Properly export uin32_bias double constant.

src/assembler.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 80 matching lines @@
 struct DoubleConstant BASE_EMBEDDED {
   double min_int;
   double one_half;
   double minus_one_half;
   double minus_zero;
   double zero;
   double uint8_max_value;
   double negative_infinity;
   double canonical_non_hole_nan;
   double the_hole_nan;
+  double uint32_bias;
 };
 
 static DoubleConstant double_constants;
 
 const char* const RelocInfo::kFillerCommentString = "DEOPTIMIZATION PADDING";
 
 static bool math_exp_data_initialized = false;
 static Mutex* math_exp_data_mutex = NULL;
 static double* math_exp_constants_array = NULL;
 static double* math_exp_log_table_array = NULL;
@@ skipping 790 matching lines @@
 void ExternalReference::SetUp() {
   double_constants.min_int = kMinInt;
   double_constants.one_half = 0.5;
   double_constants.minus_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;
+  double_constants.uint32_bias =
+    static_cast<double>(static_cast<uint32_t>(0xFFFFFFFF)) + 1;
 
   math_exp_data_mutex = new Mutex();
 }
 
 
 void ExternalReference::InitializeMathExpData() {
   // Early return?
   if (math_exp_data_initialized) return;
 
   LockGuard<Mutex> lock_guard(math_exp_data_mutex);
@@ skipping 405 matching lines @@
       reinterpret_cast<void*>(&double_constants.canonical_non_hole_nan));
 }
 
 
 ExternalReference ExternalReference::address_of_the_hole_nan() {
   return ExternalReference(
       reinterpret_cast<void*>(&double_constants.the_hole_nan));
 }
 
 
+ExternalReference ExternalReference::address_of_uint32_bias() {
+  return ExternalReference(
+      reinterpret_cast<void*>(&double_constants.uint32_bias));
+}
+
+
 #ifndef V8_INTERPRETED_REGEXP
 
 ExternalReference ExternalReference::re_check_stack_guard_state(
     Isolate* isolate) {
   Address function;
 #if V8_TARGET_ARCH_X64
   function = FUNCTION_ADDR(RegExpMacroAssemblerX64::CheckStackGuardState);
 #elif V8_TARGET_ARCH_IA32
   function = FUNCTION_ADDR(RegExpMacroAssemblerIA32::CheckStackGuardState);
 #elif V8_TARGET_ARCH_ARM
@@ skipping 348 matching lines @@
     assembler_->RecordRelocInfo(RelocInfo::POSITION, state_.current_position);
     state_.written_position = state_.current_position;
     written = true;
   }
 
   // Return whether something was written.
   return written;
 }
 
 } }  // namespace v8::internal