cselib.c (struct cselib_val_struct): Make val_rtx its own field, remove the union that contained it.

	* cselib.c (struct cselib_val_struct): Make val_rtx its
	own field, remove the union that contained it.
	* cselib.c: Update accordingly where necessary.

From-SVN: r119994

1 files changed, 4 insertions, 7 deletions

diff --git a/gcc/cselib.h b/gcc/cselib.h
index 7209443..47bcb99 100644
--- a/gcc/cselib.h
+++ b/gcc/cselib.h
@@ -24,17 +24,14 @@ typedef struct cselib_val_struct GTY(())
 {
   /* The hash value.  */
   unsigned int value;
-  union cselib_val_u
-  {
-    /* A VALUE rtx that points back to this structure.  */
-    rtx GTY ((tag ("1"))) val_rtx;
-    /* Used to keep a list of free cselib_val structures.  */
-    struct cselib_val_struct * GTY ((skip)) next_free;
-  } GTY ((desc ("1"))) u;
+
+  /* A VALUE rtx that points back to this structure.  */
+  rtx val_rtx;
 
   /* All rtl expressions that hold this value at the current time during a
      scan.  */
   struct elt_loc_list *locs;
+
   /* If this value is used as an address, points to a list of values that
      use it as an address in a MEM.  */
   struct elt_list *addr_list;