[builtins] Refactor the remaining Date builtins.

src/full-codegen/arm64/full-codegen-arm64.cc

 // Copyright 2013 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.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 3127 matching lines @@
 
   __ JumpIfSmi(x0, if_false);
   __ CompareObjectType(x0, x10, x11, JS_DATE_TYPE);
   PrepareForBailoutBeforeSplit(expr, true, if_true, if_false);
   Split(eq, if_true, if_false, fall_through);
 
   context()->Plug(if_true, if_false);
 }
 
 
-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 = x0;
-  Register result = x0;
-  Register stamp_addr = x10;
-  Register stamp_cache = x11;
-
-  if (index->value() == 0) {
-    __ Ldr(result, FieldMemOperand(object, JSDate::kValueOffset));
-  } else {
-    Label runtime, done;
-    if (index->value() < JSDate::kFirstUncachedField) {
-      ExternalReference stamp = ExternalReference::date_cache_stamp(isolate());
-      __ Mov(stamp_addr, stamp);
-      __ Ldr(stamp_addr, MemOperand(stamp_addr));
-      __ Ldr(stamp_cache, FieldMemOperand(object, JSDate::kCacheStampOffset));
-      __ Cmp(stamp_addr, stamp_cache);
-      __ B(ne, &runtime);
-      __ Ldr(result, FieldMemOperand(object, JSDate::kValueOffset +
-                                             kPointerSize * index->value()));
-      __ B(&done);
-    }
-
-    __ Bind(&runtime);
-    __ Mov(x1, 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());
 
   Register string = x0;
   Register index = x1;
   Register value = x2;
   Register scratch = x10;
 
   VisitForStackValue(args->at(0));        // index
@@ skipping 1700 matching lines @@
   }
 
   return INTERRUPT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64