Implement ICs for FastDoubleArray loads and stores

src/assembler.h

Index: src/assembler.h
diff --git a/src/assembler.h b/src/assembler.h
index bced11fec2e287d871a582bef173e62172ba9ac0..42788e62a9a292f48a51a5b9a831f0e1e1c81047 100644
--- a/src/assembler.h
+++ b/src/assembler.h
@@ -36,6 +36,7 @@
 #define V8_ASSEMBLER_H_
 
 #include "allocation.h"
+#include "api.h"
 #include "gdb-jit.h"
 #include "runtime.h"
 #include "token.h"
@@ -59,6 +60,14 @@ class AssemblerBase: public Malloced {
   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.
 
@@ -71,6 +80,8 @@ class DoubleConstant: public AllStatic {
   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;
 };
 
 
@@ -629,7 +640,8 @@ class ExternalReference BASE_EMBEDDED {
   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);