Add trailing_wide_ints and use it for range_info_def.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/wide-int@205493 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 12 insertions, 13 deletions

diff --git a/gcc/tree-ssanames.h b/gcc/tree-ssanames.h
index ff4f85adf26..23c988cb2a2 100644
--- a/gcc/tree-ssanames.h
+++ b/gcc/tree-ssanames.h
@@ -47,13 +47,12 @@ struct GTY(()) ptr_info_def
 
 /* Value range information for SSA_NAMEs representing non-pointer variables.  */
 
-struct GTY (()) range_info_def {
-  /* Minimum for value range.  */
-  widest_int min;
-  /* Maximum for value range.  */
-  widest_int max;
-  /* Non-zero bits - bits not set are guaranteed to be always zero.  */
-  widest_int nonzero_bits;
+struct GTY ((variable_size)) range_info_def {
+  /* Minimum, maximum and nonzero bits.  */
+  TRAILING_WIDE_INT_ACCESSOR (min, ints, 0)
+  TRAILING_WIDE_INT_ACCESSOR (max, ints, 1)
+  TRAILING_WIDE_INT_ACCESSOR (nonzero_bits, ints, 2)
+  trailing_wide_ints <3> ints;
 };
 
 
@@ -70,13 +69,13 @@ struct GTY (()) range_info_def {
 enum value_range_type { VR_UNDEFINED, VR_RANGE, VR_ANTI_RANGE, VR_VARYING };
 
 /* Sets the value range to SSA.  */
-extern void set_range_info (tree, enum value_range_type, const widest_int &,
-			    const widest_int &);
+extern void set_range_info (tree, enum value_range_type, const wide_int_ref &,
+			    const wide_int_ref &);
 /* Gets the value range from SSA.  */
-extern enum value_range_type get_range_info (const_tree, widest_int *,
-					     widest_int *);
-extern void set_nonzero_bits (tree, const widest_int &);
-extern widest_int get_nonzero_bits (const_tree);
+extern enum value_range_type get_range_info (const_tree, wide_int *,
+					     wide_int *);
+extern void set_nonzero_bits (tree, const wide_int_ref &);
+extern wide_int get_nonzero_bits (const_tree);
 extern void init_ssanames (struct function *, int);
 extern void fini_ssanames (void);
 extern void ssanames_print_statistics (void);