MIPS64: Fix2 '[runtime] Introduce FastNewStrictArgumentsStub to optimize strict arguments.'

src/mips64/code-stubs-mips64.cc

 // Copyright 2012 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_MIPS64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/ic/handler-compiler.h"
@@ skipping 4851 matching lines @@
     __ Daddu(a3, v0, Operand(FixedArray::kHeaderSize));
     {
       Label loop, done_loop;
       __ Dlsa(a1, a3, a0, kPointerSizeLog2);
       __ bind(&loop);
       __ Branch(&done_loop, eq, a1, Operand(a3));
       __ ld(at, MemOperand(a2, 0 * kPointerSize));
       __ sd(at, FieldMemOperand(a3, 0 * kPointerSize));
       __ Dsubu(a2, a2, Operand(1 * kPointerSize));
       __ Daddu(a3, a3, Operand(1 * kPointerSize));
-      __ b(&loop);
+      __ Branch(&loop);
       __ bind(&done_loop);
     }
 
     // Setup the rest parameter array in a3.
     __ LoadNativeContextSlot(Context::JS_ARRAY_FAST_ELEMENTS_MAP_INDEX, at);
     __ sd(at, FieldMemOperand(a3, JSArray::kMapOffset));
     __ LoadRoot(at, Heap::kEmptyFixedArrayRootIndex);
     __ sd(at, FieldMemOperand(a3, JSArray::kPropertiesOffset));
     __ sd(v0, FieldMemOperand(a3, JSArray::kElementsOffset));
     __ sd(a4, FieldMemOperand(a3, JSArray::kLengthOffset));
@@ skipping 314 matching lines @@
     __ bind(&loop);
     __ Branch(&done_loop, eq, a1, Operand(a3));
     __ ld(at, MemOperand(a2, 0 * kPointerSize));
     __ sd(at, FieldMemOperand(a3, 0 * kPointerSize));
     __ Dsubu(a2, a2, Operand(1 * kPointerSize));
     __ Daddu(a3, a3, Operand(1 * kPointerSize));
     __ Branch(&loop);
     __ bind(&done_loop);
   }
 
-  // Setup the rest parameter array in a3.
-  __ LoadNativeContextSlot(Context::JS_ARRAY_FAST_ELEMENTS_MAP_INDEX, at);
+  // Setup the strict arguments object in a3.
+  __ LoadNativeContextSlot(Context::STRICT_ARGUMENTS_MAP_INDEX, at);
   __ sd(at, FieldMemOperand(a3, JSStrictArgumentsObject::kMapOffset));
   __ LoadRoot(at, Heap::kEmptyFixedArrayRootIndex);
   __ sd(at, FieldMemOperand(a3, JSStrictArgumentsObject::kPropertiesOffset));
   __ sd(v0, FieldMemOperand(a3, JSStrictArgumentsObject::kElementsOffset));
   __ sd(a4, FieldMemOperand(a3, JSStrictArgumentsObject::kLengthOffset));
   STATIC_ASSERT(JSStrictArgumentsObject::kSize == 4 * kPointerSize);
   __ Ret(USE_DELAY_SLOT);
   __ mov(v0, a3);  // In delay slot
 
   // Fall back to %AllocateInNewSpace.
@@ skipping 470 matching lines @@
                            return_value_operand, NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS64