--- a/gcc/config/aarch64/cortex-a57-fma-steering.c	Thu Oct 25 07:37:49 2018 +0900
+++ b/gcc/config/aarch64/cortex-a57-fma-steering.c	Thu Feb 13 11:34:05 2020 +0900
@@ -1,5 +1,5 @@
 /* FMA steering optimization pass for Cortex-A57.
-   Copyright (C) 2015-2018 Free Software Foundation, Inc.
+   Copyright (C) 2015-2020 Free Software Foundation, Inc.
    Contributed by ARM Ltd.
 
    This file is part of GCC.
@@ -37,6 +37,7 @@
 #include "insn-attr.h"
 #include "context.h"
 #include "tree-pass.h"
+#include "function-abi.h"
 #include "regrename.h"
 #include "aarch64-protos.h"
 
@@ -114,6 +115,9 @@
   void dispatch ();
 
 private:
+  /* Prohibit copy construction.  */
+  fma_forest (const fma_forest &);
+
   /* The list of roots that form this forest.  */
   std::list<fma_root_node *> *m_roots;
 
@@ -148,6 +152,10 @@
   void rename (fma_forest *);
   void dump_info (fma_forest *);
 
+private:
+  /* Prohibit copy construction.  */
+  fma_node (const fma_node &);
+
 protected:
   /* Root node that lead to this node.  */
   fma_root_node *m_root;
@@ -203,6 +211,9 @@
   void execute_fma_steering ();
 
 private:
+  /* Prohibit copy construction.  */
+  func_fma_steering (const func_fma_steering &);
+
   void dfs (void (*) (fma_forest *), void (*) (fma_forest *, fma_root_node *),
 	    void (*) (fma_forest *, fma_node *), bool);
   void analyze ();
@@ -257,7 +268,7 @@
       if (DEBUG_INSN_P (tmp->insn))
 	continue;
       n_uses++;
-      IOR_COMPL_HARD_REG_SET (*unavailable, reg_class_contents[tmp->cl]);
+      *unavailable |= ~reg_class_contents[tmp->cl];
       super_class = reg_class_superunion[(int) super_class][(int) tmp->cl];
     }
 
@@ -271,7 +282,7 @@
     {
       fprintf (dump_file, "Register %s in insn %d", reg_names[reg],
 	       INSN_UID (head->first->insn));
-      if (head->need_caller_save_reg)
+      if (head->call_abis)
 	fprintf (dump_file, " crosses a call");
     }