Merge V8 3.9 at 3.9.24.9

http://v8.googlecode.com/svn/branches/3.9@11260

Bug: 5688872
Change-Id: Iddd944e82189d92df3fc427dc5f0d3f1b2f0c6c8

1 files changed, 49 insertions, 16 deletions

diff --git a/src/assembler.cc b/src/assembler.cc
index 0bec5775..4944202f 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -45,6 +45,7 @@
 #include "ic.h"
 #include "isolate.h"
 #include "jsregexp.h"
+#include "lazy-instance.h"
 #include "platform.h"
 #include "regexp-macro-assembler.h"
 #include "regexp-stack.h"
@@ -84,15 +85,36 @@
 namespace v8 {
 namespace internal {
 
+// -----------------------------------------------------------------------------
+// Common double constants.
+
+struct DoubleConstant BASE_EMBEDDED {
+  double min_int;
+  double one_half;
+  double minus_zero;
+  double zero;
+  double uint8_max_value;
+  double negative_infinity;
+  double canonical_non_hole_nan;
+  double the_hole_nan;
+};
+
+struct InitializeDoubleConstants {
+  static void Construct(DoubleConstant* double_constants) {
+    double_constants->min_int = kMinInt;
+    double_constants->one_half = 0.5;
+    double_constants->minus_zero = -0.0;
+    double_constants->uint8_max_value = 255;
+    double_constants->zero = 0.0;
+    double_constants->canonical_non_hole_nan = OS::nan_value();
+    double_constants->the_hole_nan = BitCast<double>(kHoleNanInt64);
+    double_constants->negative_infinity = -V8_INFINITY;
+  }
+};
+
+static LazyInstance<DoubleConstant, InitializeDoubleConstants>::type
+    double_constants = LAZY_INSTANCE_INITIALIZER;
 
-const double DoubleConstant::min_int = kMinInt;
-const double DoubleConstant::one_half = 0.5;
-const double DoubleConstant::minus_zero = -0.0;
-const double DoubleConstant::uint8_max_value = 255;
-const double DoubleConstant::zero = 0.0;
-const double DoubleConstant::canonical_non_hole_nan = OS::nan_value();
-const double DoubleConstant::the_hole_nan = BitCast<double>(kHoleNanInt64);
-const double DoubleConstant::negative_infinity = -V8_INFINITY;
 const char* const RelocInfo::kFillerCommentString = "DEOPTIMIZATION PADDING";
 
 // -----------------------------------------------------------------------------
@@ -813,6 +835,17 @@ ExternalReference ExternalReference::random_uint32_function(
 }
 
 
+ExternalReference ExternalReference::get_date_field_function(
+    Isolate* isolate) {
+  return ExternalReference(Redirect(isolate, FUNCTION_ADDR(JSDate::GetField)));
+}
+
+
+ExternalReference ExternalReference::date_cache_stamp(Isolate* isolate) {
+  return ExternalReference(isolate->date_cache()->stamp_address());
+}
+
+
 ExternalReference ExternalReference::transcendental_cache_array_address(
     Isolate* isolate) {
   return ExternalReference(
@@ -926,49 +959,49 @@ ExternalReference ExternalReference::scheduled_exception_address(
 
 ExternalReference ExternalReference::address_of_min_int() {
   return ExternalReference(reinterpret_cast<void*>(
-      const_cast<double*>(&DoubleConstant::min_int)));
+      &double_constants.Pointer()->min_int));
 }
 
 
 ExternalReference ExternalReference::address_of_one_half() {
   return ExternalReference(reinterpret_cast<void*>(
-      const_cast<double*>(&DoubleConstant::one_half)));
+      &double_constants.Pointer()->one_half));
 }
 
 
 ExternalReference ExternalReference::address_of_minus_zero() {
   return ExternalReference(reinterpret_cast<void*>(
-      const_cast<double*>(&DoubleConstant::minus_zero)));
+      &double_constants.Pointer()->minus_zero));
 }
 
 
 ExternalReference ExternalReference::address_of_zero() {
   return ExternalReference(reinterpret_cast<void*>(
-      const_cast<double*>(&DoubleConstant::zero)));
+      &double_constants.Pointer()->zero));
 }
 
 
 ExternalReference ExternalReference::address_of_uint8_max_value() {
   return ExternalReference(reinterpret_cast<void*>(
-      const_cast<double*>(&DoubleConstant::uint8_max_value)));
+      &double_constants.Pointer()->uint8_max_value));
 }
 
 
 ExternalReference ExternalReference::address_of_negative_infinity() {
   return ExternalReference(reinterpret_cast<void*>(
-      const_cast<double*>(&DoubleConstant::negative_infinity)));
+      &double_constants.Pointer()->negative_infinity));
 }
 
 
 ExternalReference ExternalReference::address_of_canonical_non_hole_nan() {
   return ExternalReference(reinterpret_cast<void*>(
-      const_cast<double*>(&DoubleConstant::canonical_non_hole_nan)));
+      &double_constants.Pointer()->canonical_non_hole_nan));
 }
 
 
 ExternalReference ExternalReference::address_of_the_hole_nan() {
   return ExternalReference(reinterpret_cast<void*>(
-      const_cast<double*>(&DoubleConstant::the_hole_nan)));
+      &double_constants.Pointer()->the_hole_nan));
 }