src/share/vm/compiler/compilerDirectives.cpp

@@ -407,10 +407,36 @@
   }
 
   return false;
 }
 
+ bool DirectiveSet::is_intrinsic_disabled(vmIntrinsics::ID id) {
+  assert(id != vmIntrinsics::_none, "must be a VM intrinsic");
+
+  ResourceMark rm;
+  ccstr DisableIntrinsicString = canonicalize_disableintrinsic(DisableIntrinsic);
+  // Create a copy of the string that contains the list of disabled
+  // intrinsics. The copy is created because the string
+  // will be modified by strtok(). Then, the list is tokenized with
+  // ',' as a separator.
+  size_t length = strlen(DisableIntrinsicString);
+  char* local_list = NEW_RESOURCE_ARRAY(char, length + 1);
+  strncpy(local_list, DisableIntrinsicString, length + 1);
+
+  char* token = strtok(local_list, ",");
+  while (token != NULL) {
+    if (strcmp(token, vmIntrinsics::name_at(id)) == 0) {
+      return true;
+    }
+    else {
+      token = strtok(NULL, ",");
+    }
+  }
+
+  return false;
+}
+
 DirectiveSet* DirectiveSet::clone(DirectiveSet const* src) {
   DirectiveSet* set = new DirectiveSet(NULL);
   memcpy(set->_modified, src->_modified, sizeof(src->_modified));
 
   InlineMatcher* tmp = src->_inlinematchers;