VM: Re-format to use at most one newline between functions

runtime/vm/intermediate_language_arm64.cc

 // Copyright (c) 2014, 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_ARM64.
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/compiler.h"
@@ skipping 17 matching lines @@
 
 // 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(Zone* zone) {
   LocationSummary* result =
       new (zone) LocationSummary(zone, 0, 0, LocationSummary::kCall);
   result->set_out(0, Location::RegisterLocation(R0));
   return result;
 }
 
-
 LocationSummary* PushArgumentInstr::MakeLocationSummary(Zone* zone,
                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, 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(TMP, value.base_reg(), value_offset);
       __ Push(TMP);
     }
   }
 }
 
-
 LocationSummary* ReturnInstr::MakeLocationSummary(Zone* zone, bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, 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();
   ASSERT(result == R0);
 
   if (compiler->intrinsic_mode()) {
     // Intrinsics don't have a frame.
     __ ret();
@@ skipping 13 matching lines @@
   __ Bind(&stack_ok);
 #endif
   ASSERT(__ constant_pool_allowed());
   __ LeaveDartFrame();  // Disallows constant pool use.
   __ ret();
   // This ReturnInstr may be emitted out of order by the optimizer. The next
   // block may be a target expecting a properly set constant pool pointer.
   __ set_constant_pool_allowed(true);
 }
 
-
 static Condition NegateCondition(Condition condition) {
   switch (condition) {
     case EQ:
       return NE;
     case NE:
       return EQ;
     case LT:
       return GE;
     case LE:
       return GT;
@@ skipping 12 matching lines @@
     case VS:
       return VC;
     case VC:
       return VS;
     default:
       UNREACHABLE();
       return EQ;
   }
 }
 
-
 // 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(Zone* zone,
                                                       bool opt) const {
   comparison()->InitializeLocationSummary(zone, 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());
 
   // Emit comparison code. This must not overwrite the result register.
   // IfThenElseInstr::Supports() should prevent EmitComparisonCode from using
   // the labels or returning an invalid condition.
@@ skipping 31 matching lines @@
   } else {
     __ sub(result, result, Operand(1));
     const int64_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(Zone* zone,
                                                        bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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.
   const intptr_t argument_count = ArgumentCount();  // Includes type args.
   const Array& arguments_descriptor =
       Array::ZoneHandle(Z, GetArgumentsDescriptor());
   __ LoadObject(R4, arguments_descriptor);
 
   // R4: Arguments descriptor.
   // R0: Function.
   ASSERT(locs()->in(0).reg() == R0);
@@ skipping 14 matching lines @@
     compiler->AddDeoptIndexAtCall(deopt_id_after);
   }
   // Add deoptimization continuation point after the call and before the
   // arguments are removed.
   // In optimized code this descriptor is needed for exception handling.
   compiler->AddCurrentDescriptor(RawPcDescriptors::kDeopt, deopt_id_after,
                                  token_pos());
   __ Drop(argument_count);
 }
 
-
 LocationSummary* LoadLocalInstr::MakeLocationSummary(Zone* zone,
                                                      bool opt) const {
   return LocationSummary::Make(zone, 0, Location::RequiresRegister(),
                                LocationSummary::kNoCall);
 }
 
-
 void LoadLocalInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register result = locs()->out(0).reg();
   __ LoadFromOffset(result, FP, local().index() * kWordSize);
 }
 
-
 LocationSummary* StoreLocalInstr::MakeLocationSummary(Zone* zone,
                                                       bool opt) const {
   return LocationSummary::Make(zone, 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.
   __ StoreToOffset(value, FP, local().index() * kWordSize);
 }
 
-
 LocationSummary* ConstantInstr::MakeLocationSummary(Zone* zone,
                                                     bool opt) const {
   return LocationSummary::Make(zone, 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(Zone* zone,
                                                            bool opt) const {
   const intptr_t kNumInputs = 0;
   const Location out = (representation_ == kUnboxedInt32)
                            ? Location::RequiresRegister()
                            : Location::RequiresFpuRegister();
   return LocationSummary::Make(zone, kNumInputs, out, LocationSummary::kNoCall);
 }
 
-
 void UnboxedConstantInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   if (!locs()->out(0).IsInvalid()) {
     switch (representation_) {
       case kUnboxedDouble:
         if (Utils::DoublesBitEqual(Double::Cast(value()).value(), 0.0)) {
           const VRegister dst = locs()->out(0).fpu_reg();
           __ veor(dst, dst, dst);
         } else {
           const VRegister dst = locs()->out(0).fpu_reg();
           __ LoadDImmediate(dst, Double::Cast(value()).value());
         }
         break;
       case kUnboxedInt32:
         __ LoadImmediate(locs()->out(0).reg(),
                          static_cast<int32_t>(Smi::Cast(value()).Value()));
         break;
       default:
         UNREACHABLE();
         break;
     }
   }
 }
 
-
 LocationSummary* AssertAssignableInstr::MakeLocationSummary(Zone* zone,
                                                             bool opt) const {
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(R0));  // Value.
   summary->set_in(1, Location::RegisterLocation(R1));  // Instant. type args.
   summary->set_in(2, Location::RegisterLocation(R2));  // Function type args.
   summary->set_out(0, Location::RegisterLocation(R0));
   return summary;
 }
 
-
 LocationSummary* AssertBooleanInstr::MakeLocationSummary(Zone* zone,
                                                          bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, 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,
                               TokenPosition token_pos,
                               intptr_t deopt_id,
                               LocationSummary* locs,
                               FlowGraphCompiler* compiler) {
   // Check that the type of the value is allowed in conditional context.
   // Call the runtime if the object is not bool::true or bool::false.
   ASSERT(locs->always_calls());
   Label done;
 
   if (Isolate::Current()->type_checks()) {
     __ CompareObject(reg, Bool::True());
     __ b(&done, EQ);
     __ CompareObject(reg, Bool::False());
     __ b(&done, EQ);
   } else {
     ASSERT(Isolate::Current()->asserts());
     __ CompareObject(reg, Object::null_instance());
     __ b(&done, NE);
   }
 
   __ Push(reg);  // Push the source object.
   compiler->GenerateRuntimeCall(token_pos, deopt_id,
                                 kNonBoolTypeErrorRuntimeEntry, 1, locs);
   // We should never return here.
   __ brk(0);
   __ Bind(&done);
 }
 
-
 void AssertBooleanInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register obj = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
 
   EmitAssertBoolean(obj, token_pos(), deopt_id(), locs(), compiler);
   ASSERT(obj == result);
 }
 
-
 static Condition TokenKindToSmiCondition(Token::Kind kind) {
   switch (kind) {
     case Token::kEQ:
       return EQ;
     case Token::kNE:
       return NE;
     case Token::kLT:
       return LT;
     case Token::kGT:
       return GT;
     case Token::kLTE:
       return LE;
     case Token::kGTE:
       return GE;
     default:
       UNREACHABLE();
       return VS;
   }
 }
 
-
 static Condition FlipCondition(Condition condition) {
   switch (condition) {
     case EQ:
       return EQ;
     case NE:
       return NE;
     case LT:
       return GT;
     case LE:
       return GE;
     case GT:
       return LT;
     case GE:
       return LE;
     case CC:
       return HI;
     case LS:
       return CS;
     case HI:
       return CC;
     case CS:
       return LS;
     default:
       UNREACHABLE();
       return EQ;
   }
 }
 
-
 static void EmitBranchOnCondition(FlowGraphCompiler* compiler,
                                   Condition true_condition,
                                   BranchLabels labels) {
   if (labels.fall_through == labels.false_label) {
     // If the next block is the false successor we will fall through to it.
     __ b(labels.true_label, true_condition);
   } else {
     // If the next block is not the false successor we will branch to it.
     Condition false_condition = NegateCondition(true_condition);
     __ b(labels.false_label, false_condition);
 
     // Fall through or jump to the true successor.
     if (labels.fall_through != labels.true_label) {
       __ b(labels.true_label);
     }
   }
 }
 
-
 static Condition EmitSmiComparisonOp(FlowGraphCompiler* compiler,
                                      LocationSummary* locs,
                                      Token::Kind kind) {
   Location left = locs->in(0);
   Location right = locs->in(1);
   ASSERT(!left.IsConstant() || !right.IsConstant());
 
   Condition true_condition = TokenKindToSmiCondition(kind);
 
   if (left.IsConstant()) {
     __ CompareObject(right.reg(), left.constant());
     true_condition = FlipCondition(true_condition);
   } else if (right.IsConstant()) {
     __ CompareObject(left.reg(), right.constant());
   } else {
     __ CompareRegisters(left.reg(), right.reg());
   }
   return true_condition;
 }
 
-
 LocationSummary* EqualityCompareInstr::MakeLocationSummary(Zone* zone,
                                                            bool opt) const {
   const intptr_t kNumInputs = 2;
   if (operation_cid() == kDoubleCid) {
     const intptr_t kNumTemps = 0;
     LocationSummary* locs = new (zone)
         LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     locs->set_in(0, Location::RequiresFpuRegister());
     locs->set_in(1, Location::RequiresFpuRegister());
     locs->set_out(0, Location::RequiresRegister());
@@ skipping 10 matching lines @@
     locs->set_in(1, locs->in(0).IsConstant()
                         ? Location::RequiresRegister()
                         : Location::RegisterOrConstant(right()));
     locs->set_out(0, Location::RequiresRegister());
     return locs;
   }
   UNREACHABLE();
   return NULL;
 }
 
-
 static Condition TokenKindToDoubleCondition(Token::Kind kind) {
   switch (kind) {
     case Token::kEQ:
       return EQ;
     case Token::kNE:
       return NE;
     case Token::kLT:
       return LT;
     case Token::kGT:
       return GT;
     case Token::kLTE:
       return LE;
     case Token::kGTE:
       return GE;
     default:
       UNREACHABLE();
       return VS;
   }
 }
 
-
 static Condition EmitDoubleComparisonOp(FlowGraphCompiler* compiler,
                                         LocationSummary* locs,
                                         BranchLabels labels,
                                         Token::Kind kind) {
   const VRegister left = locs->in(0).fpu_reg();
   const VRegister right = locs->in(1).fpu_reg();
   __ fcmpd(left, right);
   Condition true_condition = TokenKindToDoubleCondition(kind);
   if (true_condition != NE) {
     // Special case for NaN comparison. Result is always false unless
     // relational operator is !=.
     __ b(labels.false_label, VS);
   }
   return true_condition;
 }
 
-
 Condition EqualityCompareInstr::EmitComparisonCode(FlowGraphCompiler* compiler,
                                                    BranchLabels labels) {
   if (operation_cid() == kSmiCid) {
     return EmitSmiComparisonOp(compiler, locs(), kind());
   } else {
     ASSERT(operation_cid() == kDoubleCid);
     return EmitDoubleComparisonOp(compiler, locs(), labels, kind());
   }
 }
 
-
 LocationSummary* TestSmiInstr::MakeLocationSummary(Zone* zone, bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, 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) {
   const Register left = locs()->in(0).reg();
   Location right = locs()->in(1);
   if (right.IsConstant()) {
     ASSERT(right.constant().IsSmi());
     const int64_t imm = reinterpret_cast<int64_t>(right.constant().raw());
     __ TestImmediate(left, imm);
   } else {
     __ tst(left, Operand(right.reg()));
   }
   Condition true_condition = (kind() == Token::kNE) ? NE : EQ;
   return true_condition;
 }
 
-
 LocationSummary* TestCidsInstr::MakeLocationSummary(Zone* zone,
                                                     bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, 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));
   const Register val_reg = locs()->in(0).reg();
   const Register cid_reg = locs()->temp(0).reg();
 
-  Label* deopt =
-      CanDeoptimize()
-          ? compiler->AddDeoptStub(deopt_id(), ICData::kDeoptTestCids,
-                                   licm_hoisted_ ? ICData::kHoisted : 0)
-          : NULL;
+  Label* deopt = CanDeoptimize() ? compiler->AddDeoptStub(
+                                       deopt_id(), ICData::kDeoptTestCids,
+                                       licm_hoisted_ ? ICData::kHoisted : 0)
+                                 : NULL;
 
   const intptr_t true_result = (kind() == Token::kIS) ? 1 : 0;
   const ZoneGrowableArray<intptr_t>& data = cid_results();
   ASSERT(data[0] == kSmiCid);
   bool result = data[1] == true_result;
   __ tsti(val_reg, Immediate(kSmiTagMask));
   __ b(result ? labels.true_label : labels.false_label, EQ);
   __ LoadClassId(cid_reg, val_reg);
 
   for (intptr_t i = 2; i < data.length(); i += 2) {
@@ skipping 13 matching lines @@
       __ b(target);
     }
   } else {
     __ b(deopt);
   }
   // Dummy result as this method already did the jump, there's no need
   // for the caller to branch on a condition.
   return kInvalidCondition;
 }
 
-
 LocationSummary* RelationalOpInstr::MakeLocationSummary(Zone* zone,
                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   if (operation_cid() == kDoubleCid) {
     LocationSummary* summary = new (zone)
         LocationSummary(zone, 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 (zone)
       LocationSummary(zone, 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;
 }
 
-
 Condition RelationalOpInstr::EmitComparisonCode(FlowGraphCompiler* compiler,
                                                 BranchLabels labels) {
   if (operation_cid() == kSmiCid) {
     return EmitSmiComparisonOp(compiler, locs(), kind());
   } else {
     ASSERT(operation_cid() == kDoubleCid);
     return EmitDoubleComparisonOp(compiler, locs(), labels, kind());
   }
 }
 
-
 LocationSummary* NativeCallInstr::MakeLocationSummary(Zone* zone,
                                                       bool opt) const {
   return MakeCallSummary(zone);
 }
 
-
 void NativeCallInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   SetupNative();
   const Register result = locs()->out(0).reg();
 
   // Push the result place holder initialized to NULL.
   __ PushObject(Object::null_object());
   // Pass a pointer to the first argument in R2.
   if (!function().HasOptionalParameters()) {
     __ AddImmediate(
         R2, FP, (kParamEndSlotFromFp + function().NumParameters()) * kWordSize);
@@ skipping 35 matching lines @@
   if (link_lazily()) {
     compiler->GeneratePatchableCall(token_pos(), *stub_entry,
                                     RawPcDescriptors::kOther, locs());
   } else {
     compiler->GenerateCall(token_pos(), *stub_entry, RawPcDescriptors::kOther,
                            locs());
   }
   __ Pop(result);
 }
 
-
 LocationSummary* OneByteStringFromCharCodeInstr::MakeLocationSummary(
     Zone* zone,
     bool opt) const {
   const intptr_t kNumInputs = 1;
   // TODO(fschneider): Allow immediate operands for the char code.
   return LocationSummary::Make(zone, kNumInputs, Location::RequiresRegister(),
                                LocationSummary::kNoCall);
 }
 
-
 void OneByteStringFromCharCodeInstr::EmitNativeCode(
     FlowGraphCompiler* compiler) {
   ASSERT(compiler->is_optimizing());
   const Register char_code = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
 
   __ ldr(result, Address(THR, Thread::predefined_symbols_address_offset()));
   __ AddImmediate(result, Symbols::kNullCharCodeSymbolOffset * kWordSize);
   __ SmiUntag(TMP, char_code);  // Untag to use scaled address mode.
   __ ldr(result, Address(result, TMP, UXTX, Address::Scaled));
 }
 
-
 LocationSummary* StringToCharCodeInstr::MakeLocationSummary(Zone* zone,
                                                             bool opt) const {
   const intptr_t kNumInputs = 1;
   return LocationSummary::Make(zone, 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();
   __ LoadFieldFromOffset(result, str, String::length_offset());
   __ ldr(TMP, FieldAddress(str, OneByteString::data_offset()), kUnsignedByte);
   __ CompareImmediate(result, Smi::RawValue(1));
   __ LoadImmediate(result, -1);
   __ csel(result, TMP, result, EQ);
   __ SmiTag(result);
 }
 
-
 LocationSummary* StringInterpolateInstr::MakeLocationSummary(Zone* zone,
                                                              bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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 kTypeArgsLen = 0;
   const int kNumberOfArguments = 1;
   const Array& kNoArgumentNames = Object::null_array();
   ArgumentsInfo args_info(kTypeArgsLen, kNumberOfArguments, kNoArgumentNames);
   compiler->GenerateStaticCall(deopt_id(), token_pos(), CallFunction(),
                                args_info, locs(), ICData::Handle());
   ASSERT(locs()->out(0).reg() == R0);
 }
 
-
 LocationSummary* LoadUntaggedInstr::MakeLocationSummary(Zone* zone,
                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   return LocationSummary::Make(zone, kNumInputs, Location::RequiresRegister(),
                                LocationSummary::kNoCall);
 }
 
-
 void LoadUntaggedInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register obj = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
   if (object()->definition()->representation() == kUntagged) {
     __ LoadFromOffset(result, obj, offset());
   } else {
     ASSERT(object()->definition()->representation() == kTagged);
     __ LoadFieldFromOffset(result, obj, offset());
   }
 }
 
-
 LocationSummary* LoadClassIdInstr::MakeLocationSummary(Zone* zone,
                                                        bool opt) const {
   const intptr_t kNumInputs = 1;
   return LocationSummary::Make(zone, kNumInputs, Location::RequiresRegister(),
                                LocationSummary::kNoCall);
 }
 
-
 void LoadClassIdInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register object = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
   const AbstractType& value_type = *this->object()->Type()->ToAbstractType();
   if (CompileType::Smi().IsAssignableTo(value_type) ||
       value_type.IsTypeParameter()) {
     __ LoadTaggedClassIdMayBeSmi(result, object);
   } else {
     __ LoadClassId(result, object);
     __ SmiTag(result);
   }
 }
 
-
 CompileType LoadIndexedInstr::ComputeType() const {
   switch (class_id_) {
     case kArrayCid:
     case kImmutableArrayCid:
       return CompileType::Dynamic();
 
     case kTypedDataFloat32ArrayCid:
     case kTypedDataFloat64ArrayCid:
       return CompileType::FromCid(kDoubleCid);
     case kTypedDataFloat32x4ArrayCid:
@@ skipping 17 matching lines @@
     case kTypedDataInt32ArrayCid:
     case kTypedDataUint32ArrayCid:
       return CompileType::FromCid(kSmiCid);
 
     default:
       UNIMPLEMENTED();
       return CompileType::Dynamic();
   }
 }
 
-
 Representation LoadIndexedInstr::representation() const {
   switch (class_id_) {
     case kArrayCid:
     case kImmutableArrayCid:
     case kTypedDataInt8ArrayCid:
     case kTypedDataUint8ArrayCid:
     case kTypedDataUint8ClampedArrayCid:
     case kExternalTypedDataUint8ArrayCid:
     case kExternalTypedDataUint8ClampedArrayCid:
     case kTypedDataInt16ArrayCid:
@@ skipping 15 matching lines @@
     case kTypedDataFloat32x4ArrayCid:
       return kUnboxedFloat32x4;
     case kTypedDataFloat64x2ArrayCid:
       return kUnboxedFloat64x2;
     default:
       UNIMPLEMENTED();
       return kTagged;
   }
 }
 
-
 static bool CanBeImmediateIndex(Value* value, intptr_t cid, bool is_external) {
   ConstantInstr* constant = value->definition()->AsConstant();
   if ((constant == NULL) || !constant->value().IsSmi()) {
     return false;
   }
   const int64_t index = Smi::Cast(constant->value()).AsInt64Value();
   const intptr_t scale = Instance::ElementSizeFor(cid);
   const int64_t offset =
       index * scale +
       (is_external ? 0 : (Instance::DataOffsetFor(cid) - kHeapObjectTag));
   if (!Utils::IsInt(32, offset)) {
     return false;
   }
   return Address::CanHoldOffset(static_cast<int32_t>(offset), Address::Offset,
                                 Address::OperandSizeFor(cid));
 }
 
-
 LocationSummary* LoadIndexedInstr::MakeLocationSummary(Zone* zone,
                                                        bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = aligned() ? 0 : 1;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::RequiresRegister());
   if (CanBeImmediateIndex(index(), class_id(), IsExternal())) {
     locs->set_in(1, Location::Constant(index()->definition()->AsConstant()));
   } else {
     locs->set_in(1, Location::RequiresRegister());
   }
   if ((representation() == kUnboxedDouble) ||
       (representation() == kUnboxedFloat32x4) ||
       (representation() == kUnboxedInt32x4) ||
       (representation() == kUnboxedFloat64x2)) {
     locs->set_out(0, Location::RequiresFpuRegister());
   } else {
     locs->set_out(0, Location::RequiresRegister());
   }
   if (!aligned()) {
     locs->set_temp(0, Location::RequiresRegister());
   }
   return locs;
 }
 
-
 void LoadIndexedInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   // The array register points to the backing store for external arrays.
   const Register array = locs()->in(0).reg();
   const Location index = locs()->in(1);
   const Register address = aligned() ? kNoRegister : locs()->temp(0).reg();
 
   Address element_address(TMP);  // Bad address.
   if (aligned()) {
     element_address =
         index.IsRegister()
@@ skipping 117 matching lines @@
       __ SmiTag(result);
       break;
     default:
       ASSERT((class_id() == kArrayCid) || (class_id() == kImmutableArrayCid));
       ASSERT(aligned());
       __ ldr(result, element_address);
       break;
   }
 }
 
-
 LocationSummary* LoadCodeUnitsInstr::MakeLocationSummary(Zone* zone,
                                                          bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_in(1, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
-
 void LoadCodeUnitsInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   // The string register points to the backing store for external strings.
   const Register str = locs()->in(0).reg();
   const Location index = locs()->in(1);
 
   Address element_address = __ ElementAddressForRegIndex(
       true, IsExternal(), class_id(), index_scale(), str, index.reg());
   // Warning: element_address may use register TMP as base.
 
   Register result = locs()->out(0).reg();
@@ skipping 28 matching lines @@
           UNREACHABLE();
       }
       __ SmiTag(result);
       break;
     default:
       UNREACHABLE();
       break;
   }
 }
 
-
 Representation StoreIndexedInstr::RequiredInputRepresentation(
     intptr_t idx) const {
   // Array can be a Dart object or a pointer to external data.
   if (idx == 0) return kNoRepresentation;  // Flexible input representation.
   if (idx == 1) return kTagged;            // Index is a smi.
   ASSERT(idx == 2);
   switch (class_id_) {
     case kArrayCid:
     case kOneByteStringCid:
     case kTypedDataInt8ArrayCid:
@@ skipping 16 matching lines @@
     case kTypedDataInt32x4ArrayCid:
       return kUnboxedInt32x4;
     case kTypedDataFloat64x2ArrayCid:
       return kUnboxedFloat64x2;
     default:
       UNREACHABLE();
       return kTagged;
   }
 }
 
-
 LocationSummary* StoreIndexedInstr::MakeLocationSummary(Zone* zone,
                                                         bool opt) const {
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = aligned() ? 0 : 2;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   locs->set_in(0, Location::RequiresRegister());
   if (CanBeImmediateIndex(index(), class_id(), IsExternal())) {
     locs->set_in(1, Location::Constant(index()->definition()->AsConstant()));
   } else {
@@ skipping 30 matching lines @@
       UNREACHABLE();
       return NULL;
   }
   if (!aligned()) {
     locs->set_temp(0, Location::RequiresRegister());
     locs->set_temp(1, Location::RequiresRegister());
   }
   return locs;
 }
 
-
 void StoreIndexedInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   // The array register points to the backing store for external arrays.
   const Register array = locs()->in(0).reg();
   const Location index = locs()->in(1);
   const Register address = aligned() ? kNoRegister : locs()->temp(0).reg();
   const Register scratch = aligned() ? kNoRegister : locs()->temp(1).reg();
 
   Address element_address(TMP);  // Bad address.
   if (aligned()) {
     element_address =
@@ skipping 119 matching lines @@
       ASSERT(aligned());
       const VRegister value_reg = locs()->in(2).fpu_reg();
       __ fstrq(value_reg, element_address);
       break;
     }
     default:
       UNREACHABLE();
   }
 }
 
-
 static void LoadValueCid(FlowGraphCompiler* compiler,
                          Register value_cid_reg,
                          Register value_reg,
                          Label* value_is_smi = NULL) {
   Label done;
   if (value_is_smi == NULL) {
     __ LoadImmediate(value_cid_reg, kSmiCid);
   }
   __ tsti(value_reg, Immediate(kSmiTagMask));
   if (value_is_smi == NULL) {
     __ b(&done, EQ);
   } else {
     __ b(value_is_smi, EQ);
   }
   __ LoadClassId(value_cid_reg, value_reg);
   __ Bind(&done);
 }
 
-
 LocationSummary* GuardFieldClassInstr::MakeLocationSummary(Zone* zone,
                                                            bool opt) const {
   const intptr_t kNumInputs = 1;
 
   const intptr_t value_cid = value()->Type()->ToCid();
   const intptr_t field_cid = field().guarded_cid();
 
   const bool emit_full_guard = !opt || (field_cid == kIllegalCid);
 
   const bool needs_value_cid_temp_reg =
@@ skipping 13 matching lines @@
       LocationSummary(zone, kNumInputs, num_temps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
 
   for (intptr_t i = 0; i < num_temps; i++) {
     summary->set_temp(i, Location::RequiresRegister());
   }
 
   return summary;
 }
 
-
 void GuardFieldClassInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(sizeof(classid_t) == kInt16Size);
   const intptr_t value_cid = value()->Type()->ToCid();
   const intptr_t field_cid = field().guarded_cid();
   const intptr_t nullability = field().is_nullable() ? kNullCid : kIllegalCid;
 
   if (field_cid == kDynamicCid) {
     if (Compiler::IsBackgroundCompilation()) {
       // Field state changed while compiling.
       Compiler::AbortBackgroundCompilation(
@@ skipping 121 matching lines @@
       __ b(fail, NE);
     } else {
       // Both value's and field's class id is known.
       ASSERT((value_cid != field_cid) && (value_cid != nullability));
       __ b(fail);
     }
   }
   __ Bind(&ok);
 }
 
-
 LocationSummary* GuardFieldLengthInstr::MakeLocationSummary(Zone* zone,
                                                             bool opt) const {
   const intptr_t kNumInputs = 1;
   if (!opt || (field().guarded_list_length() == Field::kUnknownFixedLength)) {
     const intptr_t kNumTemps = 3;
     LocationSummary* summary = new (zone)
         LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
     summary->set_in(0, Location::RequiresRegister());
     // We need temporaries for field object, length offset and expected length.
     summary->set_temp(0, Location::RequiresRegister());
     summary->set_temp(1, Location::RequiresRegister());
     summary->set_temp(2, Location::RequiresRegister());
     return summary;
   } else {
     LocationSummary* summary = new (zone)
         LocationSummary(zone, kNumInputs, 0, LocationSummary::kNoCall);
     summary->set_in(0, Location::RequiresRegister());
     return summary;
   }
   UNREACHABLE();
 }
 
-
 void GuardFieldLengthInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   if (field().guarded_list_length() == Field::kNoFixedLength) {
     if (Compiler::IsBackgroundCompilation()) {
       // Field state changed while compiling.
       Compiler::AbortBackgroundCompilation(
           deopt_id(),
           "GuardFieldLengthInstr: field state changed while compiling");
     }
     ASSERT(!compiler->is_optimizing());
     return;  // Nothing to emit.
@@ skipping 51 matching lines @@
     ASSERT(field().guarded_list_length_in_object_offset() !=
            Field::kUnknownLengthOffset);
 
     __ ldr(TMP, FieldAddress(value_reg,
                              field().guarded_list_length_in_object_offset()));
     __ CompareImmediate(TMP, Smi::RawValue(field().guarded_list_length()));
     __ b(deopt, NE);
   }
 }
 
-
 class BoxAllocationSlowPath : public SlowPathCode {
  public:
   BoxAllocationSlowPath(Instruction* instruction,
                         const Class& cls,
                         Register result)
       : instruction_(instruction), cls_(cls), result_(result) {}
 
   virtual void EmitNativeCode(FlowGraphCompiler* compiler) {
     if (Assembler::EmittingComments()) {
       __ Comment("%s slow path allocation of %s", instruction_->DebugName(),
@@ skipping 33 matching lines @@
       __ Bind(slow_path->exit_label());
     }
   }
 
  private:
   Instruction* instruction_;
   const Class& cls_;
   const Register result_;
 };
 
-
 static void EnsureMutableBox(FlowGraphCompiler* compiler,
                              StoreInstanceFieldInstr* instruction,
                              Register box_reg,
                              const Class& cls,
                              Register instance_reg,
                              intptr_t offset,
                              Register temp) {
   Label done;
   __ LoadFieldFromOffset(box_reg, instance_reg, offset);
   __ CompareObject(box_reg, Object::null_object());
   __ b(&done, NE);
   BoxAllocationSlowPath::Allocate(compiler, instruction, cls, box_reg, temp);
   __ mov(temp, box_reg);
   __ StoreIntoObjectOffset(instance_reg, offset, temp);
   __ Bind(&done);
 }
 
-
 LocationSummary* StoreInstanceFieldInstr::MakeLocationSummary(Zone* zone,
                                                               bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps =
       (IsUnboxedStore() && opt) ? 2 : ((IsPotentialUnboxedStore()) ? 2 : 0);
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps,
                       ((IsUnboxedStore() && opt && is_initialization()) ||
                        IsPotentialUnboxedStore())
                           ? LocationSummary::kCallOnSlowPath
@@ skipping 10 matching lines @@
     summary->set_temp(0, Location::RequiresRegister());
     summary->set_temp(1, Location::RequiresRegister());
   } else {
     summary->set_in(1, ShouldEmitStoreBarrier()
                            ? Location::WritableRegister()
                            : Location::RegisterOrConstant(value()));
   }
   return summary;
 }
 
-
 void StoreInstanceFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(sizeof(classid_t) == kInt16Size);
   Label skip_store;
 
   const Register instance_reg = locs()->in(0).reg();
 
   if (IsUnboxedStore() && compiler->is_optimizing()) {
     const VRegister value = locs()->in(1).fpu_reg();
     const Register temp = locs()->temp(0).reg();
     const Register temp2 = locs()->temp(1).reg();
@@ skipping 132 matching lines @@
                                         locs()->in(1).constant());
     } else {
       const Register value_reg = locs()->in(1).reg();
       __ StoreIntoObjectOffsetNoBarrier(instance_reg, offset_in_bytes_,
                                         value_reg);
     }
   }
   __ Bind(&skip_store);
 }
 
-
 LocationSummary* LoadStaticFieldInstr::MakeLocationSummary(Zone* zone,
                                                            bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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();
   __ LoadFieldFromOffset(result, field, Field::static_value_offset());
 }
 
-
 LocationSummary* StoreStaticFieldInstr::MakeLocationSummary(Zone* zone,
                                                             bool opt) const {
   LocationSummary* locs =
       new (zone) LocationSummary(zone, 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::ZoneHandle(Z, field().Original()));
   if (this->value()->NeedsStoreBuffer()) {
     __ StoreIntoObjectOffset(temp, Field::static_value_offset(), value,
                              CanValueBeSmi());
   } else {
     __ StoreIntoObjectOffsetNoBarrier(temp, Field::static_value_offset(),
                                       value);
   }
 }
 
-
 LocationSummary* InstanceOfInstr::MakeLocationSummary(Zone* zone,
                                                       bool opt) const {
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(R0));  // Instance.
   summary->set_in(1, Location::RegisterLocation(R1));  // Instant. type args.
   summary->set_in(2, Location::RegisterLocation(R2));  // Function type args.
   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() == R1);  // Instantiator type arguments.
   ASSERT(locs()->in(2).reg() == R2);  // Function type arguments.
 
   compiler->GenerateInstanceOf(token_pos(), deopt_id(), type(), locs());
   ASSERT(locs()->out(0).reg() == R0);
 }
 
-
 LocationSummary* CreateArrayInstr::MakeLocationSummary(Zone* zone,
                                                        bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, 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,
                                   Label* slow_path,
                                   Label* done) {
   const int kInlineArraySize = 12;  // Same as kInlineInstanceSize.
   const Register kLengthReg = R2;
   const Register kElemTypeReg = R1;
   const intptr_t instance_size = Array::InstanceSize(num_elements);
 
@@ skipping 36 matching lines @@
       __ b(&end_loop, CS);
       __ str(R6, Address(R8));
       __ AddImmediate(R8, kWordSize);
       __ b(&init_loop);
       __ Bind(&end_loop);
     }
   }
   __ b(done);
 }
 
-
 void CreateArrayInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register kLengthReg = R2;
   const Register kElemTypeReg = R1;
   const Register kResultReg = R0;
 
   ASSERT(locs()->in(kElementTypePos).reg() == kElemTypeReg);
   ASSERT(locs()->in(kLengthPos).reg() == kLengthReg);
 
   if (compiler->is_optimizing() && !FLAG_precompiled_mode &&
       num_elements()->BindsToConstant() &&
@@ skipping 16 matching lines @@
   }
   const Code& stub = Code::ZoneHandle(compiler->zone(),
                                       StubCode::AllocateArray_entry()->code());
   compiler->AddStubCallTarget(stub);
   compiler->GenerateCallWithDeopt(token_pos(), deopt_id(),
                                   *StubCode::AllocateArray_entry(),
                                   RawPcDescriptors::kOther, locs());
   ASSERT(locs()->out(0).reg() == kResultReg);
 }
 
-
 LocationSummary* LoadFieldInstr::MakeLocationSummary(Zone* zone,
                                                      bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps =
       (IsUnboxedLoad() && opt) ? 1 : ((IsPotentialUnboxedLoad()) ? 1 : 0);
   LocationSummary* locs = new (zone) LocationSummary(
-      zone, kNumInputs, kNumTemps, (opt && !IsPotentialUnboxedLoad())
-                                       ? LocationSummary::kNoCall
-                                       : LocationSummary::kCallOnSlowPath);
+      zone, kNumInputs, kNumTemps,
+      (opt && !IsPotentialUnboxedLoad()) ? LocationSummary::kNoCall
+                                         : LocationSummary::kCallOnSlowPath);
 
   locs->set_in(0, Location::RequiresRegister());
 
   if (IsUnboxedLoad() && opt) {
     locs->set_temp(0, Location::RequiresRegister());
   } else if (IsPotentialUnboxedLoad()) {
     locs->set_temp(0, Location::RequiresRegister());
   }
   locs->set_out(0, Location::RequiresRegister());
   return locs;
 }
 
-
 void LoadFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(sizeof(classid_t) == kInt16Size);
   const Register instance_reg = locs()->in(0).reg();
   if (IsUnboxedLoad() && compiler->is_optimizing()) {
     const VRegister result = locs()->out(0).fpu_reg();
     const Register temp = locs()->temp(0).reg();
     __ LoadFieldFromOffset(temp, instance_reg, offset_in_bytes());
     const intptr_t cid = field()->UnboxedFieldCid();
     switch (cid) {
       case kDoubleCid:
@@ skipping 81 matching lines @@
       __ StoreQFieldToOffset(VTMP, result_reg, Float64x2::value_offset());
       __ b(&done);
     }
 
     __ Bind(&load_pointer);
   }
   __ LoadFieldFromOffset(result_reg, instance_reg, offset_in_bytes());
   __ Bind(&done);
 }
 
-
 LocationSummary* InstantiateTypeInstr::MakeLocationSummary(Zone* zone,
                                                            bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_in(0, Location::RegisterLocation(R0));  // Instant. type args.
   locs->set_in(1, Location::RegisterLocation(R1));  // Function type args.
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
 }
 
-
 void InstantiateTypeInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register instantiator_type_args_reg = locs()->in(0).reg();
   const Register function_type_args_reg = locs()->in(1).reg();
   const Register result_reg = locs()->out(0).reg();
 
   // 'instantiator_type_args_reg' is a TypeArguments object (or null).
   // 'function_type_args_reg' is a TypeArguments object (or null).
   // A runtime call to instantiate the type is required.
   __ PushObject(Object::null_object());  // Make room for the result.
   __ PushObject(type());
   __ PushPair(function_type_args_reg, instantiator_type_args_reg);
   compiler->GenerateRuntimeCall(token_pos(), deopt_id(),
                                 kInstantiateTypeRuntimeEntry, 3, locs());
   __ Drop(3);          // Drop 2 type argument vectors and uninstantiated type.
   __ Pop(result_reg);  // Pop instantiated type.
   ASSERT(instantiator_type_args_reg == result_reg);
 }
 
-
 LocationSummary* InstantiateTypeArgumentsInstr::MakeLocationSummary(
     Zone* zone,
     bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_in(0, Location::RegisterLocation(R0));  // Instant. type args.
   locs->set_in(1, Location::RegisterLocation(R1));  // Function type args.
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
 }
 
-
 void InstantiateTypeArgumentsInstr::EmitNativeCode(
     FlowGraphCompiler* compiler) {
   const Register instantiator_type_args_reg = locs()->in(0).reg();
   const Register function_type_args_reg = locs()->in(1).reg();
   const Register result_reg = locs()->out(0).reg();
   ASSERT(instantiator_type_args_reg == R0);
   ASSERT(instantiator_type_args_reg == result_reg);
 
   // 'instantiator_type_args_reg' is a TypeArguments object (or null).
   // 'function_type_args_reg' is a TypeArguments object (or null).
@@ skipping 46 matching lines @@
   __ PushObject(type_arguments());
   __ PushPair(function_type_args_reg, instantiator_type_args_reg);
   compiler->GenerateRuntimeCall(token_pos(), deopt_id(),
                                 kInstantiateTypeArgumentsRuntimeEntry, 3,
                                 locs());
   __ Drop(3);          // Drop 2 type argument vectors and uninstantiated args.
   __ Pop(result_reg);  // Pop instantiated type arguments.
   __ Bind(&type_arguments_instantiated);
 }
 
-
 LocationSummary* AllocateUninitializedContextInstr::MakeLocationSummary(
     Zone* zone,
     bool opt) const {
   ASSERT(opt);
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 3;
   LocationSummary* locs = new (zone) LocationSummary(
       zone, kNumInputs, kNumTemps, LocationSummary::kCallOnSlowPath);
   locs->set_temp(0, Location::RegisterLocation(R1));
   locs->set_temp(1, Location::RegisterLocation(R2));
   locs->set_temp(2, Location::RegisterLocation(R3));
   locs->set_out(0, Location::RegisterLocation(R0));
   return locs;
 }
 
-
 class AllocateContextSlowPath : public SlowPathCode {
  public:
   explicit AllocateContextSlowPath(
       AllocateUninitializedContextInstr* instruction)
       : instruction_(instruction) {}
 
   virtual void EmitNativeCode(FlowGraphCompiler* compiler) {
     __ Comment("AllocateContextSlowPath");
     __ Bind(entry_label());
 
@@ skipping 11 matching lines @@
                            RawPcDescriptors::kOther, locs);
     ASSERT(instruction_->locs()->out(0).reg() == R0);
     compiler->RestoreLiveRegisters(instruction_->locs());
     __ b(exit_label());
   }
 
  private:
   AllocateUninitializedContextInstr* instruction_;
 };
 
-
 void AllocateUninitializedContextInstr::EmitNativeCode(
     FlowGraphCompiler* compiler) {
   Register temp0 = locs()->temp(0).reg();
   Register temp1 = locs()->temp(1).reg();
   Register temp2 = locs()->temp(2).reg();
   Register result = locs()->out(0).reg();
   // Try allocate the object.
   AllocateContextSlowPath* slow_path = new AllocateContextSlowPath(this);
   compiler->AddSlowPathCode(slow_path);
   intptr_t instance_size = Context::InstanceSize(num_context_variables());
 
   __ TryAllocateArray(kContextCid, instance_size, slow_path->entry_label(),
                       result,  // instance
                       temp0, temp1, temp2);
 
   // Setup up number of context variables field.
   __ LoadImmediate(temp0, num_context_variables());
   __ str(temp0, FieldAddress(result, Context::num_variables_offset()));
 
   __ Bind(slow_path->exit_label());
 }
 
-
 LocationSummary* AllocateContextInstr::MakeLocationSummary(Zone* zone,
                                                            bool opt) const {
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 1;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, 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());
   compiler->GenerateCall(token_pos(), *StubCode::AllocateContext_entry(),
                          RawPcDescriptors::kOther, locs());
 }
 
 LocationSummary* InitStaticFieldInstr::MakeLocationSummary(Zone* zone,
                                                            bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kCall);
   locs->set_in(0, Location::RegisterLocation(R0));
   locs->set_temp(0, Location::RegisterLocation(R1));
   return locs;
 }
 
-
 void InitStaticFieldInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   Register field = locs()->in(0).reg();
   Register temp = locs()->temp(0).reg();
   Label call_runtime, no_call;
 
   __ ldr(temp, FieldAddress(field, Field::static_value_offset()));
   __ CompareObject(temp, Object::sentinel());
   __ b(&call_runtime, EQ);
 
   __ CompareObject(temp, Object::transition_sentinel());
   __ b(&no_call, NE);
 
   __ Bind(&call_runtime);
   __ PushObject(Object::null_object());  // Make room for (unused) result.
   __ Push(field);
   compiler->GenerateRuntimeCall(token_pos(), deopt_id(),
                                 kInitStaticFieldRuntimeEntry, 1, locs());
   __ Drop(2);  // Remove argument and result placeholder.
   __ Bind(&no_call);
 }
 
-
 LocationSummary* CloneContextInstr::MakeLocationSummary(Zone* zone,
                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, 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::null_object());  // 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(Zone* zone,
                                                            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(),
                                 handler_token_pos(), is_generated(),
                                 catch_handler_types_, needs_stacktrace());
   // On lazy deoptimization we patch the optimized code here to enter the
   // deoptimization stub.
   const intptr_t deopt_id = Thread::ToDeoptAfter(GetDeoptId());
   if (compiler->is_optimizing()) {
@@ skipping 43 matching lines @@
   } else {
     // Restore stack and initialize the two exception variables:
     // exception and stack trace variables.
     __ StoreToOffset(kExceptionObjectReg, FP,
                      exception_var().index() * kWordSize);
     __ StoreToOffset(kStackTraceObjectReg, FP,
                      stacktrace_var().index() * kWordSize);
   }
 }
 
-
 LocationSummary* CheckStackOverflowInstr::MakeLocationSummary(Zone* zone,
                                                               bool opt) const {
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary = new (zone) LocationSummary(
       zone, kNumInputs, kNumTemps, LocationSummary::kCallOnSlowPath);
   summary->set_temp(0, Location::RequiresRegister());
   return summary;
 }
 
-
 class CheckStackOverflowSlowPath : public SlowPathCode {
  public:
   explicit CheckStackOverflowSlowPath(CheckStackOverflowInstr* instruction)
       : instruction_(instruction) {}
 
   virtual void EmitNativeCode(FlowGraphCompiler* compiler) {
     if (compiler->isolate()->use_osr() && osr_entry_label()->IsLinked()) {
       const Register value = instruction_->locs()->temp(0).reg();
       __ Comment("CheckStackOverflowSlowPathOsr");
       __ Bind(osr_entry_label());
@@ skipping 27 matching lines @@
   Label* osr_entry_label() {
     ASSERT(Isolate::Current()->use_osr());
     return &osr_entry_label_;
   }
 
  private:
   CheckStackOverflowInstr* instruction_;
   Label osr_entry_label_;
 };
 
-
 void CheckStackOverflowInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   CheckStackOverflowSlowPath* slow_path = new CheckStackOverflowSlowPath(this);
   compiler->AddSlowPathCode(slow_path);
 
   __ ldr(TMP, Address(THR, Thread::stack_limit_offset()));
   // Compare to CSP not SP because CSP is closer to the stack limit. See
   // Assembler::EnterFrame.
   __ CompareRegisters(CSP, TMP);
   __ b(slow_path->entry_label(), LS);
   if (compiler->CanOSRFunction() && in_loop()) {
     const Register temp = locs()->temp(0).reg();
     // In unoptimized code check the usage counter to trigger OSR at loop
     // stack checks.  Use progressively higher thresholds for more deeply
     // nested loops to attempt to hit outer loops with OSR when possible.
     __ LoadObject(temp, compiler->parsed_function().function());
     intptr_t threshold =
         FLAG_optimization_counter_threshold * (loop_depth() + 1);
     __ LoadFieldFromOffset(temp, temp, Function::usage_counter_offset(), kWord);
     __ CompareImmediate(temp, threshold);
     __ b(slow_path->osr_entry_label(), GE);
   }
   if (compiler->ForceSlowPathForStackOverflow()) {
     __ b(slow_path->entry_label());
   }
   __ Bind(slow_path->exit_label());
 }
 
-
 static void EmitSmiShiftLeft(FlowGraphCompiler* compiler,
                              BinarySmiOpInstr* shift_left) {
   const LocationSummary& locs = *shift_left->locs();
   const Register left = locs.in(0).reg();
   const Register result = locs.out(0).reg();
   Label* deopt = shift_left->CanDeoptimize()
                      ? compiler->AddDeoptStub(shift_left->deopt_id(),
                                               ICData::kDeoptBinarySmiOp)
                      : NULL;
   if (locs.in(1).IsConstant()) {
@@ skipping 77 matching lines @@
     const Register temp = locs.temp(0).reg();
     __ lslv(temp, left, TMP);
     __ asrv(TMP2, temp, TMP);
     __ CompareRegisters(left, TMP2);
     __ b(deopt, NE);  // Overflow.
     // Shift for result now we know there is no overflow.
     __ lslv(result, left, TMP);
   }
 }
 
-
 class CheckedSmiSlowPath : public SlowPathCode {
  public:
   CheckedSmiSlowPath(CheckedSmiOpInstr* instruction, intptr_t try_index)
       : instruction_(instruction), try_index_(try_index) {}
 
   virtual void EmitNativeCode(FlowGraphCompiler* compiler) {
     if (Assembler::EmittingComments()) {
       __ Comment("slow path smi operation");
     }
     __ Bind(entry_label());
@@ skipping 21 matching lines @@
     compiler->RestoreLiveRegisters(locs);
     __ b(exit_label());
     compiler->pending_deoptimization_env_ = NULL;
   }
 
  private:
   CheckedSmiOpInstr* instruction_;
   intptr_t try_index_;
 };
 
-
 LocationSummary* CheckedSmiOpInstr::MakeLocationSummary(Zone* zone,
                                                         bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone) LocationSummary(
       zone, kNumInputs, kNumTemps, LocationSummary::kCallOnSlowPath);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_in(1, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
-
 void CheckedSmiOpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   CheckedSmiSlowPath* slow_path =
       new CheckedSmiSlowPath(this, compiler->CurrentTryIndex());
   compiler->AddSlowPathCode(slow_path);
   // Test operands if necessary.
   Register left = locs()->in(0).reg();
   Register right = locs()->in(1).reg();
   Register result = locs()->out(0).reg();
   intptr_t left_cid = this->left()->Type()->ToCid();
   intptr_t right_cid = this->right()->Type()->ToCid();
@@ skipping 64 matching lines @@
       __ SmiUntag(TMP, left);
       __ asrv(result, TMP, result);
       __ SmiTag(result);
       break;
     default:
       UNIMPLEMENTED();
   }
   __ Bind(slow_path->exit_label());
 }
 
-
 class CheckedSmiComparisonSlowPath : public SlowPathCode {
  public:
   CheckedSmiComparisonSlowPath(CheckedSmiComparisonInstr* instruction,
                                intptr_t try_index,
                                BranchLabels labels,
                                bool merged)
       : instruction_(instruction),
         try_index_(try_index),
         labels_(labels),
         merged_(merged) {}
@@ skipping 38 matching lines @@
     }
   }
 
  private:
   CheckedSmiComparisonInstr* instruction_;
   intptr_t try_index_;
   BranchLabels labels_;
   bool merged_;
 };
 
-
 LocationSummary* CheckedSmiComparisonInstr::MakeLocationSummary(
     Zone* zone,
     bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary = new (zone) LocationSummary(
       zone, kNumInputs, kNumTemps, LocationSummary::kCallOnSlowPath);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_in(1, Location::RequiresRegister());
   summary->set_temp(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
-
 Condition CheckedSmiComparisonInstr::EmitComparisonCode(
     FlowGraphCompiler* compiler,
     BranchLabels labels) {
   return EmitSmiComparisonOp(compiler, locs(), kind());
 }
 
-
 #define EMIT_SMI_CHECK                                                         \
   Register left = locs()->in(0).reg();                                         \
   Register right = locs()->in(1).reg();                                        \
   Register temp = locs()->temp(0).reg();                                       \
   intptr_t left_cid = this->left()->Type()->ToCid();                           \
   intptr_t right_cid = this->right()->Type()->ToCid();                         \
   if (this->left()->definition() == this->right()->definition()) {             \
     __ tsti(left, Immediate(kSmiTagMask));                                     \
   } else if (left_cid == kSmiCid) {                                            \
     __ tsti(right, Immediate(kSmiTagMask));                                    \
   } else if (right_cid == kSmiCid) {                                           \
     __ tsti(left, Immediate(kSmiTagMask));                                     \
   } else {                                                                     \
     __ orr(temp, left, Operand(right));                                        \
     __ tsti(temp, Immediate(kSmiTagMask));                                     \
   }                                                                            \
   __ b(slow_path->entry_label(), NE)
 
-
 void CheckedSmiComparisonInstr::EmitBranchCode(FlowGraphCompiler* compiler,
                                                BranchInstr* branch) {
   BranchLabels labels = compiler->CreateBranchLabels(branch);
   CheckedSmiComparisonSlowPath* slow_path = new CheckedSmiComparisonSlowPath(
       this, compiler->CurrentTryIndex(), labels,
       /* merged = */ true);
   compiler->AddSlowPathCode(slow_path);
   EMIT_SMI_CHECK;
   Condition true_condition = EmitComparisonCode(compiler, labels);
   ASSERT(true_condition != kInvalidCondition);
   EmitBranchOnCondition(compiler, true_condition, labels);
   __ Bind(slow_path->exit_label());
 }
 
-
 void CheckedSmiComparisonInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   Label true_label, false_label, done;
   BranchLabels labels = {&true_label, &false_label, &false_label};
   CheckedSmiComparisonSlowPath* slow_path = new CheckedSmiComparisonSlowPath(
       this, compiler->CurrentTryIndex(), labels,
       /* merged = */ false);
   compiler->AddSlowPathCode(slow_path);
   EMIT_SMI_CHECK;
   Condition true_condition = EmitComparisonCode(compiler, labels);
   ASSERT(true_condition != kInvalidCondition);
   EmitBranchOnCondition(compiler, true_condition, labels);
   Register result = locs()->out(0).reg();
   __ Bind(&false_label);
   __ LoadObject(result, Bool::False());
   __ b(&done);
   __ Bind(&true_label);
   __ LoadObject(result, Bool::True());
   __ Bind(&done);
   __ Bind(slow_path->exit_label());
 }
 
-
 LocationSummary* BinarySmiOpInstr::MakeLocationSummary(Zone* zone,
                                                        bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = (((op_kind() == Token::kSHL) && can_overflow()) ||
                               (op_kind() == Token::kSHR))
                                  ? 1
                                  : 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   if (op_kind() == Token::kTRUNCDIV) {
@@ skipping 18 matching lines @@
   if (((op_kind() == Token::kSHL) && can_overflow()) ||
       (op_kind() == Token::kSHR)) {
     summary->set_temp(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 BinarySmiOpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   if (op_kind() == Token::kSHL) {
     EmitSmiShiftLeft(compiler, this);
     return;
   }
 
   const Register left = locs()->in(0).reg();
   const Register result = locs()->out(0).reg();
   Label* deopt = NULL;
   if (CanDeoptimize()) {
@@ skipping 216 matching lines @@
       // behavior (short-circuit evaluation).
       UNREACHABLE();
       break;
     }
     default:
       UNREACHABLE();
       break;
   }
 }
 
-
 LocationSummary* CheckEitherNonSmiInstr::MakeLocationSummary(Zone* zone,
                                                              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 (zone)
       LocationSummary(zone, 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,
                              licm_hoisted_ ? ICData::kHoisted : 0);
   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()) {
     __ tsti(left, Immediate(kSmiTagMask));
   } else if (left_cid == kSmiCid) {
     __ tsti(right, Immediate(kSmiTagMask));
   } else if (right_cid == kSmiCid) {
     __ tsti(left, Immediate(kSmiTagMask));
   } else {
     __ orr(TMP, left, Operand(right));
     __ tsti(TMP, Immediate(kSmiTagMask));
   }
   __ b(deopt, EQ);
 }
 
-
 LocationSummary* BoxInstr::MakeLocationSummary(Zone* zone, bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary = new (zone) LocationSummary(
       zone, 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 BoxInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register out_reg = locs()->out(0).reg();
   const Register temp_reg = locs()->temp(0).reg();
   const VRegister value = locs()->in(0).fpu_reg();
 
   BoxAllocationSlowPath::Allocate(compiler, this,
                                   compiler->BoxClassFor(from_representation()),
                                   out_reg, temp_reg);
 
   switch (from_representation()) {
     case kUnboxedDouble:
       __ StoreDFieldToOffset(value, out_reg, ValueOffset());
       break;
     case kUnboxedFloat32x4:
     case kUnboxedFloat64x2:
     case kUnboxedInt32x4:
       __ StoreQFieldToOffset(value, out_reg, ValueOffset());
       break;
     default:
       UNREACHABLE();
       break;
   }
 }
 
-
 LocationSummary* UnboxInstr::MakeLocationSummary(Zone* zone, bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void UnboxInstr::EmitLoadFromBox(FlowGraphCompiler* compiler) {
   const Register box = locs()->in(0).reg();
 
   switch (representation()) {
     case kUnboxedMint: {
       UNIMPLEMENTED();
       break;
     }
 
     case kUnboxedDouble: {
       const VRegister result = locs()->out(0).fpu_reg();
       __ LoadDFieldFromOffset(result, box, ValueOffset());
       break;
     }
 
     case kUnboxedFloat32x4:
     case kUnboxedFloat64x2:
     case kUnboxedInt32x4: {
       const VRegister result = locs()->out(0).fpu_reg();
       __ LoadQFieldFromOffset(result, box, ValueOffset());
       break;
     }
 
     default:
       UNREACHABLE();
       break;
   }
 }
 
-
 void UnboxInstr::EmitSmiConversion(FlowGraphCompiler* compiler) {
   const Register box = locs()->in(0).reg();
 
   switch (representation()) {
     case kUnboxedMint: {
       UNIMPLEMENTED();
       break;
     }
 
     case kUnboxedDouble: {
       const VRegister result = locs()->out(0).fpu_reg();
       __ SmiUntag(TMP, box);
       __ scvtfdx(result, TMP);
       break;
     }
 
     default:
       UNREACHABLE();
       break;
   }
 }
 
-
 void UnboxInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const intptr_t value_cid = value()->Type()->ToCid();
   const intptr_t box_cid = BoxCid();
 
   if (value_cid == box_cid) {
     EmitLoadFromBox(compiler);
   } else if (CanConvertSmi() && (value_cid == kSmiCid)) {
     EmitSmiConversion(compiler);
   } else {
     const Register box = locs()->in(0).reg();
@@ skipping 17 matching lines @@
     if (is_smi.IsLinked()) {
       Label done;
       __ b(&done);
       __ Bind(&is_smi);
       EmitSmiConversion(compiler);
       __ Bind(&done);
     }
   }
 }
 
-
 LocationSummary* BoxInteger32Instr::MakeLocationSummary(Zone* zone,
                                                         bool opt) const {
   ASSERT((from_representation() == kUnboxedInt32) ||
          (from_representation() == kUnboxedUint32));
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
-
 void BoxInteger32Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   Register value = locs()->in(0).reg();
   Register out = locs()->out(0).reg();
   ASSERT(value != out);
 
   ASSERT(kSmiTagSize == 1);
   // TODO(vegorov) implement and use UBFM/SBFM for this.
   __ LslImmediate(out, value, 32);
   if (from_representation() == kUnboxedInt32) {
     __ AsrImmediate(out, out, 32 - kSmiTagSize);
   } else {
     ASSERT(from_representation() == kUnboxedUint32);
     __ LsrImmediate(out, out, 32 - kSmiTagSize);
   }
 }
 
-
 DEFINE_UNIMPLEMENTED_INSTRUCTION(BoxInt64Instr)
 
-
 LocationSummary* UnboxInteger32Instr::MakeLocationSummary(Zone* zone,
                                                           bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
-
 void UnboxInteger32Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const intptr_t value_cid = value()->Type()->ToCid();
   const Register out = locs()->out(0).reg();
   const Register value = locs()->in(0).reg();
-  Label* deopt =
-      CanDeoptimize()
-          ? compiler->AddDeoptStub(GetDeoptId(), ICData::kDeoptUnboxInteger)
-          : NULL;
+  Label* deopt = CanDeoptimize() ? compiler->AddDeoptStub(
+                                       GetDeoptId(), ICData::kDeoptUnboxInteger)
+                                 : NULL;
 
   if (value_cid == kSmiCid) {
     __ SmiUntag(out, value);
   } else if (value_cid == kMintCid) {
     __ LoadFieldFromOffset(out, value, Mint::value_offset());
   } else if (!CanDeoptimize()) {
     // Type information is not conclusive, but range analysis found
     // the value to be in int64 range. Therefore it must be a smi
     // or mint value.
     ASSERT(is_truncating());
@@ skipping 16 matching lines @@
 
   // TODO(vegorov): as it is implemented right now truncating unboxing would
   // leave "garbage" in the higher word.
   if (!is_truncating() && (deopt != NULL)) {
     ASSERT(representation() == kUnboxedInt32);
     __ cmp(out, Operand(out, SXTW, 0));
     __ b(deopt, NE);
   }
 }
 
-
 LocationSummary* BinaryDoubleOpInstr::MakeLocationSummary(Zone* zone,
                                                           bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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 VRegister left = locs()->in(0).fpu_reg();
   const VRegister right = locs()->in(1).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
   switch (op_kind()) {
     case Token::kADD:
       __ faddd(result, left, right);
       break;
     case Token::kSUB:
       __ fsubd(result, left, right);
       break;
     case Token::kMUL:
       __ fmuld(result, left, right);
       break;
     case Token::kDIV:
       __ fdivd(result, left, right);
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* DoubleTestOpInstr::MakeLocationSummary(Zone* zone,
                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps =
       op_kind() == MethodRecognizer::kDouble_getIsInfinite ? 1 : 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   if (op_kind() == MethodRecognizer::kDouble_getIsInfinite) {
     summary->set_temp(0, Location::RequiresRegister());
   }
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
-
 Condition DoubleTestOpInstr::EmitComparisonCode(FlowGraphCompiler* compiler,
                                                 BranchLabels labels) {
   ASSERT(compiler->is_optimizing());
   const VRegister value = locs()->in(0).fpu_reg();
   const bool is_negated = kind() != Token::kEQ;
   if (op_kind() == MethodRecognizer::kDouble_getIsNaN) {
     __ fcmpd(value, value);
     return is_negated ? VC : VS;
   } else {
     ASSERT(op_kind() == MethodRecognizer::kDouble_getIsInfinite);
     const Register temp = locs()->temp(0).reg();
     __ vmovrd(temp, value, 0);
     // Mask off the sign.
     __ AndImmediate(temp, temp, 0x7FFFFFFFFFFFFFFFLL);
     // Compare with +infinity.
     __ CompareImmediate(temp, 0x7FF0000000000000LL);
     return is_negated ? NE : EQ;
   }
 }
 
-
 LocationSummary* BinaryFloat32x4OpInstr::MakeLocationSummary(Zone* zone,
                                                              bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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 VRegister left = locs()->in(0).fpu_reg();
   const VRegister right = locs()->in(1).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   switch (op_kind()) {
     case Token::kADD:
       __ vadds(result, left, right);
       break;
     case Token::kSUB:
       __ vsubs(result, left, right);
       break;
     case Token::kMUL:
       __ vmuls(result, left, right);
       break;
     case Token::kDIV:
       __ vdivs(result, left, right);
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* BinaryFloat64x2OpInstr::MakeLocationSummary(Zone* zone,
                                                              bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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 VRegister left = locs()->in(0).fpu_reg();
   const VRegister right = locs()->in(1).fpu_reg();
   const VRegister result = 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* Simd32x4ShuffleInstr::MakeLocationSummary(Zone* zone,
                                                            bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new LocationSummary(zone, kNumInputs, kNumTemps,
                                                  LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Simd32x4ShuffleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister value = locs()->in(0).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat32x4ShuffleX:
       __ vinss(result, 0, value, 0);
       __ fcvtds(result, result);
       break;
     case MethodRecognizer::kFloat32x4ShuffleY:
@@ skipping 23 matching lines @@
         __ vinss(result, 1, value, (mask_ >> 2) & 0x3);
         __ vinss(result, 2, value, (mask_ >> 4) & 0x3);
         __ vinss(result, 3, value, (mask_ >> 6) & 0x3);
       }
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* Simd32x4ShuffleMixInstr::MakeLocationSummary(Zone* zone,
                                                               bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new LocationSummary(zone, 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 Simd32x4ShuffleMixInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister left = locs()->in(0).fpu_reg();
   const VRegister right = locs()->in(1).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat32x4ShuffleMix:
     case MethodRecognizer::kInt32x4ShuffleMix:
       __ vinss(result, 0, left, mask_ & 0x3);
       __ vinss(result, 1, left, (mask_ >> 2) & 0x3);
       __ vinss(result, 2, right, (mask_ >> 4) & 0x3);
       __ vinss(result, 3, right, (mask_ >> 6) & 0x3);
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* Simd32x4GetSignMaskInstr::MakeLocationSummary(Zone* zone,
                                                                bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary = new LocationSummary(zone, kNumInputs, kNumTemps,
                                                  LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_temp(0, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
-
 void Simd32x4GetSignMaskInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister value = locs()->in(0).fpu_reg();
   const Register out = locs()->out(0).reg();
   const Register temp = locs()->temp(0).reg();
 
   // X lane.
   __ vmovrs(out, value, 0);
   __ LsrImmediate(out, out, 31);
   // Y lane.
   __ vmovrs(temp, value, 1);
   __ LsrImmediate(temp, temp, 31);
   __ orr(out, out, Operand(temp, LSL, 1));
   // Z lane.
   __ vmovrs(temp, value, 2);
   __ LsrImmediate(temp, temp, 31);
   __ orr(out, out, Operand(temp, LSL, 2));
   // W lane.
   __ vmovrs(temp, value, 3);
   __ LsrImmediate(temp, temp, 31);
   __ orr(out, out, Operand(temp, LSL, 3));
   // Tag.
   __ SmiTag(out);
 }
 
-
 LocationSummary* Float32x4ConstructorInstr::MakeLocationSummary(
     Zone* zone,
     bool opt) const {
   const intptr_t kNumInputs = 4;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Float32x4ConstructorInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister v0 = locs()->in(0).fpu_reg();
   const VRegister v1 = locs()->in(1).fpu_reg();
   const VRegister v2 = locs()->in(2).fpu_reg();
   const VRegister v3 = locs()->in(3).fpu_reg();
   const VRegister r = locs()->out(0).fpu_reg();
 
   __ fcvtsd(VTMP, v0);
   __ vinss(r, 0, VTMP, 0);
   __ fcvtsd(VTMP, v1);
   __ vinss(r, 1, VTMP, 0);
   __ fcvtsd(VTMP, v2);
   __ vinss(r, 2, VTMP, 0);
   __ fcvtsd(VTMP, v3);
   __ vinss(r, 3, VTMP, 0);
 }
 
-
 LocationSummary* Float32x4ZeroInstr::MakeLocationSummary(Zone* zone,
                                                          bool opt) const {
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Float32x4ZeroInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister v = locs()->out(0).fpu_reg();
   __ veor(v, v, v);
 }
 
-
 LocationSummary* Float32x4SplatInstr::MakeLocationSummary(Zone* zone,
                                                           bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Float32x4SplatInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister value = locs()->in(0).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   // Convert to Float32.
   __ fcvtsd(VTMP, value);
 
   // Splat across all lanes.
   __ vdups(result, VTMP, 0);
 }
 
-
 LocationSummary* Float32x4ComparisonInstr::MakeLocationSummary(Zone* zone,
                                                                bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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 VRegister left = locs()->in(0).fpu_reg();
   const VRegister right = locs()->in(1).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat32x4Equal:
       __ vceqs(result, left, right);
       break;
     case MethodRecognizer::kFloat32x4NotEqual:
@@ skipping 12 matching lines @@
       break;
     case MethodRecognizer::kFloat32x4LessThanOrEqual:
       __ vcges(result, right, left);
       break;
 
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* Float32x4MinMaxInstr::MakeLocationSummary(Zone* zone,
                                                            bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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 VRegister left = locs()->in(0).fpu_reg();
   const VRegister right = locs()->in(1).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat32x4Min:
       __ vmins(result, left, right);
       break;
     case MethodRecognizer::kFloat32x4Max:
       __ vmaxs(result, left, right);
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* Float32x4SqrtInstr::MakeLocationSummary(Zone* zone,
                                                          bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Float32x4SqrtInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister left = locs()->in(0).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat32x4Sqrt:
       __ vsqrts(result, left);
       break;
     case MethodRecognizer::kFloat32x4Reciprocal:
       __ VRecps(result, left);
       break;
     case MethodRecognizer::kFloat32x4ReciprocalSqrt:
       __ VRSqrts(result, left);
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* Float32x4ScaleInstr::MakeLocationSummary(Zone* zone,
                                                           bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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 VRegister left = locs()->in(0).fpu_reg();
   const VRegister right = locs()->in(1).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat32x4Scale:
       __ fcvtsd(VTMP, left);
       __ vdups(result, VTMP, 0);
       __ vmuls(result, result, right);
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* Float32x4ZeroArgInstr::MakeLocationSummary(Zone* zone,
                                                             bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new LocationSummary(zone, kNumInputs, kNumTemps,
                                                  LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Float32x4ZeroArgInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister left = locs()->in(0).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat32x4Negate:
       __ vnegs(result, left);
       break;
     case MethodRecognizer::kFloat32x4Absolute:
       __ vabss(result, left);
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* Float32x4ClampInstr::MakeLocationSummary(Zone* zone,
                                                           bool opt) const {
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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 VRegister left = locs()->in(0).fpu_reg();
   const VRegister lower = locs()->in(1).fpu_reg();
   const VRegister upper = locs()->in(2).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
   __ vmins(result, left, upper);
   __ vmaxs(result, result, lower);
 }
 
-
 LocationSummary* Float32x4WithInstr::MakeLocationSummary(Zone* zone,
                                                          bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new LocationSummary(zone, 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 Float32x4WithInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister replacement = locs()->in(0).fpu_reg();
   const VRegister value = locs()->in(1).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   __ fcvtsd(VTMP, replacement);
   if (result != value) {
     __ vmov(result, value);
   }
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat32x4WithX:
       __ vinss(result, 0, VTMP, 0);
       break;
     case MethodRecognizer::kFloat32x4WithY:
       __ vinss(result, 1, VTMP, 0);
       break;
     case MethodRecognizer::kFloat32x4WithZ:
       __ vinss(result, 2, VTMP, 0);
       break;
     case MethodRecognizer::kFloat32x4WithW:
       __ vinss(result, 3, VTMP, 0);
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* Float32x4ToInt32x4Instr::MakeLocationSummary(Zone* zone,
                                                               bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new LocationSummary(zone, kNumInputs, kNumTemps,
                                                  LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Float32x4ToInt32x4Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister value = locs()->in(0).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   if (value != result) {
     __ vmov(result, value);
   }
 }
 
-
 LocationSummary* Simd64x2ShuffleInstr::MakeLocationSummary(Zone* zone,
                                                            bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Simd64x2ShuffleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister value = locs()->in(0).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat64x2GetX:
       __ vinsd(result, 0, value, 0);
       break;
     case MethodRecognizer::kFloat64x2GetY:
       __ vinsd(result, 0, value, 1);
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* Float64x2ZeroInstr::MakeLocationSummary(Zone* zone,
                                                          bool opt) const {
   const intptr_t kNumInputs = 0;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Float64x2ZeroInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister v = locs()->out(0).fpu_reg();
   __ veor(v, v, v);
 }
 
-
 LocationSummary* Float64x2SplatInstr::MakeLocationSummary(Zone* zone,
                                                           bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Float64x2SplatInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister value = locs()->in(0).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
   __ vdupd(result, value, 0);
 }
 
-
 LocationSummary* Float64x2ConstructorInstr::MakeLocationSummary(
     Zone* zone,
     bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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 VRegister v0 = locs()->in(0).fpu_reg();
   const VRegister v1 = locs()->in(1).fpu_reg();
   const VRegister r = locs()->out(0).fpu_reg();
   __ vinsd(r, 0, v0, 0);
   __ vinsd(r, 1, v1, 0);
 }
 
-
 LocationSummary* Float64x2ToFloat32x4Instr::MakeLocationSummary(
     Zone* zone,
     bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new LocationSummary(zone, kNumInputs, kNumTemps,
                                                  LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Float64x2ToFloat32x4Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister q = locs()->in(0).fpu_reg();
   const VRegister r = locs()->out(0).fpu_reg();
 
   // Zero register.
   __ veor(r, r, r);
   // Set X lane.
   __ vinsd(VTMP, 0, q, 0);
   __ fcvtsd(VTMP, VTMP);
   __ vinss(r, 0, VTMP, 0);
   // Set Y lane.
   __ vinsd(VTMP, 0, q, 1);
   __ fcvtsd(VTMP, VTMP);
   __ vinss(r, 1, VTMP, 0);
 }
 
-
 LocationSummary* Float32x4ToFloat64x2Instr::MakeLocationSummary(
     Zone* zone,
     bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new LocationSummary(zone, kNumInputs, kNumTemps,
                                                  LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Float32x4ToFloat64x2Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister q = locs()->in(0).fpu_reg();
   const VRegister r = locs()->out(0).fpu_reg();
 
   // Set X.
   __ vinss(VTMP, 0, q, 0);
   __ fcvtds(VTMP, VTMP);
   __ vinsd(r, 0, VTMP, 0);
   // Set Y.
   __ vinss(VTMP, 0, q, 1);
   __ fcvtds(VTMP, VTMP);
   __ vinsd(r, 1, VTMP, 0);
 }
 
-
 LocationSummary* Float64x2ZeroArgInstr::MakeLocationSummary(Zone* zone,
                                                             bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
 
   if (representation() == kTagged) {
     ASSERT(op_kind() == MethodRecognizer::kFloat64x2GetSignMask);
     summary->set_in(0, Location::RequiresFpuRegister());
     summary->set_out(0, Location::RequiresRegister());
   } else {
     summary->set_in(0, Location::RequiresFpuRegister());
     summary->set_out(0, Location::RequiresFpuRegister());
   }
   return summary;
 }
 
-
 void Float64x2ZeroArgInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister value = locs()->in(0).fpu_reg();
 
   if ((op_kind() == MethodRecognizer::kFloat64x2GetSignMask)) {
     const Register out = locs()->out(0).reg();
 
     // Bits of X lane.
     __ vmovrd(out, value, 0);
     __ LsrImmediate(out, out, 63);
     // Bits of Y lane.
@@ skipping 15 matching lines @@
       __ vabsd(result, value);
       break;
     case MethodRecognizer::kFloat64x2Sqrt:
       __ vsqrtd(result, value);
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* Float64x2OneArgInstr::MakeLocationSummary(Zone* zone,
                                                            bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new LocationSummary(zone, 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 VRegister left = locs()->in(0).fpu_reg();
   const VRegister right = locs()->in(1).fpu_reg();
   const VRegister out = locs()->out(0).fpu_reg();
   ASSERT(left == out);
 
   switch (op_kind()) {
     case MethodRecognizer::kFloat64x2Scale:
       __ vdupd(VTMP, right, 0);
       __ vmuld(out, left, VTMP);
       break;
     case MethodRecognizer::kFloat64x2WithX:
       __ vinsd(out, 0, right, 0);
       break;
     case MethodRecognizer::kFloat64x2WithY:
       __ vinsd(out, 1, right, 0);
       break;
     case MethodRecognizer::kFloat64x2Min:
       __ vmind(out, left, right);
       break;
     case MethodRecognizer::kFloat64x2Max:
       __ vmaxd(out, left, right);
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* Int32x4ConstructorInstr::MakeLocationSummary(Zone* zone,
                                                               bool opt) const {
   const intptr_t kNumInputs = 4;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Int32x4ConstructorInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register v0 = locs()->in(0).reg();
   const Register v1 = locs()->in(1).reg();
   const Register v2 = locs()->in(2).reg();
   const Register v3 = locs()->in(3).reg();
   const VRegister result = locs()->out(0).fpu_reg();
   __ veor(result, result, result);
   __ vinsw(result, 0, v0);
   __ vinsw(result, 1, v1);
   __ vinsw(result, 2, v2);
   __ vinsw(result, 3, v3);
 }
 
-
 LocationSummary* Int32x4BoolConstructorInstr::MakeLocationSummary(
     Zone* zone,
     bool opt) const {
   const intptr_t kNumInputs = 4;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary = new LocationSummary(zone, 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());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Int32x4BoolConstructorInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register v0 = locs()->in(0).reg();
   const Register v1 = locs()->in(1).reg();
   const Register v2 = locs()->in(2).reg();
   const Register v3 = locs()->in(3).reg();
   const Register temp = locs()->temp(0).reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   __ veor(result, result, result);
   __ LoadImmediate(temp, 0xffffffff);
@@ skipping 13 matching lines @@
   __ CompareRegisters(v2, TMP2);
   __ csel(TMP, temp, ZR, EQ);
   __ vinsw(result, 2, TMP);
 
   // __ CompareObject(v3, Bool::True());
   __ CompareRegisters(v3, TMP2);
   __ csel(TMP, temp, ZR, EQ);
   __ vinsw(result, 3, TMP);
 }
 
-
 LocationSummary* Int32x4GetFlagInstr::MakeLocationSummary(Zone* zone,
                                                           bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new LocationSummary(zone, kNumInputs, kNumTemps,
                                                  LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresRegister());
   return summary;
 }
 
-
 void Int32x4GetFlagInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister value = locs()->in(0).fpu_reg();
   const Register result = locs()->out(0).reg();
 
   switch (op_kind()) {
     case MethodRecognizer::kInt32x4GetFlagX:
       __ vmovrs(result, value, 0);
       break;
     case MethodRecognizer::kInt32x4GetFlagY:
       __ vmovrs(result, value, 1);
       break;
     case MethodRecognizer::kInt32x4GetFlagZ:
       __ vmovrs(result, value, 2);
       break;
     case MethodRecognizer::kInt32x4GetFlagW:
       __ vmovrs(result, value, 3);
       break;
     default:
       UNREACHABLE();
   }
 
   __ tst(result, Operand(result));
   __ LoadObject(result, Bool::True());
   __ LoadObject(TMP, Bool::False());
   __ csel(result, TMP, result, EQ);
 }
 
-
 LocationSummary* Int32x4SelectInstr::MakeLocationSummary(Zone* zone,
                                                          bool opt) const {
   const intptr_t kNumInputs = 3;
   const intptr_t kNumTemps = 1;
   LocationSummary* summary = new LocationSummary(zone, 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 VRegister mask = locs()->in(0).fpu_reg();
   const VRegister trueValue = locs()->in(1).fpu_reg();
   const VRegister falseValue = locs()->in(2).fpu_reg();
   const VRegister out = locs()->out(0).fpu_reg();
   const VRegister temp = locs()->temp(0).fpu_reg();
 
   // Copy mask.
   __ vmov(temp, mask);
   // Invert it.
   __ vnot(temp, temp);
   // mask = mask & trueValue.
   __ vand(mask, mask, trueValue);
   // temp = temp & falseValue.
   __ vand(temp, temp, falseValue);
   // out = mask | temp.
   __ vorr(out, mask, temp);
 }
 
-
 LocationSummary* Int32x4SetFlagInstr::MakeLocationSummary(Zone* zone,
                                                           bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new LocationSummary(zone, kNumInputs, kNumTemps,
                                                  LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_in(1, Location::RequiresRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Int32x4SetFlagInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister mask = locs()->in(0).fpu_reg();
   const Register flag = locs()->in(1).reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   if (result != mask) {
     __ vmov(result, mask);
   }
 
   __ CompareObject(flag, Bool::True());
@@ skipping 10 matching lines @@
       __ vinsw(result, 2, TMP);
       break;
     case MethodRecognizer::kInt32x4WithFlagW:
       __ vinsw(result, 3, TMP);
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* Int32x4ToFloat32x4Instr::MakeLocationSummary(Zone* zone,
                                                               bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new LocationSummary(zone, kNumInputs, kNumTemps,
                                                  LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void Int32x4ToFloat32x4Instr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister value = locs()->in(0).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
 
   if (value != result) {
     __ vmov(result, value);
   }
 }
 
-
 LocationSummary* BinaryInt32x4OpInstr::MakeLocationSummary(Zone* zone,
                                                            bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new LocationSummary(zone, 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 VRegister left = locs()->in(0).fpu_reg();
   const VRegister right = locs()->in(1).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
   switch (op_kind()) {
     case Token::kBIT_AND:
       __ vand(result, left, right);
       break;
     case Token::kBIT_OR:
       __ vorr(result, left, right);
       break;
     case Token::kBIT_XOR:
       __ veor(result, left, right);
       break;
     case Token::kADD:
       __ vaddw(result, left, right);
       break;
     case Token::kSUB:
       __ vsubw(result, left, right);
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* MathUnaryInstr::MakeLocationSummary(Zone* zone,
                                                      bool opt) const {
   ASSERT((kind() == MathUnaryInstr::kSqrt) ||
          (kind() == MathUnaryInstr::kDoubleSquare));
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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 VRegister val = locs()->in(0).fpu_reg();
     const VRegister result = locs()->out(0).fpu_reg();
     __ fsqrtd(result, val);
   } else if (kind() == MathUnaryInstr::kDoubleSquare) {
     const VRegister val = locs()->in(0).fpu_reg();
     const VRegister result = locs()->out(0).fpu_reg();
     __ fmuld(result, val, val);
   } else {
     UNREACHABLE();
   }
 }
 
-
 LocationSummary* CaseInsensitiveCompareUC16Instr::MakeLocationSummary(
     Zone* zone,
     bool opt) const {
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, InputCount(), kNumTemps, LocationSummary::kCall);
   summary->set_in(0, Location::RegisterLocation(R0));
   summary->set_in(1, Location::RegisterLocation(R1));
   summary->set_in(2, Location::RegisterLocation(R2));
   summary->set_in(3, Location::RegisterLocation(R3));
   summary->set_out(0, Location::RegisterLocation(R0));
   return summary;
 }
 
-
 void CaseInsensitiveCompareUC16Instr::EmitNativeCode(
     FlowGraphCompiler* compiler) {
   // Call the function.
   __ CallRuntime(TargetFunction(), TargetFunction().argument_count());
 }
 
-
 LocationSummary* MathMinMaxInstr::MakeLocationSummary(Zone* zone,
                                                       bool opt) const {
   if (result_cid() == kDoubleCid) {
     const intptr_t kNumInputs = 2;
     const intptr_t kNumTemps = 0;
     LocationSummary* summary = new (zone)
         LocationSummary(zone, 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());
     return summary;
   }
   ASSERT(result_cid() == kSmiCid);
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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) ||
          (op_kind() == MethodRecognizer::kMathMax));
   const intptr_t is_min = (op_kind() == MethodRecognizer::kMathMin);
   if (result_cid() == kDoubleCid) {
     Label done, returns_nan, are_equal;
     const VRegister left = locs()->in(0).fpu_reg();
     const VRegister right = locs()->in(1).fpu_reg();
     const VRegister result = locs()->out(0).fpu_reg();
     __ fcmpd(left, right);
@@ skipping 39 matching lines @@
   const Register result = locs()->out(0).reg();
   __ CompareRegisters(left, right);
   ASSERT(result == left);
   if (is_min) {
     __ csel(result, right, left, GT);
   } else {
     __ csel(result, right, left, LT);
   }
 }
 
-
 LocationSummary* UnarySmiOpInstr::MakeLocationSummary(Zone* zone,
                                                       bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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);
       __ subs(result, ZR, Operand(value));
       __ b(deopt, VS);
       break;
     }
     case Token::kBIT_NOT:
       __ mvn(result, value);
       // Remove inverted smi-tag.
       __ andi(result, result, Immediate(~kSmiTagMask));
       break;
     default:
       UNREACHABLE();
   }
 }
 
-
 LocationSummary* UnaryDoubleOpInstr::MakeLocationSummary(Zone* zone,
                                                          bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresFpuRegister());
   summary->set_out(0, Location::RequiresFpuRegister());
   return summary;
 }
 
-
 void UnaryDoubleOpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister result = locs()->out(0).fpu_reg();
   const VRegister value = locs()->in(0).fpu_reg();
   __ fnegd(result, value);
 }
 
-
 LocationSummary* Int32ToDoubleInstr::MakeLocationSummary(Zone* zone,
                                                          bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* result = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   result->set_in(0, Location::RequiresRegister());
   result->set_out(0, Location::RequiresFpuRegister());
   return result;
 }
 
-
 void Int32ToDoubleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register value = locs()->in(0).reg();
   const VRegister result = locs()->out(0).fpu_reg();
   __ scvtfdw(result, value);
 }
 
-
 LocationSummary* SmiToDoubleInstr::MakeLocationSummary(Zone* zone,
                                                        bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* result = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   result->set_in(0, Location::RequiresRegister());
   result->set_out(0, Location::RequiresFpuRegister());
   return result;
 }
 
-
 void SmiToDoubleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Register value = locs()->in(0).reg();
   const VRegister result = locs()->out(0).fpu_reg();
   __ SmiUntag(TMP, value);
   __ scvtfdx(result, TMP);
 }
 
-
 LocationSummary* MintToDoubleInstr::MakeLocationSummary(Zone* zone,
                                                         bool opt) const {
   UNIMPLEMENTED();
   return NULL;
 }
 
-
 void MintToDoubleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   UNIMPLEMENTED();
 }
 
-
 LocationSummary* DoubleToIntegerInstr::MakeLocationSummary(Zone* zone,
                                                            bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* result = new (zone)
       LocationSummary(zone, 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);
   ASSERT(result != value_obj);
   __ LoadDFieldFromOffset(VTMP, value_obj, Double::value_offset());
 
   Label do_call, done;
   // First check for NaN. Checking for minint after the conversion doesn't work
   // on ARM64 because fcvtzds gives 0 for NaN.
@@ skipping 16 matching lines @@
   const Function& target = Function::ZoneHandle(ic_data.GetTargetAt(0));
   const int kTypeArgsLen = 0;
   const int kNumberOfArguments = 1;
   const Array& kNoArgumentNames = Object::null_array();
   ArgumentsInfo args_info(kTypeArgsLen, kNumberOfArguments, kNoArgumentNames);
   compiler->GenerateStaticCall(deopt_id(), instance_call()->token_pos(), target,
                                args_info, locs(), ICData::Handle());
   __ Bind(&done);
 }
 
-
 LocationSummary* DoubleToSmiInstr::MakeLocationSummary(Zone* zone,
                                                        bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* result = new (zone)
       LocationSummary(zone, 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 VRegister value = locs()->in(0).fpu_reg();
   // First check for NaN. Checking for minint after the conversion doesn't work
   // on ARM64 because fcvtzds gives 0 for NaN.
   // TODO(zra): Check spec that this is true.
   __ fcmpd(value, value);
   __ b(deopt, VS);
 
   __ fcvtzds(result, value);
   // Check for overflow and that it fits into Smi.
   __ CompareImmediate(result, 0xC000000000000000);
   __ b(deopt, MI);
   __ SmiTag(result);
 }
 
-
 LocationSummary* DoubleToDoubleInstr::MakeLocationSummary(Zone* zone,
                                                           bool opt) const {
   UNIMPLEMENTED();
   return NULL;
 }
 
-
 void DoubleToDoubleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   UNIMPLEMENTED();
 }
 
-
 LocationSummary* DoubleToFloatInstr::MakeLocationSummary(Zone* zone,
                                                          bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* result = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   result->set_in(0, Location::RequiresFpuRegister());
   result->set_out(0, Location::RequiresFpuRegister());
   return result;
 }
 
-
 void DoubleToFloatInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister value = locs()->in(0).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
   __ fcvtsd(result, value);
 }
 
-
 LocationSummary* FloatToDoubleInstr::MakeLocationSummary(Zone* zone,
                                                          bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* result = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   result->set_in(0, Location::RequiresFpuRegister());
   result->set_out(0, Location::RequiresFpuRegister());
   return result;
 }
 
-
 void FloatToDoubleInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const VRegister value = locs()->in(0).fpu_reg();
   const VRegister result = locs()->out(0).fpu_reg();
   __ fcvtds(result, value);
 }
 
-
 LocationSummary* InvokeMathCFunctionInstr::MakeLocationSummary(Zone* zone,
                                                                bool opt) const {
   ASSERT((InputCount() == 1) || (InputCount() == 2));
   const intptr_t kNumTemps =
       (recognized_kind() == MethodRecognizer::kMathDoublePow) ? 1 : 0;
   LocationSummary* result = new (zone)
       LocationSummary(zone, InputCount(), kNumTemps, LocationSummary::kCall);
   result->set_in(0, Location::FpuRegisterLocation(V0));
   if (InputCount() == 2) {
     result->set_in(1, Location::FpuRegisterLocation(V1));
   }
   if (recognized_kind() == MethodRecognizer::kMathDoublePow) {
     result->set_temp(0, Location::FpuRegisterLocation(V30));
   }
   result->set_out(0, Location::FpuRegisterLocation(V0));
   return result;
 }
 
-
 // Pseudo code:
 // if (exponent == 0.0) return 1.0;
 // // Speed up simple cases.
 // if (exponent == 1.0) return base;
 // if (exponent == 2.0) return base * base;
 // if (exponent == 3.0) return base * base * base;
 // if (base == 1.0) return 1.0;
 // if (base.isNaN || exponent.isNaN) {
 //    return double.NAN;
 // }
@@ skipping 92 matching lines @@
   __ LoadDImmediate(result, 0.0);
   __ b(&skip_call);
 
   __ Bind(&do_pow);
   __ fmovdd(base, saved_base);  // Restore base.
 
   __ CallRuntime(instr->TargetFunction(), kInputCount);
   __ Bind(&skip_call);
 }
 
-
 void InvokeMathCFunctionInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   if (recognized_kind() == MethodRecognizer::kMathDoublePow) {
     InvokeDoublePow(compiler, this);
     return;
   }
   __ CallRuntime(TargetFunction(), InputCount());
 }
 
-
 LocationSummary* ExtractNthOutputInstr::MakeLocationSummary(Zone* zone,
                                                             bool opt) const {
   // Only use this instruction in optimized code.
   ASSERT(opt);
   const intptr_t kNumInputs = 1;
   LocationSummary* summary =
       new (zone) LocationSummary(zone, kNumInputs, 0, LocationSummary::kNoCall);
   if (representation() == kUnboxedDouble) {
     if (index() == 0) {
       summary->set_in(
@@ skipping 12 matching lines @@
     } else {
       ASSERT(index() == 1);
       summary->set_in(
           0, Location::Pair(Location::Any(), Location::RequiresRegister()));
     }
     summary->set_out(0, Location::RequiresRegister());
   }
   return summary;
 }
 
-
 void ExtractNthOutputInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(locs()->in(0).IsPairLocation());
   PairLocation* pair = locs()->in(0).AsPairLocation();
   Location in_loc = pair->At(index());
   if (representation() == kUnboxedDouble) {
     const VRegister out = locs()->out(0).fpu_reg();
     const VRegister in = in_loc.fpu_reg();
     __ fmovdd(out, in);
   } else {
     ASSERT(representation() == kTagged);
     const Register out = locs()->out(0).reg();
     const Register in = in_loc.reg();
     __ mov(out, in);
   }
 }
 
-
 LocationSummary* TruncDivModInstr::MakeLocationSummary(Zone* zone,
                                                        bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   summary->set_in(1, Location::RequiresRegister());
   // Output is a pair of registers.
   summary->set_out(0, Location::Pair(Location::RequiresRegister(),
                                      Location::RequiresRegister()));
   return summary;
 }
 
-
 void TruncDivModInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(CanDeoptimize());
   Label* deopt = compiler->AddDeoptStub(deopt_id(), ICData::kDeoptBinarySmiOp);
   const Register left = locs()->in(0).reg();
   const Register right = locs()->in(1).reg();
   ASSERT(locs()->out(0).IsPairLocation());
   const PairLocation* pair = locs()->out(0).AsPairLocation();
   const Register result_div = pair->At(0).reg();
   const Register result_mod = pair->At(1).reg();
   if (RangeUtils::CanBeZero(divisor_range())) {
@@ skipping 28 matching lines @@
   __ CompareRegisters(result_mod, ZR);
   __ b(&done, GE);
   // Result is negative, adjust it.
   __ CompareRegisters(right, ZR);
   __ sub(TMP2, result_mod, Operand(right));
   __ add(TMP, result_mod, Operand(right));
   __ csel(result_mod, TMP, TMP2, GE);
   __ Bind(&done);
 }
 
-
 LocationSummary* PolymorphicInstanceCallInstr::MakeLocationSummary(
     Zone* zone,
     bool opt) const {
   return MakeCallSummary(zone);
 }
 
-
 LocationSummary* BranchInstr::MakeLocationSummary(Zone* zone, bool opt) const {
   comparison()->InitializeLocationSummary(zone, 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(Zone* zone,
                                                       bool opt) const {
   const intptr_t kNumInputs = 1;
   const bool need_mask_temp = IsBitTest();
   const intptr_t kNumTemps = !IsNullCheck() ? (need_mask_temp ? 2 : 1) : 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, Location::RequiresRegister());
   if (!IsNullCheck()) {
     summary->set_temp(0, Location::RequiresRegister());
     if (need_mask_temp) {
       summary->set_temp(1, Location::RequiresRegister());
     }
   }
   return summary;
 }
 
-
 void CheckClassInstr::EmitNullCheck(FlowGraphCompiler* compiler, Label* deopt) {
   __ CompareObject(locs()->in(0).reg(), Object::null_object());
   ASSERT(IsDeoptIfNull() || IsDeoptIfNotNull());
   Condition cond = IsDeoptIfNull() ? EQ : NE;
   __ b(deopt, cond);
 }
 
-
 void CheckClassInstr::EmitBitTest(FlowGraphCompiler* compiler,
                                   intptr_t min,
                                   intptr_t max,
                                   intptr_t mask,
                                   Label* deopt) {
   Register biased_cid = locs()->temp(0).reg();
   __ AddImmediate(biased_cid, -min);
   __ CompareImmediate(biased_cid, max - min);
   __ b(deopt, HI);
 
   Register bit_reg = locs()->temp(1).reg();
   __ LoadImmediate(bit_reg, 1);
   __ lslv(bit_reg, bit_reg, biased_cid);
   __ TestImmediate(bit_reg, mask);
   __ b(deopt, EQ);
 }
 
-
 int CheckClassInstr::EmitCheckCid(FlowGraphCompiler* compiler,
                                   int bias,
                                   intptr_t cid_start,
                                   intptr_t cid_end,
                                   bool is_last,
                                   Label* is_ok,
                                   Label* deopt,
                                   bool use_near_jump) {
   Register biased_cid = locs()->temp(0).reg();
   Condition no_match, match;
@@ skipping 11 matching lines @@
     match = LS;     // Unsigned lower or same.
   }
   if (is_last) {
     __ b(deopt, no_match);
   } else {
     __ b(is_ok, match);
   }
   return bias;
 }
 
-
 LocationSummary* CheckClassIdInstr::MakeLocationSummary(Zone* zone,
                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   summary->set_in(0, cids_.IsSingleCid() ? Location::RequiresRegister()
                                          : Location::WritableRegister());
   return summary;
 }
 
-
 void CheckClassIdInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   Register value = locs()->in(0).reg();
   Label* deopt = compiler->AddDeoptStub(deopt_id(), ICData::kDeoptCheckClass);
   if (cids_.IsSingleCid()) {
     __ CompareImmediate(value, Smi::RawValue(cids_.cid_start));
     __ b(deopt, NE);
   } else {
     __ AddImmediate(value, -Smi::RawValue(cids_.cid_start));
     __ CompareImmediate(value, Smi::RawValue(cids_.cid_end - cids_.cid_start));
     __ b(deopt, HI);  // Unsigned higher.
   }
 }
 
-
 LocationSummary* CheckSmiInstr::MakeLocationSummary(Zone* zone,
                                                     bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, 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,
                                         licm_hoisted_ ? ICData::kHoisted : 0);
   __ BranchIfNotSmi(value, deopt);
 }
 
-
 LocationSummary* GenericCheckBoundInstr::MakeLocationSummary(Zone* zone,
                                                              bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs = new (zone) LocationSummary(
       zone, kNumInputs, kNumTemps, LocationSummary::kCallOnSlowPath);
   locs->set_in(kLengthPos, Location::RequiresRegister());
   locs->set_in(kIndexPos, Location::RequiresRegister());
   return locs;
 }
 
-
 class RangeErrorSlowPath : public SlowPathCode {
  public:
   RangeErrorSlowPath(GenericCheckBoundInstr* instruction, intptr_t try_index)
       : instruction_(instruction), try_index_(try_index) {}
 
   virtual void EmitNativeCode(FlowGraphCompiler* compiler) {
     if (Assembler::EmittingComments()) {
       __ Comment("slow path check bound operation");
     }
     __ Bind(entry_label());
     LocationSummary* locs = instruction_->locs();
     compiler->SaveLiveRegisters(locs);
     __ Push(locs->in(0).reg());
     __ Push(locs->in(1).reg());
     __ CallRuntime(kRangeErrorRuntimeEntry, 2);
     compiler->AddDescriptor(
         RawPcDescriptors::kOther, compiler->assembler()->CodeSize(),
         instruction_->deopt_id(), instruction_->token_pos(), try_index_);
     compiler->RecordSafepoint(locs, 2);
     Environment* env = compiler->SlowPathEnvironmentFor(instruction_);
     compiler->EmitCatchEntryState(env, try_index_);
     __ brk(0);
   }
 
  private:
   GenericCheckBoundInstr* instruction_;
   intptr_t try_index_;
 };
 
-
 void GenericCheckBoundInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   RangeErrorSlowPath* slow_path =
       new RangeErrorSlowPath(this, compiler->CurrentTryIndex());
   compiler->AddSlowPathCode(slow_path);
 
   Location length_loc = locs()->in(kLengthPos);
   Location index_loc = locs()->in(kIndexPos);
   Register length = length_loc.reg();
   Register index = index_loc.reg();
   const intptr_t index_cid = this->index()->Type()->ToCid();
   if (index_cid != kSmiCid) {
     __ BranchIfNotSmi(index, slow_path->entry_label());
   }
   __ cmp(index, Operand(length));
   __ b(slow_path->entry_label(), CS);
 }
 
-
 LocationSummary* CheckArrayBoundInstr::MakeLocationSummary(Zone* zone,
                                                            bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   LocationSummary* locs = new (zone)
       LocationSummary(zone, 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) {
   uint32_t flags = generalized_ ? ICData::kGeneralized : 0;
   flags |= licm_hoisted_ ? ICData::kHoisted : 0;
   Label* deopt =
       compiler->AddDeoptStub(deopt_id(), ICData::kDeoptCheckArrayBound, flags);
 
   Location length_loc = locs()->in(kLengthPos);
   Location index_loc = locs()->in(kIndexPos);
 
   const intptr_t index_cid = index()->Type()->ToCid();
@@ skipping 36 matching lines @@
     const Register length = length_loc.reg();
     const Register index = index_loc.reg();
     if (index_cid != kSmiCid) {
       __ BranchIfNotSmi(index, deopt);
     }
     __ CompareRegisters(index, length);
     __ b(deopt, CS);
   }
 }
 
-
 LocationSummary* BinaryMintOpInstr::MakeLocationSummary(Zone* zone,
                                                         bool opt) const {
   UNIMPLEMENTED();
   return NULL;
 }
 
-
 void BinaryMintOpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   UNIMPLEMENTED();
 }
 
-
 LocationSummary* ShiftMintOpInstr::MakeLocationSummary(Zone* zone,
                                                        bool opt) const {
   UNIMPLEMENTED();
   return NULL;
 }
 
-
 void ShiftMintOpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   UNIMPLEMENTED();
 }
 
-
 LocationSummary* UnaryMintOpInstr::MakeLocationSummary(Zone* zone,
                                                        bool opt) const {
   UNIMPLEMENTED();
   return NULL;
 }
 
-
 void UnaryMintOpInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   UNIMPLEMENTED();
 }
 
-
 CompileType BinaryUint32OpInstr::ComputeType() const {
   return CompileType::FromCid(kSmiCid);
 }
 
-
 CompileType ShiftUint32OpInstr::ComputeType() const {
   return CompileType::FromCid(kSmiCid);
 }
 
-
 CompileType UnaryUint32OpInstr::ComputeType() const {
   return CompileType::FromCid(kSmiCid);
 }
 
-
 DEFINE_UNIMPLEMENTED_INSTRUCTION(BinaryUint32OpInstr)
 DEFINE_UNIMPLEMENTED_INSTRUCTION(ShiftUint32OpInstr)
 DEFINE_UNIMPLEMENTED_INSTRUCTION(UnaryUint32OpInstr)
 DEFINE_UNIMPLEMENTED_INSTRUCTION(BinaryInt32OpInstr)
 
-
 LocationSummary* UnboxedIntConverterInstr::MakeLocationSummary(Zone* zone,
                                                                bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
   if (from() == kUnboxedMint) {
     UNREACHABLE();
   } else if (to() == kUnboxedMint) {
     UNREACHABLE();
   } else {
     ASSERT((to() == kUnboxedUint32) || (to() == kUnboxedInt32));
     ASSERT((from() == kUnboxedUint32) || (from() == kUnboxedInt32));
     summary->set_in(0, Location::RequiresRegister());
     summary->set_out(0, Location::RequiresRegister());
   }
   return summary;
 }
 
-
 void UnboxedIntConverterInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   if (from() == kUnboxedInt32 && to() == kUnboxedUint32) {
     const Register value = locs()->in(0).reg();
     const Register out = locs()->out(0).reg();
     // Representations are bitwise equivalent but we want to normalize
     // upperbits for safety reasons.
     // TODO(vegorov) if we ensure that we never use kDoubleWord size
     // with it then we could avoid this.
     // TODO(vegorov) implement and use UBFM for zero extension.
     __ LslImmediate(out, value, 32);
@@ skipping 16 matching lines @@
   } else if (from() == kUnboxedMint) {
     UNREACHABLE();
   } else if (to() == kUnboxedMint) {
     ASSERT((from() == kUnboxedUint32) || (from() == kUnboxedInt32));
     UNREACHABLE();
   } else {
     UNREACHABLE();
   }
 }
 
-
 LocationSummary* ThrowInstr::MakeLocationSummary(Zone* zone, bool opt) const {
   return new (zone) LocationSummary(zone, 0, 0, LocationSummary::kCall);
 }
 
-
 void ThrowInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   compiler->GenerateRuntimeCall(token_pos(), deopt_id(), kThrowRuntimeEntry, 1,
                                 locs());
   __ brk(0);
 }
 
-
 LocationSummary* ReThrowInstr::MakeLocationSummary(Zone* zone, bool opt) const {
   return new (zone) LocationSummary(zone, 0, 0, LocationSummary::kCall);
 }
 
-
 void ReThrowInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   compiler->SetNeedsStackTrace(catch_try_index());
   compiler->GenerateRuntimeCall(token_pos(), deopt_id(), kReThrowRuntimeEntry,
                                 2, locs());
   __ brk(0);
 }
 
-
 LocationSummary* StopInstr::MakeLocationSummary(Zone* zone, bool opt) const {
   return new (zone) LocationSummary(zone, 0, 0, LocationSummary::kNoCall);
 }
 
-
 void StopInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   __ Stop(message());
 }
 
-
 void GraphEntryInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   if (!compiler->CanFallThroughTo(normal_entry())) {
     __ b(compiler->GetJumpLabel(normal_entry()));
   }
 }
 
-
 LocationSummary* GotoInstr::MakeLocationSummary(Zone* zone, bool opt) const {
   return new (zone) LocationSummary(zone, 0, 0, LocationSummary::kNoCall);
 }
 
-
 void GotoInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   if (!compiler->is_optimizing()) {
     if (FLAG_reorder_basic_blocks) {
       compiler->EmitEdgeCounter(block()->preorder_number());
     }
     // Add a deoptimization descriptor for deoptimizing instructions that
     // may be inserted before this instruction.
     compiler->AddCurrentDescriptor(RawPcDescriptors::kDeopt, GetDeoptId(),
                                    TokenPosition::kNoSource);
   }
   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* IndirectGotoInstr::MakeLocationSummary(Zone* zone,
                                                         bool opt) const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 1;
 
   LocationSummary* summary = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kNoCall);
 
   summary->set_in(0, Location::RequiresRegister());
   summary->set_temp(0, Location::RequiresRegister());
 
   return summary;
 }
 
-
 void IndirectGotoInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   Register target_address_reg = locs()->temp_slot(0)->reg();
 
   // Load code entry point.
   const intptr_t entry_offset = __ CodeSize();
   if (Utils::IsInt(21, -entry_offset)) {
     __ adr(target_address_reg, Immediate(-entry_offset));
   } else {
     __ adr(target_address_reg, Immediate(0));
     __ AddImmediate(target_address_reg, -entry_offset);
   }
 
   // Add the offset.
   Register offset_reg = locs()->in(0).reg();
   Operand offset_opr = (offset()->definition()->representation() == kTagged)
                            ? Operand(offset_reg, ASR, kSmiTagSize)
                            : Operand(offset_reg);
   __ add(target_address_reg, target_address_reg, offset_opr);
 
   // Jump to the absolute address.
   __ br(target_address_reg);
 }
 
-
 LocationSummary* StrictCompareInstr::MakeLocationSummary(Zone* zone,
                                                          bool opt) const {
   const intptr_t kNumInputs = 2;
   const intptr_t kNumTemps = 0;
   if (needs_number_check()) {
     LocationSummary* locs = new (zone)
         LocationSummary(zone, 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 (zone)
       LocationSummary(zone, 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;
 }
 
-
 Condition StrictCompareInstr::EmitComparisonCode(FlowGraphCompiler* compiler,
                                                  BranchLabels labels) {
   Location left = locs()->in(0);
   Location right = locs()->in(1);
   ASSERT(!left.IsConstant() || !right.IsConstant());
   Condition true_condition;
   if (left.IsConstant()) {
     true_condition = compiler->EmitEqualityRegConstCompare(
         right.reg(), left.constant(), needs_number_check(), token_pos(),
         deopt_id_);
   } else if (right.IsConstant()) {
     true_condition = compiler->EmitEqualityRegConstCompare(
         left.reg(), right.constant(), needs_number_check(), token_pos(),
         deopt_id_);
   } else {
     true_condition = compiler->EmitEqualityRegRegCompare(
         left.reg(), right.reg(), needs_number_check(), token_pos(), deopt_id_);
   }
   if (kind() != Token::kEQ_STRICT) {
     ASSERT(kind() == Token::kNE_STRICT);
     true_condition = NegateCondition(true_condition);
   }
   return true_condition;
 }
 
-
 void ComparisonInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   Label is_true, is_false;
   BranchLabels labels = {&is_true, &is_false, &is_false};
   Condition true_condition = EmitComparisonCode(compiler, labels);
   const Register result = this->locs()->out(0).reg();
 
   // TODO(dartbug.com/29908): Use csel here for better branch prediction?
   if (true_condition != kInvalidCondition) {
     EmitBranchOnCondition(compiler, true_condition, labels);
   }
   Label done;
   __ Bind(&is_false);
   __ LoadObject(result, Bool::False());
   __ b(&done);
   __ Bind(&is_true);
   __ LoadObject(result, Bool::True());
   __ Bind(&done);
 }
 
-
 void ComparisonInstr::EmitBranchCode(FlowGraphCompiler* compiler,
                                      BranchInstr* branch) {
   BranchLabels labels = compiler->CreateBranchLabels(branch);
   Condition true_condition = EmitComparisonCode(compiler, labels);
   if (true_condition != kInvalidCondition) {
     EmitBranchOnCondition(compiler, true_condition, labels);
   }
 }
 
-
 LocationSummary* BooleanNegateInstr::MakeLocationSummary(Zone* zone,
                                                          bool opt) const {
   return LocationSummary::Make(zone, 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());
   __ LoadObject(TMP, Bool::False());
   __ CompareRegisters(result, value);
   __ csel(result, TMP, result, EQ);
 }
 
-
 LocationSummary* AllocateObjectInstr::MakeLocationSummary(Zone* zone,
                                                           bool opt) const {
   return MakeCallSummary(zone);
 }
 
-
 void AllocateObjectInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   const Code& stub = Code::ZoneHandle(
       compiler->zone(), StubCode::GetAllocationStubForClass(cls()));
   const StubEntry stub_entry(stub);
   compiler->GenerateCall(token_pos(), stub_entry, RawPcDescriptors::kOther,
                          locs());
   compiler->AddStubCallTarget(stub);
   __ Drop(ArgumentCount());  // Discard arguments.
 }
 
-
 void DebugStepCheckInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ASSERT(!compiler->is_optimizing());
   __ BranchLinkPatchable(*StubCode::DebugStepCheck_entry());
   compiler->AddCurrentDescriptor(stub_kind_, deopt_id_, token_pos());
   compiler->RecordSafepoint(locs());
 }
 
-
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64