Implement ICs for FastDoubleArray loads and stores

src/assembler.h

 // 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 18 matching lines @@
 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // The original source code covered by the above license above has been
 // modified significantly by Google Inc.
 // Copyright 2011 the V8 project authors. All rights reserved.
 
 #ifndef V8_ASSEMBLER_H_
 #define V8_ASSEMBLER_H_
 
 #include "allocation.h"
+#include "api.h"
 #include "gdb-jit.h"
 #include "runtime.h"
 #include "token.h"
 
 namespace v8 {
 namespace internal {
 
 const unsigned kNoASTId = -1;
 // -----------------------------------------------------------------------------
 // Platform independent assembler base class.
 
 class AssemblerBase: public Malloced {
  public:
   explicit AssemblerBase(Isolate* isolate);
 
   Isolate* isolate() const { return isolate_; }
   int jit_cookie() { return jit_cookie_; }
 
  private:
   Isolate* isolate_;
   int jit_cookie_;
 };
 
+static const uint32_t kHoleNanUpper32 = 0x7FFFFFFF;
+static const uint32_t kHoleNanLower32 = 0xFFFFFFFF;
+static const uint32_t kCanonicalNonHoleNanUpper32 = 0x7FF10000;
+static const uint32_t kCanonicalNonHoleNanLower32 = 0xFFFFFFFF;
+
+extern uint64_t kHoleNanInt64;
+extern uint64_t kCanonicalNonHoleNanInt64;
+
 // -----------------------------------------------------------------------------
 // Common double constants.
 
 class DoubleConstant: public AllStatic {
  public:
   static const double min_int;
   static const double one_half;
   static const double minus_zero;
   static const double zero;
   static const double uint8_max_value;
   static const double negative_infinity;
   static const double nan;
+  static const double canonical_non_hole_nan;
+  static const double the_hole_nan;
 };
 
 
 // -----------------------------------------------------------------------------
 // Labels represent pc locations; they are typically jump or call targets.
 // After declaration, a label can be freely used to denote known or (yet)
 // unknown pc location. Assembler::bind() is used to bind a label to the
 // current pc. A label can be bound only once.
 
 class Label BASE_EMBEDDED {
@@ skipping 538 matching lines @@
 
   static ExternalReference scheduled_exception_address(Isolate* isolate);
 
   // Static variables containing common double constants.
   static ExternalReference address_of_min_int();
   static ExternalReference address_of_one_half();
   static ExternalReference address_of_minus_zero();
   static ExternalReference address_of_zero();
   static ExternalReference address_of_uint8_max_value();
   static ExternalReference address_of_negative_infinity();
-  static ExternalReference address_of_nan();
+  static ExternalReference address_of_canonical_non_hole_nan();
+  static ExternalReference address_of_the_hole_nan();
 
   static ExternalReference math_sin_double_function(Isolate* isolate);
   static ExternalReference math_cos_double_function(Isolate* isolate);
   static ExternalReference math_log_double_function(Isolate* isolate);
 
   Address address() const {return reinterpret_cast<Address>(address_);}
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
   // Function Debug::Break()
   static ExternalReference debug_break(Isolate* isolate);
@@ skipping 210 matching lines @@
  public:
   NullCallWrapper() { }
   virtual ~NullCallWrapper() { }
   virtual void BeforeCall(int call_size) const { }
   virtual void AfterCall() const { }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ASSEMBLER_H_