       __ vabsqs(result, left);
       break;
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* Float32x4ClampInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Float32x4ClampInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_in(2, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Float32x4ClampInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister left = locs()->in(0).fpu_reg();
   const QRegister lower = locs()->in(1).fpu_reg();
   const QRegister upper = locs()->in(2).fpu_reg();
   const QRegister result = locs()->out(0).fpu_reg();
   __ vminqs(result, left, upper);
   __ vmaxqs(result, result, lower);
 }
 
 
-LocationSummary* Float32x4WithInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Float32x4WithInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   // Low (< 7) Q registers are needed for the vmovs instruction.
   summary->set_out(0, Location::FpuRegisterLocation(Q6));
   return summary;
 }
 
 
 void Float32x4WithInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister replacement = locs()->in(0).fpu_reg();
@@ skipping 23 matching lines @@
       __ vmovs(sresult2, STMP);
       break;
     case MethodRecognizer::kFloat32x4WithW:
       __ vmovs(sresult3, STMP);
       break;
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* Float32x4ToInt32x4Instr::MakeLocationSummary(bool opt) const {
+LocationSummary* Float32x4ToInt32x4Instr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Float32x4ToInt32x4Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister value = locs()->in(0).fpu_reg();
   const QRegister result = locs()->out(0).fpu_reg();
 
   if (value != result) {
     __ vmovq(result, value);
   }
 }
 
 
-LocationSummary* Simd64x2ShuffleInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Simd64x2ShuffleInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Simd64x2ShuffleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister value = locs()->in(0).fpu_reg();
 
   const DRegister dvalue0 = EvenDRegisterOf(value);
   const DRegister dvalue1 = OddDRegisterOf(value);
 
   const QRegister result = locs()->out(0).fpu_reg();
 
   const DRegister dresult0 = EvenDRegisterOf(result);
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat64x2GetX:
       __ vmovd(dresult0, dvalue0);
       break;
     case MethodRecognizer::kFloat64x2GetY:
       __ vmovd(dresult0, dvalue1);
       break;
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* Float64x2ZeroInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Float64x2ZeroInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Float64x2ZeroInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister q = locs()->out(0).fpu_reg();
   __ veorq(q, q, q);
 }
 
 
-LocationSummary* Float64x2SplatInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Float64x2SplatInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Float64x2SplatInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister value = locs()->in(0).fpu_reg();
 
   const DRegister dvalue = EvenDRegisterOf(value);
 
   const QRegister result = locs()->out(0).fpu_reg();
 
   const DRegister dresult0 = EvenDRegisterOf(result);
   const DRegister dresult1 = OddDRegisterOf(result);
 
   // Splat across all lanes.
   __ vmovd(dresult0, dvalue);
   __ vmovd(dresult1, dvalue);
 }
 
 
 LocationSummary* Float64x2ConstructorInstr::MakeLocationSummary(
-    bool opt) const {
+    Isolate* isolate, bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Float64x2ConstructorInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister q0 = locs()->in(0).fpu_reg();
   const QRegister q1 = locs()->in(1).fpu_reg();
   const QRegister r = locs()->out(0).fpu_reg();
 
   const DRegister d0 = EvenDRegisterOf(q0);
   const DRegister d1 = EvenDRegisterOf(q1);
 
   const DRegister dr0 = EvenDRegisterOf(r);
   const DRegister dr1 = OddDRegisterOf(r);
 
   __ vmovd(dr0, d0);
   __ vmovd(dr1, d1);
 }
 
 
 LocationSummary* Float64x2ToFloat32x4Instr::MakeLocationSummary(
-    bool opt) const {
+    Isolate* isolate, bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   // Low (< 7) Q registers are needed for the vcvtsd instruction.
   summary->set_out(0, Location::FpuRegisterLocation(Q6));
   return summary;
 }
 
 
 void Float64x2ToFloat32x4Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister q = locs()->in(0).fpu_reg();
   const QRegister r = locs()->out(0).fpu_reg();
 
   const DRegister dq0 = EvenDRegisterOf(q);
   const DRegister dq1 = OddDRegisterOf(q);
 
   const DRegister dr0 = EvenDRegisterOf(r);
 
   // Zero register.
   __ veorq(r, r, r);
   // Set X lane.
   __ vcvtsd(EvenSRegisterOf(dr0), dq0);
   // Set Y lane.
   __ vcvtsd(OddSRegisterOf(dr0), dq1);
 }
 
 
 LocationSummary* Float32x4ToFloat64x2Instr::MakeLocationSummary(
-    bool opt) const {
+    Isolate* isolate, bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   // Low (< 7) Q registers are needed for the vcvtsd instruction.
   summary->set_out(0, Location::FpuRegisterLocation(Q6));
   return summary;
 }
 
 
 void Float32x4ToFloat64x2Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister q = locs()->in(0).fpu_reg();
   const QRegister r = locs()->out(0).fpu_reg();
 
   const DRegister dq0 = EvenDRegisterOf(q);
 
   const DRegister dr0 = EvenDRegisterOf(r);
   const DRegister dr1 = OddDRegisterOf(r);
 
   // Set X.
   __ vcvtds(dr0, EvenSRegisterOf(dq0));
   // Set Y.
   __ vcvtds(dr1, OddSRegisterOf(dq0));
 }
 
 
-LocationSummary* Float64x2ZeroArgInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Float64x2ZeroArgInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
 
   if (representation() == kTagged) {
     ASSERT(op_kind() == MethodRecognizer::kFloat64x2GetSignMask);
     // Grabbing the S components means we need a low (< 7) Q.
     summary->set_in(0, Location::FpuRegisterLocation(Q6));
     summary->set_out(0, Location::RequiresRegister());
     summary->AddTemp(Location::RequiresRegister());
   } else {
     summary->set_in(0, Location::RequiresFpuRegister());
     summary->set_out(0, Location::RequiresFpuRegister());
@@ skipping 42 matching lines @@
       break;
     case MethodRecognizer::kFloat64x2Sqrt:
       __ vsqrtd(dresult0, dvalue0);
       __ vsqrtd(dresult1, dvalue1);
       break;
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* Float64x2OneArgInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Float64x2OneArgInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::SameAsFirstInput());
   return summary;
 }
 
 
 void Float64x2OneArgInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister left = locs()->in(0).fpu_reg();
   const DRegister left0 = EvenDRegisterOf(left);
@@ skipping 48 matching lines @@
       __ vmovd(left1, right1);
       __ Bind(&g1);
       break;
     }
     default: UNREACHABLE();
   }
 }
 
 
 LocationSummary* Int32x4BoolConstructorInstr::MakeLocationSummary(
-    bool opt) const {
+    Isolate* isolate, bool opt) const {
   const intptr_t kNumInputs = 4;
   const intptr_t kNumTemps = 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_in(1, Location::RequiresRegister());
   summary->set_in(2, Location::RequiresRegister());
   summary->set_in(3, Location::RequiresRegister());
   summary->set_temp(0, Location::RequiresRegister());
   // Low (< 7) Q register needed for the vmovsr instruction.
   summary->set_out(0, Location::FpuRegisterLocation(Q6));
   return summary;
 }
 
@@ skipping 22 matching lines @@
   __ vmovsr(sresult1, temp, EQ);
 
   __ CompareObject(v2, Bool::True());
   __ vmovsr(sresult2, temp, EQ);
 
   __ CompareObject(v3, Bool::True());
   __ vmovsr(sresult3, temp, EQ);
 }
 
 
-LocationSummary* Int32x4GetFlagInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Int32x4GetFlagInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   // Low (< 7) Q registers are needed for the vmovrs instruction.
   summary->set_in(0, Location::FpuRegisterLocation(Q6));
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
 
 void Int32x4GetFlagInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister value = locs()->in(0).fpu_reg();
   const Register result = locs()->out(0).reg();
@@ skipping 20 matching lines @@
       break;
     default: UNREACHABLE();
   }
 
   __ tst(result, ShifterOperand(result));
   __ LoadObject(result, Bool::True(), NE);
   __ LoadObject(result, Bool::False(), EQ);
 }
 
 
-LocationSummary* Int32x4SelectInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Int32x4SelectInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_in(2, Location::RequiresFpuRegister());
   summary->set_temp(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Int32x4SelectInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister mask = locs()->in(0).fpu_reg();
   const QRegister trueValue = locs()->in(1).fpu_reg();
   const QRegister falseValue = locs()->in(2).fpu_reg();
   const QRegister out = locs()->out(0).fpu_reg();
   const QRegister temp = locs()->temp(0).fpu_reg();
 
   // Copy mask.
   __ vmovq(temp, mask);
   // Invert it.
   __ vmvnq(temp, temp);
   // mask = mask & trueValue.
   __ vandq(mask, mask, trueValue);
   // temp = temp & falseValue.
   __ vandq(temp, temp, falseValue);
   // out = mask | temp.
   __ vorrq(out, mask, temp);
 }
 
 
-LocationSummary* Int32x4SetFlagInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* Int32x4SetFlagInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresRegister());
   // Low (< 7) Q register needed for the vmovsr instruction.
   summary->set_out(0, Location::FpuRegisterLocation(Q6));
   return summary;
 }
 
 
 void Int32x4SetFlagInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister mask = locs()->in(0).fpu_reg();
@@ skipping 25 matching lines @@
       __ vmovsr(sresult2, TMP);
       break;
     case MethodRecognizer::kInt32x4WithFlagW:
       __ vmovsr(sresult3, TMP);
       break;
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* Int32x4ToFloat32x4Instr::MakeLocationSummary(bool opt) const {
+LocationSummary* Int32x4ToFloat32x4Instr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void Int32x4ToFloat32x4Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister value = locs()->in(0).fpu_reg();
   const QRegister result = locs()->out(0).fpu_reg();
 
   if (value != result) {
     __ vmovq(result, value);
   }
 }
 
 
-LocationSummary* BinaryInt32x4OpInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* BinaryInt32x4OpInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void BinaryInt32x4OpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const QRegister left = locs()->in(0).fpu_reg();
   const QRegister right = locs()->in(1).fpu_reg();
@@ skipping 15 matching lines @@
       __ vaddqi(kWord, result, left, right);
       break;
     case Token::kSUB:
       __ vsubqi(kWord, result, left, right);
       break;
     default: UNREACHABLE();
   }
 }
 
 
-LocationSummary* MathUnaryInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* MathUnaryInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   if ((kind() == MathUnaryInstr::kSin) || (kind() == MathUnaryInstr::kCos)) {
     const intptr_t kNumInputs = 1;
     const intptr_t kNumTemps = 0;
-    LocationSummary* summary =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+    LocationSummary* summary = new(isolate) LocationSummary(
+        isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
     summary->set_in(0, Location::FpuRegisterLocation(Q0));
     summary->set_out(0, Location::FpuRegisterLocation(Q0));
     if (!TargetCPUFeatures::hardfp_supported()) {
       summary->AddTemp(Location::RegisterLocation(R0));
       summary->AddTemp(Location::RegisterLocation(R1));
       summary->AddTemp(Location::RegisterLocation(R2));
       summary->AddTemp(Location::RegisterLocation(R3));
     }
     return summary;
   }
   ASSERT((kind() == MathUnaryInstr::kSqrt) ||
          (kind() == MathUnaryInstr::kDoubleSquare));
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void MathUnaryInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   if (kind() == MathUnaryInstr::kSqrt) {
     const DRegister val = EvenDRegisterOf(locs()->in(0).fpu_reg());
     const DRegister result = EvenDRegisterOf(locs()->out(0).fpu_reg());
@@ skipping 14 matching lines @@
       __ vmovrrd(R0, R1, D0);
       __ vmovrrd(R2, R3, D1);
       __ CallRuntime(TargetFunction(), InputCount());
       __ vmovdrr(D0, R0, R1);
       __ vmovdrr(D1, R2, R3);
     }
   }
 }
 
 
-LocationSummary* MathMinMaxInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* MathMinMaxInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   if (result_cid() == kDoubleCid) {
     const intptr_t kNumInputs = 2;
     const intptr_t kNumTemps = 1;
-    LocationSummary* summary =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+    LocationSummary* summary = new(isolate) LocationSummary(
+        isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     summary->set_in(0, Location::RequiresFpuRegister());
     summary->set_in(1, Location::RequiresFpuRegister());
     // Reuse the left register so that code can be made shorter.
     summary->set_out(0, Location::SameAsFirstInput());
     summary->set_temp(0, Location::RequiresRegister());
     return summary;
   }
   ASSERT(result_cid() == kSmiCid);
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_in(1, Location::RequiresRegister());
   // Reuse the left register so that code can be made shorter.
   summary->set_out(0, Location::SameAsFirstInput());
   return summary;
 }
 
 
 void MathMinMaxInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT((op_kind() == MethodRecognizer::kMathMin) ||
@@ skipping 47 matching lines @@
   __ cmp(left, ShifterOperand(right));
   ASSERT(result == left);
   if (is_min) {
     __ mov(result, ShifterOperand(right), GT);
   } else {
     __ mov(result, ShifterOperand(right), LT);
   }
 }
 
 
-LocationSummary* UnarySmiOpInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* UnarySmiOpInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   // We make use of 3-operand instructions by not requiring result register
   // to be identical to first input register as on Intel.
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
 
 void UnarySmiOpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register value = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
   switch (op_kind()) {
     case Token::kNEGATE: {
       Label* deopt = compiler->AddDeoptStub(deopt_id(), ICData::kDeoptUnaryOp);
       __ rsbs(result, value, ShifterOperand(0));
       __ b(deopt, VS);
       break;
     }
     case Token::kBIT_NOT:
       __ mvn(result, ShifterOperand(value));
       // Remove inverted smi-tag.
       __ bic(result, result, ShifterOperand(kSmiTagMask));
       break;
     default:
       UNREACHABLE();
   }
 }
 
 
-LocationSummary* UnaryDoubleOpInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* UnaryDoubleOpInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
 
 void UnaryDoubleOpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const DRegister result = EvenDRegisterOf(locs()->out(0).fpu_reg());
   const DRegister value = EvenDRegisterOf(locs()->in(0).fpu_reg());
   __ vnegd(result, value);
 }
 
 
-LocationSummary* SmiToDoubleInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* SmiToDoubleInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* result =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* result = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   result->set_in(0, Location::WritableRegister());
   result->set_out(0, Location::RequiresFpuRegister());
   return result;
 }
 
 
 void SmiToDoubleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register value = locs()->in(0).reg();
   const DRegister result = EvenDRegisterOf(locs()->out(0).fpu_reg());
   __ SmiUntag(value);
   __ vmovsr(STMP, value);
   __ vcvtdi(result, STMP);
 }
 
 
-LocationSummary* DoubleToIntegerInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* DoubleToIntegerInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* result =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+  LocationSummary* result = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
   result->set_in(0, Location::RegisterLocation(R1));
   result->set_out(0, Location::RegisterLocation(R0));
   return result;
 }
 
 
 void DoubleToIntegerInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register result = locs()->out(0).reg();
   const Register value_obj = locs()->in(0).reg();
   ASSERT(result == R0);
@@ skipping 27 matching lines @@
   compiler->GenerateStaticCall(deopt_id(),
                                instance_call()->token_pos(),
                                target,
                                kNumberOfArguments,
                                Object::null_array(),  // No argument names.,
                                locs());
   __ Bind(&done);
 }
 
 
-LocationSummary* DoubleToSmiInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* DoubleToSmiInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* result = new LocationSummary(
-      kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* result = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   result->set_in(0, Location::RequiresFpuRegister());
   result->set_out(0, Location::RequiresRegister());
   return result;
 }
 
 
 void DoubleToSmiInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   Label* deopt = compiler->AddDeoptStub(deopt_id(), ICData::kDeoptDoubleToSmi);
   const Register result = locs()->out(0).reg();
   const DRegister value = EvenDRegisterOf(locs()->in(0).fpu_reg());
   // First check for NaN. Checking for minint after the conversion doesn't work
   // on ARM because vcvtid gives 0 for NaN.
   __ vcmpd(value, value);
   __ vmstat();
   __ b(deopt, VS);
 
   __ vcvtid(STMP, value);
   __ vmovrs(result, STMP);
   // Check for overflow and that it fits into Smi.
   __ CompareImmediate(result, 0xC0000000);
   __ b(deopt, MI);
   __ SmiTag(result);
 }
 
 
-LocationSummary* DoubleToDoubleInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* DoubleToDoubleInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   UNIMPLEMENTED();
   return NULL;
 }
 
 
 void DoubleToDoubleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   UNIMPLEMENTED();
 }
 
 
-LocationSummary* DoubleToFloatInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* DoubleToFloatInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* result =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* result = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   // Low (<= Q7) Q registers are needed for the conversion instructions.
   result->set_in(0, Location::RequiresFpuRegister());
   result->set_out(0, Location::FpuRegisterLocation(Q7));
   return result;
 }
 
 
 void DoubleToFloatInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const DRegister value = EvenDRegisterOf(locs()->in(0).fpu_reg());
   const SRegister result =
       EvenSRegisterOf(EvenDRegisterOf(locs()->out(0).fpu_reg()));
   __ vcvtsd(result, value);
 }
 
 
-LocationSummary* FloatToDoubleInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* FloatToDoubleInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* result =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* result = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   // Low (<= Q7) Q registers are needed for the conversion instructions.
   result->set_in(0, Location::FpuRegisterLocation(Q7));
   result->set_out(0, Location::RequiresFpuRegister());
   return result;
 }
 
 
 void FloatToDoubleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const SRegister value =
       EvenSRegisterOf(EvenDRegisterOf(locs()->in(0).fpu_reg()));
   const DRegister result = EvenDRegisterOf(locs()->out(0).fpu_reg());
   __ vcvtds(result, value);
 }
 
 
-LocationSummary* InvokeMathCFunctionInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* InvokeMathCFunctionInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   ASSERT((InputCount() == 1) || (InputCount() == 2));
   const intptr_t kNumTemps = 0;
-  LocationSummary* result =
-      new LocationSummary(InputCount(), kNumTemps, LocationSummary::kCall);
+  LocationSummary* result = new(isolate) LocationSummary(
+      isolate, InputCount(), kNumTemps, LocationSummary::kCall);
   result->set_in(0, Location::FpuRegisterLocation(Q0));
   if (InputCount() == 2) {
     result->set_in(1, Location::FpuRegisterLocation(Q1));
   }
   if (recognized_kind() == MethodRecognizer::kMathDoublePow) {
     result->AddTemp(Location::RegisterLocation(R2));
   }
   if (!TargetCPUFeatures::hardfp_supported()) {
     result->AddTemp(Location::RegisterLocation(R0));
     result->AddTemp(Location::RegisterLocation(R1));
@@ skipping 158 matching lines @@
     // registers.
     __ vmovrrd(R0, R1, D0);
     __ vmovrrd(R2, R3, D1);
     __ CallRuntime(TargetFunction(), InputCount());
     __ vmovdrr(D0, R0, R1);
     __ vmovdrr(D1, R2, R3);
   }
 }
 
 
-LocationSummary* ExtractNthOutputInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* ExtractNthOutputInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   // Only use this instruction in optimized code.
   ASSERT(opt);
   const intptr_t kNumInputs = 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, 0, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, 0, LocationSummary::kNoCall);
   if (representation() == kUnboxedDouble) {
     if (index() == 0) {
       summary->set_in(0, Location::Pair(Location::RequiresFpuRegister(),
                                         Location::Any()));
     } else {
       ASSERT(index() == 1);
       summary->set_in(0, Location::Pair(Location::Any(),
                                         Location::RequiresFpuRegister()));
     }
     summary->set_out(0, Location::RequiresFpuRegister());
@@ skipping 23 matching lines @@
     __ vmovq(out, in);
   } else {
     ASSERT(representation() == kTagged);
     const Register out = locs()->out(0).reg();
     const Register in = in_loc.reg();
     __ mov(out, ShifterOperand(in));
   }
 }
 
 
-LocationSummary* MergedMathInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* MergedMathInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   if (kind() == MergedMathInstr::kTruncDivMod) {
     const intptr_t kNumInputs = 2;
     const intptr_t kNumTemps = 2;
-    LocationSummary* summary =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+    LocationSummary* summary = new(isolate) LocationSummary(
+        isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     summary->set_in(0, Location::RequiresRegister());
     summary->set_in(1, Location::RequiresRegister());
     summary->set_temp(0, Location::RequiresRegister());
     summary->set_temp(1, Location::RequiresFpuRegister());
     // Output is a pair of registers.
     summary->set_out(0, Location::Pair(Location::RequiresRegister(),
                                        Location::RequiresRegister()));
     return summary;
   }
   UNIMPLEMENTED();
@@ skipping 57 matching lines @@
     return;
   }
   if (kind() == MergedMathInstr::kSinCos) {
     UNIMPLEMENTED();
   }
   UNIMPLEMENTED();
 }
 
 
 LocationSummary* PolymorphicInstanceCallInstr::MakeLocationSummary(
-    bool opt) const {
+    Isolate* isolate, bool opt) const {
   return MakeCallSummary();
 }
 
 
 void PolymorphicInstanceCallInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   Label* deopt = compiler->AddDeoptStub(
       deopt_id(), ICData::kDeoptPolymorphicInstanceCallTestFail);
   if (ic_data().NumberOfChecks() == 0) {
     __ b(deopt);
     return;
@@ skipping 22 matching lines @@
                             R2,  // Class id register.
                             instance_call()->ArgumentCount(),
                             instance_call()->argument_names(),
                             deopt,
                             deopt_id(),
                             instance_call()->token_pos(),
                             locs());
 }
 
 
-LocationSummary* BranchInstr::MakeLocationSummary(bool opt) const {
-  comparison()->InitializeLocationSummary(opt);
+LocationSummary* BranchInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
+  comparison()->InitializeLocationSummary(isolate, opt);
   // Branches don't produce a result.
   comparison()->locs()->set_out(0, Location::NoLocation());
   return comparison()->locs();
 }
 
 
 void BranchInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   comparison()->EmitBranchCode(compiler, this);
 }
 
 
-LocationSummary* CheckClassInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* CheckClassInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   if (!IsNullCheck()) {
     summary->AddTemp(Location::RequiresRegister());
   }
   return summary;
 }
 
 
 void CheckClassInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const ICData::DeoptReasonId deopt_reason = licm_hoisted_ ?
@@ skipping 29 matching lines @@
     if (i == (num_checks - 1)) {
       __ b(deopt, NE);
     } else {
       __ b(&is_ok, EQ);
     }
   }
   __ Bind(&is_ok);
 }
 
 
-LocationSummary* CheckSmiInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* CheckSmiInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   return summary;
 }
 
 
 void CheckSmiInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register value = locs()->in(0).reg();
   Label* deopt = compiler->AddDeoptStub(deopt_id(), ICData::kDeoptCheckSmi);
   __ tst(value, ShifterOperand(kSmiTagMask));
   __ b(deopt, NE);
 }
 
 
-LocationSummary* CheckArrayBoundInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* CheckArrayBoundInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(kLengthPos, Location::RegisterOrSmiConstant(length()));
   locs->set_in(kIndexPos, Location::RegisterOrSmiConstant(index()));
   return locs;
 }
 
 
 void CheckArrayBoundInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   Label* deopt = compiler->AddDeoptStub(deopt_id(),
                                         ICData::kDeoptCheckArrayBound);
 
@@ skipping 43 matching lines @@
   __ b(overflow, HI);
 
   __ Bind(&check_lower);
   __ CompareImmediate(result_hi, -0x00200000);
   __ b(overflow, LT);
   // Anything in the lower part would make the number bigger than the lower
   // bound, so we are done.
 }
 
 
-LocationSummary* UnboxIntegerInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* UnboxIntegerInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_temp(0, Location::RequiresRegister());
   summary->set_out(0,  Location::Pair(Location::RequiresRegister(),
                                       Location::RequiresRegister()));
   return summary;
 }
 
 
 void UnboxIntegerInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const intptr_t value_cid = value()->Type()->ToCid();
@@ skipping 51 matching lines @@
     __ mov(result_lo, ShifterOperand(value));
     // Untag.
     __ SmiUntag(result_lo);
     // Sign extend result_lo into result_hi.
     __ SignFill(result_hi, result_lo);
     __ Bind(&done);
   }
 }
 
 
-LocationSummary* BoxIntegerInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* BoxIntegerInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs,
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs,
                           kNumTemps,
                           LocationSummary::kCallOnSlowPath);
   summary->set_in(0, Location::Pair(Location::RequiresRegister(),
                                     Location::RequiresRegister()));
   summary->set_temp(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
 
@@ skipping 81 matching lines @@
                    out_reg,
                    Mint::value_offset() - kHeapObjectTag);
   __ StoreToOffset(kWord,
                    value_hi,
                    out_reg,
                    Mint::value_offset() - kHeapObjectTag + kWordSize);
   __ Bind(&done);
 }
 
 
-LocationSummary* BinaryMintOpInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* BinaryMintOpInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::Pair(Location::RequiresRegister(),
                                     Location::RequiresRegister()));
   summary->set_in(1, Location::Pair(Location::RequiresRegister(),
                                     Location::RequiresRegister()));
   summary->set_out(0, Location::Pair(Location::RequiresRegister(),
                                      Location::RequiresRegister()));
   return summary;
 }
 
 
@@ skipping 48 matching lines @@
     default:
       UNREACHABLE();
     break;
   }
   if (FLAG_throw_on_javascript_int_overflow) {
     EmitJavascriptIntOverflowCheck(compiler, deopt, out_lo, out_hi);
   }
 }
 
 
-LocationSummary* ShiftMintOpInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* ShiftMintOpInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 1;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::Pair(Location::RequiresRegister(),
                                     Location::RequiresRegister()));
   summary->set_in(1, Location::WritableRegister());
   summary->set_temp(0, Location::RequiresRegister());
   summary->set_out(0, Location::Pair(Location::RequiresRegister(),
                                      Location::RequiresRegister()));
   return summary;
 }
 
 
@@ skipping 66 matching lines @@
       break;
   }
 
   __ Bind(&done);
   if (FLAG_throw_on_javascript_int_overflow) {
     EmitJavascriptIntOverflowCheck(compiler, deopt, out_lo, out_hi);
   }
 }
 
 
-LocationSummary* UnaryMintOpInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* UnaryMintOpInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
-  LocationSummary* summary =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* summary = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::Pair(Location::RequiresRegister(),
                                     Location::RequiresRegister()));
   summary->set_out(0, Location::Pair(Location::RequiresRegister(),
                                      Location::RequiresRegister()));
   return summary;
 }
 
 
 void UnaryMintOpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(op_kind() == Token::kBIT_NOT);
@@ skipping 11 matching lines @@
     deopt = compiler->AddDeoptStub(deopt_id(), ICData::kDeoptUnaryMintOp);
   }
   __ mvn(out_lo, ShifterOperand(left_lo));
   __ mvn(out_hi, ShifterOperand(left_hi));
   if (FLAG_throw_on_javascript_int_overflow) {
     EmitJavascriptIntOverflowCheck(compiler, deopt, out_lo, out_hi);
   }
 }
 
 
-LocationSummary* ThrowInstr::MakeLocationSummary(bool opt) const {
-  return new LocationSummary(0, 0, LocationSummary::kCall);
+LocationSummary* ThrowInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
+  return new(isolate) LocationSummary(isolate, 0, 0, LocationSummary::kCall);
 }
 
 
 void ThrowInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   compiler->GenerateRuntimeCall(token_pos(),
                                 deopt_id(),
                                 kThrowRuntimeEntry,
                                 1,
                                 locs());
   __ bkpt(0);
 }
 
 
-LocationSummary* ReThrowInstr::MakeLocationSummary(bool opt) const {
-  return new LocationSummary(0, 0, LocationSummary::kCall);
+LocationSummary* ReThrowInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
+  return new(isolate) LocationSummary(isolate, 0, 0, LocationSummary::kCall);
 }
 
 
 void ReThrowInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   compiler->SetNeedsStacktrace(catch_try_index());
   compiler->GenerateRuntimeCall(token_pos(),
                                 deopt_id(),
                                 kReThrowRuntimeEntry,
                                 2,
                                 locs());
@@ skipping 19 matching lines @@
     compiler->AddCurrentDescriptor(PcDescriptors::kDeopt,
                                    deopt_id_,
                                    Scanner::kNoSourcePos);
   }
   if (HasParallelMove()) {
     compiler->parallel_move_resolver()->EmitNativeCode(parallel_move());
   }
 }
 
 
-LocationSummary* GotoInstr::MakeLocationSummary(bool opt) const {
-  return new LocationSummary(0, 0, LocationSummary::kNoCall);
+LocationSummary* GotoInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
+  return new(isolate) LocationSummary(isolate, 0, 0, LocationSummary::kNoCall);
 }
 
 
 void GotoInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   if (!compiler->is_optimizing()) {
     compiler->EmitEdgeCounter();
     // Add a deoptimization descriptor for deoptimizing instructions that
     // may be inserted before this instruction.  On ARM this descriptor
     // points after the edge counter code so that we can reuse the same
     // pattern matching code as at call sites, which matches backwards from
     // the end of the pattern.
     compiler->AddCurrentDescriptor(PcDescriptors::kDeopt,
                                    GetDeoptId(),
                                    Scanner::kNoSourcePos);
   }
   if (HasParallelMove()) {
     compiler->parallel_move_resolver()->EmitNativeCode(parallel_move());
   }
 
   // We can fall through if the successor is the next block in the list.
   // Otherwise, we need a jump.
   if (!compiler->CanFallThroughTo(successor())) {
     __ b(compiler->GetJumpLabel(successor()));
   }
 }
 
 
-LocationSummary* CurrentContextInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* CurrentContextInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   return LocationSummary::Make(0,
                                Location::RequiresRegister(),
                                LocationSummary::kNoCall);
 }
 
 
 void CurrentContextInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   __ mov(locs()->out(0).reg(), ShifterOperand(CTX));
 }
 
 
-LocationSummary* StrictCompareInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* StrictCompareInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   if (needs_number_check()) {
-    LocationSummary* locs =
-        new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kCall);
+    LocationSummary* locs = new(isolate) LocationSummary(
+        isolate, kNumInputs, kNumTemps, LocationSummary::kCall);
     locs->set_in(0, Location::RegisterLocation(R0));
     locs->set_in(1, Location::RegisterLocation(R1));
     locs->set_out(0, Location::RegisterLocation(R0));
     return locs;
   }
-  LocationSummary* locs =
-      new LocationSummary(kNumInputs, kNumTemps, LocationSummary::kNoCall);
+  LocationSummary* locs = new(isolate) LocationSummary(
+      isolate, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::RegisterOrConstant(left()));
   // Only one of the inputs can be a constant. Choose register if the first one
   // is a constant.
   locs->set_in(1, locs->in(0).IsConstant()
                       ? Location::RequiresRegister()
                       : Location::RegisterOrConstant(right()));
   locs->set_out(0, Location::RequiresRegister());
   return locs;
 }
 
@@ skipping 40 matching lines @@
 void StrictCompareInstr::EmitBranchCode(FlowGraphCompiler* compiler,
                                         BranchInstr* branch) {
   ASSERT(kind() == Token::kEQ_STRICT || kind() == Token::kNE_STRICT);
 
   BranchLabels labels = compiler->CreateBranchLabels(branch);
   Condition true_condition = EmitComparisonCode(compiler, labels);
   EmitBranchOnCondition(compiler, true_condition, labels);
 }
 
 
-LocationSummary* BooleanNegateInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* BooleanNegateInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   return LocationSummary::Make(1,
                                Location::RequiresRegister(),
                                LocationSummary::kNoCall);
 }
 
 
 void BooleanNegateInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register value = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
 
   __ LoadObject(result, Bool::True());
   __ cmp(result, ShifterOperand(value));
   __ LoadObject(result, Bool::False(), EQ);
 }
 
 
-LocationSummary* AllocateObjectInstr::MakeLocationSummary(bool opt) const {
+LocationSummary* AllocateObjectInstr::MakeLocationSummary(Isolate* isolate,
+                                                         bool opt) const {
   return MakeCallSummary();
 }
 
 
 void AllocateObjectInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Code& stub = Code::Handle(StubCode::GetAllocationStubForClass(cls()));
   const ExternalLabel label(cls().ToCString(), stub.EntryPoint());
   compiler->GenerateCall(token_pos(),
                          &label,
                          PcDescriptors::kOther,
                          locs());
   __ Drop(ArgumentCount());  // Discard arguments.
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM