[builtins] Refactor the remaining Date builtins.

src/crankshaft/mips64/lithium-codegen-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/crankshaft/mips64/lithium-codegen-mips64.h"
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/crankshaft/hydrogen-osr.h"
 #include "src/crankshaft/mips64/lithium-gap-resolver-mips64.h"
@@ skipping 1738 matching lines @@
 }
 
 
 void LCodeGen::DoMapEnumLength(LMapEnumLength* instr) {
   Register result = ToRegister(instr->result());
   Register map = ToRegister(instr->value());
   __ EnumLength(result, map);
 }
 
 
-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(a0));
-  DCHECK(result.is(v0));
-  DCHECK(!scratch.is(scratch0()));
-  DCHECK(!scratch.is(object));
-
-  if (index->value() == 0) {
-    __ ld(result, FieldMemOperand(object, JSDate::kValueOffset));
-  } else {
-    Label runtime, done;
-    if (index->value() < JSDate::kFirstUncachedField) {
-      ExternalReference stamp = ExternalReference::date_cache_stamp(isolate());
-      __ li(scratch, Operand(stamp));
-      __ ld(scratch, MemOperand(scratch));
-      __ ld(scratch0(), FieldMemOperand(object, JSDate::kCacheStampOffset));
-      __ Branch(&runtime, ne, scratch, Operand(scratch0()));
-      __ ld(result, FieldMemOperand(object, JSDate::kValueOffset +
-                                            kPointerSize * index->value()));
-      __ jmp(&done);
-    }
-    __ bind(&runtime);
-    __ PrepareCallCFunction(2, scratch);
-    __ li(a1, Operand(index));
-    __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2);
-    __ bind(&done);
-  }
-}
-
-
 MemOperand LCodeGen::BuildSeqStringOperand(Register string,
                                            LOperand* index,
                                            String::Encoding encoding) {
   if (index->IsConstantOperand()) {
     int offset = ToInteger32(LConstantOperand::cast(index));
     if (encoding == String::TWO_BYTE_ENCODING) {
       offset *= kUC16Size;
     }
     STATIC_ASSERT(kCharSize == 1);
     return FieldMemOperand(string, SeqString::kHeaderSize + offset);
@@ skipping 4064 matching lines @@
   __ Push(at, ToRegister(instr->function()));
   CallRuntime(Runtime::kPushBlockContext, instr);
   RecordSafepoint(Safepoint::kNoLazyDeopt);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8