1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/target.h b/gcc/target.h
index 1185243..d1642ef 100644
--- a/gcc/target.h
+++ b/gcc/target.h
@@ -872,6 +872,10 @@ struct gcc_target
      but will be later.  */
   void (* instantiate_decls) (void);
 
+  /* Return true if is OK to use a hard register REGNO as scratch register
+     in peephole2.  */
+  bool (* hard_regno_scratch_ok) (unsigned int regno);
+
   /* Functions specific to the C family of frontends.  */
   struct c {
     /* Return machine mode for non-standard suffix