Revert of [builtins] Refactor the remaining Date builtins.

src/crankshaft/mips64/lithium-mips64.cc

Index: src/crankshaft/mips64/lithium-mips64.cc
diff --git a/src/crankshaft/mips64/lithium-mips64.cc b/src/crankshaft/mips64/lithium-mips64.cc
index 129f61587f56014f691a06e219bc7c30eec2dfb4..d637d3d292ebf41f5027a0534fd70b02ad431f2e 100644
--- a/src/crankshaft/mips64/lithium-mips64.cc
+++ b/src/crankshaft/mips64/lithium-mips64.cc
@@ -1775,6 +1775,14 @@
 LInstruction* LChunkBuilder::DoMapEnumLength(HMapEnumLength* instr) {
   LOperand* map = UseRegisterAtStart(instr->value());
   return DefineAsRegister(new(zone()) LMapEnumLength(map));
+}
+
+
+LInstruction* LChunkBuilder::DoDateField(HDateField* instr) {
+  LOperand* object = UseFixed(instr->value(), a0);
+  LDateField* result =
+      new(zone()) LDateField(object, FixedTemp(a1), instr->index());
+  return MarkAsCall(DefineFixed(result, v0), instr, CANNOT_DEOPTIMIZE_EAGERLY);
 }