MIPS: Fix r19175 "Avoid embedding x86 NaN constant in MacroAssembler code when...

MIPS: Fix r19175 "Avoid embedding x86 NaN constant in MacroAssembler code when snapshot is created."

BUG=
R=plind44@gmail.com

Review URL: https://codereview.chromium.org/148523015

Patch from Balazs Kilvady <kilvadyb@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19232 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/mips/macro-assembler-mips.cc

@@ -3440,8 +3440,8 @@ void MacroAssembler::StoreNumberToDoubleElements(Register value_reg,
   bind(&is_nan);
   // Load canonical NaN for storing into the double array.
   LoadRoot(at, Heap::kNanValueRootIndex);
-  lw(mantissa_reg, FieldMemOperand(at, HeapNumber::kValueOffset));
-  lw(exponent_reg, FieldMemOperand(at, HeapNumber::kValueOffset + 4));
+  lw(mantissa_reg, FieldMemOperand(at, HeapNumber::kMantissaOffset));
+  lw(exponent_reg, FieldMemOperand(at, HeapNumber::kExponentOffset));
   jmp(&have_double_value);
 
   bind(&smi_value);