PPC/s390: [builtins] Port parameter and argument-related code stubs to CSA

src/ppc/code-stubs-ppc.cc

 // Copyright 2014 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_PPC
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 3246 matching lines @@
 
   Label fast_elements_case;
   __ cmpi(r6, Operand(FAST_ELEMENTS));
   __ beq(&fast_elements_case);
   GenerateCase(masm, FAST_HOLEY_ELEMENTS);
 
   __ bind(&fast_elements_case);
   GenerateCase(masm, FAST_ELEMENTS);
 }
 
-void FastNewRestParameterStub::Generate(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r4 : function
-  //  -- cp : context
-  //  -- fp : frame pointer
-  //  -- lr : return address
-  // -----------------------------------
-  __ AssertFunction(r4);
-
-  // Make r5 point to the JavaScript frame.
-  __ mr(r5, fp);
-  if (skip_stub_frame()) {
-    // For Ignition we need to skip the handler/stub frame to reach the
-    // JavaScript frame for the function.
-    __ LoadP(r5, MemOperand(r5, StandardFrameConstants::kCallerFPOffset));
-  }
-  if (FLAG_debug_code) {
-    Label ok;
-    __ LoadP(ip, MemOperand(r5, StandardFrameConstants::kFunctionOffset));
-    __ cmp(ip, r4);
-    __ beq(&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;
-  __ LoadP(r5, MemOperand(r5, StandardFrameConstants::kCallerFPOffset));
-  __ LoadP(ip, MemOperand(r5, CommonFrameConstants::kContextOrFrameTypeOffset));
-  __ CmpSmiLiteral(ip, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR), r0);
-  __ bne(&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;
-  __ LoadP(r3, MemOperand(r5, ArgumentsAdaptorFrameConstants::kLengthOffset));
-  __ LoadP(r6, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset));
-  __ LoadWordArith(
-      r6, FieldMemOperand(r6, SharedFunctionInfo::kFormalParameterCountOffset));
-#if V8_TARGET_ARCH_PPC64
-  __ SmiTag(r6);
-#endif
-  __ sub(r3, r3, r6, LeaveOE, SetRC);
-  __ bgt(&rest_parameters, cr0);
-
-  // 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, r3, r4, r5, &allocate, NO_ALLOCATION_FLAGS);
-    __ bind(&done_allocate);
-
-    // Setup the rest parameter array in r0.
-    __ LoadNativeContextSlot(Context::JS_ARRAY_FAST_ELEMENTS_MAP_INDEX, r4);
-    __ StoreP(r4, FieldMemOperand(r3, JSArray::kMapOffset), r0);
-    __ LoadRoot(r4, Heap::kEmptyFixedArrayRootIndex);
-    __ StoreP(r4, FieldMemOperand(r3, JSArray::kPropertiesOffset), r0);
-    __ StoreP(r4, FieldMemOperand(r3, JSArray::kElementsOffset), r0);
-    __ li(r4, Operand::Zero());
-    __ StoreP(r4, FieldMemOperand(r3, JSArray::kLengthOffset), r0);
-    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);
-    }
-    __ b(&done_allocate);
-  }
-
-  __ bind(&rest_parameters);
-  {
-    // Compute the pointer to the first rest parameter (skippping the receiver).
-    __ SmiToPtrArrayOffset(r9, r3);
-    __ add(r5, r5, r9);
-    __ addi(r5, r5, Operand(StandardFrameConstants::kCallerSPOffset));
-
-    // ----------- S t a t e -------------
-    //  -- cp : context
-    //  -- r3 : number of rest parameters (tagged)
-    //  -- r4 : function
-    //  -- r5 : pointer just past first rest parameters
-    //  -- r9 : size of rest parameters
-    //  -- lr : return address
-    // -----------------------------------
-
-    // Allocate space for the rest parameter array plus the backing store.
-    Label allocate, done_allocate;
-    __ mov(r10, Operand(JSArray::kSize + FixedArray::kHeaderSize));
-    __ add(r10, r10, r9);
-    __ Allocate(r10, r6, r7, r8, &allocate, NO_ALLOCATION_FLAGS);
-    __ bind(&done_allocate);
-
-    // Setup the elements array in r6.
-    __ LoadRoot(r4, Heap::kFixedArrayMapRootIndex);
-    __ StoreP(r4, FieldMemOperand(r6, FixedArray::kMapOffset), r0);
-    __ StoreP(r3, FieldMemOperand(r6, FixedArray::kLengthOffset), r0);
-    __ addi(r7, r6,
-            Operand(FixedArray::kHeaderSize - kHeapObjectTag - kPointerSize));
-    {
-      Label loop;
-      __ SmiUntag(r0, r3);
-      __ mtctr(r0);
-      __ bind(&loop);
-      __ LoadPU(ip, MemOperand(r5, -kPointerSize));
-      __ StorePU(ip, MemOperand(r7, kPointerSize));
-      __ bdnz(&loop);
-      __ addi(r7, r7, Operand(kPointerSize));
-    }
-
-    // Setup the rest parameter array in r7.
-    __ LoadNativeContextSlot(Context::JS_ARRAY_FAST_ELEMENTS_MAP_INDEX, r4);
-    __ StoreP(r4, MemOperand(r7, JSArray::kMapOffset));
-    __ LoadRoot(r4, Heap::kEmptyFixedArrayRootIndex);
-    __ StoreP(r4, MemOperand(r7, JSArray::kPropertiesOffset));
-    __ StoreP(r6, MemOperand(r7, JSArray::kElementsOffset));
-    __ StoreP(r3, MemOperand(r7, JSArray::kLengthOffset));
-    STATIC_ASSERT(JSArray::kSize == 4 * kPointerSize);
-    __ addi(r3, r7, Operand(kHeapObjectTag));
-    __ Ret();
-
-    // Fall back to %AllocateInNewSpace (if not too big).
-    Label too_big_for_new_space;
-    __ bind(&allocate);
-    __ Cmpi(r10, Operand(kMaxRegularHeapObjectSize), r0);
-    __ bgt(&too_big_for_new_space);
-    {
-      FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
-      __ SmiTag(r10);
-      __ Push(r3, r5, r10);
-      __ CallRuntime(Runtime::kAllocateInNewSpace);
-      __ mr(r6, r3);
-      __ Pop(r3, r5);
-    }
-    __ b(&done_allocate);
-
-    // Fall back to %NewRestParameter.
-    __ bind(&too_big_for_new_space);
-    __ push(r4);
-    __ TailCallRuntime(Runtime::kNewRestParameter);
-  }
-}
-
-void FastNewSloppyArgumentsStub::Generate(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r4 : function
-  //  -- cp : context
-  //  -- fp : frame pointer
-  //  -- lr : return address
-  // -----------------------------------
-  __ AssertFunction(r4);
-
-  // Make r10 point to the JavaScript frame.
-  __ mr(r10, fp);
-  if (skip_stub_frame()) {
-    // For Ignition we need to skip the handler/stub frame to reach the
-    // JavaScript frame for the function.
-    __ LoadP(r10, MemOperand(r10, StandardFrameConstants::kCallerFPOffset));
-  }
-  if (FLAG_debug_code) {
-    Label ok;
-    __ LoadP(ip, MemOperand(r10, StandardFrameConstants::kFunctionOffset));
-    __ cmp(ip, r4);
-    __ beq(&ok);
-    __ Abort(kInvalidFrameForFastNewRestArgumentsStub);
-    __ bind(&ok);
-  }
-
-
-  // TODO(bmeurer): Cleanup to match the FastNewStrictArgumentsStub.
-  __ LoadP(r5, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset));
-  __ LoadWordArith(
-      r5, FieldMemOperand(r5, SharedFunctionInfo::kFormalParameterCountOffset));
-#if V8_TARGET_ARCH_PPC64
-  __ SmiTag(r5);
-#endif
-  __ SmiToPtrArrayOffset(r6, r5);
-  __ add(r6, r10, r6);
-  __ addi(r6, r6, Operand(StandardFrameConstants::kCallerSPOffset));
-
-  // r4 : function
-  // r5 : number of parameters (tagged)
-  // r6 : parameters pointer
-  // r10 : JavaScript frame pointer
-  // Registers used over whole function:
-  // r8 : arguments count (tagged)
-  // r9 : mapped parameter count (tagged)
-
-  // Check if the calling frame is an arguments adaptor frame.
-  Label adaptor_frame, try_allocate, runtime;
-  __ LoadP(r7, MemOperand(r10, StandardFrameConstants::kCallerFPOffset));
-  __ LoadP(r3, MemOperand(r7, CommonFrameConstants::kContextOrFrameTypeOffset));
-  __ CmpSmiLiteral(r3, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR), r0);
-  __ beq(&adaptor_frame);
-
-  // No adaptor, parameter count = argument count.
-  __ mr(r8, r5);
-  __ mr(r9, r5);
-  __ b(&try_allocate);
-
-  // We have an adaptor frame. Patch the parameters pointer.
-  __ bind(&adaptor_frame);
-  __ LoadP(r8, MemOperand(r7, ArgumentsAdaptorFrameConstants::kLengthOffset));
-  __ SmiToPtrArrayOffset(r6, r8);
-  __ add(r6, r6, r7);
-  __ addi(r6, r6, Operand(StandardFrameConstants::kCallerSPOffset));
-
-  // r8 = argument count (tagged)
-  // r9 = parameter count (tagged)
-  // Compute the mapped parameter count = min(r5, r8) in r9.
-  __ cmp(r5, r8);
-  if (CpuFeatures::IsSupported(ISELECT)) {
-    __ isel(lt, r9, r5, r8);
-  } else {
-    Label skip;
-    __ mr(r9, r5);
-    __ blt(&skip);
-    __ mr(r9, r8);
-    __ bind(&skip);
-  }
-
-  __ 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.
-  __ CmpSmiLiteral(r9, Smi::kZero, r0);
-  if (CpuFeatures::IsSupported(ISELECT)) {
-    __ SmiToPtrArrayOffset(r11, r9);
-    __ addi(r11, r11, Operand(kParameterMapHeaderSize));
-    __ isel(eq, r11, r0, r11);
-  } else {
-    Label skip2, skip3;
-    __ bne(&skip2);
-    __ li(r11, Operand::Zero());
-    __ b(&skip3);
-    __ bind(&skip2);
-    __ SmiToPtrArrayOffset(r11, r9);
-    __ addi(r11, r11, Operand(kParameterMapHeaderSize));
-    __ bind(&skip3);
-  }
-
-  // 2. Backing store.
-  __ SmiToPtrArrayOffset(r7, r8);
-  __ add(r11, r11, r7);
-  __ addi(r11, r11, Operand(FixedArray::kHeaderSize));
-
-  // 3. Arguments object.
-  __ addi(r11, r11, Operand(JSSloppyArgumentsObject::kSize));
-
-  // Do the allocation of all three objects in one go.
-  __ Allocate(r11, r3, r11, r7, &runtime, NO_ALLOCATION_FLAGS);
-
-  // r3 = address of new object(s) (tagged)
-  // r5 = 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);
-
-  __ LoadP(r7, NativeContextMemOperand());
-  __ cmpi(r9, Operand::Zero());
-  if (CpuFeatures::IsSupported(ISELECT)) {
-    __ LoadP(r11, MemOperand(r7, kNormalOffset));
-    __ LoadP(r7, MemOperand(r7, kAliasedOffset));
-    __ isel(eq, r7, r11, r7);
-  } else {
-    Label skip4, skip5;
-    __ bne(&skip4);
-    __ LoadP(r7, MemOperand(r7, kNormalOffset));
-    __ b(&skip5);
-    __ bind(&skip4);
-    __ LoadP(r7, MemOperand(r7, kAliasedOffset));
-    __ bind(&skip5);
-  }
-
-  // r3 = address of new object (tagged)
-  // r5 = argument count (smi-tagged)
-  // r7 = address of arguments map (tagged)
-  // r9 = mapped parameter count (tagged)
-  __ StoreP(r7, FieldMemOperand(r3, JSObject::kMapOffset), r0);
-  __ LoadRoot(r11, Heap::kEmptyFixedArrayRootIndex);
-  __ StoreP(r11, FieldMemOperand(r3, JSObject::kPropertiesOffset), r0);
-  __ StoreP(r11, FieldMemOperand(r3, JSObject::kElementsOffset), r0);
-
-  // Set up the callee in-object property.
-  __ AssertNotSmi(r4);
-  __ StoreP(r4, FieldMemOperand(r3, JSSloppyArgumentsObject::kCalleeOffset),
-            r0);
-
-  // Use the length (smi tagged) and set that as an in-object property too.
-  __ AssertSmi(r8);
-  __ StoreP(r8, FieldMemOperand(r3, JSSloppyArgumentsObject::kLengthOffset),
-            r0);
-
-  // Set up the elements pointer in the allocated arguments object.
-  // If we allocated a parameter map, r7 will point there, otherwise
-  // it will point to the backing store.
-  __ addi(r7, r3, Operand(JSSloppyArgumentsObject::kSize));
-  __ StoreP(r7, FieldMemOperand(r3, JSObject::kElementsOffset), r0);
-
-  // r3 = address of new object (tagged)
-  // r5 = argument count (tagged)
-  // r7 = address of parameter map or backing store (tagged)
-  // r9 = mapped parameter count (tagged)
-  // Initialize parameter map. If there are no mapped arguments, we're done.
-  Label skip_parameter_map;
-  __ CmpSmiLiteral(r9, Smi::kZero, r0);
-  if (CpuFeatures::IsSupported(ISELECT)) {
-    __ isel(eq, r4, r7, r4);
-    __ beq(&skip_parameter_map);
-  } else {
-    Label skip6;
-    __ bne(&skip6);
-    // Move backing store address to r4, because it is
-    // expected there when filling in the unmapped arguments.
-    __ mr(r4, r7);
-    __ b(&skip_parameter_map);
-    __ bind(&skip6);
-  }
-
-  __ LoadRoot(r8, Heap::kSloppyArgumentsElementsMapRootIndex);
-  __ StoreP(r8, FieldMemOperand(r7, FixedArray::kMapOffset), r0);
-  __ AddSmiLiteral(r8, r9, Smi::FromInt(2), r0);
-  __ StoreP(r8, FieldMemOperand(r7, FixedArray::kLengthOffset), r0);
-  __ StoreP(cp, FieldMemOperand(r7, FixedArray::kHeaderSize + 0 * kPointerSize),
-            r0);
-  __ SmiToPtrArrayOffset(r8, r9);
-  __ add(r8, r8, r7);
-  __ addi(r8, r8, Operand(kParameterMapHeaderSize));
-  __ StoreP(r8, FieldMemOperand(r7, FixedArray::kHeaderSize + 1 * kPointerSize),
-            r0);
-
-  // 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;
-  __ mr(r8, r9);
-  __ AddSmiLiteral(r11, r5, Smi::FromInt(Context::MIN_CONTEXT_SLOTS), r0);
-  __ sub(r11, r11, r9);
-  __ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
-  __ SmiToPtrArrayOffset(r4, r8);
-  __ add(r4, r4, r7);
-  __ addi(r4, r4, Operand(kParameterMapHeaderSize));
-
-  // r4 = address of backing store (tagged)
-  // r7 = address of parameter map (tagged)
-  // r8 = temporary scratch (a.o., for address calculation)
-  // r10 = temporary scratch (a.o., for address calculation)
-  // ip = the hole value
-  __ SmiUntag(r8);
-  __ mtctr(r8);
-  __ ShiftLeftImm(r8, r8, Operand(kPointerSizeLog2));
-  __ add(r10, r4, r8);
-  __ add(r8, r7, r8);
-  __ addi(r10, r10, Operand(FixedArray::kHeaderSize - kHeapObjectTag));
-  __ addi(r8, r8, Operand(kParameterMapHeaderSize - kHeapObjectTag));
-
-  __ bind(&parameters_loop);
-  __ StorePU(r11, MemOperand(r8, -kPointerSize));
-  __ StorePU(ip, MemOperand(r10, -kPointerSize));
-  __ AddSmiLiteral(r11, r11, Smi::FromInt(1), r0);
-  __ bdnz(&parameters_loop);
-
-  // Restore r8 = argument count (tagged).
-  __ LoadP(r8, FieldMemOperand(r3, JSSloppyArgumentsObject::kLengthOffset));
-
-  __ bind(&skip_parameter_map);
-  // r3 = address of new object (tagged)
-  // r4 = address of backing store (tagged)
-  // r8 = argument count (tagged)
-  // r9 = mapped parameter count (tagged)
-  // r11 = scratch
-  // Copy arguments header and remaining slots (if there are any).
-  __ LoadRoot(r11, Heap::kFixedArrayMapRootIndex);
-  __ StoreP(r11, FieldMemOperand(r4, FixedArray::kMapOffset), r0);
-  __ StoreP(r8, FieldMemOperand(r4, FixedArray::kLengthOffset), r0);
-  __ sub(r11, r8, r9, LeaveOE, SetRC);
-  __ Ret(eq, cr0);
-
-  Label arguments_loop;
-  __ SmiUntag(r11);
-  __ mtctr(r11);
-
-  __ SmiToPtrArrayOffset(r0, r9);
-  __ sub(r6, r6, r0);
-  __ add(r11, r4, r0);
-  __ addi(r11, r11,
-          Operand(FixedArray::kHeaderSize - kHeapObjectTag - kPointerSize));
-
-  __ bind(&arguments_loop);
-  __ LoadPU(r7, MemOperand(r6, -kPointerSize));
-  __ StorePU(r7, MemOperand(r11, kPointerSize));
-  __ bdnz(&arguments_loop);
-
-  // Return.
-  __ Ret();
-
-  // Do the runtime call to allocate the arguments object.
-  // r8 = argument count (tagged)
-  __ bind(&runtime);
-  __ Push(r4, r6, r8);
-  __ TailCallRuntime(Runtime::kNewSloppyArguments);
-}
-
-void FastNewStrictArgumentsStub::Generate(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- r4 : function
-  //  -- cp : context
-  //  -- fp : frame pointer
-  //  -- lr : return address
-  // -----------------------------------
-  __ AssertFunction(r4);
-
-  // Make r5 point to the JavaScript frame.
-  __ mr(r5, fp);
-  if (skip_stub_frame()) {
-    // For Ignition we need to skip the handler/stub frame to reach the
-    // JavaScript frame for the function.
-    __ LoadP(r5, MemOperand(r5, StandardFrameConstants::kCallerFPOffset));
-  }
-  if (FLAG_debug_code) {
-    Label ok;
-    __ LoadP(ip, MemOperand(r5, StandardFrameConstants::kFunctionOffset));
-    __ cmp(ip, r4);
-    __ b(&ok);
-    __ Abort(kInvalidFrameForFastNewRestArgumentsStub);
-    __ bind(&ok);
-  }
-
-  // Check if we have an arguments adaptor frame below the function frame.
-  Label arguments_adaptor, arguments_done;
-  __ LoadP(r6, MemOperand(r5, StandardFrameConstants::kCallerFPOffset));
-  __ LoadP(ip, MemOperand(r6, CommonFrameConstants::kContextOrFrameTypeOffset));
-  __ CmpSmiLiteral(ip, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR), r0);
-  __ beq(&arguments_adaptor);
-  {
-    __ LoadP(r7, FieldMemOperand(r4, JSFunction::kSharedFunctionInfoOffset));
-    __ LoadWordArith(
-        r3,
-        FieldMemOperand(r7, SharedFunctionInfo::kFormalParameterCountOffset));
-#if V8_TARGET_ARCH_PPC64
-    __ SmiTag(r3);
-#endif
-    __ SmiToPtrArrayOffset(r9, r3);
-    __ add(r5, r5, r9);
-  }
-  __ b(&arguments_done);
-  __ bind(&arguments_adaptor);
-  {
-    __ LoadP(r3, MemOperand(r6, ArgumentsAdaptorFrameConstants::kLengthOffset));
-    __ SmiToPtrArrayOffset(r9, r3);
-    __ add(r5, r6, r9);
-  }
-  __ bind(&arguments_done);
-  __ addi(r5, r5, Operand(StandardFrameConstants::kCallerSPOffset));
-
-  // ----------- S t a t e -------------
-  //  -- cp : context
-  //  -- r3 : number of rest parameters (tagged)
-  //  -- r4 : function
-  //  -- r5 : pointer just past first rest parameters
-  //  -- r9 : size of rest parameters
-  //  -- lr : return address
-  // -----------------------------------
-
-  // Allocate space for the strict arguments object plus the backing store.
-  Label allocate, done_allocate;
-  __ mov(r10,
-         Operand(JSStrictArgumentsObject::kSize + FixedArray::kHeaderSize));
-  __ add(r10, r10, r9);
-  __ Allocate(r10, r6, r7, r8, &allocate, NO_ALLOCATION_FLAGS);
-  __ bind(&done_allocate);
-
-  // Setup the elements array in r6.
-  __ LoadRoot(r4, Heap::kFixedArrayMapRootIndex);
-  __ StoreP(r4, FieldMemOperand(r6, FixedArray::kMapOffset), r0);
-  __ StoreP(r3, FieldMemOperand(r6, FixedArray::kLengthOffset), r0);
-  __ addi(r7, r6,
-          Operand(FixedArray::kHeaderSize - kHeapObjectTag - kPointerSize));
-  {
-    Label loop, done_loop;
-    __ SmiUntag(r0, r3, SetRC);
-    __ beq(&done_loop, cr0);
-    __ mtctr(r0);
-    __ bind(&loop);
-    __ LoadPU(ip, MemOperand(r5, -kPointerSize));
-    __ StorePU(ip, MemOperand(r7, kPointerSize));
-    __ bdnz(&loop);
-    __ bind(&done_loop);
-    __ addi(r7, r7, Operand(kPointerSize));
-  }
-
-  // Setup the rest parameter array in r7.
-  __ LoadNativeContextSlot(Context::STRICT_ARGUMENTS_MAP_INDEX, r4);
-  __ StoreP(r4, MemOperand(r7, JSStrictArgumentsObject::kMapOffset));
-  __ LoadRoot(r4, Heap::kEmptyFixedArrayRootIndex);
-  __ StoreP(r4, MemOperand(r7, JSStrictArgumentsObject::kPropertiesOffset));
-  __ StoreP(r6, MemOperand(r7, JSStrictArgumentsObject::kElementsOffset));
-  __ StoreP(r3, MemOperand(r7, JSStrictArgumentsObject::kLengthOffset));
-  STATIC_ASSERT(JSStrictArgumentsObject::kSize == 4 * kPointerSize);
-  __ addi(r3, r7, Operand(kHeapObjectTag));
-  __ Ret();
-
-  // Fall back to %AllocateInNewSpace (if not too big).
-  Label too_big_for_new_space;
-  __ bind(&allocate);
-  __ Cmpi(r10, Operand(kMaxRegularHeapObjectSize), r0);
-  __ bgt(&too_big_for_new_space);
-  {
-    FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
-    __ SmiTag(r10);
-    __ Push(r3, r5, r10);
-    __ CallRuntime(Runtime::kAllocateInNewSpace);
-    __ mr(r6, r3);
-    __ Pop(r3, r5);
-  }
-  __ b(&done_allocate);
-
-  // Fall back to %NewStrictArguments.
-  __ bind(&too_big_for_new_space);
-  __ push(r4);
-  __ TailCallRuntime(Runtime::kNewStrictArguments);
-}
-
 static int AddressOffset(ExternalReference ref0, ExternalReference ref1) {
   return ref0.address() - ref1.address();
 }
 
 
 // Calls an API function.  Allocates HandleScope, extracts returned value
 // from handle and propagates exceptions.  Restores context.  stack_space
 // - space to be unwound on exit (includes the call JS arguments space and
 // the additional space allocated for the fast call).
 static void CallApiFunctionAndReturn(MacroAssembler* masm,
@@ skipping 341 matching lines @@
       fp, (PropertyCallbackArguments::kReturnValueOffset + 3) * kPointerSize);
   CallApiFunctionAndReturn(masm, api_function_address, thunk_ref,
                            kStackUnwindSpace, NULL, return_value_operand, NULL);
 }
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC