| Index: src/arm/code-stubs-arm.cc
|
| diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
|
| index 2b3891e5f613abdfe28dea8432853573988a5edb..bbdd0a7dd130acd526a0d1e96b25bc1afe4df6f6 100644
|
| --- a/src/arm/code-stubs-arm.cc
|
| +++ b/src/arm/code-stubs-arm.cc
|
| @@ -3104,495 +3104,6 @@ void InternalArrayConstructorStub::Generate(MacroAssembler* masm) {
|
| GenerateCase(masm, FAST_ELEMENTS);
|
| }
|
|
|
| -
|
| -void FastNewRestParameterStub::Generate(MacroAssembler* masm) {
|
| - // ----------- S t a t e -------------
|
| - // -- r1 : function
|
| - // -- cp : context
|
| - // -- fp : frame pointer
|
| - // -- lr : return address
|
| - // -----------------------------------
|
| - __ AssertFunction(r1);
|
| -
|
| - // Make r2 point to the JavaScript frame.
|
| - __ mov(r2, fp);
|
| - if (skip_stub_frame()) {
|
| - // For Ignition we need to skip the handler/stub frame to reach the
|
| - // JavaScript frame for the function.
|
| - __ ldr(r2, MemOperand(r2, StandardFrameConstants::kCallerFPOffset));
|
| - }
|
| - if (FLAG_debug_code) {
|
| - Label ok;
|
| - __ ldr(ip, MemOperand(r2, StandardFrameConstants::kFunctionOffset));
|
| - __ cmp(ip, r1);
|
| - __ b(eq, &ok);
|
| - __ Abort(kInvalidFrameForFastNewRestArgumentsStub);
|
| - __ bind(&ok);
|
| - }
|
| -
|
| - // Check if we have rest parameters (only possible if we have an
|
| - // arguments adaptor frame below the function frame).
|
| - Label no_rest_parameters;
|
| - __ ldr(r2, MemOperand(r2, StandardFrameConstants::kCallerFPOffset));
|
| - __ ldr(ip, MemOperand(r2, CommonFrameConstants::kContextOrFrameTypeOffset));
|
| - __ cmp(ip, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
|
| - __ b(ne, &no_rest_parameters);
|
| -
|
| - // Check if the arguments adaptor frame contains more arguments than
|
| - // specified by the function's internal formal parameter count.
|
| - Label rest_parameters;
|
| - __ ldr(r0, MemOperand(r2, ArgumentsAdaptorFrameConstants::kLengthOffset));
|
| - __ ldr(r3, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
|
| - __ ldr(r3,
|
| - FieldMemOperand(r3, SharedFunctionInfo::kFormalParameterCountOffset));
|
| - __ sub(r0, r0, r3, SetCC);
|
| - __ b(gt, &rest_parameters);
|
| -
|
| - // Return an empty rest parameter array.
|
| - __ bind(&no_rest_parameters);
|
| - {
|
| - // ----------- S t a t e -------------
|
| - // -- cp : context
|
| - // -- lr : return address
|
| - // -----------------------------------
|
| -
|
| - // Allocate an empty rest parameter array.
|
| - Label allocate, done_allocate;
|
| - __ Allocate(JSArray::kSize, r0, r1, r2, &allocate, NO_ALLOCATION_FLAGS);
|
| - __ bind(&done_allocate);
|
| -
|
| - // Setup the rest parameter array in r0.
|
| - __ LoadNativeContextSlot(Context::JS_ARRAY_FAST_ELEMENTS_MAP_INDEX, r1);
|
| - __ str(r1, FieldMemOperand(r0, JSArray::kMapOffset));
|
| - __ LoadRoot(r1, Heap::kEmptyFixedArrayRootIndex);
|
| - __ str(r1, FieldMemOperand(r0, JSArray::kPropertiesOffset));
|
| - __ str(r1, FieldMemOperand(r0, JSArray::kElementsOffset));
|
| - __ mov(r1, Operand(0));
|
| - __ str(r1, FieldMemOperand(r0, JSArray::kLengthOffset));
|
| - STATIC_ASSERT(JSArray::kSize == 4 * kPointerSize);
|
| - __ Ret();
|
| -
|
| - // Fall back to %AllocateInNewSpace.
|
| - __ bind(&allocate);
|
| - {
|
| - FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
|
| - __ Push(Smi::FromInt(JSArray::kSize));
|
| - __ CallRuntime(Runtime::kAllocateInNewSpace);
|
| - }
|
| - __ jmp(&done_allocate);
|
| - }
|
| -
|
| - __ bind(&rest_parameters);
|
| - {
|
| - // Compute the pointer to the first rest parameter (skippping the receiver).
|
| - __ add(r2, r2, Operand(r0, LSL, kPointerSizeLog2 - 1));
|
| - __ add(r2, r2,
|
| - Operand(StandardFrameConstants::kCallerSPOffset - 1 * kPointerSize));
|
| -
|
| - // ----------- S t a t e -------------
|
| - // -- cp : context
|
| - // -- r0 : number of rest parameters (tagged)
|
| - // -- r1 : function
|
| - // -- r2 : pointer to first rest parameters
|
| - // -- lr : return address
|
| - // -----------------------------------
|
| -
|
| - // Allocate space for the rest parameter array plus the backing store.
|
| - Label allocate, done_allocate;
|
| - __ mov(r6, Operand(JSArray::kSize + FixedArray::kHeaderSize));
|
| - __ add(r6, r6, Operand(r0, LSL, kPointerSizeLog2 - 1));
|
| - __ Allocate(r6, r3, r4, r5, &allocate, NO_ALLOCATION_FLAGS);
|
| - __ bind(&done_allocate);
|
| -
|
| - // Setup the elements array in r3.
|
| - __ LoadRoot(r1, Heap::kFixedArrayMapRootIndex);
|
| - __ str(r1, FieldMemOperand(r3, FixedArray::kMapOffset));
|
| - __ str(r0, FieldMemOperand(r3, FixedArray::kLengthOffset));
|
| - __ add(r4, r3, Operand(FixedArray::kHeaderSize));
|
| - {
|
| - Label loop, done_loop;
|
| - __ add(r1, r4, Operand(r0, LSL, kPointerSizeLog2 - 1));
|
| - __ bind(&loop);
|
| - __ cmp(r4, r1);
|
| - __ b(eq, &done_loop);
|
| - __ ldr(ip, MemOperand(r2, 1 * kPointerSize, NegPostIndex));
|
| - __ str(ip, FieldMemOperand(r4, 0 * kPointerSize));
|
| - __ add(r4, r4, Operand(1 * kPointerSize));
|
| - __ b(&loop);
|
| - __ bind(&done_loop);
|
| - }
|
| -
|
| - // Setup the rest parameter array in r4.
|
| - __ LoadNativeContextSlot(Context::JS_ARRAY_FAST_ELEMENTS_MAP_INDEX, r1);
|
| - __ str(r1, FieldMemOperand(r4, JSArray::kMapOffset));
|
| - __ LoadRoot(r1, Heap::kEmptyFixedArrayRootIndex);
|
| - __ str(r1, FieldMemOperand(r4, JSArray::kPropertiesOffset));
|
| - __ str(r3, FieldMemOperand(r4, JSArray::kElementsOffset));
|
| - __ str(r0, FieldMemOperand(r4, JSArray::kLengthOffset));
|
| - STATIC_ASSERT(JSArray::kSize == 4 * kPointerSize);
|
| - __ mov(r0, r4);
|
| - __ Ret();
|
| -
|
| - // Fall back to %AllocateInNewSpace (if not too big).
|
| - Label too_big_for_new_space;
|
| - __ bind(&allocate);
|
| - __ cmp(r6, Operand(kMaxRegularHeapObjectSize));
|
| - __ b(gt, &too_big_for_new_space);
|
| - {
|
| - FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
|
| - __ SmiTag(r6);
|
| - __ Push(r0, r2, r6);
|
| - __ CallRuntime(Runtime::kAllocateInNewSpace);
|
| - __ mov(r3, r0);
|
| - __ Pop(r0, r2);
|
| - }
|
| - __ jmp(&done_allocate);
|
| -
|
| - // Fall back to %NewRestParameter.
|
| - __ bind(&too_big_for_new_space);
|
| - __ push(r1);
|
| - __ TailCallRuntime(Runtime::kNewRestParameter);
|
| - }
|
| -}
|
| -
|
| -
|
| -void FastNewSloppyArgumentsStub::Generate(MacroAssembler* masm) {
|
| - // ----------- S t a t e -------------
|
| - // -- r1 : function
|
| - // -- cp : context
|
| - // -- fp : frame pointer
|
| - // -- lr : return address
|
| - // -----------------------------------
|
| - __ AssertFunction(r1);
|
| -
|
| - // Make r9 point to the JavaScript frame.
|
| - __ mov(r9, fp);
|
| - if (skip_stub_frame()) {
|
| - // For Ignition we need to skip the handler/stub frame to reach the
|
| - // JavaScript frame for the function.
|
| - __ ldr(r9, MemOperand(r9, StandardFrameConstants::kCallerFPOffset));
|
| - }
|
| - if (FLAG_debug_code) {
|
| - Label ok;
|
| - __ ldr(ip, MemOperand(r9, StandardFrameConstants::kFunctionOffset));
|
| - __ cmp(ip, r1);
|
| - __ b(eq, &ok);
|
| - __ Abort(kInvalidFrameForFastNewRestArgumentsStub);
|
| - __ bind(&ok);
|
| - }
|
| -
|
| - // TODO(bmeurer): Cleanup to match the FastNewStrictArgumentsStub.
|
| - __ ldr(r2, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
|
| - __ ldr(r2,
|
| - FieldMemOperand(r2, SharedFunctionInfo::kFormalParameterCountOffset));
|
| - __ add(r3, r9, Operand(r2, LSL, kPointerSizeLog2 - 1));
|
| - __ add(r3, r3, Operand(StandardFrameConstants::kCallerSPOffset));
|
| -
|
| - // r1 : function
|
| - // r2 : number of parameters (tagged)
|
| - // r3 : parameters pointer
|
| - // r9 : JavaScript frame pointer
|
| - // Registers used over whole function:
|
| - // r5 : arguments count (tagged)
|
| - // r6 : mapped parameter count (tagged)
|
| -
|
| - // Check if the calling frame is an arguments adaptor frame.
|
| - Label adaptor_frame, try_allocate, runtime;
|
| - __ ldr(r4, MemOperand(r9, StandardFrameConstants::kCallerFPOffset));
|
| - __ ldr(r0, MemOperand(r4, CommonFrameConstants::kContextOrFrameTypeOffset));
|
| - __ cmp(r0, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
|
| - __ b(eq, &adaptor_frame);
|
| -
|
| - // No adaptor, parameter count = argument count.
|
| - __ mov(r5, r2);
|
| - __ mov(r6, r2);
|
| - __ b(&try_allocate);
|
| -
|
| - // We have an adaptor frame. Patch the parameters pointer.
|
| - __ bind(&adaptor_frame);
|
| - __ ldr(r5, MemOperand(r4, ArgumentsAdaptorFrameConstants::kLengthOffset));
|
| - __ add(r4, r4, Operand(r5, LSL, 1));
|
| - __ add(r3, r4, Operand(StandardFrameConstants::kCallerSPOffset));
|
| -
|
| - // r5 = argument count (tagged)
|
| - // r6 = parameter count (tagged)
|
| - // Compute the mapped parameter count = min(r6, r5) in r6.
|
| - __ mov(r6, r2);
|
| - __ cmp(r6, Operand(r5));
|
| - __ mov(r6, Operand(r5), LeaveCC, gt);
|
| -
|
| - __ bind(&try_allocate);
|
| -
|
| - // Compute the sizes of backing store, parameter map, and arguments object.
|
| - // 1. Parameter map, has 2 extra words containing context and backing store.
|
| - const int kParameterMapHeaderSize =
|
| - FixedArray::kHeaderSize + 2 * kPointerSize;
|
| - // If there are no mapped parameters, we do not need the parameter_map.
|
| - __ cmp(r6, Operand(Smi::kZero));
|
| - __ mov(r9, Operand::Zero(), LeaveCC, eq);
|
| - __ mov(r9, Operand(r6, LSL, 1), LeaveCC, ne);
|
| - __ add(r9, r9, Operand(kParameterMapHeaderSize), LeaveCC, ne);
|
| -
|
| - // 2. Backing store.
|
| - __ add(r9, r9, Operand(r5, LSL, 1));
|
| - __ add(r9, r9, Operand(FixedArray::kHeaderSize));
|
| -
|
| - // 3. Arguments object.
|
| - __ add(r9, r9, Operand(JSSloppyArgumentsObject::kSize));
|
| -
|
| - // Do the allocation of all three objects in one go.
|
| - __ Allocate(r9, r0, r9, r4, &runtime, NO_ALLOCATION_FLAGS);
|
| -
|
| - // r0 = address of new object(s) (tagged)
|
| - // r2 = argument count (smi-tagged)
|
| - // Get the arguments boilerplate from the current native context into r4.
|
| - const int kNormalOffset =
|
| - Context::SlotOffset(Context::SLOPPY_ARGUMENTS_MAP_INDEX);
|
| - const int kAliasedOffset =
|
| - Context::SlotOffset(Context::FAST_ALIASED_ARGUMENTS_MAP_INDEX);
|
| -
|
| - __ ldr(r4, NativeContextMemOperand());
|
| - __ cmp(r6, Operand::Zero());
|
| - __ ldr(r4, MemOperand(r4, kNormalOffset), eq);
|
| - __ ldr(r4, MemOperand(r4, kAliasedOffset), ne);
|
| -
|
| - // r0 = address of new object (tagged)
|
| - // r2 = argument count (smi-tagged)
|
| - // r4 = address of arguments map (tagged)
|
| - // r6 = mapped parameter count (tagged)
|
| - __ str(r4, FieldMemOperand(r0, JSObject::kMapOffset));
|
| - __ LoadRoot(r9, Heap::kEmptyFixedArrayRootIndex);
|
| - __ str(r9, FieldMemOperand(r0, JSObject::kPropertiesOffset));
|
| - __ str(r9, FieldMemOperand(r0, JSObject::kElementsOffset));
|
| -
|
| - // Set up the callee in-object property.
|
| - __ AssertNotSmi(r1);
|
| - __ str(r1, FieldMemOperand(r0, JSSloppyArgumentsObject::kCalleeOffset));
|
| -
|
| - // Use the length (smi tagged) and set that as an in-object property too.
|
| - __ AssertSmi(r5);
|
| - __ str(r5, FieldMemOperand(r0, JSSloppyArgumentsObject::kLengthOffset));
|
| -
|
| - // Set up the elements pointer in the allocated arguments object.
|
| - // If we allocated a parameter map, r4 will point there, otherwise
|
| - // it will point to the backing store.
|
| - __ add(r4, r0, Operand(JSSloppyArgumentsObject::kSize));
|
| - __ str(r4, FieldMemOperand(r0, JSObject::kElementsOffset));
|
| -
|
| - // r0 = address of new object (tagged)
|
| - // r2 = argument count (tagged)
|
| - // r4 = address of parameter map or backing store (tagged)
|
| - // r6 = mapped parameter count (tagged)
|
| - // Initialize parameter map. If there are no mapped arguments, we're done.
|
| - Label skip_parameter_map;
|
| - __ cmp(r6, Operand(Smi::kZero));
|
| - // Move backing store address to r1, because it is
|
| - // expected there when filling in the unmapped arguments.
|
| - __ mov(r1, r4, LeaveCC, eq);
|
| - __ b(eq, &skip_parameter_map);
|
| -
|
| - __ LoadRoot(r5, Heap::kSloppyArgumentsElementsMapRootIndex);
|
| - __ str(r5, FieldMemOperand(r4, FixedArray::kMapOffset));
|
| - __ add(r5, r6, Operand(Smi::FromInt(2)));
|
| - __ str(r5, FieldMemOperand(r4, FixedArray::kLengthOffset));
|
| - __ str(cp, FieldMemOperand(r4, FixedArray::kHeaderSize + 0 * kPointerSize));
|
| - __ add(r5, r4, Operand(r6, LSL, 1));
|
| - __ add(r5, r5, Operand(kParameterMapHeaderSize));
|
| - __ str(r5, FieldMemOperand(r4, FixedArray::kHeaderSize + 1 * kPointerSize));
|
| -
|
| - // Copy the parameter slots and the holes in the arguments.
|
| - // We need to fill in mapped_parameter_count slots. They index the context,
|
| - // where parameters are stored in reverse order, at
|
| - // MIN_CONTEXT_SLOTS .. MIN_CONTEXT_SLOTS+parameter_count-1
|
| - // The mapped parameter thus need to get indices
|
| - // MIN_CONTEXT_SLOTS+parameter_count-1 ..
|
| - // MIN_CONTEXT_SLOTS+parameter_count-mapped_parameter_count
|
| - // We loop from right to left.
|
| - Label parameters_loop, parameters_test;
|
| - __ mov(r5, r6);
|
| - __ add(r9, r2, Operand(Smi::FromInt(Context::MIN_CONTEXT_SLOTS)));
|
| - __ sub(r9, r9, Operand(r6));
|
| - __ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
|
| - __ add(r1, r4, Operand(r5, LSL, 1));
|
| - __ add(r1, r1, Operand(kParameterMapHeaderSize));
|
| -
|
| - // r1 = address of backing store (tagged)
|
| - // r4 = address of parameter map (tagged), which is also the address of new
|
| - // object + Heap::kSloppyArgumentsObjectSize (tagged)
|
| - // r0 = temporary scratch (a.o., for address calculation)
|
| - // r5 = loop variable (tagged)
|
| - // ip = the hole value
|
| - __ jmp(¶meters_test);
|
| -
|
| - __ bind(¶meters_loop);
|
| - __ sub(r5, r5, Operand(Smi::FromInt(1)));
|
| - __ mov(r0, Operand(r5, LSL, 1));
|
| - __ add(r0, r0, Operand(kParameterMapHeaderSize - kHeapObjectTag));
|
| - __ str(r9, MemOperand(r4, r0));
|
| - __ sub(r0, r0, Operand(kParameterMapHeaderSize - FixedArray::kHeaderSize));
|
| - __ str(ip, MemOperand(r1, r0));
|
| - __ add(r9, r9, Operand(Smi::FromInt(1)));
|
| - __ bind(¶meters_test);
|
| - __ cmp(r5, Operand(Smi::kZero));
|
| - __ b(ne, ¶meters_loop);
|
| -
|
| - // Restore r0 = new object (tagged) and r5 = argument count (tagged).
|
| - __ sub(r0, r4, Operand(JSSloppyArgumentsObject::kSize));
|
| - __ ldr(r5, FieldMemOperand(r0, JSSloppyArgumentsObject::kLengthOffset));
|
| -
|
| - __ bind(&skip_parameter_map);
|
| - // r0 = address of new object (tagged)
|
| - // r1 = address of backing store (tagged)
|
| - // r5 = argument count (tagged)
|
| - // r6 = mapped parameter count (tagged)
|
| - // r9 = scratch
|
| - // Copy arguments header and remaining slots (if there are any).
|
| - __ LoadRoot(r9, Heap::kFixedArrayMapRootIndex);
|
| - __ str(r9, FieldMemOperand(r1, FixedArray::kMapOffset));
|
| - __ str(r5, FieldMemOperand(r1, FixedArray::kLengthOffset));
|
| -
|
| - Label arguments_loop, arguments_test;
|
| - __ sub(r3, r3, Operand(r6, LSL, 1));
|
| - __ jmp(&arguments_test);
|
| -
|
| - __ bind(&arguments_loop);
|
| - __ sub(r3, r3, Operand(kPointerSize));
|
| - __ ldr(r4, MemOperand(r3, 0));
|
| - __ add(r9, r1, Operand(r6, LSL, 1));
|
| - __ str(r4, FieldMemOperand(r9, FixedArray::kHeaderSize));
|
| - __ add(r6, r6, Operand(Smi::FromInt(1)));
|
| -
|
| - __ bind(&arguments_test);
|
| - __ cmp(r6, Operand(r5));
|
| - __ b(lt, &arguments_loop);
|
| -
|
| - // Return.
|
| - __ Ret();
|
| -
|
| - // Do the runtime call to allocate the arguments object.
|
| - // r0 = address of new object (tagged)
|
| - // r5 = argument count (tagged)
|
| - __ bind(&runtime);
|
| - __ Push(r1, r3, r5);
|
| - __ TailCallRuntime(Runtime::kNewSloppyArguments);
|
| -}
|
| -
|
| -
|
| -void FastNewStrictArgumentsStub::Generate(MacroAssembler* masm) {
|
| - // ----------- S t a t e -------------
|
| - // -- r1 : function
|
| - // -- cp : context
|
| - // -- fp : frame pointer
|
| - // -- lr : return address
|
| - // -----------------------------------
|
| - __ AssertFunction(r1);
|
| -
|
| - // Make r2 point to the JavaScript frame.
|
| - __ mov(r2, fp);
|
| - if (skip_stub_frame()) {
|
| - // For Ignition we need to skip the handler/stub frame to reach the
|
| - // JavaScript frame for the function.
|
| - __ ldr(r2, MemOperand(r2, StandardFrameConstants::kCallerFPOffset));
|
| - }
|
| - if (FLAG_debug_code) {
|
| - Label ok;
|
| - __ ldr(ip, MemOperand(r2, StandardFrameConstants::kFunctionOffset));
|
| - __ cmp(ip, r1);
|
| - __ b(eq, &ok);
|
| - __ Abort(kInvalidFrameForFastNewRestArgumentsStub);
|
| - __ bind(&ok);
|
| - }
|
| -
|
| - // Check if we have an arguments adaptor frame below the function frame.
|
| - Label arguments_adaptor, arguments_done;
|
| - __ ldr(r3, MemOperand(r2, StandardFrameConstants::kCallerFPOffset));
|
| - __ ldr(ip, MemOperand(r3, CommonFrameConstants::kContextOrFrameTypeOffset));
|
| - __ cmp(ip, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
|
| - __ b(eq, &arguments_adaptor);
|
| - {
|
| - __ ldr(r4, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
|
| - __ ldr(r0, FieldMemOperand(
|
| - r4, SharedFunctionInfo::kFormalParameterCountOffset));
|
| - __ add(r2, r2, Operand(r0, LSL, kPointerSizeLog2 - 1));
|
| - __ add(r2, r2,
|
| - Operand(StandardFrameConstants::kCallerSPOffset - 1 * kPointerSize));
|
| - }
|
| - __ b(&arguments_done);
|
| - __ bind(&arguments_adaptor);
|
| - {
|
| - __ ldr(r0, MemOperand(r3, ArgumentsAdaptorFrameConstants::kLengthOffset));
|
| - __ add(r2, r3, Operand(r0, LSL, kPointerSizeLog2 - 1));
|
| - __ add(r2, r2,
|
| - Operand(StandardFrameConstants::kCallerSPOffset - 1 * kPointerSize));
|
| - }
|
| - __ bind(&arguments_done);
|
| -
|
| - // ----------- S t a t e -------------
|
| - // -- cp : context
|
| - // -- r0 : number of rest parameters (tagged)
|
| - // -- r1 : function
|
| - // -- r2 : pointer to first rest parameters
|
| - // -- lr : return address
|
| - // -----------------------------------
|
| -
|
| - // Allocate space for the strict arguments object plus the backing store.
|
| - Label allocate, done_allocate;
|
| - __ mov(r6, Operand(JSStrictArgumentsObject::kSize + FixedArray::kHeaderSize));
|
| - __ add(r6, r6, Operand(r0, LSL, kPointerSizeLog2 - 1));
|
| - __ Allocate(r6, r3, r4, r5, &allocate, NO_ALLOCATION_FLAGS);
|
| - __ bind(&done_allocate);
|
| -
|
| - // Setup the elements array in r3.
|
| - __ LoadRoot(r1, Heap::kFixedArrayMapRootIndex);
|
| - __ str(r1, FieldMemOperand(r3, FixedArray::kMapOffset));
|
| - __ str(r0, FieldMemOperand(r3, FixedArray::kLengthOffset));
|
| - __ add(r4, r3, Operand(FixedArray::kHeaderSize));
|
| - {
|
| - Label loop, done_loop;
|
| - __ add(r1, r4, Operand(r0, LSL, kPointerSizeLog2 - 1));
|
| - __ bind(&loop);
|
| - __ cmp(r4, r1);
|
| - __ b(eq, &done_loop);
|
| - __ ldr(ip, MemOperand(r2, 1 * kPointerSize, NegPostIndex));
|
| - __ str(ip, FieldMemOperand(r4, 0 * kPointerSize));
|
| - __ add(r4, r4, Operand(1 * kPointerSize));
|
| - __ b(&loop);
|
| - __ bind(&done_loop);
|
| - }
|
| -
|
| - // Setup the strict arguments object in r4.
|
| - __ LoadNativeContextSlot(Context::STRICT_ARGUMENTS_MAP_INDEX, r1);
|
| - __ str(r1, FieldMemOperand(r4, JSStrictArgumentsObject::kMapOffset));
|
| - __ LoadRoot(r1, Heap::kEmptyFixedArrayRootIndex);
|
| - __ str(r1, FieldMemOperand(r4, JSStrictArgumentsObject::kPropertiesOffset));
|
| - __ str(r3, FieldMemOperand(r4, JSStrictArgumentsObject::kElementsOffset));
|
| - __ str(r0, FieldMemOperand(r4, JSStrictArgumentsObject::kLengthOffset));
|
| - STATIC_ASSERT(JSStrictArgumentsObject::kSize == 4 * kPointerSize);
|
| - __ mov(r0, r4);
|
| - __ Ret();
|
| -
|
| - // Fall back to %AllocateInNewSpace (if not too big).
|
| - Label too_big_for_new_space;
|
| - __ bind(&allocate);
|
| - __ cmp(r6, Operand(kMaxRegularHeapObjectSize));
|
| - __ b(gt, &too_big_for_new_space);
|
| - {
|
| - FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
|
| - __ SmiTag(r6);
|
| - __ Push(r0, r2, r6);
|
| - __ CallRuntime(Runtime::kAllocateInNewSpace);
|
| - __ mov(r3, r0);
|
| - __ Pop(r0, r2);
|
| - }
|
| - __ b(&done_allocate);
|
| -
|
| - // Fall back to %NewStrictArguments.
|
| - __ bind(&too_big_for_new_space);
|
| - __ push(r1);
|
| - __ TailCallRuntime(Runtime::kNewStrictArguments);
|
| -}
|
| -
|
| -
|
| static int AddressOffset(ExternalReference ref0, ExternalReference ref1) {
|
| return ref0.address() - ref1.address();
|
| }
|
|
|