Remove the old ARM code generator from ART's Optimizing compiler.

The AArch32 VIXL-based code generator has been the default
ARM code generator in ART for some time now. The old ARM
code generator does not compile anymore; retiring it.

Test: test.py
Bug: 63316036
Change-Id: Iab8fbc4ac73eac2c1a809cd7b22fec6b619755db

1 files changed, 0 insertions, 9400 deletions

diff --git a/compiler/optimizing/code_generator_arm.cc b/compiler/optimizing/code_generator_arm.cc
deleted file mode 100644
index 92467fe101..0000000000
--- a/compiler/optimizing/code_generator_arm.cc
+++ /dev/null
@@ -1,9400 +0,0 @@
-/*
- * Copyright (C) 2014 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "code_generator_arm.h"
-
-#include "arch/arm/asm_support_arm.h"
-#include "arch/arm/instruction_set_features_arm.h"
-#include "art_method.h"
-#include "base/bit_utils.h"
-#include "base/bit_utils_iterator.h"
-#include "code_generator_utils.h"
-#include "common_arm.h"
-#include "compiled_method.h"
-#include "entrypoints/quick/quick_entrypoints.h"
-#include "gc/accounting/card_table.h"
-#include "intrinsics.h"
-#include "intrinsics_arm.h"
-#include "linker/arm/relative_patcher_thumb2.h"
-#include "mirror/array-inl.h"
-#include "mirror/class-inl.h"
-#include "thread.h"
-#include "utils/arm/assembler_arm.h"
-#include "utils/arm/managed_register_arm.h"
-#include "utils/assembler.h"
-#include "utils/stack_checks.h"
-
-namespace art {
-
-template<class MirrorType>
-class GcRoot;
-
-namespace arm {
-
-static bool ExpectedPairLayout(Location location) {
-  // We expected this for both core and fpu register pairs.
-  return ((location.low() & 1) == 0) && (location.low() + 1 == location.high());
-}
-
-static constexpr Register kMethodRegisterArgument = R0;
-
-static constexpr Register kCoreAlwaysSpillRegister = R5;
-static constexpr Register kCoreCalleeSaves[] =
-    { R5, R6, R7, R8, R10, R11, LR };
-static constexpr SRegister kFpuCalleeSaves[] =
-    { S16, S17, S18, S19, S20, S21, S22, S23, S24, S25, S26, S27, S28, S29, S30, S31 };
-
-// D31 cannot be split into two S registers, and the register allocator only works on
-// S registers. Therefore there is no need to block it.
-static constexpr DRegister DTMP = D31;
-
-static constexpr uint32_t kPackedSwitchCompareJumpThreshold = 7;
-
-// Reference load (except object array loads) is using LDR Rt, [Rn, #offset] which can handle
-// offset < 4KiB. For offsets >= 4KiB, the load shall be emitted as two or more instructions.
-// For the Baker read barrier implementation using link-generated thunks we need to split
-// the offset explicitly.
-constexpr uint32_t kReferenceLoadMinFarOffset = 4 * KB;
-
-// Flags controlling the use of link-time generated thunks for Baker read barriers.
-constexpr bool kBakerReadBarrierLinkTimeThunksEnableForFields = true;
-constexpr bool kBakerReadBarrierLinkTimeThunksEnableForArrays = true;
-constexpr bool kBakerReadBarrierLinkTimeThunksEnableForGcRoots = true;
-
-// The reserved entrypoint register for link-time generated thunks.
-const Register kBakerCcEntrypointRegister = R4;
-
-// NOLINT on __ macro to suppress wrong warning/fix (misc-macro-parentheses) from clang-tidy.
-#define __ down_cast<ArmAssembler*>(codegen->GetAssembler())->  // NOLINT
-#define QUICK_ENTRY_POINT(x) QUICK_ENTRYPOINT_OFFSET(kArmPointerSize, x).Int32Value()
-
-static inline void CheckLastTempIsBakerCcEntrypointRegister(HInstruction* instruction) {
-  DCHECK_EQ(static_cast<uint32_t>(kBakerCcEntrypointRegister),
-            linker::Thumb2RelativePatcher::kBakerCcEntrypointRegister);
-  DCHECK_NE(instruction->GetLocations()->GetTempCount(), 0u);
-  DCHECK_EQ(kBakerCcEntrypointRegister,
-            instruction->GetLocations()->GetTemp(
-                instruction->GetLocations()->GetTempCount() - 1u).AsRegister<Register>());
-}
-
-static inline void EmitPlaceholderBne(CodeGeneratorARM* codegen, Label* bne_label) {
-  ScopedForce32Bit force_32bit(down_cast<Thumb2Assembler*>(codegen->GetAssembler()));
-  __ BindTrackedLabel(bne_label);
-  Label placeholder_label;
-  __ b(&placeholder_label, NE);  // Placeholder, patched at link-time.
-  __ Bind(&placeholder_label);
-}
-
-static inline bool CanEmitNarrowLdr(Register rt, Register rn, uint32_t offset) {
-  return ArmAssembler::IsLowRegister(rt) && ArmAssembler::IsLowRegister(rn) && offset < 32u;
-}
-
-static constexpr int kRegListThreshold = 4;
-
-// SaveLiveRegisters and RestoreLiveRegisters from SlowPathCodeARM operate on sets of S registers,
-// for each live D registers they treat two corresponding S registers as live ones.
-//
-// Two following functions (SaveContiguousSRegisterList, RestoreContiguousSRegisterList) build
-// from a list of contiguous S registers a list of contiguous D registers (processing first/last
-// S registers corner cases) and save/restore this new list treating them as D registers.
-// - decreasing code size
-// - avoiding hazards on Cortex-A57, when a pair of S registers for an actual live D register is
-//   restored and then used in regular non SlowPath code as D register.
-//
-// For the following example (v means the S register is live):
-//   D names: |    D0   |    D1   |    D2   |    D4   | ...
-//   S names: | S0 | S1 | S2 | S3 | S4 | S5 | S6 | S7 | ...
-//   Live?    |    |  v |  v |  v |  v |  v |  v |    | ...
-//
-// S1 and S6 will be saved/restored independently; D registers list (D1, D2) will be processed
-// as D registers.
-static size_t SaveContiguousSRegisterList(size_t first,
-                                          size_t last,
-                                          CodeGenerator* codegen,
-                                          size_t stack_offset) {
-  DCHECK_LE(first, last);
-  if ((first == last) && (first == 0)) {
-    stack_offset += codegen->SaveFloatingPointRegister(stack_offset, first);
-    return stack_offset;
-  }
-  if (first % 2 == 1) {
-    stack_offset += codegen->SaveFloatingPointRegister(stack_offset, first++);
-  }
-
-  bool save_last = false;
-  if (last % 2 == 0) {
-    save_last = true;
-    --last;
-  }
-
-  if (first < last) {
-    DRegister d_reg = static_cast<DRegister>(first / 2);
-    DCHECK_EQ((last - first + 1) % 2, 0u);
-    size_t number_of_d_regs = (last - first + 1) / 2;
-
-    if (number_of_d_regs == 1) {
-      __ StoreDToOffset(d_reg, SP, stack_offset);
-    } else if (number_of_d_regs > 1) {
-      __ add(IP, SP, ShifterOperand(stack_offset));
-      __ vstmiad(IP, d_reg, number_of_d_regs);
-    }
-    stack_offset += number_of_d_regs * kArmWordSize * 2;
-  }
-
-  if (save_last) {
-    stack_offset += codegen->SaveFloatingPointRegister(stack_offset, last + 1);
-  }
-
-  return stack_offset;
-}
-
-static size_t RestoreContiguousSRegisterList(size_t first,
-                                             size_t last,
-                                             CodeGenerator* codegen,
-                                             size_t stack_offset) {
-  DCHECK_LE(first, last);
-  if ((first == last) && (first == 0)) {
-    stack_offset += codegen->RestoreFloatingPointRegister(stack_offset, first);
-    return stack_offset;
-  }
-  if (first % 2 == 1) {
-    stack_offset += codegen->RestoreFloatingPointRegister(stack_offset, first++);
-  }
-
-  bool restore_last = false;
-  if (last % 2 == 0) {
-    restore_last = true;
-    --last;
-  }
-
-  if (first < last) {
-    DRegister d_reg = static_cast<DRegister>(first / 2);
-    DCHECK_EQ((last - first + 1) % 2, 0u);
-    size_t number_of_d_regs = (last - first + 1) / 2;
-    if (number_of_d_regs == 1) {
-      __ LoadDFromOffset(d_reg, SP, stack_offset);
-    } else if (number_of_d_regs > 1) {
-      __ add(IP, SP, ShifterOperand(stack_offset));
-      __ vldmiad(IP, d_reg, number_of_d_regs);
-    }
-    stack_offset += number_of_d_regs * kArmWordSize * 2;
-  }
-
-  if (restore_last) {
-    stack_offset += codegen->RestoreFloatingPointRegister(stack_offset, last + 1);
-  }
-
-  return stack_offset;
-}
-
-void SlowPathCodeARM::SaveLiveRegisters(CodeGenerator* codegen, LocationSummary* locations) {
-  size_t stack_offset = codegen->GetFirstRegisterSlotInSlowPath();
-  size_t orig_offset = stack_offset;
-
-  const uint32_t core_spills = codegen->GetSlowPathSpills(locations, /* core_registers */ true);
-  for (uint32_t i : LowToHighBits(core_spills)) {
-    // If the register holds an object, update the stack mask.
-    if (locations->RegisterContainsObject(i)) {
-      locations->SetStackBit(stack_offset / kVRegSize);
-    }
-    DCHECK_LT(stack_offset, codegen->GetFrameSize() - codegen->FrameEntrySpillSize());
-    DCHECK_LT(i, kMaximumNumberOfExpectedRegisters);
-    saved_core_stack_offsets_[i] = stack_offset;
-    stack_offset += kArmWordSize;
-  }
-
-  int reg_num = POPCOUNT(core_spills);
-  if (reg_num != 0) {
-    if (reg_num > kRegListThreshold) {
-      __ StoreList(RegList(core_spills), orig_offset);
-    } else {
-      stack_offset = orig_offset;
-      for (uint32_t i : LowToHighBits(core_spills)) {
-        stack_offset += codegen->SaveCoreRegister(stack_offset, i);
-      }
-    }
-  }
-
-  uint32_t fp_spills = codegen->GetSlowPathSpills(locations, /* core_registers */ false);
-  orig_offset = stack_offset;
-  for (uint32_t i : LowToHighBits(fp_spills)) {
-    DCHECK_LT(i, kMaximumNumberOfExpectedRegisters);
-    saved_fpu_stack_offsets_[i] = stack_offset;
-    stack_offset += kArmWordSize;
-  }
-
-  stack_offset = orig_offset;
-  while (fp_spills != 0u) {
-    uint32_t begin = CTZ(fp_spills);
-    uint32_t tmp = fp_spills + (1u << begin);
-    fp_spills &= tmp;  // Clear the contiguous range of 1s.
-    uint32_t end = (tmp == 0u) ? 32u : CTZ(tmp);  // CTZ(0) is undefined.
-    stack_offset = SaveContiguousSRegisterList(begin, end - 1, codegen, stack_offset);
-  }
-  DCHECK_LE(stack_offset, codegen->GetFrameSize() - codegen->FrameEntrySpillSize());
-}
-
-void SlowPathCodeARM::RestoreLiveRegisters(CodeGenerator* codegen, LocationSummary* locations) {
-  size_t stack_offset = codegen->GetFirstRegisterSlotInSlowPath();
-  size_t orig_offset = stack_offset;
-
-  const uint32_t core_spills = codegen->GetSlowPathSpills(locations, /* core_registers */ true);
-  for (uint32_t i : LowToHighBits(core_spills)) {
-    DCHECK_LT(stack_offset, codegen->GetFrameSize() - codegen->FrameEntrySpillSize());
-    DCHECK_LT(i, kMaximumNumberOfExpectedRegisters);
-    stack_offset += kArmWordSize;
-  }
-
-  int reg_num = POPCOUNT(core_spills);
-  if (reg_num != 0) {
-    if (reg_num > kRegListThreshold) {
-      __ LoadList(RegList(core_spills), orig_offset);
-    } else {
-      stack_offset = orig_offset;
-      for (uint32_t i : LowToHighBits(core_spills)) {
-        stack_offset += codegen->RestoreCoreRegister(stack_offset, i);
-      }
-    }
-  }
-
-  uint32_t fp_spills = codegen->GetSlowPathSpills(locations, /* core_registers */ false);
-  while (fp_spills != 0u) {
-    uint32_t begin = CTZ(fp_spills);
-    uint32_t tmp = fp_spills + (1u << begin);
-    fp_spills &= tmp;  // Clear the contiguous range of 1s.
-    uint32_t end = (tmp == 0u) ? 32u : CTZ(tmp);  // CTZ(0) is undefined.
-    stack_offset = RestoreContiguousSRegisterList(begin, end - 1, codegen, stack_offset);
-  }
-  DCHECK_LE(stack_offset, codegen->GetFrameSize() - codegen->FrameEntrySpillSize());
-}
-
-class NullCheckSlowPathARM : public SlowPathCodeARM {
- public:
-  explicit NullCheckSlowPathARM(HNullCheck* instruction) : SlowPathCodeARM(instruction) {}
-
-  void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
-    CodeGeneratorARM* arm_codegen = down_cast<CodeGeneratorARM*>(codegen);
-    __ Bind(GetEntryLabel());
-    if (instruction_->CanThrowIntoCatchBlock()) {
-      // Live registers will be restored in the catch block if caught.
-      SaveLiveRegisters(codegen, instruction_->GetLocations());
-    }
-    arm_codegen->InvokeRuntime(kQuickThrowNullPointer,
-                               instruction_,
-                               instruction_->GetDexPc(),
-                               this);
-    CheckEntrypointTypes<kQuickThrowNullPointer, void, void>();
-  }
-
-  bool IsFatal() const OVERRIDE { return true; }
-
-  const char* GetDescription() const OVERRIDE { return "NullCheckSlowPathARM"; }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(NullCheckSlowPathARM);
-};
-
-class DivZeroCheckSlowPathARM : public SlowPathCodeARM {
- public:
-  explicit DivZeroCheckSlowPathARM(HDivZeroCheck* instruction) : SlowPathCodeARM(instruction) {}
-
-  void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
-    CodeGeneratorARM* arm_codegen = down_cast<CodeGeneratorARM*>(codegen);
-    __ Bind(GetEntryLabel());
-    arm_codegen->InvokeRuntime(kQuickThrowDivZero, instruction_, instruction_->GetDexPc(), this);
-    CheckEntrypointTypes<kQuickThrowDivZero, void, void>();
-  }
-
-  bool IsFatal() const OVERRIDE { return true; }
-
-  const char* GetDescription() const OVERRIDE { return "DivZeroCheckSlowPathARM"; }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(DivZeroCheckSlowPathARM);
-};
-
-class SuspendCheckSlowPathARM : public SlowPathCodeARM {
- public:
-  SuspendCheckSlowPathARM(HSuspendCheck* instruction, HBasicBlock* successor)
-      : SlowPathCodeARM(instruction), successor_(successor) {}
-
-  void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
-    CodeGeneratorARM* arm_codegen = down_cast<CodeGeneratorARM*>(codegen);
-    __ Bind(GetEntryLabel());
-    arm_codegen->InvokeRuntime(kQuickTestSuspend, instruction_, instruction_->GetDexPc(), this);
-    CheckEntrypointTypes<kQuickTestSuspend, void, void>();
-    if (successor_ == nullptr) {
-      __ b(GetReturnLabel());
-    } else {
-      __ b(arm_codegen->GetLabelOf(successor_));
-    }
-  }
-
-  Label* GetReturnLabel() {
-    DCHECK(successor_ == nullptr);
-    return &return_label_;
-  }
-
-  HBasicBlock* GetSuccessor() const {
-    return successor_;
-  }
-
-  const char* GetDescription() const OVERRIDE { return "SuspendCheckSlowPathARM"; }
-
- private:
-  // If not null, the block to branch to after the suspend check.
-  HBasicBlock* const successor_;
-
-  // If `successor_` is null, the label to branch to after the suspend check.
-  Label return_label_;
-
-  DISALLOW_COPY_AND_ASSIGN(SuspendCheckSlowPathARM);
-};
-
-class BoundsCheckSlowPathARM : public SlowPathCodeARM {
- public:
-  explicit BoundsCheckSlowPathARM(HBoundsCheck* instruction)
-      : SlowPathCodeARM(instruction) {}
-
-  void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
-    CodeGeneratorARM* arm_codegen = down_cast<CodeGeneratorARM*>(codegen);
-    LocationSummary* locations = instruction_->GetLocations();
-
-    __ Bind(GetEntryLabel());
-    if (instruction_->CanThrowIntoCatchBlock()) {
-      // Live registers will be restored in the catch block if caught.
-      SaveLiveRegisters(codegen, instruction_->GetLocations());
-    }
-    // We're moving two locations to locations that could overlap, so we need a parallel
-    // move resolver.
-    InvokeRuntimeCallingConvention calling_convention;
-    codegen->EmitParallelMoves(
-        locations->InAt(0),
-        Location::RegisterLocation(calling_convention.GetRegisterAt(0)),
-        Primitive::kPrimInt,
-        locations->InAt(1),
-        Location::RegisterLocation(calling_convention.GetRegisterAt(1)),
-        Primitive::kPrimInt);
-    QuickEntrypointEnum entrypoint = instruction_->AsBoundsCheck()->IsStringCharAt()
-        ? kQuickThrowStringBounds
-        : kQuickThrowArrayBounds;
-    arm_codegen->InvokeRuntime(entrypoint, instruction_, instruction_->GetDexPc(), this);
-    CheckEntrypointTypes<kQuickThrowStringBounds, void, int32_t, int32_t>();
-    CheckEntrypointTypes<kQuickThrowArrayBounds, void, int32_t, int32_t>();
-  }
-
-  bool IsFatal() const OVERRIDE { return true; }
-
-  const char* GetDescription() const OVERRIDE { return "BoundsCheckSlowPathARM"; }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(BoundsCheckSlowPathARM);
-};
-
-class LoadClassSlowPathARM : public SlowPathCodeARM {
- public:
-  LoadClassSlowPathARM(HLoadClass* cls, HInstruction* at, uint32_t dex_pc, bool do_clinit)
-      : SlowPathCodeARM(at), cls_(cls), dex_pc_(dex_pc), do_clinit_(do_clinit) {
-    DCHECK(at->IsLoadClass() || at->IsClinitCheck());
-  }
-
-  void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
-    LocationSummary* locations = instruction_->GetLocations();
-    Location out = locations->Out();
-    constexpr bool call_saves_everything_except_r0 = (!kUseReadBarrier || kUseBakerReadBarrier);
-
-    CodeGeneratorARM* arm_codegen = down_cast<CodeGeneratorARM*>(codegen);
-    __ Bind(GetEntryLabel());
-    SaveLiveRegisters(codegen, locations);
-
-    InvokeRuntimeCallingConvention calling_convention;
-    // For HLoadClass/kBssEntry/kSaveEverything, make sure we preserve the address of the entry.
-    DCHECK_EQ(instruction_->IsLoadClass(), cls_ == instruction_);
-    bool is_load_class_bss_entry =
-        (cls_ == instruction_) && (cls_->GetLoadKind() == HLoadClass::LoadKind::kBssEntry);
-    Register entry_address = kNoRegister;
-    if (is_load_class_bss_entry && call_saves_everything_except_r0) {
-      Register temp = locations->GetTemp(0).AsRegister<Register>();
-      // In the unlucky case that the `temp` is R0, we preserve the address in `out` across
-      // the kSaveEverything call.
-      bool temp_is_r0 = (temp == calling_convention.GetRegisterAt(0));
-      entry_address = temp_is_r0 ? out.AsRegister<Register>() : temp;
-      DCHECK_NE(entry_address, calling_convention.GetRegisterAt(0));
-      if (temp_is_r0) {
-        __ mov(entry_address, ShifterOperand(temp));
-      }
-    }
-    dex::TypeIndex type_index = cls_->GetTypeIndex();
-    __ LoadImmediate(calling_convention.GetRegisterAt(0), type_index.index_);
-    QuickEntrypointEnum entrypoint = do_clinit_ ? kQuickInitializeStaticStorage
-                                                : kQuickInitializeType;
-    arm_codegen->InvokeRuntime(entrypoint, instruction_, dex_pc_, this);
-    if (do_clinit_) {
-      CheckEntrypointTypes<kQuickInitializeStaticStorage, void*, uint32_t>();
-    } else {
-      CheckEntrypointTypes<kQuickInitializeType, void*, uint32_t>();
-    }
-
-    // For HLoadClass/kBssEntry, store the resolved Class to the BSS entry.
-    if (is_load_class_bss_entry) {
-      if (call_saves_everything_except_r0) {
-        // The class entry address was preserved in `entry_address` thanks to kSaveEverything.
-        __ str(R0, Address(entry_address));
-      } else {
-        // For non-Baker read barrier, we need to re-calculate the address of the string entry.
-        Register temp = IP;
-        CodeGeneratorARM::PcRelativePatchInfo* labels =
-            arm_codegen->NewTypeBssEntryPatch(cls_->GetDexFile(), type_index);
-        __ BindTrackedLabel(&labels->movw_label);
-        __ movw(temp, /* placeholder */ 0u);
-        __ BindTrackedLabel(&labels->movt_label);
-        __ movt(temp, /* placeholder */ 0u);
-        __ BindTrackedLabel(&labels->add_pc_label);
-        __ add(temp, temp, ShifterOperand(PC));
-        __ str(R0, Address(temp));
-      }
-    }
-    // Move the class to the desired location.
-    if (out.IsValid()) {
-      DCHECK(out.IsRegister() && !locations->GetLiveRegisters()->ContainsCoreRegister(out.reg()));
-      arm_codegen->Move32(locations->Out(), Location::RegisterLocation(R0));
-    }
-    RestoreLiveRegisters(codegen, locations);
-    __ b(GetExitLabel());
-  }
-
-  const char* GetDescription() const OVERRIDE { return "LoadClassSlowPathARM"; }
-
- private:
-  // The class this slow path will load.
-  HLoadClass* const cls_;
-
-  // The dex PC of `at_`.
-  const uint32_t dex_pc_;
-
-  // Whether to initialize the class.
-  const bool do_clinit_;
-
-  DISALLOW_COPY_AND_ASSIGN(LoadClassSlowPathARM);
-};
-
-class LoadStringSlowPathARM : public SlowPathCodeARM {
- public:
-  explicit LoadStringSlowPathARM(HLoadString* instruction) : SlowPathCodeARM(instruction) {}
-
-  void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
-    DCHECK(instruction_->IsLoadString());
-    DCHECK_EQ(instruction_->AsLoadString()->GetLoadKind(), HLoadString::LoadKind::kBssEntry);
-    LocationSummary* locations = instruction_->GetLocations();
-    DCHECK(!locations->GetLiveRegisters()->ContainsCoreRegister(locations->Out().reg()));
-    HLoadString* load = instruction_->AsLoadString();
-    const dex::StringIndex string_index = load->GetStringIndex();
-    Register out = locations->Out().AsRegister<Register>();
-    constexpr bool call_saves_everything_except_r0 = (!kUseReadBarrier || kUseBakerReadBarrier);
-
-    CodeGeneratorARM* arm_codegen = down_cast<CodeGeneratorARM*>(codegen);
-    __ Bind(GetEntryLabel());
-    SaveLiveRegisters(codegen, locations);
-
-    InvokeRuntimeCallingConvention calling_convention;
-    // In the unlucky case that the `temp` is R0, we preserve the address in `out` across
-    // the kSaveEverything call.
-    Register entry_address = kNoRegister;
-    if (call_saves_everything_except_r0) {
-      Register temp = locations->GetTemp(0).AsRegister<Register>();
-      bool temp_is_r0 = (temp == calling_convention.GetRegisterAt(0));
-      entry_address = temp_is_r0 ? out : temp;
-      DCHECK_NE(entry_address, calling_convention.GetRegisterAt(0));
-      if (temp_is_r0) {
-        __ mov(entry_address, ShifterOperand(temp));
-      }
-    }
-
-    __ LoadImmediate(calling_convention.GetRegisterAt(0), string_index.index_);
-    arm_codegen->InvokeRuntime(kQuickResolveString, instruction_, instruction_->GetDexPc(), this);
-    CheckEntrypointTypes<kQuickResolveString, void*, uint32_t>();
-
-    // Store the resolved String to the .bss entry.
-    if (call_saves_everything_except_r0) {
-      // The string entry address was preserved in `entry_address` thanks to kSaveEverything.
-      __ str(R0, Address(entry_address));
-    } else {
-      // For non-Baker read barrier, we need to re-calculate the address of the string entry.
-      Register temp = IP;
-      CodeGeneratorARM::PcRelativePatchInfo* labels =
-          arm_codegen->NewPcRelativeStringPatch(load->GetDexFile(), string_index);
-      __ BindTrackedLabel(&labels->movw_label);
-      __ movw(temp, /* placeholder */ 0u);
-      __ BindTrackedLabel(&labels->movt_label);
-      __ movt(temp, /* placeholder */ 0u);
-      __ BindTrackedLabel(&labels->add_pc_label);
-      __ add(temp, temp, ShifterOperand(PC));
-      __ str(R0, Address(temp));
-    }
-
-    arm_codegen->Move32(locations->Out(), Location::RegisterLocation(R0));
-    RestoreLiveRegisters(codegen, locations);
-
-    __ b(GetExitLabel());
-  }
-
-  const char* GetDescription() const OVERRIDE { return "LoadStringSlowPathARM"; }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(LoadStringSlowPathARM);
-};
-
-class TypeCheckSlowPathARM : public SlowPathCodeARM {
- public:
-  TypeCheckSlowPathARM(HInstruction* instruction, bool is_fatal)
-      : SlowPathCodeARM(instruction), is_fatal_(is_fatal) {}
-
-  void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
-    LocationSummary* locations = instruction_->GetLocations();
-    DCHECK(instruction_->IsCheckCast()
-           || !locations->GetLiveRegisters()->ContainsCoreRegister(locations->Out().reg()));
-
-    CodeGeneratorARM* arm_codegen = down_cast<CodeGeneratorARM*>(codegen);
-    __ Bind(GetEntryLabel());
-
-    if (!is_fatal_) {
-      SaveLiveRegisters(codegen, locations);
-    }
-
-    // We're moving two locations to locations that could overlap, so we need a parallel
-    // move resolver.
-    InvokeRuntimeCallingConvention calling_convention;
-    codegen->EmitParallelMoves(locations->InAt(0),
-                               Location::RegisterLocation(calling_convention.GetRegisterAt(0)),
-                               Primitive::kPrimNot,
-                               locations->InAt(1),
-                               Location::RegisterLocation(calling_convention.GetRegisterAt(1)),
-                               Primitive::kPrimNot);
-    if (instruction_->IsInstanceOf()) {
-      arm_codegen->InvokeRuntime(kQuickInstanceofNonTrivial,
-                                 instruction_,
-                                 instruction_->GetDexPc(),
-                                 this);
-      CheckEntrypointTypes<kQuickInstanceofNonTrivial, size_t, mirror::Object*, mirror::Class*>();
-      arm_codegen->Move32(locations->Out(), Location::RegisterLocation(R0));
-    } else {
-      DCHECK(instruction_->IsCheckCast());
-      arm_codegen->InvokeRuntime(kQuickCheckInstanceOf,
-                                 instruction_,
-                                 instruction_->GetDexPc(),
-                                 this);
-      CheckEntrypointTypes<kQuickCheckInstanceOf, void, mirror::Object*, mirror::Class*>();
-    }
-
-    if (!is_fatal_) {
-      RestoreLiveRegisters(codegen, locations);
-      __ b(GetExitLabel());
-    }
-  }
-
-  const char* GetDescription() const OVERRIDE { return "TypeCheckSlowPathARM"; }
-
-  bool IsFatal() const OVERRIDE { return is_fatal_; }
-
- private:
-  const bool is_fatal_;
-
-  DISALLOW_COPY_AND_ASSIGN(TypeCheckSlowPathARM);
-};
-
-class DeoptimizationSlowPathARM : public SlowPathCodeARM {
- public:
-  explicit DeoptimizationSlowPathARM(HDeoptimize* instruction)
-    : SlowPathCodeARM(instruction) {}
-
-  void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
-    CodeGeneratorARM* arm_codegen = down_cast<CodeGeneratorARM*>(codegen);
-    __ Bind(GetEntryLabel());
-    LocationSummary* locations = instruction_->GetLocations();
-    SaveLiveRegisters(codegen, locations);
-    InvokeRuntimeCallingConvention calling_convention;
-    __ LoadImmediate(calling_convention.GetRegisterAt(0),
-                     static_cast<uint32_t>(instruction_->AsDeoptimize()->GetDeoptimizationKind()));
-    arm_codegen->InvokeRuntime(kQuickDeoptimize, instruction_, instruction_->GetDexPc(), this);
-    CheckEntrypointTypes<kQuickDeoptimize, void, DeoptimizationKind>();
-  }
-
-  const char* GetDescription() const OVERRIDE { return "DeoptimizationSlowPathARM"; }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(DeoptimizationSlowPathARM);
-};
-
-class ArraySetSlowPathARM : public SlowPathCodeARM {
- public:
-  explicit ArraySetSlowPathARM(HInstruction* instruction) : SlowPathCodeARM(instruction) {}
-
-  void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
-    LocationSummary* locations = instruction_->GetLocations();
-    __ Bind(GetEntryLabel());
-    SaveLiveRegisters(codegen, locations);
-
-    InvokeRuntimeCallingConvention calling_convention;
-    HParallelMove parallel_move(codegen->GetGraph()->GetArena());
-    parallel_move.AddMove(
-        locations->InAt(0),
-        Location::RegisterLocation(calling_convention.GetRegisterAt(0)),
-        Primitive::kPrimNot,
-        nullptr);
-    parallel_move.AddMove(
-        locations->InAt(1),
-        Location::RegisterLocation(calling_convention.GetRegisterAt(1)),
-        Primitive::kPrimInt,
-        nullptr);
-    parallel_move.AddMove(
-        locations->InAt(2),
-        Location::RegisterLocation(calling_convention.GetRegisterAt(2)),
-        Primitive::kPrimNot,
-        nullptr);
-    codegen->GetMoveResolver()->EmitNativeCode(&parallel_move);
-
-    CodeGeneratorARM* arm_codegen = down_cast<CodeGeneratorARM*>(codegen);
-    arm_codegen->InvokeRuntime(kQuickAputObject, instruction_, instruction_->GetDexPc(), this);
-    CheckEntrypointTypes<kQuickAputObject, void, mirror::Array*, int32_t, mirror::Object*>();
-    RestoreLiveRegisters(codegen, locations);
-    __ b(GetExitLabel());
-  }
-
-  const char* GetDescription() const OVERRIDE { return "ArraySetSlowPathARM"; }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ArraySetSlowPathARM);
-};
-
-// Abstract base class for read barrier slow paths marking a reference
-// `ref`.
-//
-// Argument `entrypoint` must be a register location holding the read
-// barrier marking runtime entry point to be invoked.
-class ReadBarrierMarkSlowPathBaseARM : public SlowPathCodeARM {
- protected:
-  ReadBarrierMarkSlowPathBaseARM(HInstruction* instruction, Location ref, Location entrypoint)
-      : SlowPathCodeARM(instruction), ref_(ref), entrypoint_(entrypoint) {
-    DCHECK(kEmitCompilerReadBarrier);
-  }
-
-  const char* GetDescription() const OVERRIDE { return "ReadBarrierMarkSlowPathBaseARM"; }
-
-  // Generate assembly code calling the read barrier marking runtime
-  // entry point (ReadBarrierMarkRegX).
-  void GenerateReadBarrierMarkRuntimeCall(CodeGenerator* codegen) {
-    Register ref_reg = ref_.AsRegister<Register>();
-
-    // No need to save live registers; it's taken care of by the
-    // entrypoint. Also, there is no need to update the stack mask,
-    // as this runtime call will not trigger a garbage collection.
-    CodeGeneratorARM* arm_codegen = down_cast<CodeGeneratorARM*>(codegen);
-    DCHECK_NE(ref_reg, SP);
-    DCHECK_NE(ref_reg, LR);
-    DCHECK_NE(ref_reg, PC);
-    // IP is used internally by the ReadBarrierMarkRegX entry point
-    // as a temporary, it cannot be the entry point's input/output.
-    DCHECK_NE(ref_reg, IP);
-    DCHECK(0 <= ref_reg && ref_reg < kNumberOfCoreRegisters) << ref_reg;
-    // "Compact" slow path, saving two moves.
-    //
-    // Instead of using the standard runtime calling convention (input
-    // and output in R0):
-    //
-    //   R0 <- ref
-    //   R0 <- ReadBarrierMark(R0)
-    //   ref <- R0
-    //
-    // we just use rX (the register containing `ref`) as input and output
-    // of a dedicated entrypoint:
-    //
-    //   rX <- ReadBarrierMarkRegX(rX)
-    //
-    if (entrypoint_.IsValid()) {
-      arm_codegen->ValidateInvokeRuntimeWithoutRecordingPcInfo(instruction_, this);
-      __ blx(entrypoint_.AsRegister<Register>());
-    } else {
-      // Entrypoint is not already loaded, load from the thread.
-      int32_t entry_point_offset =
-          Thread::ReadBarrierMarkEntryPointsOffset<kArmPointerSize>(ref_reg);
-      // This runtime call does not require a stack map.
-      arm_codegen->InvokeRuntimeWithoutRecordingPcInfo(entry_point_offset, instruction_, this);
-    }
-  }
-
-  // The location (register) of the marked object reference.
-  const Location ref_;
-
-  // The location of the entrypoint if it is already loaded.
-  const Location entrypoint_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ReadBarrierMarkSlowPathBaseARM);
-};
-
-// Slow path marking an object reference `ref` during a read
-// barrier. The field `obj.field` in the object `obj` holding this
-// reference does not get updated by this slow path after marking.
-//
-// This means that after the execution of this slow path, `ref` will
-// always be up-to-date, but `obj.field` may not; i.e., after the
-// flip, `ref` will be a to-space reference, but `obj.field` will
-// probably still be a from-space reference (unless it gets updated by
-// another thread, or if another thread installed another object
-// reference (different from `ref`) in `obj.field`).
-//
-// If `entrypoint` is a valid location it is assumed to already be
-// holding the entrypoint. The case where the entrypoint is passed in
-// is when the decision to mark is based on whether the GC is marking.
-class ReadBarrierMarkSlowPathARM : public ReadBarrierMarkSlowPathBaseARM {
- public:
-  ReadBarrierMarkSlowPathARM(HInstruction* instruction,
-                             Location ref,
-                             Location entrypoint = Location::NoLocation())
-      : ReadBarrierMarkSlowPathBaseARM(instruction, ref, entrypoint) {
-    DCHECK(kEmitCompilerReadBarrier);
-  }
-
-  const char* GetDescription() const OVERRIDE { return "ReadBarrierMarkSlowPathARM"; }
-
-  void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
-    LocationSummary* locations = instruction_->GetLocations();
-    DCHECK(locations->CanCall());
-    if (kIsDebugBuild) {
-      Register ref_reg = ref_.AsRegister<Register>();
-      DCHECK(!locations->GetLiveRegisters()->ContainsCoreRegister(ref_reg)) << ref_reg;
-    }
-    DCHECK(instruction_->IsLoadClass() || instruction_->IsLoadString())
-        << "Unexpected instruction in read barrier marking slow path: "
-        << instruction_->DebugName();
-
-    __ Bind(GetEntryLabel());
-    GenerateReadBarrierMarkRuntimeCall(codegen);
-    __ b(GetExitLabel());
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ReadBarrierMarkSlowPathARM);
-};
-
-// Slow path loading `obj`'s lock word, loading a reference from
-// object `*(obj + offset + (index << scale_factor))` into `ref`, and
-// marking `ref` if `obj` is gray according to the lock word (Baker
-// read barrier). The field `obj.field` in the object `obj` holding
-// this reference does not get updated by this slow path after marking
-// (see LoadReferenceWithBakerReadBarrierAndUpdateFieldSlowPathARM
-// below for that).
-//
-// This means that after the execution of this slow path, `ref` will
-// always be up-to-date, but `obj.field` may not; i.e., after the
-// flip, `ref` will be a to-space reference, but `obj.field` will
-// probably still be a from-space reference (unless it gets updated by
-// another thread, or if another thread installed another object
-// reference (different from `ref`) in `obj.field`).
-//
-// Argument `entrypoint` must be a register location holding the read
-// barrier marking runtime entry point to be invoked.
-class LoadReferenceWithBakerReadBarrierSlowPathARM : public ReadBarrierMarkSlowPathBaseARM {
- public:
-  LoadReferenceWithBakerReadBarrierSlowPathARM(HInstruction* instruction,
-                                               Location ref,
-                                               Register obj,
-                                               uint32_t offset,
-                                               Location index,
-                                               ScaleFactor scale_factor,
-                                               bool needs_null_check,
-                                               Register temp,
-                                               Location entrypoint)
-      : ReadBarrierMarkSlowPathBaseARM(instruction, ref, entrypoint),
-        obj_(obj),
-        offset_(offset),
-        index_(index),
-        scale_factor_(scale_factor),
-        needs_null_check_(needs_null_check),
-        temp_(temp) {
-    DCHECK(kEmitCompilerReadBarrier);
-    DCHECK(kUseBakerReadBarrier);
-  }
-
-  const char* GetDescription() const OVERRIDE {
-    return "LoadReferenceWithBakerReadBarrierSlowPathARM";
-  }
-
-  void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
-    LocationSummary* locations = instruction_->GetLocations();
-    Register ref_reg = ref_.AsRegister<Register>();
-    DCHECK(locations->CanCall());
-    DCHECK(!locations->GetLiveRegisters()->ContainsCoreRegister(ref_reg)) << ref_reg;
-    DCHECK_NE(ref_reg, temp_);
-    DCHECK(instruction_->IsInstanceFieldGet() ||
-           instruction_->IsStaticFieldGet() ||
-           instruction_->IsArrayGet() ||
-           instruction_->IsArraySet() ||
-           instruction_->IsInstanceOf() ||
-           instruction_->IsCheckCast() ||
-           (instruction_->IsInvokeVirtual() && instruction_->GetLocations()->Intrinsified()) ||
-           (instruction_->IsInvokeStaticOrDirect() && instruction_->GetLocations()->Intrinsified()))
-        << "Unexpected instruction in read barrier marking slow path: "
-        << instruction_->DebugName();
-    // The read barrier instrumentation of object ArrayGet
-    // instructions does not support the HIntermediateAddress
-    // instruction.
-    DCHECK(!(instruction_->IsArrayGet() &&
-             instruction_->AsArrayGet()->GetArray()->IsIntermediateAddress()));
-
-    __ Bind(GetEntryLabel());
-
-    // When using MaybeGenerateReadBarrierSlow, the read barrier call is
-    // inserted after the original load. However, in fast path based
-    // Baker's read barriers, we need to perform the load of
-    // mirror::Object::monitor_ *before* the original reference load.
-    // This load-load ordering is required by the read barrier.
-    // The slow path (for Baker's algorithm) should look like:
-    //
-    //   uint32_t rb_state = Lockword(obj->monitor_).ReadBarrierState();
-    //   lfence;  // Load fence or artificial data dependency to prevent load-load reordering
-    //   HeapReference<mirror::Object> ref = *src;  // Original reference load.
-    //   bool is_gray = (rb_state == ReadBarrier::GrayState());
-    //   if (is_gray) {
-    //     ref = entrypoint(ref);  // ref = ReadBarrier::Mark(ref);  // Runtime entry point call.
-    //   }
-    //
-    // Note: the original implementation in ReadBarrier::Barrier is
-    // slightly more complex as it performs additional checks that we do
-    // not do here for performance reasons.
-
-    // /* int32_t */ monitor = obj->monitor_
-    uint32_t monitor_offset = mirror::Object::MonitorOffset().Int32Value();
-    __ LoadFromOffset(kLoadWord, temp_, obj_, monitor_offset);
-    if (needs_null_check_) {
-      codegen->MaybeRecordImplicitNullCheck(instruction_);
-    }
-    // /* LockWord */ lock_word = LockWord(monitor)
-    static_assert(sizeof(LockWord) == sizeof(int32_t),
-                  "art::LockWord and int32_t have different sizes.");
-
-    // Introduce a dependency on the lock_word including the rb_state,
-    // which shall prevent load-load reordering without using
-    // a memory barrier (which would be more expensive).
-    // `obj` is unchanged by this operation, but its value now depends
-    // on `temp`.
-    __ add(obj_, obj_, ShifterOperand(temp_, LSR, 32));
-
-    // The actual reference load.
-    // A possible implicit null check has already been handled above.
-    CodeGeneratorARM* arm_codegen = down_cast<CodeGeneratorARM*>(codegen);
-    arm_codegen->GenerateRawReferenceLoad(
-        instruction_, ref_, obj_, offset_, index_, scale_factor_, /* needs_null_check */ false);
-
-    // Mark the object `ref` when `obj` is gray.
-    //
-    // if (rb_state == ReadBarrier::GrayState())
-    //   ref = ReadBarrier::Mark(ref);
-    //
-    // Given the numeric representation, it's enough to check the low bit of the
-    // rb_state. We do that by shifting the bit out of the lock word with LSRS
-    // which can be a 16-bit instruction unlike the TST immediate.
-    static_assert(ReadBarrier::WhiteState() == 0, "Expecting white to have value 0");
-    static_assert(ReadBarrier::GrayState() == 1, "Expecting gray to have value 1");
-    __ Lsrs(temp_, temp_, LockWord::kReadBarrierStateShift + 1);
-    __ b(GetExitLabel(), CC);  // Carry flag is the last bit shifted out by LSRS.
-    GenerateReadBarrierMarkRuntimeCall(codegen);
-
-    __ b(GetExitLabel());
-  }
-
- private:
-  // The register containing the object holding the marked object reference field.
-  Register obj_;
-  // The offset, index and scale factor to access the reference in `obj_`.
-  uint32_t offset_;
-  Location index_;
-  ScaleFactor scale_factor_;
-  // Is a null check required?
-  bool needs_null_check_;
-  // A temporary register used to hold the lock word of `obj_`.
-  Register temp_;
-
-  DISALLOW_COPY_AND_ASSIGN(LoadReferenceWithBakerReadBarrierSlowPathARM);
-};
-
-// Slow path loading `obj`'s lock word, loading a reference from
-// object `*(obj + offset + (index << scale_factor))` into `ref`, and
-// marking `ref` if `obj` is gray according to the lock word (Baker
-// read barrier). If needed, this slow path also atomically updates
-// the field `obj.field` in the object `obj` holding this reference
-// after marking (contrary to
-// LoadReferenceWithBakerReadBarrierSlowPathARM above, which never
-// tries to update `obj.field`).
-//
-// This means that after the execution of this slow path, both `ref`
-// and `obj.field` will be up-to-date; i.e., after the flip, both will
-// hold the same to-space reference (unless another thread installed
-// another object reference (different from `ref`) in `obj.field`).
-//
-// Argument `entrypoint` must be a register location holding the read
-// barrier marking runtime entry point to be invoked.
-class LoadReferenceWithBakerReadBarrierAndUpdateFieldSlowPathARM
-    : public ReadBarrierMarkSlowPathBaseARM {
- public:
-  LoadReferenceWithBakerReadBarrierAndUpdateFieldSlowPathARM(HInstruction* instruction,
-                                                             Location ref,
-                                                             Register obj,
-                                                             uint32_t offset,
-                                                             Location index,
-                                                             ScaleFactor scale_factor,
-                                                             bool needs_null_check,
-                                                             Register temp1,
-                                                             Register temp2,
-                                                             Location entrypoint)
-      : ReadBarrierMarkSlowPathBaseARM(instruction, ref, entrypoint),
-        obj_(obj),
-        offset_(offset),
-        index_(index),
-        scale_factor_(scale_factor),
-        needs_null_check_(needs_null_check),
-        temp1_(temp1),
-        temp2_(temp2) {
-    DCHECK(kEmitCompilerReadBarrier);
-    DCHECK(kUseBakerReadBarrier);
-  }
-
-  const char* GetDescription() const OVERRIDE {
-    return "LoadReferenceWithBakerReadBarrierAndUpdateFieldSlowPathARM";
-  }
-
-  void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
-    LocationSummary* locations = instruction_->GetLocations();
-    Register ref_reg = ref_.AsRegister<Register>();
-    DCHECK(locations->CanCall());
-    DCHECK(!locations->GetLiveRegisters()->ContainsCoreRegister(ref_reg)) << ref_reg;
-    DCHECK_NE(ref_reg, temp1_);
-
-    // This slow path is only used by the UnsafeCASObject intrinsic at the moment.
-    DCHECK((instruction_->IsInvokeVirtual() && instruction_->GetLocations()->Intrinsified()))
-        << "Unexpected instruction in read barrier marking and field updating slow path: "
-        << instruction_->DebugName();
-    DCHECK(instruction_->GetLocations()->Intrinsified());
-    DCHECK_EQ(instruction_->AsInvoke()->GetIntrinsic(), Intrinsics::kUnsafeCASObject);
-    DCHECK_EQ(offset_, 0u);
-    DCHECK_EQ(scale_factor_, ScaleFactor::TIMES_1);
-    // The location of the offset of the marked reference field within `obj_`.
-    Location field_offset = index_;
-    DCHECK(field_offset.IsRegisterPair()) << field_offset;
-
-    __ Bind(GetEntryLabel());
-
-    // The implementation is similar to LoadReferenceWithBakerReadBarrierSlowPathARM's:
-    //
-    //   uint32_t rb_state = Lockword(obj->monitor_).ReadBarrierState();
-    //   lfence;  // Load fence or artificial data dependency to prevent load-load reordering
-    //   HeapReference<mirror::Object> ref = *src;  // Original reference load.
-    //   bool is_gray = (rb_state == ReadBarrier::GrayState());
-    //   if (is_gray) {
-    //     old_ref = ref;
-    //     ref = entrypoint(ref);  // ref = ReadBarrier::Mark(ref);  // Runtime entry point call.
-    //     compareAndSwapObject(obj, field_offset, old_ref, ref);
-    //   }
-
-    // /* int32_t */ monitor = obj->monitor_
-    uint32_t monitor_offset = mirror::Object::MonitorOffset().Int32Value();
-    __ LoadFromOffset(kLoadWord, temp1_, obj_, monitor_offset);
-    if (needs_null_check_) {
-      codegen->MaybeRecordImplicitNullCheck(instruction_);
-    }
-    // /* LockWord */ lock_word = LockWord(monitor)
-    static_assert(sizeof(LockWord) == sizeof(int32_t),
-                  "art::LockWord and int32_t have different sizes.");
-
-    // Introduce a dependency on the lock_word including the rb_state,
-    // which shall prevent load-load reordering without using
-    // a memory barrier (which would be more expensive).
-    // `obj` is unchanged by this operation, but its value now depends
-    // on `temp1`.
-    __ add(obj_, obj_, ShifterOperand(temp1_, LSR, 32));
-
-    // The actual reference load.
-    // A possible implicit null check has already been handled above.
-    CodeGeneratorARM* arm_codegen = down_cast<CodeGeneratorARM*>(codegen);
-    arm_codegen->GenerateRawReferenceLoad(
-        instruction_, ref_, obj_, offset_, index_, scale_factor_, /* needs_null_check */ false);
-
-    // Mark the object `ref` when `obj` is gray.
-    //
-    // if (rb_state == ReadBarrier::GrayState())
-    //   ref = ReadBarrier::Mark(ref);
-    //
-    // Given the numeric representation, it's enough to check the low bit of the
-    // rb_state. We do that by shifting the bit out of the lock word with LSRS
-    // which can be a 16-bit instruction unlike the TST immediate.
-    static_assert(ReadBarrier::WhiteState() == 0, "Expecting white to have value 0");
-    static_assert(ReadBarrier::GrayState() == 1, "Expecting gray to have value 1");
-    __ Lsrs(temp1_, temp1_, LockWord::kReadBarrierStateShift + 1);
-    __ b(GetExitLabel(), CC);  // Carry flag is the last bit shifted out by LSRS.
-
-    // Save the old value of the reference before marking it.
-    // Note that we cannot use IP to save the old reference, as IP is
-    // used internally by the ReadBarrierMarkRegX entry point, and we
-    // need the old reference after the call to that entry point.
-    DCHECK_NE(temp1_, IP);
-    __ Mov(temp1_, ref_reg);
-
-    GenerateReadBarrierMarkRuntimeCall(codegen);
-
-    // If the new reference is different from the old reference,
-    // update the field in the holder (`*(obj_ + field_offset)`).
-    //
-    // Note that this field could also hold a different object, if
-    // another thread had concurrently changed it. In that case, the
-    // LDREX/SUBS/ITNE sequence of instructions in the compare-and-set
-    // (CAS) operation below would abort the CAS, leaving the field
-    // as-is.
-    __ cmp(temp1_, ShifterOperand(ref_reg));
-    __ b(GetExitLabel(), EQ);
-
-    // Update the the holder's field atomically.  This may fail if
-    // mutator updates before us, but it's OK.  This is achieved
-    // using a strong compare-and-set (CAS) operation with relaxed
-    // memory synchronization ordering, where the expected value is
-    // the old reference and the desired value is the new reference.
-
-    // Convenience aliases.
-    Register base = obj_;
-    // The UnsafeCASObject intrinsic uses a register pair as field
-    // offset ("long offset"), of which only the low part contains
-    // data.
-    Register offset = field_offset.AsRegisterPairLow<Register>();
-    Register expected = temp1_;
-    Register value = ref_reg;
-    Register tmp_ptr = IP;       // Pointer to actual memory.
-    Register tmp = temp2_;       // Value in memory.
-
-    __ add(tmp_ptr, base, ShifterOperand(offset));
-
-    if (kPoisonHeapReferences) {
-      __ PoisonHeapReference(expected);
-      if (value == expected) {
-        // Do not poison `value`, as it is the same register as
-        // `expected`, which has just been poisoned.
-      } else {
-        __ PoisonHeapReference(value);
-      }
-    }
-
-    // do {
-    //   tmp = [r_ptr] - expected;
-    // } while (tmp == 0 && failure([r_ptr] <- r_new_value));
-
-    Label loop_head, exit_loop;
-    __ Bind(&loop_head);
-
-    __ ldrex(tmp, tmp_ptr);
-
-    __ subs(tmp, tmp, ShifterOperand(expected));
-
-    __ it(NE);
-    __ clrex(NE);
-
-    __ b(&exit_loop, NE);
-
-    __ strex(tmp, value, tmp_ptr);
-    __ cmp(tmp, ShifterOperand(1));
-    __ b(&loop_head, EQ);
-
-    __ Bind(&exit_loop);
-
-    if (kPoisonHeapReferences) {
-      __ UnpoisonHeapReference(expected);
-      if (value == expected) {
-        // Do not unpoison `value`, as it is the same register as
-        // `expected`, which has just been unpoisoned.
-      } else {
-        __ UnpoisonHeapReference(value);
-      }
-    }
-
-    __ b(GetExitLabel());
-  }
-
- private:
-  // The register containing the object holding the marked object reference field.
-  const Register obj_;
-  // The offset, index and scale factor to access the reference in `obj_`.
-  uint32_t offset_;
-  Location index_;
-  ScaleFactor scale_factor_;
-  // Is a null check required?
-  bool needs_null_check_;
-  // A temporary register used to hold the lock word of `obj_`; and
-  // also to hold the original reference value, when the reference is
-  // marked.
-  const Register temp1_;
-  // A temporary register used in the implementation of the CAS, to
-  // update the object's reference field.
-  const Register temp2_;
-
-  DISALLOW_COPY_AND_ASSIGN(LoadReferenceWithBakerReadBarrierAndUpdateFieldSlowPathARM);
-};
-
-// Slow path generating a read barrier for a heap reference.
-class ReadBarrierForHeapReferenceSlowPathARM : public SlowPathCodeARM {
- public:
-  ReadBarrierForHeapReferenceSlowPathARM(HInstruction* instruction,
-                                         Location out,
-                                         Location ref,
-                                         Location obj,
-                                         uint32_t offset,
-                                         Location index)
-      : SlowPathCodeARM(instruction),
-        out_(out),
-        ref_(ref),
-        obj_(obj),
-        offset_(offset),
-        index_(index) {
-    DCHECK(kEmitCompilerReadBarrier);
-    // If `obj` is equal to `out` or `ref`, it means the initial object
-    // has been overwritten by (or after) the heap object reference load
-    // to be instrumented, e.g.:
-    //
-    //   __ LoadFromOffset(kLoadWord, out, out, offset);
-    //   codegen_->GenerateReadBarrierSlow(instruction, out_loc, out_loc, out_loc, offset);
-    //
-    // In that case, we have lost the information about the original
-    // object, and the emitted read barrier cannot work properly.
-    DCHECK(!obj.Equals(out)) << "obj=" << obj << " out=" << out;
-    DCHECK(!obj.Equals(ref)) << "obj=" << obj << " ref=" << ref;
-  }
-
-  void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
-    CodeGeneratorARM* arm_codegen = down_cast<CodeGeneratorARM*>(codegen);
-    LocationSummary* locations = instruction_->GetLocations();
-    Register reg_out = out_.AsRegister<Register>();
-    DCHECK(locations->CanCall());
-    DCHECK(!locations->GetLiveRegisters()->ContainsCoreRegister(reg_out));
-    DCHECK(instruction_->IsInstanceFieldGet() ||
-           instruction_->IsStaticFieldGet() ||
-           instruction_->IsArrayGet() ||
-           instruction_->IsInstanceOf() ||
-           instruction_->IsCheckCast() ||
-           (instruction_->IsInvokeVirtual() && instruction_->GetLocations()->Intrinsified()))
-        << "Unexpected instruction in read barrier for heap reference slow path: "
-        << instruction_->DebugName();
-    // The read barrier instrumentation of object ArrayGet
-    // instructions does not support the HIntermediateAddress
-    // instruction.
-    DCHECK(!(instruction_->IsArrayGet() &&
-             instruction_->AsArrayGet()->GetArray()->IsIntermediateAddress()));
-
-    __ Bind(GetEntryLabel());
-    SaveLiveRegisters(codegen, locations);
-
-    // We may have to change the index's value, but as `index_` is a
-    // constant member (like other "inputs" of this slow path),
-    // introduce a copy of it, `index`.
-    Location index = index_;
-    if (index_.IsValid()) {
-      // Handle `index_` for HArrayGet and UnsafeGetObject/UnsafeGetObjectVolatile intrinsics.
-      if (instruction_->IsArrayGet()) {
-        // Compute the actual memory offset and store it in `index`.
-        Register index_reg = index_.AsRegister<Register>();
-        DCHECK(locations->GetLiveRegisters()->ContainsCoreRegister(index_reg));
-        if (codegen->IsCoreCalleeSaveRegister(index_reg)) {
-          // We are about to change the value of `index_reg` (see the
-          // calls to art::arm::Thumb2Assembler::Lsl and
-          // art::arm::Thumb2Assembler::AddConstant below), but it has
-          // not been saved by the previous call to
-          // art::SlowPathCode::SaveLiveRegisters, as it is a
-          // callee-save register --
-          // art::SlowPathCode::SaveLiveRegisters does not consider
-          // callee-save registers, as it has been designed with the
-          // assumption that callee-save registers are supposed to be
-          // handled by the called function.  So, as a callee-save
-          // register, `index_reg` _would_ eventually be saved onto
-          // the stack, but it would be too late: we would have
-          // changed its value earlier.  Therefore, we manually save
-          // it here into another freely available register,
-          // `free_reg`, chosen of course among the caller-save
-          // registers (as a callee-save `free_reg` register would
-          // exhibit the same problem).
-          //
-          // Note we could have requested a temporary register from
-          // the register allocator instead; but we prefer not to, as
-          // this is a slow path, and we know we can find a
-          // caller-save register that is available.
-          Register free_reg = FindAvailableCallerSaveRegister(codegen);
-          __ Mov(free_reg, index_reg);
-          index_reg = free_reg;
-          index = Location::RegisterLocation(index_reg);
-        } else {
-          // The initial register stored in `index_` has already been
-          // saved in the call to art::SlowPathCode::SaveLiveRegisters
-          // (as it is not a callee-save register), so we can freely
-          // use it.
-        }
-        // Shifting the index value contained in `index_reg` by the scale
-        // factor (2) cannot overflow in practice, as the runtime is
-        // unable to allocate object arrays with a size larger than
-        // 2^26 - 1 (that is, 2^28 - 4 bytes).
-        __ Lsl(index_reg, index_reg, TIMES_4);
-        static_assert(
-            sizeof(mirror::HeapReference<mirror::Object>) == sizeof(int32_t),
-            "art::mirror::HeapReference<art::mirror::Object> and int32_t have different sizes.");
-        __ AddConstant(index_reg, index_reg, offset_);
-      } else {
-        // In the case of the UnsafeGetObject/UnsafeGetObjectVolatile
-        // intrinsics, `index_` is not shifted by a scale factor of 2
-        // (as in the case of ArrayGet), as it is actually an offset
-        // to an object field within an object.
-        DCHECK(instruction_->IsInvoke()) << instruction_->DebugName();
-        DCHECK(instruction_->GetLocations()->Intrinsified());
-        DCHECK((instruction_->AsInvoke()->GetIntrinsic() == Intrinsics::kUnsafeGetObject) ||
-               (instruction_->AsInvoke()->GetIntrinsic() == Intrinsics::kUnsafeGetObjectVolatile))
-            << instruction_->AsInvoke()->GetIntrinsic();
-        DCHECK_EQ(offset_, 0U);
-        DCHECK(index_.IsRegisterPair());
-        // UnsafeGet's offset location is a register pair, the low
-        // part contains the correct offset.
-        index = index_.ToLow();
-      }
-    }
-
-    // We're moving two or three locations to locations that could
-    // overlap, so we need a parallel move resolver.
-    InvokeRuntimeCallingConvention calling_convention;
-    HParallelMove parallel_move(codegen->GetGraph()->GetArena());
-    parallel_move.AddMove(ref_,
-                          Location::RegisterLocation(calling_convention.GetRegisterAt(0)),
-                          Primitive::kPrimNot,
-                          nullptr);
-    parallel_move.AddMove(obj_,
-                          Location::RegisterLocation(calling_convention.GetRegisterAt(1)),
-                          Primitive::kPrimNot,
-                          nullptr);
-    if (index.IsValid()) {
-      parallel_move.AddMove(index,
-                            Location::RegisterLocation(calling_convention.GetRegisterAt(2)),
-                            Primitive::kPrimInt,
-                            nullptr);
-      codegen->GetMoveResolver()->EmitNativeCode(&parallel_move);
-    } else {
-      codegen->GetMoveResolver()->EmitNativeCode(&parallel_move);
-      __ LoadImmediate(calling_convention.GetRegisterAt(2), offset_);
-    }
-    arm_codegen->InvokeRuntime(kQuickReadBarrierSlow, instruction_, instruction_->GetDexPc(), this);
-    CheckEntrypointTypes<
-        kQuickReadBarrierSlow, mirror::Object*, mirror::Object*, mirror::Object*, uint32_t>();
-    arm_codegen->Move32(out_, Location::RegisterLocation(R0));
-
-    RestoreLiveRegisters(codegen, locations);
-    __ b(GetExitLabel());
-  }
-
-  const char* GetDescription() const OVERRIDE { return "ReadBarrierForHeapReferenceSlowPathARM"; }
-
- private:
-  Register FindAvailableCallerSaveRegister(CodeGenerator* codegen) {
-    size_t ref = static_cast<int>(ref_.AsRegister<Register>());
-    size_t obj = static_cast<int>(obj_.AsRegister<Register>());
-    for (size_t i = 0, e = codegen->GetNumberOfCoreRegisters(); i < e; ++i) {
-      if (i != ref && i != obj && !codegen->IsCoreCalleeSaveRegister(i)) {
-        return static_cast<Register>(i);
-      }
-    }
-    // We shall never fail to find a free caller-save register, as
-    // there are more than two core caller-save registers on ARM
-    // (meaning it is possible to find one which is different from
-    // `ref` and `obj`).
-    DCHECK_GT(codegen->GetNumberOfCoreCallerSaveRegisters(), 2u);
-    LOG(FATAL) << "Could not find a free caller-save register";
-    UNREACHABLE();
-  }
-
-  const Location out_;
-  const Location ref_;
-  const Location obj_;
-  const uint32_t offset_;
-  // An additional location containing an index to an array.
-  // Only used for HArrayGet and the UnsafeGetObject &
-  // UnsafeGetObjectVolatile intrinsics.
-  const Location index_;
-
-  DISALLOW_COPY_AND_ASSIGN(ReadBarrierForHeapReferenceSlowPathARM);
-};
-
-// Slow path generating a read barrier for a GC root.
-class ReadBarrierForRootSlowPathARM : public SlowPathCodeARM {
- public:
-  ReadBarrierForRootSlowPathARM(HInstruction* instruction, Location out, Location root)
-      : SlowPathCodeARM(instruction), out_(out), root_(root) {
-    DCHECK(kEmitCompilerReadBarrier);
-  }
-
-  void EmitNativeCode(CodeGenerator* codegen) OVERRIDE {
-    LocationSummary* locations = instruction_->GetLocations();
-    Register reg_out = out_.AsRegister<Register>();
-    DCHECK(locations->CanCall());
-    DCHECK(!locations->GetLiveRegisters()->ContainsCoreRegister(reg_out));
-    DCHECK(instruction_->IsLoadClass() || instruction_->IsLoadString())
-        << "Unexpected instruction in read barrier for GC root slow path: "
-        << instruction_->DebugName();
-
-    __ Bind(GetEntryLabel());
-    SaveLiveRegisters(codegen, locations);
-
-    InvokeRuntimeCallingConvention calling_convention;
-    CodeGeneratorARM* arm_codegen = down_cast<CodeGeneratorARM*>(codegen);
-    arm_codegen->Move32(Location::RegisterLocation(calling_convention.GetRegisterAt(0)), root_);
-    arm_codegen->InvokeRuntime(kQuickReadBarrierForRootSlow,
-                               instruction_,
-                               instruction_->GetDexPc(),
-                               this);
-    CheckEntrypointTypes<kQuickReadBarrierForRootSlow, mirror::Object*, GcRoot<mirror::Object>*>();
-    arm_codegen->Move32(out_, Location::RegisterLocation(R0));
-
-    RestoreLiveRegisters(codegen, locations);
-    __ b(GetExitLabel());
-  }
-
-  const char* GetDescription() const OVERRIDE { return "ReadBarrierForRootSlowPathARM"; }
-
- private:
-  const Location out_;
-  const Location root_;
-
-  DISALLOW_COPY_AND_ASSIGN(ReadBarrierForRootSlowPathARM);
-};
-
-inline Condition ARMCondition(IfCondition cond) {
-  switch (cond) {
-    case kCondEQ: return EQ;
-    case kCondNE: return NE;
-    case kCondLT: return LT;
-    case kCondLE: return LE;
-    case kCondGT: return GT;
-    case kCondGE: return GE;
-    case kCondB:  return LO;
-    case kCondBE: return LS;
-    case kCondA:  return HI;
-    case kCondAE: return HS;
-  }
-  LOG(FATAL) << "Unreachable";
-  UNREACHABLE();
-}
-
-// Maps signed condition to unsigned condition.
-inline Condition ARMUnsignedCondition(IfCondition cond) {
-  switch (cond) {
-    case kCondEQ: return EQ;
-    case kCondNE: return NE;
-    // Signed to unsigned.
-    case kCondLT: return LO;
-    case kCondLE: return LS;
-    case kCondGT: return HI;
-    case kCondGE: return HS;
-    // Unsigned remain unchanged.
-    case kCondB:  return LO;
-    case kCondBE: return LS;
-    case kCondA:  return HI;
-    case kCondAE: return HS;
-  }
-  LOG(FATAL) << "Unreachable";
-  UNREACHABLE();
-}
-
-inline Condition ARMFPCondition(IfCondition cond, bool gt_bias) {
-  // The ARM condition codes can express all the necessary branches, see the
-  // "Meaning (floating-point)" column in the table A8-1 of the ARMv7 reference manual.
-  // There is no dex instruction or HIR that would need the missing conditions
-  // "equal or unordered" or "not equal".
-  switch (cond) {
-    case kCondEQ: return EQ;
-    case kCondNE: return NE /* unordered */;
-    case kCondLT: return gt_bias ? CC : LT /* unordered */;
-    case kCondLE: return gt_bias ? LS : LE /* unordered */;
-    case kCondGT: return gt_bias ? HI /* unordered */ : GT;
-    case kCondGE: return gt_bias ? CS /* unordered */ : GE;
-    default:
-      LOG(FATAL) << "UNREACHABLE";
-      UNREACHABLE();
-  }
-}
-
-inline Shift ShiftFromOpKind(HDataProcWithShifterOp::OpKind op_kind) {
-  switch (op_kind) {
-    case HDataProcWithShifterOp::kASR: return ASR;
-    case HDataProcWithShifterOp::kLSL: return LSL;
-    case HDataProcWithShifterOp::kLSR: return LSR;
-    default:
-      LOG(FATAL) << "Unexpected op kind " << op_kind;
-      UNREACHABLE();
-  }
-}
-
-static void GenerateDataProcInstruction(HInstruction::InstructionKind kind,
-                                        Register out,
-                                        Register first,
-                                        const ShifterOperand& second,
-                                        CodeGeneratorARM* codegen) {
-  if (second.IsImmediate() && second.GetImmediate() == 0) {
-    const ShifterOperand in = kind == HInstruction::kAnd
-        ? ShifterOperand(0)
-        : ShifterOperand(first);
-
-    __ mov(out, in);
-  } else {
-    switch (kind) {
-      case HInstruction::kAdd:
-        __ add(out, first, second);
-        break;
-      case HInstruction::kAnd:
-        __ and_(out, first, second);
-        break;
-      case HInstruction::kOr:
-        __ orr(out, first, second);
-        break;
-      case HInstruction::kSub:
-        __ sub(out, first, second);
-        break;
-      case HInstruction::kXor:
-        __ eor(out, first, second);
-        break;
-      default:
-        LOG(FATAL) << "Unexpected instruction kind: " << kind;
-        UNREACHABLE();
-    }
-  }
-}
-
-static void GenerateDataProc(HInstruction::InstructionKind kind,
-                             const Location& out,
-                             const Location& first,
-                             const ShifterOperand& second_lo,
-                             const ShifterOperand& second_hi,
-                             CodeGeneratorARM* codegen) {
-  const Register first_hi = first.AsRegisterPairHigh<Register>();
-  const Register first_lo = first.AsRegisterPairLow<Register>();
-  const Register out_hi = out.AsRegisterPairHigh<Register>();
-  const Register out_lo = out.AsRegisterPairLow<Register>();
-
-  if (kind == HInstruction::kAdd) {
-    __ adds(out_lo, first_lo, second_lo);
-    __ adc(out_hi, first_hi, second_hi);
-  } else if (kind == HInstruction::kSub) {
-    __ subs(out_lo, first_lo, second_lo);
-    __ sbc(out_hi, first_hi, second_hi);
-  } else {
-    GenerateDataProcInstruction(kind, out_lo, first_lo, second_lo, codegen);
-    GenerateDataProcInstruction(kind, out_hi, first_hi, second_hi, codegen);
-  }
-}
-
-static ShifterOperand GetShifterOperand(Register rm, Shift shift, uint32_t shift_imm) {
-  return shift_imm == 0 ? ShifterOperand(rm) : ShifterOperand(rm, shift, shift_imm);
-}
-
-static void GenerateLongDataProc(HDataProcWithShifterOp* instruction, CodeGeneratorARM* codegen) {
-  DCHECK_EQ(instruction->GetType(), Primitive::kPrimLong);
-  DCHECK(HDataProcWithShifterOp::IsShiftOp(instruction->GetOpKind()));
-
-  const LocationSummary* const locations = instruction->GetLocations();
-  const uint32_t shift_value = instruction->GetShiftAmount();
-  const HInstruction::InstructionKind kind = instruction->GetInstrKind();
-  const Location first = locations->InAt(0);
-  const Location second = locations->InAt(1);
-  const Location out = locations->Out();
-  const Register first_hi = first.AsRegisterPairHigh<Register>();
-  const Register first_lo = first.AsRegisterPairLow<Register>();
-  const Register out_hi = out.AsRegisterPairHigh<Register>();
-  const Register out_lo = out.AsRegisterPairLow<Register>();
-  const Register second_hi = second.AsRegisterPairHigh<Register>();
-  const Register second_lo = second.AsRegisterPairLow<Register>();
-  const Shift shift = ShiftFromOpKind(instruction->GetOpKind());
-
-  if (shift_value >= 32) {
-    if (shift == LSL) {
-      GenerateDataProcInstruction(kind,
-                                  out_hi,
-                                  first_hi,
-                                  ShifterOperand(second_lo, LSL, shift_value - 32),
-                                  codegen);
-      GenerateDataProcInstruction(kind,
-                                  out_lo,
-                                  first_lo,
-                                  ShifterOperand(0),
-                                  codegen);
-    } else if (shift == ASR) {
-      GenerateDataProc(kind,
-                       out,
-                       first,
-                       GetShifterOperand(second_hi, ASR, shift_value - 32),
-                       ShifterOperand(second_hi, ASR, 31),
-                       codegen);
-    } else {
-      DCHECK_EQ(shift, LSR);
-      GenerateDataProc(kind,
-                       out,
-                       first,
-                       GetShifterOperand(second_hi, LSR, shift_value - 32),
-                       ShifterOperand(0),
-                       codegen);
-    }
-  } else {
-    DCHECK_GT(shift_value, 1U);
-    DCHECK_LT(shift_value, 32U);
-
-    if (shift == LSL) {
-      // We are not doing this for HInstruction::kAdd because the output will require
-      // Location::kOutputOverlap; not applicable to other cases.
-      if (kind == HInstruction::kOr || kind == HInstruction::kXor) {
-        GenerateDataProcInstruction(kind,
-                                    out_hi,
-                                    first_hi,
-                                    ShifterOperand(second_hi, LSL, shift_value),
-                                    codegen);
-        GenerateDataProcInstruction(kind,
-                                    out_hi,
-                                    out_hi,
-                                    ShifterOperand(second_lo, LSR, 32 - shift_value),
-                                    codegen);
-        GenerateDataProcInstruction(kind,
-                                    out_lo,
-                                    first_lo,
-                                    ShifterOperand(second_lo, LSL, shift_value),
-                                    codegen);
-      } else {
-        __ Lsl(IP, second_hi, shift_value);
-        __ orr(IP, IP, ShifterOperand(second_lo, LSR, 32 - shift_value));
-        GenerateDataProc(kind,
-                         out,
-                         first,
-                         ShifterOperand(second_lo, LSL, shift_value),
-                         ShifterOperand(IP),
-                         codegen);
-      }
-    } else {
-      DCHECK(shift == ASR || shift == LSR);
-
-      // We are not doing this for HInstruction::kAdd because the output will require
-      // Location::kOutputOverlap; not applicable to other cases.
-      if (kind == HInstruction::kOr || kind == HInstruction::kXor) {
-        GenerateDataProcInstruction(kind,
-                                    out_lo,
-                                    first_lo,
-                                    ShifterOperand(second_lo, LSR, shift_value),
-                                    codegen);
-        GenerateDataProcInstruction(kind,
-                                    out_lo,
-                                    out_lo,
-                                    ShifterOperand(second_hi, LSL, 32 - shift_value),
-                                    codegen);
-        GenerateDataProcInstruction(kind,
-                                    out_hi,
-                                    first_hi,
-                                    ShifterOperand(second_hi, shift, shift_value),
-                                    codegen);
-      } else {
-        __ Lsr(IP, second_lo, shift_value);
-        __ orr(IP, IP, ShifterOperand(second_hi, LSL, 32 - shift_value));
-        GenerateDataProc(kind,
-                         out,
-                         first,
-                         ShifterOperand(IP),
-                         ShifterOperand(second_hi, shift, shift_value),
-                         codegen);
-      }
-    }
-  }
-}
-
-static void GenerateVcmp(HInstruction* instruction, CodeGeneratorARM* codegen) {
-  Primitive::Type type = instruction->InputAt(0)->GetType();
-  Location lhs_loc = instruction->GetLocations()->InAt(0);
-  Location rhs_loc = instruction->GetLocations()->InAt(1);
-  if (rhs_loc.IsConstant()) {
-    // 0.0 is the only immediate that can be encoded directly in
-    // a VCMP instruction.
-    //
-    // Both the JLS (section 15.20.1) and the JVMS (section 6.5)
-    // specify that in a floating-point comparison, positive zero
-    // and negative zero are considered equal, so we can use the
-    // literal 0.0 for both cases here.
-    //
-    // Note however that some methods (Float.equal, Float.compare,
-    // Float.compareTo, Double.equal, Double.compare,
-    // Double.compareTo, Math.max, Math.min, StrictMath.max,
-    // StrictMath.min) consider 0.0 to be (strictly) greater than
-    // -0.0. So if we ever translate calls to these methods into a
-    // HCompare instruction, we must handle the -0.0 case with
-    // care here.
-    DCHECK(rhs_loc.GetConstant()->IsArithmeticZero());
-    if (type == Primitive::kPrimFloat) {
-      __ vcmpsz(lhs_loc.AsFpuRegister<SRegister>());
-    } else {
-      DCHECK_EQ(type, Primitive::kPrimDouble);
-      __ vcmpdz(FromLowSToD(lhs_loc.AsFpuRegisterPairLow<SRegister>()));
-    }
-  } else {
-    if (type == Primitive::kPrimFloat) {
-      __ vcmps(lhs_loc.AsFpuRegister<SRegister>(), rhs_loc.AsFpuRegister<SRegister>());
-    } else {
-      DCHECK_EQ(type, Primitive::kPrimDouble);
-      __ vcmpd(FromLowSToD(lhs_loc.AsFpuRegisterPairLow<SRegister>()),
-               FromLowSToD(rhs_loc.AsFpuRegisterPairLow<SRegister>()));
-    }
-  }
-}
-
-static int64_t AdjustConstantForCondition(int64_t value,
-                                          IfCondition* condition,
-                                          IfCondition* opposite) {
-  if (value == 1) {
-    if (*condition == kCondB) {
-      value = 0;
-      *condition = kCondEQ;
-      *opposite = kCondNE;
-    } else if (*condition == kCondAE) {
-      value = 0;
-      *condition = kCondNE;
-      *opposite = kCondEQ;
-    }
-  } else if (value == -1) {
-    if (*condition == kCondGT) {
-      value = 0;
-      *condition = kCondGE;
-      *opposite = kCondLT;
-    } else if (*condition == kCondLE) {
-      value = 0;
-      *condition = kCondLT;
-      *opposite = kCondGE;
-    }
-  }
-
-  return value;
-}
-
-static std::pair<Condition, Condition> GenerateLongTestConstant(HCondition* condition,
-                                                                bool invert,
-                                                                CodeGeneratorARM* codegen) {
-  DCHECK_EQ(condition->GetLeft()->GetType(), Primitive::kPrimLong);
-
-  const LocationSummary* const locations = condition->GetLocations();
-  IfCondition cond = condition->GetCondition();
-  IfCondition opposite = condition->GetOppositeCondition();
-
-  if (invert) {
-    std::swap(cond, opposite);
-  }
-
-  std::pair<Condition, Condition> ret(EQ, NE);
-  const Location left = locations->InAt(0);
-  const Location right = locations->InAt(1);
-
-  DCHECK(right.IsConstant());
-
-  const Register left_high = left.AsRegisterPairHigh<Register>();
-  const Register left_low = left.AsRegisterPairLow<Register>();
-  int64_t value = AdjustConstantForCondition(right.GetConstant()->AsLongConstant()->GetValue(),
-                                             &cond,
-                                             &opposite);
-
-  // Comparisons against 0 are common enough to deserve special attention.
-  if (value == 0) {
-    switch (cond) {
-      case kCondNE:
-      // x > 0 iff x != 0 when the comparison is unsigned.
-      case kCondA:
-        ret = std::make_pair(NE, EQ);
-        FALLTHROUGH_INTENDED;
-      case kCondEQ:
-      // x <= 0 iff x == 0 when the comparison is unsigned.
-      case kCondBE:
-        __ orrs(IP, left_low, ShifterOperand(left_high));
-        return ret;
-      case kCondLT:
-      case kCondGE:
-        __ cmp(left_high, ShifterOperand(0));
-        return std::make_pair(ARMCondition(cond), ARMCondition(opposite));
-      // Trivially true or false.
-      case kCondB:
-        ret = std::make_pair(NE, EQ);
-        FALLTHROUGH_INTENDED;
-      case kCondAE:
-        __ cmp(left_low, ShifterOperand(left_low));
-        return ret;
-      default:
-        break;
-    }
-  }
-
-  switch (cond) {
-    case kCondEQ:
-    case kCondNE:
-    case kCondB:
-    case kCondBE:
-    case kCondA:
-    case kCondAE:
-      __ CmpConstant(left_high, High32Bits(value));
-      __ it(EQ);
-      __ cmp(left_low, ShifterOperand(Low32Bits(value)), EQ);
-      ret = std::make_pair(ARMUnsignedCondition(cond), ARMUnsignedCondition(opposite));
-      break;
-    case kCondLE:
-    case kCondGT:
-      // Trivially true or false.
-      if (value == std::numeric_limits<int64_t>::max()) {
-        __ cmp(left_low, ShifterOperand(left_low));
-        ret = cond == kCondLE ? std::make_pair(EQ, NE) : std::make_pair(NE, EQ);
-        break;
-      }
-
-      if (cond == kCondLE) {
-        DCHECK_EQ(opposite, kCondGT);
-        cond = kCondLT;
-        opposite = kCondGE;
-      } else {
-        DCHECK_EQ(cond, kCondGT);
-        DCHECK_EQ(opposite, kCondLE);
-        cond = kCondGE;
-        opposite = kCondLT;
-      }
-
-      value++;
-      FALLTHROUGH_INTENDED;
-    case kCondGE:
-    case kCondLT:
-      __ CmpConstant(left_low, Low32Bits(value));
-      __ sbcs(IP, left_high, ShifterOperand(High32Bits(value)));
-      ret = std::make_pair(ARMCondition(cond), ARMCondition(opposite));
-      break;
-    default:
-      LOG(FATAL) << "Unreachable";
-      UNREACHABLE();
-  }
-
-  return ret;
-}
-
-static std::pair<Condition, Condition> GenerateLongTest(HCondition* condition,
-                                                        bool invert,
-                                                        CodeGeneratorARM* codegen) {
-  DCHECK_EQ(condition->GetLeft()->GetType(), Primitive::kPrimLong);
-
-  const LocationSummary* const locations = condition->GetLocations();
-  IfCondition cond = condition->GetCondition();
-  IfCondition opposite = condition->GetOppositeCondition();
-
-  if (invert) {
-    std::swap(cond, opposite);
-  }
-
-  std::pair<Condition, Condition> ret;
-  Location left = locations->InAt(0);
-  Location right = locations->InAt(1);
-
-  DCHECK(right.IsRegisterPair());
-
-  switch (cond) {
-    case kCondEQ:
-    case kCondNE:
-    case kCondB:
-    case kCondBE:
-    case kCondA:
-    case kCondAE:
-      __ cmp(left.AsRegisterPairHigh<Register>(),
-             ShifterOperand(right.AsRegisterPairHigh<Register>()));
-      __ it(EQ);
-      __ cmp(left.AsRegisterPairLow<Register>(),
-             ShifterOperand(right.AsRegisterPairLow<Register>()),
-             EQ);
-      ret = std::make_pair(ARMUnsignedCondition(cond), ARMUnsignedCondition(opposite));
-      break;
-    case kCondLE:
-    case kCondGT:
-      if (cond == kCondLE) {
-        DCHECK_EQ(opposite, kCondGT);
-        cond = kCondGE;
-        opposite = kCondLT;
-      } else {
-        DCHECK_EQ(cond, kCondGT);
-        DCHECK_EQ(opposite, kCondLE);
-        cond = kCondLT;
-        opposite = kCondGE;
-      }
-
-      std::swap(left, right);
-      FALLTHROUGH_INTENDED;
-    case kCondGE:
-    case kCondLT:
-      __ cmp(left.AsRegisterPairLow<Register>(),
-             ShifterOperand(right.AsRegisterPairLow<Register>()));
-      __ sbcs(IP,
-              left.AsRegisterPairHigh<Register>(),
-              ShifterOperand(right.AsRegisterPairHigh<Register>()));
-      ret = std::make_pair(ARMCondition(cond), ARMCondition(opposite));
-      break;
-    default:
-      LOG(FATAL) << "Unreachable";
-      UNREACHABLE();
-  }
-
-  return ret;
-}
-
-static std::pair<Condition, Condition> GenerateTest(HCondition* condition,
-                                                    bool invert,
-                                                    CodeGeneratorARM* codegen) {
-  const LocationSummary* const locations = condition->GetLocations();
-  const Primitive::Type type = condition->GetLeft()->GetType();
-  IfCondition cond = condition->GetCondition();
-  IfCondition opposite = condition->GetOppositeCondition();
-  std::pair<Condition, Condition> ret;
-  const Location right = locations->InAt(1);
-
-  if (invert) {
-    std::swap(cond, opposite);
-  }
-
-  if (type == Primitive::kPrimLong) {
-    ret = locations->InAt(1).IsConstant()
-        ? GenerateLongTestConstant(condition, invert, codegen)
-        : GenerateLongTest(condition, invert, codegen);
-  } else if (Primitive::IsFloatingPointType(type)) {
-    GenerateVcmp(condition, codegen);
-    __ vmstat();
-    ret = std::make_pair(ARMFPCondition(cond, condition->IsGtBias()),
-                         ARMFPCondition(opposite, condition->IsGtBias()));
-  } else {
-    DCHECK(Primitive::IsIntegralType(type) || type == Primitive::kPrimNot) << type;
-
-    const Register left = locations->InAt(0).AsRegister<Register>();
-
-    if (right.IsRegister()) {
-      __ cmp(left, ShifterOperand(right.AsRegister<Register>()));
-    } else {
-      DCHECK(right.IsConstant());
-      __ CmpConstant(left, CodeGenerator::GetInt32ValueOf(right.GetConstant()));
-    }
-
-    ret = std::make_pair(ARMCondition(cond), ARMCondition(opposite));
-  }
-
-  return ret;
-}
-
-static bool CanGenerateTest(HCondition* condition, ArmAssembler* assembler) {
-  if (condition->GetLeft()->GetType() == Primitive::kPrimLong) {
-    const LocationSummary* const locations = condition->GetLocations();
-
-    if (locations->InAt(1).IsConstant()) {
-      IfCondition c = condition->GetCondition();
-      IfCondition opposite = condition->GetOppositeCondition();
-      const int64_t value = AdjustConstantForCondition(
-          Int64FromConstant(locations->InAt(1).GetConstant()),
-          &c,
-          &opposite);
-      ShifterOperand so;
-
-      if (c < kCondLT || c > kCondGE) {
-        // Since IT blocks longer than a 16-bit instruction are deprecated by ARMv8,
-        // we check that the least significant half of the first input to be compared
-        // is in a low register (the other half is read outside an IT block), and
-        // the constant fits in an 8-bit unsigned integer, so that a 16-bit CMP
-        // encoding can be used; 0 is always handled, no matter what registers are
-        // used by the first input.
-        if (value != 0 &&
-            (!ArmAssembler::IsLowRegister(locations->InAt(0).AsRegisterPairLow<Register>()) ||
-             !IsUint<8>(Low32Bits(value)))) {
-          return false;
-        }
-      } else if (c == kCondLE || c == kCondGT) {
-        if (value < std::numeric_limits<int64_t>::max() &&
-            !assembler->ShifterOperandCanHold(kNoRegister,
-                                              kNoRegister,
-                                              SBC,
-                                              High32Bits(value + 1),
-                                              kCcSet,
-                                              &so)) {
-          return false;
-        }
-      } else if (!assembler->ShifterOperandCanHold(kNoRegister,
-                                                   kNoRegister,
-                                                   SBC,
-                                                   High32Bits(value),
-                                                   kCcSet,
-                                                   &so)) {
-        return false;
-      }
-    }
-  }
-
-  return true;
-}
-
-static void GenerateConditionGeneric(HCondition* cond, CodeGeneratorARM* codegen) {
-  DCHECK(CanGenerateTest(cond, codegen->GetAssembler()));
-
-  const Register out = cond->GetLocations()->Out().AsRegister<Register>();
-  const auto condition = GenerateTest(cond, false, codegen);
-
-  __ mov(out, ShifterOperand(0), AL, kCcKeep);
-
-  if (ArmAssembler::IsLowRegister(out)) {
-    __ it(condition.first);
-    __ mov(out, ShifterOperand(1), condition.first);
-  } else {
-    Label done_label;
-    Label* const final_label = codegen->GetFinalLabel(cond, &done_label);
-
-    __ b(final_label, condition.second);
-    __ LoadImmediate(out, 1);
-
-    if (done_label.IsLinked()) {
-      __ Bind(&done_label);
-    }
-  }
-}
-
-static void GenerateEqualLong(HCondition* cond, CodeGeneratorARM* codegen) {
-  DCHECK_EQ(cond->GetLeft()->GetType(), Primitive::kPrimLong);
-
-  const LocationSummary* const locations = cond->GetLocations();
-  IfCondition condition = cond->GetCondition();
-  const Register out = locations->Out().AsRegister<Register>();
-  const Location left = locations->InAt(0);
-  const Location right = locations->InAt(1);
-  Register left_high = left.AsRegisterPairHigh<Register>();
-  Register left_low = left.AsRegisterPairLow<Register>();
-
-  if (right.IsConstant()) {
-    IfCondition opposite = cond->GetOppositeCondition();
-    const int64_t value = AdjustConstantForCondition(Int64FromConstant(right.GetConstant()),
-                                                     &condition,
-                                                     &opposite);
-    int32_t value_high = -High32Bits(value);
-    int32_t value_low = -Low32Bits(value);
-
-    // The output uses Location::kNoOutputOverlap.
-    if (out == left_high) {
-      std::swap(left_low, left_high);
-      std::swap(value_low, value_high);
-    }
-
-    __ AddConstant(out, left_low, value_low);
-    __ AddConstant(IP, left_high, value_high);
-  } else {
-    DCHECK(right.IsRegisterPair());
-    __ sub(IP, left_high, ShifterOperand(right.AsRegisterPairHigh<Register>()));
-    __ sub(out, left_low, ShifterOperand(right.AsRegisterPairLow<Register>()));
-  }
-
-  // Need to check after calling AdjustConstantForCondition().
-  DCHECK(condition == kCondEQ || condition == kCondNE) << condition;
-
-  if (condition == kCondNE && ArmAssembler::IsLowRegister(out)) {
-    __ orrs(out, out, ShifterOperand(IP));
-    __ it(NE);
-    __ mov(out, ShifterOperand(1), NE);
-  } else {
-    __ orr(out, out, ShifterOperand(IP));
-    codegen->GenerateConditionWithZero(condition, out, out, IP);
-  }
-}
-
-static void GenerateLongComparesAndJumps(HCondition* cond,
-                                         Label* true_label,
-                                         Label* false_label,
-                                         CodeGeneratorARM* codegen) {
-  LocationSummary* locations = cond->GetLocations();
-  Location left = locations->InAt(0);
-  Location right = locations->InAt(1);
-  IfCondition if_cond = cond->GetCondition();
-
-  Register left_high = left.AsRegisterPairHigh<Register>();
-  Register left_low = left.AsRegisterPairLow<Register>();
-  IfCondition true_high_cond = if_cond;
-  IfCondition false_high_cond = cond->GetOppositeCondition();
-  Condition final_condition = ARMUnsignedCondition(if_cond);  // unsigned on lower part
-
-  // Set the conditions for the test, remembering that == needs to be
-  // decided using the low words.
-  switch (if_cond) {
-    case kCondEQ:
-    case kCondNE:
-      // Nothing to do.
-      break;
-    case kCondLT:
-      false_high_cond = kCondGT;
-      break;
-    case kCondLE:
-      true_high_cond = kCondLT;
-      break;
-    case kCondGT:
-      false_high_cond = kCondLT;
-      break;
-    case kCondGE:
-      true_high_cond = kCondGT;
-      break;
-    case kCondB:
-      false_high_cond = kCondA;
-      break;
-    case kCondBE:
-      true_high_cond = kCondB;
-      break;
-    case kCondA:
-      false_high_cond = kCondB;
-      break;
-    case kCondAE:
-      true_high_cond = kCondA;
-      break;
-  }
-  if (right.IsConstant()) {
-    int64_t value = right.GetConstant()->AsLongConstant()->GetValue();
-    int32_t val_low = Low32Bits(value);
-    int32_t val_high = High32Bits(value);
-
-    __ CmpConstant(left_high, val_high);
-    if (if_cond == kCondNE) {
-      __ b(true_label, ARMCondition(true_high_cond));
-    } else if (if_cond == kCondEQ) {
-      __ b(false_label, ARMCondition(false_high_cond));
-    } else {
-      __ b(true_label, ARMCondition(true_high_cond));
-      __ b(false_label, ARMCondition(false_high_cond));
-    }
-    // Must be equal high, so compare the lows.
-    __ CmpConstant(left_low, val_low);
-  } else {
-    Register right_high = right.AsRegisterPairHigh<Register>();
-    Register right_low = right.AsRegisterPairLow<Register>();
-
-    __ cmp(left_high, ShifterOperand(right_high));
-    if (if_cond == kCondNE) {
-      __ b(true_label, ARMCondition(true_high_cond));
-    } else if (if_cond == kCondEQ) {
-      __ b(false_label, ARMCondition(false_high_cond));
-    } else {
-      __ b(true_label, ARMCondition(true_high_cond));
-      __ b(false_label, ARMCondition(false_high_cond));
-    }
-    // Must be equal high, so compare the lows.
-    __ cmp(left_low, ShifterOperand(right_low));
-  }
-  // The last comparison might be unsigned.
-  // TODO: optimize cases where this is always true/false
-  __ b(true_label, final_condition);
-}
-
-static void GenerateConditionLong(HCondition* cond, CodeGeneratorARM* codegen) {
-  DCHECK_EQ(cond->GetLeft()->GetType(), Primitive::kPrimLong);
-
-  const LocationSummary* const locations = cond->GetLocations();
-  IfCondition condition = cond->GetCondition();
-  const Register out = locations->Out().AsRegister<Register>();
-  const Location left = locations->InAt(0);
-  const Location right = locations->InAt(1);
-
-  if (right.IsConstant()) {
-    IfCondition opposite = cond->GetOppositeCondition();
-
-    // Comparisons against 0 are common enough to deserve special attention.
-    if (AdjustConstantForCondition(Int64FromConstant(right.GetConstant()),
-                                   &condition,
-                                   &opposite) == 0) {
-      switch (condition) {
-        case kCondNE:
-        case kCondA:
-          if (ArmAssembler::IsLowRegister(out)) {
-            // We only care if both input registers are 0 or not.
-            __ orrs(out,
-                    left.AsRegisterPairLow<Register>(),
-                    ShifterOperand(left.AsRegisterPairHigh<Register>()));
-            __ it(NE);
-            __ mov(out, ShifterOperand(1), NE);
-            return;
-          }
-
-          FALLTHROUGH_INTENDED;
-        case kCondEQ:
-        case kCondBE:
-          // We only care if both input registers are 0 or not.
-          __ orr(out,
-                 left.AsRegisterPairLow<Register>(),
-                 ShifterOperand(left.AsRegisterPairHigh<Register>()));
-          codegen->GenerateConditionWithZero(condition, out, out);
-          return;
-        case kCondLT:
-        case kCondGE:
-          // We only care about the sign bit.
-          FALLTHROUGH_INTENDED;
-        case kCondAE:
-        case kCondB:
-          codegen->GenerateConditionWithZero(condition, out, left.AsRegisterPairHigh<Register>());
-          return;
-        case kCondLE:
-        case kCondGT:
-        default:
-          break;
-      }
-    }
-  }
-
-  if ((condition == kCondEQ || condition == kCondNE) &&
-      // If `out` is a low register, then the GenerateConditionGeneric()
-      // function generates a shorter code sequence that is still branchless.
-      (!ArmAssembler::IsLowRegister(out) || !CanGenerateTest(cond, codegen->GetAssembler()))) {
-    GenerateEqualLong(cond, codegen);
-    return;
-  }
-
-  if (CanGenerateTest(cond, codegen->GetAssembler())) {
-    GenerateConditionGeneric(cond, codegen);
-    return;
-  }
-
-  // Convert the jumps into the result.
-  Label done_label;
-  Label* const final_label = codegen->GetFinalLabel(cond, &done_label);
-  Label true_label, false_label;
-
-  GenerateLongComparesAndJumps(cond, &true_label, &false_label, codegen);
-
-  // False case: result = 0.
-  __ Bind(&false_label);
-  __ mov(out, ShifterOperand(0));
-  __ b(final_label);
-
-  // True case: result = 1.
-  __ Bind(&true_label);
-  __ mov(out, ShifterOperand(1));
-
-  if (done_label.IsLinked()) {
-    __ Bind(&done_label);
-  }
-}
-
-static void GenerateConditionIntegralOrNonPrimitive(HCondition* cond, CodeGeneratorARM* codegen) {
-  const Primitive::Type type = cond->GetLeft()->GetType();
-
-  DCHECK(Primitive::IsIntegralType(type) || type == Primitive::kPrimNot) << type;
-
-  if (type == Primitive::kPrimLong) {
-    GenerateConditionLong(cond, codegen);
-    return;
-  }
-
-  const LocationSummary* const locations = cond->GetLocations();
-  IfCondition condition = cond->GetCondition();
-  Register in = locations->InAt(0).AsRegister<Register>();
-  const Register out = locations->Out().AsRegister<Register>();
-  const Location right = cond->GetLocations()->InAt(1);
-  int64_t value;
-
-  if (right.IsConstant()) {
-    IfCondition opposite = cond->GetOppositeCondition();
-
-    value = AdjustConstantForCondition(Int64FromConstant(right.GetConstant()),
-                                       &condition,
-                                       &opposite);
-
-    // Comparisons against 0 are common enough to deserve special attention.
-    if (value == 0) {
-      switch (condition) {
-        case kCondNE:
-        case kCondA:
-          if (ArmAssembler::IsLowRegister(out) && out == in) {
-            __ cmp(out, ShifterOperand(0));
-            __ it(NE);
-            __ mov(out, ShifterOperand(1), NE);
-            return;
-          }
-
-          FALLTHROUGH_INTENDED;
-        case kCondEQ:
-        case kCondBE:
-        case kCondLT:
-        case kCondGE:
-        case kCondAE:
-        case kCondB:
-          codegen->GenerateConditionWithZero(condition, out, in);
-          return;
-        case kCondLE:
-        case kCondGT:
-        default:
-          break;
-      }
-    }
-  }
-
-  if (condition == kCondEQ || condition == kCondNE) {
-    ShifterOperand operand;
-
-    if (right.IsConstant()) {
-      operand = ShifterOperand(value);
-    } else if (out == right.AsRegister<Register>()) {
-      // Avoid 32-bit instructions if possible.
-      operand = ShifterOperand(in);
-      in = right.AsRegister<Register>();
-    } else {
-      operand = ShifterOperand(right.AsRegister<Register>());
-    }
-
-    if (condition == kCondNE && ArmAssembler::IsLowRegister(out)) {
-      __ subs(out, in, operand);
-      __ it(NE);
-      __ mov(out, ShifterOperand(1), NE);
-    } else {
-      __ sub(out, in, operand);
-      codegen->GenerateConditionWithZero(condition, out, out);
-    }
-
-    return;
-  }
-
-  GenerateConditionGeneric(cond, codegen);
-}
-
-static bool CanEncodeConstantAs8BitImmediate(HConstant* constant) {
-  const Primitive::Type type = constant->GetType();
-  bool ret = false;
-
-  DCHECK(Primitive::IsIntegralType(type) || type == Primitive::kPrimNot) << type;
-
-  if (type == Primitive::kPrimLong) {
-    const uint64_t value = constant->AsLongConstant()->GetValueAsUint64();
-
-    ret = IsUint<8>(Low32Bits(value)) && IsUint<8>(High32Bits(value));
-  } else {
-    ret = IsUint<8>(CodeGenerator::GetInt32ValueOf(constant));
-  }
-
-  return ret;
-}
-
-static Location Arm8BitEncodableConstantOrRegister(HInstruction* constant) {
-  DCHECK(!Primitive::IsFloatingPointType(constant->GetType()));
-
-  if (constant->IsConstant() && CanEncodeConstantAs8BitImmediate(constant->AsConstant())) {
-    return Location::ConstantLocation(constant->AsConstant());
-  }
-
-  return Location::RequiresRegister();
-}
-
-static bool CanGenerateConditionalMove(const Location& out, const Location& src) {
-  // Since IT blocks longer than a 16-bit instruction are deprecated by ARMv8,
-  // we check that we are not dealing with floating-point output (there is no
-  // 16-bit VMOV encoding).
-  if (!out.IsRegister() && !out.IsRegisterPair()) {
-    return false;
-  }
-
-  // For constants, we also check that the output is in one or two low registers,
-  // and that the constants fit in an 8-bit unsigned integer, so that a 16-bit
-  // MOV encoding can be used.
-  if (src.IsConstant()) {
-    if (!CanEncodeConstantAs8BitImmediate(src.GetConstant())) {
-      return false;
-    }
-
-    if (out.IsRegister()) {
-      if (!ArmAssembler::IsLowRegister(out.AsRegister<Register>())) {
-        return false;
-      }
-    } else {
-      DCHECK(out.IsRegisterPair());
-
-      if (!ArmAssembler::IsLowRegister(out.AsRegisterPairHigh<Register>())) {
-        return false;
-      }
-    }
-  }
-
-  return true;
-}
-
-#undef __
-// NOLINT on __ macro to suppress wrong warning/fix (misc-macro-parentheses) from clang-tidy.
-#define __ down_cast<ArmAssembler*>(GetAssembler())->  // NOLINT
-
-Label* CodeGeneratorARM::GetFinalLabel(HInstruction* instruction, Label* final_label) {
-  DCHECK(!instruction->IsControlFlow() && !instruction->IsSuspendCheck());
-  DCHECK(!instruction->IsInvoke() || !instruction->GetLocations()->CanCall());
-
-  const HBasicBlock* const block = instruction->GetBlock();
-  const HLoopInformation* const info = block->GetLoopInformation();
-  HInstruction* const next = instruction->GetNext();
-
-  // Avoid a branch to a branch.
-  if (next->IsGoto() && (info == nullptr ||
-                         !info->IsBackEdge(*block) ||
-                         !info->HasSuspendCheck())) {
-    final_label = GetLabelOf(next->AsGoto()->GetSuccessor());
-  }
-
-  return final_label;
-}
-
-void CodeGeneratorARM::DumpCoreRegister(std::ostream& stream, int reg) const {
-  stream << Register(reg);
-}
-
-void CodeGeneratorARM::DumpFloatingPointRegister(std::ostream& stream, int reg) const {
-  stream << SRegister(reg);
-}
-
-size_t CodeGeneratorARM::SaveCoreRegister(size_t stack_index, uint32_t reg_id) {
-  __ StoreToOffset(kStoreWord, static_cast<Register>(reg_id), SP, stack_index);
-  return kArmWordSize;
-}
-
-size_t CodeGeneratorARM::RestoreCoreRegister(size_t stack_index, uint32_t reg_id) {
-  __ LoadFromOffset(kLoadWord, static_cast<Register>(reg_id), SP, stack_index);
-  return kArmWordSize;
-}
-
-size_t CodeGeneratorARM::SaveFloatingPointRegister(size_t stack_index, uint32_t reg_id) {
-  __ StoreSToOffset(static_cast<SRegister>(reg_id), SP, stack_index);
-  return kArmWordSize;
-}
-
-size_t CodeGeneratorARM::RestoreFloatingPointRegister(size_t stack_index, uint32_t reg_id) {
-  __ LoadSFromOffset(static_cast<SRegister>(reg_id), SP, stack_index);
-  return kArmWordSize;
-}
-
-CodeGeneratorARM::CodeGeneratorARM(HGraph* graph,
-                                   const ArmInstructionSetFeatures& isa_features,
-                                   const CompilerOptions& compiler_options,
-                                   OptimizingCompilerStats* stats)
-    : CodeGenerator(graph,
-                    kNumberOfCoreRegisters,
-                    kNumberOfSRegisters,
-                    kNumberOfRegisterPairs,
-                    ComputeRegisterMask(reinterpret_cast<const int*>(kCoreCalleeSaves),
-                                        arraysize(kCoreCalleeSaves)),
-                    ComputeRegisterMask(reinterpret_cast<const int*>(kFpuCalleeSaves),
-                                        arraysize(kFpuCalleeSaves)),
-                    compiler_options,
-                    stats),
-      block_labels_(nullptr),
-      location_builder_(graph, this),
-      instruction_visitor_(graph, this),
-      move_resolver_(graph->GetArena(), this),
-      assembler_(graph->GetArena()),
-      isa_features_(isa_features),
-      uint32_literals_(std::less<uint32_t>(),
-                       graph->GetArena()->Adapter(kArenaAllocCodeGenerator)),
-      pc_relative_method_patches_(graph->GetArena()->Adapter(kArenaAllocCodeGenerator)),
-      method_bss_entry_patches_(graph->GetArena()->Adapter(kArenaAllocCodeGenerator)),
-      pc_relative_type_patches_(graph->GetArena()->Adapter(kArenaAllocCodeGenerator)),
-      type_bss_entry_patches_(graph->GetArena()->Adapter(kArenaAllocCodeGenerator)),
-      pc_relative_string_patches_(graph->GetArena()->Adapter(kArenaAllocCodeGenerator)),
-      baker_read_barrier_patches_(graph->GetArena()->Adapter(kArenaAllocCodeGenerator)),
-      jit_string_patches_(StringReferenceValueComparator(),
-                          graph->GetArena()->Adapter(kArenaAllocCodeGenerator)),
-      jit_class_patches_(TypeReferenceValueComparator(),
-                         graph->GetArena()->Adapter(kArenaAllocCodeGenerator)) {
-  // Always save the LR register to mimic Quick.
-  AddAllocatedRegister(Location::RegisterLocation(LR));
-}
-
-void CodeGeneratorARM::Finalize(CodeAllocator* allocator) {
-  // Ensure that we fix up branches and literal loads and emit the literal pool.
-  __ FinalizeCode();
-
-  // Adjust native pc offsets in stack maps.
-  for (size_t i = 0, num = stack_map_stream_.GetNumberOfStackMaps(); i != num; ++i) {
-    uint32_t old_position =
-        stack_map_stream_.GetStackMap(i).native_pc_code_offset.Uint32Value(kThumb2);
-    uint32_t new_position = __ GetAdjustedPosition(old_position);
-    stack_map_stream_.SetStackMapNativePcOffset(i, new_position);
-  }
-  // Adjust pc offsets for the disassembly information.
-  if (disasm_info_ != nullptr) {
-    GeneratedCodeInterval* frame_entry_interval = disasm_info_->GetFrameEntryInterval();
-    frame_entry_interval->start = __ GetAdjustedPosition(frame_entry_interval->start);
-    frame_entry_interval->end = __ GetAdjustedPosition(frame_entry_interval->end);
-    for (auto& it : *disasm_info_->GetInstructionIntervals()) {
-      it.second.start = __ GetAdjustedPosition(it.second.start);
-      it.second.end = __ GetAdjustedPosition(it.second.end);
-    }
-    for (auto& it : *disasm_info_->GetSlowPathIntervals()) {
-      it.code_interval.start = __ GetAdjustedPosition(it.code_interval.start);
-      it.code_interval.end = __ GetAdjustedPosition(it.code_interval.end);
-    }
-  }
-
-  CodeGenerator::Finalize(allocator);
-}
-
-void CodeGeneratorARM::SetupBlockedRegisters() const {
-  // Stack register, LR and PC are always reserved.
-  blocked_core_registers_[SP] = true;
-  blocked_core_registers_[LR] = true;
-  blocked_core_registers_[PC] = true;
-
-  // Reserve thread register.
-  blocked_core_registers_[TR] = true;
-
-  // Reserve temp register.
-  blocked_core_registers_[IP] = true;
-
-  if (GetGraph()->IsDebuggable()) {
-    // Stubs do not save callee-save floating point registers. If the graph
-    // is debuggable, we need to deal with these registers differently. For
-    // now, just block them.
-    for (size_t i = 0; i < arraysize(kFpuCalleeSaves); ++i) {
-      blocked_fpu_registers_[kFpuCalleeSaves[i]] = true;
-    }
-  }
-}
-
-InstructionCodeGeneratorARM::InstructionCodeGeneratorARM(HGraph* graph, CodeGeneratorARM* codegen)
-      : InstructionCodeGenerator(graph, codegen),
-        assembler_(codegen->GetAssembler()),
-        codegen_(codegen) {}
-
-void CodeGeneratorARM::ComputeSpillMask() {
-  core_spill_mask_ = allocated_registers_.GetCoreRegisters() & core_callee_save_mask_;
-  DCHECK_NE(core_spill_mask_, 0u) << "At least the return address register must be saved";
-  // There is no easy instruction to restore just the PC on thumb2. We spill and
-  // restore another arbitrary register.
-  core_spill_mask_ |= (1 << kCoreAlwaysSpillRegister);
-  fpu_spill_mask_ = allocated_registers_.GetFloatingPointRegisters() & fpu_callee_save_mask_;
-  // We use vpush and vpop for saving and restoring floating point registers, which take
-  // a SRegister and the number of registers to save/restore after that SRegister. We
-  // therefore update the `fpu_spill_mask_` to also contain those registers not allocated,
-  // but in the range.
-  if (fpu_spill_mask_ != 0) {
-    uint32_t least_significant_bit = LeastSignificantBit(fpu_spill_mask_);
-    uint32_t most_significant_bit = MostSignificantBit(fpu_spill_mask_);
-    for (uint32_t i = least_significant_bit + 1 ; i < most_significant_bit; ++i) {
-      fpu_spill_mask_ |= (1 << i);
-    }
-  }
-}
-
-static dwarf::Reg DWARFReg(Register reg) {
-  return dwarf::Reg::ArmCore(static_cast<int>(reg));
-}
-
-static dwarf::Reg DWARFReg(SRegister reg) {
-  return dwarf::Reg::ArmFp(static_cast<int>(reg));
-}
-
-void CodeGeneratorARM::GenerateFrameEntry() {
-  bool skip_overflow_check =
-      IsLeafMethod() && !FrameNeedsStackCheck(GetFrameSize(), InstructionSet::kArm);
-  DCHECK(GetCompilerOptions().GetImplicitStackOverflowChecks());
-  __ Bind(&frame_entry_label_);
-
-  if (HasEmptyFrame()) {
-    return;
-  }
-
-  if (!skip_overflow_check) {
-    __ AddConstant(IP, SP, -static_cast<int32_t>(GetStackOverflowReservedBytes(kArm)));
-    __ LoadFromOffset(kLoadWord, IP, IP, 0);
-    RecordPcInfo(nullptr, 0);
-  }
-
-  __ PushList(core_spill_mask_);
-  __ cfi().AdjustCFAOffset(kArmWordSize * POPCOUNT(core_spill_mask_));
-  __ cfi().RelOffsetForMany(DWARFReg(kMethodRegisterArgument), 0, core_spill_mask_, kArmWordSize);
-  if (fpu_spill_mask_ != 0) {
-    SRegister start_register = SRegister(LeastSignificantBit(fpu_spill_mask_));
-    __ vpushs(start_register, POPCOUNT(fpu_spill_mask_));
-    __ cfi().AdjustCFAOffset(kArmWordSize * POPCOUNT(fpu_spill_mask_));
-    __ cfi().RelOffsetForMany(DWARFReg(S0), 0, fpu_spill_mask_, kArmWordSize);
-  }
-
-  int adjust = GetFrameSize() - FrameEntrySpillSize();
-  __ AddConstant(SP, -adjust);
-  __ cfi().AdjustCFAOffset(adjust);
-
-  // Save the current method if we need it. Note that we do not
-  // do this in HCurrentMethod, as the instruction might have been removed
-  // in the SSA graph.
-  if (RequiresCurrentMethod()) {
-    __ StoreToOffset(kStoreWord, kMethodRegisterArgument, SP, 0);
-  }
-
-  if (GetGraph()->HasShouldDeoptimizeFlag()) {
-    // Initialize should_deoptimize flag to 0.
-    __ mov(IP, ShifterOperand(0));
-    __ StoreToOffset(kStoreWord, IP, SP, GetStackOffsetOfShouldDeoptimizeFlag());
-  }
-}
-
-void CodeGeneratorARM::GenerateFrameExit() {
-  if (HasEmptyFrame()) {
-    __ bx(LR);
-    return;
-  }
-  __ cfi().RememberState();
-  int adjust = GetFrameSize() - FrameEntrySpillSize();
-  __ AddConstant(SP, adjust);
-  __ cfi().AdjustCFAOffset(-adjust);
-  if (fpu_spill_mask_ != 0) {
-    SRegister start_register = SRegister(LeastSignificantBit(fpu_spill_mask_));
-    __ vpops(start_register, POPCOUNT(fpu_spill_mask_));
-    __ cfi().AdjustCFAOffset(-static_cast<int>(kArmPointerSize) * POPCOUNT(fpu_spill_mask_));
-    __ cfi().RestoreMany(DWARFReg(SRegister(0)), fpu_spill_mask_);
-  }
-  // Pop LR into PC to return.
-  DCHECK_NE(core_spill_mask_ & (1 << LR), 0U);
-  uint32_t pop_mask = (core_spill_mask_ & (~(1 << LR))) | 1 << PC;
-  __ PopList(pop_mask);
-  __ cfi().RestoreState();
-  __ cfi().DefCFAOffset(GetFrameSize());
-}
-
-void CodeGeneratorARM::Bind(HBasicBlock* block) {
-  Label* label = GetLabelOf(block);
-  __ BindTrackedLabel(label);
-}
-
-Location InvokeDexCallingConventionVisitorARM::GetNextLocation(Primitive::Type type) {
-  switch (type) {
-    case Primitive::kPrimBoolean:
-    case Primitive::kPrimByte:
-    case Primitive::kPrimChar:
-    case Primitive::kPrimShort:
-    case Primitive::kPrimInt:
-    case Primitive::kPrimNot: {
-      uint32_t index = gp_index_++;
-      uint32_t stack_index = stack_index_++;
-      if (index < calling_convention.GetNumberOfRegisters()) {
-        return Location::RegisterLocation(calling_convention.GetRegisterAt(index));
-      } else {
-        return Location::StackSlot(calling_convention.GetStackOffsetOf(stack_index));
-      }
-    }
-
-    case Primitive::kPrimLong: {
-      uint32_t index = gp_index_;
-      uint32_t stack_index = stack_index_;
-      gp_index_ += 2;
-      stack_index_ += 2;
-      if (index + 1 < calling_convention.GetNumberOfRegisters()) {
-        if (calling_convention.GetRegisterAt(index) == R1) {
-          // Skip R1, and use R2_R3 instead.
-          gp_index_++;
-          index++;
-        }
-      }
-      if (index + 1 < calling_convention.GetNumberOfRegisters()) {
-        DCHECK_EQ(calling_convention.GetRegisterAt(index) + 1,
-                  calling_convention.GetRegisterAt(index + 1));
-
-        return Location::RegisterPairLocation(calling_convention.GetRegisterAt(index),
-                                              calling_convention.GetRegisterAt(index + 1));
-      } else {
-        return Location::DoubleStackSlot(calling_convention.GetStackOffsetOf(stack_index));
-      }
-    }
-
-    case Primitive::kPrimFloat: {
-      uint32_t stack_index = stack_index_++;
-      if (float_index_ % 2 == 0) {
-        float_index_ = std::max(double_index_, float_index_);
-      }
-      if (float_index_ < calling_convention.GetNumberOfFpuRegisters()) {
-        return Location::FpuRegisterLocation(calling_convention.GetFpuRegisterAt(float_index_++));
-      } else {
-        return Location::StackSlot(calling_convention.GetStackOffsetOf(stack_index));
-      }
-    }
-
-    case Primitive::kPrimDouble: {
-      double_index_ = std::max(double_index_, RoundUp(float_index_, 2));
-      uint32_t stack_index = stack_index_;
-      stack_index_ += 2;
-      if (double_index_ + 1 < calling_convention.GetNumberOfFpuRegisters()) {
-        uint32_t index = double_index_;
-        double_index_ += 2;
-        Location result = Location::FpuRegisterPairLocation(
-          calling_convention.GetFpuRegisterAt(index),
-          calling_convention.GetFpuRegisterAt(index + 1));
-        DCHECK(ExpectedPairLayout(result));
-        return result;
-      } else {
-        return Location::DoubleStackSlot(calling_convention.GetStackOffsetOf(stack_index));
-      }
-    }
-
-    case Primitive::kPrimVoid:
-      LOG(FATAL) << "Unexpected parameter type " << type;
-      break;
-  }
-  return Location::NoLocation();
-}
-
-Location InvokeDexCallingConventionVisitorARM::GetReturnLocation(Primitive::Type type) const {
-  switch (type) {
-    case Primitive::kPrimBoolean:
-    case Primitive::kPrimByte:
-    case Primitive::kPrimChar:
-    case Primitive::kPrimShort:
-    case Primitive::kPrimInt:
-    case Primitive::kPrimNot: {
-      return Location::RegisterLocation(R0);
-    }
-
-    case Primitive::kPrimFloat: {
-      return Location::FpuRegisterLocation(S0);
-    }
-
-    case Primitive::kPrimLong: {
-      return Location::RegisterPairLocation(R0, R1);
-    }
-
-    case Primitive::kPrimDouble: {
-      return Location::FpuRegisterPairLocation(S0, S1);
-    }
-
-    case Primitive::kPrimVoid:
-      return Location::NoLocation();
-  }
-
-  UNREACHABLE();
-}
-
-Location InvokeDexCallingConventionVisitorARM::GetMethodLocation() const {
-  return Location::RegisterLocation(kMethodRegisterArgument);
-}
-
-void CodeGeneratorARM::Move32(Location destination, Location source) {
-  if (source.Equals(destination)) {
-    return;
-  }
-  if (destination.IsRegister()) {
-    if (source.IsRegister()) {
-      __ Mov(destination.AsRegister<Register>(), source.AsRegister<Register>());
-    } else if (source.IsFpuRegister()) {
-      __ vmovrs(destination.AsRegister<Register>(), source.AsFpuRegister<SRegister>());
-    } else {
-      __ LoadFromOffset(kLoadWord, destination.AsRegister<Register>(), SP, source.GetStackIndex());
-    }
-  } else if (destination.IsFpuRegister()) {
-    if (source.IsRegister()) {
-      __ vmovsr(destination.AsFpuRegister<SRegister>(), source.AsRegister<Register>());
-    } else if (source.IsFpuRegister()) {
-      __ vmovs(destination.AsFpuRegister<SRegister>(), source.AsFpuRegister<SRegister>());
-    } else {
-      __ LoadSFromOffset(destination.AsFpuRegister<SRegister>(), SP, source.GetStackIndex());
-    }
-  } else {
-    DCHECK(destination.IsStackSlot()) << destination;
-    if (source.IsRegister()) {
-      __ StoreToOffset(kStoreWord, source.AsRegister<Register>(), SP, destination.GetStackIndex());
-    } else if (source.IsFpuRegister()) {
-      __ StoreSToOffset(source.AsFpuRegister<SRegister>(), SP, destination.GetStackIndex());
-    } else {
-      DCHECK(source.IsStackSlot()) << source;
-      __ LoadFromOffset(kLoadWord, IP, SP, source.GetStackIndex());
-      __ StoreToOffset(kStoreWord, IP, SP, destination.GetStackIndex());
-    }
-  }
-}
-
-void CodeGeneratorARM::Move64(Location destination, Location source) {
-  if (source.Equals(destination)) {
-    return;
-  }
-  if (destination.IsRegisterPair()) {
-    if (source.IsRegisterPair()) {
-      EmitParallelMoves(
-          Location::RegisterLocation(source.AsRegisterPairHigh<Register>()),
-          Location::RegisterLocation(destination.AsRegisterPairHigh<Register>()),
-          Primitive::kPrimInt,
-          Location::RegisterLocation(source.AsRegisterPairLow<Register>()),
-          Location::RegisterLocation(destination.AsRegisterPairLow<Register>()),
-          Primitive::kPrimInt);
-    } else if (source.IsFpuRegister()) {
-      UNIMPLEMENTED(FATAL);
-    } else if (source.IsFpuRegisterPair()) {
-      __ vmovrrd(destination.AsRegisterPairLow<Register>(),
-                 destination.AsRegisterPairHigh<Register>(),
-                 FromLowSToD(source.AsFpuRegisterPairLow<SRegister>()));
-    } else {
-      DCHECK(source.IsDoubleStackSlot());
-      DCHECK(ExpectedPairLayout(destination));
-      __ LoadFromOffset(kLoadWordPair, destination.AsRegisterPairLow<Register>(),
-                        SP, source.GetStackIndex());
-    }
-  } else if (destination.IsFpuRegisterPair()) {
-    if (source.IsDoubleStackSlot()) {
-      __ LoadDFromOffset(FromLowSToD(destination.AsFpuRegisterPairLow<SRegister>()),
-                         SP,
-                         source.GetStackIndex());
-    } else if (source.IsRegisterPair()) {
-      __ vmovdrr(FromLowSToD(destination.AsFpuRegisterPairLow<SRegister>()),
-                 source.AsRegisterPairLow<Register>(),
-                 source.AsRegisterPairHigh<Register>());
-    } else {
-      UNIMPLEMENTED(FATAL);
-    }
-  } else {
-    DCHECK(destination.IsDoubleStackSlot());
-    if (source.IsRegisterPair()) {
-      // No conflict possible, so just do the moves.
-      if (source.AsRegisterPairLow<Register>() == R1) {
-        DCHECK_EQ(source.AsRegisterPairHigh<Register>(), R2);
-        __ StoreToOffset(kStoreWord, R1, SP, destination.GetStackIndex());
-        __ StoreToOffset(kStoreWord, R2, SP, destination.GetHighStackIndex(kArmWordSize));
-      } else {
-        __ StoreToOffset(kStoreWordPair, source.AsRegisterPairLow<Register>(),
-                         SP, destination.GetStackIndex());
-      }
-    } else if (source.IsFpuRegisterPair()) {
-      __ StoreDToOffset(FromLowSToD(source.AsFpuRegisterPairLow<SRegister>()),
-                        SP,
-                        destination.GetStackIndex());
-    } else {
-      DCHECK(source.IsDoubleStackSlot());
-      EmitParallelMoves(
-          Location::StackSlot(source.GetStackIndex()),
-          Location::StackSlot(destination.GetStackIndex()),
-          Primitive::kPrimInt,
-          Location::StackSlot(source.GetHighStackIndex(kArmWordSize)),
-          Location::StackSlot(destination.GetHighStackIndex(kArmWordSize)),
-          Primitive::kPrimInt);
-    }
-  }
-}
-
-void CodeGeneratorARM::MoveConstant(Location location, int32_t value) {
-  DCHECK(location.IsRegister());
-  __ LoadImmediate(location.AsRegister<Register>(), value);
-}
-
-void CodeGeneratorARM::MoveLocation(Location dst, Location src, Primitive::Type dst_type) {
-  HParallelMove move(GetGraph()->GetArena());
-  move.AddMove(src, dst, dst_type, nullptr);
-  GetMoveResolver()->EmitNativeCode(&move);
-}
-
-void CodeGeneratorARM::AddLocationAsTemp(Location location, LocationSummary* locations) {
-  if (location.IsRegister()) {
-    locations->AddTemp(location);
-  } else if (location.IsRegisterPair()) {
-    locations->AddTemp(Location::RegisterLocation(location.AsRegisterPairLow<Register>()));
-    locations->AddTemp(Location::RegisterLocation(location.AsRegisterPairHigh<Register>()));
-  } else {
-    UNIMPLEMENTED(FATAL) << "AddLocationAsTemp not implemented for location " << location;
-  }
-}
-
-void CodeGeneratorARM::InvokeRuntime(QuickEntrypointEnum entrypoint,
-                                     HInstruction* instruction,
-                                     uint32_t dex_pc,
-                                     SlowPathCode* slow_path) {
-  ValidateInvokeRuntime(entrypoint, instruction, slow_path);
-  GenerateInvokeRuntime(GetThreadOffset<kArmPointerSize>(entrypoint).Int32Value());
-  if (EntrypointRequiresStackMap(entrypoint)) {
-    RecordPcInfo(instruction, dex_pc, slow_path);
-  }
-}
-
-void CodeGeneratorARM::InvokeRuntimeWithoutRecordingPcInfo(int32_t entry_point_offset,
-                                                           HInstruction* instruction,
-                                                           SlowPathCode* slow_path) {
-  ValidateInvokeRuntimeWithoutRecordingPcInfo(instruction, slow_path);
-  GenerateInvokeRuntime(entry_point_offset);
-}
-
-void CodeGeneratorARM::GenerateInvokeRuntime(int32_t entry_point_offset) {
-  __ LoadFromOffset(kLoadWord, LR, TR, entry_point_offset);
-  __ blx(LR);
-}
-
-void InstructionCodeGeneratorARM::HandleGoto(HInstruction* got, HBasicBlock* successor) {
-  DCHECK(!successor->IsExitBlock());
-
-  HBasicBlock* block = got->GetBlock();
-  HInstruction* previous = got->GetPrevious();
-
-  HLoopInformation* info = block->GetLoopInformation();
-  if (info != nullptr && info->IsBackEdge(*block) && info->HasSuspendCheck()) {
-    codegen_->ClearSpillSlotsFromLoopPhisInStackMap(info->GetSuspendCheck());
-    GenerateSuspendCheck(info->GetSuspendCheck(), successor);
-    return;
-  }
-
-  if (block->IsEntryBlock() && (previous != nullptr) && previous->IsSuspendCheck()) {
-    GenerateSuspendCheck(previous->AsSuspendCheck(), nullptr);
-  }
-  if (!codegen_->GoesToNextBlock(got->GetBlock(), successor)) {
-    __ b(codegen_->GetLabelOf(successor));
-  }
-}
-
-void LocationsBuilderARM::VisitGoto(HGoto* got) {
-  got->SetLocations(nullptr);
-}
-
-void InstructionCodeGeneratorARM::VisitGoto(HGoto* got) {
-  HandleGoto(got, got->GetSuccessor());
-}
-
-void LocationsBuilderARM::VisitTryBoundary(HTryBoundary* try_boundary) {
-  try_boundary->SetLocations(nullptr);
-}
-
-void InstructionCodeGeneratorARM::VisitTryBoundary(HTryBoundary* try_boundary) {
-  HBasicBlock* successor = try_boundary->GetNormalFlowSuccessor();
-  if (!successor->IsExitBlock()) {
-    HandleGoto(try_boundary, successor);
-  }
-}
-
-void LocationsBuilderARM::VisitExit(HExit* exit) {
-  exit->SetLocations(nullptr);
-}
-
-void InstructionCodeGeneratorARM::VisitExit(HExit* exit ATTRIBUTE_UNUSED) {
-}
-
-void InstructionCodeGeneratorARM::GenerateCompareTestAndBranch(HCondition* condition,
-                                                               Label* true_target_in,
-                                                               Label* false_target_in) {
-  if (CanGenerateTest(condition, codegen_->GetAssembler())) {
-    Label* non_fallthrough_target;
-    bool invert;
-    bool emit_both_branches;
-
-    if (true_target_in == nullptr) {
-      // The true target is fallthrough.
-      DCHECK(false_target_in != nullptr);
-      non_fallthrough_target = false_target_in;
-      invert = true;
-      emit_both_branches = false;
-    } else {
-      // Either the false target is fallthrough, or there is no fallthrough
-      // and both branches must be emitted.
-      non_fallthrough_target = true_target_in;
-      invert = false;
-      emit_both_branches = (false_target_in != nullptr);
-    }
-
-    const auto cond = GenerateTest(condition, invert, codegen_);
-
-    __ b(non_fallthrough_target, cond.first);
-
-    if (emit_both_branches) {
-      // No target falls through, we need to branch.
-      __ b(false_target_in);
-    }
-
-    return;
-  }
-
-  // Generated branching requires both targets to be explicit. If either of the
-  // targets is nullptr (fallthrough) use and bind `fallthrough_target` instead.
-  Label fallthrough_target;
-  Label* true_target = true_target_in == nullptr ? &fallthrough_target : true_target_in;
-  Label* false_target = false_target_in == nullptr ? &fallthrough_target : false_target_in;
-
-  DCHECK_EQ(condition->InputAt(0)->GetType(), Primitive::kPrimLong);
-  GenerateLongComparesAndJumps(condition, true_target, false_target, codegen_);
-
-  if (false_target != &fallthrough_target) {
-    __ b(false_target);
-  }
-
-  if (fallthrough_target.IsLinked()) {
-    __ Bind(&fallthrough_target);
-  }
-}
-
-void InstructionCodeGeneratorARM::GenerateTestAndBranch(HInstruction* instruction,
-                                                        size_t condition_input_index,
-                                                        Label* true_target,
-                                                        Label* false_target) {
-  HInstruction* cond = instruction->InputAt(condition_input_index);
-
-  if (true_target == nullptr && false_target == nullptr) {
-    // Nothing to do. The code always falls through.
-    return;
-  } else if (cond->IsIntConstant()) {
-    // Constant condition, statically compared against "true" (integer value 1).
-    if (cond->AsIntConstant()->IsTrue()) {
-      if (true_target != nullptr) {
-        __ b(true_target);
-      }
-    } else {
-      DCHECK(cond->AsIntConstant()->IsFalse()) << cond->AsIntConstant()->GetValue();
-      if (false_target != nullptr) {
-        __ b(false_target);
-      }
-    }
-    return;
-  }
-
-  // The following code generates these patterns:
-  //  (1) true_target == nullptr && false_target != nullptr
-  //        - opposite condition true => branch to false_target
-  //  (2) true_target != nullptr && false_target == nullptr
-  //        - condition true => branch to true_target
-  //  (3) true_target != nullptr && false_target != nullptr
-  //        - condition true => branch to true_target
-  //        - branch to false_target
-  if (IsBooleanValueOrMaterializedCondition(cond)) {
-    // Condition has been materialized, compare the output to 0.
-    Location cond_val = instruction->GetLocations()->InAt(condition_input_index);
-    DCHECK(cond_val.IsRegister());
-    if (true_target == nullptr) {
-      __ CompareAndBranchIfZero(cond_val.AsRegister<Register>(), false_target);
-    } else {
-      __ CompareAndBranchIfNonZero(cond_val.AsRegister<Register>(), true_target);
-    }
-  } else {
-    // Condition has not been materialized. Use its inputs as the comparison and
-    // its condition as the branch condition.
-    HCondition* condition = cond->AsCondition();
-
-    // If this is a long or FP comparison that has been folded into
-    // the HCondition, generate the comparison directly.
-    Primitive::Type type = condition->InputAt(0)->GetType();
-    if (type == Primitive::kPrimLong || Primitive::IsFloatingPointType(type)) {
-      GenerateCompareTestAndBranch(condition, true_target, false_target);
-      return;
-    }
-
-    Label* non_fallthrough_target;
-    Condition arm_cond;
-    LocationSummary* locations = cond->GetLocations();
-    DCHECK(locations->InAt(0).IsRegister());
-    Register left = locations->InAt(0).AsRegister<Register>();
-    Location right = locations->InAt(1);
-
-    if (true_target == nullptr) {
-      arm_cond = ARMCondition(condition->GetOppositeCondition());
-      non_fallthrough_target = false_target;
-    } else {
-      arm_cond = ARMCondition(condition->GetCondition());
-      non_fallthrough_target = true_target;
-    }
-
-    if (right.IsConstant() && (arm_cond == NE || arm_cond == EQ) &&
-        CodeGenerator::GetInt32ValueOf(right.GetConstant()) == 0) {
-      if (arm_cond == EQ) {
-        __ CompareAndBranchIfZero(left, non_fallthrough_target);
-      } else {
-        DCHECK_EQ(arm_cond, NE);
-        __ CompareAndBranchIfNonZero(left, non_fallthrough_target);
-      }
-    } else {
-      if (right.IsRegister()) {
-        __ cmp(left, ShifterOperand(right.AsRegister<Register>()));
-      } else {
-        DCHECK(right.IsConstant());
-        __ CmpConstant(left, CodeGenerator::GetInt32ValueOf(right.GetConstant()));
-      }
-
-      __ b(non_fallthrough_target, arm_cond);
-    }
-  }
-
-  // If neither branch falls through (case 3), the conditional branch to `true_target`
-  // was already emitted (case 2) and we need to emit a jump to `false_target`.
-  if (true_target != nullptr && false_target != nullptr) {
-    __ b(false_target);
-  }
-}
-
-void LocationsBuilderARM::VisitIf(HIf* if_instr) {
-  LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(if_instr);
-  if (IsBooleanValueOrMaterializedCondition(if_instr->InputAt(0))) {
-    locations->SetInAt(0, Location::RequiresRegister());
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitIf(HIf* if_instr) {
-  HBasicBlock* true_successor = if_instr->IfTrueSuccessor();
-  HBasicBlock* false_successor = if_instr->IfFalseSuccessor();
-  Label* true_target = codegen_->GoesToNextBlock(if_instr->GetBlock(), true_successor) ?
-      nullptr : codegen_->GetLabelOf(true_successor);
-  Label* false_target = codegen_->GoesToNextBlock(if_instr->GetBlock(), false_successor) ?
-      nullptr : codegen_->GetLabelOf(false_successor);
-  GenerateTestAndBranch(if_instr, /* condition_input_index */ 0, true_target, false_target);
-}
-
-void LocationsBuilderARM::VisitDeoptimize(HDeoptimize* deoptimize) {
-  LocationSummary* locations = new (GetGraph()->GetArena())
-      LocationSummary(deoptimize, LocationSummary::kCallOnSlowPath);
-  InvokeRuntimeCallingConvention calling_convention;
-  RegisterSet caller_saves = RegisterSet::Empty();
-  caller_saves.Add(Location::RegisterLocation(calling_convention.GetRegisterAt(0)));
-  locations->SetCustomSlowPathCallerSaves(caller_saves);
-  if (IsBooleanValueOrMaterializedCondition(deoptimize->InputAt(0))) {
-    locations->SetInAt(0, Location::RequiresRegister());
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitDeoptimize(HDeoptimize* deoptimize) {
-  SlowPathCodeARM* slow_path = deopt_slow_paths_.NewSlowPath<DeoptimizationSlowPathARM>(deoptimize);
-  GenerateTestAndBranch(deoptimize,
-                        /* condition_input_index */ 0,
-                        slow_path->GetEntryLabel(),
-                        /* false_target */ nullptr);
-}
-
-void LocationsBuilderARM::VisitShouldDeoptimizeFlag(HShouldDeoptimizeFlag* flag) {
-  LocationSummary* locations = new (GetGraph()->GetArena())
-      LocationSummary(flag, LocationSummary::kNoCall);
-  locations->SetOut(Location::RequiresRegister());
-}
-
-void InstructionCodeGeneratorARM::VisitShouldDeoptimizeFlag(HShouldDeoptimizeFlag* flag) {
-  __ LoadFromOffset(kLoadWord,
-                    flag->GetLocations()->Out().AsRegister<Register>(),
-                    SP,
-                    codegen_->GetStackOffsetOfShouldDeoptimizeFlag());
-}
-
-void LocationsBuilderARM::VisitSelect(HSelect* select) {
-  LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(select);
-  const bool is_floating_point = Primitive::IsFloatingPointType(select->GetType());
-
-  if (is_floating_point) {
-    locations->SetInAt(0, Location::RequiresFpuRegister());
-    locations->SetInAt(1, Location::FpuRegisterOrConstant(select->GetTrueValue()));
-  } else {
-    locations->SetInAt(0, Location::RequiresRegister());
-    locations->SetInAt(1, Arm8BitEncodableConstantOrRegister(select->GetTrueValue()));
-  }
-
-  if (IsBooleanValueOrMaterializedCondition(select->GetCondition())) {
-    locations->SetInAt(2, Location::RegisterOrConstant(select->GetCondition()));
-    // The code generator handles overlap with the values, but not with the condition.
-    locations->SetOut(Location::SameAsFirstInput());
-  } else if (is_floating_point) {
-    locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
-  } else {
-    if (!locations->InAt(1).IsConstant()) {
-      locations->SetInAt(0, Arm8BitEncodableConstantOrRegister(select->GetFalseValue()));
-    }
-
-    locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitSelect(HSelect* select) {
-  HInstruction* const condition = select->GetCondition();
-  const LocationSummary* const locations = select->GetLocations();
-  const Primitive::Type type = select->GetType();
-  const Location first = locations->InAt(0);
-  const Location out = locations->Out();
-  const Location second = locations->InAt(1);
-  Location src;
-
-  if (condition->IsIntConstant()) {
-    if (condition->AsIntConstant()->IsFalse()) {
-      src = first;
-    } else {
-      src = second;
-    }
-
-    codegen_->MoveLocation(out, src, type);
-    return;
-  }
-
-  if (!Primitive::IsFloatingPointType(type) &&
-      (IsBooleanValueOrMaterializedCondition(condition) ||
-       CanGenerateTest(condition->AsCondition(), codegen_->GetAssembler()))) {
-    bool invert = false;
-
-    if (out.Equals(second)) {
-      src = first;
-      invert = true;
-    } else if (out.Equals(first)) {
-      src = second;
-    } else if (second.IsConstant()) {
-      DCHECK(CanEncodeConstantAs8BitImmediate(second.GetConstant()));
-      src = second;
-    } else if (first.IsConstant()) {
-      DCHECK(CanEncodeConstantAs8BitImmediate(first.GetConstant()));
-      src = first;
-      invert = true;
-    } else {
-      src = second;
-    }
-
-    if (CanGenerateConditionalMove(out, src)) {
-      if (!out.Equals(first) && !out.Equals(second)) {
-        codegen_->MoveLocation(out, src.Equals(first) ? second : first, type);
-      }
-
-      std::pair<Condition, Condition> cond;
-
-      if (IsBooleanValueOrMaterializedCondition(condition)) {
-        __ CmpConstant(locations->InAt(2).AsRegister<Register>(), 0);
-        cond = invert ? std::make_pair(EQ, NE) : std::make_pair(NE, EQ);
-      } else {
-        cond = GenerateTest(condition->AsCondition(), invert, codegen_);
-      }
-
-      if (out.IsRegister()) {
-        ShifterOperand operand;
-
-        if (src.IsConstant()) {
-          operand = ShifterOperand(CodeGenerator::GetInt32ValueOf(src.GetConstant()));
-        } else {
-          DCHECK(src.IsRegister());
-          operand = ShifterOperand(src.AsRegister<Register>());
-        }
-
-        __ it(cond.first);
-        __ mov(out.AsRegister<Register>(), operand, cond.first);
-      } else {
-        DCHECK(out.IsRegisterPair());
-
-        ShifterOperand operand_high;
-        ShifterOperand operand_low;
-
-        if (src.IsConstant()) {
-          const int64_t value = src.GetConstant()->AsLongConstant()->GetValue();
-
-          operand_high = ShifterOperand(High32Bits(value));
-          operand_low = ShifterOperand(Low32Bits(value));
-        } else {
-          DCHECK(src.IsRegisterPair());
-          operand_high = ShifterOperand(src.AsRegisterPairHigh<Register>());
-          operand_low = ShifterOperand(src.AsRegisterPairLow<Register>());
-        }
-
-        __ it(cond.first);
-        __ mov(out.AsRegisterPairLow<Register>(), operand_low, cond.first);
-        __ it(cond.first);
-        __ mov(out.AsRegisterPairHigh<Register>(), operand_high, cond.first);
-      }
-
-      return;
-    }
-  }
-
-  Label* false_target = nullptr;
-  Label* true_target = nullptr;
-  Label select_end;
-  Label* target = codegen_->GetFinalLabel(select, &select_end);
-
-  if (out.Equals(second)) {
-    true_target = target;
-    src = first;
-  } else {
-    false_target = target;
-    src = second;
-
-    if (!out.Equals(first)) {
-      codegen_->MoveLocation(out, first, type);
-    }
-  }
-
-  GenerateTestAndBranch(select, 2, true_target, false_target);
-  codegen_->MoveLocation(out, src, type);
-
-  if (select_end.IsLinked()) {
-    __ Bind(&select_end);
-  }
-}
-
-void LocationsBuilderARM::VisitNativeDebugInfo(HNativeDebugInfo* info) {
-  new (GetGraph()->GetArena()) LocationSummary(info);
-}
-
-void InstructionCodeGeneratorARM::VisitNativeDebugInfo(HNativeDebugInfo*) {
-  // MaybeRecordNativeDebugInfo is already called implicitly in CodeGenerator::Compile.
-}
-
-void CodeGeneratorARM::GenerateNop() {
-  __ nop();
-}
-
-// `temp` is an extra temporary register that is used for some conditions;
-// callers may not specify it, in which case the method will use a scratch
-// register instead.
-void CodeGeneratorARM::GenerateConditionWithZero(IfCondition condition,
-                                                 Register out,
-                                                 Register in,
-                                                 Register temp) {
-  switch (condition) {
-    case kCondEQ:
-    // x <= 0 iff x == 0 when the comparison is unsigned.
-    case kCondBE:
-      if (temp == kNoRegister || (ArmAssembler::IsLowRegister(out) && out != in)) {
-        temp = out;
-      }
-
-      // Avoid 32-bit instructions if possible; note that `in` and `temp` must be
-      // different as well.
-      if (ArmAssembler::IsLowRegister(in) && ArmAssembler::IsLowRegister(temp) && in != temp) {
-        // temp = - in; only 0 sets the carry flag.
-        __ rsbs(temp, in, ShifterOperand(0));
-
-        if (out == in) {
-          std::swap(in, temp);
-        }
-
-        // out = - in + in + carry = carry
-        __ adc(out, temp, ShifterOperand(in));
-      } else {
-        // If `in` is 0, then it has 32 leading zeros, and less than that otherwise.
-        __ clz(out, in);
-        // Any number less than 32 logically shifted right by 5 bits results in 0;
-        // the same operation on 32 yields 1.
-        __ Lsr(out, out, 5);
-      }
-
-      break;
-    case kCondNE:
-    // x > 0 iff x != 0 when the comparison is unsigned.
-    case kCondA:
-      if (out == in) {
-        if (temp == kNoRegister || in == temp) {
-          temp = IP;
-        }
-      } else if (temp == kNoRegister || !ArmAssembler::IsLowRegister(temp)) {
-        temp = out;
-      }
-
-      // temp = in - 1; only 0 does not set the carry flag.
-      __ subs(temp, in, ShifterOperand(1));
-      // out = in + ~temp + carry = in + (-(in - 1) - 1) + carry = in - in + 1 - 1 + carry = carry
-      __ sbc(out, in, ShifterOperand(temp));
-      break;
-    case kCondGE:
-      __ mvn(out, ShifterOperand(in));
-      in = out;
-      FALLTHROUGH_INTENDED;
-    case kCondLT:
-      // We only care about the sign bit.
-      __ Lsr(out, in, 31);
-      break;
-    case kCondAE:
-      // Trivially true.
-      __ mov(out, ShifterOperand(1));
-      break;
-    case kCondB:
-      // Trivially false.
-      __ mov(out, ShifterOperand(0));
-      break;
-    default:
-      LOG(FATAL) << "Unexpected condition " << condition;
-      UNREACHABLE();
-  }
-}
-
-void LocationsBuilderARM::HandleCondition(HCondition* cond) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(cond, LocationSummary::kNoCall);
-  // Handle the long/FP comparisons made in instruction simplification.
-  switch (cond->InputAt(0)->GetType()) {
-    case Primitive::kPrimLong:
-      locations->SetInAt(0, Location::RequiresRegister());
-      locations->SetInAt(1, Location::RegisterOrConstant(cond->InputAt(1)));
-      if (!cond->IsEmittedAtUseSite()) {
-        locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-      }
-      break;
-
-    case Primitive::kPrimFloat:
-    case Primitive::kPrimDouble:
-      locations->SetInAt(0, Location::RequiresFpuRegister());
-      locations->SetInAt(1, ArithmeticZeroOrFpuRegister(cond->InputAt(1)));
-      if (!cond->IsEmittedAtUseSite()) {
-        locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-      }
-      break;
-
-    default:
-      locations->SetInAt(0, Location::RequiresRegister());
-      locations->SetInAt(1, Location::RegisterOrConstant(cond->InputAt(1)));
-      if (!cond->IsEmittedAtUseSite()) {
-        locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-      }
-  }
-}
-
-void InstructionCodeGeneratorARM::HandleCondition(HCondition* cond) {
-  if (cond->IsEmittedAtUseSite()) {
-    return;
-  }
-
-  const Primitive::Type type = cond->GetLeft()->GetType();
-
-  if (Primitive::IsFloatingPointType(type)) {
-    GenerateConditionGeneric(cond, codegen_);
-    return;
-  }
-
-  DCHECK(Primitive::IsIntegralType(type) || type == Primitive::kPrimNot) << type;
-
-  const IfCondition condition = cond->GetCondition();
-
-  // A condition with only one boolean input, or two boolean inputs without being equality or
-  // inequality results from transformations done by the instruction simplifier, and is handled
-  // as a regular condition with integral inputs.
-  if (type == Primitive::kPrimBoolean &&
-      cond->GetRight()->GetType() == Primitive::kPrimBoolean &&
-      (condition == kCondEQ || condition == kCondNE)) {
-    const LocationSummary* const locations = cond->GetLocations();
-    Register left = locations->InAt(0).AsRegister<Register>();
-    const Register out = locations->Out().AsRegister<Register>();
-    const Location right_loc = locations->InAt(1);
-
-    // The constant case is handled by the instruction simplifier.
-    DCHECK(!right_loc.IsConstant());
-
-    Register right = right_loc.AsRegister<Register>();
-
-    // Avoid 32-bit instructions if possible.
-    if (out == right) {
-      std::swap(left, right);
-    }
-
-    __ eor(out, left, ShifterOperand(right));
-
-    if (condition == kCondEQ) {
-      __ eor(out, out, ShifterOperand(1));
-    }
-
-    return;
-  }
-
-  GenerateConditionIntegralOrNonPrimitive(cond, codegen_);
-}
-
-void LocationsBuilderARM::VisitEqual(HEqual* comp) {
-  HandleCondition(comp);
-}
-
-void InstructionCodeGeneratorARM::VisitEqual(HEqual* comp) {
-  HandleCondition(comp);
-}
-
-void LocationsBuilderARM::VisitNotEqual(HNotEqual* comp) {
-  HandleCondition(comp);
-}
-
-void InstructionCodeGeneratorARM::VisitNotEqual(HNotEqual* comp) {
-  HandleCondition(comp);
-}
-
-void LocationsBuilderARM::VisitLessThan(HLessThan* comp) {
-  HandleCondition(comp);
-}
-
-void InstructionCodeGeneratorARM::VisitLessThan(HLessThan* comp) {
-  HandleCondition(comp);
-}
-
-void LocationsBuilderARM::VisitLessThanOrEqual(HLessThanOrEqual* comp) {
-  HandleCondition(comp);
-}
-
-void InstructionCodeGeneratorARM::VisitLessThanOrEqual(HLessThanOrEqual* comp) {
-  HandleCondition(comp);
-}
-
-void LocationsBuilderARM::VisitGreaterThan(HGreaterThan* comp) {
-  HandleCondition(comp);
-}
-
-void InstructionCodeGeneratorARM::VisitGreaterThan(HGreaterThan* comp) {
-  HandleCondition(comp);
-}
-
-void LocationsBuilderARM::VisitGreaterThanOrEqual(HGreaterThanOrEqual* comp) {
-  HandleCondition(comp);
-}
-
-void InstructionCodeGeneratorARM::VisitGreaterThanOrEqual(HGreaterThanOrEqual* comp) {
-  HandleCondition(comp);
-}
-
-void LocationsBuilderARM::VisitBelow(HBelow* comp) {
-  HandleCondition(comp);
-}
-
-void InstructionCodeGeneratorARM::VisitBelow(HBelow* comp) {
-  HandleCondition(comp);
-}
-
-void LocationsBuilderARM::VisitBelowOrEqual(HBelowOrEqual* comp) {
-  HandleCondition(comp);
-}
-
-void InstructionCodeGeneratorARM::VisitBelowOrEqual(HBelowOrEqual* comp) {
-  HandleCondition(comp);
-}
-
-void LocationsBuilderARM::VisitAbove(HAbove* comp) {
-  HandleCondition(comp);
-}
-
-void InstructionCodeGeneratorARM::VisitAbove(HAbove* comp) {
-  HandleCondition(comp);
-}
-
-void LocationsBuilderARM::VisitAboveOrEqual(HAboveOrEqual* comp) {
-  HandleCondition(comp);
-}
-
-void InstructionCodeGeneratorARM::VisitAboveOrEqual(HAboveOrEqual* comp) {
-  HandleCondition(comp);
-}
-
-void LocationsBuilderARM::VisitIntConstant(HIntConstant* constant) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(constant, LocationSummary::kNoCall);
-  locations->SetOut(Location::ConstantLocation(constant));
-}
-
-void InstructionCodeGeneratorARM::VisitIntConstant(HIntConstant* constant ATTRIBUTE_UNUSED) {
-  // Will be generated at use site.
-}
-
-void LocationsBuilderARM::VisitNullConstant(HNullConstant* constant) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(constant, LocationSummary::kNoCall);
-  locations->SetOut(Location::ConstantLocation(constant));
-}
-
-void InstructionCodeGeneratorARM::VisitNullConstant(HNullConstant* constant ATTRIBUTE_UNUSED) {
-  // Will be generated at use site.
-}
-
-void LocationsBuilderARM::VisitLongConstant(HLongConstant* constant) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(constant, LocationSummary::kNoCall);
-  locations->SetOut(Location::ConstantLocation(constant));
-}
-
-void InstructionCodeGeneratorARM::VisitLongConstant(HLongConstant* constant ATTRIBUTE_UNUSED) {
-  // Will be generated at use site.
-}
-
-void LocationsBuilderARM::VisitFloatConstant(HFloatConstant* constant) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(constant, LocationSummary::kNoCall);
-  locations->SetOut(Location::ConstantLocation(constant));
-}
-
-void InstructionCodeGeneratorARM::VisitFloatConstant(HFloatConstant* constant ATTRIBUTE_UNUSED) {
-  // Will be generated at use site.
-}
-
-void LocationsBuilderARM::VisitDoubleConstant(HDoubleConstant* constant) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(constant, LocationSummary::kNoCall);
-  locations->SetOut(Location::ConstantLocation(constant));
-}
-
-void InstructionCodeGeneratorARM::VisitDoubleConstant(HDoubleConstant* constant ATTRIBUTE_UNUSED) {
-  // Will be generated at use site.
-}
-
-void LocationsBuilderARM::VisitConstructorFence(HConstructorFence* constructor_fence) {
-  constructor_fence->SetLocations(nullptr);
-}
-
-void InstructionCodeGeneratorARM::VisitConstructorFence(
-    HConstructorFence* constructor_fence ATTRIBUTE_UNUSED) {
-  codegen_->GenerateMemoryBarrier(MemBarrierKind::kStoreStore);
-}
-
-void LocationsBuilderARM::VisitMemoryBarrier(HMemoryBarrier* memory_barrier) {
-  memory_barrier->SetLocations(nullptr);
-}
-
-void InstructionCodeGeneratorARM::VisitMemoryBarrier(HMemoryBarrier* memory_barrier) {
-  codegen_->GenerateMemoryBarrier(memory_barrier->GetBarrierKind());
-}
-
-void LocationsBuilderARM::VisitReturnVoid(HReturnVoid* ret) {
-  ret->SetLocations(nullptr);
-}
-
-void InstructionCodeGeneratorARM::VisitReturnVoid(HReturnVoid* ret ATTRIBUTE_UNUSED) {
-  codegen_->GenerateFrameExit();
-}
-
-void LocationsBuilderARM::VisitReturn(HReturn* ret) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(ret, LocationSummary::kNoCall);
-  locations->SetInAt(0, parameter_visitor_.GetReturnLocation(ret->InputAt(0)->GetType()));
-}
-
-void InstructionCodeGeneratorARM::VisitReturn(HReturn* ret ATTRIBUTE_UNUSED) {
-  codegen_->GenerateFrameExit();
-}
-
-void LocationsBuilderARM::VisitInvokeUnresolved(HInvokeUnresolved* invoke) {
-  // The trampoline uses the same calling convention as dex calling conventions,
-  // except instead of loading arg0/r0 with the target Method*, arg0/r0 will contain
-  // the method_idx.
-  HandleInvoke(invoke);
-}
-
-void InstructionCodeGeneratorARM::VisitInvokeUnresolved(HInvokeUnresolved* invoke) {
-  codegen_->GenerateInvokeUnresolvedRuntimeCall(invoke);
-}
-
-void LocationsBuilderARM::VisitInvokeStaticOrDirect(HInvokeStaticOrDirect* invoke) {
-  // Explicit clinit checks triggered by static invokes must have been pruned by
-  // art::PrepareForRegisterAllocation.
-  DCHECK(!invoke->IsStaticWithExplicitClinitCheck());
-
-  IntrinsicLocationsBuilderARM intrinsic(codegen_);
-  if (intrinsic.TryDispatch(invoke)) {
-    return;
-  }
-
-  HandleInvoke(invoke);
-}
-
-static bool TryGenerateIntrinsicCode(HInvoke* invoke, CodeGeneratorARM* codegen) {
-  if (invoke->GetLocations()->Intrinsified()) {
-    IntrinsicCodeGeneratorARM intrinsic(codegen);
-    intrinsic.Dispatch(invoke);
-    return true;
-  }
-  return false;
-}
-
-void InstructionCodeGeneratorARM::VisitInvokeStaticOrDirect(HInvokeStaticOrDirect* invoke) {
-  // Explicit clinit checks triggered by static invokes must have been pruned by
-  // art::PrepareForRegisterAllocation.
-  DCHECK(!invoke->IsStaticWithExplicitClinitCheck());
-
-  if (TryGenerateIntrinsicCode(invoke, codegen_)) {
-    return;
-  }
-
-  LocationSummary* locations = invoke->GetLocations();
-  codegen_->GenerateStaticOrDirectCall(
-      invoke, locations->HasTemps() ? locations->GetTemp(0) : Location::NoLocation());
-}
-
-void LocationsBuilderARM::HandleInvoke(HInvoke* invoke) {
-  InvokeDexCallingConventionVisitorARM calling_convention_visitor;
-  CodeGenerator::CreateCommonInvokeLocationSummary(invoke, &calling_convention_visitor);
-}
-
-void LocationsBuilderARM::VisitInvokeVirtual(HInvokeVirtual* invoke) {
-  IntrinsicLocationsBuilderARM intrinsic(codegen_);
-  if (intrinsic.TryDispatch(invoke)) {
-    return;
-  }
-
-  HandleInvoke(invoke);
-}
-
-void InstructionCodeGeneratorARM::VisitInvokeVirtual(HInvokeVirtual* invoke) {
-  if (TryGenerateIntrinsicCode(invoke, codegen_)) {
-    return;
-  }
-
-  codegen_->GenerateVirtualCall(invoke, invoke->GetLocations()->GetTemp(0));
-  DCHECK(!codegen_->IsLeafMethod());
-}
-
-void LocationsBuilderARM::VisitInvokeInterface(HInvokeInterface* invoke) {
-  HandleInvoke(invoke);
-  // Add the hidden argument.
-  invoke->GetLocations()->AddTemp(Location::RegisterLocation(R12));
-}
-
-void InstructionCodeGeneratorARM::VisitInvokeInterface(HInvokeInterface* invoke) {
-  // TODO: b/18116999, our IMTs can miss an IncompatibleClassChangeError.
-  LocationSummary* locations = invoke->GetLocations();
-  Register temp = locations->GetTemp(0).AsRegister<Register>();
-  Register hidden_reg = locations->GetTemp(1).AsRegister<Register>();
-  Location receiver = locations->InAt(0);
-  uint32_t class_offset = mirror::Object::ClassOffset().Int32Value();
-
-  // Set the hidden argument. This is safe to do this here, as R12
-  // won't be modified thereafter, before the `blx` (call) instruction.
-  DCHECK_EQ(R12, hidden_reg);
-  __ LoadImmediate(hidden_reg, invoke->GetDexMethodIndex());
-
-  if (receiver.IsStackSlot()) {
-    __ LoadFromOffset(kLoadWord, temp, SP, receiver.GetStackIndex());
-    // /* HeapReference<Class> */ temp = temp->klass_
-    __ LoadFromOffset(kLoadWord, temp, temp, class_offset);
-  } else {
-    // /* HeapReference<Class> */ temp = receiver->klass_
-    __ LoadFromOffset(kLoadWord, temp, receiver.AsRegister<Register>(), class_offset);
-  }
-  codegen_->MaybeRecordImplicitNullCheck(invoke);
-  // Instead of simply (possibly) unpoisoning `temp` here, we should
-  // emit a read barrier for the previous class reference load.
-  // However this is not required in practice, as this is an
-  // intermediate/temporary reference and because the current
-  // concurrent copying collector keeps the from-space memory
-  // intact/accessible until the end of the marking phase (the
-  // concurrent copying collector may not in the future).
-  __ MaybeUnpoisonHeapReference(temp);
-  __ LoadFromOffset(kLoadWord, temp, temp,
-        mirror::Class::ImtPtrOffset(kArmPointerSize).Uint32Value());
-  uint32_t method_offset = static_cast<uint32_t>(ImTable::OffsetOfElement(
-      invoke->GetImtIndex(), kArmPointerSize));
-  // temp = temp->GetImtEntryAt(method_offset);
-  __ LoadFromOffset(kLoadWord, temp, temp, method_offset);
-  uint32_t entry_point =
-      ArtMethod::EntryPointFromQuickCompiledCodeOffset(kArmPointerSize).Int32Value();
-  // LR = temp->GetEntryPoint();
-  __ LoadFromOffset(kLoadWord, LR, temp, entry_point);
-  // LR();
-  __ blx(LR);
-  DCHECK(!codegen_->IsLeafMethod());
-  codegen_->RecordPcInfo(invoke, invoke->GetDexPc());
-}
-
-void LocationsBuilderARM::VisitInvokePolymorphic(HInvokePolymorphic* invoke) {
-  HandleInvoke(invoke);
-}
-
-void InstructionCodeGeneratorARM::VisitInvokePolymorphic(HInvokePolymorphic* invoke) {
-  codegen_->GenerateInvokePolymorphicCall(invoke);
-}
-
-void LocationsBuilderARM::VisitNeg(HNeg* neg) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(neg, LocationSummary::kNoCall);
-  switch (neg->GetResultType()) {
-    case Primitive::kPrimInt: {
-      locations->SetInAt(0, Location::RequiresRegister());
-      locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-      break;
-    }
-    case Primitive::kPrimLong: {
-      locations->SetInAt(0, Location::RequiresRegister());
-      locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap);
-      break;
-    }
-
-    case Primitive::kPrimFloat:
-    case Primitive::kPrimDouble:
-      locations->SetInAt(0, Location::RequiresFpuRegister());
-      locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
-      break;
-
-    default:
-      LOG(FATAL) << "Unexpected neg type " << neg->GetResultType();
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitNeg(HNeg* neg) {
-  LocationSummary* locations = neg->GetLocations();
-  Location out = locations->Out();
-  Location in = locations->InAt(0);
-  switch (neg->GetResultType()) {
-    case Primitive::kPrimInt:
-      DCHECK(in.IsRegister());
-      __ rsb(out.AsRegister<Register>(), in.AsRegister<Register>(), ShifterOperand(0));
-      break;
-
-    case Primitive::kPrimLong:
-      DCHECK(in.IsRegisterPair());
-      // out.lo = 0 - in.lo (and update the carry/borrow (C) flag)
-      __ rsbs(out.AsRegisterPairLow<Register>(),
-              in.AsRegisterPairLow<Register>(),
-              ShifterOperand(0));
-      // We cannot emit an RSC (Reverse Subtract with Carry)
-      // instruction here, as it does not exist in the Thumb-2
-      // instruction set.  We use the following approach
-      // using SBC and SUB instead.
-      //
-      // out.hi = -C
-      __ sbc(out.AsRegisterPairHigh<Register>(),
-             out.AsRegisterPairHigh<Register>(),
-             ShifterOperand(out.AsRegisterPairHigh<Register>()));
-      // out.hi = out.hi - in.hi
-      __ sub(out.AsRegisterPairHigh<Register>(),
-             out.AsRegisterPairHigh<Register>(),
-             ShifterOperand(in.AsRegisterPairHigh<Register>()));
-      break;
-
-    case Primitive::kPrimFloat:
-      DCHECK(in.IsFpuRegister());
-      __ vnegs(out.AsFpuRegister<SRegister>(), in.AsFpuRegister<SRegister>());
-      break;
-
-    case Primitive::kPrimDouble:
-      DCHECK(in.IsFpuRegisterPair());
-      __ vnegd(FromLowSToD(out.AsFpuRegisterPairLow<SRegister>()),
-               FromLowSToD(in.AsFpuRegisterPairLow<SRegister>()));
-      break;
-
-    default:
-      LOG(FATAL) << "Unexpected neg type " << neg->GetResultType();
-  }
-}
-
-void LocationsBuilderARM::VisitTypeConversion(HTypeConversion* conversion) {
-  Primitive::Type result_type = conversion->GetResultType();
-  Primitive::Type input_type = conversion->GetInputType();
-  DCHECK_NE(result_type, input_type);
-
-  // The float-to-long, double-to-long and long-to-float type conversions
-  // rely on a call to the runtime.
-  LocationSummary::CallKind call_kind =
-      (((input_type == Primitive::kPrimFloat || input_type == Primitive::kPrimDouble)
-        && result_type == Primitive::kPrimLong)
-       || (input_type == Primitive::kPrimLong && result_type == Primitive::kPrimFloat))
-      ? LocationSummary::kCallOnMainOnly
-      : LocationSummary::kNoCall;
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(conversion, call_kind);
-
-  // The Java language does not allow treating boolean as an integral type but
-  // our bit representation makes it safe.
-
-  switch (result_type) {
-    case Primitive::kPrimByte:
-      switch (input_type) {
-        case Primitive::kPrimLong:
-          // Type conversion from long to byte is a result of code transformations.
-        case Primitive::kPrimBoolean:
-          // Boolean input is a result of code transformations.
-        case Primitive::kPrimShort:
-        case Primitive::kPrimInt:
-        case Primitive::kPrimChar:
-          // Processing a Dex `int-to-byte' instruction.
-          locations->SetInAt(0, Location::RequiresRegister());
-          locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-          break;
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      }
-      break;
-
-    case Primitive::kPrimShort:
-      switch (input_type) {
-        case Primitive::kPrimLong:
-          // Type conversion from long to short is a result of code transformations.
-        case Primitive::kPrimBoolean:
-          // Boolean input is a result of code transformations.
-        case Primitive::kPrimByte:
-        case Primitive::kPrimInt:
-        case Primitive::kPrimChar:
-          // Processing a Dex `int-to-short' instruction.
-          locations->SetInAt(0, Location::RequiresRegister());
-          locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-          break;
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      }
-      break;
-
-    case Primitive::kPrimInt:
-      switch (input_type) {
-        case Primitive::kPrimLong:
-          // Processing a Dex `long-to-int' instruction.
-          locations->SetInAt(0, Location::Any());
-          locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-          break;
-
-        case Primitive::kPrimFloat:
-          // Processing a Dex `float-to-int' instruction.
-          locations->SetInAt(0, Location::RequiresFpuRegister());
-          locations->SetOut(Location::RequiresRegister());
-          locations->AddTemp(Location::RequiresFpuRegister());
-          break;
-
-        case Primitive::kPrimDouble:
-          // Processing a Dex `double-to-int' instruction.
-          locations->SetInAt(0, Location::RequiresFpuRegister());
-          locations->SetOut(Location::RequiresRegister());
-          locations->AddTemp(Location::RequiresFpuRegister());
-          break;
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      }
-      break;
-
-    case Primitive::kPrimLong:
-      switch (input_type) {
-        case Primitive::kPrimBoolean:
-          // Boolean input is a result of code transformations.
-        case Primitive::kPrimByte:
-        case Primitive::kPrimShort:
-        case Primitive::kPrimInt:
-        case Primitive::kPrimChar:
-          // Processing a Dex `int-to-long' instruction.
-          locations->SetInAt(0, Location::RequiresRegister());
-          locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-          break;
-
-        case Primitive::kPrimFloat: {
-          // Processing a Dex `float-to-long' instruction.
-          InvokeRuntimeCallingConvention calling_convention;
-          locations->SetInAt(0, Location::FpuRegisterLocation(
-              calling_convention.GetFpuRegisterAt(0)));
-          locations->SetOut(Location::RegisterPairLocation(R0, R1));
-          break;
-        }
-
-        case Primitive::kPrimDouble: {
-          // Processing a Dex `double-to-long' instruction.
-          InvokeRuntimeCallingConvention calling_convention;
-          locations->SetInAt(0, Location::FpuRegisterPairLocation(
-              calling_convention.GetFpuRegisterAt(0),
-              calling_convention.GetFpuRegisterAt(1)));
-          locations->SetOut(Location::RegisterPairLocation(R0, R1));
-          break;
-        }
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      }
-      break;
-
-    case Primitive::kPrimChar:
-      switch (input_type) {
-        case Primitive::kPrimLong:
-          // Type conversion from long to char is a result of code transformations.
-        case Primitive::kPrimBoolean:
-          // Boolean input is a result of code transformations.
-        case Primitive::kPrimByte:
-        case Primitive::kPrimShort:
-        case Primitive::kPrimInt:
-          // Processing a Dex `int-to-char' instruction.
-          locations->SetInAt(0, Location::RequiresRegister());
-          locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-          break;
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      }
-      break;
-
-    case Primitive::kPrimFloat:
-      switch (input_type) {
-        case Primitive::kPrimBoolean:
-          // Boolean input is a result of code transformations.
-        case Primitive::kPrimByte:
-        case Primitive::kPrimShort:
-        case Primitive::kPrimInt:
-        case Primitive::kPrimChar:
-          // Processing a Dex `int-to-float' instruction.
-          locations->SetInAt(0, Location::RequiresRegister());
-          locations->SetOut(Location::RequiresFpuRegister());
-          break;
-
-        case Primitive::kPrimLong: {
-          // Processing a Dex `long-to-float' instruction.
-          InvokeRuntimeCallingConvention calling_convention;
-          locations->SetInAt(0, Location::RegisterPairLocation(
-              calling_convention.GetRegisterAt(0), calling_convention.GetRegisterAt(1)));
-          locations->SetOut(Location::FpuRegisterLocation(calling_convention.GetFpuRegisterAt(0)));
-          break;
-        }
-
-        case Primitive::kPrimDouble:
-          // Processing a Dex `double-to-float' instruction.
-          locations->SetInAt(0, Location::RequiresFpuRegister());
-          locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
-          break;
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      };
-      break;
-
-    case Primitive::kPrimDouble:
-      switch (input_type) {
-        case Primitive::kPrimBoolean:
-          // Boolean input is a result of code transformations.
-        case Primitive::kPrimByte:
-        case Primitive::kPrimShort:
-        case Primitive::kPrimInt:
-        case Primitive::kPrimChar:
-          // Processing a Dex `int-to-double' instruction.
-          locations->SetInAt(0, Location::RequiresRegister());
-          locations->SetOut(Location::RequiresFpuRegister());
-          break;
-
-        case Primitive::kPrimLong:
-          // Processing a Dex `long-to-double' instruction.
-          locations->SetInAt(0, Location::RequiresRegister());
-          locations->SetOut(Location::RequiresFpuRegister());
-          locations->AddTemp(Location::RequiresFpuRegister());
-          locations->AddTemp(Location::RequiresFpuRegister());
-          break;
-
-        case Primitive::kPrimFloat:
-          // Processing a Dex `float-to-double' instruction.
-          locations->SetInAt(0, Location::RequiresFpuRegister());
-          locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
-          break;
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      };
-      break;
-
-    default:
-      LOG(FATAL) << "Unexpected type conversion from " << input_type
-                 << " to " << result_type;
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitTypeConversion(HTypeConversion* conversion) {
-  LocationSummary* locations = conversion->GetLocations();
-  Location out = locations->Out();
-  Location in = locations->InAt(0);
-  Primitive::Type result_type = conversion->GetResultType();
-  Primitive::Type input_type = conversion->GetInputType();
-  DCHECK_NE(result_type, input_type);
-  switch (result_type) {
-    case Primitive::kPrimByte:
-      switch (input_type) {
-        case Primitive::kPrimLong:
-          // Type conversion from long to byte is a result of code transformations.
-          __ sbfx(out.AsRegister<Register>(), in.AsRegisterPairLow<Register>(), 0, 8);
-          break;
-        case Primitive::kPrimBoolean:
-          // Boolean input is a result of code transformations.
-        case Primitive::kPrimShort:
-        case Primitive::kPrimInt:
-        case Primitive::kPrimChar:
-          // Processing a Dex `int-to-byte' instruction.
-          __ sbfx(out.AsRegister<Register>(), in.AsRegister<Register>(), 0, 8);
-          break;
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      }
-      break;
-
-    case Primitive::kPrimShort:
-      switch (input_type) {
-        case Primitive::kPrimLong:
-          // Type conversion from long to short is a result of code transformations.
-          __ sbfx(out.AsRegister<Register>(), in.AsRegisterPairLow<Register>(), 0, 16);
-          break;
-        case Primitive::kPrimBoolean:
-          // Boolean input is a result of code transformations.
-        case Primitive::kPrimByte:
-        case Primitive::kPrimInt:
-        case Primitive::kPrimChar:
-          // Processing a Dex `int-to-short' instruction.
-          __ sbfx(out.AsRegister<Register>(), in.AsRegister<Register>(), 0, 16);
-          break;
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      }
-      break;
-
-    case Primitive::kPrimInt:
-      switch (input_type) {
-        case Primitive::kPrimLong:
-          // Processing a Dex `long-to-int' instruction.
-          DCHECK(out.IsRegister());
-          if (in.IsRegisterPair()) {
-            __ Mov(out.AsRegister<Register>(), in.AsRegisterPairLow<Register>());
-          } else if (in.IsDoubleStackSlot()) {
-            __ LoadFromOffset(kLoadWord, out.AsRegister<Register>(), SP, in.GetStackIndex());
-          } else {
-            DCHECK(in.IsConstant());
-            DCHECK(in.GetConstant()->IsLongConstant());
-            int64_t value = in.GetConstant()->AsLongConstant()->GetValue();
-            __ LoadImmediate(out.AsRegister<Register>(), static_cast<int32_t>(value));
-          }
-          break;
-
-        case Primitive::kPrimFloat: {
-          // Processing a Dex `float-to-int' instruction.
-          SRegister temp = locations->GetTemp(0).AsFpuRegisterPairLow<SRegister>();
-          __ vcvtis(temp, in.AsFpuRegister<SRegister>());
-          __ vmovrs(out.AsRegister<Register>(), temp);
-          break;
-        }
-
-        case Primitive::kPrimDouble: {
-          // Processing a Dex `double-to-int' instruction.
-          SRegister temp_s = locations->GetTemp(0).AsFpuRegisterPairLow<SRegister>();
-          __ vcvtid(temp_s, FromLowSToD(in.AsFpuRegisterPairLow<SRegister>()));
-          __ vmovrs(out.AsRegister<Register>(), temp_s);
-          break;
-        }
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      }
-      break;
-
-    case Primitive::kPrimLong:
-      switch (input_type) {
-        case Primitive::kPrimBoolean:
-          // Boolean input is a result of code transformations.
-        case Primitive::kPrimByte:
-        case Primitive::kPrimShort:
-        case Primitive::kPrimInt:
-        case Primitive::kPrimChar:
-          // Processing a Dex `int-to-long' instruction.
-          DCHECK(out.IsRegisterPair());
-          DCHECK(in.IsRegister());
-          __ Mov(out.AsRegisterPairLow<Register>(), in.AsRegister<Register>());
-          // Sign extension.
-          __ Asr(out.AsRegisterPairHigh<Register>(),
-                 out.AsRegisterPairLow<Register>(),
-                 31);
-          break;
-
-        case Primitive::kPrimFloat:
-          // Processing a Dex `float-to-long' instruction.
-          codegen_->InvokeRuntime(kQuickF2l, conversion, conversion->GetDexPc());
-          CheckEntrypointTypes<kQuickF2l, int64_t, float>();
-          break;
-
-        case Primitive::kPrimDouble:
-          // Processing a Dex `double-to-long' instruction.
-          codegen_->InvokeRuntime(kQuickD2l, conversion, conversion->GetDexPc());
-          CheckEntrypointTypes<kQuickD2l, int64_t, double>();
-          break;
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      }
-      break;
-
-    case Primitive::kPrimChar:
-      switch (input_type) {
-        case Primitive::kPrimLong:
-          // Type conversion from long to char is a result of code transformations.
-          __ ubfx(out.AsRegister<Register>(), in.AsRegisterPairLow<Register>(), 0, 16);
-          break;
-        case Primitive::kPrimBoolean:
-          // Boolean input is a result of code transformations.
-        case Primitive::kPrimByte:
-        case Primitive::kPrimShort:
-        case Primitive::kPrimInt:
-          // Processing a Dex `int-to-char' instruction.
-          __ ubfx(out.AsRegister<Register>(), in.AsRegister<Register>(), 0, 16);
-          break;
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      }
-      break;
-
-    case Primitive::kPrimFloat:
-      switch (input_type) {
-        case Primitive::kPrimBoolean:
-          // Boolean input is a result of code transformations.
-        case Primitive::kPrimByte:
-        case Primitive::kPrimShort:
-        case Primitive::kPrimInt:
-        case Primitive::kPrimChar: {
-          // Processing a Dex `int-to-float' instruction.
-          __ vmovsr(out.AsFpuRegister<SRegister>(), in.AsRegister<Register>());
-          __ vcvtsi(out.AsFpuRegister<SRegister>(), out.AsFpuRegister<SRegister>());
-          break;
-        }
-
-        case Primitive::kPrimLong:
-          // Processing a Dex `long-to-float' instruction.
-          codegen_->InvokeRuntime(kQuickL2f, conversion, conversion->GetDexPc());
-          CheckEntrypointTypes<kQuickL2f, float, int64_t>();
-          break;
-
-        case Primitive::kPrimDouble:
-          // Processing a Dex `double-to-float' instruction.
-          __ vcvtsd(out.AsFpuRegister<SRegister>(),
-                    FromLowSToD(in.AsFpuRegisterPairLow<SRegister>()));
-          break;
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      };
-      break;
-
-    case Primitive::kPrimDouble:
-      switch (input_type) {
-        case Primitive::kPrimBoolean:
-          // Boolean input is a result of code transformations.
-        case Primitive::kPrimByte:
-        case Primitive::kPrimShort:
-        case Primitive::kPrimInt:
-        case Primitive::kPrimChar: {
-          // Processing a Dex `int-to-double' instruction.
-          __ vmovsr(out.AsFpuRegisterPairLow<SRegister>(), in.AsRegister<Register>());
-          __ vcvtdi(FromLowSToD(out.AsFpuRegisterPairLow<SRegister>()),
-                    out.AsFpuRegisterPairLow<SRegister>());
-          break;
-        }
-
-        case Primitive::kPrimLong: {
-          // Processing a Dex `long-to-double' instruction.
-          Register low = in.AsRegisterPairLow<Register>();
-          Register high = in.AsRegisterPairHigh<Register>();
-          SRegister out_s = out.AsFpuRegisterPairLow<SRegister>();
-          DRegister out_d = FromLowSToD(out_s);
-          SRegister temp_s = locations->GetTemp(0).AsFpuRegisterPairLow<SRegister>();
-          DRegister temp_d = FromLowSToD(temp_s);
-          SRegister constant_s = locations->GetTemp(1).AsFpuRegisterPairLow<SRegister>();
-          DRegister constant_d = FromLowSToD(constant_s);
-
-          // temp_d = int-to-double(high)
-          __ vmovsr(temp_s, high);
-          __ vcvtdi(temp_d, temp_s);
-          // constant_d = k2Pow32EncodingForDouble
-          __ LoadDImmediate(constant_d, bit_cast<double, int64_t>(k2Pow32EncodingForDouble));
-          // out_d = unsigned-to-double(low)
-          __ vmovsr(out_s, low);
-          __ vcvtdu(out_d, out_s);
-          // out_d += temp_d * constant_d
-          __ vmlad(out_d, temp_d, constant_d);
-          break;
-        }
-
-        case Primitive::kPrimFloat:
-          // Processing a Dex `float-to-double' instruction.
-          __ vcvtds(FromLowSToD(out.AsFpuRegisterPairLow<SRegister>()),
-                    in.AsFpuRegister<SRegister>());
-          break;
-
-        default:
-          LOG(FATAL) << "Unexpected type conversion from " << input_type
-                     << " to " << result_type;
-      };
-      break;
-
-    default:
-      LOG(FATAL) << "Unexpected type conversion from " << input_type
-                 << " to " << result_type;
-  }
-}
-
-void LocationsBuilderARM::VisitAdd(HAdd* add) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(add, LocationSummary::kNoCall);
-  switch (add->GetResultType()) {
-    case Primitive::kPrimInt: {
-      locations->SetInAt(0, Location::RequiresRegister());
-      locations->SetInAt(1, Location::RegisterOrConstant(add->InputAt(1)));
-      locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-      break;
-    }
-
-    case Primitive::kPrimLong: {
-      locations->SetInAt(0, Location::RequiresRegister());
-      locations->SetInAt(1, ArmEncodableConstantOrRegister(add->InputAt(1), ADD));
-      locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-      break;
-    }
-
-    case Primitive::kPrimFloat:
-    case Primitive::kPrimDouble: {
-      locations->SetInAt(0, Location::RequiresFpuRegister());
-      locations->SetInAt(1, Location::RequiresFpuRegister());
-      locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
-      break;
-    }
-
-    default:
-      LOG(FATAL) << "Unexpected add type " << add->GetResultType();
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitAdd(HAdd* add) {
-  LocationSummary* locations = add->GetLocations();
-  Location out = locations->Out();
-  Location first = locations->InAt(0);
-  Location second = locations->InAt(1);
-  switch (add->GetResultType()) {
-    case Primitive::kPrimInt:
-      if (second.IsRegister()) {
-        __ add(out.AsRegister<Register>(),
-               first.AsRegister<Register>(),
-               ShifterOperand(second.AsRegister<Register>()));
-      } else {
-        __ AddConstant(out.AsRegister<Register>(),
-                       first.AsRegister<Register>(),
-                       second.GetConstant()->AsIntConstant()->GetValue());
-      }
-      break;
-
-    case Primitive::kPrimLong: {
-      if (second.IsConstant()) {
-        uint64_t value = static_cast<uint64_t>(Int64FromConstant(second.GetConstant()));
-        GenerateAddLongConst(out, first, value);
-      } else {
-        DCHECK(second.IsRegisterPair());
-        __ adds(out.AsRegisterPairLow<Register>(),
-                first.AsRegisterPairLow<Register>(),
-                ShifterOperand(second.AsRegisterPairLow<Register>()));
-        __ adc(out.AsRegisterPairHigh<Register>(),
-               first.AsRegisterPairHigh<Register>(),
-               ShifterOperand(second.AsRegisterPairHigh<Register>()));
-      }
-      break;
-    }
-
-    case Primitive::kPrimFloat:
-      __ vadds(out.AsFpuRegister<SRegister>(),
-               first.AsFpuRegister<SRegister>(),
-               second.AsFpuRegister<SRegister>());
-      break;
-
-    case Primitive::kPrimDouble:
-      __ vaddd(FromLowSToD(out.AsFpuRegisterPairLow<SRegister>()),
-               FromLowSToD(first.AsFpuRegisterPairLow<SRegister>()),
-               FromLowSToD(second.AsFpuRegisterPairLow<SRegister>()));
-      break;
-
-    default:
-      LOG(FATAL) << "Unexpected add type " << add->GetResultType();
-  }
-}
-
-void LocationsBuilderARM::VisitSub(HSub* sub) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(sub, LocationSummary::kNoCall);
-  switch (sub->GetResultType()) {
-    case Primitive::kPrimInt: {
-      locations->SetInAt(0, Location::RequiresRegister());
-      locations->SetInAt(1, Location::RegisterOrConstant(sub->InputAt(1)));
-      locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-      break;
-    }
-
-    case Primitive::kPrimLong: {
-      locations->SetInAt(0, Location::RequiresRegister());
-      locations->SetInAt(1, ArmEncodableConstantOrRegister(sub->InputAt(1), SUB));
-      locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-      break;
-    }
-    case Primitive::kPrimFloat:
-    case Primitive::kPrimDouble: {
-      locations->SetInAt(0, Location::RequiresFpuRegister());
-      locations->SetInAt(1, Location::RequiresFpuRegister());
-      locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
-      break;
-    }
-    default:
-      LOG(FATAL) << "Unexpected sub type " << sub->GetResultType();
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitSub(HSub* sub) {
-  LocationSummary* locations = sub->GetLocations();
-  Location out = locations->Out();
-  Location first = locations->InAt(0);
-  Location second = locations->InAt(1);
-  switch (sub->GetResultType()) {
-    case Primitive::kPrimInt: {
-      if (second.IsRegister()) {
-        __ sub(out.AsRegister<Register>(),
-               first.AsRegister<Register>(),
-               ShifterOperand(second.AsRegister<Register>()));
-      } else {
-        __ AddConstant(out.AsRegister<Register>(),
-                       first.AsRegister<Register>(),
-                       -second.GetConstant()->AsIntConstant()->GetValue());
-      }
-      break;
-    }
-
-    case Primitive::kPrimLong: {
-      if (second.IsConstant()) {
-        uint64_t value = static_cast<uint64_t>(Int64FromConstant(second.GetConstant()));
-        GenerateAddLongConst(out, first, -value);
-      } else {
-        DCHECK(second.IsRegisterPair());
-        __ subs(out.AsRegisterPairLow<Register>(),
-                first.AsRegisterPairLow<Register>(),
-                ShifterOperand(second.AsRegisterPairLow<Register>()));
-        __ sbc(out.AsRegisterPairHigh<Register>(),
-               first.AsRegisterPairHigh<Register>(),
-               ShifterOperand(second.AsRegisterPairHigh<Register>()));
-      }
-      break;
-    }
-
-    case Primitive::kPrimFloat: {
-      __ vsubs(out.AsFpuRegister<SRegister>(),
-               first.AsFpuRegister<SRegister>(),
-               second.AsFpuRegister<SRegister>());
-      break;
-    }
-
-    case Primitive::kPrimDouble: {
-      __ vsubd(FromLowSToD(out.AsFpuRegisterPairLow<SRegister>()),
-               FromLowSToD(first.AsFpuRegisterPairLow<SRegister>()),
-               FromLowSToD(second.AsFpuRegisterPairLow<SRegister>()));
-      break;
-    }
-
-
-    default:
-      LOG(FATAL) << "Unexpected sub type " << sub->GetResultType();
-  }
-}
-
-void LocationsBuilderARM::VisitMul(HMul* mul) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(mul, LocationSummary::kNoCall);
-  switch (mul->GetResultType()) {
-    case Primitive::kPrimInt:
-    case Primitive::kPrimLong:  {
-      locations->SetInAt(0, Location::RequiresRegister());
-      locations->SetInAt(1, Location::RequiresRegister());
-      locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-      break;
-    }
-
-    case Primitive::kPrimFloat:
-    case Primitive::kPrimDouble: {
-      locations->SetInAt(0, Location::RequiresFpuRegister());
-      locations->SetInAt(1, Location::RequiresFpuRegister());
-      locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
-      break;
-    }
-
-    default:
-      LOG(FATAL) << "Unexpected mul type " << mul->GetResultType();
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitMul(HMul* mul) {
-  LocationSummary* locations = mul->GetLocations();
-  Location out = locations->Out();
-  Location first = locations->InAt(0);
-  Location second = locations->InAt(1);
-  switch (mul->GetResultType()) {
-    case Primitive::kPrimInt: {
-      __ mul(out.AsRegister<Register>(),
-             first.AsRegister<Register>(),
-             second.AsRegister<Register>());
-      break;
-    }
-    case Primitive::kPrimLong: {
-      Register out_hi = out.AsRegisterPairHigh<Register>();
-      Register out_lo = out.AsRegisterPairLow<Register>();
-      Register in1_hi = first.AsRegisterPairHigh<Register>();
-      Register in1_lo = first.AsRegisterPairLow<Register>();
-      Register in2_hi = second.AsRegisterPairHigh<Register>();
-      Register in2_lo = second.AsRegisterPairLow<Register>();
-
-      // Extra checks to protect caused by the existence of R1_R2.
-      // The algorithm is wrong if out.hi is either in1.lo or in2.lo:
-      // (e.g. in1=r0_r1, in2=r2_r3 and out=r1_r2);
-      DCHECK_NE(out_hi, in1_lo);
-      DCHECK_NE(out_hi, in2_lo);
-
-      // input: in1 - 64 bits, in2 - 64 bits
-      // output: out
-      // formula: out.hi : out.lo = (in1.lo * in2.hi + in1.hi * in2.lo)* 2^32 + in1.lo * in2.lo
-      // parts: out.hi = in1.lo * in2.hi + in1.hi * in2.lo + (in1.lo * in2.lo)[63:32]
-      // parts: out.lo = (in1.lo * in2.lo)[31:0]
-
-      // IP <- in1.lo * in2.hi
-      __ mul(IP, in1_lo, in2_hi);
-      // out.hi <- in1.lo * in2.hi + in1.hi * in2.lo
-      __ mla(out_hi, in1_hi, in2_lo, IP);
-      // out.lo <- (in1.lo * in2.lo)[31:0];
-      __ umull(out_lo, IP, in1_lo, in2_lo);
-      // out.hi <- in2.hi * in1.lo +  in2.lo * in1.hi + (in1.lo * in2.lo)[63:32]
-      __ add(out_hi, out_hi, ShifterOperand(IP));
-      break;
-    }
-
-    case Primitive::kPrimFloat: {
-      __ vmuls(out.AsFpuRegister<SRegister>(),
-               first.AsFpuRegister<SRegister>(),
-               second.AsFpuRegister<SRegister>());
-      break;
-    }
-
-    case Primitive::kPrimDouble: {
-      __ vmuld(FromLowSToD(out.AsFpuRegisterPairLow<SRegister>()),
-               FromLowSToD(first.AsFpuRegisterPairLow<SRegister>()),
-               FromLowSToD(second.AsFpuRegisterPairLow<SRegister>()));
-      break;
-    }
-
-    default:
-      LOG(FATAL) << "Unexpected mul type " << mul->GetResultType();
-  }
-}
-
-void InstructionCodeGeneratorARM::DivRemOneOrMinusOne(HBinaryOperation* instruction) {
-  DCHECK(instruction->IsDiv() || instruction->IsRem());
-  DCHECK(instruction->GetResultType() == Primitive::kPrimInt);
-
-  LocationSummary* locations = instruction->GetLocations();
-  Location second = locations->InAt(1);
-  DCHECK(second.IsConstant());
-
-  Register out = locations->Out().AsRegister<Register>();
-  Register dividend = locations->InAt(0).AsRegister<Register>();
-  int32_t imm = second.GetConstant()->AsIntConstant()->GetValue();
-  DCHECK(imm == 1 || imm == -1);
-
-  if (instruction->IsRem()) {
-    __ LoadImmediate(out, 0);
-  } else {
-    if (imm == 1) {
-      __ Mov(out, dividend);
-    } else {
-      __ rsb(out, dividend, ShifterOperand(0));
-    }
-  }
-}
-
-void InstructionCodeGeneratorARM::DivRemByPowerOfTwo(HBinaryOperation* instruction) {
-  DCHECK(instruction->IsDiv() || instruction->IsRem());
-  DCHECK(instruction->GetResultType() == Primitive::kPrimInt);
-
-  LocationSummary* locations = instruction->GetLocations();
-  Location second = locations->InAt(1);
-  DCHECK(second.IsConstant());
-
-  Register out = locations->Out().AsRegister<Register>();
-  Register dividend = locations->InAt(0).AsRegister<Register>();
-  Register temp = locations->GetTemp(0).AsRegister<Register>();
-  int32_t imm = second.GetConstant()->AsIntConstant()->GetValue();
-  uint32_t abs_imm = static_cast<uint32_t>(AbsOrMin(imm));
-  int ctz_imm = CTZ(abs_imm);
-
-  if (ctz_imm == 1) {
-    __ Lsr(temp, dividend, 32 - ctz_imm);
-  } else {
-    __ Asr(temp, dividend, 31);
-    __ Lsr(temp, temp, 32 - ctz_imm);
-  }
-  __ add(out, temp, ShifterOperand(dividend));
-
-  if (instruction->IsDiv()) {
-    __ Asr(out, out, ctz_imm);
-    if (imm < 0) {
-      __ rsb(out, out, ShifterOperand(0));
-    }
-  } else {
-    __ ubfx(out, out, 0, ctz_imm);
-    __ sub(out, out, ShifterOperand(temp));
-  }
-}
-
-void InstructionCodeGeneratorARM::GenerateDivRemWithAnyConstant(HBinaryOperation* instruction) {
-  DCHECK(instruction->IsDiv() || instruction->IsRem());
-  DCHECK(instruction->GetResultType() == Primitive::kPrimInt);
-
-  LocationSummary* locations = instruction->GetLocations();
-  Location second = locations->InAt(1);
-  DCHECK(second.IsConstant());
-
-  Register out = locations->Out().AsRegister<Register>();
-  Register dividend = locations->InAt(0).AsRegister<Register>();
-  Register temp1 = locations->GetTemp(0).AsRegister<Register>();
-  Register temp2 = locations->GetTemp(1).AsRegister<Register>();
-  int64_t imm = second.GetConstant()->AsIntConstant()->GetValue();
-
-  int64_t magic;
-  int shift;
-  CalculateMagicAndShiftForDivRem(imm, false /* is_long */, &magic, &shift);
-
-  __ LoadImmediate(temp1, magic);
-  __ smull(temp2, temp1, dividend, temp1);
-
-  if (imm > 0 && magic < 0) {
-    __ add(temp1, temp1, ShifterOperand(dividend));
-  } else if (imm < 0 && magic > 0) {
-    __ sub(temp1, temp1, ShifterOperand(dividend));
-  }
-
-  if (shift != 0) {
-    __ Asr(temp1, temp1, shift);
-  }
-
-  if (instruction->IsDiv()) {
-    __ sub(out, temp1, ShifterOperand(temp1, ASR, 31));
-  } else {
-    __ sub(temp1, temp1, ShifterOperand(temp1, ASR, 31));
-    // TODO: Strength reduction for mls.
-    __ LoadImmediate(temp2, imm);
-    __ mls(out, temp1, temp2, dividend);
-  }
-}
-
-void InstructionCodeGeneratorARM::GenerateDivRemConstantIntegral(HBinaryOperation* instruction) {
-  DCHECK(instruction->IsDiv() || instruction->IsRem());
-  DCHECK(instruction->GetResultType() == Primitive::kPrimInt);
-
-  LocationSummary* locations = instruction->GetLocations();
-  Location second = locations->InAt(1);
-  DCHECK(second.IsConstant());
-
-  int32_t imm = second.GetConstant()->AsIntConstant()->GetValue();
-  if (imm == 0) {
-    // Do not generate anything. DivZeroCheck would prevent any code to be executed.
-  } else if (imm == 1 || imm == -1) {
-    DivRemOneOrMinusOne(instruction);
-  } else if (IsPowerOfTwo(AbsOrMin(imm))) {
-    DivRemByPowerOfTwo(instruction);
-  } else {
-    DCHECK(imm <= -2 || imm >= 2);
-    GenerateDivRemWithAnyConstant(instruction);
-  }
-}
-
-void LocationsBuilderARM::VisitDiv(HDiv* div) {
-  LocationSummary::CallKind call_kind = LocationSummary::kNoCall;
-  if (div->GetResultType() == Primitive::kPrimLong) {
-    // pLdiv runtime call.
-    call_kind = LocationSummary::kCallOnMainOnly;
-  } else if (div->GetResultType() == Primitive::kPrimInt && div->InputAt(1)->IsConstant()) {
-    // sdiv will be replaced by other instruction sequence.
-  } else if (div->GetResultType() == Primitive::kPrimInt &&
-             !codegen_->GetInstructionSetFeatures().HasDivideInstruction()) {
-    // pIdivmod runtime call.
-    call_kind = LocationSummary::kCallOnMainOnly;
-  }
-
-  LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(div, call_kind);
-
-  switch (div->GetResultType()) {
-    case Primitive::kPrimInt: {
-      if (div->InputAt(1)->IsConstant()) {
-        locations->SetInAt(0, Location::RequiresRegister());
-        locations->SetInAt(1, Location::ConstantLocation(div->InputAt(1)->AsConstant()));
-        locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-        int32_t value = div->InputAt(1)->AsIntConstant()->GetValue();
-        if (value == 1 || value == 0 || value == -1) {
-          // No temp register required.
-        } else {
-          locations->AddTemp(Location::RequiresRegister());
-          if (!IsPowerOfTwo(AbsOrMin(value))) {
-            locations->AddTemp(Location::RequiresRegister());
-          }
-        }
-      } else if (codegen_->GetInstructionSetFeatures().HasDivideInstruction()) {
-        locations->SetInAt(0, Location::RequiresRegister());
-        locations->SetInAt(1, Location::RequiresRegister());
-        locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-      } else {
-        InvokeRuntimeCallingConvention calling_convention;
-        locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0)));
-        locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1)));
-        // Note: divmod will compute both the quotient and the remainder as the pair R0 and R1, but
-        //       we only need the former.
-        locations->SetOut(Location::RegisterLocation(R0));
-      }
-      break;
-    }
-    case Primitive::kPrimLong: {
-      InvokeRuntimeCallingConvention calling_convention;
-      locations->SetInAt(0, Location::RegisterPairLocation(
-          calling_convention.GetRegisterAt(0), calling_convention.GetRegisterAt(1)));
-      locations->SetInAt(1, Location::RegisterPairLocation(
-          calling_convention.GetRegisterAt(2), calling_convention.GetRegisterAt(3)));
-      locations->SetOut(Location::RegisterPairLocation(R0, R1));
-      break;
-    }
-    case Primitive::kPrimFloat:
-    case Primitive::kPrimDouble: {
-      locations->SetInAt(0, Location::RequiresFpuRegister());
-      locations->SetInAt(1, Location::RequiresFpuRegister());
-      locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
-      break;
-    }
-
-    default:
-      LOG(FATAL) << "Unexpected div type " << div->GetResultType();
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitDiv(HDiv* div) {
-  LocationSummary* locations = div->GetLocations();
-  Location out = locations->Out();
-  Location first = locations->InAt(0);
-  Location second = locations->InAt(1);
-
-  switch (div->GetResultType()) {
-    case Primitive::kPrimInt: {
-      if (second.IsConstant()) {
-        GenerateDivRemConstantIntegral(div);
-      } else if (codegen_->GetInstructionSetFeatures().HasDivideInstruction()) {
-        __ sdiv(out.AsRegister<Register>(),
-                first.AsRegister<Register>(),
-                second.AsRegister<Register>());
-      } else {
-        InvokeRuntimeCallingConvention calling_convention;
-        DCHECK_EQ(calling_convention.GetRegisterAt(0), first.AsRegister<Register>());
-        DCHECK_EQ(calling_convention.GetRegisterAt(1), second.AsRegister<Register>());
-        DCHECK_EQ(R0, out.AsRegister<Register>());
-
-        codegen_->InvokeRuntime(kQuickIdivmod, div, div->GetDexPc());
-        CheckEntrypointTypes<kQuickIdivmod, int32_t, int32_t, int32_t>();
-      }
-      break;
-    }
-
-    case Primitive::kPrimLong: {
-      InvokeRuntimeCallingConvention calling_convention;
-      DCHECK_EQ(calling_convention.GetRegisterAt(0), first.AsRegisterPairLow<Register>());
-      DCHECK_EQ(calling_convention.GetRegisterAt(1), first.AsRegisterPairHigh<Register>());
-      DCHECK_EQ(calling_convention.GetRegisterAt(2), second.AsRegisterPairLow<Register>());
-      DCHECK_EQ(calling_convention.GetRegisterAt(3), second.AsRegisterPairHigh<Register>());
-      DCHECK_EQ(R0, out.AsRegisterPairLow<Register>());
-      DCHECK_EQ(R1, out.AsRegisterPairHigh<Register>());
-
-      codegen_->InvokeRuntime(kQuickLdiv, div, div->GetDexPc());
-      CheckEntrypointTypes<kQuickLdiv, int64_t, int64_t, int64_t>();
-      break;
-    }
-
-    case Primitive::kPrimFloat: {
-      __ vdivs(out.AsFpuRegister<SRegister>(),
-               first.AsFpuRegister<SRegister>(),
-               second.AsFpuRegister<SRegister>());
-      break;
-    }
-
-    case Primitive::kPrimDouble: {
-      __ vdivd(FromLowSToD(out.AsFpuRegisterPairLow<SRegister>()),
-               FromLowSToD(first.AsFpuRegisterPairLow<SRegister>()),
-               FromLowSToD(second.AsFpuRegisterPairLow<SRegister>()));
-      break;
-    }
-
-    default:
-      LOG(FATAL) << "Unexpected div type " << div->GetResultType();
-  }
-}
-
-void LocationsBuilderARM::VisitRem(HRem* rem) {
-  Primitive::Type type = rem->GetResultType();
-
-  // Most remainders are implemented in the runtime.
-  LocationSummary::CallKind call_kind = LocationSummary::kCallOnMainOnly;
-  if (rem->GetResultType() == Primitive::kPrimInt && rem->InputAt(1)->IsConstant()) {
-    // sdiv will be replaced by other instruction sequence.
-    call_kind = LocationSummary::kNoCall;
-  } else if ((rem->GetResultType() == Primitive::kPrimInt)
-             && codegen_->GetInstructionSetFeatures().HasDivideInstruction()) {
-    // Have hardware divide instruction for int, do it with three instructions.
-    call_kind = LocationSummary::kNoCall;
-  }
-
-  LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(rem, call_kind);
-
-  switch (type) {
-    case Primitive::kPrimInt: {
-      if (rem->InputAt(1)->IsConstant()) {
-        locations->SetInAt(0, Location::RequiresRegister());
-        locations->SetInAt(1, Location::ConstantLocation(rem->InputAt(1)->AsConstant()));
-        locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-        int32_t value = rem->InputAt(1)->AsIntConstant()->GetValue();
-        if (value == 1 || value == 0 || value == -1) {
-          // No temp register required.
-        } else {
-          locations->AddTemp(Location::RequiresRegister());
-          if (!IsPowerOfTwo(AbsOrMin(value))) {
-            locations->AddTemp(Location::RequiresRegister());
-          }
-        }
-      } else if (codegen_->GetInstructionSetFeatures().HasDivideInstruction()) {
-        locations->SetInAt(0, Location::RequiresRegister());
-        locations->SetInAt(1, Location::RequiresRegister());
-        locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-        locations->AddTemp(Location::RequiresRegister());
-      } else {
-        InvokeRuntimeCallingConvention calling_convention;
-        locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0)));
-        locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1)));
-        // Note: divmod will compute both the quotient and the remainder as the pair R0 and R1, but
-        //       we only need the latter.
-        locations->SetOut(Location::RegisterLocation(R1));
-      }
-      break;
-    }
-    case Primitive::kPrimLong: {
-      InvokeRuntimeCallingConvention calling_convention;
-      locations->SetInAt(0, Location::RegisterPairLocation(
-          calling_convention.GetRegisterAt(0), calling_convention.GetRegisterAt(1)));
-      locations->SetInAt(1, Location::RegisterPairLocation(
-          calling_convention.GetRegisterAt(2), calling_convention.GetRegisterAt(3)));
-      // The runtime helper puts the output in R2,R3.
-      locations->SetOut(Location::RegisterPairLocation(R2, R3));
-      break;
-    }
-    case Primitive::kPrimFloat: {
-      InvokeRuntimeCallingConvention calling_convention;
-      locations->SetInAt(0, Location::FpuRegisterLocation(calling_convention.GetFpuRegisterAt(0)));
-      locations->SetInAt(1, Location::FpuRegisterLocation(calling_convention.GetFpuRegisterAt(1)));
-      locations->SetOut(Location::FpuRegisterLocation(S0));
-      break;
-    }
-
-    case Primitive::kPrimDouble: {
-      InvokeRuntimeCallingConvention calling_convention;
-      locations->SetInAt(0, Location::FpuRegisterPairLocation(
-          calling_convention.GetFpuRegisterAt(0), calling_convention.GetFpuRegisterAt(1)));
-      locations->SetInAt(1, Location::FpuRegisterPairLocation(
-          calling_convention.GetFpuRegisterAt(2), calling_convention.GetFpuRegisterAt(3)));
-      locations->SetOut(Location::Location::FpuRegisterPairLocation(S0, S1));
-      break;
-    }
-
-    default:
-      LOG(FATAL) << "Unexpected rem type " << type;
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitRem(HRem* rem) {
-  LocationSummary* locations = rem->GetLocations();
-  Location out = locations->Out();
-  Location first = locations->InAt(0);
-  Location second = locations->InAt(1);
-
-  Primitive::Type type = rem->GetResultType();
-  switch (type) {
-    case Primitive::kPrimInt: {
-        if (second.IsConstant()) {
-          GenerateDivRemConstantIntegral(rem);
-        } else if (codegen_->GetInstructionSetFeatures().HasDivideInstruction()) {
-        Register reg1 = first.AsRegister<Register>();
-        Register reg2 = second.AsRegister<Register>();
-        Register temp = locations->GetTemp(0).AsRegister<Register>();
-
-        // temp = reg1 / reg2  (integer division)
-        // dest = reg1 - temp * reg2
-        __ sdiv(temp, reg1, reg2);
-        __ mls(out.AsRegister<Register>(), temp, reg2, reg1);
-      } else {
-        InvokeRuntimeCallingConvention calling_convention;
-        DCHECK_EQ(calling_convention.GetRegisterAt(0), first.AsRegister<Register>());
-        DCHECK_EQ(calling_convention.GetRegisterAt(1), second.AsRegister<Register>());
-        DCHECK_EQ(R1, out.AsRegister<Register>());
-
-        codegen_->InvokeRuntime(kQuickIdivmod, rem, rem->GetDexPc());
-        CheckEntrypointTypes<kQuickIdivmod, int32_t, int32_t, int32_t>();
-      }
-      break;
-    }
-
-    case Primitive::kPrimLong: {
-      codegen_->InvokeRuntime(kQuickLmod, rem, rem->GetDexPc());
-        CheckEntrypointTypes<kQuickLmod, int64_t, int64_t, int64_t>();
-      break;
-    }
-
-    case Primitive::kPrimFloat: {
-      codegen_->InvokeRuntime(kQuickFmodf, rem, rem->GetDexPc());
-      CheckEntrypointTypes<kQuickFmodf, float, float, float>();
-      break;
-    }
-
-    case Primitive::kPrimDouble: {
-      codegen_->InvokeRuntime(kQuickFmod, rem, rem->GetDexPc());
-      CheckEntrypointTypes<kQuickFmod, double, double, double>();
-      break;
-    }
-
-    default:
-      LOG(FATAL) << "Unexpected rem type " << type;
-  }
-}
-
-void LocationsBuilderARM::VisitDivZeroCheck(HDivZeroCheck* instruction) {
-  LocationSummary* locations = codegen_->CreateThrowingSlowPathLocations(instruction);
-  locations->SetInAt(0, Location::RegisterOrConstant(instruction->InputAt(0)));
-}
-
-void InstructionCodeGeneratorARM::VisitDivZeroCheck(HDivZeroCheck* instruction) {
-  SlowPathCodeARM* slow_path = new (GetGraph()->GetArena()) DivZeroCheckSlowPathARM(instruction);
-  codegen_->AddSlowPath(slow_path);
-
-  LocationSummary* locations = instruction->GetLocations();
-  Location value = locations->InAt(0);
-
-  switch (instruction->GetType()) {
-    case Primitive::kPrimBoolean:
-    case Primitive::kPrimByte:
-    case Primitive::kPrimChar:
-    case Primitive::kPrimShort:
-    case Primitive::kPrimInt: {
-      if (value.IsRegister()) {
-        __ CompareAndBranchIfZero(value.AsRegister<Register>(), slow_path->GetEntryLabel());
-      } else {
-        DCHECK(value.IsConstant()) << value;
-        if (value.GetConstant()->AsIntConstant()->GetValue() == 0) {
-          __ b(slow_path->GetEntryLabel());
-        }
-      }
-      break;
-    }
-    case Primitive::kPrimLong: {
-      if (value.IsRegisterPair()) {
-        __ orrs(IP,
-                value.AsRegisterPairLow<Register>(),
-                ShifterOperand(value.AsRegisterPairHigh<Register>()));
-        __ b(slow_path->GetEntryLabel(), EQ);
-      } else {
-        DCHECK(value.IsConstant()) << value;
-        if (value.GetConstant()->AsLongConstant()->GetValue() == 0) {
-          __ b(slow_path->GetEntryLabel());
-        }
-      }
-      break;
-    default:
-      LOG(FATAL) << "Unexpected type for HDivZeroCheck " << instruction->GetType();
-    }
-  }
-}
-
-void InstructionCodeGeneratorARM::HandleIntegerRotate(LocationSummary* locations) {
-  Register in = locations->InAt(0).AsRegister<Register>();
-  Location rhs = locations->InAt(1);
-  Register out = locations->Out().AsRegister<Register>();
-
-  if (rhs.IsConstant()) {
-    // Arm32 and Thumb2 assemblers require a rotation on the interval [1,31],
-    // so map all rotations to a +ve. equivalent in that range.
-    // (e.g. left *or* right by -2 bits == 30 bits in the same direction.)
-    uint32_t rot = CodeGenerator::GetInt32ValueOf(rhs.GetConstant()) & 0x1F;
-    if (rot) {
-      // Rotate, mapping left rotations to right equivalents if necessary.
-      // (e.g. left by 2 bits == right by 30.)
-      __ Ror(out, in, rot);
-    } else if (out != in) {
-      __ Mov(out, in);
-    }
-  } else {
-    __ Ror(out, in, rhs.AsRegister<Register>());
-  }
-}
-
-// Gain some speed by mapping all Long rotates onto equivalent pairs of Integer
-// rotates by swapping input regs (effectively rotating by the first 32-bits of
-// a larger rotation) or flipping direction (thus treating larger right/left
-// rotations as sub-word sized rotations in the other direction) as appropriate.
-void InstructionCodeGeneratorARM::HandleLongRotate(HRor* ror) {
-  LocationSummary* locations = ror->GetLocations();
-  Register in_reg_lo = locations->InAt(0).AsRegisterPairLow<Register>();
-  Register in_reg_hi = locations->InAt(0).AsRegisterPairHigh<Register>();
-  Location rhs = locations->InAt(1);
-  Register out_reg_lo = locations->Out().AsRegisterPairLow<Register>();
-  Register out_reg_hi = locations->Out().AsRegisterPairHigh<Register>();
-
-  if (rhs.IsConstant()) {
-    uint64_t rot = CodeGenerator::GetInt64ValueOf(rhs.GetConstant());
-    // Map all rotations to +ve. equivalents on the interval [0,63].
-    rot &= kMaxLongShiftDistance;
-    // For rotates over a word in size, 'pre-rotate' by 32-bits to keep rotate
-    // logic below to a simple pair of binary orr.
-    // (e.g. 34 bits == in_reg swap + 2 bits right.)
-    if (rot >= kArmBitsPerWord) {
-      rot -= kArmBitsPerWord;
-      std::swap(in_reg_hi, in_reg_lo);
-    }
-    // Rotate, or mov to out for zero or word size rotations.
-    if (rot != 0u) {
-      __ Lsr(out_reg_hi, in_reg_hi, rot);
-      __ orr(out_reg_hi, out_reg_hi, ShifterOperand(in_reg_lo, arm::LSL, kArmBitsPerWord - rot));
-      __ Lsr(out_reg_lo, in_reg_lo, rot);
-      __ orr(out_reg_lo, out_reg_lo, ShifterOperand(in_reg_hi, arm::LSL, kArmBitsPerWord - rot));
-    } else {
-      __ Mov(out_reg_lo, in_reg_lo);
-      __ Mov(out_reg_hi, in_reg_hi);
-    }
-  } else {
-    Register shift_right = locations->GetTemp(0).AsRegister<Register>();
-    Register shift_left = locations->GetTemp(1).AsRegister<Register>();
-    Label end;
-    Label shift_by_32_plus_shift_right;
-    Label* final_label = codegen_->GetFinalLabel(ror, &end);
-
-    __ and_(shift_right, rhs.AsRegister<Register>(), ShifterOperand(0x1F));
-    __ Lsrs(shift_left, rhs.AsRegister<Register>(), 6);
-    __ rsb(shift_left, shift_right, ShifterOperand(kArmBitsPerWord), AL, kCcKeep);
-    __ b(&shift_by_32_plus_shift_right, CC);
-
-    // out_reg_hi = (reg_hi << shift_left) | (reg_lo >> shift_right).
-    // out_reg_lo = (reg_lo << shift_left) | (reg_hi >> shift_right).
-    __ Lsl(out_reg_hi, in_reg_hi, shift_left);
-    __ Lsr(out_reg_lo, in_reg_lo, shift_right);
-    __ add(out_reg_hi, out_reg_hi, ShifterOperand(out_reg_lo));
-    __ Lsl(out_reg_lo, in_reg_lo, shift_left);
-    __ Lsr(shift_left, in_reg_hi, shift_right);
-    __ add(out_reg_lo, out_reg_lo, ShifterOperand(shift_left));
-    __ b(final_label);
-
-    __ Bind(&shift_by_32_plus_shift_right);  // Shift by 32+shift_right.
-    // out_reg_hi = (reg_hi >> shift_right) | (reg_lo << shift_left).
-    // out_reg_lo = (reg_lo >> shift_right) | (reg_hi << shift_left).
-    __ Lsr(out_reg_hi, in_reg_hi, shift_right);
-    __ Lsl(out_reg_lo, in_reg_lo, shift_left);
-    __ add(out_reg_hi, out_reg_hi, ShifterOperand(out_reg_lo));
-    __ Lsr(out_reg_lo, in_reg_lo, shift_right);
-    __ Lsl(shift_right, in_reg_hi, shift_left);
-    __ add(out_reg_lo, out_reg_lo, ShifterOperand(shift_right));
-
-    if (end.IsLinked()) {
-      __ Bind(&end);
-    }
-  }
-}
-
-void LocationsBuilderARM::VisitRor(HRor* ror) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(ror, LocationSummary::kNoCall);
-  switch (ror->GetResultType()) {
-    case Primitive::kPrimInt: {
-      locations->SetInAt(0, Location::RequiresRegister());
-      locations->SetInAt(1, Location::RegisterOrConstant(ror->InputAt(1)));
-      locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-      break;
-    }
-    case Primitive::kPrimLong: {
-      locations->SetInAt(0, Location::RequiresRegister());
-      if (ror->InputAt(1)->IsConstant()) {
-        locations->SetInAt(1, Location::ConstantLocation(ror->InputAt(1)->AsConstant()));
-      } else {
-        locations->SetInAt(1, Location::RequiresRegister());
-        locations->AddTemp(Location::RequiresRegister());
-        locations->AddTemp(Location::RequiresRegister());
-      }
-      locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap);
-      break;
-    }
-    default:
-      LOG(FATAL) << "Unexpected operation type " << ror->GetResultType();
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitRor(HRor* ror) {
-  LocationSummary* locations = ror->GetLocations();
-  Primitive::Type type = ror->GetResultType();
-  switch (type) {
-    case Primitive::kPrimInt: {
-      HandleIntegerRotate(locations);
-      break;
-    }
-    case Primitive::kPrimLong: {
-      HandleLongRotate(ror);
-      break;
-    }
-    default:
-      LOG(FATAL) << "Unexpected operation type " << type;
-      UNREACHABLE();
-  }
-}
-
-void LocationsBuilderARM::HandleShift(HBinaryOperation* op) {
-  DCHECK(op->IsShl() || op->IsShr() || op->IsUShr());
-
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(op, LocationSummary::kNoCall);
-
-  switch (op->GetResultType()) {
-    case Primitive::kPrimInt: {
-      locations->SetInAt(0, Location::RequiresRegister());
-      if (op->InputAt(1)->IsConstant()) {
-        locations->SetInAt(1, Location::ConstantLocation(op->InputAt(1)->AsConstant()));
-        locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-      } else {
-        locations->SetInAt(1, Location::RequiresRegister());
-        // Make the output overlap, as it will be used to hold the masked
-        // second input.
-        locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap);
-      }
-      break;
-    }
-    case Primitive::kPrimLong: {
-      locations->SetInAt(0, Location::RequiresRegister());
-      if (op->InputAt(1)->IsConstant()) {
-        locations->SetInAt(1, Location::ConstantLocation(op->InputAt(1)->AsConstant()));
-        // For simplicity, use kOutputOverlap even though we only require that low registers
-        // don't clash with high registers which the register allocator currently guarantees.
-        locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap);
-      } else {
-        locations->SetInAt(1, Location::RequiresRegister());
-        locations->AddTemp(Location::RequiresRegister());
-        locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap);
-      }
-      break;
-    }
-    default:
-      LOG(FATAL) << "Unexpected operation type " << op->GetResultType();
-  }
-}
-
-void InstructionCodeGeneratorARM::HandleShift(HBinaryOperation* op) {
-  DCHECK(op->IsShl() || op->IsShr() || op->IsUShr());
-
-  LocationSummary* locations = op->GetLocations();
-  Location out = locations->Out();
-  Location first = locations->InAt(0);
-  Location second = locations->InAt(1);
-
-  Primitive::Type type = op->GetResultType();
-  switch (type) {
-    case Primitive::kPrimInt: {
-      Register out_reg = out.AsRegister<Register>();
-      Register first_reg = first.AsRegister<Register>();
-      if (second.IsRegister()) {
-        Register second_reg = second.AsRegister<Register>();
-        // ARM doesn't mask the shift count so we need to do it ourselves.
-        __ and_(out_reg, second_reg, ShifterOperand(kMaxIntShiftDistance));
-        if (op->IsShl()) {
-          __ Lsl(out_reg, first_reg, out_reg);
-        } else if (op->IsShr()) {
-          __ Asr(out_reg, first_reg, out_reg);
-        } else {
-          __ Lsr(out_reg, first_reg, out_reg);
-        }
-      } else {
-        int32_t cst = second.GetConstant()->AsIntConstant()->GetValue();
-        uint32_t shift_value = cst & kMaxIntShiftDistance;
-        if (shift_value == 0) {  // ARM does not support shifting with 0 immediate.
-          __ Mov(out_reg, first_reg);
-        } else if (op->IsShl()) {
-          __ Lsl(out_reg, first_reg, shift_value);
-        } else if (op->IsShr()) {
-          __ Asr(out_reg, first_reg, shift_value);
-        } else {
-          __ Lsr(out_reg, first_reg, shift_value);
-        }
-      }
-      break;
-    }
-    case Primitive::kPrimLong: {
-      Register o_h = out.AsRegisterPairHigh<Register>();
-      Register o_l = out.AsRegisterPairLow<Register>();
-
-      Register high = first.AsRegisterPairHigh<Register>();
-      Register low = first.AsRegisterPairLow<Register>();
-
-      if (second.IsRegister()) {
-        Register temp = locations->GetTemp(0).AsRegister<Register>();
-
-        Register second_reg = second.AsRegister<Register>();
-
-        if (op->IsShl()) {
-          __ and_(o_l, second_reg, ShifterOperand(kMaxLongShiftDistance));
-          // Shift the high part
-          __ Lsl(o_h, high, o_l);
-          // Shift the low part and `or` what overflew on the high part
-          __ rsb(temp, o_l, ShifterOperand(kArmBitsPerWord));
-          __ Lsr(temp, low, temp);
-          __ orr(o_h, o_h, ShifterOperand(temp));
-          // If the shift is > 32 bits, override the high part
-          __ subs(temp, o_l, ShifterOperand(kArmBitsPerWord));
-          __ it(PL);
-          __ Lsl(o_h, low, temp, PL);
-          // Shift the low part
-          __ Lsl(o_l, low, o_l);
-        } else if (op->IsShr()) {
-          __ and_(o_h, second_reg, ShifterOperand(kMaxLongShiftDistance));
-          // Shift the low part
-          __ Lsr(o_l, low, o_h);
-          // Shift the high part and `or` what underflew on the low part
-          __ rsb(temp, o_h, ShifterOperand(kArmBitsPerWord));
-          __ Lsl(temp, high, temp);
-          __ orr(o_l, o_l, ShifterOperand(temp));
-          // If the shift is > 32 bits, override the low part
-          __ subs(temp, o_h, ShifterOperand(kArmBitsPerWord));
-          __ it(PL);
-          __ Asr(o_l, high, temp, PL);
-          // Shift the high part
-          __ Asr(o_h, high, o_h);
-        } else {
-          __ and_(o_h, second_reg, ShifterOperand(kMaxLongShiftDistance));
-          // same as Shr except we use `Lsr`s and not `Asr`s
-          __ Lsr(o_l, low, o_h);
-          __ rsb(temp, o_h, ShifterOperand(kArmBitsPerWord));
-          __ Lsl(temp, high, temp);
-          __ orr(o_l, o_l, ShifterOperand(temp));
-          __ subs(temp, o_h, ShifterOperand(kArmBitsPerWord));
-          __ it(PL);
-          __ Lsr(o_l, high, temp, PL);
-          __ Lsr(o_h, high, o_h);
-        }
-      } else {
-        // Register allocator doesn't create partial overlap.
-        DCHECK_NE(o_l, high);
-        DCHECK_NE(o_h, low);
-        int32_t cst = second.GetConstant()->AsIntConstant()->GetValue();
-        uint32_t shift_value = cst & kMaxLongShiftDistance;
-        if (shift_value > 32) {
-          if (op->IsShl()) {
-            __ Lsl(o_h, low, shift_value - 32);
-            __ LoadImmediate(o_l, 0);
-          } else if (op->IsShr()) {
-            __ Asr(o_l, high, shift_value - 32);
-            __ Asr(o_h, high, 31);
-          } else {
-            __ Lsr(o_l, high, shift_value - 32);
-            __ LoadImmediate(o_h, 0);
-          }
-        } else if (shift_value == 32) {
-          if (op->IsShl()) {
-            __ mov(o_h, ShifterOperand(low));
-            __ LoadImmediate(o_l, 0);
-          } else if (op->IsShr()) {
-            __ mov(o_l, ShifterOperand(high));
-            __ Asr(o_h, high, 31);
-          } else {
-            __ mov(o_l, ShifterOperand(high));
-            __ LoadImmediate(o_h, 0);
-          }
-        } else if (shift_value == 1) {
-          if (op->IsShl()) {
-            __ Lsls(o_l, low, 1);
-            __ adc(o_h, high, ShifterOperand(high));
-          } else if (op->IsShr()) {
-            __ Asrs(o_h, high, 1);
-            __ Rrx(o_l, low);
-          } else {
-            __ Lsrs(o_h, high, 1);
-            __ Rrx(o_l, low);
-          }
-        } else {
-          DCHECK(2 <= shift_value && shift_value < 32) << shift_value;
-          if (op->IsShl()) {
-            __ Lsl(o_h, high, shift_value);
-            __ orr(o_h, o_h, ShifterOperand(low, LSR, 32 - shift_value));
-            __ Lsl(o_l, low, shift_value);
-          } else if (op->IsShr()) {
-            __ Lsr(o_l, low, shift_value);
-            __ orr(o_l, o_l, ShifterOperand(high, LSL, 32 - shift_value));
-            __ Asr(o_h, high, shift_value);
-          } else {
-            __ Lsr(o_l, low, shift_value);
-            __ orr(o_l, o_l, ShifterOperand(high, LSL, 32 - shift_value));
-            __ Lsr(o_h, high, shift_value);
-          }
-        }
-      }
-      break;
-    }
-    default:
-      LOG(FATAL) << "Unexpected operation type " << type;
-      UNREACHABLE();
-  }
-}
-
-void LocationsBuilderARM::VisitShl(HShl* shl) {
-  HandleShift(shl);
-}
-
-void InstructionCodeGeneratorARM::VisitShl(HShl* shl) {
-  HandleShift(shl);
-}
-
-void LocationsBuilderARM::VisitShr(HShr* shr) {
-  HandleShift(shr);
-}
-
-void InstructionCodeGeneratorARM::VisitShr(HShr* shr) {
-  HandleShift(shr);
-}
-
-void LocationsBuilderARM::VisitUShr(HUShr* ushr) {
-  HandleShift(ushr);
-}
-
-void InstructionCodeGeneratorARM::VisitUShr(HUShr* ushr) {
-  HandleShift(ushr);
-}
-
-void LocationsBuilderARM::VisitNewInstance(HNewInstance* instruction) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCallOnMainOnly);
-  if (instruction->IsStringAlloc()) {
-    locations->AddTemp(Location::RegisterLocation(kMethodRegisterArgument));
-  } else {
-    InvokeRuntimeCallingConvention calling_convention;
-    locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0)));
-  }
-  locations->SetOut(Location::RegisterLocation(R0));
-}
-
-void InstructionCodeGeneratorARM::VisitNewInstance(HNewInstance* instruction) {
-  // Note: if heap poisoning is enabled, the entry point takes cares
-  // of poisoning the reference.
-  if (instruction->IsStringAlloc()) {
-    // String is allocated through StringFactory. Call NewEmptyString entry point.
-    Register temp = instruction->GetLocations()->GetTemp(0).AsRegister<Register>();
-    MemberOffset code_offset = ArtMethod::EntryPointFromQuickCompiledCodeOffset(kArmPointerSize);
-    __ LoadFromOffset(kLoadWord, temp, TR, QUICK_ENTRY_POINT(pNewEmptyString));
-    __ LoadFromOffset(kLoadWord, LR, temp, code_offset.Int32Value());
-    __ blx(LR);
-    codegen_->RecordPcInfo(instruction, instruction->GetDexPc());
-  } else {
-    codegen_->InvokeRuntime(instruction->GetEntrypoint(), instruction, instruction->GetDexPc());
-    CheckEntrypointTypes<kQuickAllocObjectWithChecks, void*, mirror::Class*>();
-  }
-}
-
-void LocationsBuilderARM::VisitNewArray(HNewArray* instruction) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCallOnMainOnly);
-  InvokeRuntimeCallingConvention calling_convention;
-  locations->SetOut(Location::RegisterLocation(R0));
-  locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0)));
-  locations->SetInAt(1, Location::RegisterLocation(calling_convention.GetRegisterAt(1)));
-}
-
-void InstructionCodeGeneratorARM::VisitNewArray(HNewArray* instruction) {
-  // Note: if heap poisoning is enabled, the entry point takes cares
-  // of poisoning the reference.
-  QuickEntrypointEnum entrypoint =
-      CodeGenerator::GetArrayAllocationEntrypoint(instruction->GetLoadClass()->GetClass());
-  codegen_->InvokeRuntime(entrypoint, instruction, instruction->GetDexPc());
-  CheckEntrypointTypes<kQuickAllocArrayResolved, void*, mirror::Class*, int32_t>();
-  DCHECK(!codegen_->IsLeafMethod());
-}
-
-void LocationsBuilderARM::VisitParameterValue(HParameterValue* instruction) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
-  Location location = parameter_visitor_.GetNextLocation(instruction->GetType());
-  if (location.IsStackSlot()) {
-    location = Location::StackSlot(location.GetStackIndex() + codegen_->GetFrameSize());
-  } else if (location.IsDoubleStackSlot()) {
-    location = Location::DoubleStackSlot(location.GetStackIndex() + codegen_->GetFrameSize());
-  }
-  locations->SetOut(location);
-}
-
-void InstructionCodeGeneratorARM::VisitParameterValue(
-    HParameterValue* instruction ATTRIBUTE_UNUSED) {
-  // Nothing to do, the parameter is already at its location.
-}
-
-void LocationsBuilderARM::VisitCurrentMethod(HCurrentMethod* instruction) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
-  locations->SetOut(Location::RegisterLocation(kMethodRegisterArgument));
-}
-
-void InstructionCodeGeneratorARM::VisitCurrentMethod(HCurrentMethod* instruction ATTRIBUTE_UNUSED) {
-  // Nothing to do, the method is already at its location.
-}
-
-void LocationsBuilderARM::VisitNot(HNot* not_) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(not_, LocationSummary::kNoCall);
-  locations->SetInAt(0, Location::RequiresRegister());
-  locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-}
-
-void InstructionCodeGeneratorARM::VisitNot(HNot* not_) {
-  LocationSummary* locations = not_->GetLocations();
-  Location out = locations->Out();
-  Location in = locations->InAt(0);
-  switch (not_->GetResultType()) {
-    case Primitive::kPrimInt:
-      __ mvn(out.AsRegister<Register>(), ShifterOperand(in.AsRegister<Register>()));
-      break;
-
-    case Primitive::kPrimLong:
-      __ mvn(out.AsRegisterPairLow<Register>(),
-             ShifterOperand(in.AsRegisterPairLow<Register>()));
-      __ mvn(out.AsRegisterPairHigh<Register>(),
-             ShifterOperand(in.AsRegisterPairHigh<Register>()));
-      break;
-
-    default:
-      LOG(FATAL) << "Unimplemented type for not operation " << not_->GetResultType();
-  }
-}
-
-void LocationsBuilderARM::VisitBooleanNot(HBooleanNot* bool_not) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(bool_not, LocationSummary::kNoCall);
-  locations->SetInAt(0, Location::RequiresRegister());
-  locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-}
-
-void InstructionCodeGeneratorARM::VisitBooleanNot(HBooleanNot* bool_not) {
-  LocationSummary* locations = bool_not->GetLocations();
-  Location out = locations->Out();
-  Location in = locations->InAt(0);
-  __ eor(out.AsRegister<Register>(), in.AsRegister<Register>(), ShifterOperand(1));
-}
-
-void LocationsBuilderARM::VisitCompare(HCompare* compare) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(compare, LocationSummary::kNoCall);
-  switch (compare->InputAt(0)->GetType()) {
-    case Primitive::kPrimBoolean:
-    case Primitive::kPrimByte:
-    case Primitive::kPrimShort:
-    case Primitive::kPrimChar:
-    case Primitive::kPrimInt:
-    case Primitive::kPrimLong: {
-      locations->SetInAt(0, Location::RequiresRegister());
-      locations->SetInAt(1, Location::RequiresRegister());
-      // Output overlaps because it is written before doing the low comparison.
-      locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap);
-      break;
-    }
-    case Primitive::kPrimFloat:
-    case Primitive::kPrimDouble: {
-      locations->SetInAt(0, Location::RequiresFpuRegister());
-      locations->SetInAt(1, ArithmeticZeroOrFpuRegister(compare->InputAt(1)));
-      locations->SetOut(Location::RequiresRegister());
-      break;
-    }
-    default:
-      LOG(FATAL) << "Unexpected type for compare operation " << compare->InputAt(0)->GetType();
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitCompare(HCompare* compare) {
-  LocationSummary* locations = compare->GetLocations();
-  Register out = locations->Out().AsRegister<Register>();
-  Location left = locations->InAt(0);
-  Location right = locations->InAt(1);
-
-  Label less, greater, done;
-  Label* final_label = codegen_->GetFinalLabel(compare, &done);
-  Primitive::Type type = compare->InputAt(0)->GetType();
-  Condition less_cond;
-  switch (type) {
-    case Primitive::kPrimBoolean:
-    case Primitive::kPrimByte:
-    case Primitive::kPrimShort:
-    case Primitive::kPrimChar:
-    case Primitive::kPrimInt: {
-      __ LoadImmediate(out, 0);
-      __ cmp(left.AsRegister<Register>(),
-             ShifterOperand(right.AsRegister<Register>()));  // Signed compare.
-      less_cond = LT;
-      break;
-    }
-    case Primitive::kPrimLong: {
-      __ cmp(left.AsRegisterPairHigh<Register>(),
-             ShifterOperand(right.AsRegisterPairHigh<Register>()));  // Signed compare.
-      __ b(&less, LT);
-      __ b(&greater, GT);
-      // Do LoadImmediate before the last `cmp`, as LoadImmediate might affect the status flags.
-      __ LoadImmediate(out, 0);
-      __ cmp(left.AsRegisterPairLow<Register>(),
-             ShifterOperand(right.AsRegisterPairLow<Register>()));  // Unsigned compare.
-      less_cond = LO;
-      break;
-    }
-    case Primitive::kPrimFloat:
-    case Primitive::kPrimDouble: {
-      __ LoadImmediate(out, 0);
-      GenerateVcmp(compare, codegen_);
-      __ vmstat();  // transfer FP status register to ARM APSR.
-      less_cond = ARMFPCondition(kCondLT, compare->IsGtBias());
-      break;
-    }
-    default:
-      LOG(FATAL) << "Unexpected compare type " << type;
-      UNREACHABLE();
-  }
-
-  __ b(final_label, EQ);
-  __ b(&less, less_cond);
-
-  __ Bind(&greater);
-  __ LoadImmediate(out, 1);
-  __ b(final_label);
-
-  __ Bind(&less);
-  __ LoadImmediate(out, -1);
-
-  if (done.IsLinked()) {
-    __ Bind(&done);
-  }
-}
-
-void LocationsBuilderARM::VisitPhi(HPhi* instruction) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
-  for (size_t i = 0, e = locations->GetInputCount(); i < e; ++i) {
-    locations->SetInAt(i, Location::Any());
-  }
-  locations->SetOut(Location::Any());
-}
-
-void InstructionCodeGeneratorARM::VisitPhi(HPhi* instruction ATTRIBUTE_UNUSED) {
-  LOG(FATAL) << "Unreachable";
-}
-
-void CodeGeneratorARM::GenerateMemoryBarrier(MemBarrierKind kind) {
-  // TODO (ported from quick): revisit ARM barrier kinds.
-  DmbOptions flavor = DmbOptions::ISH;  // Quiet C++ warnings.
-  switch (kind) {
-    case MemBarrierKind::kAnyStore:
-    case MemBarrierKind::kLoadAny:
-    case MemBarrierKind::kAnyAny: {
-      flavor = DmbOptions::ISH;
-      break;
-    }
-    case MemBarrierKind::kStoreStore: {
-      flavor = DmbOptions::ISHST;
-      break;
-    }
-    default:
-      LOG(FATAL) << "Unexpected memory barrier " << kind;
-  }
-  __ dmb(flavor);
-}
-
-void InstructionCodeGeneratorARM::GenerateWideAtomicLoad(Register addr,
-                                                         uint32_t offset,
-                                                         Register out_lo,
-                                                         Register out_hi) {
-  if (offset != 0) {
-    // Ensure `out_lo` is different from `addr`, so that loading
-    // `offset` into `out_lo` does not clutter `addr`.
-    DCHECK_NE(out_lo, addr);
-    __ LoadImmediate(out_lo, offset);
-    __ add(IP, addr, ShifterOperand(out_lo));
-    addr = IP;
-  }
-  __ ldrexd(out_lo, out_hi, addr);
-}
-
-void InstructionCodeGeneratorARM::GenerateWideAtomicStore(Register addr,
-                                                          uint32_t offset,
-                                                          Register value_lo,
-                                                          Register value_hi,
-                                                          Register temp1,
-                                                          Register temp2,
-                                                          HInstruction* instruction) {
-  Label fail;
-  if (offset != 0) {
-    __ LoadImmediate(temp1, offset);
-    __ add(IP, addr, ShifterOperand(temp1));
-    addr = IP;
-  }
-  __ Bind(&fail);
-  // We need a load followed by store. (The address used in a STREX instruction must
-  // be the same as the address in the most recently executed LDREX instruction.)
-  __ ldrexd(temp1, temp2, addr);
-  codegen_->MaybeRecordImplicitNullCheck(instruction);
-  __ strexd(temp1, value_lo, value_hi, addr);
-  __ CompareAndBranchIfNonZero(temp1, &fail);
-}
-
-void LocationsBuilderARM::HandleFieldSet(HInstruction* instruction, const FieldInfo& field_info) {
-  DCHECK(instruction->IsInstanceFieldSet() || instruction->IsStaticFieldSet());
-
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
-  locations->SetInAt(0, Location::RequiresRegister());
-
-  Primitive::Type field_type = field_info.GetFieldType();
-  if (Primitive::IsFloatingPointType(field_type)) {
-    locations->SetInAt(1, Location::RequiresFpuRegister());
-  } else {
-    locations->SetInAt(1, Location::RequiresRegister());
-  }
-
-  bool is_wide = field_type == Primitive::kPrimLong || field_type == Primitive::kPrimDouble;
-  bool generate_volatile = field_info.IsVolatile()
-      && is_wide
-      && !codegen_->GetInstructionSetFeatures().HasAtomicLdrdAndStrd();
-  bool needs_write_barrier =
-      CodeGenerator::StoreNeedsWriteBarrier(field_type, instruction->InputAt(1));
-  // Temporary registers for the write barrier.
-  // TODO: consider renaming StoreNeedsWriteBarrier to StoreNeedsGCMark.
-  if (needs_write_barrier) {
-    locations->AddTemp(Location::RequiresRegister());  // Possibly used for reference poisoning too.
-    locations->AddTemp(Location::RequiresRegister());
-  } else if (generate_volatile) {
-    // ARM encoding have some additional constraints for ldrexd/strexd:
-    // - registers need to be consecutive
-    // - the first register should be even but not R14.
-    // We don't test for ARM yet, and the assertion makes sure that we
-    // revisit this if we ever enable ARM encoding.
-    DCHECK_EQ(InstructionSet::kThumb2, codegen_->GetInstructionSet());
-
-    locations->AddTemp(Location::RequiresRegister());
-    locations->AddTemp(Location::RequiresRegister());
-    if (field_type == Primitive::kPrimDouble) {
-      // For doubles we need two more registers to copy the value.
-      locations->AddTemp(Location::RegisterLocation(R2));
-      locations->AddTemp(Location::RegisterLocation(R3));
-    }
-  }
-}
-
-void InstructionCodeGeneratorARM::HandleFieldSet(HInstruction* instruction,
-                                                 const FieldInfo& field_info,
-                                                 bool value_can_be_null) {
-  DCHECK(instruction->IsInstanceFieldSet() || instruction->IsStaticFieldSet());
-
-  LocationSummary* locations = instruction->GetLocations();
-  Register base = locations->InAt(0).AsRegister<Register>();
-  Location value = locations->InAt(1);
-
-  bool is_volatile = field_info.IsVolatile();
-  bool atomic_ldrd_strd = codegen_->GetInstructionSetFeatures().HasAtomicLdrdAndStrd();
-  Primitive::Type field_type = field_info.GetFieldType();
-  uint32_t offset = field_info.GetFieldOffset().Uint32Value();
-  bool needs_write_barrier =
-      CodeGenerator::StoreNeedsWriteBarrier(field_type, instruction->InputAt(1));
-
-  if (is_volatile) {
-    codegen_->GenerateMemoryBarrier(MemBarrierKind::kAnyStore);
-  }
-
-  switch (field_type) {
-    case Primitive::kPrimBoolean:
-    case Primitive::kPrimByte: {
-      __ StoreToOffset(kStoreByte, value.AsRegister<Register>(), base, offset);
-      break;
-    }
-
-    case Primitive::kPrimShort:
-    case Primitive::kPrimChar: {
-      __ StoreToOffset(kStoreHalfword, value.AsRegister<Register>(), base, offset);
-      break;
-    }
-
-    case Primitive::kPrimInt:
-    case Primitive::kPrimNot: {
-      if (kPoisonHeapReferences && needs_write_barrier) {
-        // Note that in the case where `value` is a null reference,
-        // we do not enter this block, as a null reference does not
-        // need poisoning.
-        DCHECK_EQ(field_type, Primitive::kPrimNot);
-        Register temp = locations->GetTemp(0).AsRegister<Register>();
-        __ Mov(temp, value.AsRegister<Register>());
-        __ PoisonHeapReference(temp);
-        __ StoreToOffset(kStoreWord, temp, base, offset);
-      } else {
-        __ StoreToOffset(kStoreWord, value.AsRegister<Register>(), base, offset);
-      }
-      break;
-    }
-
-    case Primitive::kPrimLong: {
-      if (is_volatile && !atomic_ldrd_strd) {
-        GenerateWideAtomicStore(base, offset,
-                                value.AsRegisterPairLow<Register>(),
-                                value.AsRegisterPairHigh<Register>(),
-                                locations->GetTemp(0).AsRegister<Register>(),
-                                locations->GetTemp(1).AsRegister<Register>(),
-                                instruction);
-      } else {
-        __ StoreToOffset(kStoreWordPair, value.AsRegisterPairLow<Register>(), base, offset);
-        codegen_->MaybeRecordImplicitNullCheck(instruction);
-      }
-      break;
-    }
-
-    case Primitive::kPrimFloat: {
-      __ StoreSToOffset(value.AsFpuRegister<SRegister>(), base, offset);
-      break;
-    }
-
-    case Primitive::kPrimDouble: {
-      DRegister value_reg = FromLowSToD(value.AsFpuRegisterPairLow<SRegister>());
-      if (is_volatile && !atomic_ldrd_strd) {
-        Register value_reg_lo = locations->GetTemp(0).AsRegister<Register>();
-        Register value_reg_hi = locations->GetTemp(1).AsRegister<Register>();
-
-        __ vmovrrd(value_reg_lo, value_reg_hi, value_reg);
-
-        GenerateWideAtomicStore(base, offset,
-                                value_reg_lo,
-                                value_reg_hi,
-                                locations->GetTemp(2).AsRegister<Register>(),
-                                locations->GetTemp(3).AsRegister<Register>(),
-                                instruction);
-      } else {
-        __ StoreDToOffset(value_reg, base, offset);
-        codegen_->MaybeRecordImplicitNullCheck(instruction);
-      }
-      break;
-    }
-
-    case Primitive::kPrimVoid:
-      LOG(FATAL) << "Unreachable type " << field_type;
-      UNREACHABLE();
-  }
-
-  // Longs and doubles are handled in the switch.
-  if (field_type != Primitive::kPrimLong && field_type != Primitive::kPrimDouble) {
-    codegen_->MaybeRecordImplicitNullCheck(instruction);
-  }
-
-  if (CodeGenerator::StoreNeedsWriteBarrier(field_type, instruction->InputAt(1))) {
-    Register temp = locations->GetTemp(0).AsRegister<Register>();
-    Register card = locations->GetTemp(1).AsRegister<Register>();
-    codegen_->MarkGCCard(
-        temp, card, base, value.AsRegister<Register>(), value_can_be_null);
-  }
-
-  if (is_volatile) {
-    codegen_->GenerateMemoryBarrier(MemBarrierKind::kAnyAny);
-  }
-}
-
-void LocationsBuilderARM::HandleFieldGet(HInstruction* instruction, const FieldInfo& field_info) {
-  DCHECK(instruction->IsInstanceFieldGet() || instruction->IsStaticFieldGet());
-
-  bool object_field_get_with_read_barrier =
-      kEmitCompilerReadBarrier && (field_info.GetFieldType() == Primitive::kPrimNot);
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction,
-                                                   object_field_get_with_read_barrier ?
-                                                       LocationSummary::kCallOnSlowPath :
-                                                       LocationSummary::kNoCall);
-  if (object_field_get_with_read_barrier && kUseBakerReadBarrier) {
-    locations->SetCustomSlowPathCallerSaves(RegisterSet::Empty());  // No caller-save registers.
-  }
-  locations->SetInAt(0, Location::RequiresRegister());
-
-  bool volatile_for_double = field_info.IsVolatile()
-      && (field_info.GetFieldType() == Primitive::kPrimDouble)
-      && !codegen_->GetInstructionSetFeatures().HasAtomicLdrdAndStrd();
-  // The output overlaps in case of volatile long: we don't want the
-  // code generated by GenerateWideAtomicLoad to overwrite the
-  // object's location.  Likewise, in the case of an object field get
-  // with read barriers enabled, we do not want the load to overwrite
-  // the object's location, as we need it to emit the read barrier.
-  bool overlap = (field_info.IsVolatile() && (field_info.GetFieldType() == Primitive::kPrimLong)) ||
-      object_field_get_with_read_barrier;
-
-  if (Primitive::IsFloatingPointType(instruction->GetType())) {
-    locations->SetOut(Location::RequiresFpuRegister());
-  } else {
-    locations->SetOut(Location::RequiresRegister(),
-                      (overlap ? Location::kOutputOverlap : Location::kNoOutputOverlap));
-  }
-  if (volatile_for_double) {
-    // ARM encoding have some additional constraints for ldrexd/strexd:
-    // - registers need to be consecutive
-    // - the first register should be even but not R14.
-    // We don't test for ARM yet, and the assertion makes sure that we
-    // revisit this if we ever enable ARM encoding.
-    DCHECK_EQ(InstructionSet::kThumb2, codegen_->GetInstructionSet());
-    locations->AddTemp(Location::RequiresRegister());
-    locations->AddTemp(Location::RequiresRegister());
-  } else if (object_field_get_with_read_barrier && kUseBakerReadBarrier) {
-    // We need a temporary register for the read barrier marking slow
-    // path in CodeGeneratorARM::GenerateFieldLoadWithBakerReadBarrier.
-    if (kBakerReadBarrierLinkTimeThunksEnableForFields &&
-        !Runtime::Current()->UseJitCompilation()) {
-      // If link-time thunks for the Baker read barrier are enabled, for AOT
-      // loads we need a temporary only if the offset is too big.
-      if (field_info.GetFieldOffset().Uint32Value() >= kReferenceLoadMinFarOffset) {
-        locations->AddTemp(Location::RequiresRegister());
-      }
-      // And we always need the reserved entrypoint register.
-      locations->AddTemp(Location::RegisterLocation(kBakerCcEntrypointRegister));
-    } else {
-      locations->AddTemp(Location::RequiresRegister());
-    }
-  }
-}
-
-Location LocationsBuilderARM::ArithmeticZeroOrFpuRegister(HInstruction* input) {
-  DCHECK(input->GetType() == Primitive::kPrimDouble || input->GetType() == Primitive::kPrimFloat)
-      << input->GetType();
-  if ((input->IsFloatConstant() && (input->AsFloatConstant()->IsArithmeticZero())) ||
-      (input->IsDoubleConstant() && (input->AsDoubleConstant()->IsArithmeticZero()))) {
-    return Location::ConstantLocation(input->AsConstant());
-  } else {
-    return Location::RequiresFpuRegister();
-  }
-}
-
-Location LocationsBuilderARM::ArmEncodableConstantOrRegister(HInstruction* constant,
-                                                             Opcode opcode) {
-  DCHECK(!Primitive::IsFloatingPointType(constant->GetType()));
-  if (constant->IsConstant() &&
-      CanEncodeConstantAsImmediate(constant->AsConstant(), opcode)) {
-    return Location::ConstantLocation(constant->AsConstant());
-  }
-  return Location::RequiresRegister();
-}
-
-bool LocationsBuilderARM::CanEncodeConstantAsImmediate(HConstant* input_cst,
-                                                       Opcode opcode) {
-  uint64_t value = static_cast<uint64_t>(Int64FromConstant(input_cst));
-  if (Primitive::Is64BitType(input_cst->GetType())) {
-    Opcode high_opcode = opcode;
-    SetCc low_set_cc = kCcDontCare;
-    switch (opcode) {
-      case SUB:
-        // Flip the operation to an ADD.
-        value = -value;
-        opcode = ADD;
-        FALLTHROUGH_INTENDED;
-      case ADD:
-        if (Low32Bits(value) == 0u) {
-          return CanEncodeConstantAsImmediate(High32Bits(value), opcode, kCcDontCare);
-        }
-        high_opcode = ADC;
-        low_set_cc = kCcSet;
-        break;
-      default:
-        break;
-    }
-    return CanEncodeConstantAsImmediate(Low32Bits(value), opcode, low_set_cc) &&
-        CanEncodeConstantAsImmediate(High32Bits(value), high_opcode, kCcDontCare);
-  } else {
-    return CanEncodeConstantAsImmediate(Low32Bits(value), opcode);
-  }
-}
-
-bool LocationsBuilderARM::CanEncodeConstantAsImmediate(uint32_t value,
-                                                       Opcode opcode,
-                                                       SetCc set_cc) {
-  ShifterOperand so;
-  ArmAssembler* assembler = codegen_->GetAssembler();
-  if (assembler->ShifterOperandCanHold(kNoRegister, kNoRegister, opcode, value, set_cc, &so)) {
-    return true;
-  }
-  Opcode neg_opcode = kNoOperand;
-  uint32_t neg_value = 0;
-  switch (opcode) {
-    case AND: neg_opcode = BIC; neg_value = ~value; break;
-    case ORR: neg_opcode = ORN; neg_value = ~value; break;
-    case ADD: neg_opcode = SUB; neg_value = -value; break;
-    case ADC: neg_opcode = SBC; neg_value = ~value; break;
-    case SUB: neg_opcode = ADD; neg_value = -value; break;
-    case SBC: neg_opcode = ADC; neg_value = ~value; break;
-    case MOV: neg_opcode = MVN; neg_value = ~value; break;
-    default:
-      return false;
-  }
-
-  if (assembler->ShifterOperandCanHold(kNoRegister,
-                                       kNoRegister,
-                                       neg_opcode,
-                                       neg_value,
-                                       set_cc,
-                                       &so)) {
-    return true;
-  }
-
-  return opcode == AND && IsPowerOfTwo(value + 1);
-}
-
-void InstructionCodeGeneratorARM::HandleFieldGet(HInstruction* instruction,
-                                                 const FieldInfo& field_info) {
-  DCHECK(instruction->IsInstanceFieldGet() || instruction->IsStaticFieldGet());
-
-  LocationSummary* locations = instruction->GetLocations();
-  Location base_loc = locations->InAt(0);
-  Register base = base_loc.AsRegister<Register>();
-  Location out = locations->Out();
-  bool is_volatile = field_info.IsVolatile();
-  bool atomic_ldrd_strd = codegen_->GetInstructionSetFeatures().HasAtomicLdrdAndStrd();
-  Primitive::Type field_type = field_info.GetFieldType();
-  uint32_t offset = field_info.GetFieldOffset().Uint32Value();
-
-  switch (field_type) {
-    case Primitive::kPrimBoolean:
-      __ LoadFromOffset(kLoadUnsignedByte, out.AsRegister<Register>(), base, offset);
-      break;
-
-    case Primitive::kPrimByte:
-      __ LoadFromOffset(kLoadSignedByte, out.AsRegister<Register>(), base, offset);
-      break;
-
-    case Primitive::kPrimShort:
-      __ LoadFromOffset(kLoadSignedHalfword, out.AsRegister<Register>(), base, offset);
-      break;
-
-    case Primitive::kPrimChar:
-      __ LoadFromOffset(kLoadUnsignedHalfword, out.AsRegister<Register>(), base, offset);
-      break;
-
-    case Primitive::kPrimInt:
-      __ LoadFromOffset(kLoadWord, out.AsRegister<Register>(), base, offset);
-      break;
-
-    case Primitive::kPrimNot: {
-      // /* HeapReference<Object> */ out = *(base + offset)
-      if (kEmitCompilerReadBarrier && kUseBakerReadBarrier) {
-        Location temp_loc = locations->GetTemp(0);
-        // Note that a potential implicit null check is handled in this
-        // CodeGeneratorARM::GenerateFieldLoadWithBakerReadBarrier call.
-        codegen_->GenerateFieldLoadWithBakerReadBarrier(
-            instruction, out, base, offset, temp_loc, /* needs_null_check */ true);
-        if (is_volatile) {
-          codegen_->GenerateMemoryBarrier(MemBarrierKind::kLoadAny);
-        }
-      } else {
-        __ LoadFromOffset(kLoadWord, out.AsRegister<Register>(), base, offset);
-        codegen_->MaybeRecordImplicitNullCheck(instruction);
-        if (is_volatile) {
-          codegen_->GenerateMemoryBarrier(MemBarrierKind::kLoadAny);
-        }
-        // If read barriers are enabled, emit read barriers other than
-        // Baker's using a slow path (and also unpoison the loaded
-        // reference, if heap poisoning is enabled).
-        codegen_->MaybeGenerateReadBarrierSlow(instruction, out, out, base_loc, offset);
-      }
-      break;
-    }
-
-    case Primitive::kPrimLong:
-      if (is_volatile && !atomic_ldrd_strd) {
-        GenerateWideAtomicLoad(base, offset,
-                               out.AsRegisterPairLow<Register>(),
-                               out.AsRegisterPairHigh<Register>());
-      } else {
-        __ LoadFromOffset(kLoadWordPair, out.AsRegisterPairLow<Register>(), base, offset);
-      }
-      break;
-
-    case Primitive::kPrimFloat:
-      __ LoadSFromOffset(out.AsFpuRegister<SRegister>(), base, offset);
-      break;
-
-    case Primitive::kPrimDouble: {
-      DRegister out_reg = FromLowSToD(out.AsFpuRegisterPairLow<SRegister>());
-      if (is_volatile && !atomic_ldrd_strd) {
-        Register lo = locations->GetTemp(0).AsRegister<Register>();
-        Register hi = locations->GetTemp(1).AsRegister<Register>();
-        GenerateWideAtomicLoad(base, offset, lo, hi);
-        codegen_->MaybeRecordImplicitNullCheck(instruction);
-        __ vmovdrr(out_reg, lo, hi);
-      } else {
-        __ LoadDFromOffset(out_reg, base, offset);
-        codegen_->MaybeRecordImplicitNullCheck(instruction);
-      }
-      break;
-    }
-
-    case Primitive::kPrimVoid:
-      LOG(FATAL) << "Unreachable type " << field_type;
-      UNREACHABLE();
-  }
-
-  if (field_type == Primitive::kPrimNot || field_type == Primitive::kPrimDouble) {
-    // Potential implicit null checks, in the case of reference or
-    // double fields, are handled in the previous switch statement.
-  } else {
-    codegen_->MaybeRecordImplicitNullCheck(instruction);
-  }
-
-  if (is_volatile) {
-    if (field_type == Primitive::kPrimNot) {
-      // Memory barriers, in the case of references, are also handled
-      // in the previous switch statement.
-    } else {
-      codegen_->GenerateMemoryBarrier(MemBarrierKind::kLoadAny);
-    }
-  }
-}
-
-void LocationsBuilderARM::VisitInstanceFieldSet(HInstanceFieldSet* instruction) {
-  HandleFieldSet(instruction, instruction->GetFieldInfo());
-}
-
-void InstructionCodeGeneratorARM::VisitInstanceFieldSet(HInstanceFieldSet* instruction) {
-  HandleFieldSet(instruction, instruction->GetFieldInfo(), instruction->GetValueCanBeNull());
-}
-
-void LocationsBuilderARM::VisitInstanceFieldGet(HInstanceFieldGet* instruction) {
-  HandleFieldGet(instruction, instruction->GetFieldInfo());
-}
-
-void InstructionCodeGeneratorARM::VisitInstanceFieldGet(HInstanceFieldGet* instruction) {
-  HandleFieldGet(instruction, instruction->GetFieldInfo());
-}
-
-void LocationsBuilderARM::VisitStaticFieldGet(HStaticFieldGet* instruction) {
-  HandleFieldGet(instruction, instruction->GetFieldInfo());
-}
-
-void InstructionCodeGeneratorARM::VisitStaticFieldGet(HStaticFieldGet* instruction) {
-  HandleFieldGet(instruction, instruction->GetFieldInfo());
-}
-
-void LocationsBuilderARM::VisitStaticFieldSet(HStaticFieldSet* instruction) {
-  HandleFieldSet(instruction, instruction->GetFieldInfo());
-}
-
-void InstructionCodeGeneratorARM::VisitStaticFieldSet(HStaticFieldSet* instruction) {
-  HandleFieldSet(instruction, instruction->GetFieldInfo(), instruction->GetValueCanBeNull());
-}
-
-void LocationsBuilderARM::VisitUnresolvedInstanceFieldGet(
-    HUnresolvedInstanceFieldGet* instruction) {
-  FieldAccessCallingConventionARM calling_convention;
-  codegen_->CreateUnresolvedFieldLocationSummary(
-      instruction, instruction->GetFieldType(), calling_convention);
-}
-
-void InstructionCodeGeneratorARM::VisitUnresolvedInstanceFieldGet(
-    HUnresolvedInstanceFieldGet* instruction) {
-  FieldAccessCallingConventionARM calling_convention;
-  codegen_->GenerateUnresolvedFieldAccess(instruction,
-                                          instruction->GetFieldType(),
-                                          instruction->GetFieldIndex(),
-                                          instruction->GetDexPc(),
-                                          calling_convention);
-}
-
-void LocationsBuilderARM::VisitUnresolvedInstanceFieldSet(
-    HUnresolvedInstanceFieldSet* instruction) {
-  FieldAccessCallingConventionARM calling_convention;
-  codegen_->CreateUnresolvedFieldLocationSummary(
-      instruction, instruction->GetFieldType(), calling_convention);
-}
-
-void InstructionCodeGeneratorARM::VisitUnresolvedInstanceFieldSet(
-    HUnresolvedInstanceFieldSet* instruction) {
-  FieldAccessCallingConventionARM calling_convention;
-  codegen_->GenerateUnresolvedFieldAccess(instruction,
-                                          instruction->GetFieldType(),
-                                          instruction->GetFieldIndex(),
-                                          instruction->GetDexPc(),
-                                          calling_convention);
-}
-
-void LocationsBuilderARM::VisitUnresolvedStaticFieldGet(
-    HUnresolvedStaticFieldGet* instruction) {
-  FieldAccessCallingConventionARM calling_convention;
-  codegen_->CreateUnresolvedFieldLocationSummary(
-      instruction, instruction->GetFieldType(), calling_convention);
-}
-
-void InstructionCodeGeneratorARM::VisitUnresolvedStaticFieldGet(
-    HUnresolvedStaticFieldGet* instruction) {
-  FieldAccessCallingConventionARM calling_convention;
-  codegen_->GenerateUnresolvedFieldAccess(instruction,
-                                          instruction->GetFieldType(),
-                                          instruction->GetFieldIndex(),
-                                          instruction->GetDexPc(),
-                                          calling_convention);
-}
-
-void LocationsBuilderARM::VisitUnresolvedStaticFieldSet(
-    HUnresolvedStaticFieldSet* instruction) {
-  FieldAccessCallingConventionARM calling_convention;
-  codegen_->CreateUnresolvedFieldLocationSummary(
-      instruction, instruction->GetFieldType(), calling_convention);
-}
-
-void InstructionCodeGeneratorARM::VisitUnresolvedStaticFieldSet(
-    HUnresolvedStaticFieldSet* instruction) {
-  FieldAccessCallingConventionARM calling_convention;
-  codegen_->GenerateUnresolvedFieldAccess(instruction,
-                                          instruction->GetFieldType(),
-                                          instruction->GetFieldIndex(),
-                                          instruction->GetDexPc(),
-                                          calling_convention);
-}
-
-void LocationsBuilderARM::VisitNullCheck(HNullCheck* instruction) {
-  LocationSummary* locations = codegen_->CreateThrowingSlowPathLocations(instruction);
-  locations->SetInAt(0, Location::RequiresRegister());
-}
-
-void CodeGeneratorARM::GenerateImplicitNullCheck(HNullCheck* instruction) {
-  if (CanMoveNullCheckToUser(instruction)) {
-    return;
-  }
-  Location obj = instruction->GetLocations()->InAt(0);
-
-  __ LoadFromOffset(kLoadWord, IP, obj.AsRegister<Register>(), 0);
-  RecordPcInfo(instruction, instruction->GetDexPc());
-}
-
-void CodeGeneratorARM::GenerateExplicitNullCheck(HNullCheck* instruction) {
-  SlowPathCodeARM* slow_path = new (GetGraph()->GetArena()) NullCheckSlowPathARM(instruction);
-  AddSlowPath(slow_path);
-
-  LocationSummary* locations = instruction->GetLocations();
-  Location obj = locations->InAt(0);
-
-  __ CompareAndBranchIfZero(obj.AsRegister<Register>(), slow_path->GetEntryLabel());
-}
-
-void InstructionCodeGeneratorARM::VisitNullCheck(HNullCheck* instruction) {
-  codegen_->GenerateNullCheck(instruction);
-}
-
-static LoadOperandType GetLoadOperandType(Primitive::Type type) {
-  switch (type) {
-    case Primitive::kPrimNot:
-      return kLoadWord;
-    case Primitive::kPrimBoolean:
-      return kLoadUnsignedByte;
-    case Primitive::kPrimByte:
-      return kLoadSignedByte;
-    case Primitive::kPrimChar:
-      return kLoadUnsignedHalfword;
-    case Primitive::kPrimShort:
-      return kLoadSignedHalfword;
-    case Primitive::kPrimInt:
-      return kLoadWord;
-    case Primitive::kPrimLong:
-      return kLoadWordPair;
-    case Primitive::kPrimFloat:
-      return kLoadSWord;
-    case Primitive::kPrimDouble:
-      return kLoadDWord;
-    default:
-      LOG(FATAL) << "Unreachable type " << type;
-      UNREACHABLE();
-  }
-}
-
-static StoreOperandType GetStoreOperandType(Primitive::Type type) {
-  switch (type) {
-    case Primitive::kPrimNot:
-      return kStoreWord;
-    case Primitive::kPrimBoolean:
-    case Primitive::kPrimByte:
-      return kStoreByte;
-    case Primitive::kPrimChar:
-    case Primitive::kPrimShort:
-      return kStoreHalfword;
-    case Primitive::kPrimInt:
-      return kStoreWord;
-    case Primitive::kPrimLong:
-      return kStoreWordPair;
-    case Primitive::kPrimFloat:
-      return kStoreSWord;
-    case Primitive::kPrimDouble:
-      return kStoreDWord;
-    default:
-      LOG(FATAL) << "Unreachable type " << type;
-      UNREACHABLE();
-  }
-}
-
-void CodeGeneratorARM::LoadFromShiftedRegOffset(Primitive::Type type,
-                                                Location out_loc,
-                                                Register base,
-                                                Register reg_offset,
-                                                Condition cond) {
-  uint32_t shift_count = Primitive::ComponentSizeShift(type);
-  Address mem_address(base, reg_offset, Shift::LSL, shift_count);
-
-  switch (type) {
-    case Primitive::kPrimByte:
-      __ ldrsb(out_loc.AsRegister<Register>(), mem_address, cond);
-      break;
-    case Primitive::kPrimBoolean:
-      __ ldrb(out_loc.AsRegister<Register>(), mem_address, cond);
-      break;
-    case Primitive::kPrimShort:
-      __ ldrsh(out_loc.AsRegister<Register>(), mem_address, cond);
-      break;
-    case Primitive::kPrimChar:
-      __ ldrh(out_loc.AsRegister<Register>(), mem_address, cond);
-      break;
-    case Primitive::kPrimNot:
-    case Primitive::kPrimInt:
-      __ ldr(out_loc.AsRegister<Register>(), mem_address, cond);
-      break;
-    // T32 doesn't support LoadFromShiftedRegOffset mem address mode for these types.
-    case Primitive::kPrimLong:
-    case Primitive::kPrimFloat:
-    case Primitive::kPrimDouble:
-    default:
-      LOG(FATAL) << "Unreachable type " << type;
-      UNREACHABLE();
-  }
-}
-
-void CodeGeneratorARM::StoreToShiftedRegOffset(Primitive::Type type,
-                                               Location loc,
-                                               Register base,
-                                               Register reg_offset,
-                                               Condition cond) {
-  uint32_t shift_count = Primitive::ComponentSizeShift(type);
-  Address mem_address(base, reg_offset, Shift::LSL, shift_count);
-
-  switch (type) {
-    case Primitive::kPrimByte:
-    case Primitive::kPrimBoolean:
-      __ strb(loc.AsRegister<Register>(), mem_address, cond);
-      break;
-    case Primitive::kPrimShort:
-    case Primitive::kPrimChar:
-      __ strh(loc.AsRegister<Register>(), mem_address, cond);
-      break;
-    case Primitive::kPrimNot:
-    case Primitive::kPrimInt:
-      __ str(loc.AsRegister<Register>(), mem_address, cond);
-      break;
-    // T32 doesn't support StoreToShiftedRegOffset mem address mode for these types.
-    case Primitive::kPrimLong:
-    case Primitive::kPrimFloat:
-    case Primitive::kPrimDouble:
-    default:
-      LOG(FATAL) << "Unreachable type " << type;
-      UNREACHABLE();
-  }
-}
-
-void LocationsBuilderARM::VisitArrayGet(HArrayGet* instruction) {
-  bool object_array_get_with_read_barrier =
-      kEmitCompilerReadBarrier && (instruction->GetType() == Primitive::kPrimNot);
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction,
-                                                   object_array_get_with_read_barrier ?
-                                                       LocationSummary::kCallOnSlowPath :
-                                                       LocationSummary::kNoCall);
-  if (object_array_get_with_read_barrier && kUseBakerReadBarrier) {
-    locations->SetCustomSlowPathCallerSaves(RegisterSet::Empty());  // No caller-save registers.
-  }
-  locations->SetInAt(0, Location::RequiresRegister());
-  locations->SetInAt(1, Location::RegisterOrConstant(instruction->InputAt(1)));
-  if (Primitive::IsFloatingPointType(instruction->GetType())) {
-    locations->SetOut(Location::RequiresFpuRegister(), Location::kNoOutputOverlap);
-  } else {
-    // The output overlaps in the case of an object array get with
-    // read barriers enabled: we do not want the move to overwrite the
-    // array's location, as we need it to emit the read barrier.
-    locations->SetOut(
-        Location::RequiresRegister(),
-        object_array_get_with_read_barrier ? Location::kOutputOverlap : Location::kNoOutputOverlap);
-  }
-  if (object_array_get_with_read_barrier && kUseBakerReadBarrier) {
-    // We need a temporary register for the read barrier marking slow
-    // path in CodeGeneratorARM::GenerateArrayLoadWithBakerReadBarrier.
-    if (kBakerReadBarrierLinkTimeThunksEnableForFields &&
-        !Runtime::Current()->UseJitCompilation() &&
-        instruction->GetIndex()->IsConstant()) {
-      // Array loads with constant index are treated as field loads.
-      // If link-time thunks for the Baker read barrier are enabled, for AOT
-      // constant index loads we need a temporary only if the offset is too big.
-      uint32_t offset = CodeGenerator::GetArrayDataOffset(instruction);
-      uint32_t index = instruction->GetIndex()->AsIntConstant()->GetValue();
-      offset += index << Primitive::ComponentSizeShift(Primitive::kPrimNot);
-      if (offset >= kReferenceLoadMinFarOffset) {
-        locations->AddTemp(Location::RequiresRegister());
-      }
-      // And we always need the reserved entrypoint register.
-      locations->AddTemp(Location::RegisterLocation(kBakerCcEntrypointRegister));
-    } else if (kBakerReadBarrierLinkTimeThunksEnableForArrays &&
-               !Runtime::Current()->UseJitCompilation() &&
-               !instruction->GetIndex()->IsConstant()) {
-      // We need a non-scratch temporary for the array data pointer.
-      locations->AddTemp(Location::RequiresRegister());
-      // And we always need the reserved entrypoint register.
-      locations->AddTemp(Location::RegisterLocation(kBakerCcEntrypointRegister));
-    } else {
-      locations->AddTemp(Location::RequiresRegister());
-    }
-  } else if (mirror::kUseStringCompression && instruction->IsStringCharAt()) {
-    // Also need a temporary for String compression feature.
-    locations->AddTemp(Location::RequiresRegister());
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitArrayGet(HArrayGet* instruction) {
-  LocationSummary* locations = instruction->GetLocations();
-  Location obj_loc = locations->InAt(0);
-  Register obj = obj_loc.AsRegister<Register>();
-  Location index = locations->InAt(1);
-  Location out_loc = locations->Out();
-  uint32_t data_offset = CodeGenerator::GetArrayDataOffset(instruction);
-  Primitive::Type type = instruction->GetType();
-  const bool maybe_compressed_char_at = mirror::kUseStringCompression &&
-                                        instruction->IsStringCharAt();
-  HInstruction* array_instr = instruction->GetArray();
-  bool has_intermediate_address = array_instr->IsIntermediateAddress();
-
-  switch (type) {
-    case Primitive::kPrimBoolean:
-    case Primitive::kPrimByte:
-    case Primitive::kPrimShort:
-    case Primitive::kPrimChar:
-    case Primitive::kPrimInt: {
-      Register length;
-      if (maybe_compressed_char_at) {
-        length = locations->GetTemp(0).AsRegister<Register>();
-        uint32_t count_offset = mirror::String::CountOffset().Uint32Value();
-        __ LoadFromOffset(kLoadWord, length, obj, count_offset);
-        codegen_->MaybeRecordImplicitNullCheck(instruction);
-      }
-      if (index.IsConstant()) {
-        int32_t const_index = index.GetConstant()->AsIntConstant()->GetValue();
-        if (maybe_compressed_char_at) {
-          Label uncompressed_load, done;
-          Label* final_label = codegen_->GetFinalLabel(instruction, &done);
-          __ Lsrs(length, length, 1u);  // LSRS has a 16-bit encoding, TST (immediate) does not.
-          static_assert(static_cast<uint32_t>(mirror::StringCompressionFlag::kCompressed) == 0u,
-                        "Expecting 0=compressed, 1=uncompressed");
-          __ b(&uncompressed_load, CS);
-          __ LoadFromOffset(kLoadUnsignedByte,
-                            out_loc.AsRegister<Register>(),
-                            obj,
-                            data_offset + const_index);
-          __ b(final_label);
-          __ Bind(&uncompressed_load);
-          __ LoadFromOffset(GetLoadOperandType(Primitive::kPrimChar),
-                            out_loc.AsRegister<Register>(),
-                            obj,
-                            data_offset + (const_index << 1));
-          if (done.IsLinked()) {
-            __ Bind(&done);
-          }
-        } else {
-          uint32_t full_offset = data_offset + (const_index << Primitive::ComponentSizeShift(type));
-
-          LoadOperandType load_type = GetLoadOperandType(type);
-          __ LoadFromOffset(load_type, out_loc.AsRegister<Register>(), obj, full_offset);
-        }
-      } else {
-        Register temp = IP;
-
-        if (has_intermediate_address) {
-          // We do not need to compute the intermediate address from the array: the
-          // input instruction has done it already. See the comment in
-          // `TryExtractArrayAccessAddress()`.
-          if (kIsDebugBuild) {
-            HIntermediateAddress* tmp = array_instr->AsIntermediateAddress();
-            DCHECK_EQ(tmp->GetOffset()->AsIntConstant()->GetValueAsUint64(), data_offset);
-          }
-          temp = obj;
-        } else {
-          __ add(temp, obj, ShifterOperand(data_offset));
-        }
-        if (maybe_compressed_char_at) {
-          Label uncompressed_load, done;
-          Label* final_label = codegen_->GetFinalLabel(instruction, &done);
-          __ Lsrs(length, length, 1u);  // LSRS has a 16-bit encoding, TST (immediate) does not.
-          static_assert(static_cast<uint32_t>(mirror::StringCompressionFlag::kCompressed) == 0u,
-                        "Expecting 0=compressed, 1=uncompressed");
-          __ b(&uncompressed_load, CS);
-          __ ldrb(out_loc.AsRegister<Register>(),
-                  Address(temp, index.AsRegister<Register>(), Shift::LSL, 0));
-          __ b(final_label);
-          __ Bind(&uncompressed_load);
-          __ ldrh(out_loc.AsRegister<Register>(),
-                  Address(temp, index.AsRegister<Register>(), Shift::LSL, 1));
-          if (done.IsLinked()) {
-            __ Bind(&done);
-          }
-        } else {
-          codegen_->LoadFromShiftedRegOffset(type, out_loc, temp, index.AsRegister<Register>());
-        }
-      }
-      break;
-    }
-
-    case Primitive::kPrimNot: {
-      // The read barrier instrumentation of object ArrayGet
-      // instructions does not support the HIntermediateAddress
-      // instruction.
-      DCHECK(!(has_intermediate_address && kEmitCompilerReadBarrier));
-
-      static_assert(
-          sizeof(mirror::HeapReference<mirror::Object>) == sizeof(int32_t),
-          "art::mirror::HeapReference<art::mirror::Object> and int32_t have different sizes.");
-      // /* HeapReference<Object> */ out =
-      //     *(obj + data_offset + index * sizeof(HeapReference<Object>))
-      if (kEmitCompilerReadBarrier && kUseBakerReadBarrier) {
-        Location temp = locations->GetTemp(0);
-        // Note that a potential implicit null check is handled in this
-        // CodeGeneratorARM::GenerateArrayLoadWithBakerReadBarrier call.
-        DCHECK(!instruction->CanDoImplicitNullCheckOn(instruction->InputAt(0)));
-        if (index.IsConstant()) {
-          // Array load with a constant index can be treated as a field load.
-          data_offset += helpers::Int32ConstantFrom(index) << Primitive::ComponentSizeShift(type);
-          codegen_->GenerateFieldLoadWithBakerReadBarrier(instruction,
-                                                          out_loc,
-                                                          obj,
-                                                          data_offset,
-                                                          locations->GetTemp(0),
-                                                          /* needs_null_check */ false);
-        } else {
-          codegen_->GenerateArrayLoadWithBakerReadBarrier(
-              instruction, out_loc, obj, data_offset, index, temp, /* needs_null_check */ false);
-        }
-      } else {
-        Register out = out_loc.AsRegister<Register>();
-        if (index.IsConstant()) {
-          size_t offset =
-              (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset;
-          __ LoadFromOffset(kLoadWord, out, obj, offset);
-          codegen_->MaybeRecordImplicitNullCheck(instruction);
-          // If read barriers are enabled, emit read barriers other than
-          // Baker's using a slow path (and also unpoison the loaded
-          // reference, if heap poisoning is enabled).
-          codegen_->MaybeGenerateReadBarrierSlow(instruction, out_loc, out_loc, obj_loc, offset);
-        } else {
-          Register temp = IP;
-
-          if (has_intermediate_address) {
-            // We do not need to compute the intermediate address from the array: the
-            // input instruction has done it already. See the comment in
-            // `TryExtractArrayAccessAddress()`.
-            if (kIsDebugBuild) {
-              HIntermediateAddress* tmp = array_instr->AsIntermediateAddress();
-              DCHECK_EQ(tmp->GetOffset()->AsIntConstant()->GetValueAsUint64(), data_offset);
-            }
-            temp = obj;
-          } else {
-            __ add(temp, obj, ShifterOperand(data_offset));
-          }
-          codegen_->LoadFromShiftedRegOffset(type, out_loc, temp, index.AsRegister<Register>());
-
-          codegen_->MaybeRecordImplicitNullCheck(instruction);
-          // If read barriers are enabled, emit read barriers other than
-          // Baker's using a slow path (and also unpoison the loaded
-          // reference, if heap poisoning is enabled).
-          codegen_->MaybeGenerateReadBarrierSlow(
-              instruction, out_loc, out_loc, obj_loc, data_offset, index);
-        }
-      }
-      break;
-    }
-
-    case Primitive::kPrimLong: {
-      if (index.IsConstant()) {
-        size_t offset =
-            (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + data_offset;
-        __ LoadFromOffset(kLoadWordPair, out_loc.AsRegisterPairLow<Register>(), obj, offset);
-      } else {
-        __ add(IP, obj, ShifterOperand(index.AsRegister<Register>(), LSL, TIMES_8));
-        __ LoadFromOffset(kLoadWordPair, out_loc.AsRegisterPairLow<Register>(), IP, data_offset);
-      }
-      break;
-    }
-
-    case Primitive::kPrimFloat: {
-      SRegister out = out_loc.AsFpuRegister<SRegister>();
-      if (index.IsConstant()) {
-        size_t offset = (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset;
-        __ LoadSFromOffset(out, obj, offset);
-      } else {
-        __ add(IP, obj, ShifterOperand(index.AsRegister<Register>(), LSL, TIMES_4));
-        __ LoadSFromOffset(out, IP, data_offset);
-      }
-      break;
-    }
-
-    case Primitive::kPrimDouble: {
-      SRegister out = out_loc.AsFpuRegisterPairLow<SRegister>();
-      if (index.IsConstant()) {
-        size_t offset = (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + data_offset;
-        __ LoadDFromOffset(FromLowSToD(out), obj, offset);
-      } else {
-        __ add(IP, obj, ShifterOperand(index.AsRegister<Register>(), LSL, TIMES_8));
-        __ LoadDFromOffset(FromLowSToD(out), IP, data_offset);
-      }
-      break;
-    }
-
-    case Primitive::kPrimVoid:
-      LOG(FATAL) << "Unreachable type " << type;
-      UNREACHABLE();
-  }
-
-  if (type == Primitive::kPrimNot) {
-    // Potential implicit null checks, in the case of reference
-    // arrays, are handled in the previous switch statement.
-  } else if (!maybe_compressed_char_at) {
-    codegen_->MaybeRecordImplicitNullCheck(instruction);
-  }
-}
-
-void LocationsBuilderARM::VisitArraySet(HArraySet* instruction) {
-  Primitive::Type value_type = instruction->GetComponentType();
-
-  bool needs_write_barrier =
-      CodeGenerator::StoreNeedsWriteBarrier(value_type, instruction->GetValue());
-  bool may_need_runtime_call_for_type_check = instruction->NeedsTypeCheck();
-
-  LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(
-      instruction,
-      may_need_runtime_call_for_type_check ?
-          LocationSummary::kCallOnSlowPath :
-          LocationSummary::kNoCall);
-
-  locations->SetInAt(0, Location::RequiresRegister());
-  locations->SetInAt(1, Location::RegisterOrConstant(instruction->InputAt(1)));
-  if (Primitive::IsFloatingPointType(value_type)) {
-    locations->SetInAt(2, Location::RequiresFpuRegister());
-  } else {
-    locations->SetInAt(2, Location::RequiresRegister());
-  }
-  if (needs_write_barrier) {
-    // Temporary registers for the write barrier.
-    locations->AddTemp(Location::RequiresRegister());  // Possibly used for ref. poisoning too.
-    locations->AddTemp(Location::RequiresRegister());
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitArraySet(HArraySet* instruction) {
-  LocationSummary* locations = instruction->GetLocations();
-  Location array_loc = locations->InAt(0);
-  Register array = array_loc.AsRegister<Register>();
-  Location index = locations->InAt(1);
-  Primitive::Type value_type = instruction->GetComponentType();
-  bool may_need_runtime_call_for_type_check = instruction->NeedsTypeCheck();
-  bool needs_write_barrier =
-      CodeGenerator::StoreNeedsWriteBarrier(value_type, instruction->GetValue());
-  uint32_t data_offset =
-      mirror::Array::DataOffset(Primitive::ComponentSize(value_type)).Uint32Value();
-  Location value_loc = locations->InAt(2);
-  HInstruction* array_instr = instruction->GetArray();
-  bool has_intermediate_address = array_instr->IsIntermediateAddress();
-
-  switch (value_type) {
-    case Primitive::kPrimBoolean:
-    case Primitive::kPrimByte:
-    case Primitive::kPrimShort:
-    case Primitive::kPrimChar:
-    case Primitive::kPrimInt: {
-      if (index.IsConstant()) {
-        int32_t const_index = index.GetConstant()->AsIntConstant()->GetValue();
-        uint32_t full_offset =
-            data_offset + (const_index << Primitive::ComponentSizeShift(value_type));
-        StoreOperandType store_type = GetStoreOperandType(value_type);
-        __ StoreToOffset(store_type, value_loc.AsRegister<Register>(), array, full_offset);
-      } else {
-        Register temp = IP;
-
-        if (has_intermediate_address) {
-          // We do not need to compute the intermediate address from the array: the
-          // input instruction has done it already. See the comment in
-          // `TryExtractArrayAccessAddress()`.
-          if (kIsDebugBuild) {
-            HIntermediateAddress* tmp = array_instr->AsIntermediateAddress();
-            DCHECK(tmp->GetOffset()->AsIntConstant()->GetValueAsUint64() == data_offset);
-          }
-          temp = array;
-        } else {
-          __ add(temp, array, ShifterOperand(data_offset));
-        }
-        codegen_->StoreToShiftedRegOffset(value_type,
-                                          value_loc,
-                                          temp,
-                                          index.AsRegister<Register>());
-      }
-      break;
-    }
-
-    case Primitive::kPrimNot: {
-      Register value = value_loc.AsRegister<Register>();
-      // TryExtractArrayAccessAddress optimization is never applied for non-primitive ArraySet.
-      // See the comment in instruction_simplifier_shared.cc.
-      DCHECK(!has_intermediate_address);
-
-      if (instruction->InputAt(2)->IsNullConstant()) {
-        // Just setting null.
-        if (index.IsConstant()) {
-          size_t offset =
-              (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset;
-          __ StoreToOffset(kStoreWord, value, array, offset);
-        } else {
-          DCHECK(index.IsRegister()) << index;
-          __ add(IP, array, ShifterOperand(data_offset));
-          codegen_->StoreToShiftedRegOffset(value_type,
-                                            value_loc,
-                                            IP,
-                                            index.AsRegister<Register>());
-        }
-        codegen_->MaybeRecordImplicitNullCheck(instruction);
-        DCHECK(!needs_write_barrier);
-        DCHECK(!may_need_runtime_call_for_type_check);
-        break;
-      }
-
-      DCHECK(needs_write_barrier);
-      Location temp1_loc = locations->GetTemp(0);
-      Register temp1 = temp1_loc.AsRegister<Register>();
-      Location temp2_loc = locations->GetTemp(1);
-      Register temp2 = temp2_loc.AsRegister<Register>();
-      uint32_t class_offset = mirror::Object::ClassOffset().Int32Value();
-      uint32_t super_offset = mirror::Class::SuperClassOffset().Int32Value();
-      uint32_t component_offset = mirror::Class::ComponentTypeOffset().Int32Value();
-      Label done;
-      Label* final_label = codegen_->GetFinalLabel(instruction, &done);
-      SlowPathCodeARM* slow_path = nullptr;
-
-      if (may_need_runtime_call_for_type_check) {
-        slow_path = new (GetGraph()->GetArena()) ArraySetSlowPathARM(instruction);
-        codegen_->AddSlowPath(slow_path);
-        if (instruction->GetValueCanBeNull()) {
-          Label non_zero;
-          __ CompareAndBranchIfNonZero(value, &non_zero);
-          if (index.IsConstant()) {
-            size_t offset =
-               (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset;
-            __ StoreToOffset(kStoreWord, value, array, offset);
-          } else {
-            DCHECK(index.IsRegister()) << index;
-            __ add(IP, array, ShifterOperand(data_offset));
-            codegen_->StoreToShiftedRegOffset(value_type,
-                                              value_loc,
-                                              IP,
-                                              index.AsRegister<Register>());
-          }
-          codegen_->MaybeRecordImplicitNullCheck(instruction);
-          __ b(final_label);
-          __ Bind(&non_zero);
-        }
-
-        // Note that when read barriers are enabled, the type checks
-        // are performed without read barriers.  This is fine, even in
-        // the case where a class object is in the from-space after
-        // the flip, as a comparison involving such a type would not
-        // produce a false positive; it may of course produce a false
-        // negative, in which case we would take the ArraySet slow
-        // path.
-
-        // /* HeapReference<Class> */ temp1 = array->klass_
-        __ LoadFromOffset(kLoadWord, temp1, array, class_offset);
-        codegen_->MaybeRecordImplicitNullCheck(instruction);
-        __ MaybeUnpoisonHeapReference(temp1);
-
-        // /* HeapReference<Class> */ temp1 = temp1->component_type_
-        __ LoadFromOffset(kLoadWord, temp1, temp1, component_offset);
-        // /* HeapReference<Class> */ temp2 = value->klass_
-        __ LoadFromOffset(kLoadWord, temp2, value, class_offset);
-        // If heap poisoning is enabled, no need to unpoison `temp1`
-        // nor `temp2`, as we are comparing two poisoned references.
-        __ cmp(temp1, ShifterOperand(temp2));
-
-        if (instruction->StaticTypeOfArrayIsObjectArray()) {
-          Label do_put;
-          __ b(&do_put, EQ);
-          // If heap poisoning is enabled, the `temp1` reference has
-          // not been unpoisoned yet; unpoison it now.
-          __ MaybeUnpoisonHeapReference(temp1);
-
-          // /* HeapReference<Class> */ temp1 = temp1->super_class_
-          __ LoadFromOffset(kLoadWord, temp1, temp1, super_offset);
-          // If heap poisoning is enabled, no need to unpoison
-          // `temp1`, as we are comparing against null below.
-          __ CompareAndBranchIfNonZero(temp1, slow_path->GetEntryLabel());
-          __ Bind(&do_put);
-        } else {
-          __ b(slow_path->GetEntryLabel(), NE);
-        }
-      }
-
-      Register source = value;
-      if (kPoisonHeapReferences) {
-        // Note that in the case where `value` is a null reference,
-        // we do not enter this block, as a null reference does not
-        // need poisoning.
-        DCHECK_EQ(value_type, Primitive::kPrimNot);
-        __ Mov(temp1, value);
-        __ PoisonHeapReference(temp1);
-        source = temp1;
-      }
-
-      if (index.IsConstant()) {
-        size_t offset =
-            (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset;
-        __ StoreToOffset(kStoreWord, source, array, offset);
-      } else {
-        DCHECK(index.IsRegister()) << index;
-
-        __ add(IP, array, ShifterOperand(data_offset));
-        codegen_->StoreToShiftedRegOffset(value_type,
-                                          Location::RegisterLocation(source),
-                                          IP,
-                                          index.AsRegister<Register>());
-      }
-
-      if (!may_need_runtime_call_for_type_check) {
-        codegen_->MaybeRecordImplicitNullCheck(instruction);
-      }
-
-      codegen_->MarkGCCard(temp1, temp2, array, value, instruction->GetValueCanBeNull());
-
-      if (done.IsLinked()) {
-        __ Bind(&done);
-      }
-
-      if (slow_path != nullptr) {
-        __ Bind(slow_path->GetExitLabel());
-      }
-
-      break;
-    }
-
-    case Primitive::kPrimLong: {
-      Location value = locations->InAt(2);
-      if (index.IsConstant()) {
-        size_t offset =
-            (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + data_offset;
-        __ StoreToOffset(kStoreWordPair, value.AsRegisterPairLow<Register>(), array, offset);
-      } else {
-        __ add(IP, array, ShifterOperand(index.AsRegister<Register>(), LSL, TIMES_8));
-        __ StoreToOffset(kStoreWordPair, value.AsRegisterPairLow<Register>(), IP, data_offset);
-      }
-      break;
-    }
-
-    case Primitive::kPrimFloat: {
-      Location value = locations->InAt(2);
-      DCHECK(value.IsFpuRegister());
-      if (index.IsConstant()) {
-        size_t offset = (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_4) + data_offset;
-        __ StoreSToOffset(value.AsFpuRegister<SRegister>(), array, offset);
-      } else {
-        __ add(IP, array, ShifterOperand(index.AsRegister<Register>(), LSL, TIMES_4));
-        __ StoreSToOffset(value.AsFpuRegister<SRegister>(), IP, data_offset);
-      }
-      break;
-    }
-
-    case Primitive::kPrimDouble: {
-      Location value = locations->InAt(2);
-      DCHECK(value.IsFpuRegisterPair());
-      if (index.IsConstant()) {
-        size_t offset = (index.GetConstant()->AsIntConstant()->GetValue() << TIMES_8) + data_offset;
-        __ StoreDToOffset(FromLowSToD(value.AsFpuRegisterPairLow<SRegister>()), array, offset);
-      } else {
-        __ add(IP, array, ShifterOperand(index.AsRegister<Register>(), LSL, TIMES_8));
-        __ StoreDToOffset(FromLowSToD(value.AsFpuRegisterPairLow<SRegister>()), IP, data_offset);
-      }
-
-      break;
-    }
-
-    case Primitive::kPrimVoid:
-      LOG(FATAL) << "Unreachable type " << value_type;
-      UNREACHABLE();
-  }
-
-  // Objects are handled in the switch.
-  if (value_type != Primitive::kPrimNot) {
-    codegen_->MaybeRecordImplicitNullCheck(instruction);
-  }
-}
-
-void LocationsBuilderARM::VisitArrayLength(HArrayLength* instruction) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
-  locations->SetInAt(0, Location::RequiresRegister());
-  locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-}
-
-void InstructionCodeGeneratorARM::VisitArrayLength(HArrayLength* instruction) {
-  LocationSummary* locations = instruction->GetLocations();
-  uint32_t offset = CodeGenerator::GetArrayLengthOffset(instruction);
-  Register obj = locations->InAt(0).AsRegister<Register>();
-  Register out = locations->Out().AsRegister<Register>();
-  __ LoadFromOffset(kLoadWord, out, obj, offset);
-  codegen_->MaybeRecordImplicitNullCheck(instruction);
-  // Mask out compression flag from String's array length.
-  if (mirror::kUseStringCompression && instruction->IsStringLength()) {
-    __ Lsr(out, out, 1u);
-  }
-}
-
-void LocationsBuilderARM::VisitIntermediateAddress(HIntermediateAddress* instruction) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
-
-  locations->SetInAt(0, Location::RequiresRegister());
-  locations->SetInAt(1, Location::RegisterOrConstant(instruction->GetOffset()));
-  locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-}
-
-void InstructionCodeGeneratorARM::VisitIntermediateAddress(HIntermediateAddress* instruction) {
-  LocationSummary* locations = instruction->GetLocations();
-  Location out = locations->Out();
-  Location first = locations->InAt(0);
-  Location second = locations->InAt(1);
-
-  if (second.IsRegister()) {
-    __ add(out.AsRegister<Register>(),
-           first.AsRegister<Register>(),
-           ShifterOperand(second.AsRegister<Register>()));
-  } else {
-    __ AddConstant(out.AsRegister<Register>(),
-                   first.AsRegister<Register>(),
-                   second.GetConstant()->AsIntConstant()->GetValue());
-  }
-}
-
-void LocationsBuilderARM::VisitIntermediateAddressIndex(HIntermediateAddressIndex* instruction) {
-  LOG(FATAL) << "Unreachable " << instruction->GetId();
-}
-
-void InstructionCodeGeneratorARM::VisitIntermediateAddressIndex(
-    HIntermediateAddressIndex* instruction) {
-  LOG(FATAL) << "Unreachable " << instruction->GetId();
-}
-
-void LocationsBuilderARM::VisitBoundsCheck(HBoundsCheck* instruction) {
-  RegisterSet caller_saves = RegisterSet::Empty();
-  InvokeRuntimeCallingConvention calling_convention;
-  caller_saves.Add(Location::RegisterLocation(calling_convention.GetRegisterAt(0)));
-  caller_saves.Add(Location::RegisterLocation(calling_convention.GetRegisterAt(1)));
-  LocationSummary* locations = codegen_->CreateThrowingSlowPathLocations(instruction, caller_saves);
-
-  HInstruction* index = instruction->InputAt(0);
-  HInstruction* length = instruction->InputAt(1);
-  // If both index and length are constants we can statically check the bounds. But if at least one
-  // of them is not encodable ArmEncodableConstantOrRegister will create
-  // Location::RequiresRegister() which is not desired to happen. Instead we create constant
-  // locations.
-  bool both_const = index->IsConstant() && length->IsConstant();
-  locations->SetInAt(0, both_const
-      ? Location::ConstantLocation(index->AsConstant())
-      : ArmEncodableConstantOrRegister(index, CMP));
-  locations->SetInAt(1, both_const
-      ? Location::ConstantLocation(length->AsConstant())
-      : ArmEncodableConstantOrRegister(length, CMP));
-}
-
-void InstructionCodeGeneratorARM::VisitBoundsCheck(HBoundsCheck* instruction) {
-  LocationSummary* locations = instruction->GetLocations();
-  Location index_loc = locations->InAt(0);
-  Location length_loc = locations->InAt(1);
-
-  if (length_loc.IsConstant()) {
-    int32_t length = helpers::Int32ConstantFrom(length_loc);
-    if (index_loc.IsConstant()) {
-      // BCE will remove the bounds check if we are guaranteed to pass.
-      int32_t index = helpers::Int32ConstantFrom(index_loc);
-      if (index < 0 || index >= length) {
-        SlowPathCodeARM* slow_path =
-            new (GetGraph()->GetArena()) BoundsCheckSlowPathARM(instruction);
-        codegen_->AddSlowPath(slow_path);
-        __ b(slow_path->GetEntryLabel());
-      } else {
-        // Some optimization after BCE may have generated this, and we should not
-        // generate a bounds check if it is a valid range.
-      }
-      return;
-    }
-
-    SlowPathCodeARM* slow_path = new (GetGraph()->GetArena()) BoundsCheckSlowPathARM(instruction);
-    __ cmp(index_loc.AsRegister<Register>(), ShifterOperand(length));
-    codegen_->AddSlowPath(slow_path);
-    __ b(slow_path->GetEntryLabel(), HS);
-  } else {
-    SlowPathCodeARM* slow_path = new (GetGraph()->GetArena()) BoundsCheckSlowPathARM(instruction);
-    if (index_loc.IsConstant()) {
-      int32_t index = helpers::Int32ConstantFrom(index_loc);
-      __ cmp(length_loc.AsRegister<Register>(), ShifterOperand(index));
-    } else {
-      __ cmp(length_loc.AsRegister<Register>(), ShifterOperand(index_loc.AsRegister<Register>()));
-    }
-    codegen_->AddSlowPath(slow_path);
-    __ b(slow_path->GetEntryLabel(), LS);
-  }
-}
-
-void CodeGeneratorARM::MarkGCCard(Register temp,
-                                  Register card,
-                                  Register object,
-                                  Register value,
-                                  bool can_be_null) {
-  Label is_null;
-  if (can_be_null) {
-    __ CompareAndBranchIfZero(value, &is_null);
-  }
-  __ LoadFromOffset(kLoadWord, card, TR, Thread::CardTableOffset<kArmPointerSize>().Int32Value());
-  __ Lsr(temp, object, gc::accounting::CardTable::kCardShift);
-  __ strb(card, Address(card, temp));
-  if (can_be_null) {
-    __ Bind(&is_null);
-  }
-}
-
-void LocationsBuilderARM::VisitParallelMove(HParallelMove* instruction ATTRIBUTE_UNUSED) {
-  LOG(FATAL) << "Unreachable";
-}
-
-void InstructionCodeGeneratorARM::VisitParallelMove(HParallelMove* instruction) {
-  codegen_->GetMoveResolver()->EmitNativeCode(instruction);
-}
-
-void LocationsBuilderARM::VisitSuspendCheck(HSuspendCheck* instruction) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCallOnSlowPath);
-  locations->SetCustomSlowPathCallerSaves(RegisterSet::Empty());  // No caller-save registers.
-}
-
-void InstructionCodeGeneratorARM::VisitSuspendCheck(HSuspendCheck* instruction) {
-  HBasicBlock* block = instruction->GetBlock();
-  if (block->GetLoopInformation() != nullptr) {
-    DCHECK(block->GetLoopInformation()->GetSuspendCheck() == instruction);
-    // The back edge will generate the suspend check.
-    return;
-  }
-  if (block->IsEntryBlock() && instruction->GetNext()->IsGoto()) {
-    // The goto will generate the suspend check.
-    return;
-  }
-  GenerateSuspendCheck(instruction, nullptr);
-}
-
-void InstructionCodeGeneratorARM::GenerateSuspendCheck(HSuspendCheck* instruction,
-                                                       HBasicBlock* successor) {
-  SuspendCheckSlowPathARM* slow_path =
-      down_cast<SuspendCheckSlowPathARM*>(instruction->GetSlowPath());
-  if (slow_path == nullptr) {
-    slow_path = new (GetGraph()->GetArena()) SuspendCheckSlowPathARM(instruction, successor);
-    instruction->SetSlowPath(slow_path);
-    codegen_->AddSlowPath(slow_path);
-    if (successor != nullptr) {
-      DCHECK(successor->IsLoopHeader());
-      codegen_->ClearSpillSlotsFromLoopPhisInStackMap(instruction);
-    }
-  } else {
-    DCHECK_EQ(slow_path->GetSuccessor(), successor);
-  }
-
-  __ LoadFromOffset(
-      kLoadUnsignedHalfword, IP, TR, Thread::ThreadFlagsOffset<kArmPointerSize>().Int32Value());
-  if (successor == nullptr) {
-    __ CompareAndBranchIfNonZero(IP, slow_path->GetEntryLabel());
-    __ Bind(slow_path->GetReturnLabel());
-  } else {
-    __ CompareAndBranchIfZero(IP, codegen_->GetLabelOf(successor));
-    __ b(slow_path->GetEntryLabel());
-  }
-}
-
-ArmAssembler* ParallelMoveResolverARM::GetAssembler() const {
-  return codegen_->GetAssembler();
-}
-
-void ParallelMoveResolverARM::EmitMove(size_t index) {
-  MoveOperands* move = moves_[index];
-  Location source = move->GetSource();
-  Location destination = move->GetDestination();
-
-  if (source.IsRegister()) {
-    if (destination.IsRegister()) {
-      __ Mov(destination.AsRegister<Register>(), source.AsRegister<Register>());
-    } else if (destination.IsFpuRegister()) {
-      __ vmovsr(destination.AsFpuRegister<SRegister>(), source.AsRegister<Register>());
-    } else {
-      DCHECK(destination.IsStackSlot());
-      __ StoreToOffset(kStoreWord, source.AsRegister<Register>(),
-                       SP, destination.GetStackIndex());
-    }
-  } else if (source.IsStackSlot()) {
-    if (destination.IsRegister()) {
-      __ LoadFromOffset(kLoadWord, destination.AsRegister<Register>(),
-                        SP, source.GetStackIndex());
-    } else if (destination.IsFpuRegister()) {
-      __ LoadSFromOffset(destination.AsFpuRegister<SRegister>(), SP, source.GetStackIndex());
-    } else {
-      DCHECK(destination.IsStackSlot());
-      __ LoadFromOffset(kLoadWord, IP, SP, source.GetStackIndex());
-      __ StoreToOffset(kStoreWord, IP, SP, destination.GetStackIndex());
-    }
-  } else if (source.IsFpuRegister()) {
-    if (destination.IsRegister()) {
-      __ vmovrs(destination.AsRegister<Register>(), source.AsFpuRegister<SRegister>());
-    } else if (destination.IsFpuRegister()) {
-      __ vmovs(destination.AsFpuRegister<SRegister>(), source.AsFpuRegister<SRegister>());
-    } else {
-      DCHECK(destination.IsStackSlot());
-      __ StoreSToOffset(source.AsFpuRegister<SRegister>(), SP, destination.GetStackIndex());
-    }
-  } else if (source.IsDoubleStackSlot()) {
-    if (destination.IsDoubleStackSlot()) {
-      __ LoadDFromOffset(DTMP, SP, source.GetStackIndex());
-      __ StoreDToOffset(DTMP, SP, destination.GetStackIndex());
-    } else if (destination.IsRegisterPair()) {
-      DCHECK(ExpectedPairLayout(destination));
-      __ LoadFromOffset(
-          kLoadWordPair, destination.AsRegisterPairLow<Register>(), SP, source.GetStackIndex());
-    } else {
-      DCHECK(destination.IsFpuRegisterPair()) << destination;
-      __ LoadDFromOffset(FromLowSToD(destination.AsFpuRegisterPairLow<SRegister>()),
-                         SP,
-                         source.GetStackIndex());
-    }
-  } else if (source.IsRegisterPair()) {
-    if (destination.IsRegisterPair()) {
-      __ Mov(destination.AsRegisterPairLow<Register>(), source.AsRegisterPairLow<Register>());
-      __ Mov(destination.AsRegisterPairHigh<Register>(), source.AsRegisterPairHigh<Register>());
-    } else if (destination.IsFpuRegisterPair()) {
-      __ vmovdrr(FromLowSToD(destination.AsFpuRegisterPairLow<SRegister>()),
-                 source.AsRegisterPairLow<Register>(),
-                 source.AsRegisterPairHigh<Register>());
-    } else {
-      DCHECK(destination.IsDoubleStackSlot()) << destination;
-      DCHECK(ExpectedPairLayout(source));
-      __ StoreToOffset(
-          kStoreWordPair, source.AsRegisterPairLow<Register>(), SP, destination.GetStackIndex());
-    }
-  } else if (source.IsFpuRegisterPair()) {
-    if (destination.IsRegisterPair()) {
-      __ vmovrrd(destination.AsRegisterPairLow<Register>(),
-                 destination.AsRegisterPairHigh<Register>(),
-                 FromLowSToD(source.AsFpuRegisterPairLow<SRegister>()));
-    } else if (destination.IsFpuRegisterPair()) {
-      __ vmovd(FromLowSToD(destination.AsFpuRegisterPairLow<SRegister>()),
-               FromLowSToD(source.AsFpuRegisterPairLow<SRegister>()));
-    } else {
-      DCHECK(destination.IsDoubleStackSlot()) << destination;
-      __ StoreDToOffset(FromLowSToD(source.AsFpuRegisterPairLow<SRegister>()),
-                        SP,
-                        destination.GetStackIndex());
-    }
-  } else {
-    DCHECK(source.IsConstant()) << source;
-    HConstant* constant = source.GetConstant();
-    if (constant->IsIntConstant() || constant->IsNullConstant()) {
-      int32_t value = CodeGenerator::GetInt32ValueOf(constant);
-      if (destination.IsRegister()) {
-        __ LoadImmediate(destination.AsRegister<Register>(), value);
-      } else {
-        DCHECK(destination.IsStackSlot());
-        __ LoadImmediate(IP, value);
-        __ StoreToOffset(kStoreWord, IP, SP, destination.GetStackIndex());
-      }
-    } else if (constant->IsLongConstant()) {
-      int64_t value = constant->AsLongConstant()->GetValue();
-      if (destination.IsRegisterPair()) {
-        __ LoadImmediate(destination.AsRegisterPairLow<Register>(), Low32Bits(value));
-        __ LoadImmediate(destination.AsRegisterPairHigh<Register>(), High32Bits(value));
-      } else {
-        DCHECK(destination.IsDoubleStackSlot()) << destination;
-        __ LoadImmediate(IP, Low32Bits(value));
-        __ StoreToOffset(kStoreWord, IP, SP, destination.GetStackIndex());
-        __ LoadImmediate(IP, High32Bits(value));
-        __ StoreToOffset(kStoreWord, IP, SP, destination.GetHighStackIndex(kArmWordSize));
-      }
-    } else if (constant->IsDoubleConstant()) {
-      double value = constant->AsDoubleConstant()->GetValue();
-      if (destination.IsFpuRegisterPair()) {
-        __ LoadDImmediate(FromLowSToD(destination.AsFpuRegisterPairLow<SRegister>()), value);
-      } else {
-        DCHECK(destination.IsDoubleStackSlot()) << destination;
-        uint64_t int_value = bit_cast<uint64_t, double>(value);
-        __ LoadImmediate(IP, Low32Bits(int_value));
-        __ StoreToOffset(kStoreWord, IP, SP, destination.GetStackIndex());
-        __ LoadImmediate(IP, High32Bits(int_value));
-        __ StoreToOffset(kStoreWord, IP, SP, destination.GetHighStackIndex(kArmWordSize));
-      }
-    } else {
-      DCHECK(constant->IsFloatConstant()) << constant->DebugName();
-      float value = constant->AsFloatConstant()->GetValue();
-      if (destination.IsFpuRegister()) {
-        __ LoadSImmediate(destination.AsFpuRegister<SRegister>(), value);
-      } else {
-        DCHECK(destination.IsStackSlot());
-        __ LoadImmediate(IP, bit_cast<int32_t, float>(value));
-        __ StoreToOffset(kStoreWord, IP, SP, destination.GetStackIndex());
-      }
-    }
-  }
-}
-
-void ParallelMoveResolverARM::Exchange(Register reg, int mem) {
-  __ Mov(IP, reg);
-  __ LoadFromOffset(kLoadWord, reg, SP, mem);
-  __ StoreToOffset(kStoreWord, IP, SP, mem);
-}
-
-void ParallelMoveResolverARM::Exchange(int mem1, int mem2) {
-  ScratchRegisterScope ensure_scratch(this, IP, R0, codegen_->GetNumberOfCoreRegisters());
-  int stack_offset = ensure_scratch.IsSpilled() ? kArmWordSize : 0;
-  __ LoadFromOffset(kLoadWord, static_cast<Register>(ensure_scratch.GetRegister()),
-                    SP, mem1 + stack_offset);
-  __ LoadFromOffset(kLoadWord, IP, SP, mem2 + stack_offset);
-  __ StoreToOffset(kStoreWord, static_cast<Register>(ensure_scratch.GetRegister()),
-                   SP, mem2 + stack_offset);
-  __ StoreToOffset(kStoreWord, IP, SP, mem1 + stack_offset);
-}
-
-void ParallelMoveResolverARM::EmitSwap(size_t index) {
-  MoveOperands* move = moves_[index];
-  Location source = move->GetSource();
-  Location destination = move->GetDestination();
-
-  if (source.IsRegister() && destination.IsRegister()) {
-    DCHECK_NE(source.AsRegister<Register>(), IP);
-    DCHECK_NE(destination.AsRegister<Register>(), IP);
-    __ Mov(IP, source.AsRegister<Register>());
-    __ Mov(source.AsRegister<Register>(), destination.AsRegister<Register>());
-    __ Mov(destination.AsRegister<Register>(), IP);
-  } else if (source.IsRegister() && destination.IsStackSlot()) {
-    Exchange(source.AsRegister<Register>(), destination.GetStackIndex());
-  } else if (source.IsStackSlot() && destination.IsRegister()) {
-    Exchange(destination.AsRegister<Register>(), source.GetStackIndex());
-  } else if (source.IsStackSlot() && destination.IsStackSlot()) {
-    Exchange(source.GetStackIndex(), destination.GetStackIndex());
-  } else if (source.IsFpuRegister() && destination.IsFpuRegister()) {
-    __ vmovrs(IP, source.AsFpuRegister<SRegister>());
-    __ vmovs(source.AsFpuRegister<SRegister>(), destination.AsFpuRegister<SRegister>());
-    __ vmovsr(destination.AsFpuRegister<SRegister>(), IP);
-  } else if (source.IsRegisterPair() && destination.IsRegisterPair()) {
-    __ vmovdrr(DTMP, source.AsRegisterPairLow<Register>(), source.AsRegisterPairHigh<Register>());
-    __ Mov(source.AsRegisterPairLow<Register>(), destination.AsRegisterPairLow<Register>());
-    __ Mov(source.AsRegisterPairHigh<Register>(), destination.AsRegisterPairHigh<Register>());
-    __ vmovrrd(destination.AsRegisterPairLow<Register>(),
-               destination.AsRegisterPairHigh<Register>(),
-               DTMP);
-  } else if (source.IsRegisterPair() || destination.IsRegisterPair()) {
-    Register low_reg = source.IsRegisterPair()
-        ? source.AsRegisterPairLow<Register>()
-        : destination.AsRegisterPairLow<Register>();
-    int mem = source.IsRegisterPair()
-        ? destination.GetStackIndex()
-        : source.GetStackIndex();
-    DCHECK(ExpectedPairLayout(source.IsRegisterPair() ? source : destination));
-    __ vmovdrr(DTMP, low_reg, static_cast<Register>(low_reg + 1));
-    __ LoadFromOffset(kLoadWordPair, low_reg, SP, mem);
-    __ StoreDToOffset(DTMP, SP, mem);
-  } else if (source.IsFpuRegisterPair() && destination.IsFpuRegisterPair()) {
-    DRegister first = FromLowSToD(source.AsFpuRegisterPairLow<SRegister>());
-    DRegister second = FromLowSToD(destination.AsFpuRegisterPairLow<SRegister>());
-    __ vmovd(DTMP, first);
-    __ vmovd(first, second);
-    __ vmovd(second, DTMP);
-  } else if (source.IsFpuRegisterPair() || destination.IsFpuRegisterPair()) {
-    DRegister reg = source.IsFpuRegisterPair()
-        ? FromLowSToD(source.AsFpuRegisterPairLow<SRegister>())
-        : FromLowSToD(destination.AsFpuRegisterPairLow<SRegister>());
-    int mem = source.IsFpuRegisterPair()
-        ? destination.GetStackIndex()
-        : source.GetStackIndex();
-    __ vmovd(DTMP, reg);
-    __ LoadDFromOffset(reg, SP, mem);
-    __ StoreDToOffset(DTMP, SP, mem);
-  } else if (source.IsFpuRegister() || destination.IsFpuRegister()) {
-    SRegister reg = source.IsFpuRegister() ? source.AsFpuRegister<SRegister>()
-                                           : destination.AsFpuRegister<SRegister>();
-    int mem = source.IsFpuRegister()
-        ? destination.GetStackIndex()
-        : source.GetStackIndex();
-
-    __ vmovrs(IP, reg);
-    __ LoadSFromOffset(reg, SP, mem);
-    __ StoreToOffset(kStoreWord, IP, SP, mem);
-  } else if (source.IsDoubleStackSlot() && destination.IsDoubleStackSlot()) {
-    Exchange(source.GetStackIndex(), destination.GetStackIndex());
-    Exchange(source.GetHighStackIndex(kArmWordSize), destination.GetHighStackIndex(kArmWordSize));
-  } else {
-    LOG(FATAL) << "Unimplemented" << source << " <-> " << destination;
-  }
-}
-
-void ParallelMoveResolverARM::SpillScratch(int reg) {
-  __ Push(static_cast<Register>(reg));
-}
-
-void ParallelMoveResolverARM::RestoreScratch(int reg) {
-  __ Pop(static_cast<Register>(reg));
-}
-
-HLoadClass::LoadKind CodeGeneratorARM::GetSupportedLoadClassKind(
-    HLoadClass::LoadKind desired_class_load_kind) {
-  switch (desired_class_load_kind) {
-    case HLoadClass::LoadKind::kInvalid:
-      LOG(FATAL) << "UNREACHABLE";
-      UNREACHABLE();
-    case HLoadClass::LoadKind::kReferrersClass:
-      break;
-    case HLoadClass::LoadKind::kBootImageLinkTimePcRelative:
-    case HLoadClass::LoadKind::kBssEntry:
-      DCHECK(!Runtime::Current()->UseJitCompilation());
-      break;
-    case HLoadClass::LoadKind::kJitTableAddress:
-      DCHECK(Runtime::Current()->UseJitCompilation());
-      break;
-    case HLoadClass::LoadKind::kBootImageAddress:
-    case HLoadClass::LoadKind::kRuntimeCall:
-      break;
-  }
-  return desired_class_load_kind;
-}
-
-void LocationsBuilderARM::VisitLoadClass(HLoadClass* cls) {
-  HLoadClass::LoadKind load_kind = cls->GetLoadKind();
-  if (load_kind == HLoadClass::LoadKind::kRuntimeCall) {
-    InvokeRuntimeCallingConvention calling_convention;
-    CodeGenerator::CreateLoadClassRuntimeCallLocationSummary(
-        cls,
-        Location::RegisterLocation(calling_convention.GetRegisterAt(0)),
-        Location::RegisterLocation(R0));
-    DCHECK_EQ(calling_convention.GetRegisterAt(0), R0);
-    return;
-  }
-  DCHECK(!cls->NeedsAccessCheck());
-
-  const bool requires_read_barrier = kEmitCompilerReadBarrier && !cls->IsInBootImage();
-  LocationSummary::CallKind call_kind = (cls->NeedsEnvironment() || requires_read_barrier)
-      ? LocationSummary::kCallOnSlowPath
-      : LocationSummary::kNoCall;
-  LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(cls, call_kind);
-  if (kUseBakerReadBarrier && requires_read_barrier && !cls->NeedsEnvironment()) {
-    locations->SetCustomSlowPathCallerSaves(RegisterSet::Empty());  // No caller-save registers.
-  }
-
-  if (load_kind == HLoadClass::LoadKind::kReferrersClass) {
-    locations->SetInAt(0, Location::RequiresRegister());
-  }
-  locations->SetOut(Location::RequiresRegister());
-  if (load_kind == HLoadClass::LoadKind::kBssEntry) {
-    if (!kUseReadBarrier || kUseBakerReadBarrier) {
-      // Rely on the type resolution or initialization and marking to save everything we need.
-      // Note that IP may be clobbered by saving/restoring the live register (only one thanks
-      // to the custom calling convention) or by marking, so we request a different temp.
-      locations->AddTemp(Location::RequiresRegister());
-      RegisterSet caller_saves = RegisterSet::Empty();
-      InvokeRuntimeCallingConvention calling_convention;
-      caller_saves.Add(Location::RegisterLocation(calling_convention.GetRegisterAt(0)));
-      // TODO: Add GetReturnLocation() to the calling convention so that we can DCHECK()
-      // that the the kPrimNot result register is the same as the first argument register.
-      locations->SetCustomSlowPathCallerSaves(caller_saves);
-    } else {
-      // For non-Baker read barrier we have a temp-clobbering call.
-    }
-  }
-  if (kUseBakerReadBarrier && kBakerReadBarrierLinkTimeThunksEnableForGcRoots) {
-    if (load_kind == HLoadClass::LoadKind::kBssEntry ||
-        (load_kind == HLoadClass::LoadKind::kReferrersClass &&
-            !Runtime::Current()->UseJitCompilation())) {
-      locations->AddTemp(Location::RegisterLocation(kBakerCcEntrypointRegister));
-    }
-  }
-}
-
-// NO_THREAD_SAFETY_ANALYSIS as we manipulate handles whose internal object we know does not
-// move.
-void InstructionCodeGeneratorARM::VisitLoadClass(HLoadClass* cls) NO_THREAD_SAFETY_ANALYSIS {
-  HLoadClass::LoadKind load_kind = cls->GetLoadKind();
-  if (load_kind == HLoadClass::LoadKind::kRuntimeCall) {
-    codegen_->GenerateLoadClassRuntimeCall(cls);
-    return;
-  }
-  DCHECK(!cls->NeedsAccessCheck());
-
-  LocationSummary* locations = cls->GetLocations();
-  Location out_loc = locations->Out();
-  Register out = out_loc.AsRegister<Register>();
-
-  const ReadBarrierOption read_barrier_option = cls->IsInBootImage()
-      ? kWithoutReadBarrier
-      : kCompilerReadBarrierOption;
-  bool generate_null_check = false;
-  switch (load_kind) {
-    case HLoadClass::LoadKind::kReferrersClass: {
-      DCHECK(!cls->CanCallRuntime());
-      DCHECK(!cls->MustGenerateClinitCheck());
-      // /* GcRoot<mirror::Class> */ out = current_method->declaring_class_
-      Register current_method = locations->InAt(0).AsRegister<Register>();
-      GenerateGcRootFieldLoad(cls,
-                              out_loc,
-                              current_method,
-                              ArtMethod::DeclaringClassOffset().Int32Value(),
-                              read_barrier_option);
-      break;
-    }
-    case HLoadClass::LoadKind::kBootImageLinkTimePcRelative: {
-      DCHECK(codegen_->GetCompilerOptions().IsBootImage());
-      DCHECK_EQ(read_barrier_option, kWithoutReadBarrier);
-      CodeGeneratorARM::PcRelativePatchInfo* labels =
-          codegen_->NewPcRelativeTypePatch(cls->GetDexFile(), cls->GetTypeIndex());
-      __ BindTrackedLabel(&labels->movw_label);
-      __ movw(out, /* placeholder */ 0u);
-      __ BindTrackedLabel(&labels->movt_label);
-      __ movt(out, /* placeholder */ 0u);
-      __ BindTrackedLabel(&labels->add_pc_label);
-      __ add(out, out, ShifterOperand(PC));
-      break;
-    }
-    case HLoadClass::LoadKind::kBootImageAddress: {
-      DCHECK_EQ(read_barrier_option, kWithoutReadBarrier);
-      uint32_t address = dchecked_integral_cast<uint32_t>(
-          reinterpret_cast<uintptr_t>(cls->GetClass().Get()));
-      DCHECK_NE(address, 0u);
-      __ LoadLiteral(out, codegen_->DeduplicateBootImageAddressLiteral(address));
-      break;
-    }
-    case HLoadClass::LoadKind::kBssEntry: {
-      Register temp = (!kUseReadBarrier || kUseBakerReadBarrier)
-          ? locations->GetTemp(0).AsRegister<Register>()
-          : out;
-      CodeGeneratorARM::PcRelativePatchInfo* labels =
-          codegen_->NewTypeBssEntryPatch(cls->GetDexFile(), cls->GetTypeIndex());
-      __ BindTrackedLabel(&labels->movw_label);
-      __ movw(temp, /* placeholder */ 0u);
-      __ BindTrackedLabel(&labels->movt_label);
-      __ movt(temp, /* placeholder */ 0u);
-      __ BindTrackedLabel(&labels->add_pc_label);
-      __ add(temp, temp, ShifterOperand(PC));
-      GenerateGcRootFieldLoad(cls, out_loc, temp, /* offset */ 0, read_barrier_option);
-      generate_null_check = true;
-      break;
-    }
-    case HLoadClass::LoadKind::kJitTableAddress: {
-      __ LoadLiteral(out, codegen_->DeduplicateJitClassLiteral(cls->GetDexFile(),
-                                                               cls->GetTypeIndex(),
-                                                               cls->GetClass()));
-      // /* GcRoot<mirror::Class> */ out = *out
-      GenerateGcRootFieldLoad(cls, out_loc, out, /* offset */ 0, read_barrier_option);
-      break;
-    }
-    case HLoadClass::LoadKind::kRuntimeCall:
-    case HLoadClass::LoadKind::kInvalid:
-      LOG(FATAL) << "UNREACHABLE";
-      UNREACHABLE();
-  }
-
-  if (generate_null_check || cls->MustGenerateClinitCheck()) {
-    DCHECK(cls->CanCallRuntime());
-    SlowPathCodeARM* slow_path = new (GetGraph()->GetArena()) LoadClassSlowPathARM(
-        cls, cls, cls->GetDexPc(), cls->MustGenerateClinitCheck());
-    codegen_->AddSlowPath(slow_path);
-    if (generate_null_check) {
-      __ CompareAndBranchIfZero(out, slow_path->GetEntryLabel());
-    }
-    if (cls->MustGenerateClinitCheck()) {
-      GenerateClassInitializationCheck(slow_path, out);
-    } else {
-      __ Bind(slow_path->GetExitLabel());
-    }
-  }
-}
-
-void LocationsBuilderARM::VisitClinitCheck(HClinitCheck* check) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(check, LocationSummary::kCallOnSlowPath);
-  locations->SetInAt(0, Location::RequiresRegister());
-  if (check->HasUses()) {
-    locations->SetOut(Location::SameAsFirstInput());
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitClinitCheck(HClinitCheck* check) {
-  // We assume the class is not null.
-  SlowPathCodeARM* slow_path = new (GetGraph()->GetArena()) LoadClassSlowPathARM(
-      check->GetLoadClass(), check, check->GetDexPc(), true);
-  codegen_->AddSlowPath(slow_path);
-  GenerateClassInitializationCheck(slow_path,
-                                   check->GetLocations()->InAt(0).AsRegister<Register>());
-}
-
-void InstructionCodeGeneratorARM::GenerateClassInitializationCheck(
-    SlowPathCodeARM* slow_path, Register class_reg) {
-  __ LoadFromOffset(kLoadWord, IP, class_reg, mirror::Class::StatusOffset().Int32Value());
-  __ cmp(IP, ShifterOperand(mirror::Class::kStatusInitialized));
-  __ b(slow_path->GetEntryLabel(), LT);
-  // Even if the initialized flag is set, we may be in a situation where caches are not synced
-  // properly. Therefore, we do a memory fence.
-  __ dmb(ISH);
-  __ Bind(slow_path->GetExitLabel());
-}
-
-HLoadString::LoadKind CodeGeneratorARM::GetSupportedLoadStringKind(
-    HLoadString::LoadKind desired_string_load_kind) {
-  switch (desired_string_load_kind) {
-    case HLoadString::LoadKind::kBootImageLinkTimePcRelative:
-    case HLoadString::LoadKind::kBssEntry:
-      DCHECK(!Runtime::Current()->UseJitCompilation());
-      break;
-    case HLoadString::LoadKind::kJitTableAddress:
-      DCHECK(Runtime::Current()->UseJitCompilation());
-      break;
-    case HLoadString::LoadKind::kBootImageAddress:
-    case HLoadString::LoadKind::kRuntimeCall:
-      break;
-  }
-  return desired_string_load_kind;
-}
-
-void LocationsBuilderARM::VisitLoadString(HLoadString* load) {
-  LocationSummary::CallKind call_kind = CodeGenerator::GetLoadStringCallKind(load);
-  LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(load, call_kind);
-  HLoadString::LoadKind load_kind = load->GetLoadKind();
-  if (load_kind == HLoadString::LoadKind::kRuntimeCall) {
-    locations->SetOut(Location::RegisterLocation(R0));
-  } else {
-    locations->SetOut(Location::RequiresRegister());
-    if (load_kind == HLoadString::LoadKind::kBssEntry) {
-      if (!kUseReadBarrier || kUseBakerReadBarrier) {
-        // Rely on the pResolveString and marking to save everything we need, including temps.
-        // Note that IP may be clobbered by saving/restoring the live register (only one thanks
-        // to the custom calling convention) or by marking, so we request a different temp.
-        locations->AddTemp(Location::RequiresRegister());
-        RegisterSet caller_saves = RegisterSet::Empty();
-        InvokeRuntimeCallingConvention calling_convention;
-        caller_saves.Add(Location::RegisterLocation(calling_convention.GetRegisterAt(0)));
-        // TODO: Add GetReturnLocation() to the calling convention so that we can DCHECK()
-        // that the the kPrimNot result register is the same as the first argument register.
-        locations->SetCustomSlowPathCallerSaves(caller_saves);
-        if (kUseBakerReadBarrier && kBakerReadBarrierLinkTimeThunksEnableForGcRoots) {
-          locations->AddTemp(Location::RegisterLocation(kBakerCcEntrypointRegister));
-        }
-      } else {
-        // For non-Baker read barrier we have a temp-clobbering call.
-      }
-    }
-  }
-}
-
-// NO_THREAD_SAFETY_ANALYSIS as we manipulate handles whose internal object we know does not
-// move.
-void InstructionCodeGeneratorARM::VisitLoadString(HLoadString* load) NO_THREAD_SAFETY_ANALYSIS {
-  LocationSummary* locations = load->GetLocations();
-  Location out_loc = locations->Out();
-  Register out = out_loc.AsRegister<Register>();
-  HLoadString::LoadKind load_kind = load->GetLoadKind();
-
-  switch (load_kind) {
-    case HLoadString::LoadKind::kBootImageLinkTimePcRelative: {
-      DCHECK(codegen_->GetCompilerOptions().IsBootImage());
-      CodeGeneratorARM::PcRelativePatchInfo* labels =
-          codegen_->NewPcRelativeStringPatch(load->GetDexFile(), load->GetStringIndex());
-      __ BindTrackedLabel(&labels->movw_label);
-      __ movw(out, /* placeholder */ 0u);
-      __ BindTrackedLabel(&labels->movt_label);
-      __ movt(out, /* placeholder */ 0u);
-      __ BindTrackedLabel(&labels->add_pc_label);
-      __ add(out, out, ShifterOperand(PC));
-      return;  // No dex cache slow path.
-    }
-    case HLoadString::LoadKind::kBootImageAddress: {
-      uint32_t address = dchecked_integral_cast<uint32_t>(
-          reinterpret_cast<uintptr_t>(load->GetString().Get()));
-      DCHECK_NE(address, 0u);
-      __ LoadLiteral(out, codegen_->DeduplicateBootImageAddressLiteral(address));
-      return;  // No dex cache slow path.
-    }
-    case HLoadString::LoadKind::kBssEntry: {
-      DCHECK(!codegen_->GetCompilerOptions().IsBootImage());
-      Register temp = (!kUseReadBarrier || kUseBakerReadBarrier)
-          ? locations->GetTemp(0).AsRegister<Register>()
-          : out;
-      CodeGeneratorARM::PcRelativePatchInfo* labels =
-          codegen_->NewPcRelativeStringPatch(load->GetDexFile(), load->GetStringIndex());
-      __ BindTrackedLabel(&labels->movw_label);
-      __ movw(temp, /* placeholder */ 0u);
-      __ BindTrackedLabel(&labels->movt_label);
-      __ movt(temp, /* placeholder */ 0u);
-      __ BindTrackedLabel(&labels->add_pc_label);
-      __ add(temp, temp, ShifterOperand(PC));
-      GenerateGcRootFieldLoad(load, out_loc, temp, /* offset */ 0, kCompilerReadBarrierOption);
-      SlowPathCode* slow_path = new (GetGraph()->GetArena()) LoadStringSlowPathARM(load);
-      codegen_->AddSlowPath(slow_path);
-      __ CompareAndBranchIfZero(out, slow_path->GetEntryLabel());
-      __ Bind(slow_path->GetExitLabel());
-      return;
-    }
-    case HLoadString::LoadKind::kJitTableAddress: {
-      __ LoadLiteral(out, codegen_->DeduplicateJitStringLiteral(load->GetDexFile(),
-                                                                load->GetStringIndex(),
-                                                                load->GetString()));
-      // /* GcRoot<mirror::String> */ out = *out
-      GenerateGcRootFieldLoad(load, out_loc, out, /* offset */ 0, kCompilerReadBarrierOption);
-      return;
-    }
-    default:
-      break;
-  }
-
-  // TODO: Consider re-adding the compiler code to do string dex cache lookup again.
-  DCHECK(load_kind == HLoadString::LoadKind::kRuntimeCall);
-  InvokeRuntimeCallingConvention calling_convention;
-  DCHECK_EQ(calling_convention.GetRegisterAt(0), out);
-  __ LoadImmediate(calling_convention.GetRegisterAt(0), load->GetStringIndex().index_);
-  codegen_->InvokeRuntime(kQuickResolveString, load, load->GetDexPc());
-  CheckEntrypointTypes<kQuickResolveString, void*, uint32_t>();
-}
-
-static int32_t GetExceptionTlsOffset() {
-  return Thread::ExceptionOffset<kArmPointerSize>().Int32Value();
-}
-
-void LocationsBuilderARM::VisitLoadException(HLoadException* load) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(load, LocationSummary::kNoCall);
-  locations->SetOut(Location::RequiresRegister());
-}
-
-void InstructionCodeGeneratorARM::VisitLoadException(HLoadException* load) {
-  Register out = load->GetLocations()->Out().AsRegister<Register>();
-  __ LoadFromOffset(kLoadWord, out, TR, GetExceptionTlsOffset());
-}
-
-void LocationsBuilderARM::VisitClearException(HClearException* clear) {
-  new (GetGraph()->GetArena()) LocationSummary(clear, LocationSummary::kNoCall);
-}
-
-void InstructionCodeGeneratorARM::VisitClearException(HClearException* clear ATTRIBUTE_UNUSED) {
-  __ LoadImmediate(IP, 0);
-  __ StoreToOffset(kStoreWord, IP, TR, GetExceptionTlsOffset());
-}
-
-void LocationsBuilderARM::VisitThrow(HThrow* instruction) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCallOnMainOnly);
-  InvokeRuntimeCallingConvention calling_convention;
-  locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0)));
-}
-
-void InstructionCodeGeneratorARM::VisitThrow(HThrow* instruction) {
-  codegen_->InvokeRuntime(kQuickDeliverException, instruction, instruction->GetDexPc());
-  CheckEntrypointTypes<kQuickDeliverException, void, mirror::Object*>();
-}
-
-// Temp is used for read barrier.
-static size_t NumberOfInstanceOfTemps(TypeCheckKind type_check_kind) {
-  if (kEmitCompilerReadBarrier &&
-       (kUseBakerReadBarrier ||
-          type_check_kind == TypeCheckKind::kAbstractClassCheck ||
-          type_check_kind == TypeCheckKind::kClassHierarchyCheck ||
-          type_check_kind == TypeCheckKind::kArrayObjectCheck)) {
-    return 1;
-  }
-  return 0;
-}
-
-// Interface case has 3 temps, one for holding the number of interfaces, one for the current
-// interface pointer, one for loading the current interface.
-// The other checks have one temp for loading the object's class.
-static size_t NumberOfCheckCastTemps(TypeCheckKind type_check_kind) {
-  if (type_check_kind == TypeCheckKind::kInterfaceCheck) {
-    return 3;
-  }
-  return 1 + NumberOfInstanceOfTemps(type_check_kind);
-}
-
-void LocationsBuilderARM::VisitInstanceOf(HInstanceOf* instruction) {
-  LocationSummary::CallKind call_kind = LocationSummary::kNoCall;
-  TypeCheckKind type_check_kind = instruction->GetTypeCheckKind();
-  bool baker_read_barrier_slow_path = false;
-  switch (type_check_kind) {
-    case TypeCheckKind::kExactCheck:
-    case TypeCheckKind::kAbstractClassCheck:
-    case TypeCheckKind::kClassHierarchyCheck:
-    case TypeCheckKind::kArrayObjectCheck:
-      call_kind =
-          kEmitCompilerReadBarrier ? LocationSummary::kCallOnSlowPath : LocationSummary::kNoCall;
-      baker_read_barrier_slow_path = kUseBakerReadBarrier;
-      break;
-    case TypeCheckKind::kArrayCheck:
-    case TypeCheckKind::kUnresolvedCheck:
-    case TypeCheckKind::kInterfaceCheck:
-      call_kind = LocationSummary::kCallOnSlowPath;
-      break;
-  }
-
-  LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction, call_kind);
-  if (baker_read_barrier_slow_path) {
-    locations->SetCustomSlowPathCallerSaves(RegisterSet::Empty());  // No caller-save registers.
-  }
-  locations->SetInAt(0, Location::RequiresRegister());
-  locations->SetInAt(1, Location::RequiresRegister());
-  // The "out" register is used as a temporary, so it overlaps with the inputs.
-  // Note that TypeCheckSlowPathARM uses this register too.
-  locations->SetOut(Location::RequiresRegister(), Location::kOutputOverlap);
-  locations->AddRegisterTemps(NumberOfInstanceOfTemps(type_check_kind));
-  if (kEmitCompilerReadBarrier && kUseBakerReadBarrier) {
-    codegen_->MaybeAddBakerCcEntrypointTempForFields(locations);
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitInstanceOf(HInstanceOf* instruction) {
-  TypeCheckKind type_check_kind = instruction->GetTypeCheckKind();
-  LocationSummary* locations = instruction->GetLocations();
-  Location obj_loc = locations->InAt(0);
-  Register obj = obj_loc.AsRegister<Register>();
-  Register cls = locations->InAt(1).AsRegister<Register>();
-  Location out_loc = locations->Out();
-  Register out = out_loc.AsRegister<Register>();
-  const size_t num_temps = NumberOfInstanceOfTemps(type_check_kind);
-  DCHECK_LE(num_temps, 1u);
-  Location maybe_temp_loc = (num_temps >= 1) ? locations->GetTemp(0) : Location::NoLocation();
-  uint32_t class_offset = mirror::Object::ClassOffset().Int32Value();
-  uint32_t super_offset = mirror::Class::SuperClassOffset().Int32Value();
-  uint32_t component_offset = mirror::Class::ComponentTypeOffset().Int32Value();
-  uint32_t primitive_offset = mirror::Class::PrimitiveTypeOffset().Int32Value();
-  Label done;
-  Label* const final_label = codegen_->GetFinalLabel(instruction, &done);
-  SlowPathCodeARM* slow_path = nullptr;
-
-  // Return 0 if `obj` is null.
-  // avoid null check if we know obj is not null.
-  if (instruction->MustDoNullCheck()) {
-    DCHECK_NE(out, obj);
-    __ LoadImmediate(out, 0);
-    __ CompareAndBranchIfZero(obj, final_label);
-  }
-
-  switch (type_check_kind) {
-    case TypeCheckKind::kExactCheck: {
-      // /* HeapReference<Class> */ out = obj->klass_
-      GenerateReferenceLoadTwoRegisters(instruction,
-                                        out_loc,
-                                        obj_loc,
-                                        class_offset,
-                                        maybe_temp_loc,
-                                        kCompilerReadBarrierOption);
-      // Classes must be equal for the instanceof to succeed.
-      __ cmp(out, ShifterOperand(cls));
-      // We speculatively set the result to false without changing the condition
-      // flags, which allows us to avoid some branching later.
-      __ mov(out, ShifterOperand(0), AL, kCcKeep);
-
-      // Since IT blocks longer than a 16-bit instruction are deprecated by ARMv8,
-      // we check that the output is in a low register, so that a 16-bit MOV
-      // encoding can be used.
-      if (ArmAssembler::IsLowRegister(out)) {
-        __ it(EQ);
-        __ mov(out, ShifterOperand(1), EQ);
-      } else {
-        __ b(final_label, NE);
-        __ LoadImmediate(out, 1);
-      }
-
-      break;
-    }
-
-    case TypeCheckKind::kAbstractClassCheck: {
-      // /* HeapReference<Class> */ out = obj->klass_
-      GenerateReferenceLoadTwoRegisters(instruction,
-                                        out_loc,
-                                        obj_loc,
-                                        class_offset,
-                                        maybe_temp_loc,
-                                        kCompilerReadBarrierOption);
-      // If the class is abstract, we eagerly fetch the super class of the
-      // object to avoid doing a comparison we know will fail.
-      Label loop;
-      __ Bind(&loop);
-      // /* HeapReference<Class> */ out = out->super_class_
-      GenerateReferenceLoadOneRegister(instruction,
-                                       out_loc,
-                                       super_offset,
-                                       maybe_temp_loc,
-                                       kCompilerReadBarrierOption);
-      // If `out` is null, we use it for the result, and jump to the final label.
-      __ CompareAndBranchIfZero(out, final_label);
-      __ cmp(out, ShifterOperand(cls));
-      __ b(&loop, NE);
-      __ LoadImmediate(out, 1);
-      break;
-    }
-
-    case TypeCheckKind::kClassHierarchyCheck: {
-      // /* HeapReference<Class> */ out = obj->klass_
-      GenerateReferenceLoadTwoRegisters(instruction,
-                                        out_loc,
-                                        obj_loc,
-                                        class_offset,
-                                        maybe_temp_loc,
-                                        kCompilerReadBarrierOption);
-      // Walk over the class hierarchy to find a match.
-      Label loop, success;
-      __ Bind(&loop);
-      __ cmp(out, ShifterOperand(cls));
-      __ b(&success, EQ);
-      // /* HeapReference<Class> */ out = out->super_class_
-      GenerateReferenceLoadOneRegister(instruction,
-                                       out_loc,
-                                       super_offset,
-                                       maybe_temp_loc,
-                                       kCompilerReadBarrierOption);
-      // This is essentially a null check, but it sets the condition flags to the
-      // proper value for the code that follows the loop, i.e. not `EQ`.
-      __ cmp(out, ShifterOperand(1));
-      __ b(&loop, HS);
-
-      // Since IT blocks longer than a 16-bit instruction are deprecated by ARMv8,
-      // we check that the output is in a low register, so that a 16-bit MOV
-      // encoding can be used.
-      if (ArmAssembler::IsLowRegister(out)) {
-        // If `out` is null, we use it for the result, and the condition flags
-        // have already been set to `NE`, so the IT block that comes afterwards
-        // (and which handles the successful case) turns into a NOP (instead of
-        // overwriting `out`).
-        __ Bind(&success);
-        // There is only one branch to the `success` label (which is bound to this
-        // IT block), and it has the same condition, `EQ`, so in that case the MOV
-        // is executed.
-        __ it(EQ);
-        __ mov(out, ShifterOperand(1), EQ);
-      } else {
-        // If `out` is null, we use it for the result, and jump to the final label.
-        __ b(final_label);
-        __ Bind(&success);
-        __ LoadImmediate(out, 1);
-      }
-
-      break;
-    }
-
-    case TypeCheckKind::kArrayObjectCheck: {
-      // /* HeapReference<Class> */ out = obj->klass_
-      GenerateReferenceLoadTwoRegisters(instruction,
-                                        out_loc,
-                                        obj_loc,
-                                        class_offset,
-                                        maybe_temp_loc,
-                                        kCompilerReadBarrierOption);
-      // Do an exact check.
-      Label exact_check;
-      __ cmp(out, ShifterOperand(cls));
-      __ b(&exact_check, EQ);
-      // Otherwise, we need to check that the object's class is a non-primitive array.
-      // /* HeapReference<Class> */ out = out->component_type_
-      GenerateReferenceLoadOneRegister(instruction,
-                                       out_loc,
-                                       component_offset,
-                                       maybe_temp_loc,
-                                       kCompilerReadBarrierOption);
-      // If `out` is null, we use it for the result, and jump to the final label.
-      __ CompareAndBranchIfZero(out, final_label);
-      __ LoadFromOffset(kLoadUnsignedHalfword, out, out, primitive_offset);
-      static_assert(Primitive::kPrimNot == 0, "Expected 0 for kPrimNot");
-      __ cmp(out, ShifterOperand(0));
-      // We speculatively set the result to false without changing the condition
-      // flags, which allows us to avoid some branching later.
-      __ mov(out, ShifterOperand(0), AL, kCcKeep);
-
-      // Since IT blocks longer than a 16-bit instruction are deprecated by ARMv8,
-      // we check that the output is in a low register, so that a 16-bit MOV
-      // encoding can be used.
-      if (ArmAssembler::IsLowRegister(out)) {
-        __ Bind(&exact_check);
-        __ it(EQ);
-        __ mov(out, ShifterOperand(1), EQ);
-      } else {
-        __ b(final_label, NE);
-        __ Bind(&exact_check);
-        __ LoadImmediate(out, 1);
-      }
-
-      break;
-    }
-
-    case TypeCheckKind::kArrayCheck: {
-      // No read barrier since the slow path will retry upon failure.
-      // /* HeapReference<Class> */ out = obj->klass_
-      GenerateReferenceLoadTwoRegisters(instruction,
-                                        out_loc,
-                                        obj_loc,
-                                        class_offset,
-                                        maybe_temp_loc,
-                                        kWithoutReadBarrier);
-      __ cmp(out, ShifterOperand(cls));
-      DCHECK(locations->OnlyCallsOnSlowPath());
-      slow_path = new (GetGraph()->GetArena()) TypeCheckSlowPathARM(instruction,
-                                                                    /* is_fatal */ false);
-      codegen_->AddSlowPath(slow_path);
-      __ b(slow_path->GetEntryLabel(), NE);
-      __ LoadImmediate(out, 1);
-      break;
-    }
-
-    case TypeCheckKind::kUnresolvedCheck:
-    case TypeCheckKind::kInterfaceCheck: {
-      // Note that we indeed only call on slow path, but we always go
-      // into the slow path for the unresolved and interface check
-      // cases.
-      //
-      // We cannot directly call the InstanceofNonTrivial runtime
-      // entry point without resorting to a type checking slow path
-      // here (i.e. by calling InvokeRuntime directly), as it would
-      // require to assign fixed registers for the inputs of this
-      // HInstanceOf instruction (following the runtime calling
-      // convention), which might be cluttered by the potential first
-      // read barrier emission at the beginning of this method.
-      //
-      // TODO: Introduce a new runtime entry point taking the object
-      // to test (instead of its class) as argument, and let it deal
-      // with the read barrier issues. This will let us refactor this
-      // case of the `switch` code as it was previously (with a direct
-      // call to the runtime not using a type checking slow path).
-      // This should also be beneficial for the other cases above.
-      DCHECK(locations->OnlyCallsOnSlowPath());
-      slow_path = new (GetGraph()->GetArena()) TypeCheckSlowPathARM(instruction,
-                                                                    /* is_fatal */ false);
-      codegen_->AddSlowPath(slow_path);
-      __ b(slow_path->GetEntryLabel());
-      break;
-    }
-  }
-
-  if (done.IsLinked()) {
-    __ Bind(&done);
-  }
-
-  if (slow_path != nullptr) {
-    __ Bind(slow_path->GetExitLabel());
-  }
-}
-
-void LocationsBuilderARM::VisitCheckCast(HCheckCast* instruction) {
-  LocationSummary::CallKind call_kind = LocationSummary::kNoCall;
-  bool throws_into_catch = instruction->CanThrowIntoCatchBlock();
-
-  TypeCheckKind type_check_kind = instruction->GetTypeCheckKind();
-  switch (type_check_kind) {
-    case TypeCheckKind::kExactCheck:
-    case TypeCheckKind::kAbstractClassCheck:
-    case TypeCheckKind::kClassHierarchyCheck:
-    case TypeCheckKind::kArrayObjectCheck:
-      call_kind = (throws_into_catch || kEmitCompilerReadBarrier) ?
-          LocationSummary::kCallOnSlowPath :
-          LocationSummary::kNoCall;  // In fact, call on a fatal (non-returning) slow path.
-      break;
-    case TypeCheckKind::kArrayCheck:
-    case TypeCheckKind::kUnresolvedCheck:
-    case TypeCheckKind::kInterfaceCheck:
-      call_kind = LocationSummary::kCallOnSlowPath;
-      break;
-  }
-
-  LocationSummary* locations = new (GetGraph()->GetArena()) LocationSummary(instruction, call_kind);
-  locations->SetInAt(0, Location::RequiresRegister());
-  locations->SetInAt(1, Location::RequiresRegister());
-  locations->AddRegisterTemps(NumberOfCheckCastTemps(type_check_kind));
-}
-
-void InstructionCodeGeneratorARM::VisitCheckCast(HCheckCast* instruction) {
-  TypeCheckKind type_check_kind = instruction->GetTypeCheckKind();
-  LocationSummary* locations = instruction->GetLocations();
-  Location obj_loc = locations->InAt(0);
-  Register obj = obj_loc.AsRegister<Register>();
-  Register cls = locations->InAt(1).AsRegister<Register>();
-  Location temp_loc = locations->GetTemp(0);
-  Register temp = temp_loc.AsRegister<Register>();
-  const size_t num_temps = NumberOfCheckCastTemps(type_check_kind);
-  DCHECK_LE(num_temps, 3u);
-  Location maybe_temp2_loc = (num_temps >= 2) ? locations->GetTemp(1) : Location::NoLocation();
-  Location maybe_temp3_loc = (num_temps >= 3) ? locations->GetTemp(2) : Location::NoLocation();
-  const uint32_t class_offset = mirror::Object::ClassOffset().Int32Value();
-  const uint32_t super_offset = mirror::Class::SuperClassOffset().Int32Value();
-  const uint32_t component_offset = mirror::Class::ComponentTypeOffset().Int32Value();
-  const uint32_t primitive_offset = mirror::Class::PrimitiveTypeOffset().Int32Value();
-  const uint32_t iftable_offset = mirror::Class::IfTableOffset().Uint32Value();
-  const uint32_t array_length_offset = mirror::Array::LengthOffset().Uint32Value();
-  const uint32_t object_array_data_offset =
-      mirror::Array::DataOffset(kHeapReferenceSize).Uint32Value();
-
-  // Always false for read barriers since we may need to go to the entrypoint for non-fatal cases
-  // from false negatives. The false negatives may come from avoiding read barriers below. Avoiding
-  // read barriers is done for performance and code size reasons.
-  bool is_type_check_slow_path_fatal = false;
-  if (!kEmitCompilerReadBarrier) {
-    is_type_check_slow_path_fatal =
-        (type_check_kind == TypeCheckKind::kExactCheck ||
-         type_check_kind == TypeCheckKind::kAbstractClassCheck ||
-         type_check_kind == TypeCheckKind::kClassHierarchyCheck ||
-         type_check_kind == TypeCheckKind::kArrayObjectCheck) &&
-        !instruction->CanThrowIntoCatchBlock();
-  }
-  SlowPathCodeARM* type_check_slow_path =
-      new (GetGraph()->GetArena()) TypeCheckSlowPathARM(instruction,
-                                                        is_type_check_slow_path_fatal);
-  codegen_->AddSlowPath(type_check_slow_path);
-
-  Label done;
-  Label* final_label = codegen_->GetFinalLabel(instruction, &done);
-  // Avoid null check if we know obj is not null.
-  if (instruction->MustDoNullCheck()) {
-    __ CompareAndBranchIfZero(obj, final_label);
-  }
-
-  switch (type_check_kind) {
-    case TypeCheckKind::kExactCheck:
-    case TypeCheckKind::kArrayCheck: {
-      // /* HeapReference<Class> */ temp = obj->klass_
-      GenerateReferenceLoadTwoRegisters(instruction,
-                                        temp_loc,
-                                        obj_loc,
-                                        class_offset,
-                                        maybe_temp2_loc,
-                                        kWithoutReadBarrier);
-
-      __ cmp(temp, ShifterOperand(cls));
-      // Jump to slow path for throwing the exception or doing a
-      // more involved array check.
-      __ b(type_check_slow_path->GetEntryLabel(), NE);
-      break;
-    }
-
-    case TypeCheckKind::kAbstractClassCheck: {
-      // /* HeapReference<Class> */ temp = obj->klass_
-      GenerateReferenceLoadTwoRegisters(instruction,
-                                        temp_loc,
-                                        obj_loc,
-                                        class_offset,
-                                        maybe_temp2_loc,
-                                        kWithoutReadBarrier);
-
-      // If the class is abstract, we eagerly fetch the super class of the
-      // object to avoid doing a comparison we know will fail.
-      Label loop;
-      __ Bind(&loop);
-      // /* HeapReference<Class> */ temp = temp->super_class_
-      GenerateReferenceLoadOneRegister(instruction,
-                                       temp_loc,
-                                       super_offset,
-                                       maybe_temp2_loc,
-                                       kWithoutReadBarrier);
-
-      // If the class reference currently in `temp` is null, jump to the slow path to throw the
-      // exception.
-      __ CompareAndBranchIfZero(temp, type_check_slow_path->GetEntryLabel());
-
-      // Otherwise, compare the classes.
-      __ cmp(temp, ShifterOperand(cls));
-      __ b(&loop, NE);
-      break;
-    }
-
-    case TypeCheckKind::kClassHierarchyCheck: {
-      // /* HeapReference<Class> */ temp = obj->klass_
-      GenerateReferenceLoadTwoRegisters(instruction,
-                                        temp_loc,
-                                        obj_loc,
-                                        class_offset,
-                                        maybe_temp2_loc,
-                                        kWithoutReadBarrier);
-
-      // Walk over the class hierarchy to find a match.
-      Label loop;
-      __ Bind(&loop);
-      __ cmp(temp, ShifterOperand(cls));
-      __ b(final_label, EQ);
-
-      // /* HeapReference<Class> */ temp = temp->super_class_
-      GenerateReferenceLoadOneRegister(instruction,
-                                       temp_loc,
-                                       super_offset,
-                                       maybe_temp2_loc,
-                                       kWithoutReadBarrier);
-
-      // If the class reference currently in `temp` is null, jump to the slow path to throw the
-      // exception.
-      __ CompareAndBranchIfZero(temp, type_check_slow_path->GetEntryLabel());
-      // Otherwise, jump to the beginning of the loop.
-      __ b(&loop);
-      break;
-    }
-
-    case TypeCheckKind::kArrayObjectCheck: {
-      // /* HeapReference<Class> */ temp = obj->klass_
-      GenerateReferenceLoadTwoRegisters(instruction,
-                                        temp_loc,
-                                        obj_loc,
-                                        class_offset,
-                                        maybe_temp2_loc,
-                                        kWithoutReadBarrier);
-
-      // Do an exact check.
-      __ cmp(temp, ShifterOperand(cls));
-      __ b(final_label, EQ);
-
-      // Otherwise, we need to check that the object's class is a non-primitive array.
-      // /* HeapReference<Class> */ temp = temp->component_type_
-      GenerateReferenceLoadOneRegister(instruction,
-                                       temp_loc,
-                                       component_offset,
-                                       maybe_temp2_loc,
-                                       kWithoutReadBarrier);
-      // If the component type is null, jump to the slow path to throw the exception.
-      __ CompareAndBranchIfZero(temp, type_check_slow_path->GetEntryLabel());
-      // Otherwise,the object is indeed an array, jump to label `check_non_primitive_component_type`
-      // to further check that this component type is not a primitive type.
-      __ LoadFromOffset(kLoadUnsignedHalfword, temp, temp, primitive_offset);
-      static_assert(Primitive::kPrimNot == 0, "Expected 0 for art::Primitive::kPrimNot");
-      __ CompareAndBranchIfNonZero(temp, type_check_slow_path->GetEntryLabel());
-      break;
-    }
-
-    case TypeCheckKind::kUnresolvedCheck:
-      // We always go into the type check slow path for the unresolved check case.
-      // We cannot directly call the CheckCast runtime entry point
-      // without resorting to a type checking slow path here (i.e. by
-      // calling InvokeRuntime directly), as it would require to
-      // assign fixed registers for the inputs of this HInstanceOf
-      // instruction (following the runtime calling convention), which
-      // might be cluttered by the potential first read barrier
-      // emission at the beginning of this method.
-
-      __ b(type_check_slow_path->GetEntryLabel());
-      break;
-
-    case TypeCheckKind::kInterfaceCheck: {
-      // Avoid read barriers to improve performance of the fast path. We can not get false
-      // positives by doing this.
-      // /* HeapReference<Class> */ temp = obj->klass_
-      GenerateReferenceLoadTwoRegisters(instruction,
-                                        temp_loc,
-                                        obj_loc,
-                                        class_offset,
-                                        maybe_temp2_loc,
-                                        kWithoutReadBarrier);
-
-      // /* HeapReference<Class> */ temp = temp->iftable_
-      GenerateReferenceLoadTwoRegisters(instruction,
-                                        temp_loc,
-                                        temp_loc,
-                                        iftable_offset,
-                                        maybe_temp2_loc,
-                                        kWithoutReadBarrier);
-      // Iftable is never null.
-      __ ldr(maybe_temp2_loc.AsRegister<Register>(), Address(temp, array_length_offset));
-      // Loop through the iftable and check if any class matches.
-      Label start_loop;
-      __ Bind(&start_loop);
-      __ CompareAndBranchIfZero(maybe_temp2_loc.AsRegister<Register>(),
-                                type_check_slow_path->GetEntryLabel());
-      __ ldr(maybe_temp3_loc.AsRegister<Register>(), Address(temp, object_array_data_offset));
-      __ MaybeUnpoisonHeapReference(maybe_temp3_loc.AsRegister<Register>());
-      // Go to next interface.
-      __ add(temp, temp, ShifterOperand(2 * kHeapReferenceSize));
-      __ sub(maybe_temp2_loc.AsRegister<Register>(),
-             maybe_temp2_loc.AsRegister<Register>(),
-             ShifterOperand(2));
-      // Compare the classes and continue the loop if they do not match.
-      __ cmp(cls, ShifterOperand(maybe_temp3_loc.AsRegister<Register>()));
-      __ b(&start_loop, NE);
-      break;
-    }
-  }
-
-  if (done.IsLinked()) {
-    __ Bind(&done);
-  }
-
-  __ Bind(type_check_slow_path->GetExitLabel());
-}
-
-void LocationsBuilderARM::VisitMonitorOperation(HMonitorOperation* instruction) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kCallOnMainOnly);
-  InvokeRuntimeCallingConvention calling_convention;
-  locations->SetInAt(0, Location::RegisterLocation(calling_convention.GetRegisterAt(0)));
-}
-
-void InstructionCodeGeneratorARM::VisitMonitorOperation(HMonitorOperation* instruction) {
-  codegen_->InvokeRuntime(instruction->IsEnter() ? kQuickLockObject : kQuickUnlockObject,
-                          instruction,
-                          instruction->GetDexPc());
-  if (instruction->IsEnter()) {
-    CheckEntrypointTypes<kQuickLockObject, void, mirror::Object*>();
-  } else {
-    CheckEntrypointTypes<kQuickUnlockObject, void, mirror::Object*>();
-  }
-}
-
-void LocationsBuilderARM::VisitAnd(HAnd* instruction) { HandleBitwiseOperation(instruction, AND); }
-void LocationsBuilderARM::VisitOr(HOr* instruction) { HandleBitwiseOperation(instruction, ORR); }
-void LocationsBuilderARM::VisitXor(HXor* instruction) { HandleBitwiseOperation(instruction, EOR); }
-
-void LocationsBuilderARM::HandleBitwiseOperation(HBinaryOperation* instruction, Opcode opcode) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
-  DCHECK(instruction->GetResultType() == Primitive::kPrimInt
-         || instruction->GetResultType() == Primitive::kPrimLong);
-  // Note: GVN reorders commutative operations to have the constant on the right hand side.
-  locations->SetInAt(0, Location::RequiresRegister());
-  locations->SetInAt(1, ArmEncodableConstantOrRegister(instruction->InputAt(1), opcode));
-  locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-}
-
-void InstructionCodeGeneratorARM::VisitAnd(HAnd* instruction) {
-  HandleBitwiseOperation(instruction);
-}
-
-void InstructionCodeGeneratorARM::VisitOr(HOr* instruction) {
-  HandleBitwiseOperation(instruction);
-}
-
-void InstructionCodeGeneratorARM::VisitXor(HXor* instruction) {
-  HandleBitwiseOperation(instruction);
-}
-
-
-void LocationsBuilderARM::VisitBitwiseNegatedRight(HBitwiseNegatedRight* instruction) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
-  DCHECK(instruction->GetResultType() == Primitive::kPrimInt
-         || instruction->GetResultType() == Primitive::kPrimLong);
-
-  locations->SetInAt(0, Location::RequiresRegister());
-  locations->SetInAt(1, Location::RequiresRegister());
-  locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-}
-
-void InstructionCodeGeneratorARM::VisitBitwiseNegatedRight(HBitwiseNegatedRight* instruction) {
-  LocationSummary* locations = instruction->GetLocations();
-  Location first = locations->InAt(0);
-  Location second = locations->InAt(1);
-  Location out = locations->Out();
-
-  if (instruction->GetResultType() == Primitive::kPrimInt) {
-    Register first_reg = first.AsRegister<Register>();
-    ShifterOperand second_reg(second.AsRegister<Register>());
-    Register out_reg = out.AsRegister<Register>();
-
-    switch (instruction->GetOpKind()) {
-      case HInstruction::kAnd:
-        __ bic(out_reg, first_reg, second_reg);
-        break;
-      case HInstruction::kOr:
-        __ orn(out_reg, first_reg, second_reg);
-        break;
-      // There is no EON on arm.
-      case HInstruction::kXor:
-      default:
-        LOG(FATAL) << "Unexpected instruction " << instruction->DebugName();
-        UNREACHABLE();
-    }
-    return;
-
-  } else {
-    DCHECK_EQ(instruction->GetResultType(), Primitive::kPrimLong);
-    Register first_low = first.AsRegisterPairLow<Register>();
-    Register first_high = first.AsRegisterPairHigh<Register>();
-    ShifterOperand second_low(second.AsRegisterPairLow<Register>());
-    ShifterOperand second_high(second.AsRegisterPairHigh<Register>());
-    Register out_low = out.AsRegisterPairLow<Register>();
-    Register out_high = out.AsRegisterPairHigh<Register>();
-
-    switch (instruction->GetOpKind()) {
-      case HInstruction::kAnd:
-        __ bic(out_low, first_low, second_low);
-        __ bic(out_high, first_high, second_high);
-        break;
-      case HInstruction::kOr:
-        __ orn(out_low, first_low, second_low);
-        __ orn(out_high, first_high, second_high);
-        break;
-      // There is no EON on arm.
-      case HInstruction::kXor:
-      default:
-        LOG(FATAL) << "Unexpected instruction " << instruction->DebugName();
-        UNREACHABLE();
-    }
-  }
-}
-
-void LocationsBuilderARM::VisitDataProcWithShifterOp(
-    HDataProcWithShifterOp* instruction) {
-  DCHECK(instruction->GetType() == Primitive::kPrimInt ||
-         instruction->GetType() == Primitive::kPrimLong);
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
-  const bool overlap = instruction->GetType() == Primitive::kPrimLong &&
-                       HDataProcWithShifterOp::IsExtensionOp(instruction->GetOpKind());
-
-  locations->SetInAt(0, Location::RequiresRegister());
-  locations->SetInAt(1, Location::RequiresRegister());
-  locations->SetOut(Location::RequiresRegister(),
-                    overlap ? Location::kOutputOverlap : Location::kNoOutputOverlap);
-}
-
-void InstructionCodeGeneratorARM::VisitDataProcWithShifterOp(
-    HDataProcWithShifterOp* instruction) {
-  const LocationSummary* const locations = instruction->GetLocations();
-  const HInstruction::InstructionKind kind = instruction->GetInstrKind();
-  const HDataProcWithShifterOp::OpKind op_kind = instruction->GetOpKind();
-  const Location left = locations->InAt(0);
-  const Location right = locations->InAt(1);
-  const Location out = locations->Out();
-
-  if (instruction->GetType() == Primitive::kPrimInt) {
-    DCHECK(!HDataProcWithShifterOp::IsExtensionOp(op_kind));
-
-    const Register second = instruction->InputAt(1)->GetType() == Primitive::kPrimLong
-        ? right.AsRegisterPairLow<Register>()
-        : right.AsRegister<Register>();
-
-    GenerateDataProcInstruction(kind,
-                                out.AsRegister<Register>(),
-                                left.AsRegister<Register>(),
-                                ShifterOperand(second,
-                                               ShiftFromOpKind(op_kind),
-                                               instruction->GetShiftAmount()),
-                                codegen_);
-  } else {
-    DCHECK_EQ(instruction->GetType(), Primitive::kPrimLong);
-
-    if (HDataProcWithShifterOp::IsExtensionOp(op_kind)) {
-      const Register second = right.AsRegister<Register>();
-
-      DCHECK_NE(out.AsRegisterPairLow<Register>(), second);
-      GenerateDataProc(kind,
-                       out,
-                       left,
-                       ShifterOperand(second),
-                       ShifterOperand(second, ASR, 31),
-                       codegen_);
-    } else {
-      GenerateLongDataProc(instruction, codegen_);
-    }
-  }
-}
-
-void InstructionCodeGeneratorARM::GenerateAndConst(Register out, Register first, uint32_t value) {
-  // Optimize special cases for individual halfs of `and-long` (`and` is simplified earlier).
-  if (value == 0xffffffffu) {
-    if (out != first) {
-      __ mov(out, ShifterOperand(first));
-    }
-    return;
-  }
-  if (value == 0u) {
-    __ mov(out, ShifterOperand(0));
-    return;
-  }
-  ShifterOperand so;
-  if (__ ShifterOperandCanHold(kNoRegister, kNoRegister, AND, value, &so)) {
-    __ and_(out, first, so);
-  } else if (__ ShifterOperandCanHold(kNoRegister, kNoRegister, BIC, ~value, &so)) {
-    __ bic(out, first, ShifterOperand(~value));
-  } else {
-    DCHECK(IsPowerOfTwo(value + 1));
-    __ ubfx(out, first, 0, WhichPowerOf2(value + 1));
-  }
-}
-
-void InstructionCodeGeneratorARM::GenerateOrrConst(Register out, Register first, uint32_t value) {
-  // Optimize special cases for individual halfs of `or-long` (`or` is simplified earlier).
-  if (value == 0u) {
-    if (out != first) {
-      __ mov(out, ShifterOperand(first));
-    }
-    return;
-  }
-  if (value == 0xffffffffu) {
-    __ mvn(out, ShifterOperand(0));
-    return;
-  }
-  ShifterOperand so;
-  if (__ ShifterOperandCanHold(kNoRegister, kNoRegister, ORR, value, &so)) {
-    __ orr(out, first, so);
-  } else {
-    DCHECK(__ ShifterOperandCanHold(kNoRegister, kNoRegister, ORN, ~value, &so));
-    __ orn(out, first, ShifterOperand(~value));
-  }
-}
-
-void InstructionCodeGeneratorARM::GenerateEorConst(Register out, Register first, uint32_t value) {
-  // Optimize special case for individual halfs of `xor-long` (`xor` is simplified earlier).
-  if (value == 0u) {
-    if (out != first) {
-      __ mov(out, ShifterOperand(first));
-    }
-    return;
-  }
-  __ eor(out, first, ShifterOperand(value));
-}
-
-void InstructionCodeGeneratorARM::GenerateAddLongConst(Location out,
-                                                       Location first,
-                                                       uint64_t value) {
-  Register out_low = out.AsRegisterPairLow<Register>();
-  Register out_high = out.AsRegisterPairHigh<Register>();
-  Register first_low = first.AsRegisterPairLow<Register>();
-  Register first_high = first.AsRegisterPairHigh<Register>();
-  uint32_t value_low = Low32Bits(value);
-  uint32_t value_high = High32Bits(value);
-  if (value_low == 0u) {
-    if (out_low != first_low) {
-      __ mov(out_low, ShifterOperand(first_low));
-    }
-    __ AddConstant(out_high, first_high, value_high);
-    return;
-  }
-  __ AddConstantSetFlags(out_low, first_low, value_low);
-  ShifterOperand so;
-  if (__ ShifterOperandCanHold(out_high, first_high, ADC, value_high, kCcDontCare, &so)) {
-    __ adc(out_high, first_high, so);
-  } else if (__ ShifterOperandCanHold(out_low, first_low, SBC, ~value_high, kCcDontCare, &so)) {
-    __ sbc(out_high, first_high, so);
-  } else {
-    LOG(FATAL) << "Unexpected constant " << value_high;
-    UNREACHABLE();
-  }
-}
-
-void InstructionCodeGeneratorARM::HandleBitwiseOperation(HBinaryOperation* instruction) {
-  LocationSummary* locations = instruction->GetLocations();
-  Location first = locations->InAt(0);
-  Location second = locations->InAt(1);
-  Location out = locations->Out();
-
-  if (second.IsConstant()) {
-    uint64_t value = static_cast<uint64_t>(Int64FromConstant(second.GetConstant()));
-    uint32_t value_low = Low32Bits(value);
-    if (instruction->GetResultType() == Primitive::kPrimInt) {
-      Register first_reg = first.AsRegister<Register>();
-      Register out_reg = out.AsRegister<Register>();
-      if (instruction->IsAnd()) {
-        GenerateAndConst(out_reg, first_reg, value_low);
-      } else if (instruction->IsOr()) {
-        GenerateOrrConst(out_reg, first_reg, value_low);
-      } else {
-        DCHECK(instruction->IsXor());
-        GenerateEorConst(out_reg, first_reg, value_low);
-      }
-    } else {
-      DCHECK_EQ(instruction->GetResultType(), Primitive::kPrimLong);
-      uint32_t value_high = High32Bits(value);
-      Register first_low = first.AsRegisterPairLow<Register>();
-      Register first_high = first.AsRegisterPairHigh<Register>();
-      Register out_low = out.AsRegisterPairLow<Register>();
-      Register out_high = out.AsRegisterPairHigh<Register>();
-      if (instruction->IsAnd()) {
-        GenerateAndConst(out_low, first_low, value_low);
-        GenerateAndConst(out_high, first_high, value_high);
-      } else if (instruction->IsOr()) {
-        GenerateOrrConst(out_low, first_low, value_low);
-        GenerateOrrConst(out_high, first_high, value_high);
-      } else {
-        DCHECK(instruction->IsXor());
-        GenerateEorConst(out_low, first_low, value_low);
-        GenerateEorConst(out_high, first_high, value_high);
-      }
-    }
-    return;
-  }
-
-  if (instruction->GetResultType() == Primitive::kPrimInt) {
-    Register first_reg = first.AsRegister<Register>();
-    ShifterOperand second_reg(second.AsRegister<Register>());
-    Register out_reg = out.AsRegister<Register>();
-    if (instruction->IsAnd()) {
-      __ and_(out_reg, first_reg, second_reg);
-    } else if (instruction->IsOr()) {
-      __ orr(out_reg, first_reg, second_reg);
-    } else {
-      DCHECK(instruction->IsXor());
-      __ eor(out_reg, first_reg, second_reg);
-    }
-  } else {
-    DCHECK_EQ(instruction->GetResultType(), Primitive::kPrimLong);
-    Register first_low = first.AsRegisterPairLow<Register>();
-    Register first_high = first.AsRegisterPairHigh<Register>();
-    ShifterOperand second_low(second.AsRegisterPairLow<Register>());
-    ShifterOperand second_high(second.AsRegisterPairHigh<Register>());
-    Register out_low = out.AsRegisterPairLow<Register>();
-    Register out_high = out.AsRegisterPairHigh<Register>();
-    if (instruction->IsAnd()) {
-      __ and_(out_low, first_low, second_low);
-      __ and_(out_high, first_high, second_high);
-    } else if (instruction->IsOr()) {
-      __ orr(out_low, first_low, second_low);
-      __ orr(out_high, first_high, second_high);
-    } else {
-      DCHECK(instruction->IsXor());
-      __ eor(out_low, first_low, second_low);
-      __ eor(out_high, first_high, second_high);
-    }
-  }
-}
-
-void InstructionCodeGeneratorARM::GenerateReferenceLoadOneRegister(
-    HInstruction* instruction,
-    Location out,
-    uint32_t offset,
-    Location maybe_temp,
-    ReadBarrierOption read_barrier_option) {
-  Register out_reg = out.AsRegister<Register>();
-  if (read_barrier_option == kWithReadBarrier) {
-    CHECK(kEmitCompilerReadBarrier);
-    DCHECK(maybe_temp.IsRegister()) << maybe_temp;
-    if (kUseBakerReadBarrier) {
-      // Load with fast path based Baker's read barrier.
-      // /* HeapReference<Object> */ out = *(out + offset)
-      codegen_->GenerateFieldLoadWithBakerReadBarrier(
-          instruction, out, out_reg, offset, maybe_temp, /* needs_null_check */ false);
-    } else {
-      // Load with slow path based read barrier.
-      // Save the value of `out` into `maybe_temp` before overwriting it
-      // in the following move operation, as we will need it for the
-      // read barrier below.
-      __ Mov(maybe_temp.AsRegister<Register>(), out_reg);
-      // /* HeapReference<Object> */ out = *(out + offset)
-      __ LoadFromOffset(kLoadWord, out_reg, out_reg, offset);
-      codegen_->GenerateReadBarrierSlow(instruction, out, out, maybe_temp, offset);
-    }
-  } else {
-    // Plain load with no read barrier.
-    // /* HeapReference<Object> */ out = *(out + offset)
-    __ LoadFromOffset(kLoadWord, out_reg, out_reg, offset);
-    __ MaybeUnpoisonHeapReference(out_reg);
-  }
-}
-
-void InstructionCodeGeneratorARM::GenerateReferenceLoadTwoRegisters(
-    HInstruction* instruction,
-    Location out,
-    Location obj,
-    uint32_t offset,
-    Location maybe_temp,
-    ReadBarrierOption read_barrier_option) {
-  Register out_reg = out.AsRegister<Register>();
-  Register obj_reg = obj.AsRegister<Register>();
-  if (read_barrier_option == kWithReadBarrier) {
-    CHECK(kEmitCompilerReadBarrier);
-    if (kUseBakerReadBarrier) {
-      DCHECK(maybe_temp.IsRegister()) << maybe_temp;
-      // Load with fast path based Baker's read barrier.
-      // /* HeapReference<Object> */ out = *(obj + offset)
-      codegen_->GenerateFieldLoadWithBakerReadBarrier(
-          instruction, out, obj_reg, offset, maybe_temp, /* needs_null_check */ false);
-    } else {
-      // Load with slow path based read barrier.
-      // /* HeapReference<Object> */ out = *(obj + offset)
-      __ LoadFromOffset(kLoadWord, out_reg, obj_reg, offset);
-      codegen_->GenerateReadBarrierSlow(instruction, out, out, obj, offset);
-    }
-  } else {
-    // Plain load with no read barrier.
-    // /* HeapReference<Object> */ out = *(obj + offset)
-    __ LoadFromOffset(kLoadWord, out_reg, obj_reg, offset);
-    __ MaybeUnpoisonHeapReference(out_reg);
-  }
-}
-
-void InstructionCodeGeneratorARM::GenerateGcRootFieldLoad(HInstruction* instruction,
-                                                          Location root,
-                                                          Register obj,
-                                                          uint32_t offset,
-                                                          ReadBarrierOption read_barrier_option) {
-  Register root_reg = root.AsRegister<Register>();
-  if (read_barrier_option == kWithReadBarrier) {
-    DCHECK(kEmitCompilerReadBarrier);
-    if (kUseBakerReadBarrier) {
-      // Fast path implementation of art::ReadBarrier::BarrierForRoot when
-      // Baker's read barrier are used.
-      if (kBakerReadBarrierLinkTimeThunksEnableForGcRoots &&
-          !Runtime::Current()->UseJitCompilation()) {
-        // Note that we do not actually check the value of `GetIsGcMarking()`
-        // to decide whether to mark the loaded GC root or not.  Instead, we
-        // load into `temp` (actually kBakerCcEntrypointRegister) the read
-        // barrier mark introspection entrypoint. If `temp` is null, it means
-        // that `GetIsGcMarking()` is false, and vice versa.
-        //
-        // We use link-time generated thunks for the slow path. That thunk
-        // checks the reference and jumps to the entrypoint if needed.
-        //
-        //     temp = Thread::Current()->pReadBarrierMarkIntrospection
-        //     lr = &return_address;
-        //     GcRoot<mirror::Object> root = *(obj+offset);  // Original reference load.
-        //     if (temp != nullptr) {
-        //        goto gc_root_thunk<root_reg>(lr)
-        //     }
-        //   return_address:
-
-        CheckLastTempIsBakerCcEntrypointRegister(instruction);
-        bool narrow = CanEmitNarrowLdr(root_reg, obj, offset);
-        uint32_t custom_data =
-            linker::Thumb2RelativePatcher::EncodeBakerReadBarrierGcRootData(root_reg, narrow);
-        Label* bne_label = codegen_->NewBakerReadBarrierPatch(custom_data);
-
-        // entrypoint_reg =
-        //     Thread::Current()->pReadBarrierMarkReg12, i.e. pReadBarrierMarkIntrospection.
-        DCHECK_EQ(IP, 12);
-        const int32_t entry_point_offset =
-            Thread::ReadBarrierMarkEntryPointsOffset<kArmPointerSize>(IP);
-        __ LoadFromOffset(kLoadWord, kBakerCcEntrypointRegister, TR, entry_point_offset);
-
-        Label return_address;
-        __ AdrCode(LR, &return_address);
-        __ CmpConstant(kBakerCcEntrypointRegister, 0);
-        // Currently the offset is always within range. If that changes,
-        // we shall have to split the load the same way as for fields.
-        DCHECK_LT(offset, kReferenceLoadMinFarOffset);
-        DCHECK(!down_cast<Thumb2Assembler*>(GetAssembler())->IsForced32Bit());
-        ScopedForce32Bit maybe_force_32bit(down_cast<Thumb2Assembler*>(GetAssembler()), !narrow);
-        int old_position = GetAssembler()->GetBuffer()->GetPosition();
-        __ LoadFromOffset(kLoadWord, root_reg, obj, offset);
-        EmitPlaceholderBne(codegen_, bne_label);
-        __ Bind(&return_address);
-        DCHECK_EQ(old_position - GetAssembler()->GetBuffer()->GetPosition(),
-                  narrow ? BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_NARROW_OFFSET
-                         : BAKER_MARK_INTROSPECTION_GC_ROOT_LDR_WIDE_OFFSET);
-      } else {
-        // Note that we do not actually check the value of
-        // `GetIsGcMarking()` to decide whether to mark the loaded GC
-        // root or not.  Instead, we load into `temp` the read barrier
-        // mark entry point corresponding to register `root`. If `temp`
-        // is null, it means that `GetIsGcMarking()` is false, and vice
-        // versa.
-        //
-        //   temp = Thread::Current()->pReadBarrierMarkReg ## root.reg()
-        //   GcRoot<mirror::Object> root = *(obj+offset);  // Original reference load.
-        //   if (temp != nullptr) {  // <=> Thread::Current()->GetIsGcMarking()
-        //     // Slow path.
-        //     root = temp(root);  // root = ReadBarrier::Mark(root);  // Runtime entry point call.
-        //   }
-
-        // Slow path marking the GC root `root`. The entrypoint will already be loaded in `temp`.
-        Location temp = Location::RegisterLocation(LR);
-        SlowPathCodeARM* slow_path = new (GetGraph()->GetArena()) ReadBarrierMarkSlowPathARM(
-            instruction, root, /* entrypoint */ temp);
-        codegen_->AddSlowPath(slow_path);
-
-        // temp = Thread::Current()->pReadBarrierMarkReg ## root.reg()
-        const int32_t entry_point_offset =
-            Thread::ReadBarrierMarkEntryPointsOffset<kArmPointerSize>(root.reg());
-        // Loading the entrypoint does not require a load acquire since it is only changed when
-        // threads are suspended or running a checkpoint.
-        __ LoadFromOffset(kLoadWord, temp.AsRegister<Register>(), TR, entry_point_offset);
-
-        // /* GcRoot<mirror::Object> */ root = *(obj + offset)
-        __ LoadFromOffset(kLoadWord, root_reg, obj, offset);
-        static_assert(
-            sizeof(mirror::CompressedReference<mirror::Object>) == sizeof(GcRoot<mirror::Object>),
-            "art::mirror::CompressedReference<mirror::Object> and art::GcRoot<mirror::Object> "
-            "have different sizes.");
-        static_assert(sizeof(mirror::CompressedReference<mirror::Object>) == sizeof(int32_t),
-                      "art::mirror::CompressedReference<mirror::Object> and int32_t "
-                      "have different sizes.");
-
-        // The entrypoint is null when the GC is not marking, this prevents one load compared to
-        // checking GetIsGcMarking.
-        __ CompareAndBranchIfNonZero(temp.AsRegister<Register>(), slow_path->GetEntryLabel());
-        __ Bind(slow_path->GetExitLabel());
-      }
-    } else {
-      // GC root loaded through a slow path for read barriers other
-      // than Baker's.
-      // /* GcRoot<mirror::Object>* */ root = obj + offset
-      __ AddConstant(root_reg, obj, offset);
-      // /* mirror::Object* */ root = root->Read()
-      codegen_->GenerateReadBarrierForRootSlow(instruction, root, root);
-    }
-  } else {
-    // Plain GC root load with no read barrier.
-    // /* GcRoot<mirror::Object> */ root = *(obj + offset)
-    __ LoadFromOffset(kLoadWord, root_reg, obj, offset);
-    // Note that GC roots are not affected by heap poisoning, thus we
-    // do not have to unpoison `root_reg` here.
-  }
-}
-
-void CodeGeneratorARM::MaybeAddBakerCcEntrypointTempForFields(LocationSummary* locations) {
-  DCHECK(kEmitCompilerReadBarrier);
-  DCHECK(kUseBakerReadBarrier);
-  if (kBakerReadBarrierLinkTimeThunksEnableForFields) {
-    if (!Runtime::Current()->UseJitCompilation()) {
-      locations->AddTemp(Location::RegisterLocation(kBakerCcEntrypointRegister));
-    }
-  }
-}
-
-void CodeGeneratorARM::GenerateFieldLoadWithBakerReadBarrier(HInstruction* instruction,
-                                                             Location ref,
-                                                             Register obj,
-                                                             uint32_t offset,
-                                                             Location temp,
-                                                             bool needs_null_check) {
-  DCHECK(kEmitCompilerReadBarrier);
-  DCHECK(kUseBakerReadBarrier);
-
-  if (kBakerReadBarrierLinkTimeThunksEnableForFields &&
-      !Runtime::Current()->UseJitCompilation()) {
-    // Note that we do not actually check the value of `GetIsGcMarking()`
-    // to decide whether to mark the loaded reference or not.  Instead, we
-    // load into `temp` (actually kBakerCcEntrypointRegister) the read
-    // barrier mark introspection entrypoint. If `temp` is null, it means
-    // that `GetIsGcMarking()` is false, and vice versa.
-    //
-    // We use link-time generated thunks for the slow path. That thunk checks
-    // the holder and jumps to the entrypoint if needed. If the holder is not
-    // gray, it creates a fake dependency and returns to the LDR instruction.
-    //
-    //     temp = Thread::Current()->pReadBarrierMarkIntrospection
-    //     lr = &gray_return_address;
-    //     if (temp != nullptr) {
-    //        goto field_thunk<holder_reg, base_reg>(lr)
-    //     }
-    //   not_gray_return_address:
-    //     // Original reference load. If the offset is too large to fit
-    //     // into LDR, we use an adjusted base register here.
-    //     HeapReference<mirror::Object> reference = *(obj+offset);
-    //   gray_return_address:
-
-    DCHECK_ALIGNED(offset, sizeof(mirror::HeapReference<mirror::Object>));
-    Register ref_reg = ref.AsRegister<Register>();
-    bool narrow = CanEmitNarrowLdr(ref_reg, obj, offset);
-    Register base = obj;
-    if (offset >= kReferenceLoadMinFarOffset) {
-      base = temp.AsRegister<Register>();
-      DCHECK_NE(base, kBakerCcEntrypointRegister);
-      static_assert(IsPowerOfTwo(kReferenceLoadMinFarOffset), "Expecting a power of 2.");
-      __ AddConstant(base, obj, offset & ~(kReferenceLoadMinFarOffset - 1u));
-      offset &= (kReferenceLoadMinFarOffset - 1u);
-      // Use narrow LDR only for small offsets. Generating narrow encoding LDR for the large
-      // offsets with `(offset & (kReferenceLoadMinFarOffset - 1u)) < 32u` would most likely
-      // increase the overall code size when taking the generated thunks into account.
-      DCHECK(!narrow);
-    }
-    CheckLastTempIsBakerCcEntrypointRegister(instruction);
-    uint32_t custom_data =
-        linker::Thumb2RelativePatcher::EncodeBakerReadBarrierFieldData(base, obj, narrow);
-    Label* bne_label = NewBakerReadBarrierPatch(custom_data);
-
-    // entrypoint_reg =
-    //     Thread::Current()->pReadBarrierMarkReg12, i.e. pReadBarrierMarkIntrospection.
-    DCHECK_EQ(IP, 12);
-    const int32_t entry_point_offset =
-        Thread::ReadBarrierMarkEntryPointsOffset<kArmPointerSize>(IP);
-    __ LoadFromOffset(kLoadWord, kBakerCcEntrypointRegister, TR, entry_point_offset);
-
-    Label return_address;
-    __ AdrCode(LR, &return_address);
-    __ CmpConstant(kBakerCcEntrypointRegister, 0);
-    EmitPlaceholderBne(this, bne_label);
-    DCHECK_LT(offset, kReferenceLoadMinFarOffset);
-    DCHECK(!down_cast<Thumb2Assembler*>(GetAssembler())->IsForced32Bit());
-    ScopedForce32Bit maybe_force_32bit(down_cast<Thumb2Assembler*>(GetAssembler()), !narrow);
-    int old_position = GetAssembler()->GetBuffer()->GetPosition();
-    __ LoadFromOffset(kLoadWord, ref_reg, base, offset);
-    if (needs_null_check) {
-      MaybeRecordImplicitNullCheck(instruction);
-    }
-    GetAssembler()->MaybeUnpoisonHeapReference(ref_reg);
-    __ Bind(&return_address);
-    DCHECK_EQ(old_position - GetAssembler()->GetBuffer()->GetPosition(),
-              narrow ? BAKER_MARK_INTROSPECTION_FIELD_LDR_NARROW_OFFSET
-                     : BAKER_MARK_INTROSPECTION_FIELD_LDR_WIDE_OFFSET);
-    return;
-  }
-
-  // /* HeapReference<Object> */ ref = *(obj + offset)
-  Location no_index = Location::NoLocation();
-  ScaleFactor no_scale_factor = TIMES_1;
-  GenerateReferenceLoadWithBakerReadBarrier(
-      instruction, ref, obj, offset, no_index, no_scale_factor, temp, needs_null_check);
-}
-
-void CodeGeneratorARM::GenerateArrayLoadWithBakerReadBarrier(HInstruction* instruction,
-                                                             Location ref,
-                                                             Register obj,
-                                                             uint32_t data_offset,
-                                                             Location index,
-                                                             Location temp,
-                                                             bool needs_null_check) {
-  DCHECK(kEmitCompilerReadBarrier);
-  DCHECK(kUseBakerReadBarrier);
-
-  static_assert(
-      sizeof(mirror::HeapReference<mirror::Object>) == sizeof(int32_t),
-      "art::mirror::HeapReference<art::mirror::Object> and int32_t have different sizes.");
-  ScaleFactor scale_factor = TIMES_4;
-
-  if (kBakerReadBarrierLinkTimeThunksEnableForArrays &&
-      !Runtime::Current()->UseJitCompilation()) {
-    // Note that we do not actually check the value of `GetIsGcMarking()`
-    // to decide whether to mark the loaded reference or not.  Instead, we
-    // load into `temp` (actually kBakerCcEntrypointRegister) the read
-    // barrier mark introspection entrypoint. If `temp` is null, it means
-    // that `GetIsGcMarking()` is false, and vice versa.
-    //
-    // We use link-time generated thunks for the slow path. That thunk checks
-    // the holder and jumps to the entrypoint if needed. If the holder is not
-    // gray, it creates a fake dependency and returns to the LDR instruction.
-    //
-    //     temp = Thread::Current()->pReadBarrierMarkIntrospection
-    //     lr = &gray_return_address;
-    //     if (temp != nullptr) {
-    //        goto field_thunk<holder_reg, base_reg>(lr)
-    //     }
-    //   not_gray_return_address:
-    //     // Original reference load. If the offset is too large to fit
-    //     // into LDR, we use an adjusted base register here.
-    //     HeapReference<mirror::Object> reference = data[index];
-    //   gray_return_address:
-
-    DCHECK(index.IsValid());
-    Register index_reg = index.AsRegister<Register>();
-    Register ref_reg = ref.AsRegister<Register>();
-    Register data_reg = temp.AsRegister<Register>();
-    DCHECK_NE(data_reg, kBakerCcEntrypointRegister);
-
-    CheckLastTempIsBakerCcEntrypointRegister(instruction);
-    uint32_t custom_data =
-        linker::Thumb2RelativePatcher::EncodeBakerReadBarrierArrayData(data_reg);
-    Label* bne_label = NewBakerReadBarrierPatch(custom_data);
-
-    // entrypoint_reg =
-    //     Thread::Current()->pReadBarrierMarkReg16, i.e. pReadBarrierMarkIntrospection.
-    DCHECK_EQ(IP, 12);
-    const int32_t entry_point_offset =
-        Thread::ReadBarrierMarkEntryPointsOffset<kArmPointerSize>(IP);
-    __ LoadFromOffset(kLoadWord, kBakerCcEntrypointRegister, TR, entry_point_offset);
-    __ AddConstant(data_reg, obj, data_offset);
-
-    Label return_address;
-    __ AdrCode(LR, &return_address);
-    __ CmpConstant(kBakerCcEntrypointRegister, 0);
-    EmitPlaceholderBne(this, bne_label);
-    ScopedForce32Bit maybe_force_32bit(down_cast<Thumb2Assembler*>(GetAssembler()));
-    int old_position = GetAssembler()->GetBuffer()->GetPosition();
-    __ ldr(ref_reg, Address(data_reg, index_reg, LSL, scale_factor));
-    DCHECK(!needs_null_check);  // The thunk cannot handle the null check.
-    GetAssembler()->MaybeUnpoisonHeapReference(ref_reg);
-    __ Bind(&return_address);
-    DCHECK_EQ(old_position - GetAssembler()->GetBuffer()->GetPosition(),
-              BAKER_MARK_INTROSPECTION_ARRAY_LDR_OFFSET);
-    return;
-  }
-
-  // /* HeapReference<Object> */ ref =
-  //     *(obj + data_offset + index * sizeof(HeapReference<Object>))
-  GenerateReferenceLoadWithBakerReadBarrier(
-      instruction, ref, obj, data_offset, index, scale_factor, temp, needs_null_check);
-}
-
-void CodeGeneratorARM::GenerateReferenceLoadWithBakerReadBarrier(HInstruction* instruction,
-                                                                 Location ref,
-                                                                 Register obj,
-                                                                 uint32_t offset,
-                                                                 Location index,
-                                                                 ScaleFactor scale_factor,
-                                                                 Location temp,
-                                                                 bool needs_null_check) {
-  DCHECK(kEmitCompilerReadBarrier);
-  DCHECK(kUseBakerReadBarrier);
-
-  // Query `art::Thread::Current()->GetIsGcMarking()` to decide
-  // whether we need to enter the slow path to mark the reference.
-  // Then, in the slow path, check the gray bit in the lock word of
-  // the reference's holder (`obj`) to decide whether to mark `ref` or
-  // not.
-  //
-  // Note that we do not actually check the value of `GetIsGcMarking()`;
-  // instead, we load into `temp2` the read barrier mark entry point
-  // corresponding to register `ref`. If `temp2` is null, it means
-  // that `GetIsGcMarking()` is false, and vice versa.
-  //
-  //   temp2 = Thread::Current()->pReadBarrierMarkReg ## root.reg()
-  //   if (temp2 != nullptr) {  // <=> Thread::Current()->GetIsGcMarking()
-  //     // Slow path.
-  //     uint32_t rb_state = Lockword(obj->monitor_).ReadBarrierState();
-  //     lfence;  // Load fence or artificial data dependency to prevent load-load reordering
-  //     HeapReference<mirror::Object> ref = *src;  // Original reference load.
-  //     bool is_gray = (rb_state == ReadBarrier::GrayState());
-  //     if (is_gray) {
-  //       ref = temp2(ref);  // ref = ReadBarrier::Mark(ref);  // Runtime entry point call.
-  //     }
-  //   } else {
-  //     HeapReference<mirror::Object> ref = *src;  // Original reference load.
-  //   }
-
-  Register temp_reg = temp.AsRegister<Register>();
-
-  // Slow path marking the object `ref` when the GC is marking. The
-  // entrypoint will already be loaded in `temp2`.
-  Location temp2 = Location::RegisterLocation(LR);
-  SlowPathCodeARM* slow_path =
-      new (GetGraph()->GetArena()) LoadReferenceWithBakerReadBarrierSlowPathARM(
-          instruction,
-          ref,
-          obj,
-          offset,
-          index,
-          scale_factor,
-          needs_null_check,
-          temp_reg,
-          /* entrypoint */ temp2);
-  AddSlowPath(slow_path);
-
-  // temp2 = Thread::Current()->pReadBarrierMarkReg ## ref.reg()
-  const int32_t entry_point_offset =
-      Thread::ReadBarrierMarkEntryPointsOffset<kArmPointerSize>(ref.reg());
-  // Loading the entrypoint does not require a load acquire since it is only changed when
-  // threads are suspended or running a checkpoint.
-  __ LoadFromOffset(kLoadWord, temp2.AsRegister<Register>(), TR, entry_point_offset);
-  // The entrypoint is null when the GC is not marking, this prevents one load compared to
-  // checking GetIsGcMarking.
-  __ CompareAndBranchIfNonZero(temp2.AsRegister<Register>(), slow_path->GetEntryLabel());
-  // Fast path: the GC is not marking: just load the reference.
-  GenerateRawReferenceLoad(instruction, ref, obj, offset, index, scale_factor, needs_null_check);
-  __ Bind(slow_path->GetExitLabel());
-}
-
-void CodeGeneratorARM::UpdateReferenceFieldWithBakerReadBarrier(HInstruction* instruction,
-                                                                Location ref,
-                                                                Register obj,
-                                                                Location field_offset,
-                                                                Location temp,
-                                                                bool needs_null_check,
-                                                                Register temp2) {
-  DCHECK(kEmitCompilerReadBarrier);
-  DCHECK(kUseBakerReadBarrier);
-
-  // Query `art::Thread::Current()->GetIsGcMarking()` to decide
-  // whether we need to enter the slow path to update the reference
-  // field within `obj`.  Then, in the slow path, check the gray bit
-  // in the lock word of the reference's holder (`obj`) to decide
-  // whether to mark `ref` and update the field or not.
-  //
-  // Note that we do not actually check the value of `GetIsGcMarking()`;
-  // instead, we load into `temp3` the read barrier mark entry point
-  // corresponding to register `ref`. If `temp3` is null, it means
-  // that `GetIsGcMarking()` is false, and vice versa.
-  //
-  //   temp3 = Thread::Current()->pReadBarrierMarkReg ## root.reg()
-  //   if (temp3 != nullptr) {  // <=> Thread::Current()->GetIsGcMarking()
-  //     // Slow path.
-  //     uint32_t rb_state = Lockword(obj->monitor_).ReadBarrierState();
-  //     lfence;  // Load fence or artificial data dependency to prevent load-load reordering
-  //     HeapReference<mirror::Object> ref = *src;  // Original reference load.
-  //     bool is_gray = (rb_state == ReadBarrier::GrayState());
-  //     if (is_gray) {
-  //       old_ref = ref;
-  //       ref = temp3(ref);  // ref = ReadBarrier::Mark(ref);  // Runtime entry point call.
-  //       compareAndSwapObject(obj, field_offset, old_ref, ref);
-  //     }
-  //   }
-
-  Register temp_reg = temp.AsRegister<Register>();
-
-  // Slow path updating the object reference at address `obj +
-  // field_offset` when the GC is marking. The entrypoint will already
-  // be loaded in `temp3`.
-  Location temp3 = Location::RegisterLocation(LR);
-  SlowPathCodeARM* slow_path =
-      new (GetGraph()->GetArena()) LoadReferenceWithBakerReadBarrierAndUpdateFieldSlowPathARM(
-          instruction,
-          ref,
-          obj,
-          /* offset */ 0u,
-          /* index */ field_offset,
-          /* scale_factor */ ScaleFactor::TIMES_1,
-          needs_null_check,
-          temp_reg,
-          temp2,
-          /* entrypoint */ temp3);
-  AddSlowPath(slow_path);
-
-  // temp3 = Thread::Current()->pReadBarrierMarkReg ## ref.reg()
-  const int32_t entry_point_offset =
-      Thread::ReadBarrierMarkEntryPointsOffset<kArmPointerSize>(ref.reg());
-  // Loading the entrypoint does not require a load acquire since it is only changed when
-  // threads are suspended or running a checkpoint.
-  __ LoadFromOffset(kLoadWord, temp3.AsRegister<Register>(), TR, entry_point_offset);
-  // The entrypoint is null when the GC is not marking, this prevents one load compared to
-  // checking GetIsGcMarking.
-  __ CompareAndBranchIfNonZero(temp3.AsRegister<Register>(), slow_path->GetEntryLabel());
-  // Fast path: the GC is not marking: nothing to do (the field is
-  // up-to-date, and we don't need to load the reference).
-  __ Bind(slow_path->GetExitLabel());
-}
-
-void CodeGeneratorARM::GenerateRawReferenceLoad(HInstruction* instruction,
-                                                Location ref,
-                                                Register obj,
-                                                uint32_t offset,
-                                                Location index,
-                                                ScaleFactor scale_factor,
-                                                bool needs_null_check) {
-  Register ref_reg = ref.AsRegister<Register>();
-
-  if (index.IsValid()) {
-    // Load types involving an "index": ArrayGet,
-    // UnsafeGetObject/UnsafeGetObjectVolatile and UnsafeCASObject
-    // intrinsics.
-    // /* HeapReference<mirror::Object> */ ref = *(obj + offset + (index << scale_factor))
-    if (index.IsConstant()) {
-      size_t computed_offset =
-          (index.GetConstant()->AsIntConstant()->GetValue() << scale_factor) + offset;
-      __ LoadFromOffset(kLoadWord, ref_reg, obj, computed_offset);
-    } else {
-      // Handle the special case of the
-      // UnsafeGetObject/UnsafeGetObjectVolatile and UnsafeCASObject
-      // intrinsics, which use a register pair as index ("long
-      // offset"), of which only the low part contains data.
-      Register index_reg = index.IsRegisterPair()
-          ? index.AsRegisterPairLow<Register>()
-          : index.AsRegister<Register>();
-      __ add(IP, obj, ShifterOperand(index_reg, LSL, scale_factor));
-      __ LoadFromOffset(kLoadWord, ref_reg, IP, offset);
-    }
-  } else {
-    // /* HeapReference<mirror::Object> */ ref = *(obj + offset)
-    __ LoadFromOffset(kLoadWord, ref_reg, obj, offset);
-  }
-
-  if (needs_null_check) {
-    MaybeRecordImplicitNullCheck(instruction);
-  }
-
-  // Object* ref = ref_addr->AsMirrorPtr()
-  __ MaybeUnpoisonHeapReference(ref_reg);
-}
-
-void CodeGeneratorARM::GenerateReadBarrierSlow(HInstruction* instruction,
-                                               Location out,
-                                               Location ref,
-                                               Location obj,
-                                               uint32_t offset,
-                                               Location index) {
-  DCHECK(kEmitCompilerReadBarrier);
-
-  // Insert a slow path based read barrier *after* the reference load.
-  //
-  // If heap poisoning is enabled, the unpoisoning of the loaded
-  // reference will be carried out by the runtime within the slow
-  // path.
-  //
-  // Note that `ref` currently does not get unpoisoned (when heap
-  // poisoning is enabled), which is alright as the `ref` argument is
-  // not used by the artReadBarrierSlow entry point.
-  //
-  // TODO: Unpoison `ref` when it is used by artReadBarrierSlow.
-  SlowPathCodeARM* slow_path = new (GetGraph()->GetArena())
-      ReadBarrierForHeapReferenceSlowPathARM(instruction, out, ref, obj, offset, index);
-  AddSlowPath(slow_path);
-
-  __ b(slow_path->GetEntryLabel());
-  __ Bind(slow_path->GetExitLabel());
-}
-
-void CodeGeneratorARM::MaybeGenerateReadBarrierSlow(HInstruction* instruction,
-                                                    Location out,
-                                                    Location ref,
-                                                    Location obj,
-                                                    uint32_t offset,
-                                                    Location index) {
-  if (kEmitCompilerReadBarrier) {
-    // Baker's read barriers shall be handled by the fast path
-    // (CodeGeneratorARM::GenerateReferenceLoadWithBakerReadBarrier).
-    DCHECK(!kUseBakerReadBarrier);
-    // If heap poisoning is enabled, unpoisoning will be taken care of
-    // by the runtime within the slow path.
-    GenerateReadBarrierSlow(instruction, out, ref, obj, offset, index);
-  } else if (kPoisonHeapReferences) {
-    __ UnpoisonHeapReference(out.AsRegister<Register>());
-  }
-}
-
-void CodeGeneratorARM::GenerateReadBarrierForRootSlow(HInstruction* instruction,
-                                                      Location out,
-                                                      Location root) {
-  DCHECK(kEmitCompilerReadBarrier);
-
-  // Insert a slow path based read barrier *after* the GC root load.
-  //
-  // Note that GC roots are not affected by heap poisoning, so we do
-  // not need to do anything special for this here.
-  SlowPathCodeARM* slow_path =
-      new (GetGraph()->GetArena()) ReadBarrierForRootSlowPathARM(instruction, out, root);
-  AddSlowPath(slow_path);
-
-  __ b(slow_path->GetEntryLabel());
-  __ Bind(slow_path->GetExitLabel());
-}
-
-HInvokeStaticOrDirect::DispatchInfo CodeGeneratorARM::GetSupportedInvokeStaticOrDirectDispatch(
-      const HInvokeStaticOrDirect::DispatchInfo& desired_dispatch_info,
-      HInvokeStaticOrDirect* invoke ATTRIBUTE_UNUSED) {
-  return desired_dispatch_info;
-}
-
-Register CodeGeneratorARM::GetInvokeStaticOrDirectExtraParameter(HInvokeStaticOrDirect* invoke,
-                                                                 Register temp) {
-  DCHECK_EQ(invoke->InputCount(), invoke->GetNumberOfArguments() + 1u);
-  Location location = invoke->GetLocations()->InAt(invoke->GetSpecialInputIndex());
-  if (!invoke->GetLocations()->Intrinsified()) {
-    return location.AsRegister<Register>();
-  }
-  // For intrinsics we allow any location, so it may be on the stack.
-  if (!location.IsRegister()) {
-    __ LoadFromOffset(kLoadWord, temp, SP, location.GetStackIndex());
-    return temp;
-  }
-  // For register locations, check if the register was saved. If so, get it from the stack.
-  // Note: There is a chance that the register was saved but not overwritten, so we could
-  // save one load. However, since this is just an intrinsic slow path we prefer this
-  // simple and more robust approach rather that trying to determine if that's the case.
-  SlowPathCode* slow_path = GetCurrentSlowPath();
-  DCHECK(slow_path != nullptr);  // For intrinsified invokes the call is emitted on the slow path.
-  if (slow_path->IsCoreRegisterSaved(location.AsRegister<Register>())) {
-    int stack_offset = slow_path->GetStackOffsetOfCoreRegister(location.AsRegister<Register>());
-    __ LoadFromOffset(kLoadWord, temp, SP, stack_offset);
-    return temp;
-  }
-  return location.AsRegister<Register>();
-}
-
-void CodeGeneratorARM::GenerateStaticOrDirectCall(
-    HInvokeStaticOrDirect* invoke, Location temp, SlowPathCode* slow_path) {
-  Location callee_method = temp;  // For all kinds except kRecursive, callee will be in temp.
-  switch (invoke->GetMethodLoadKind()) {
-    case HInvokeStaticOrDirect::MethodLoadKind::kStringInit: {
-      uint32_t offset =
-          GetThreadOffset<kArmPointerSize>(invoke->GetStringInitEntryPoint()).Int32Value();
-      // temp = thread->string_init_entrypoint
-      __ LoadFromOffset(kLoadWord, temp.AsRegister<Register>(), TR, offset);
-      break;
-    }
-    case HInvokeStaticOrDirect::MethodLoadKind::kRecursive:
-      callee_method = invoke->GetLocations()->InAt(invoke->GetSpecialInputIndex());
-      break;
-    case HInvokeStaticOrDirect::MethodLoadKind::kBootImageLinkTimePcRelative: {
-      DCHECK(GetCompilerOptions().IsBootImage());
-      Register temp_reg = temp.AsRegister<Register>();
-      PcRelativePatchInfo* labels = NewPcRelativeMethodPatch(invoke->GetTargetMethod());
-      __ BindTrackedLabel(&labels->movw_label);
-      __ movw(temp_reg, /* placeholder */ 0u);
-      __ BindTrackedLabel(&labels->movt_label);
-      __ movt(temp_reg, /* placeholder */ 0u);
-      __ BindTrackedLabel(&labels->add_pc_label);
-      __ add(temp_reg, temp_reg, ShifterOperand(PC));
-      break;
-    }
-    case HInvokeStaticOrDirect::MethodLoadKind::kDirectAddress:
-      __ LoadImmediate(temp.AsRegister<Register>(), invoke->GetMethodAddress());
-      break;
-    case HInvokeStaticOrDirect::MethodLoadKind::kBssEntry: {
-      Register temp_reg = temp.AsRegister<Register>();
-      PcRelativePatchInfo* labels = NewMethodBssEntryPatch(
-          MethodReference(&GetGraph()->GetDexFile(), invoke->GetDexMethodIndex()));
-      __ BindTrackedLabel(&labels->movw_label);
-      __ movw(temp_reg, /* placeholder */ 0u);
-      __ BindTrackedLabel(&labels->movt_label);
-      __ movt(temp_reg, /* placeholder */ 0u);
-      __ BindTrackedLabel(&labels->add_pc_label);
-      __ add(temp_reg, temp_reg, ShifterOperand(PC));
-      __ LoadFromOffset(kLoadWord, temp_reg, temp_reg, /* offset */ 0);
-      break;
-    }
-    case HInvokeStaticOrDirect::MethodLoadKind::kRuntimeCall: {
-      GenerateInvokeStaticOrDirectRuntimeCall(invoke, temp, slow_path);
-      return;  // No code pointer retrieval; the runtime performs the call directly.
-    }
-  }
-
-  switch (invoke->GetCodePtrLocation()) {
-    case HInvokeStaticOrDirect::CodePtrLocation::kCallSelf:
-      __ bl(GetFrameEntryLabel());
-      break;
-    case HInvokeStaticOrDirect::CodePtrLocation::kCallArtMethod:
-      // LR = callee_method->entry_point_from_quick_compiled_code_
-      __ LoadFromOffset(
-          kLoadWord, LR, callee_method.AsRegister<Register>(),
-          ArtMethod::EntryPointFromQuickCompiledCodeOffset(kArmPointerSize).Int32Value());
-      // LR()
-      __ blx(LR);
-      break;
-  }
-  RecordPcInfo(invoke, invoke->GetDexPc(), slow_path);
-
-  DCHECK(!IsLeafMethod());
-}
-
-void CodeGeneratorARM::GenerateVirtualCall(
-    HInvokeVirtual* invoke, Location temp_location, SlowPathCode* slow_path) {
-  Register temp = temp_location.AsRegister<Register>();
-  uint32_t method_offset = mirror::Class::EmbeddedVTableEntryOffset(
-      invoke->GetVTableIndex(), kArmPointerSize).Uint32Value();
-
-  // Use the calling convention instead of the location of the receiver, as
-  // intrinsics may have put the receiver in a different register. In the intrinsics
-  // slow path, the arguments have been moved to the right place, so here we are
-  // guaranteed that the receiver is the first register of the calling convention.
-  InvokeDexCallingConvention calling_convention;
-  Register receiver = calling_convention.GetRegisterAt(0);
-  uint32_t class_offset = mirror::Object::ClassOffset().Int32Value();
-  // /* HeapReference<Class> */ temp = receiver->klass_
-  __ LoadFromOffset(kLoadWord, temp, receiver, class_offset);
-  MaybeRecordImplicitNullCheck(invoke);
-  // Instead of simply (possibly) unpoisoning `temp` here, we should
-  // emit a read barrier for the previous class reference load.
-  // However this is not required in practice, as this is an
-  // intermediate/temporary reference and because the current
-  // concurrent copying collector keeps the from-space memory
-  // intact/accessible until the end of the marking phase (the
-  // concurrent copying collector may not in the future).
-  __ MaybeUnpoisonHeapReference(temp);
-  // temp = temp->GetMethodAt(method_offset);
-  uint32_t entry_point = ArtMethod::EntryPointFromQuickCompiledCodeOffset(
-      kArmPointerSize).Int32Value();
-  __ LoadFromOffset(kLoadWord, temp, temp, method_offset);
-  // LR = temp->GetEntryPoint();
-  __ LoadFromOffset(kLoadWord, LR, temp, entry_point);
-  // LR();
-  __ blx(LR);
-  RecordPcInfo(invoke, invoke->GetDexPc(), slow_path);
-}
-
-CodeGeneratorARM::PcRelativePatchInfo* CodeGeneratorARM::NewPcRelativeMethodPatch(
-    MethodReference target_method) {
-  return NewPcRelativePatch(*target_method.dex_file,
-                            target_method.dex_method_index,
-                            &pc_relative_method_patches_);
-}
-
-CodeGeneratorARM::PcRelativePatchInfo* CodeGeneratorARM::NewMethodBssEntryPatch(
-    MethodReference target_method) {
-  return NewPcRelativePatch(*target_method.dex_file,
-                            target_method.dex_method_index,
-                            &method_bss_entry_patches_);
-}
-
-CodeGeneratorARM::PcRelativePatchInfo* CodeGeneratorARM::NewPcRelativeTypePatch(
-    const DexFile& dex_file, dex::TypeIndex type_index) {
-  return NewPcRelativePatch(dex_file, type_index.index_, &pc_relative_type_patches_);
-}
-
-CodeGeneratorARM::PcRelativePatchInfo* CodeGeneratorARM::NewTypeBssEntryPatch(
-    const DexFile& dex_file, dex::TypeIndex type_index) {
-  return NewPcRelativePatch(dex_file, type_index.index_, &type_bss_entry_patches_);
-}
-
-CodeGeneratorARM::PcRelativePatchInfo* CodeGeneratorARM::NewPcRelativeStringPatch(
-    const DexFile& dex_file, dex::StringIndex string_index) {
-  return NewPcRelativePatch(dex_file, string_index.index_, &pc_relative_string_patches_);
-}
-
-CodeGeneratorARM::PcRelativePatchInfo* CodeGeneratorARM::NewPcRelativePatch(
-    const DexFile& dex_file, uint32_t offset_or_index, ArenaDeque<PcRelativePatchInfo>* patches) {
-  patches->emplace_back(dex_file, offset_or_index);
-  return &patches->back();
-}
-
-Label* CodeGeneratorARM::NewBakerReadBarrierPatch(uint32_t custom_data) {
-  baker_read_barrier_patches_.emplace_back(custom_data);
-  return &baker_read_barrier_patches_.back().label;
-}
-
-Literal* CodeGeneratorARM::DeduplicateBootImageAddressLiteral(uint32_t address) {
-  return DeduplicateUint32Literal(dchecked_integral_cast<uint32_t>(address), &uint32_literals_);
-}
-
-Literal* CodeGeneratorARM::DeduplicateJitStringLiteral(const DexFile& dex_file,
-                                                       dex::StringIndex string_index,
-                                                       Handle<mirror::String> handle) {
-  jit_string_roots_.Overwrite(StringReference(&dex_file, string_index),
-                              reinterpret_cast64<uint64_t>(handle.GetReference()));
-  return jit_string_patches_.GetOrCreate(
-      StringReference(&dex_file, string_index),
-      [this]() { return __ NewLiteral<uint32_t>(/* placeholder */ 0u); });
-}
-
-Literal* CodeGeneratorARM::DeduplicateJitClassLiteral(const DexFile& dex_file,
-                                                      dex::TypeIndex type_index,
-                                                      Handle<mirror::Class> handle) {
-  jit_class_roots_.Overwrite(TypeReference(&dex_file, type_index),
-                             reinterpret_cast64<uint64_t>(handle.GetReference()));
-  return jit_class_patches_.GetOrCreate(
-      TypeReference(&dex_file, type_index),
-      [this]() { return __ NewLiteral<uint32_t>(/* placeholder */ 0u); });
-}
-
-template <LinkerPatch (*Factory)(size_t, const DexFile*, uint32_t, uint32_t)>
-inline void CodeGeneratorARM::EmitPcRelativeLinkerPatches(
-    const ArenaDeque<PcRelativePatchInfo>& infos,
-    ArenaVector<LinkerPatch>* linker_patches) {
-  for (const PcRelativePatchInfo& info : infos) {
-    const DexFile& dex_file = info.target_dex_file;
-    size_t offset_or_index = info.offset_or_index;
-    DCHECK(info.add_pc_label.IsBound());
-    uint32_t add_pc_offset = dchecked_integral_cast<uint32_t>(info.add_pc_label.Position());
-    // Add MOVW patch.
-    DCHECK(info.movw_label.IsBound());
-    uint32_t movw_offset = dchecked_integral_cast<uint32_t>(info.movw_label.Position());
-    linker_patches->push_back(Factory(movw_offset, &dex_file, add_pc_offset, offset_or_index));
-    // Add MOVT patch.
-    DCHECK(info.movt_label.IsBound());
-    uint32_t movt_offset = dchecked_integral_cast<uint32_t>(info.movt_label.Position());
-    linker_patches->push_back(Factory(movt_offset, &dex_file, add_pc_offset, offset_or_index));
-  }
-}
-
-void CodeGeneratorARM::EmitLinkerPatches(ArenaVector<LinkerPatch>* linker_patches) {
-  DCHECK(linker_patches->empty());
-  size_t size =
-      /* MOVW+MOVT for each entry */ 2u * pc_relative_method_patches_.size() +
-      /* MOVW+MOVT for each entry */ 2u * method_bss_entry_patches_.size() +
-      /* MOVW+MOVT for each entry */ 2u * pc_relative_type_patches_.size() +
-      /* MOVW+MOVT for each entry */ 2u * type_bss_entry_patches_.size() +
-      /* MOVW+MOVT for each entry */ 2u * pc_relative_string_patches_.size() +
-      baker_read_barrier_patches_.size();
-  linker_patches->reserve(size);
-  if (GetCompilerOptions().IsBootImage()) {
-    EmitPcRelativeLinkerPatches<LinkerPatch::RelativeMethodPatch>(pc_relative_method_patches_,
-                                                                  linker_patches);
-    EmitPcRelativeLinkerPatches<LinkerPatch::RelativeTypePatch>(pc_relative_type_patches_,
-                                                                linker_patches);
-    EmitPcRelativeLinkerPatches<LinkerPatch::RelativeStringPatch>(pc_relative_string_patches_,
-                                                                  linker_patches);
-  } else {
-    DCHECK(pc_relative_method_patches_.empty());
-    DCHECK(pc_relative_type_patches_.empty());
-    EmitPcRelativeLinkerPatches<LinkerPatch::StringBssEntryPatch>(pc_relative_string_patches_,
-                                                                  linker_patches);
-  }
-  EmitPcRelativeLinkerPatches<LinkerPatch::MethodBssEntryPatch>(method_bss_entry_patches_,
-                                                                linker_patches);
-  EmitPcRelativeLinkerPatches<LinkerPatch::TypeBssEntryPatch>(type_bss_entry_patches_,
-                                                              linker_patches);
-  for (const BakerReadBarrierPatchInfo& info : baker_read_barrier_patches_) {
-    linker_patches->push_back(LinkerPatch::BakerReadBarrierBranchPatch(info.label.Position(),
-                                                                       info.custom_data));
-  }
-  DCHECK_EQ(size, linker_patches->size());
-}
-
-Literal* CodeGeneratorARM::DeduplicateUint32Literal(uint32_t value, Uint32ToLiteralMap* map) {
-  return map->GetOrCreate(
-      value,
-      [this, value]() { return __ NewLiteral<uint32_t>(value); });
-}
-
-void LocationsBuilderARM::VisitMultiplyAccumulate(HMultiplyAccumulate* instr) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instr, LocationSummary::kNoCall);
-  locations->SetInAt(HMultiplyAccumulate::kInputAccumulatorIndex,
-                     Location::RequiresRegister());
-  locations->SetInAt(HMultiplyAccumulate::kInputMulLeftIndex, Location::RequiresRegister());
-  locations->SetInAt(HMultiplyAccumulate::kInputMulRightIndex, Location::RequiresRegister());
-  locations->SetOut(Location::RequiresRegister(), Location::kNoOutputOverlap);
-}
-
-void InstructionCodeGeneratorARM::VisitMultiplyAccumulate(HMultiplyAccumulate* instr) {
-  LocationSummary* locations = instr->GetLocations();
-  Register res = locations->Out().AsRegister<Register>();
-  Register accumulator =
-      locations->InAt(HMultiplyAccumulate::kInputAccumulatorIndex).AsRegister<Register>();
-  Register mul_left =
-      locations->InAt(HMultiplyAccumulate::kInputMulLeftIndex).AsRegister<Register>();
-  Register mul_right =
-      locations->InAt(HMultiplyAccumulate::kInputMulRightIndex).AsRegister<Register>();
-
-  if (instr->GetOpKind() == HInstruction::kAdd) {
-    __ mla(res, mul_left, mul_right, accumulator);
-  } else {
-    __ mls(res, mul_left, mul_right, accumulator);
-  }
-}
-
-void LocationsBuilderARM::VisitBoundType(HBoundType* instruction ATTRIBUTE_UNUSED) {
-  // Nothing to do, this should be removed during prepare for register allocator.
-  LOG(FATAL) << "Unreachable";
-}
-
-void InstructionCodeGeneratorARM::VisitBoundType(HBoundType* instruction ATTRIBUTE_UNUSED) {
-  // Nothing to do, this should be removed during prepare for register allocator.
-  LOG(FATAL) << "Unreachable";
-}
-
-// Simple implementation of packed switch - generate cascaded compare/jumps.
-void LocationsBuilderARM::VisitPackedSwitch(HPackedSwitch* switch_instr) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(switch_instr, LocationSummary::kNoCall);
-  locations->SetInAt(0, Location::RequiresRegister());
-  if (switch_instr->GetNumEntries() > kPackedSwitchCompareJumpThreshold &&
-      codegen_->GetAssembler()->IsThumb()) {
-    locations->AddTemp(Location::RequiresRegister());  // We need a temp for the table base.
-    if (switch_instr->GetStartValue() != 0) {
-      locations->AddTemp(Location::RequiresRegister());  // We need a temp for the bias.
-    }
-  }
-}
-
-void InstructionCodeGeneratorARM::VisitPackedSwitch(HPackedSwitch* switch_instr) {
-  int32_t lower_bound = switch_instr->GetStartValue();
-  uint32_t num_entries = switch_instr->GetNumEntries();
-  LocationSummary* locations = switch_instr->GetLocations();
-  Register value_reg = locations->InAt(0).AsRegister<Register>();
-  HBasicBlock* default_block = switch_instr->GetDefaultBlock();
-
-  if (num_entries <= kPackedSwitchCompareJumpThreshold || !codegen_->GetAssembler()->IsThumb()) {
-    // Create a series of compare/jumps.
-    Register temp_reg = IP;
-    // Note: It is fine for the below AddConstantSetFlags() using IP register to temporarily store
-    // the immediate, because IP is used as the destination register. For the other
-    // AddConstantSetFlags() and GenerateCompareWithImmediate(), the immediate values are constant,
-    // and they can be encoded in the instruction without making use of IP register.
-    __ AddConstantSetFlags(temp_reg, value_reg, -lower_bound);
-
-    const ArenaVector<HBasicBlock*>& successors = switch_instr->GetBlock()->GetSuccessors();
-    // Jump to successors[0] if value == lower_bound.
-    __ b(codegen_->GetLabelOf(successors[0]), EQ);
-    int32_t last_index = 0;
-    for (; num_entries - last_index > 2; last_index += 2) {
-      __ AddConstantSetFlags(temp_reg, temp_reg, -2);
-      // Jump to successors[last_index + 1] if value < case_value[last_index + 2].
-      __ b(codegen_->GetLabelOf(successors[last_index + 1]), LO);
-      // Jump to successors[last_index + 2] if value == case_value[last_index + 2].
-      __ b(codegen_->GetLabelOf(successors[last_index + 2]), EQ);
-    }
-    if (num_entries - last_index == 2) {
-      // The last missing case_value.
-      __ CmpConstant(temp_reg, 1);
-      __ b(codegen_->GetLabelOf(successors[last_index + 1]), EQ);
-    }
-
-    // And the default for any other value.
-    if (!codegen_->GoesToNextBlock(switch_instr->GetBlock(), default_block)) {
-      __ b(codegen_->GetLabelOf(default_block));
-    }
-  } else {
-    // Create a table lookup.
-    Register temp_reg = locations->GetTemp(0).AsRegister<Register>();
-
-    // Materialize a pointer to the switch table
-    std::vector<Label*> labels(num_entries);
-    const ArenaVector<HBasicBlock*>& successors = switch_instr->GetBlock()->GetSuccessors();
-    for (uint32_t i = 0; i < num_entries; i++) {
-      labels[i] = codegen_->GetLabelOf(successors[i]);
-    }
-    JumpTable* table = __ CreateJumpTable(std::move(labels), temp_reg);
-
-    // Remove the bias.
-    Register key_reg;
-    if (lower_bound != 0) {
-      key_reg = locations->GetTemp(1).AsRegister<Register>();
-      __ AddConstant(key_reg, value_reg, -lower_bound);
-    } else {
-      key_reg = value_reg;
-    }
-
-    // Check whether the value is in the table, jump to default block if not.
-    __ CmpConstant(key_reg, num_entries - 1);
-    __ b(codegen_->GetLabelOf(default_block), Condition::HI);
-
-    // Load the displacement from the table.
-    __ ldr(temp_reg, Address(temp_reg, key_reg, Shift::LSL, 2));
-
-    // Dispatch is a direct add to the PC (for Thumb2).
-    __ EmitJumpTableDispatch(table, temp_reg);
-  }
-}
-
-void CodeGeneratorARM::MoveFromReturnRegister(Location trg, Primitive::Type type) {
-  if (!trg.IsValid()) {
-    DCHECK_EQ(type, Primitive::kPrimVoid);
-    return;
-  }
-
-  DCHECK_NE(type, Primitive::kPrimVoid);
-
-  Location return_loc = InvokeDexCallingConventionVisitorARM().GetReturnLocation(type);
-  if (return_loc.Equals(trg)) {
-    return;
-  }
-
-  // TODO: Consider pairs in the parallel move resolver, then this could be nicely merged
-  //       with the last branch.
-  if (type == Primitive::kPrimLong) {
-    HParallelMove parallel_move(GetGraph()->GetArena());
-    parallel_move.AddMove(return_loc.ToLow(), trg.ToLow(), Primitive::kPrimInt, nullptr);
-    parallel_move.AddMove(return_loc.ToHigh(), trg.ToHigh(), Primitive::kPrimInt, nullptr);
-    GetMoveResolver()->EmitNativeCode(&parallel_move);
-  } else if (type == Primitive::kPrimDouble) {
-    HParallelMove parallel_move(GetGraph()->GetArena());
-    parallel_move.AddMove(return_loc.ToLow(), trg.ToLow(), Primitive::kPrimFloat, nullptr);
-    parallel_move.AddMove(return_loc.ToHigh(), trg.ToHigh(), Primitive::kPrimFloat, nullptr);
-    GetMoveResolver()->EmitNativeCode(&parallel_move);
-  } else {
-    // Let the parallel move resolver take care of all of this.
-    HParallelMove parallel_move(GetGraph()->GetArena());
-    parallel_move.AddMove(return_loc, trg, type, nullptr);
-    GetMoveResolver()->EmitNativeCode(&parallel_move);
-  }
-}
-
-void LocationsBuilderARM::VisitClassTableGet(HClassTableGet* instruction) {
-  LocationSummary* locations =
-      new (GetGraph()->GetArena()) LocationSummary(instruction, LocationSummary::kNoCall);
-  locations->SetInAt(0, Location::RequiresRegister());
-  locations->SetOut(Location::RequiresRegister());
-}
-
-void InstructionCodeGeneratorARM::VisitClassTableGet(HClassTableGet* instruction) {
-  LocationSummary* locations = instruction->GetLocations();
-  if (instruction->GetTableKind() == HClassTableGet::TableKind::kVTable) {
-    uint32_t method_offset = mirror::Class::EmbeddedVTableEntryOffset(
-        instruction->GetIndex(), kArmPointerSize).SizeValue();
-    __ LoadFromOffset(kLoadWord,
-                      locations->Out().AsRegister<Register>(),
-                      locations->InAt(0).AsRegister<Register>(),
-                      method_offset);
-  } else {
-    uint32_t method_offset = static_cast<uint32_t>(ImTable::OffsetOfElement(
-        instruction->GetIndex(), kArmPointerSize));
-    __ LoadFromOffset(kLoadWord,
-                      locations->Out().AsRegister<Register>(),
-                      locations->InAt(0).AsRegister<Register>(),
-                      mirror::Class::ImtPtrOffset(kArmPointerSize).Uint32Value());
-    __ LoadFromOffset(kLoadWord,
-                      locations->Out().AsRegister<Register>(),
-                      locations->Out().AsRegister<Register>(),
-                      method_offset);
-  }
-}
-
-static void PatchJitRootUse(uint8_t* code,
-                            const uint8_t* roots_data,
-                            Literal* literal,
-                            uint64_t index_in_table) {
-  DCHECK(literal->GetLabel()->IsBound());
-  uint32_t literal_offset = literal->GetLabel()->Position();
-  uintptr_t address =
-      reinterpret_cast<uintptr_t>(roots_data) + index_in_table * sizeof(GcRoot<mirror::Object>);
-  uint8_t* data = code + literal_offset;
-  reinterpret_cast<uint32_t*>(data)[0] = dchecked_integral_cast<uint32_t>(address);
-}
-
-void CodeGeneratorARM::EmitJitRootPatches(uint8_t* code, const uint8_t* roots_data) {
-  for (const auto& entry : jit_string_patches_) {
-    const StringReference& string_reference = entry.first;
-    Literal* table_entry_literal = entry.second;
-    const auto it = jit_string_roots_.find(string_reference);
-    DCHECK(it != jit_string_roots_.end());
-    uint64_t index_in_table = it->second;
-    PatchJitRootUse(code, roots_data, table_entry_literal, index_in_table);
-  }
-  for (const auto& entry : jit_class_patches_) {
-    const TypeReference& type_reference = entry.first;
-    Literal* table_entry_literal = entry.second;
-    const auto it = jit_class_roots_.find(type_reference);
-    DCHECK(it != jit_class_roots_.end());
-    uint64_t index_in_table = it->second;
-    PatchJitRootUse(code, roots_data, table_entry_literal, index_in_table);
-  }
-}
-
-#undef __
-#undef QUICK_ENTRY_POINT
-
-}  // namespace arm
-}  // namespace art