MIPS: Swap bitfield3 and backpointer.

src/mips/full-codegen-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1130 matching lines @@
   // modification check. Otherwise, we got a fixed array, and we have
   // to do a slow check.
   Label fixed_array;
   __ mov(a2, v0);
   __ lw(a1, FieldMemOperand(a2, HeapObject::kMapOffset));
   __ LoadRoot(at, Heap::kMetaMapRootIndex);
   __ Branch(&fixed_array, ne, a1, Operand(at));
 
   // We got a map in register v0. Get the enumeration cache from it.
   __ bind(&use_cache);
-  __ LoadInstanceDescriptors(v0, a1);
+  __ LoadInstanceDescriptors(v0, a1, a2);
   __ lw(a1, FieldMemOperand(a1, DescriptorArray::kEnumerationIndexOffset));
   __ lw(a2, FieldMemOperand(a1, DescriptorArray::kEnumCacheBridgeCacheOffset));
 
   // Set up the four remaining stack slots.
   __ push(v0);  // Map.
   __ lw(a1, FieldMemOperand(a2, FixedArray::kLengthOffset));
   __ li(a0, Operand(Smi::FromInt(0)));
   // Push enumeration cache, enumeration cache length (as smi) and zero.
   __ Push(a2, a1, a0);
   __ jmp(&loop);
@@ skipping 1590 matching lines @@
 
   // Check for fast case object. Generate false result for slow case object.
   __ lw(a2, FieldMemOperand(v0, JSObject::kPropertiesOffset));
   __ lw(a2, FieldMemOperand(a2, HeapObject::kMapOffset));
   __ LoadRoot(t0, Heap::kHashTableMapRootIndex);
   __ Branch(if_false, eq, a2, Operand(t0));
 
   // Look for valueOf symbol in the descriptor array, and indicate false if
   // found. The type is not checked, so if it is a transition it is a false
   // negative.
-  __ LoadInstanceDescriptors(a1, t0);
+  __ LoadInstanceDescriptors(a1, t0, a3);
   __ lw(a3, FieldMemOperand(t0, FixedArray::kLengthOffset));
   // t0: descriptor array
   // a3: length of descriptor array
   // Calculate the end of the descriptor array.
   STATIC_ASSERT(kSmiTag == 0);
   STATIC_ASSERT(kSmiTagSize == 1);
   STATIC_ASSERT(kPointerSize == 4);
   __ Addu(a2, t0, Operand(FixedArray::kHeaderSize - kHeapObjectTag));
   __ sll(t1, a3, kPointerSizeLog2 - kSmiTagSize);
   __ Addu(a2, a2, t1);
@@ skipping 1841 matching lines @@
   *context_length = 0;
   return previous_;
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS