[builtins] Refactor the remaining Date builtins.

src/crankshaft/ia32/lithium-codegen-ia32.cc

Index: src/crankshaft/ia32/lithium-codegen-ia32.cc
diff --git a/src/crankshaft/ia32/lithium-codegen-ia32.cc b/src/crankshaft/ia32/lithium-codegen-ia32.cc
index 85fcdd570a1dbdbd86fd779e79c52a8eb599b6b4..58875db367ed2aa4bb7405c9f70f80f98b6b2b94 100644
--- a/src/crankshaft/ia32/lithium-codegen-ia32.cc
+++ b/src/crankshaft/ia32/lithium-codegen-ia32.cc
@@ -1675,37 +1675,6 @@ void LCodeGen::DoMapEnumLength(LMapEnumLength* instr) {
 }
 
 
-void LCodeGen::DoDateField(LDateField* instr) {
-  Register object = ToRegister(instr->date());
-  Register result = ToRegister(instr->result());
-  Register scratch = ToRegister(instr->temp());
-  Smi* index = instr->index();
-  DCHECK(object.is(result));
-  DCHECK(object.is(eax));
-
-  if (index->value() == 0) {
-    __ mov(result, FieldOperand(object, JSDate::kValueOffset));
-  } else {
-    Label runtime, done;
-    if (index->value() < JSDate::kFirstUncachedField) {
-      ExternalReference stamp = ExternalReference::date_cache_stamp(isolate());
-      __ mov(scratch, Operand::StaticVariable(stamp));
-      __ cmp(scratch, FieldOperand(object, JSDate::kCacheStampOffset));
-      __ j(not_equal, &runtime, Label::kNear);
-      __ mov(result, FieldOperand(object, JSDate::kValueOffset +
-                                          kPointerSize * index->value()));
-      __ jmp(&done, Label::kNear);
-    }
-    __ bind(&runtime);
-    __ PrepareCallCFunction(2, scratch);
-    __ mov(Operand(esp, 0), object);
-    __ mov(Operand(esp, 1 * kPointerSize), Immediate(index));
-    __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2);
-    __ bind(&done);
-  }
-}
-
-
 Operand LCodeGen::BuildSeqStringOperand(Register string,
                                         LOperand* index,
                                         String::Encoding encoding) {