[builtins] move builtin files to src/builtins/.

src/builtins/arm64/builtins-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/arm64/frames-arm64.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
 #include "src/runtime/runtime.h"
 
 namespace v8 {
 namespace internal {
 
-
 #define __ ACCESS_MASM(masm)
 
-
 // Load the built-in Array function from the current context.
 static void GenerateLoadArrayFunction(MacroAssembler* masm, Register result) {
   // Load the InternalArray function from the native context.
   __ LoadNativeContextSlot(Context::ARRAY_FUNCTION_INDEX, result);
 }
 
-
 // Load the built-in InternalArray function from the current context.
 static void GenerateLoadInternalArrayFunction(MacroAssembler* masm,
                                               Register result) {
   // Load the InternalArray function from the native context.
   __ LoadNativeContextSlot(Context::INTERNAL_ARRAY_FUNCTION_INDEX, result);
 }
 
 void Builtins::Generate_Adaptor(MacroAssembler* masm, CFunctionId id,
                                 ExitFrameType exit_frame_type) {
   // ----------- S t a t e -------------
@@ skipping 20 matching lines @@
 
   // Insert extra arguments.
   __ SmiTag(x0);
   __ Push(x0, x1, x3);
   __ SmiUntag(x0);
 
   __ JumpToExternalReference(ExternalReference(id, masm->isolate()),
                              exit_frame_type == BUILTIN_EXIT);
 }
 
-
 void Builtins::Generate_InternalArrayCode(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0     : number of arguments
   //  -- lr     : return address
   //  -- sp[...]: constructor arguments
   // -----------------------------------
   ASM_LOCATION("Builtins::Generate_InternalArrayCode");
   Label generic_array_code;
 
   // Get the InternalArray function.
   GenerateLoadInternalArrayFunction(masm, x1);
 
   if (FLAG_debug_code) {
     // Initial map for the builtin InternalArray functions should be maps.
     __ Ldr(x10, FieldMemOperand(x1, JSFunction::kPrototypeOrInitialMapOffset));
     __ Tst(x10, kSmiTagMask);
     __ Assert(ne, kUnexpectedInitialMapForInternalArrayFunction);
     __ CompareObjectType(x10, x11, x12, MAP_TYPE);
     __ Assert(eq, kUnexpectedInitialMapForInternalArrayFunction);
   }
 
   // Run the native code for the InternalArray function called as a normal
   // function.
   InternalArrayConstructorStub stub(masm->isolate());
   __ TailCallStub(&stub);
 }
 
-
 void Builtins::Generate_ArrayCode(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0     : number of arguments
   //  -- lr     : return address
   //  -- sp[...]: constructor arguments
   // -----------------------------------
   ASM_LOCATION("Builtins::Generate_ArrayCode");
   Label generic_array_code, one_or_more_arguments, two_or_more_arguments;
 
   // Get the Array function.
   GenerateLoadArrayFunction(masm, x1);
 
   if (FLAG_debug_code) {
     // Initial map for the builtin Array functions should be maps.
     __ Ldr(x10, FieldMemOperand(x1, JSFunction::kPrototypeOrInitialMapOffset));
     __ Tst(x10, kSmiTagMask);
     __ Assert(ne, kUnexpectedInitialMapForArrayFunction);
     __ CompareObjectType(x10, x11, x12, MAP_TYPE);
     __ Assert(eq, kUnexpectedInitialMapForArrayFunction);
   }
 
   // Run the native code for the Array function called as a normal function.
   __ LoadRoot(x2, Heap::kUndefinedValueRootIndex);
   __ Mov(x3, x1);
   ArrayConstructorStub stub(masm->isolate());
   __ TailCallStub(&stub);
 }
 
-
 // static
 void Builtins::Generate_MathMaxMin(MacroAssembler* masm, MathMaxMinKind kind) {
   // ----------- S t a t e -------------
   //  -- x0                     : number of arguments
   //  -- x1                     : function
   //  -- cp                     : context
   //  -- lr                     : return address
   //  -- sp[(argc - n - 1) * 8] : arg[n] (zero-based)
   //  -- sp[argc * 8]           : receiver
   // -----------------------------------
@@ skipping 116 matching lines @@
     // Drop all arguments.
     __ Drop(x2);
   }
 
   // 2b. No arguments, return +0 (already in x0).
   __ Bind(&no_arguments);
   __ Drop(1);
   __ Ret();
 }
 
-
 // static
 void Builtins::Generate_NumberConstructor_ConstructStub(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0                     : number of arguments
   //  -- x1                     : constructor function
   //  -- x3                     : new target
   //  -- cp                     : context
   //  -- lr                     : return address
   //  -- sp[(argc - n - 1) * 8] : arg[n] (zero based)
   //  -- sp[argc * 8]           : receiver
@@ skipping 61 matching lines @@
   __ Str(x2, FieldMemOperand(x0, JSValue::kValueOffset));
 
   __ bind(&drop_frame_and_ret);
   {
     __ Drop(x6);
     __ Drop(1);
     __ Ret();
   }
 }
 
-
 // static
 void Builtins::Generate_StringConstructor(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0                     : number of arguments
   //  -- x1                     : constructor function
   //  -- cp                     : context
   //  -- lr                     : return address
   //  -- sp[(argc - n - 1) * 8] : arg[n] (zero based)
   //  -- sp[argc * 8]           : receiver
   // -----------------------------------
@@ skipping 51 matching lines @@
   }
 
   __ bind(&drop_frame_and_ret);
   {
     __ Drop(x2);
     __ Drop(1);
     __ Ret();
   }
 }
 
-
 // static
 void Builtins::Generate_StringConstructor_ConstructStub(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0                     : number of arguments
   //  -- x1                     : constructor function
   //  -- x3                     : new target
   //  -- cp                     : context
   //  -- lr                     : return address
   //  -- sp[(argc - n - 1) * 8] : arg[n] (zero based)
   //  -- sp[argc * 8]           : receiver
@@ skipping 96 matching lines @@
 
     // Restore target function and new target.
     __ Pop(x3, x1, x0);
     __ SmiUntag(x0);
   }
 
   __ Add(x2, x2, Code::kHeaderSize - kHeapObjectTag);
   __ Br(x2);
 }
 
-
 void Builtins::Generate_InOptimizationQueue(MacroAssembler* masm) {
   // Checking whether the queued function is ready for install is optional,
   // since we come across interrupts and stack checks elsewhere. However, not
   // checking may delay installing ready functions, and always checking would be
   // quite expensive. A good compromise is to first check against stack limit as
   // a cue for an interrupt signal.
   Label ok;
   __ CompareRoot(masm->StackPointer(), Heap::kStackLimitRootIndex);
   __ B(hs, &ok);
 
   GenerateTailCallToReturnedCode(masm, Runtime::kTryInstallOptimizedCode);
 
   __ Bind(&ok);
   GenerateTailCallToSharedCode(masm);
 }
 
-
 static void Generate_JSConstructStubHelper(MacroAssembler* masm,
                                            bool is_api_function,
                                            bool create_implicit_receiver,
                                            bool check_derived_construct) {
   // ----------- S t a t e -------------
   //  -- x0     : number of arguments
   //  -- x1     : constructor function
   //  -- x2     : allocation site or undefined
   //  -- x3     : new target
   //  -- lr     : return address
@@ skipping 148 matching lines @@
   }
 
   __ DropBySMI(x1);
   __ Drop(1);
   if (create_implicit_receiver) {
     __ IncrementCounter(isolate->counters()->constructed_objects(), 1, x1, x2);
   }
   __ Ret();
 }
 
-
 void Builtins::Generate_JSConstructStubGeneric(MacroAssembler* masm) {
   Generate_JSConstructStubHelper(masm, false, true, false);
 }
 
-
 void Builtins::Generate_JSConstructStubApi(MacroAssembler* masm) {
   Generate_JSConstructStubHelper(masm, true, false, false);
 }
 
-
 void Builtins::Generate_JSBuiltinsConstructStub(MacroAssembler* masm) {
   Generate_JSConstructStubHelper(masm, false, false, false);
 }
 
-
 void Builtins::Generate_JSBuiltinsConstructStubForDerived(
     MacroAssembler* masm) {
   Generate_JSConstructStubHelper(masm, false, false, true);
 }
 
-
 void Builtins::Generate_ConstructedNonConstructable(MacroAssembler* masm) {
   FrameScope scope(masm, StackFrame::INTERNAL);
   __ Push(x1);
   __ CallRuntime(Runtime::kThrowConstructedNonConstructable);
 }
 
 // static
 void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0 : the value to pass to the generator
@@ skipping 60 matching lines @@
   // Dispatch on the kind of generator object.
   Label old_generator;
   __ Ldr(x3, FieldMemOperand(x4, JSFunction::kSharedFunctionInfoOffset));
   __ Ldr(x3, FieldMemOperand(x3, SharedFunctionInfo::kFunctionDataOffset));
   __ CompareObjectType(x3, x3, x3, BYTECODE_ARRAY_TYPE);
   __ B(ne, &old_generator);
 
   // New-style (ignition/turbofan) generator object
   {
     __ Ldr(x0, FieldMemOperand(x4, JSFunction::kSharedFunctionInfoOffset));
-    __ Ldr(w0,
-         FieldMemOperand(x0, SharedFunctionInfo::kFormalParameterCountOffset));
+    __ Ldr(w0, FieldMemOperand(
+                   x0, SharedFunctionInfo::kFormalParameterCountOffset));
     // We abuse new.target both to indicate that this is a resume call and to
     // pass in the generator object.  In ordinary calls, new.target is always
     // undefined because generator functions are non-constructable.
     __ Move(x3, x1);
     __ Move(x1, x4);
     __ Ldr(x5, FieldMemOperand(x1, JSFunction::kCodeEntryOffset));
     __ Jump(x5);
   }
 
   // Old-style (full-codegen) generator object
@@ skipping 23 matching lines @@
     }
 
     // Reset operand stack so we don't leak.
     __ LoadRoot(x10, Heap::kEmptyFixedArrayRootIndex);
     __ Str(x10, FieldMemOperand(x1, JSGeneratorObject::kOperandStackOffset));
 
     // Resume the generator function at the continuation.
     __ Ldr(x10, FieldMemOperand(x4, JSFunction::kSharedFunctionInfoOffset));
     __ Ldr(x10, FieldMemOperand(x10, SharedFunctionInfo::kCodeOffset));
     __ Add(x10, x10, Code::kHeaderSize - kHeapObjectTag);
-    __ Ldrsw(x11,
-        UntagSmiFieldMemOperand(x1, JSGeneratorObject::kContinuationOffset));
+    __ Ldrsw(x11, UntagSmiFieldMemOperand(
+                      x1, JSGeneratorObject::kContinuationOffset));
     __ Add(x10, x10, x11);
     __ Mov(x12, Smi::FromInt(JSGeneratorObject::kGeneratorExecuting));
     __ Str(x12, FieldMemOperand(x1, JSGeneratorObject::kContinuationOffset));
     __ Move(x0, x1);  // Continuation expects generator object in x0.
     __ Br(x10);
   }
 
   __ Bind(&prepare_step_in_if_stepping);
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
@@ skipping 10 matching lines @@
     __ Push(x1, x2);
     __ CallRuntime(Runtime::kDebugPrepareStepInSuspendedGenerator);
     __ Pop(x2, x1);
     __ Ldr(x4, FieldMemOperand(x1, JSGeneratorObject::kFunctionOffset));
   }
   __ B(&stepping_prepared);
 }
 
 enum IsTagged { kArgcIsSmiTagged, kArgcIsUntaggedInt };
 
-
 // Clobbers x10, x15; preserves all other registers.
 static void Generate_CheckStackOverflow(MacroAssembler* masm, Register argc,
                                         IsTagged argc_is_tagged) {
   // Check the stack for overflow.
   // We are not trying to catch interruptions (e.g. debug break and
   // preemption) here, so the "real stack limit" is checked.
   Label enough_stack_space;
   __ LoadRoot(x10, Heap::kRealStackLimitRootIndex);
   // Make x10 the space we have left. The stack might already be overflowed
   // here which will cause x10 to become negative.
   // TODO(jbramley): Check that the stack usage here is safe.
   __ Sub(x10, jssp, x10);
   // Check if the arguments will overflow the stack.
   if (argc_is_tagged == kArgcIsSmiTagged) {
     __ Cmp(x10, Operand::UntagSmiAndScale(argc, kPointerSizeLog2));
   } else {
     DCHECK(argc_is_tagged == kArgcIsUntaggedInt);
     __ Cmp(x10, Operand(argc, LSL, kPointerSizeLog2));
   }
   __ B(gt, &enough_stack_space);
   __ CallRuntime(Runtime::kThrowStackOverflow);
   // We should never return from the APPLY_OVERFLOW builtin.
   if (__ emit_debug_code()) {
     __ Unreachable();
   }
 
   __ Bind(&enough_stack_space);
 }
 
-
 // Input:
 //   x0: new.target.
 //   x1: function.
 //   x2: receiver.
 //   x3: argc.
 //   x4: argv.
 // Output:
 //   x0: result.
 static void Generate_JSEntryTrampolineHelper(MacroAssembler* masm,
                                              bool is_construct) {
@@ skipping 29 matching lines @@
     // x3: argc.
     // x4: argv.
     Label loop, entry;
     // Compute the copy end address.
     __ Add(scratch, argv, Operand(argc, LSL, kPointerSizeLog2));
 
     __ B(&entry);
     __ Bind(&loop);
     __ Ldr(x11, MemOperand(argv, kPointerSize, PostIndex));
     __ Ldr(x12, MemOperand(x11));  // Dereference the handle.
-    __ Push(x12);  // Push the argument.
+    __ Push(x12);                  // Push the argument.
     __ Bind(&entry);
     __ Cmp(scratch, argv);
     __ B(ne, &loop);
 
     __ Mov(scratch, argc);
     __ Mov(argc, new_target);
     __ Mov(new_target, scratch);
     // x0: argc.
     // x3: new.target.
 
@@ skipping 19 matching lines @@
     __ Call(builtin, RelocInfo::CODE_TARGET);
 
     // Exit the JS internal frame and remove the parameters (except function),
     // and return.
   }
 
   // Result is in x0. Return.
   __ Ret();
 }
 
-
 void Builtins::Generate_JSEntryTrampoline(MacroAssembler* masm) {
   Generate_JSEntryTrampolineHelper(masm, false);
 }
 
-
 void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) {
   Generate_JSEntryTrampolineHelper(masm, true);
 }
 
 static void LeaveInterpreterFrame(MacroAssembler* masm, Register scratch) {
   Register args_count = scratch;
 
   // Get the arguments + receiver count.
   __ ldr(args_count,
          MemOperand(fp, InterpreterFrameConstants::kBytecodeArrayFromFp));
@@ skipping 430 matching lines @@
 
 void Builtins::Generate_CompileBaseline(MacroAssembler* masm) {
   GenerateTailCallToReturnedCode(masm, Runtime::kCompileBaseline);
 }
 
 void Builtins::Generate_CompileOptimized(MacroAssembler* masm) {
   GenerateTailCallToReturnedCode(masm,
                                  Runtime::kCompileOptimized_NotConcurrent);
 }
 
-
 void Builtins::Generate_CompileOptimizedConcurrent(MacroAssembler* masm) {
   GenerateTailCallToReturnedCode(masm, Runtime::kCompileOptimized_Concurrent);
 }
 
 void Builtins::Generate_InstantiateAsmJs(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0 : argument count (preserved for callee)
   //  -- x1 : new target (preserved for callee)
   //  -- x3 : target function (preserved for callee)
   // -----------------------------------
@@ skipping 50 matching lines @@
     __ CallCFunction(
         ExternalReference::get_make_code_young_function(masm->isolate()), 2);
     __ Pop(lr, fp, x3, x1, x0);
   }
 
   // The calling function has been made young again, so return to execute the
   // real frame set-up code.
   __ Br(x0);
 }
 
-#define DEFINE_CODE_AGE_BUILTIN_GENERATOR(C)                 \
-void Builtins::Generate_Make##C##CodeYoungAgainEvenMarking(  \
-    MacroAssembler* masm) {                                  \
-  GenerateMakeCodeYoungAgainCommon(masm);                    \
-}                                                            \
-void Builtins::Generate_Make##C##CodeYoungAgainOddMarking(   \
-    MacroAssembler* masm) {                                  \
-  GenerateMakeCodeYoungAgainCommon(masm);                    \
-}
+#define DEFINE_CODE_AGE_BUILTIN_GENERATOR(C)                  \
+  void Builtins::Generate_Make##C##CodeYoungAgainEvenMarking( \
+      MacroAssembler* masm) {                                 \
+    GenerateMakeCodeYoungAgainCommon(masm);                   \
+  }                                                           \
+  void Builtins::Generate_Make##C##CodeYoungAgainOddMarking(  \
+      MacroAssembler* masm) {                                 \
+    GenerateMakeCodeYoungAgainCommon(masm);                   \
+  }
 CODE_AGE_LIST(DEFINE_CODE_AGE_BUILTIN_GENERATOR)
 #undef DEFINE_CODE_AGE_BUILTIN_GENERATOR
 
-
 void Builtins::Generate_MarkCodeAsExecutedOnce(MacroAssembler* masm) {
   // For now, as in GenerateMakeCodeYoungAgainCommon, we are relying on the fact
   // that make_code_young doesn't do any garbage collection which allows us to
   // save/restore the registers without worrying about which of them contain
   // pointers.
 
   // The following caller-saved registers must be saved and restored when
   // calling through to the runtime:
   //   x0 - The address from which to resume execution.
   //   x1 - isolate
   //   x3 - new target
   //   lr - The return address for the JSFunction itself. It has not yet been
   //        preserved on the stack because the frame setup code was replaced
   //        with a call to this stub, to handle code ageing.
   {
     FrameScope scope(masm, StackFrame::MANUAL);
     __ Push(x0, x1, x3, fp, lr);
     __ Mov(x1, ExternalReference::isolate_address(masm->isolate()));
     __ CallCFunction(
-        ExternalReference::get_mark_code_as_executed_function(
-            masm->isolate()), 2);
+        ExternalReference::get_mark_code_as_executed_function(masm->isolate()),
+        2);
     __ Pop(lr, fp, x3, x1, x0);
 
     // Perform prologue operations usually performed by the young code stub.
     __ EmitFrameSetupForCodeAgePatching(masm);
   }
 
   // Jump to point after the code-age stub.
   __ Add(x0, x0, kNoCodeAgeSequenceLength);
   __ Br(x0);
 }
 
-
 void Builtins::Generate_MarkCodeAsExecutedTwice(MacroAssembler* masm) {
   GenerateMakeCodeYoungAgainCommon(masm);
 }
 
-
 void Builtins::Generate_MarkCodeAsToBeExecutedOnce(MacroAssembler* masm) {
   Generate_MarkCodeAsExecutedOnce(masm);
 }
 
-
 static void Generate_NotifyStubFailureHelper(MacroAssembler* masm,
                                              SaveFPRegsMode save_doubles) {
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
 
     // Preserve registers across notification, this is important for compiled
     // stubs that tail call the runtime on deopts passing their parameters in
     // registers.
     // TODO(jbramley): Is it correct (and appropriate) to use safepoint
     // registers here? According to the comment above, we should only need to
     // preserve the registers with parameters.
     __ PushXRegList(kSafepointSavedRegisters);
     // Pass the function and deoptimization type to the runtime system.
     __ CallRuntime(Runtime::kNotifyStubFailure, save_doubles);
     __ PopXRegList(kSafepointSavedRegisters);
   }
 
   // Ignore state (pushed by Deoptimizer::EntryGenerator::Generate).
   __ Drop(1);
 
   // Jump to the miss handler. Deoptimizer::EntryGenerator::Generate loads this
   // into lr before it jumps here.
   __ Br(lr);
 }
 
-
 void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) {
   Generate_NotifyStubFailureHelper(masm, kDontSaveFPRegs);
 }
 
-
 void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm) {
   Generate_NotifyStubFailureHelper(masm, kSaveFPRegs);
 }
 
-
 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm,
                                              Deoptimizer::BailoutType type) {
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     // Pass the deoptimization type to the runtime system.
     __ Mov(x0, Smi::FromInt(static_cast<int>(type)));
     __ Push(x0);
     __ CallRuntime(Runtime::kNotifyDeoptimized);
   }
 
@@ skipping 17 matching lines @@
   __ CompareAndBranch(state,
                       static_cast<int>(Deoptimizer::BailoutState::TOS_REGISTER),
                       ne, &unknown_state);
   __ Drop(2);  // Remove state and TOS.
   __ Ret();
 
   __ Bind(&unknown_state);
   __ Abort(kInvalidFullCodegenState);
 }
 
-
 void Builtins::Generate_NotifyDeoptimized(MacroAssembler* masm) {
   Generate_NotifyDeoptimizedHelper(masm, Deoptimizer::EAGER);
 }
 
-
 void Builtins::Generate_NotifyLazyDeoptimized(MacroAssembler* masm) {
   Generate_NotifyDeoptimizedHelper(masm, Deoptimizer::LAZY);
 }
 
-
 void Builtins::Generate_NotifySoftDeoptimized(MacroAssembler* masm) {
   Generate_NotifyDeoptimizedHelper(masm, Deoptimizer::SOFT);
 }
 
-
 static void CompatibleReceiverCheck(MacroAssembler* masm, Register receiver,
                                     Register function_template_info,
                                     Register scratch0, Register scratch1,
                                     Register scratch2,
                                     Label* receiver_check_failed) {
   Register signature = scratch0;
   Register map = scratch1;
   Register constructor = scratch2;
 
   // If there is no signature, return the holder.
@@ skipping 43 matching lines @@
   __ Tst(x16, Operand(Map::HasHiddenPrototype::kMask));
   __ B(eq, receiver_check_failed);
   __ Ldr(receiver, FieldMemOperand(map, Map::kPrototypeOffset));
   __ Ldr(map, FieldMemOperand(receiver, HeapObject::kMapOffset));
   // Iterate.
   __ B(&prototype_loop_start);
 
   __ Bind(&receiver_check_passed);
 }
 
-
 void Builtins::Generate_HandleFastApiCall(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0                 : number of arguments excluding receiver
   //  -- x1                 : callee
   //  -- lr                 : return address
   //  -- sp[0]              : last argument
   //  -- ...
   //  -- sp[8 * (argc - 1)] : first argument
   //  -- sp[8 * argc]       : receiver
   // -----------------------------------
@@ skipping 15 matching lines @@
   __ Jump(x4);
 
   // Compatible receiver check failed: throw an Illegal Invocation exception.
   __ Bind(&receiver_check_failed);
   // Drop the arguments (including the receiver)
   __ add(x0, x0, Operand(1));
   __ Drop(x0);
   __ TailCallRuntime(Runtime::kThrowIllegalInvocation);
 }
 
-
 void Builtins::Generate_OnStackReplacement(MacroAssembler* masm) {
   // Lookup the function in the JavaScript frame.
   __ Ldr(x0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset));
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     // Pass function as argument.
     __ Push(x0);
     __ CallRuntime(Runtime::kCompileForOnStackReplacement);
   }
 
   // If the code object is null, just return to the unoptimized code.
   Label skip;
   __ CompareAndBranch(x0, Smi::FromInt(0), ne, &skip);
   __ Ret();
 
   __ Bind(&skip);
 
   // Load deoptimization data from the code object.
   // <deopt_data> = <code>[#deoptimization_data_offset]
   __ Ldr(x1, MemOperand(x0, Code::kDeoptimizationDataOffset - kHeapObjectTag));
 
   // Load the OSR entrypoint offset from the deoptimization data.
   // <osr_offset> = <deopt_data>[#header_size + #osr_pc_offset]
-  __ Ldrsw(w1, UntagSmiFieldMemOperand(x1, FixedArray::OffsetOfElementAt(
-      DeoptimizationInputData::kOsrPcOffsetIndex)));
+  __ Ldrsw(w1, UntagSmiFieldMemOperand(
+                   x1, FixedArray::OffsetOfElementAt(
+                           DeoptimizationInputData::kOsrPcOffsetIndex)));
 
   // Compute the target address = code_obj + header_size + osr_offset
   // <entry_addr> = <code_obj> + #header_size + <osr_offset>
   __ Add(x0, x0, x1);
   __ Add(lr, x0, Code::kHeaderSize - kHeapObjectTag);
 
   // And "return" to the OSR entry point of the function.
   __ Ret();
 }
 
-
 // static
 void Builtins::Generate_DatePrototype_GetField(MacroAssembler* masm,
                                                int field_index) {
   // ----------- S t a t e -------------
   //  -- x0      : number of arguments
   //  -- x1      : function
   //  -- cp      : context
   //  -- lr      : return address
   //  -- jssp[0] : receiver
   // -----------------------------------
@@ skipping 121 matching lines @@
   }
 
   // 4c. The receiver is not callable, throw an appropriate TypeError.
   __ Bind(&receiver_not_callable);
   {
     __ Poke(receiver, 0);
     __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
   }
 }
 
-
 // static
 void Builtins::Generate_FunctionPrototypeCall(MacroAssembler* masm) {
   Register argc = x0;
   Register function = x1;
   Register scratch1 = x10;
   Register scratch2 = x11;
 
   ASM_LOCATION("Builtins::Generate_FunctionPrototypeCall");
 
   // 1. Make sure we have at least one argument.
@@ skipping 26 matching lines @@
     // Adjust the actual number of arguments and remove the top element
     // (which is a copy of the last argument).
     __ Sub(argc, argc, 1);
     __ Drop(1);
   }
 
   // 4. Call the callable.
   __ Jump(masm->isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
 }
 
-
 void Builtins::Generate_ReflectApply(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0       : argc
   //  -- jssp[0]  : argumentsList (if argc == 3)
   //  -- jssp[8]  : thisArgument  (if argc >= 2)
   //  -- jssp[16] : target        (if argc >= 1)
   //  -- jssp[24] : receiver
   // -----------------------------------
   ASM_LOCATION("Builtins::Generate_ReflectApply");
 
@@ skipping 50 matching lines @@
   __ Jump(masm->isolate()->builtins()->Apply(), RelocInfo::CODE_TARGET);
 
   // 3b. The target is not callable, throw an appropriate TypeError.
   __ Bind(&target_not_callable);
   {
     __ Poke(target, 0);
     __ TailCallRuntime(Runtime::kThrowApplyNonFunction);
   }
 }
 
-
 void Builtins::Generate_ReflectConstruct(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0       : argc
   //  -- jssp[0]  : new.target (optional)
   //  -- jssp[8]  : argumentsList
   //  -- jssp[16] : target
   //  -- jssp[24] : receiver
   // -----------------------------------
   ASM_LOCATION("Builtins::Generate_ReflectConstruct");
 
@@ skipping 66 matching lines @@
   }
 
   // 4c. The new.target is not a constructor, throw an appropriate TypeError.
   __ Bind(&new_target_not_constructor);
   {
     __ Poke(new_target, 0);
     __ TailCallRuntime(Runtime::kThrowCalledNonCallable);
   }
 }
 
-
 static void ArgumentAdaptorStackCheck(MacroAssembler* masm,
                                       Label* stack_overflow) {
   // ----------- S t a t e -------------
   //  -- x0 : actual number of arguments
   //  -- x1 : function (passed through to callee)
   //  -- x2 : expected number of arguments
   //  -- x3 : new target (passed through to callee)
   // -----------------------------------
   // Check the stack for overflow.
   // We are not trying to catch interruptions (e.g. debug break and
   // preemption) here, so the "real stack limit" is checked.
   Label enough_stack_space;
   __ LoadRoot(x10, Heap::kRealStackLimitRootIndex);
   // Make x10 the space we have left. The stack might already be overflowed
   // here which will cause x10 to become negative.
   __ Sub(x10, jssp, x10);
   // Check if the arguments will overflow the stack.
   __ Cmp(x10, Operand(x2, LSL, kPointerSizeLog2));
   __ B(le, stack_overflow);
 }
 
-
 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
   __ SmiTag(x10, x0);
   __ Mov(x11, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR));
   __ Push(lr, fp);
   __ Push(x11, x1, x10);
   __ Add(fp, jssp,
          StandardFrameConstants::kFixedFrameSizeFromFp + kPointerSize);
 }
 
-
 static void LeaveArgumentsAdaptorFrame(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0 : result being passed through
   // -----------------------------------
   // Get the number of arguments passed (as a smi), tear down the frame and
   // then drop the parameters and the receiver.
   __ Ldr(x10, MemOperand(fp, -(StandardFrameConstants::kFixedFrameSizeFromFp +
                                kPointerSize)));
   __ Mov(jssp, fp);
   __ Pop(fp, lr);
   __ DropBySMI(x10, kXRegSize);
   __ Drop(1);
 }
 
-
 // static
 void Builtins::Generate_Apply(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0      : argumentsList
   //  -- x1      : target
   //  -- x3      : new.target (checked to be constructor or undefined)
   //  -- jssp[0] : thisArgument
   // -----------------------------------
 
   Register arguments_list = x0;
@@ skipping 320 matching lines @@
 
   // The function is a "classConstructor", need to raise an exception.
   __ bind(&class_constructor);
   {
     FrameScope frame(masm, StackFrame::INTERNAL);
     __ Push(x1);
     __ CallRuntime(Runtime::kThrowConstructorNonCallableError);
   }
 }
 
-
 namespace {
 
 void Generate_PushBoundArguments(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0 : the number of arguments (not including the receiver)
   //  -- x1 : target (checked to be a JSBoundFunction)
   //  -- x3 : new.target (only in case of [[Construct]])
   // -----------------------------------
 
   // Load [[BoundArguments]] into x2 and length of that into x4.
@@ skipping 57 matching lines @@
       __ Add(x0, x0, 1);
       __ Cmp(x4, 0);
       __ B(gt, &loop);
     }
   }
   __ Bind(&no_bound_arguments);
 }
 
 }  // namespace
 
-
 // static
 void Builtins::Generate_CallBoundFunctionImpl(MacroAssembler* masm,
                                               TailCallMode tail_call_mode) {
   // ----------- S t a t e -------------
   //  -- x0 : the number of arguments (not including the receiver)
   //  -- x1 : the function to call (checked to be a JSBoundFunction)
   // -----------------------------------
   __ AssertBoundFunction(x1);
 
   if (tail_call_mode == TailCallMode::kAllow) {
     PrepareForTailCall(masm, x0, x3, x4, x5);
   }
 
   // Patch the receiver to [[BoundThis]].
   __ Ldr(x10, FieldMemOperand(x1, JSBoundFunction::kBoundThisOffset));
   __ Poke(x10, Operand(x0, LSL, kPointerSizeLog2));
 
   // Push the [[BoundArguments]] onto the stack.
   Generate_PushBoundArguments(masm);
 
   // Call the [[BoundTargetFunction]] via the Call builtin.
   __ Ldr(x1, FieldMemOperand(x1, JSBoundFunction::kBoundTargetFunctionOffset));
   __ Mov(x10,
          ExternalReference(Builtins::kCall_ReceiverIsAny, masm->isolate()));
   __ Ldr(x11, MemOperand(x10));
   __ Add(x12, x11, Code::kHeaderSize - kHeapObjectTag);
   __ Br(x12);
 }
 
-
 // static
 void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode,
                              TailCallMode tail_call_mode) {
   // ----------- S t a t e -------------
   //  -- x0 : the number of arguments (not including the receiver)
   //  -- x1 : the target to call (can be any Object).
   // -----------------------------------
 
   Label non_callable, non_function, non_smi;
   __ JumpIfSmi(x1, &non_callable);
@@ skipping 39 matching lines @@
 
   // 3. Call to something that is not callable.
   __ bind(&non_callable);
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     __ Push(x1);
     __ CallRuntime(Runtime::kThrowCalledNonCallable);
   }
 }
 
-
 // static
 void Builtins::Generate_ConstructFunction(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0 : the number of arguments (not including the receiver)
   //  -- x1 : the constructor to call (checked to be a JSFunction)
   //  -- x3 : the new target (checked to be a constructor)
   // -----------------------------------
   __ AssertFunction(x1);
 
   // Calling convention for function specific ConstructStubs require
   // x2 to contain either an AllocationSite or undefined.
   __ LoadRoot(x2, Heap::kUndefinedValueRootIndex);
 
   // Tail call to the function-specific construct stub (still in the caller
   // context at this point).
   __ Ldr(x4, FieldMemOperand(x1, JSFunction::kSharedFunctionInfoOffset));
   __ Ldr(x4, FieldMemOperand(x4, SharedFunctionInfo::kConstructStubOffset));
   __ Add(x4, x4, Code::kHeaderSize - kHeapObjectTag);
   __ Br(x4);
 }
 
-
 // static
 void Builtins::Generate_ConstructBoundFunction(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0 : the number of arguments (not including the receiver)
   //  -- x1 : the function to call (checked to be a JSBoundFunction)
   //  -- x3 : the new target (checked to be a constructor)
   // -----------------------------------
   __ AssertBoundFunction(x1);
 
   // Push the [[BoundArguments]] onto the stack.
@@ skipping 10 matching lines @@
   }
 
   // Construct the [[BoundTargetFunction]] via the Construct builtin.
   __ Ldr(x1, FieldMemOperand(x1, JSBoundFunction::kBoundTargetFunctionOffset));
   __ Mov(x10, ExternalReference(Builtins::kConstruct, masm->isolate()));
   __ Ldr(x11, MemOperand(x10));
   __ Add(x12, x11, Code::kHeaderSize - kHeapObjectTag);
   __ Br(x12);
 }
 
-
 // static
 void Builtins::Generate_ConstructProxy(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0 : the number of arguments (not including the receiver)
   //  -- x1 : the constructor to call (checked to be a JSProxy)
   //  -- x3 : the new target (either the same as the constructor or
   //          the JSFunction on which new was invoked initially)
   // -----------------------------------
 
   // Call into the Runtime for Proxy [[Construct]].
   __ Push(x1);
   __ Push(x3);
   // Include the pushed new_target, constructor and the receiver.
   __ Add(x0, x0, 3);
   // Tail-call to the runtime.
   __ JumpToExternalReference(
       ExternalReference(Runtime::kJSProxyConstruct, masm->isolate()));
 }
 
-
 // static
 void Builtins::Generate_Construct(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0 : the number of arguments (not including the receiver)
   //  -- x1 : the constructor to call (can be any Object)
   //  -- x3 : the new target (either the same as the constructor or
   //          the JSFunction on which new was invoked initially)
   // -----------------------------------
 
   // Check if target is a Smi.
@@ skipping 142 matching lines @@
 
 void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
   ASM_LOCATION("Builtins::Generate_ArgumentsAdaptorTrampoline");
   // ----------- S t a t e -------------
   //  -- x0 : actual number of arguments
   //  -- x1 : function (passed through to callee)
   //  -- x2 : expected number of arguments
   //  -- x3 : new target (passed through to callee)
   // -----------------------------------
 
-  Register argc_actual = x0;  // Excluding the receiver.
+  Register argc_actual = x0;    // Excluding the receiver.
   Register argc_expected = x2;  // Excluding the receiver.
   Register function = x1;
   Register code_entry = x10;
 
   Label invoke, dont_adapt_arguments, stack_overflow;
 
   Label enough, too_few;
   __ Cmp(argc_actual, argc_expected);
   __ B(lt, &too_few);
   __ Cmp(argc_expected, SharedFunctionInfo::kDontAdaptArgumentsSentinel);
@@ skipping 20 matching lines @@
     // Claim space for the arguments, the receiver, and one extra slot.
     // The extra slot ensures we do not write under jssp. It will be popped
     // later.
     __ Add(scratch1, scratch2, 2 * kPointerSize);
     __ Claim(scratch1, 1);
 
     // Copy the arguments (including the receiver) to the new stack frame.
     Label copy_2_by_2;
     __ Bind(&copy_2_by_2);
     __ Ldp(scratch1, scratch2,
-           MemOperand(copy_start, - 2 * kPointerSize, PreIndex));
+           MemOperand(copy_start, -2 * kPointerSize, PreIndex));
     __ Stp(scratch1, scratch2,
-           MemOperand(copy_to, - 2 * kPointerSize, PreIndex));
+           MemOperand(copy_to, -2 * kPointerSize, PreIndex));
     __ Cmp(copy_start, copy_end);
     __ B(hi, &copy_2_by_2);
 
     // Correct the space allocated for the extra slot.
     __ Drop(1);
 
     __ B(&invoke);
   }
 
   {  // Too few parameters: Actual < expected
     __ Bind(&too_few);
 
     Register copy_from = x10;
     Register copy_end = x11;
     Register copy_to = x12;
     Register scratch1 = x13, scratch2 = x14;
 
     EnterArgumentsAdaptorFrame(masm);
     ArgumentAdaptorStackCheck(masm, &stack_overflow);
 
     __ Lsl(scratch2, argc_expected, kPointerSizeLog2);
     __ Lsl(argc_actual, argc_actual, kPointerSizeLog2);
 
     // Adjust for fp, lr, and the receiver.
     __ Add(copy_from, fp, 3 * kPointerSize);
     __ Add(copy_from, copy_from, argc_actual);
     __ Mov(copy_to, jssp);
-    __ Sub(copy_end, copy_to, 1 * kPointerSize);   // Adjust for the receiver.
+    __ Sub(copy_end, copy_to, 1 * kPointerSize);  // Adjust for the receiver.
     __ Sub(copy_end, copy_end, argc_actual);
 
     // Claim space for the arguments, the receiver, and one extra slot.
     // The extra slot ensures we do not write under jssp. It will be popped
     // later.
     __ Add(scratch1, scratch2, 2 * kPointerSize);
     __ Claim(scratch1, 1);
 
     // Copy the arguments (including the receiver) to the new stack frame.
     Label copy_2_by_2;
     __ Bind(&copy_2_by_2);
     __ Ldp(scratch1, scratch2,
-           MemOperand(copy_from, - 2 * kPointerSize, PreIndex));
+           MemOperand(copy_from, -2 * kPointerSize, PreIndex));
     __ Stp(scratch1, scratch2,
-           MemOperand(copy_to, - 2 * kPointerSize, PreIndex));
+           MemOperand(copy_to, -2 * kPointerSize, PreIndex));
     __ Cmp(copy_to, copy_end);
     __ B(hi, &copy_2_by_2);
 
     __ Mov(copy_to, copy_end);
 
     // Fill the remaining expected arguments with undefined.
     __ LoadRoot(scratch1, Heap::kUndefinedValueRootIndex);
     __ Add(copy_end, jssp, kPointerSize);
 
     Label fill;
     __ Bind(&fill);
     __ Stp(scratch1, scratch1,
-           MemOperand(copy_to, - 2 * kPointerSize, PreIndex));
+           MemOperand(copy_to, -2 * kPointerSize, PreIndex));
     __ Cmp(copy_to, copy_end);
     __ B(hi, &fill);
 
     // Correct the space allocated for the extra slot.
     __ Drop(1);
   }
 
   // Arguments have been adapted. Now call the entry point.
   __ Bind(&invoke);
   __ Mov(argc_actual, argc_expected);
@@ skipping 16 matching lines @@
   __ Jump(code_entry);
 
   __ Bind(&stack_overflow);
   {
     FrameScope frame(masm, StackFrame::MANUAL);
     __ CallRuntime(Runtime::kThrowStackOverflow);
     __ Unreachable();
   }
 }
 
-
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM