--- qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/Platform.h 2015-05-07 14:14:45.000000000 +0000  
+++ qt-everywhere-opensource-src-4.8.7.patched/src/3rdparty/webkit/Source/JavaScriptCore/wtf/Platform.h 2015-06-09 14:55:33.493388000 +0000  
@@ -369,6 +369,15 @@
 
 #endif /* ARM */
 
+/* CPU(AARCH64) - AArch64 */
+#if defined(__aarch64__)
+#define WTF_CPU_AARCH64 1
+#if defined(__AARCH64EB__)
+#define WTF_CPU_BIG_ENDIAN 1
+#endif
+#endif
+
+
 #if CPU(ARM) || CPU(MIPS) || CPU(SH4)
 #define WTF_CPU_NEEDS_ALIGNED_ACCESS 1
 #endif
@@ -1003,7 +1012,8 @@
     || CPU(SPARC64) \
     || CPU(S390X) \
     || CPU(PPC64) \
-    || CPU(MIPS64)
+    || CPU(MIPS64) \
+    || CPU(AARCH64)
 #define WTF_USE_JSVALUE64 1
 #else
 #define WTF_USE_JSVALUE32_64 1