MIPS64: Implement optimization utilizing signaling NaN for holes in double arrays.

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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_MIPS64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 4529 matching lines @@
   __ ld(a5, FieldMemOperand(a1, JSObject::kElementsOffset));
   __ SmiScale(a6, a3, kPointerSizeLog2);
   __ Daddu(a6, a5, a6);
   __ sd(a0, FieldMemOperand(a6, FixedArray::kHeaderSize));
   __ Ret(USE_DELAY_SLOT);
   __ mov(v0, a0);
 
   // Array literal has ElementsKind of FAST_*_DOUBLE_ELEMENTS.
   __ bind(&double_elements);
   __ ld(a5, FieldMemOperand(a1, JSObject::kElementsOffset));
-  __ StoreNumberToDoubleElements(a0, a3, a5, a7, t1, a2, &slow_elements);
+  __ StoreNumberToDoubleElements(a0, a3, a5, a7, t1, &slow_elements);
   __ Ret(USE_DELAY_SLOT);
   __ mov(v0, a0);
 }
 
 
 void StubFailureTrampolineStub::Generate(MacroAssembler* masm) {
   CEntryStub ces(isolate(), 1, kSaveFPRegs);
   __ Call(ces.GetCode(), RelocInfo::CODE_TARGET);
   int parameter_count_offset =
       StubFailureTrampolineFrame::kCallerStackParameterCountFrameOffset;
@@ skipping 696 matching lines @@
                            kStackUnwindSpace, kInvalidStackOffset,
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS64