clang-format runtime/vm

runtime/vm/stub_code_x64.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/assembler.h"
 #include "vm/compiler.h"
 #include "vm/dart_entry.h"
 #include "vm/flow_graph_compiler.h"
 #include "vm/heap.h"
 #include "vm/instructions.h"
 #include "vm/object_store.h"
 #include "vm/resolver.h"
 #include "vm/scavenger.h"
 #include "vm/stack_frame.h"
 #include "vm/stub_code.h"
 #include "vm/tags.h"
 
 #define __ assembler->
 
 namespace dart {
 
 DEFINE_FLAG(bool, inline_alloc, true, "Inline allocation of objects.");
-DEFINE_FLAG(bool, use_slow_path, false,
-    "Set to true for debugging & verifying the slow paths.");
+DEFINE_FLAG(bool,
+            use_slow_path,
+            false,
+            "Set to true for debugging & verifying the slow paths.");
 DECLARE_FLAG(bool, trace_optimized_ic_calls);
 
 // Input parameters:
 //   RSP : points to return address.
 //   RSP + 8 : address of last argument in argument array.
 //   RSP + 8*R10 : address of first argument in argument array.
 //   RSP + 8*R10 + 8 : address of return value.
 //   RBX : address of the runtime function to call.
 //   R10 : number of arguments to the call.
 // Must preserve callee saved registers R12 and R13.
 void StubCode::GenerateCallToRuntimeStub(Assembler* assembler) {
   const intptr_t thread_offset = NativeArguments::thread_offset();
   const intptr_t argc_tag_offset = NativeArguments::argc_tag_offset();
   const intptr_t argv_offset = NativeArguments::argv_offset();
   const intptr_t retval_offset = NativeArguments::retval_offset();
 
   __ EnterStubFrame();
 
   // Save exit frame information to enable stack walking as we are about
   // to transition to Dart VM C++ code.
   __ movq(Address(THR, Thread::top_exit_frame_info_offset()), RBP);
 
 #if defined(DEBUG)
-  { Label ok;
+  {
+    Label ok;
     // Check that we are always entering from Dart code.
     __ movq(RAX, Immediate(VMTag::kDartTagId));
     __ cmpq(RAX, Assembler::VMTagAddress());
     __ j(EQUAL, &ok, Assembler::kNearJump);
     __ Stop("Not coming from Dart code.");
     __ Bind(&ok);
   }
 #endif
 
   // Mark that the thread is executing VM code.
   __ movq(Assembler::VMTagAddress(), RBX);
 
   // Reserve space for arguments and align frame before entering C++ world.
   __ subq(RSP, Immediate(sizeof(NativeArguments)));
   if (OS::ActivationFrameAlignment() > 1) {
     __ andq(RSP, Immediate(~(OS::ActivationFrameAlignment() - 1)));
   }
 
   // Pass NativeArguments structure by value and call runtime.
   __ movq(Address(RSP, thread_offset), THR);  // Set thread in NativeArgs.
   // There are no runtime calls to closures, so we do not need to set the tag
   // bits kClosureFunctionBit and kInstanceFunctionBit in argc_tag_.
   __ movq(Address(RSP, argc_tag_offset), R10);  // Set argc in NativeArguments.
   // Compute argv.
   __ leaq(RAX, Address(RBP, R10, TIMES_8, kParamEndSlotFromFp * kWordSize));
-  __ movq(Address(RSP, argv_offset), RAX);  // Set argv in NativeArguments.
-  __ addq(RAX, Immediate(1 * kWordSize));  // Retval is next to 1st argument.
+  __ movq(Address(RSP, argv_offset), RAX);    // Set argv in NativeArguments.
+  __ addq(RAX, Immediate(1 * kWordSize));     // Retval is next to 1st argument.
   __ movq(Address(RSP, retval_offset), RAX);  // Set retval in NativeArguments.
 #if defined(_WIN64)
   ASSERT(sizeof(NativeArguments) > CallingConventions::kRegisterTransferLimit);
   __ movq(CallingConventions::kArg1Reg, RSP);
 #endif
   __ CallCFunction(RBX);
 
   // Mark that the thread is executing Dart code.
   __ movq(Assembler::VMTagAddress(), Immediate(VMTag::kDartTagId));
 
@@ skipping 11 matching lines @@
 }
 END_LEAF_RUNTIME_ENTRY
 
 
 // Input parameters:
 //   RSP : points to return address.
 //   RDI : stop message (const char*).
 // Must preserve all registers.
 void StubCode::GeneratePrintStopMessageStub(Assembler* assembler) {
   __ EnterCallRuntimeFrame(0);
-  // Call the runtime leaf function. RDI already contains the parameter.
+// Call the runtime leaf function. RDI already contains the parameter.
 #if defined(_WIN64)
   __ movq(CallingConventions::kArg1Reg, RDI);
 #endif
   __ CallRuntime(kPrintStopMessageRuntimeEntry, 1);
   __ LeaveCallRuntimeFrame();
   __ ret();
 }
 
 
 // Input parameters:
@@ skipping 13 matching lines @@
   const intptr_t retval_offset =
       NativeArguments::retval_offset() + native_args_struct_offset;
 
   __ EnterStubFrame();
 
   // Save exit frame information to enable stack walking as we are about
   // to transition to native code.
   __ movq(Address(THR, Thread::top_exit_frame_info_offset()), RBP);
 
 #if defined(DEBUG)
-  { Label ok;
+  {
+    Label ok;
     // Check that we are always entering from Dart code.
     __ movq(R8, Immediate(VMTag::kDartTagId));
     __ cmpq(R8, Assembler::VMTagAddress());
     __ j(EQUAL, &ok, Assembler::kNearJump);
     __ Stop("Not coming from Dart code.");
     __ Bind(&ok);
   }
 #endif
 
   // Mark that the thread is executing native code.
   __ movq(Assembler::VMTagAddress(), RBX);
 
   // Reserve space for the native arguments structure passed on the stack (the
   // outgoing pointer parameter to the native arguments structure is passed in
   // RDI) and align frame before entering the C++ world.
   __ subq(RSP, Immediate(sizeof(NativeArguments)));
   if (OS::ActivationFrameAlignment() > 1) {
     __ andq(RSP, Immediate(~(OS::ActivationFrameAlignment() - 1)));
   }
 
   // Pass NativeArguments structure by value and call native function.
-  __ movq(Address(RSP, thread_offset), THR);  // Set thread in NativeArgs.
+  __ movq(Address(RSP, thread_offset), THR);    // Set thread in NativeArgs.
   __ movq(Address(RSP, argc_tag_offset), R10);  // Set argc in NativeArguments.
-  __ movq(Address(RSP, argv_offset), RAX);  // Set argv in NativeArguments.
-  __ leaq(RAX, Address(RBP, 2 * kWordSize));  // Compute return value addr.
+  __ movq(Address(RSP, argv_offset), RAX);      // Set argv in NativeArguments.
+  __ leaq(RAX, Address(RBP, 2 * kWordSize));    // Compute return value addr.
   __ movq(Address(RSP, retval_offset), RAX);  // Set retval in NativeArguments.
 
   // Pass the pointer to the NativeArguments.
   __ movq(CallingConventions::kArg1Reg, RSP);
   // Pass pointer to function entrypoint.
   __ movq(CallingConventions::kArg2Reg, RBX);
 
   __ movq(RAX, Address(THR, Thread::native_call_wrapper_entry_point_offset()));
   __ CallCFunction(RAX);
 
@@ skipping 25 matching lines @@
   const intptr_t retval_offset =
       NativeArguments::retval_offset() + native_args_struct_offset;
 
   __ EnterStubFrame();
 
   // Save exit frame information to enable stack walking as we are about
   // to transition to native code.
   __ movq(Address(THR, Thread::top_exit_frame_info_offset()), RBP);
 
 #if defined(DEBUG)
-  { Label ok;
+  {
+    Label ok;
     // Check that we are always entering from Dart code.
     __ movq(R8, Immediate(VMTag::kDartTagId));
     __ cmpq(R8, Assembler::VMTagAddress());
     __ j(EQUAL, &ok, Assembler::kNearJump);
     __ Stop("Not coming from Dart code.");
     __ Bind(&ok);
   }
 #endif
 
   // Mark that the thread is executing native code.
   __ movq(Assembler::VMTagAddress(), RBX);
 
   // Reserve space for the native arguments structure passed on the stack (the
   // outgoing pointer parameter to the native arguments structure is passed in
   // RDI) and align frame before entering the C++ world.
   __ subq(RSP, Immediate(sizeof(NativeArguments)));
   if (OS::ActivationFrameAlignment() > 1) {
     __ andq(RSP, Immediate(~(OS::ActivationFrameAlignment() - 1)));
   }
 
   // Pass NativeArguments structure by value and call native function.
-  __ movq(Address(RSP, thread_offset), THR);  // Set thread in NativeArgs.
+  __ movq(Address(RSP, thread_offset), THR);    // Set thread in NativeArgs.
   __ movq(Address(RSP, argc_tag_offset), R10);  // Set argc in NativeArguments.
-  __ movq(Address(RSP, argv_offset), RAX);  // Set argv in NativeArguments.
-  __ leaq(RAX, Address(RBP, 2 * kWordSize));  // Compute return value addr.
+  __ movq(Address(RSP, argv_offset), RAX);      // Set argv in NativeArguments.
+  __ leaq(RAX, Address(RBP, 2 * kWordSize));    // Compute return value addr.
   __ movq(Address(RSP, retval_offset), RAX);  // Set retval in NativeArguments.
 
   // Pass the pointer to the NativeArguments.
   __ movq(CallingConventions::kArg1Reg, RSP);
   __ CallCFunction(RBX);
 
   // Mark that the thread is executing Dart code.
   __ movq(Assembler::VMTagAddress(), Immediate(VMTag::kDartTagId));
 
   // Reset exit frame information in Isolate structure.
   __ movq(Address(THR, Thread::top_exit_frame_info_offset()), Immediate(0));
 
   __ LeaveStubFrame();
   __ ret();
 }
 
 
 // Input parameters:
 //   R10: arguments descriptor array.
 void StubCode::GenerateCallStaticFunctionStub(Assembler* assembler) {
   __ EnterStubFrame();
   __ pushq(R10);  // Preserve arguments descriptor array.
   // Setup space on stack for return value.
   __ pushq(Immediate(0));
   __ CallRuntime(kPatchStaticCallRuntimeEntry, 0);
   __ popq(CODE_REG);  // Get Code object result.
-  __ popq(R10);  // Restore arguments descriptor array.
+  __ popq(R10);       // Restore arguments descriptor array.
   // Remove the stub frame as we are about to jump to the dart function.
   __ LeaveStubFrame();
 
   __ movq(RBX, FieldAddress(CODE_REG, Code::entry_point_offset()));
   __ jmp(RBX);
 }
 
 
 // Called from a static call only when an invalid code has been entered
 // (invalid because its function was optimized or deoptimized).
 // R10: arguments descriptor array.
 void StubCode::GenerateFixCallersTargetStub(Assembler* assembler) {
   // Load code pointer to this stub from the thread:
   // The one that is passed in, is not correct - it points to the code object
   // that needs to be replaced.
   __ movq(CODE_REG, Address(THR, Thread::fix_callers_target_code_offset()));
   __ EnterStubFrame();
   __ pushq(R10);  // Preserve arguments descriptor array.
   // Setup space on stack for return value.
   __ pushq(Immediate(0));
   __ CallRuntime(kFixCallersTargetRuntimeEntry, 0);
   __ popq(CODE_REG);  // Get Code object.
-  __ popq(R10);  // Restore arguments descriptor array.
+  __ popq(R10);       // Restore arguments descriptor array.
   __ movq(RAX, FieldAddress(CODE_REG, Code::entry_point_offset()));
   __ LeaveStubFrame();
   __ jmp(RAX);
   __ int3();
 }
 
 
 // Called from object allocate instruction when the allocation stub has been
 // disabled.
 void StubCode::GenerateFixAllocationStubTargetStub(Assembler* assembler) {
@@ skipping 104 matching lines @@
   __ subq(RSP, Immediate(kNumberOfXmmRegisters * kFpuRegisterSize));
   intptr_t offset = 0;
   for (intptr_t reg_idx = 0; reg_idx < kNumberOfXmmRegisters; ++reg_idx) {
     XmmRegister xmm_reg = static_cast<XmmRegister>(reg_idx);
     __ movups(Address(RSP, offset), xmm_reg);
     offset += kFpuRegisterSize;
   }
 
   // Pass address of saved registers block.
   __ movq(CallingConventions::kArg1Reg, RSP);
-  bool is_lazy = (kind == kLazyDeoptFromReturn) ||
-                 (kind == kLazyDeoptFromThrow);
+  bool is_lazy =
+      (kind == kLazyDeoptFromReturn) || (kind == kLazyDeoptFromThrow);
   __ movq(CallingConventions::kArg2Reg, Immediate(is_lazy ? 1 : 0));
   __ ReserveAlignedFrameSpace(0);  // Ensure stack is aligned before the call.
   __ CallRuntime(kDeoptimizeCopyFrameRuntimeEntry, 2);
   // Result (RAX) is stack-size (FP - SP) in bytes.
 
   if (kind == kLazyDeoptFromReturn) {
     // Restore result into RBX temporarily.
     __ movq(RBX, Address(RBP, saved_result_slot_from_fp * kWordSize));
   } else if (kind == kLazyDeoptFromThrow) {
     // Restore result into RBX temporarily.
     __ movq(RBX, Address(RBP, saved_exception_slot_from_fp * kWordSize));
     __ movq(RDX, Address(RBP, saved_stacktrace_slot_from_fp * kWordSize));
   }
 
   // There is a Dart Frame on the stack. We must restore PP and leave frame.
   __ RestoreCodePointer();
   __ LeaveStubFrame();
 
-  __ popq(RCX);   // Preserve return address.
+  __ popq(RCX);       // Preserve return address.
   __ movq(RSP, RBP);  // Discard optimized frame.
   __ subq(RSP, RAX);  // Reserve space for deoptimized frame.
-  __ pushq(RCX);  // Restore return address.
+  __ pushq(RCX);      // Restore return address.
 
   // DeoptimizeFillFrame expects a Dart frame, i.e. EnterDartFrame(0), but there
   // is no need to set the correct PC marker or load PP, since they get patched.
   __ EnterStubFrame();
 
   if (kind == kLazyDeoptFromReturn) {
     __ pushq(RBX);  // Preserve result as first local.
   } else if (kind == kLazyDeoptFromThrow) {
     __ pushq(RBX);  // Preserve exception as first local.
     __ pushq(RDX);  // Preserve stacktrace as second local.
@@ skipping 34 matching lines @@
   __ popq(RBX);
   __ SmiUntag(RBX);
   if (kind == kLazyDeoptFromReturn) {
     __ popq(RAX);  // Restore result.
   } else if (kind == kLazyDeoptFromThrow) {
     __ popq(RDX);  // Restore stacktrace.
     __ popq(RAX);  // Restore exception.
   }
   __ LeaveStubFrame();
 
-  __ popq(RCX);  // Pop return address.
+  __ popq(RCX);       // Pop return address.
   __ addq(RSP, RBX);  // Remove materialization arguments.
-  __ pushq(RCX);  // Push return address.
+  __ pushq(RCX);      // Push return address.
   __ ret();
 }
 
 
 // RAX: result, must be preserved
 void StubCode::GenerateDeoptimizeLazyFromReturnStub(Assembler* assembler) {
   // Push zap value instead of CODE_REG for lazy deopt.
   __ pushq(Immediate(0xf1f1f1f1));
   // Return address for "call" to deopt stub.
   __ pushq(Immediate(0xe1e1e1e1));
@@ skipping 22 matching lines @@
 static void GenerateDispatcherCode(Assembler* assembler,
                                    Label* call_target_function) {
   __ Comment("NoSuchMethodDispatch");
   // When lazily generated invocation dispatchers are disabled, the
   // miss-handler may return null.
   __ CompareObject(RAX, Object::null_object());
   __ j(NOT_EQUAL, call_target_function);
   __ EnterStubFrame();
   // Load the receiver.
   __ movq(RDI, FieldAddress(R10, ArgumentsDescriptor::count_offset()));
-  __ movq(RAX, Address(
-      RBP, RDI, TIMES_HALF_WORD_SIZE, kParamEndSlotFromFp * kWordSize));
+  __ movq(RAX, Address(RBP, RDI, TIMES_HALF_WORD_SIZE,
+                       kParamEndSlotFromFp * kWordSize));
   __ pushq(Immediate(0));  // Setup space on stack for result.
-  __ pushq(RAX);  // Receiver.
-  __ pushq(RBX);  // ICData/MegamorphicCache.
-  __ pushq(R10);  // Arguments descriptor array.
+  __ pushq(RAX);           // Receiver.
+  __ pushq(RBX);           // ICData/MegamorphicCache.
+  __ pushq(R10);           // Arguments descriptor array.
   __ movq(R10, RDI);
   // EDX: Smi-tagged arguments array length.
   PushArgumentsArray(assembler);
   const intptr_t kNumArgs = 4;
   __ CallRuntime(kInvokeNoSuchMethodDispatcherRuntimeEntry, kNumArgs);
   __ Drop(4);
   __ popq(RAX);  // Return value.
   __ LeaveStubFrame();
   __ ret();
 }
 
 
 void StubCode::GenerateMegamorphicMissStub(Assembler* assembler) {
   __ EnterStubFrame();
   // Load the receiver into RAX.  The argument count in the arguments
   // descriptor in R10 is a smi.
   __ movq(RAX, FieldAddress(R10, ArgumentsDescriptor::count_offset()));
   // Three words (saved pp, saved fp, stub's pc marker)
   // in the stack above the return address.
-  __ movq(RAX, Address(RSP, RAX, TIMES_4,
-                       kSavedAboveReturnAddress * kWordSize));
+  __ movq(RAX,
+          Address(RSP, RAX, TIMES_4, kSavedAboveReturnAddress * kWordSize));
   // Preserve IC data and arguments descriptor.
   __ pushq(RBX);
   __ pushq(R10);
 
   // Space for the result of the runtime call.
   __ pushq(Immediate(0));
   __ pushq(RAX);  // Receiver.
   __ pushq(RBX);  // IC data.
   __ pushq(R10);  // Arguments descriptor.
   __ CallRuntime(kMegamorphicCacheMissHandlerRuntimeEntry, 3);
@@ skipping 38 matching lines @@
   }
   __ cmpq(RDI, Immediate(0));
   __ j(LESS, &slow_case);
   // Check for maximum allowed length.
   const Immediate& max_len =
       Immediate(reinterpret_cast<int64_t>(Smi::New(Array::kMaxElements)));
   __ cmpq(RDI, max_len);
   __ j(GREATER, &slow_case);
 
   // Check for allocation tracing.
-  NOT_IN_PRODUCT(__ MaybeTraceAllocation(kArrayCid,
-                                         &slow_case,
-                                         Assembler::kFarJump));
+  NOT_IN_PRODUCT(
+      __ MaybeTraceAllocation(kArrayCid, &slow_case, Assembler::kFarJump));
 
   const intptr_t fixed_size = sizeof(RawArray) + kObjectAlignment - 1;
   __ leaq(RDI, Address(RDI, TIMES_4, fixed_size));  // RDI is a Smi.
   ASSERT(kSmiTagShift == 1);
   __ andq(RDI, Immediate(-kObjectAlignment));
 
   const intptr_t cid = kArrayCid;
   Heap::Space space = Heap::kNew;
   __ movq(R13, Address(THR, Thread::heap_offset()));
   __ movq(RAX, Address(R13, Heap::TopOffset(space)));
@@ skipping 31 matching lines @@
     __ Bind(&done);
 
     // Get the class index and insert it into the tags.
     __ orq(RDI, Immediate(RawObject::ClassIdTag::encode(cid)));
     __ movq(FieldAddress(RAX, Array::tags_offset()), RDI);  // Tags.
   }
 
   // RAX: new object start as a tagged pointer.
   // Store the type argument field.
   // No generetional barrier needed, since we store into a new object.
-  __ StoreIntoObjectNoBarrier(RAX,
-                              FieldAddress(RAX, Array::type_arguments_offset()),
-                              RBX);
+  __ StoreIntoObjectNoBarrier(
+      RAX, FieldAddress(RAX, Array::type_arguments_offset()), RBX);
 
   // Set the length field.
-  __ StoreIntoObjectNoBarrier(RAX,
-                              FieldAddress(RAX, Array::length_offset()),
+  __ StoreIntoObjectNoBarrier(RAX, FieldAddress(RAX, Array::length_offset()),
                               R10);
 
   // Initialize all array elements to raw_null.
   // RAX: new object start as a tagged pointer.
   // RCX: new object end address.
   // RDI: iterator which initially points to the start of the variable
   // data area to be initialized.
   __ LoadObject(R12, Object::null_object());
   __ leaq(RDI, FieldAddress(RAX, sizeof(RawArray)));
   Label done;
@@ skipping 37 matching lines @@
 //   RSP : points to return address.
 //   RDI : target code
 //   RSI : arguments descriptor array.
 //   RDX : arguments array.
 //   RCX : current thread.
 void StubCode::GenerateInvokeDartCodeStub(Assembler* assembler) {
   // Save frame pointer coming in.
   __ EnterFrame(0);
 
   const Register kTargetCodeReg = CallingConventions::kArg1Reg;
-  const Register kArgDescReg    = CallingConventions::kArg2Reg;
-  const Register kArgsReg       = CallingConventions::kArg3Reg;
-  const Register kThreadReg     = CallingConventions::kArg4Reg;
+  const Register kArgDescReg = CallingConventions::kArg2Reg;
+  const Register kArgsReg = CallingConventions::kArg3Reg;
+  const Register kThreadReg = CallingConventions::kArg4Reg;
 
   // Push code object to PC marker slot.
   __ pushq(Address(kThreadReg, Thread::invoke_dart_code_stub_offset()));
 
   // At this point, the stack looks like:
   // | stub code object
   // | saved RBP                                      | <-- RBP
   // | saved PC (return to DartEntry::InvokeFunction) |
 
   const intptr_t kInitialOffset = 2;
   // Save arguments descriptor array.
-  const intptr_t kArgumentsDescOffset = -(kInitialOffset) * kWordSize;
+  const intptr_t kArgumentsDescOffset = -(kInitialOffset)*kWordSize;
   __ pushq(kArgDescReg);
 
   // Save C++ ABI callee-saved registers.
   __ PushRegisters(CallingConventions::kCalleeSaveCpuRegisters,
                    CallingConventions::kCalleeSaveXmmRegisters);
 
   // If any additional (or fewer) values are pushed, the offsets in
   // kExitLinkSlotFromEntryFp will need to be changed.
 
   // Set up THR, which caches the current thread in Dart code.
   if (THR != kThreadReg) {
     __ movq(THR, kThreadReg);
   }
 
   // Save the current VMTag on the stack.
   __ movq(RAX, Assembler::VMTagAddress());
   __ pushq(RAX);
 
   // Mark that the thread is executing Dart code.
   __ movq(Assembler::VMTagAddress(), Immediate(VMTag::kDartTagId));
 
   // Save top resource and top exit frame info. Use RAX as a temporary register.
   // StackFrameIterator reads the top exit frame info saved in this frame.
   __ movq(RAX, Address(THR, Thread::top_resource_offset()));
   __ pushq(RAX);
-  __ movq(Address(THR, Thread::top_resource_offset()),
-          Immediate(0));
+  __ movq(Address(THR, Thread::top_resource_offset()), Immediate(0));
   __ movq(RAX, Address(THR, Thread::top_exit_frame_info_offset()));
   // The constant kExitLinkSlotFromEntryFp must be kept in sync with the
   // code below.
   __ pushq(RAX);
 #if defined(DEBUG)
   {
     Label ok;
     __ leaq(RAX, Address(RBP, kExitLinkSlotFromEntryFp * kWordSize));
     __ cmpq(RAX, RSP);
     __ j(EQUAL, &ok);
     __ Stop("kExitLinkSlotFromEntryFp mismatch");
     __ Bind(&ok);
   }
 #endif
 
-  __ movq(Address(THR, Thread::top_exit_frame_info_offset()),
-          Immediate(0));
+  __ movq(Address(THR, Thread::top_exit_frame_info_offset()), Immediate(0));
 
   // Load arguments descriptor array into R10, which is passed to Dart code.
   __ movq(R10, Address(kArgDescReg, VMHandles::kOffsetOfRawPtrInHandle));
 
   // Push arguments. At this point we only need to preserve kTargetCodeReg.
   ASSERT(kTargetCodeReg != RDX);
 
   // Load number of arguments into RBX.
   __ movq(RBX, FieldAddress(R10, ArgumentsDescriptor::count_offset()));
   __ SmiUntag(RBX);
@@ skipping 58 matching lines @@
   __ LoadObject(R9, Object::null_object());
   if (FLAG_inline_alloc) {
     Label slow_case;
     // First compute the rounded instance size.
     // R10: number of context variables.
     intptr_t fixed_size = (sizeof(RawContext) + kObjectAlignment - 1);
     __ leaq(R13, Address(R10, TIMES_8, fixed_size));
     __ andq(R13, Immediate(-kObjectAlignment));
 
     // Check for allocation tracing.
-    NOT_IN_PRODUCT(__ MaybeTraceAllocation(kContextCid,
-                                           &slow_case,
-                                           Assembler::kFarJump));
+    NOT_IN_PRODUCT(
+        __ MaybeTraceAllocation(kContextCid, &slow_case, Assembler::kFarJump));
 
     // Now allocate the object.
     // R10: number of context variables.
     const intptr_t cid = kContextCid;
     Heap::Space space = Heap::kNew;
     __ movq(RCX, Address(THR, Thread::heap_offset()));
     __ movq(RAX, Address(RCX, Heap::TopOffset(space)));
     __ addq(R13, RAX);
     // Check if the allocation fits into the remaining space.
     // RAX: potential new object.
@@ skipping 33 matching lines @@
       __ jmp(&done);
 
       __ Bind(&size_tag_overflow);
       // Set overflow size tag value.
       __ movq(R13, Immediate(0));
 
       __ Bind(&done);
       // RAX: new object.
       // R10: number of context variables.
       // R13: size and bit tags.
-      __ orq(R13,
-             Immediate(RawObject::ClassIdTag::encode(cid)));
+      __ orq(R13, Immediate(RawObject::ClassIdTag::encode(cid)));
       __ movq(FieldAddress(RAX, Context::tags_offset()), R13);  // Tags.
     }
 
     // Setup up number of context variables field.
     // RAX: new object.
     // R10: number of context variables as integer value (not object).
     __ movq(FieldAddress(RAX, Context::num_variables_offset()), R10);
 
     // Setup the parent field.
     // RAX: new object.
     // R10: number of context variables.
     // No generational barrier needed, since we are storing null.
-    __ StoreIntoObjectNoBarrier(RAX,
-                                FieldAddress(RAX, Context::parent_offset()),
-                                R9);
+    __ StoreIntoObjectNoBarrier(
+        RAX, FieldAddress(RAX, Context::parent_offset()), R9);
 
     // Initialize the context variables.
     // RAX: new object.
     // R10: number of context variables.
     {
       Label loop, entry;
       __ leaq(R13, FieldAddress(RAX, Context::variable_offset(0)));
 #if defined(DEBUG)
       static const bool kJumpLength = Assembler::kFarJump;
 #else
       static const bool kJumpLength = Assembler::kNearJump;
 #endif  // DEBUG
       __ jmp(&entry, kJumpLength);
       __ Bind(&loop);
       __ decq(R10);
       // No generational barrier needed, since we are storing null.
-      __ StoreIntoObjectNoBarrier(RAX,
-                                  Address(R13, R10, TIMES_8, 0),
-                                  R9);
+      __ StoreIntoObjectNoBarrier(RAX, Address(R13, R10, TIMES_8, 0), R9);
       __ Bind(&entry);
       __ cmpq(R10, Immediate(0));
       __ j(NOT_EQUAL, &loop, Assembler::kNearJump);
     }
 
     // Done allocating and initializing the context.
     // RAX: new object.
     __ ret();
 
     __ Bind(&slow_case);
@@ skipping 136 matching lines @@
     // Initialize the remaining words of the object.
     // RAX: new object (tagged).
     // RBX: next object start.
     // RDX: new object type arguments (if is_cls_parameterized).
     // R9: raw null.
     // First try inlining the initialization without a loop.
     if (instance_size < (kInlineInstanceSize * kWordSize)) {
       // Check if the object contains any non-header fields.
       // Small objects are initialized using a consecutive set of writes.
       for (intptr_t current_offset = Instance::NextFieldOffset();
-           current_offset < instance_size;
-           current_offset += kWordSize) {
-        __ StoreIntoObjectNoBarrier(RAX,
-                                    FieldAddress(RAX, current_offset),
-                                    R9);
+           current_offset < instance_size; current_offset += kWordSize) {
+        __ StoreIntoObjectNoBarrier(RAX, FieldAddress(RAX, current_offset), R9);
       }
     } else {
       __ leaq(RCX, FieldAddress(RAX, Instance::NextFieldOffset()));
       // Loop until the whole object is initialized.
       // RAX: new object (tagged).
       // RBX: next object start.
       // RCX: next word to be initialized.
       // RDX: new object type arguments (if is_cls_parameterized).
       Label init_loop;
       Label done;
@@ skipping 20 matching lines @@
     // Done allocating and initializing the instance.
     // RAX: new object (tagged).
     __ ret();
 
     __ Bind(&slow_case);
   }
   // If is_cls_parameterized:
   // RDX: new object type arguments.
   // Create a stub frame.
   __ EnterStubFrame();  // Uses PP to access class object.
-  __ pushq(R9);  // Setup space on stack for return value.
-  __ PushObject(cls);  // Push class of object to be allocated.
+  __ pushq(R9);         // Setup space on stack for return value.
+  __ PushObject(cls);   // Push class of object to be allocated.
   if (is_cls_parameterized) {
     __ pushq(RDX);  // Push type arguments of object to be allocated.
   } else {
     __ pushq(R9);  // Push null type arguments.
   }
   __ CallRuntime(kAllocateObjectRuntimeEntry, 2);  // Allocate object.
   __ popq(RAX);  // Pop argument (type arguments of object).
   __ popq(RAX);  // Pop argument (class of object).
   __ popq(RAX);  // Pop result (newly allocated object).
   // RAX: new object
@@ skipping 11 matching lines @@
 //   RSP + 8 : address of last argument.
 //   R10 : arguments descriptor array.
 void StubCode::GenerateCallClosureNoSuchMethodStub(Assembler* assembler) {
   __ EnterStubFrame();
 
   // Load the receiver.
   __ movq(R13, FieldAddress(R10, ArgumentsDescriptor::count_offset()));
   __ movq(RAX, Address(RBP, R13, TIMES_4, kParamEndSlotFromFp * kWordSize));
 
   __ pushq(Immediate(0));  // Result slot.
-  __ pushq(RAX);  // Receiver.
-  __ pushq(R10);  // Arguments descriptor array.
+  __ pushq(RAX);           // Receiver.
+  __ pushq(R10);           // Arguments descriptor array.
 
   __ movq(R10, R13);  // Smi-tagged arguments array length.
   PushArgumentsArray(assembler);
 
   const intptr_t kNumArgs = 3;
   __ CallRuntime(kInvokeClosureNoSuchMethodRuntimeEntry, kNumArgs);
   // noSuchMethod on closures always throws an error, so it will never return.
   __ int3();
 }
 
 
 // Cannot use function object from ICData as it may be the inlined
 // function and not the top-scope function.
 void StubCode::GenerateOptimizedUsageCounterIncrement(Assembler* assembler) {
   Register ic_reg = RBX;
   Register func_reg = RDI;
   if (FLAG_trace_optimized_ic_calls) {
     __ EnterStubFrame();
-    __ pushq(func_reg);     // Preserve
-    __ pushq(ic_reg);       // Preserve.
-    __ pushq(ic_reg);       // Argument.
-    __ pushq(func_reg);     // Argument.
+    __ pushq(func_reg);  // Preserve
+    __ pushq(ic_reg);    // Preserve.
+    __ pushq(ic_reg);    // Argument.
+    __ pushq(func_reg);  // Argument.
     __ CallRuntime(kTraceICCallRuntimeEntry, 2);
-    __ popq(RAX);          // Discard argument;
-    __ popq(RAX);          // Discard argument;
-    __ popq(ic_reg);       // Restore.
-    __ popq(func_reg);     // Restore.
+    __ popq(RAX);       // Discard argument;
+    __ popq(RAX);       // Discard argument;
+    __ popq(ic_reg);    // Restore.
+    __ popq(func_reg);  // Restore.
     __ LeaveStubFrame();
   }
   __ incl(FieldAddress(func_reg, Function::usage_counter_offset()));
 }
 
 
 // Loads function into 'temp_reg', preserves 'ic_reg'.
 void StubCode::GenerateUsageCounterIncrement(Assembler* assembler,
                                              Register temp_reg) {
   if (FLAG_optimization_counter_threshold >= 0) {
@@ skipping 10 matching lines @@
 // Note: RBX must be preserved.
 // Attempt a quick Smi operation for known operations ('kind'). The ICData
 // must have been primed with a Smi/Smi check that will be used for counting
 // the invocations.
 static void EmitFastSmiOp(Assembler* assembler,
                           Token::Kind kind,
                           intptr_t num_args,
                           Label* not_smi_or_overflow) {
   __ Comment("Fast Smi op");
   ASSERT(num_args == 2);
-  __ movq(RCX, Address(RSP, + 1 * kWordSize));  // Right
-  __ movq(RAX, Address(RSP, + 2 * kWordSize));  // Left.
+  __ movq(RCX, Address(RSP, +1 * kWordSize));  // Right
+  __ movq(RAX, Address(RSP, +2 * kWordSize));  // Left.
   __ movq(R13, RCX);
   __ orq(R13, RAX);
   __ testq(R13, Immediate(kSmiTagMask));
   __ j(NOT_ZERO, not_smi_or_overflow);
   switch (kind) {
     case Token::kADD: {
       __ addq(RAX, RCX);
       __ j(OVERFLOW, not_smi_or_overflow);
       break;
     }
     case Token::kSUB: {
       __ subq(RAX, RCX);
       __ j(OVERFLOW, not_smi_or_overflow);
       break;
     }
     case Token::kEQ: {
       Label done, is_true;
       __ cmpq(RAX, RCX);
       __ j(EQUAL, &is_true, Assembler::kNearJump);
       __ LoadObject(RAX, Bool::False());
       __ jmp(&done, Assembler::kNearJump);
       __ Bind(&is_true);
       __ LoadObject(RAX, Bool::True());
       __ Bind(&done);
       break;
     }
-    default: UNIMPLEMENTED();
+    default:
+      UNIMPLEMENTED();
   }
 
   // RBX: IC data object (preserved).
   __ movq(R13, FieldAddress(RBX, ICData::ic_data_offset()));
   // R13: ic_data_array with check entries: classes and target functions.
   __ leaq(R13, FieldAddress(R13, Array::data_offset()));
-  // R13: points directly to the first ic data array element.
+// R13: points directly to the first ic data array element.
 #if defined(DEBUG)
   // Check that first entry is for Smi/Smi.
   Label error, ok;
   const Immediate& imm_smi_cid =
       Immediate(reinterpret_cast<intptr_t>(Smi::New(kSmiCid)));
   __ cmpq(Address(R13, 0 * kWordSize), imm_smi_cid);
   __ j(NOT_EQUAL, &error, Assembler::kNearJump);
   __ cmpq(Address(R13, 1 * kWordSize), imm_smi_cid);
   __ j(EQUAL, &ok, Assembler::kNearJump);
   __ Bind(&error);
@@ skipping 26 matching lines @@
 // - Match found -> jump to target.
 // - Match not found -> jump to IC miss.
 void StubCode::GenerateNArgsCheckInlineCacheStub(
     Assembler* assembler,
     intptr_t num_args,
     const RuntimeEntry& handle_ic_miss,
     Token::Kind kind,
     bool optimized) {
   ASSERT(num_args > 0);
 #if defined(DEBUG)
-  { Label ok;
+  {
+    Label ok;
     // Check that the IC data array has NumArgsTested() == num_args.
     // 'NumArgsTested' is stored in the least significant bits of 'state_bits'.
     __ movl(RCX, FieldAddress(RBX, ICData::state_bits_offset()));
     ASSERT(ICData::NumArgsTestedShift() == 0);  // No shift needed.
     __ andq(RCX, Immediate(ICData::NumArgsTestedMask()));
     __ cmpq(RCX, Immediate(num_args));
     __ j(EQUAL, &ok, Assembler::kNearJump);
     __ Stop("Incorrect stub for IC data");
     __ Bind(&ok);
   }
 #endif  // DEBUG
 
   Label stepping, done_stepping;
   if (FLAG_support_debugger && !optimized) {
     __ Comment("Check single stepping");
     __ LoadIsolate(RAX);
     __ cmpb(Address(RAX, Isolate::single_step_offset()), Immediate(0));
     __ j(NOT_EQUAL, &stepping);
     __ Bind(&done_stepping);
   }
 
   Label not_smi_or_overflow;
   if (kind != Token::kILLEGAL) {
-    EmitFastSmiOp(
-        assembler,
-        kind,
-        num_args,
-        &not_smi_or_overflow);
+    EmitFastSmiOp(assembler, kind, num_args, &not_smi_or_overflow);
   }
   __ Bind(&not_smi_or_overflow);
 
   __ Comment("Extract ICData initial values and receiver cid");
   // Load arguments descriptor into R10.
   __ movq(R10, FieldAddress(RBX, ICData::arguments_descriptor_offset()));
   // Loop that checks if there is an IC data match.
   Label loop, update, test, found;
   // RBX: IC data object (preserved).
   __ movq(R13, FieldAddress(RBX, ICData::ic_data_offset()));
   // R13: ic_data_array with check entries: classes and target functions.
   __ leaq(R13, FieldAddress(R13, Array::data_offset()));
   // R13: points directly to the first ic data array element.
 
   // Get the receiver's class ID (first read number of arguments from
   // arguments descriptor array and then access the receiver from the stack).
   __ movq(RAX, FieldAddress(R10, ArgumentsDescriptor::count_offset()));
   __ movq(R9, Address(RSP, RAX, TIMES_4, 0));  // RAX (argument count) is Smi.
   __ LoadTaggedClassIdMayBeSmi(RAX, R9);
   // RAX: receiver's class ID as smi.
   __ movq(R9, Address(R13, 0));  // First class ID (Smi) to check.
   __ jmp(&test);
 
   __ Comment("ICData loop");
   __ Bind(&loop);
   for (int i = 0; i < num_args; i++) {
     if (i > 0) {
       // If not the first, load the next argument's class ID.
       __ movq(RAX, FieldAddress(R10, ArgumentsDescriptor::count_offset()));
-      __ movq(R9, Address(RSP, RAX, TIMES_4, - i * kWordSize));
+      __ movq(R9, Address(RSP, RAX, TIMES_4, -i * kWordSize));
       __ LoadTaggedClassIdMayBeSmi(RAX, R9);
       // RAX: next argument class ID (smi).
       __ movq(R9, Address(R13, i * kWordSize));
       // R9: next class ID to check (smi).
     }
     __ cmpq(RAX, R9);  // Class id match?
     if (i < (num_args - 1)) {
       __ j(NOT_EQUAL, &update);  // Continue.
     } else {
       // Last check, all checks before matched.
       __ j(EQUAL, &found);  // Break.
     }
   }
   __ Bind(&update);
   // Reload receiver class ID.  It has not been destroyed when num_args == 1.
   if (num_args > 1) {
     __ movq(RAX, FieldAddress(R10, ArgumentsDescriptor::count_offset()));
     __ movq(R9, Address(RSP, RAX, TIMES_4, 0));
     __ LoadTaggedClassIdMayBeSmi(RAX, R9);
   }
 
   const intptr_t entry_size = ICData::TestEntryLengthFor(num_args) * kWordSize;
   __ addq(R13, Immediate(entry_size));  // Next entry.
-  __ movq(R9, Address(R13, 0));  // Next class ID.
+  __ movq(R9, Address(R13, 0));         // Next class ID.
 
   __ Bind(&test);
   __ cmpq(R9, Immediate(Smi::RawValue(kIllegalCid)));  // Done?
   __ j(NOT_EQUAL, &loop, Assembler::kNearJump);
 
   __ Comment("IC miss");
   // Compute address of arguments (first read number of arguments from
   // arguments descriptor array and then compute address on the stack).
   __ movq(RAX, FieldAddress(R10, ArgumentsDescriptor::count_offset()));
   __ leaq(RAX, Address(RSP, RAX, TIMES_4, 0));  // RAX is Smi.
   __ EnterStubFrame();
-  __ pushq(R10);  // Preserve arguments descriptor array.
-  __ pushq(RBX);  // Preserve IC data object.
+  __ pushq(R10);           // Preserve arguments descriptor array.
+  __ pushq(RBX);           // Preserve IC data object.
   __ pushq(Immediate(0));  // Result slot.
   // Push call arguments.
   for (intptr_t i = 0; i < num_args; i++) {
     __ movq(RCX, Address(RAX, -kWordSize * i));
     __ pushq(RCX);
   }
   __ pushq(RBX);  // Pass IC data object.
   __ CallRuntime(handle_ic_miss, num_args + 1);
   // Remove the call arguments pushed earlier, including the IC data object.
   for (intptr_t i = 0; i < num_args + 1; i++) {
@@ skipping 53 matching lines @@
 //  RBX: Inline cache data object.
 //  TOS(0): Return address.
 // Inline cache data object structure:
 // 0: function-name
 // 1: N, number of arguments checked.
 // 2 .. (length - 1): group of checks, each check containing:
 //   - N classes.
 //   - 1 target function.
 void StubCode::GenerateOneArgCheckInlineCacheStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, RCX);
-  GenerateNArgsCheckInlineCacheStub(assembler, 1,
-      kInlineCacheMissHandlerOneArgRuntimeEntry,
-      Token::kILLEGAL);
+  GenerateNArgsCheckInlineCacheStub(
+      assembler, 1, kInlineCacheMissHandlerOneArgRuntimeEntry, Token::kILLEGAL);
 }
 
 
 void StubCode::GenerateTwoArgsCheckInlineCacheStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, RCX);
   GenerateNArgsCheckInlineCacheStub(assembler, 2,
-      kInlineCacheMissHandlerTwoArgsRuntimeEntry,
-      Token::kILLEGAL);
+                                    kInlineCacheMissHandlerTwoArgsRuntimeEntry,
+                                    Token::kILLEGAL);
 }
 
 
 void StubCode::GenerateSmiAddInlineCacheStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, RCX);
-  GenerateNArgsCheckInlineCacheStub(assembler, 2,
-      kInlineCacheMissHandlerTwoArgsRuntimeEntry,
-      Token::kADD);
+  GenerateNArgsCheckInlineCacheStub(
+      assembler, 2, kInlineCacheMissHandlerTwoArgsRuntimeEntry, Token::kADD);
 }
 
 
 void StubCode::GenerateSmiSubInlineCacheStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, RCX);
-  GenerateNArgsCheckInlineCacheStub(assembler, 2,
-      kInlineCacheMissHandlerTwoArgsRuntimeEntry,
-      Token::kSUB);
+  GenerateNArgsCheckInlineCacheStub(
+      assembler, 2, kInlineCacheMissHandlerTwoArgsRuntimeEntry, Token::kSUB);
 }
 
 
 void StubCode::GenerateSmiEqualInlineCacheStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, RCX);
-  GenerateNArgsCheckInlineCacheStub(assembler, 2,
-      kInlineCacheMissHandlerTwoArgsRuntimeEntry,
-      Token::kEQ);
+  GenerateNArgsCheckInlineCacheStub(
+      assembler, 2, kInlineCacheMissHandlerTwoArgsRuntimeEntry, Token::kEQ);
 }
 
 
 // Use inline cache data array to invoke the target or continue in inline
 // cache miss handler. Stub for 1-argument check (receiver class).
 //  RDI: function which counter needs to be incremented.
 //  RBX: Inline cache data object.
 //  TOS(0): Return address.
 // Inline cache data object structure:
 // 0: function-name
 // 1: N, number of arguments checked.
 // 2 .. (length - 1): group of checks, each check containing:
 //   - N classes.
 //   - 1 target function.
 void StubCode::GenerateOneArgOptimizedCheckInlineCacheStub(
     Assembler* assembler) {
   GenerateOptimizedUsageCounterIncrement(assembler);
   GenerateNArgsCheckInlineCacheStub(assembler, 1,
-      kInlineCacheMissHandlerOneArgRuntimeEntry,
-      Token::kILLEGAL,
-      true /* optimized */);
+                                    kInlineCacheMissHandlerOneArgRuntimeEntry,
+                                    Token::kILLEGAL, true /* optimized */);
 }
 
 
 void StubCode::GenerateTwoArgsOptimizedCheckInlineCacheStub(
     Assembler* assembler) {
   GenerateOptimizedUsageCounterIncrement(assembler);
   GenerateNArgsCheckInlineCacheStub(assembler, 2,
-      kInlineCacheMissHandlerTwoArgsRuntimeEntry,
-      Token::kILLEGAL,
-      true /* optimized */);
+                                    kInlineCacheMissHandlerTwoArgsRuntimeEntry,
+                                    Token::kILLEGAL, true /* optimized */);
 }
 
 
 // Intermediary stub between a static call and its target. ICData contains
 // the target function and the call count.
 // RBX: ICData
 void StubCode::GenerateZeroArgsUnoptimizedStaticCallStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, RCX);
 #if defined(DEBUG)
-  { Label ok;
+  {
+    Label ok;
     // Check that the IC data array has NumArgsTested() == 0.
     // 'NumArgsTested' is stored in the least significant bits of 'state_bits'.
     __ movl(RCX, FieldAddress(RBX, ICData::state_bits_offset()));
     ASSERT(ICData::NumArgsTestedShift() == 0);  // No shift needed.
     __ andq(RCX, Immediate(ICData::NumArgsTestedMask()));
     __ cmpq(RCX, Immediate(0));
     __ j(EQUAL, &ok, Assembler::kNearJump);
     __ Stop("Incorrect IC data for unoptimized static call");
     __ Bind(&ok);
   }
 #endif  // DEBUG
 
   // Check single stepping.
   Label stepping, done_stepping;
   if (FLAG_support_debugger) {
     __ LoadIsolate(RAX);
     __ movzxb(RAX, Address(RAX, Isolate::single_step_offset()));
     __ cmpq(RAX, Immediate(0));
 #if defined(DEBUG)
-      static const bool kJumpLength = Assembler::kFarJump;
+    static const bool kJumpLength = Assembler::kFarJump;
 #else
-      static const bool kJumpLength = Assembler::kNearJump;
+    static const bool kJumpLength = Assembler::kNearJump;
 #endif  // DEBUG
     __ j(NOT_EQUAL, &stepping, kJumpLength);
     __ Bind(&done_stepping);
   }
 
   // RBX: IC data object (preserved).
   __ movq(R12, FieldAddress(RBX, ICData::ic_data_offset()));
   // R12: ic_data_array with entries: target functions and count.
   __ leaq(R12, FieldAddress(R12, Array::data_offset()));
   // R12: points directly to the first ic data array element.
@@ skipping 27 matching lines @@
     __ RestoreCodePointer();
     __ LeaveStubFrame();
     __ jmp(&done_stepping, Assembler::kNearJump);
   }
 }
 
 
 void StubCode::GenerateOneArgUnoptimizedStaticCallStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, RCX);
   GenerateNArgsCheckInlineCacheStub(
-      assembler,
-      1,
-      kStaticCallMissHandlerOneArgRuntimeEntry,
-      Token::kILLEGAL);
+      assembler, 1, kStaticCallMissHandlerOneArgRuntimeEntry, Token::kILLEGAL);
 }
 
 
 void StubCode::GenerateTwoArgsUnoptimizedStaticCallStub(Assembler* assembler) {
   GenerateUsageCounterIncrement(assembler, RCX);
-  GenerateNArgsCheckInlineCacheStub(assembler,
-      2,
-      kStaticCallMissHandlerTwoArgsRuntimeEntry,
-      Token::kILLEGAL);
+  GenerateNArgsCheckInlineCacheStub(
+      assembler, 2, kStaticCallMissHandlerTwoArgsRuntimeEntry, Token::kILLEGAL);
 }
 
 
 // Stub for compiling a function and jumping to the compiled code.
 // RCX: IC-Data (for methods).
 // R10: Arguments descriptor.
 // RAX: Function.
 void StubCode::GenerateLazyCompileStub(Assembler* assembler) {
   __ EnterStubFrame();
   __ pushq(R10);  // Preserve arguments descriptor array.
   __ pushq(RBX);  // Preserve IC data object.
   __ pushq(RAX);  // Pass function.
   __ CallRuntime(kCompileFunctionRuntimeEntry, 1);
   __ popq(RAX);  // Restore function.
   __ popq(RBX);  // Restore IC data array.
   __ popq(R10);  // Restore arguments descriptor array.
   __ LeaveStubFrame();
 
   __ movq(CODE_REG, FieldAddress(RAX, Function::code_offset()));
   __ movq(RAX, FieldAddress(RAX, Function::entry_point_offset()));
   __ jmp(RAX);
 }
 
 
 // RBX: Contains an ICData.
 // TOS(0): return address (Dart code).
 void StubCode::GenerateICCallBreakpointStub(Assembler* assembler) {
   __ EnterStubFrame();
-  __ pushq(RBX);  // Preserve IC data.
+  __ pushq(RBX);           // Preserve IC data.
   __ pushq(Immediate(0));  // Result slot.
   __ CallRuntime(kBreakpointRuntimeHandlerRuntimeEntry, 0);
   __ popq(CODE_REG);  // Original stub.
-  __ popq(RBX);  // Restore IC data.
+  __ popq(RBX);       // Restore IC data.
   __ LeaveStubFrame();
 
   __ movq(RAX, FieldAddress(CODE_REG, Code::entry_point_offset()));
-  __ jmp(RAX);   // Jump to original stub.
+  __ jmp(RAX);  // Jump to original stub.
 }
 
 
 //  TOS(0): return address (Dart code).
 void StubCode::GenerateRuntimeCallBreakpointStub(Assembler* assembler) {
   __ EnterStubFrame();
   __ pushq(Immediate(0));  // Result slot.
   __ CallRuntime(kBreakpointRuntimeHandlerRuntimeEntry, 0);
   __ popq(CODE_REG);  // Original stub.
   __ LeaveStubFrame();
 
   __ movq(RAX, FieldAddress(CODE_REG, Code::entry_point_offset()));
-  __ jmp(RAX);   // Jump to original stub.
+  __ jmp(RAX);  // Jump to original stub.
 }
 
 
 // Called only from unoptimized code.
 void StubCode::GenerateDebugStepCheckStub(Assembler* assembler) {
   // Check single stepping.
   Label stepping, done_stepping;
   __ LoadIsolate(RAX);
   __ movzxb(RAX, Address(RAX, Isolate::single_step_offset()));
   __ cmpq(RAX, Immediate(0));
@@ skipping 20 matching lines @@
   const intptr_t kInstantiatorTypeArgumentsInBytes = 1 * kWordSize;
   const intptr_t kInstanceOffsetInBytes = 2 * kWordSize;
   const intptr_t kCacheOffsetInBytes = 3 * kWordSize;
   __ movq(RAX, Address(RSP, kInstanceOffsetInBytes));
   __ LoadObject(R9, Object::null_object());
   if (n > 1) {
     __ LoadClass(R10, RAX);
     // Compute instance type arguments into R13.
     Label has_no_type_arguments;
     __ movq(R13, R9);
-    __ movl(RDI, FieldAddress(R10,
-        Class::type_arguments_field_offset_in_words_offset()));
+    __ movl(RDI,
+            FieldAddress(R10,
+                         Class::type_arguments_field_offset_in_words_offset()));
     __ cmpl(RDI, Immediate(Class::kNoTypeArguments));
     __ j(EQUAL, &has_no_type_arguments, Assembler::kNearJump);
     __ movq(R13, FieldAddress(RAX, RDI, TIMES_8, 0));
     __ Bind(&has_no_type_arguments);
   }
   __ LoadClassId(R10, RAX);
   // RAX: instance, R10: instance class id.
   // R13: instance type arguments or null, used only if n > 1.
   __ movq(RDX, Address(RSP, kCacheOffsetInBytes));
   // RDX: SubtypeTestCache.
   __ movq(RDX, FieldAddress(RDX, SubtypeTestCache::cache_offset()));
   __ addq(RDX, Immediate(Array::data_offset() - kHeapObjectTag));
   // RDX: Entry start.
   // R10: instance class id.
   // R13: instance type arguments.
   Label loop, found, not_found, next_iteration;
   __ SmiTag(R10);
   __ cmpq(R10, Immediate(Smi::RawValue(kClosureCid)));
   __ j(NOT_EQUAL, &loop, Assembler::kNearJump);
   __ movq(R10, FieldAddress(RAX, Closure::function_offset()));
   // R10: instance class id as Smi or function.
   __ Bind(&loop);
-  __ movq(RDI,
-          Address(RDX,
-                  kWordSize * SubtypeTestCache::kInstanceClassIdOrFunction));
+  __ movq(RDI, Address(RDX, kWordSize *
+                                SubtypeTestCache::kInstanceClassIdOrFunction));
   __ cmpq(RDI, R9);
   __ j(EQUAL, &not_found, Assembler::kNearJump);
   __ cmpq(RDI, R10);
   if (n == 1) {
     __ j(EQUAL, &found, Assembler::kNearJump);
   } else {
     __ j(NOT_EQUAL, &next_iteration, Assembler::kNearJump);
     __ movq(RDI,
-        Address(RDX, kWordSize * SubtypeTestCache::kInstanceTypeArguments));
+            Address(RDX, kWordSize * SubtypeTestCache::kInstanceTypeArguments));
     __ cmpq(RDI, R13);
     if (n == 2) {
       __ j(EQUAL, &found, Assembler::kNearJump);
     } else {
       __ j(NOT_EQUAL, &next_iteration, Assembler::kNearJump);
       __ movq(RDI,
-          Address(RDX,
-                  kWordSize * SubtypeTestCache::kInstantiatorTypeArguments));
+              Address(RDX, kWordSize *
+                               SubtypeTestCache::kInstantiatorTypeArguments));
       __ cmpq(RDI, Address(RSP, kInstantiatorTypeArgumentsInBytes));
       __ j(EQUAL, &found, Assembler::kNearJump);
     }
   }
 
   __ Bind(&next_iteration);
   __ addq(RDX, Immediate(kWordSize * SubtypeTestCache::kTestEntryLength));
   __ jmp(&loop, Assembler::kNearJump);
   // Fall through to not found.
   __ Bind(&not_found);
@@ skipping 72 matching lines @@
   Register stacktrace_reg = CallingConventions::kArg5Reg;
   __ movq(THR, CallingConventions::kArg6Reg);
 #endif
   __ movq(RBP, CallingConventions::kArg3Reg);
   __ movq(RSP, CallingConventions::kArg2Reg);
   __ movq(kStackTraceObjectReg, stacktrace_reg);
   __ movq(kExceptionObjectReg, CallingConventions::kArg4Reg);
   // Set the tag.
   __ movq(Assembler::VMTagAddress(), Immediate(VMTag::kDartTagId));
   // Clear top exit frame.
-  __ movq(Address(THR, Thread::top_exit_frame_info_offset()),
-          Immediate(0));
+  __ movq(Address(THR, Thread::top_exit_frame_info_offset()), Immediate(0));
   // Restore the pool pointer.
   __ RestoreCodePointer();
   __ LoadPoolPointer(PP);
   __ jmp(CallingConventions::kArg1Reg);  // Jump to the exception handler code.
 }
 
 
 // Calls to the runtime to optimize the given function.
 // RDI: function to be reoptimized.
 // R10: argument descriptor (preserved).
 void StubCode::GenerateOptimizeFunctionStub(Assembler* assembler) {
   __ EnterStubFrame();
-  __ pushq(R10);  // Preserve args descriptor.
+  __ pushq(R10);           // Preserve args descriptor.
   __ pushq(Immediate(0));  // Result slot.
-  __ pushq(RDI);  // Arg0: function to optimize
+  __ pushq(RDI);           // Arg0: function to optimize
   __ CallRuntime(kOptimizeInvokedFunctionRuntimeEntry, 1);
   __ popq(RAX);  // Disard argument.
   __ popq(RAX);  // Get Code object.
   __ popq(R10);  // Restore argument descriptor.
   __ LeaveStubFrame();
   __ movq(CODE_REG, FieldAddress(RAX, Function::code_offset()));
   __ movq(RCX, FieldAddress(RAX, Function::entry_point_offset()));
   __ jmp(RCX);
   __ int3();
 }
@@ skipping 342 matching lines @@
 }
 
 
 void StubCode::GenerateFrameAwaitingMaterializationStub(Assembler* assembler) {
   __ int3();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64