1 files changed, 59 insertions, 0 deletions
diff --git a/gcc/tree.cc b/gcc/tree.cc
index 9bc6228..0f02924 100644
--- a/gcc/tree.cc
+++ b/gcc/tree.cc
@@ -15420,6 +15420,65 @@ get_target_clone_attr_len (tree arglist)
   return str_len_sum;
 }
 
+/* Returns an auto_vec of string_slices containing the version strings from
+   ARGLIST.  DEFAULT_COUNT is incremented for each default version found.  */
+
+auto_vec<string_slice>
+get_clone_attr_versions (const tree arglist, int *default_count)
+{
+  gcc_assert (TREE_CODE (arglist) == TREE_LIST);
+  auto_vec<string_slice> versions;
+
+  static const char separator_str[] = {TARGET_CLONES_ATTR_SEPARATOR, 0};
+  string_slice separators = string_slice (separator_str);
+
+  for (tree arg = arglist; arg; arg = TREE_CHAIN (arg))
+    {
+      string_slice str = string_slice (TREE_STRING_POINTER (TREE_VALUE (arg)));
+      while (str.is_valid ())
+	{
+	  string_slice attr = string_slice::tokenize (&str, separators);
+	  attr = attr.strip ();
+
+	  if (attr == "default" && default_count)
+	    (*default_count)++;
+	  versions.safe_push (attr);
+	}
+    }
+  return versions;
+}
+
+/* Returns an auto_vec of string_slices containing the version strings from
+   the target_clone attribute from DECL.  DEFAULT_COUNT is incremented for each
+   default version found.  */
+auto_vec<string_slice>
+get_clone_versions (const tree decl, int *default_count)
+{
+  tree attr = lookup_attribute ("target_clones", DECL_ATTRIBUTES (decl));
+  if (!attr)
+    return auto_vec<string_slice> ();
+  tree arglist = TREE_VALUE (attr);
+  return get_clone_attr_versions (arglist, default_count);
+}
+
+/* If DECL has a target_version attribute, returns a string_slice containing the
+   attribute value.  Otherwise, returns string_slice::invalid.
+   Only works for target_version due to target attributes allowing multiple
+   string arguments to specify one target.  */
+string_slice
+get_target_version (const tree decl)
+{
+  gcc_assert (!TARGET_HAS_FMV_TARGET_ATTRIBUTE);
+
+  tree attr = lookup_attribute ("target_version", DECL_ATTRIBUTES (decl));
+
+  if (!attr)
+    return string_slice::invalid ();
+
+  return string_slice (TREE_STRING_POINTER (TREE_VALUE (TREE_VALUE (attr))))
+	   .strip ();
+}
+
 void
 tree_cc_finalize (void)
 {