Import SIMD feature and add some workload samples (#438)

core/iwasm/compilation/aot.c

@@ -14,6 +14,15 @@ aot_get_last_error()
   return aot_error[0] == '\0' ? "" : aot_error;
 }
 
+void
+aot_set_last_error_v(const char *format, ...)
+{
+    va_list args;
+    va_start(args, format);
+    vsnprintf(aot_error, sizeof(aot_error), format, args);
+    va_end(args);
+}
+
 void
 aot_set_last_error(const char *error)
 {