| Index: test/cctest/compiler/test-run-machops.cc | 
| diff --git a/test/cctest/compiler/test-run-machops.cc b/test/cctest/compiler/test-run-machops.cc | 
| index 117bbd8d9ac4e71347d1d67ce573244b232432f7..368f5e3687000db43c51966bf6817aa3a4214815 100644 | 
| --- a/test/cctest/compiler/test-run-machops.cc | 
| +++ b/test/cctest/compiler/test-run-machops.cc | 
| @@ -24,11 +24,6 @@ using namespace v8::internal::compiler; | 
| typedef RawMachineAssembler::Label MLabel; | 
|  | 
|  | 
| -StoreRepresentation StoreRepForType(MachineType type) { | 
| -  return StoreRepresentation(type, kNoWriteBarrier); | 
| -} | 
| - | 
| - | 
| TEST(RunInt32Add) { | 
| RawMachineAssemblerTester<int32_t> m; | 
| Node* add = m.Int32Add(m.Int32Constant(0), m.Int32Constant(1)); | 
| @@ -808,8 +803,8 @@ TEST(RunLoadStoreFloat32Offset) { | 
| // generate load [#base + #index] | 
| Node* load = | 
| m.Load(kMachFloat32, m.PointerConstant(from), m.IntPtrConstant(offset)); | 
| -    m.Store(StoreRepresentation(kMachFloat32, kNoWriteBarrier), | 
| -            m.PointerConstant(to), m.IntPtrConstant(offset), load); | 
| +    m.Store(kMachFloat32, m.PointerConstant(to), m.IntPtrConstant(offset), load, | 
| +            kNoWriteBarrier); | 
| m.Return(m.Int32Constant(magic)); | 
|  | 
| FOR_FLOAT32_INPUTS(j) { | 
| @@ -835,8 +830,8 @@ TEST(RunLoadStoreFloat64Offset) { | 
| // generate load [#base + #index] | 
| Node* load = | 
| m.Load(kMachFloat64, m.PointerConstant(from), m.IntPtrConstant(offset)); | 
| -    m.Store(StoreRepresentation(kMachFloat64, kNoWriteBarrier), | 
| -            m.PointerConstant(to), m.IntPtrConstant(offset), load); | 
| +    m.Store(kMachFloat64, m.PointerConstant(to), m.IntPtrConstant(offset), load, | 
| +            kNoWriteBarrier); | 
| m.Return(m.Int32Constant(magic)); | 
|  | 
| FOR_FLOAT64_INPUTS(j) { | 
| @@ -3217,8 +3212,7 @@ static void RunLoadStore(MachineType rep) { | 
| Node* index0 = m.IntPtrConstant(x * sizeof(buffer[0])); | 
| Node* load = m.Load(rep, base, index0); | 
| Node* index1 = m.IntPtrConstant(y * sizeof(buffer[0])); | 
| -    StoreRepresentation store_rep(rep, kNoWriteBarrier); | 
| -    m.Store(StoreRepForType(rep), base, index1, load); | 
| +    m.Store(rep, base, index1, load, kNoWriteBarrier); | 
| m.Return(m.Int32Constant(OK)); | 
|  | 
| CHECK(buffer[x] != buffer[y]); | 
| @@ -3269,7 +3263,7 @@ TEST(RunFloat32Binop) { | 
| Node* binop = m.AddNode(ops[i], a, b); | 
| Node* base = m.PointerConstant(&result); | 
| Node* zero = m.IntPtrConstant(0); | 
| -      m.Store(StoreRepForType(kMachFloat32), base, zero, binop); | 
| +      m.Store(kMachFloat32, base, zero, binop, kNoWriteBarrier); | 
| m.Return(m.Int32Constant(i + j)); | 
| CHECK_EQ(i + j, m.Call()); | 
| } | 
| @@ -3305,7 +3299,7 @@ TEST(RunFloat64Binop) { | 
| Node* binop = m.AddNode(ops[i], a, b); | 
| Node* base = m.PointerConstant(&result); | 
| Node* zero = m.Int32Constant(0); | 
| -      m.Store(StoreRepForType(kMachFloat64), base, zero, binop); | 
| +      m.Store(kMachFloat64, base, zero, binop, kNoWriteBarrier); | 
| m.Return(m.Int32Constant(i + j)); | 
| CHECK_EQ(i + j, m.Call()); | 
| } | 
| @@ -3400,7 +3394,7 @@ TEST(RunFloat32SubImm1) { | 
| RawMachineAssemblerTester<int32_t> m; | 
| Node* t0 = m.LoadFromPointer(&input, kMachFloat32); | 
| Node* t1 = m.Float32Sub(m.Float32Constant(*i), t0); | 
| -    m.StoreToPointer(&output, StoreRepForType(kMachFloat32), t1); | 
| +    m.StoreToPointer(&output, kMachFloat32, t1); | 
| m.Return(m.Int32Constant(0)); | 
| FOR_FLOAT32_INPUTS(j) { | 
| input = *j; | 
| @@ -3420,7 +3414,7 @@ TEST(RunFloat32SubImm2) { | 
| RawMachineAssemblerTester<int32_t> m; | 
| Node* t0 = m.LoadFromPointer(&input, kMachFloat32); | 
| Node* t1 = m.Float32Sub(t0, m.Float32Constant(*i)); | 
| -    m.StoreToPointer(&output, StoreRepForType(kMachFloat32), t1); | 
| +    m.StoreToPointer(&output, kMachFloat32, t1); | 
| m.Return(m.Int32Constant(0)); | 
| FOR_FLOAT32_INPUTS(j) { | 
| input = *j; | 
| @@ -3455,7 +3449,7 @@ TEST(RunFloat64SubImm1) { | 
| RawMachineAssemblerTester<int32_t> m; | 
| Node* t0 = m.LoadFromPointer(&input, kMachFloat64); | 
| Node* t1 = m.Float64Sub(m.Float64Constant(*i), t0); | 
| -    m.StoreToPointer(&output, StoreRepForType(kMachFloat64), t1); | 
| +    m.StoreToPointer(&output, kMachFloat64, t1); | 
| m.Return(m.Int32Constant(0)); | 
| FOR_FLOAT64_INPUTS(j) { | 
| input = *j; | 
| @@ -3475,7 +3469,7 @@ TEST(RunFloat64SubImm2) { | 
| RawMachineAssemblerTester<int32_t> m; | 
| Node* t0 = m.LoadFromPointer(&input, kMachFloat64); | 
| Node* t1 = m.Float64Sub(t0, m.Float64Constant(*i)); | 
| -    m.StoreToPointer(&output, StoreRepForType(kMachFloat64), t1); | 
| +    m.StoreToPointer(&output, kMachFloat64, t1); | 
| m.Return(m.Int32Constant(0)); | 
| FOR_FLOAT64_INPUTS(j) { | 
| input = *j; | 
| @@ -3528,7 +3522,7 @@ TEST(RunFloat64MulAndFloat64AddP) { | 
| Node* a = m.LoadFromPointer(&input_a, kMachFloat64); | 
| Node* b = m.LoadFromPointer(&input_b, kMachFloat64); | 
| Node* c = m.LoadFromPointer(&input_c, kMachFloat64); | 
| -    m.StoreToPointer(&output, StoreRepForType(kMachFloat64), | 
| +    m.StoreToPointer(&output, kMachFloat64, | 
| m.Float64Add(m.Float64Mul(a, b), c)); | 
| m.Return(m.Int32Constant(0)); | 
| FOR_FLOAT64_INPUTS(i) { | 
| @@ -3550,7 +3544,7 @@ TEST(RunFloat64MulAndFloat64AddP) { | 
| Node* a = m.LoadFromPointer(&input_a, kMachFloat64); | 
| Node* b = m.LoadFromPointer(&input_b, kMachFloat64); | 
| Node* c = m.LoadFromPointer(&input_c, kMachFloat64); | 
| -    m.StoreToPointer(&output, StoreRepForType(kMachFloat64), | 
| +    m.StoreToPointer(&output, kMachFloat64, | 
| m.Float64Add(a, m.Float64Mul(b, c))); | 
| m.Return(m.Int32Constant(0)); | 
| FOR_FLOAT64_INPUTS(i) { | 
| @@ -3580,8 +3574,7 @@ TEST(RunFloat64MulAndFloat64SubP) { | 
| Node* a = m.LoadFromPointer(&input_a, kMachFloat64); | 
| Node* b = m.LoadFromPointer(&input_b, kMachFloat64); | 
| Node* c = m.LoadFromPointer(&input_c, kMachFloat64); | 
| -  m.StoreToPointer(&output, StoreRepForType(kMachFloat64), | 
| -                   m.Float64Sub(a, m.Float64Mul(b, c))); | 
| +  m.StoreToPointer(&output, kMachFloat64, m.Float64Sub(a, m.Float64Mul(b, c))); | 
| m.Return(m.Int32Constant(0)); | 
|  | 
| FOR_FLOAT64_INPUTS(i) { | 
| @@ -3609,7 +3602,7 @@ TEST(RunFloat64MulImm) { | 
| RawMachineAssemblerTester<int32_t> m; | 
| Node* t0 = m.LoadFromPointer(&input, kMachFloat64); | 
| Node* t1 = m.Float64Mul(m.Float64Constant(*i), t0); | 
| -      m.StoreToPointer(&output, StoreRepForType(kMachFloat64), t1); | 
| +      m.StoreToPointer(&output, kMachFloat64, t1); | 
| m.Return(m.Int32Constant(0)); | 
| FOR_FLOAT64_INPUTS(j) { | 
| input = *j; | 
| @@ -3624,7 +3617,7 @@ TEST(RunFloat64MulImm) { | 
| RawMachineAssemblerTester<int32_t> m; | 
| Node* t0 = m.LoadFromPointer(&input, kMachFloat64); | 
| Node* t1 = m.Float64Mul(t0, m.Float64Constant(*i)); | 
| -      m.StoreToPointer(&output, StoreRepForType(kMachFloat64), t1); | 
| +      m.StoreToPointer(&output, kMachFloat64, t1); | 
| m.Return(m.Int32Constant(0)); | 
| FOR_FLOAT64_INPUTS(j) { | 
| input = *j; | 
| @@ -3689,8 +3682,8 @@ TEST(RunChangeInt32ToFloat64_A) { | 
| double result = 0; | 
|  | 
| Node* convert = m.ChangeInt32ToFloat64(m.Int32Constant(magic)); | 
| -  m.Store(StoreRepForType(kMachFloat64), m.PointerConstant(&result), | 
| -          m.Int32Constant(0), convert); | 
| +  m.Store(kMachFloat64, m.PointerConstant(&result), m.Int32Constant(0), convert, | 
| +          kNoWriteBarrier); | 
| m.Return(m.Int32Constant(magic)); | 
|  | 
| CHECK_EQ(magic, m.Call()); | 
| @@ -3703,8 +3696,8 @@ TEST(RunChangeInt32ToFloat64_B) { | 
| double output = 0; | 
|  | 
| Node* convert = m.ChangeInt32ToFloat64(m.Parameter(0)); | 
| -  m.Store(StoreRepForType(kMachFloat64), m.PointerConstant(&output), | 
| -          m.Int32Constant(0), convert); | 
| +  m.Store(kMachFloat64, m.PointerConstant(&output), m.Int32Constant(0), convert, | 
| +          kNoWriteBarrier); | 
| m.Return(m.Parameter(0)); | 
|  | 
| FOR_INT32_INPUTS(i) { | 
| @@ -3720,8 +3713,8 @@ TEST(RunChangeUint32ToFloat64_B) { | 
| double output = 0; | 
|  | 
| Node* convert = m.ChangeUint32ToFloat64(m.Parameter(0)); | 
| -  m.Store(StoreRepForType(kMachFloat64), m.PointerConstant(&output), | 
| -          m.Int32Constant(0), convert); | 
| +  m.Store(kMachFloat64, m.PointerConstant(&output), m.Int32Constant(0), convert, | 
| +          kNoWriteBarrier); | 
| m.Return(m.Parameter(0)); | 
|  | 
| FOR_UINT32_INPUTS(i) { | 
| @@ -3746,8 +3739,8 @@ TEST(RunChangeUint32ToFloat64_spilled) { | 
| } | 
|  | 
| for (int i = 0; i < kNumInputs; i++) { | 
| -    m.Store(StoreRepForType(kMachFloat64), m.PointerConstant(&result), | 
| -            m.Int32Constant(i * 8), m.ChangeUint32ToFloat64(input_node[i])); | 
| +    m.Store(kMachFloat64, m.PointerConstant(&result), m.Int32Constant(i * 8), | 
| +            m.ChangeUint32ToFloat64(input_node[i]), kNoWriteBarrier); | 
| } | 
|  | 
| m.Return(m.Int32Constant(magic)); | 
| @@ -3770,8 +3763,8 @@ TEST(RunChangeFloat64ToInt32_A) { | 
| double input = 11.1; | 
| int32_t result = 0; | 
|  | 
| -  m.Store(StoreRepForType(kMachInt32), m.PointerConstant(&result), | 
| -          m.Int32Constant(0), m.ChangeFloat64ToInt32(m.Float64Constant(input))); | 
| +  m.Store(kMachInt32, m.PointerConstant(&result), m.Int32Constant(0), | 
| +          m.ChangeFloat64ToInt32(m.Float64Constant(input)), kNoWriteBarrier); | 
| m.Return(m.Int32Constant(magic)); | 
|  | 
| CHECK_EQ(magic, m.Call()); | 
| @@ -3787,8 +3780,8 @@ TEST(RunChangeFloat64ToInt32_B) { | 
| Node* load = | 
| m.Load(kMachFloat64, m.PointerConstant(&input), m.Int32Constant(0)); | 
| Node* convert = m.ChangeFloat64ToInt32(load); | 
| -  m.Store(StoreRepForType(kMachInt32), m.PointerConstant(&output), | 
| -          m.Int32Constant(0), convert); | 
| +  m.Store(kMachInt32, m.PointerConstant(&output), m.Int32Constant(0), convert, | 
| +          kNoWriteBarrier); | 
| m.Return(convert); | 
|  | 
| { | 
| @@ -3829,8 +3822,8 @@ TEST(RunChangeFloat64ToUint32_B) { | 
| Node* load = | 
| m.Load(kMachFloat64, m.PointerConstant(&input), m.Int32Constant(0)); | 
| Node* convert = m.ChangeFloat64ToUint32(load); | 
| -  m.Store(StoreRepForType(kMachInt32), m.PointerConstant(&output), | 
| -          m.Int32Constant(0), convert); | 
| +  m.Store(kMachInt32, m.PointerConstant(&output), m.Int32Constant(0), convert, | 
| +          kNoWriteBarrier); | 
| m.Return(convert); | 
|  | 
| { | 
| @@ -3878,8 +3871,8 @@ TEST(RunChangeFloat64ToInt32_spilled) { | 
| } | 
|  | 
| for (int i = 0; i < kNumInputs; i++) { | 
| -    m.Store(StoreRepForType(kMachInt32), m.PointerConstant(&result), | 
| -            m.Int32Constant(i * 4), m.ChangeFloat64ToInt32(input_node[i])); | 
| +    m.Store(kMachInt32, m.PointerConstant(&result), m.Int32Constant(i * 4), | 
| +            m.ChangeFloat64ToInt32(input_node[i]), kNoWriteBarrier); | 
| } | 
|  | 
| m.Return(m.Int32Constant(magic)); | 
| @@ -3910,8 +3903,8 @@ TEST(RunChangeFloat64ToUint32_spilled) { | 
| } | 
|  | 
| for (int i = 0; i < kNumInputs; i++) { | 
| -    m.Store(StoreRepForType(kMachUint32), m.PointerConstant(&result), | 
| -            m.Int32Constant(i * 4), m.ChangeFloat64ToUint32(input_node[i])); | 
| +    m.Store(kMachUint32, m.PointerConstant(&result), m.Int32Constant(i * 4), | 
| +            m.ChangeFloat64ToUint32(input_node[i]), kNoWriteBarrier); | 
| } | 
|  | 
| m.Return(m.Int32Constant(magic)); | 
| @@ -3950,8 +3943,8 @@ TEST(RunTruncateFloat64ToFloat32_spilled) { | 
| } | 
|  | 
| for (int i = 0; i < kNumInputs; i++) { | 
| -    m.Store(StoreRepForType(kMachFloat32), m.PointerConstant(&result), | 
| -            m.Int32Constant(i * 4), m.TruncateFloat64ToFloat32(input_node[i])); | 
| +    m.Store(kMachFloat32, m.PointerConstant(&result), m.Int32Constant(i * 4), | 
| +            m.TruncateFloat64ToFloat32(input_node[i]), kNoWriteBarrier); | 
| } | 
|  | 
| m.Return(m.Int32Constant(magic)); | 
| @@ -4026,8 +4019,8 @@ TEST(RunFloatDiamond) { | 
| m.Goto(&end); | 
| m.Bind(&end); | 
| Node* phi = m.Phi(kMachFloat32, k2, k1); | 
| -  m.Store(StoreRepForType(kMachFloat32), m.PointerConstant(&buffer), | 
| -          m.IntPtrConstant(0), phi); | 
| +  m.Store(kMachFloat32, m.PointerConstant(&buffer), m.IntPtrConstant(0), phi, | 
| +          kNoWriteBarrier); | 
| m.Return(m.Int32Constant(magic)); | 
|  | 
| CHECK_EQ(magic, m.Call()); | 
| @@ -4052,8 +4045,8 @@ TEST(RunDoubleDiamond) { | 
| m.Goto(&end); | 
| m.Bind(&end); | 
| Node* phi = m.Phi(kMachFloat64, k2, k1); | 
| -  m.Store(StoreRepForType(kMachFloat64), m.PointerConstant(&buffer), | 
| -          m.Int32Constant(0), phi); | 
| +  m.Store(kMachFloat64, m.PointerConstant(&buffer), m.Int32Constant(0), phi, | 
| +          kNoWriteBarrier); | 
| m.Return(m.Int32Constant(magic)); | 
|  | 
| CHECK_EQ(magic, m.Call()); | 
| @@ -4079,8 +4072,8 @@ TEST(RunRefDiamond) { | 
| m.Goto(&end); | 
| m.Bind(&end); | 
| Node* phi = m.Phi(kMachAnyTagged, k2, k1); | 
| -  m.Store(StoreRepForType(kMachAnyTagged), m.PointerConstant(&buffer), | 
| -          m.Int32Constant(0), phi); | 
| +  m.Store(kMachAnyTagged, m.PointerConstant(&buffer), m.Int32Constant(0), phi, | 
| +          kNoWriteBarrier); | 
| m.Return(m.Int32Constant(magic)); | 
|  | 
| CHECK_EQ(magic, m.Call()); | 
| @@ -4111,10 +4104,10 @@ TEST(RunDoubleRefDiamond) { | 
| m.Bind(&end); | 
| Node* dphi = m.Phi(kMachFloat64, d2, d1); | 
| Node* rphi = m.Phi(kMachAnyTagged, r2, r1); | 
| -  m.Store(StoreRepForType(kMachFloat64), m.PointerConstant(&dbuffer), | 
| -          m.Int32Constant(0), dphi); | 
| -  m.Store(StoreRepForType(kMachAnyTagged), m.PointerConstant(&rbuffer), | 
| -          m.Int32Constant(0), rphi); | 
| +  m.Store(kMachFloat64, m.PointerConstant(&dbuffer), m.Int32Constant(0), dphi, | 
| +          kNoWriteBarrier); | 
| +  m.Store(kMachAnyTagged, m.PointerConstant(&rbuffer), m.Int32Constant(0), rphi, | 
| +          kNoWriteBarrier); | 
| m.Return(m.Int32Constant(magic)); | 
|  | 
| CHECK_EQ(magic, m.Call()); | 
| @@ -4156,10 +4149,10 @@ TEST(RunDoubleRefDoubleDiamond) { | 
| Node* dphi2 = m.Phi(kMachFloat64, d1, dphi1); | 
| Node* rphi2 = m.Phi(kMachAnyTagged, r1, rphi1); | 
|  | 
| -  m.Store(StoreRepForType(kMachFloat64), m.PointerConstant(&dbuffer), | 
| -          m.Int32Constant(0), dphi2); | 
| -  m.Store(StoreRepForType(kMachAnyTagged), m.PointerConstant(&rbuffer), | 
| -          m.Int32Constant(0), rphi2); | 
| +  m.Store(kMachFloat64, m.PointerConstant(&dbuffer), m.Int32Constant(0), dphi2, | 
| +          kNoWriteBarrier); | 
| +  m.Store(kMachAnyTagged, m.PointerConstant(&rbuffer), m.Int32Constant(0), | 
| +          rphi2, kNoWriteBarrier); | 
| m.Return(m.Int32Constant(magic)); | 
|  | 
| CHECK_EQ(magic, m.Call()); | 
| @@ -4187,8 +4180,8 @@ TEST(RunDoubleLoopPhi) { | 
| m.Bind(&body); | 
| m.Goto(&header); | 
| m.Bind(&end); | 
| -  m.Store(StoreRepForType(kMachFloat64), m.PointerConstant(&buffer), | 
| -          m.Int32Constant(0), phi); | 
| +  m.Store(kMachFloat64, m.PointerConstant(&buffer), m.Int32Constant(0), phi, | 
| +          kNoWriteBarrier); | 
| m.Return(m.Int32Constant(magic)); | 
|  | 
| CHECK_EQ(magic, m.Call()); | 
| @@ -4482,7 +4475,7 @@ static void LoadStoreTruncation() { | 
| RawMachineAssemblerTester<int32_t> m; | 
| Node* a = m.LoadFromPointer(&input, kRepresentation); | 
| Node* ap1 = m.Int32Add(a, m.Int32Constant(1)); | 
| -  m.StoreToPointer(&input, StoreRepForType(kRepresentation), ap1); | 
| +  m.StoreToPointer(&input, kRepresentation, ap1); | 
| m.Return(ap1); | 
|  | 
| const IntType max = std::numeric_limits<IntType>::max(); | 
| @@ -4585,7 +4578,7 @@ TEST(RunTestIntPtrArithmetic) { | 
| Node* output = m.PointerConstant(&outputs[kInputSize - 1]); | 
| Node* elem_size = m.IntPtrConstant(sizeof(inputs[0])); | 
| for (int i = 0; i < kInputSize; i++) { | 
| -    m.Store(StoreRepForType(kMachInt32), output, m.Load(kMachInt32, input)); | 
| +    m.Store(kMachInt32, output, m.Load(kMachInt32, input), kNoWriteBarrier); | 
| input = m.IntPtrAdd(input, elem_size); | 
| output = m.IntPtrSub(output, elem_size); | 
| } | 
| @@ -4610,7 +4603,7 @@ TEST(RunSpillLotsOfThings) { | 
| accs[i] = acc; | 
| } | 
| for (int i = 0; i < kInputSize; i++) { | 
| -    m.StoreToPointer(&outputs[i], StoreRepForType(kMachInt32), accs[i]); | 
| +    m.StoreToPointer(&outputs[i], kMachInt32, accs[i]); | 
| } | 
| m.Return(one); | 
| m.Call(); | 
| @@ -4636,7 +4629,7 @@ TEST(RunSpillConstantsAndParameters) { | 
| accs[i] = acc; | 
| } | 
| for (int i = 0; i < kInputSize; i++) { | 
| -    m.StoreToPointer(&outputs[i], StoreRepForType(kMachInt32), accs[i]); | 
| +    m.StoreToPointer(&outputs[i], kMachInt32, accs[i]); | 
| } | 
| m.Return(m.Int32Add(acc, m.Int32Add(m.Parameter(0), m.Parameter(1)))); | 
| FOR_INT32_INPUTS(i) { | 
| @@ -4688,7 +4681,7 @@ TEST(RunInt32AddWithOverflowP) { | 
| Node* add = m.Int32AddWithOverflow(bt.param0, bt.param1); | 
| Node* val = m.Projection(0, add); | 
| Node* ovf = m.Projection(1, add); | 
| -  m.StoreToPointer(&actual_val, StoreRepForType(kMachInt32), val); | 
| +  m.StoreToPointer(&actual_val, kMachInt32, val); | 
| bt.AddReturn(ovf); | 
| FOR_INT32_INPUTS(i) { | 
| FOR_INT32_INPUTS(j) { | 
| @@ -4709,7 +4702,7 @@ TEST(RunInt32AddWithOverflowImm) { | 
| Node* add = m.Int32AddWithOverflow(m.Int32Constant(*i), m.Parameter(0)); | 
| Node* val = m.Projection(0, add); | 
| Node* ovf = m.Projection(1, add); | 
| -      m.StoreToPointer(&actual_val, StoreRepForType(kMachInt32), val); | 
| +      m.StoreToPointer(&actual_val, kMachInt32, val); | 
| m.Return(ovf); | 
| FOR_INT32_INPUTS(j) { | 
| int expected_ovf = bits::SignedAddOverflow32(*i, *j, &expected_val); | 
| @@ -4722,7 +4715,7 @@ TEST(RunInt32AddWithOverflowImm) { | 
| Node* add = m.Int32AddWithOverflow(m.Parameter(0), m.Int32Constant(*i)); | 
| Node* val = m.Projection(0, add); | 
| Node* ovf = m.Projection(1, add); | 
| -      m.StoreToPointer(&actual_val, StoreRepForType(kMachInt32), val); | 
| +      m.StoreToPointer(&actual_val, kMachInt32, val); | 
| m.Return(ovf); | 
| FOR_INT32_INPUTS(j) { | 
| int expected_ovf = bits::SignedAddOverflow32(*i, *j, &expected_val); | 
| @@ -4736,7 +4729,7 @@ TEST(RunInt32AddWithOverflowImm) { | 
| m.Int32AddWithOverflow(m.Int32Constant(*i), m.Int32Constant(*j)); | 
| Node* val = m.Projection(0, add); | 
| Node* ovf = m.Projection(1, add); | 
| -      m.StoreToPointer(&actual_val, StoreRepForType(kMachInt32), val); | 
| +      m.StoreToPointer(&actual_val, kMachInt32, val); | 
| m.Return(ovf); | 
| int expected_ovf = bits::SignedAddOverflow32(*i, *j, &expected_val); | 
| CHECK_EQ(expected_ovf, m.Call()); | 
| @@ -4776,7 +4769,7 @@ TEST(RunInt32SubWithOverflowP) { | 
| Node* add = m.Int32SubWithOverflow(bt.param0, bt.param1); | 
| Node* val = m.Projection(0, add); | 
| Node* ovf = m.Projection(1, add); | 
| -  m.StoreToPointer(&actual_val, StoreRepForType(kMachInt32), val); | 
| +  m.StoreToPointer(&actual_val, kMachInt32, val); | 
| bt.AddReturn(ovf); | 
| FOR_INT32_INPUTS(i) { | 
| FOR_INT32_INPUTS(j) { | 
| @@ -4797,7 +4790,7 @@ TEST(RunInt32SubWithOverflowImm) { | 
| Node* add = m.Int32SubWithOverflow(m.Int32Constant(*i), m.Parameter(0)); | 
| Node* val = m.Projection(0, add); | 
| Node* ovf = m.Projection(1, add); | 
| -      m.StoreToPointer(&actual_val, StoreRepForType(kMachInt32), val); | 
| +      m.StoreToPointer(&actual_val, kMachInt32, val); | 
| m.Return(ovf); | 
| FOR_INT32_INPUTS(j) { | 
| int expected_ovf = bits::SignedSubOverflow32(*i, *j, &expected_val); | 
| @@ -4810,7 +4803,7 @@ TEST(RunInt32SubWithOverflowImm) { | 
| Node* add = m.Int32SubWithOverflow(m.Parameter(0), m.Int32Constant(*i)); | 
| Node* val = m.Projection(0, add); | 
| Node* ovf = m.Projection(1, add); | 
| -      m.StoreToPointer(&actual_val, StoreRepForType(kMachInt32), val); | 
| +      m.StoreToPointer(&actual_val, kMachInt32, val); | 
| m.Return(ovf); | 
| FOR_INT32_INPUTS(j) { | 
| int expected_ovf = bits::SignedSubOverflow32(*j, *i, &expected_val); | 
| @@ -4824,7 +4817,7 @@ TEST(RunInt32SubWithOverflowImm) { | 
| m.Int32SubWithOverflow(m.Int32Constant(*i), m.Int32Constant(*j)); | 
| Node* val = m.Projection(0, add); | 
| Node* ovf = m.Projection(1, add); | 
| -      m.StoreToPointer(&actual_val, StoreRepForType(kMachInt32), val); | 
| +      m.StoreToPointer(&actual_val, kMachInt32, val); | 
| m.Return(ovf); | 
| int expected_ovf = bits::SignedSubOverflow32(*i, *j, &expected_val); | 
| CHECK_EQ(expected_ovf, m.Call()); | 
| @@ -4881,8 +4874,7 @@ TEST(RunChangeInt32ToInt64P) { | 
| if (kPointerSize < 8) return; | 
| int64_t actual = -1; | 
| RawMachineAssemblerTester<int32_t> m(kMachInt32); | 
| -  m.StoreToPointer(&actual, StoreRepForType(kMachInt64), | 
| -                   m.ChangeInt32ToInt64(m.Parameter(0))); | 
| +  m.StoreToPointer(&actual, kMachInt64, m.ChangeInt32ToInt64(m.Parameter(0))); | 
| m.Return(m.Int32Constant(0)); | 
| FOR_INT32_INPUTS(i) { | 
| int64_t expected = *i; | 
| @@ -4896,7 +4888,7 @@ TEST(RunChangeUint32ToUint64P) { | 
| if (kPointerSize < 8) return; | 
| int64_t actual = -1; | 
| RawMachineAssemblerTester<int32_t> m(kMachUint32); | 
| -  m.StoreToPointer(&actual, StoreRepForType(kMachUint64), | 
| +  m.StoreToPointer(&actual, kMachUint64, | 
| m.ChangeUint32ToUint64(m.Parameter(0))); | 
| m.Return(m.Int32Constant(0)); | 
| FOR_UINT32_INPUTS(i) { | 
| @@ -4997,7 +4989,7 @@ TEST(RunChangeFloat32ToFloat64) { | 
| float expected = 0.0; | 
| RawMachineAssemblerTester<int32_t> m; | 
| m.StoreToPointer( | 
| -      &actual, StoreRepForType(kMachFloat64), | 
| +      &actual, kMachFloat64, | 
| m.ChangeFloat32ToFloat64(m.LoadFromPointer(&expected, kMachFloat32))); | 
| m.Return(m.Int32Constant(0)); | 
| FOR_FLOAT32_INPUTS(i) { | 
| @@ -5022,8 +5014,8 @@ TEST(RunChangeFloat32ToFloat64_spilled) { | 
| } | 
|  | 
| for (int i = 0; i < kNumInputs; i++) { | 
| -    m.Store(StoreRepForType(kMachFloat64), m.PointerConstant(&result), | 
| -            m.Int32Constant(i * 8), m.ChangeFloat32ToFloat64(input_node[i])); | 
| +    m.Store(kMachFloat64, m.PointerConstant(&result), m.Int32Constant(i * 8), | 
| +            m.ChangeFloat32ToFloat64(input_node[i]), kNoWriteBarrier); | 
| } | 
|  | 
| m.Return(m.Int32Constant(magic)); | 
| @@ -5045,7 +5037,7 @@ TEST(RunTruncateFloat64ToFloat32) { | 
| double input = 0.0; | 
| RawMachineAssemblerTester<int32_t> m; | 
| m.StoreToPointer( | 
| -      &actual, StoreRepForType(kMachFloat32), | 
| +      &actual, kMachFloat32, | 
| m.TruncateFloat64ToFloat32(m.LoadFromPointer(&input, kMachFloat64))); | 
| m.Return(m.Int32Constant(0)); | 
| FOR_FLOAT64_INPUTS(i) { | 
| @@ -5062,8 +5054,7 @@ TEST(RunFloat32Constant) { | 
| float expected = *i; | 
| float actual = *i; | 
| RawMachineAssemblerTester<int32_t> m; | 
| -    m.StoreToPointer(&actual, StoreRepForType(kMachFloat32), | 
| -                     m.Float32Constant(expected)); | 
| +    m.StoreToPointer(&actual, kMachFloat32, m.Float32Constant(expected)); | 
| m.Return(m.Int32Constant(0)); | 
| CHECK_EQ(0, m.Call()); | 
| CHECK_EQ(expected, actual); | 
| @@ -5100,7 +5091,7 @@ TEST(RunFloat64InsertLowWord32) { | 
| uint64_t result = 0; | 
| RawMachineAssemblerTester<int32_t> m(kMachInt32); | 
| m.StoreToPointer( | 
| -      &result, StoreRepForType(kMachFloat64), | 
| +      &result, kMachFloat64, | 
| m.Float64InsertLowWord32(m.LoadFromPointer(&input, kMachFloat64), | 
| m.Parameter(0))); | 
| m.Return(m.Int32Constant(0)); | 
| @@ -5121,7 +5112,7 @@ TEST(RunFloat64InsertHighWord32) { | 
| uint64_t result = 0; | 
| RawMachineAssemblerTester<int32_t> m(kMachInt32); | 
| m.StoreToPointer( | 
| -      &result, StoreRepForType(kMachFloat64), | 
| +      &result, kMachFloat64, | 
| m.Float64InsertHighWord32(m.LoadFromPointer(&input, kMachFloat64), | 
| m.Parameter(0))); | 
| m.Return(m.Int32Constant(0)); | 
| @@ -5141,7 +5132,7 @@ TEST(RunFloat32Abs) { | 
| float input = -1.0; | 
| float result = 0.0; | 
| RawMachineAssemblerTester<int32_t> m; | 
| -  m.StoreToPointer(&result, StoreRepForType(kMachFloat32), | 
| +  m.StoreToPointer(&result, kMachFloat32, | 
| m.Float32Abs(m.LoadFromPointer(&input, kMachFloat32))); | 
| m.Return(m.Int32Constant(0)); | 
| FOR_FLOAT32_INPUTS(i) { | 
| @@ -5157,7 +5148,7 @@ TEST(RunFloat64Abs) { | 
| double input = -1.0; | 
| double result = 0.0; | 
| RawMachineAssemblerTester<int32_t> m; | 
| -  m.StoreToPointer(&result, StoreRepForType(kMachFloat64), | 
| +  m.StoreToPointer(&result, kMachFloat64, | 
| m.Float64Abs(m.LoadFromPointer(&input, kMachFloat64))); | 
| m.Return(m.Int32Constant(0)); | 
| FOR_FLOAT64_INPUTS(i) { | 
| @@ -5272,7 +5263,7 @@ TEST(RunFloat64RoundDown1) { | 
| double result = 0.0; | 
| RawMachineAssemblerTester<int32_t> m; | 
| if (!m.machine()->Float64RoundDown().IsSupported()) return; | 
| -  m.StoreToPointer(&result, StoreRepForType(kMachFloat64), | 
| +  m.StoreToPointer(&result, kMachFloat64, | 
| m.Float64RoundDown(m.LoadFromPointer(&input, kMachFloat64))); | 
| m.Return(m.Int32Constant(0)); | 
| for (size_t i = 0; i < arraysize(kValues); ++i) { | 
| @@ -5289,7 +5280,7 @@ TEST(RunFloat64RoundDown2) { | 
| double result = 0.0; | 
| RawMachineAssemblerTester<int32_t> m; | 
| if (!m.machine()->Float64RoundDown().IsSupported()) return; | 
| -  m.StoreToPointer(&result, StoreRepForType(kMachFloat64), | 
| +  m.StoreToPointer(&result, kMachFloat64, | 
| m.Float64Sub(m.Float64Constant(-0.0), | 
| m.Float64RoundDown(m.Float64Sub( | 
| m.Float64Constant(-0.0), | 
| @@ -5310,7 +5301,7 @@ TEST(RunFloat64RoundTruncate) { | 
| RawMachineAssemblerTester<int32_t> m; | 
| if (!m.machine()->Float64RoundTruncate().IsSupported()) return; | 
| m.StoreToPointer( | 
| -      &result, StoreRepForType(kMachFloat64), | 
| +      &result, kMachFloat64, | 
| m.Float64RoundTruncate(m.LoadFromPointer(&input, kMachFloat64))); | 
| m.Return(m.Int32Constant(0)); | 
| for (size_t i = 0; i < arraysize(kValues); ++i) { | 
| @@ -5328,7 +5319,7 @@ TEST(RunFloat64RoundTiesAway) { | 
| RawMachineAssemblerTester<int32_t> m; | 
| if (!m.machine()->Float64RoundTiesAway().IsSupported()) return; | 
| m.StoreToPointer( | 
| -      &result, StoreRepForType(kMachFloat64), | 
| +      &result, kMachFloat64, | 
| m.Float64RoundTiesAway(m.LoadFromPointer(&input, kMachFloat64))); | 
| m.Return(m.Int32Constant(0)); | 
| for (size_t i = 0; i < arraysize(kValues); ++i) { | 
| @@ -5468,7 +5459,7 @@ TEST(RunBitcastInt64ToFloat64) { | 
| double output = 0.0; | 
| RawMachineAssemblerTester<int32_t> m; | 
| m.StoreToPointer( | 
| -      &output, StoreRepForType(kMachFloat64), | 
| +      &output, kMachFloat64, | 
| m.BitcastInt64ToFloat64(m.LoadFromPointer(&input, kMachInt64))); | 
| m.Return(m.Int32Constant(11)); | 
| FOR_INT64_INPUTS(i) { | 
| @@ -5485,7 +5476,7 @@ TEST(RunBitcastFloat64ToInt64) { | 
| int64_t output = 0; | 
| RawMachineAssemblerTester<int32_t> m; | 
| m.StoreToPointer( | 
| -      &output, StoreRepForType(kMachInt64), | 
| +      &output, kMachInt64, | 
| m.BitcastFloat64ToInt64(m.LoadFromPointer(&input, kMachFloat64))); | 
| m.Return(m.Int32Constant(11)); | 
| FOR_FLOAT64_INPUTS(i) { | 
| @@ -5515,7 +5506,7 @@ TEST(RunBitcastInt32ToFloat32) { | 
| float output = 0.0; | 
| RawMachineAssemblerTester<int32_t> m; | 
| m.StoreToPointer( | 
| -      &output, StoreRepForType(kMachFloat32), | 
| +      &output, kMachFloat32, | 
| m.BitcastInt32ToFloat32(m.LoadFromPointer(&input, kMachInt32))); | 
| m.Return(m.Int32Constant(11)); | 
| FOR_INT32_INPUTS(i) { | 
|  |