Implement polymorphic inline caches (#120)

Author: littledivy

cutils.h

@@ -47,6 +47,9 @@
 #endif
 #ifndef countof
 #define countof(x) (sizeof(x) / sizeof((x)[0]))
+#ifndef endof
+#define endof(x) ((x) + countof(x))
+#endif
 #endif
 
 typedef int BOOL;

quickjs-opcode.h

@@ -357,6 +357,10 @@ DEF(        is_null, 1, 1, 1, none)
 DEF(typeof_is_undefined, 1, 1, 1, none)
 DEF( typeof_is_function, 1, 1, 1, none)
 
+DEF(      get_field_ic, 5, 1, 1, none)
+DEF(     get_field2_ic, 5, 1, 2, none)
+DEF(      put_field_ic, 5, 2, 0, none)
+
 #undef DEF
 #undef def
 #endif  /* DEF */