Revert of [builtins] Refactor the remaining Date builtins.

src/full-codegen/ppc/full-codegen-ppc.cc

Index: src/full-codegen/ppc/full-codegen-ppc.cc
diff --git a/src/full-codegen/ppc/full-codegen-ppc.cc b/src/full-codegen/ppc/full-codegen-ppc.cc
index a6306957d1c71fd4cd76acfaaa216d001a921475..a31537a5247e75a5e5bc49069b399999fb8bc494 100644
--- a/src/full-codegen/ppc/full-codegen-ppc.cc
+++ b/src/full-codegen/ppc/full-codegen-ppc.cc
@@ -3431,6 +3431,47 @@
 }
 
 
+void FullCodeGenerator::EmitDateField(CallRuntime* expr) {
+  ZoneList<Expression*>* args = expr->arguments();
+  DCHECK(args->length() == 2);
+  DCHECK_NOT_NULL(args->at(1)->AsLiteral());
+  Smi* index = Smi::cast(*(args->at(1)->AsLiteral()->value()));
+
+  VisitForAccumulatorValue(args->at(0));  // Load the object.
+
+  Register object = r3;
+  Register result = r3;
+  Register scratch0 = r11;
+  Register scratch1 = r4;
+
+  if (index->value() == 0) {
+    __ LoadP(result, FieldMemOperand(object, JSDate::kValueOffset));
+  } else {
+    Label runtime, done;
+    if (index->value() < JSDate::kFirstUncachedField) {
+      ExternalReference stamp = ExternalReference::date_cache_stamp(isolate());
+      __ mov(scratch1, Operand(stamp));
+      __ LoadP(scratch1, MemOperand(scratch1));
+      __ LoadP(scratch0, FieldMemOperand(object, JSDate::kCacheStampOffset));
+      __ cmp(scratch1, scratch0);
+      __ bne(&runtime);
+      __ LoadP(result,
+               FieldMemOperand(object, JSDate::kValueOffset +
+                                           kPointerSize * index->value()),
+               scratch0);
+      __ b(&done);
+    }
+    __ bind(&runtime);
+    __ PrepareCallCFunction(2, scratch1);
+    __ LoadSmiLiteral(r4, index);
+    __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2);
+    __ bind(&done);
+  }
+
+  context()->Plug(result);
+}
+
+
 void FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   DCHECK_EQ(3, args->length());