Merge in wide-int.

From-SVN: r210113

1 files changed, 21 insertions, 1 deletions

diff --git a/gcc/tree-core.h b/gcc/tree-core.h
index 373a9d6..72ef8e14 100644
--- a/gcc/tree-core.h
+++ b/gcc/tree-core.h
@@ -758,11 +758,31 @@ struct GTY(()) tree_base {
 	 of the field must be large enough to hold addr_space_t values.  */
       unsigned address_space : 8;
     } bits;
+
     /* The following fields are present in tree_base to save space.  The
        nodes using them do not require any of the flags above and so can
        make better use of the 4-byte sized word.  */
+
+    /* The number of HOST_WIDE_INTs in an INTEGER_CST.  */
+    struct {
+      /* The number of HOST_WIDE_INTs if the INTEGER_CST is accessed in
+	 its native precision.  */
+      unsigned char unextended;
+
+      /* The number of HOST_WIDE_INTs if the INTEGER_CST is extended to
+	 wider precisions based on its TYPE_SIGN.  */
+      unsigned char extended;
+
+      /* The number of HOST_WIDE_INTs if the INTEGER_CST is accessed in
+	 offset_int precision, with smaller integers being extended
+	 according to their TYPE_SIGN.  This is equal to one of the two
+	 fields above but is cached for speed.  */
+      unsigned char offset;
+    } int_length;
+
     /* VEC length.  This field is only used with TREE_VEC.  */
     int length;
+
     /* SSA version number.  This field is only used with SSA_NAME.  */
     unsigned int version;
   } GTY((skip(""))) u;
@@ -1051,7 +1071,7 @@ struct GTY(()) tree_common {
 
 struct GTY(()) tree_int_cst {
   struct tree_typed typed;
-  double_int int_cst;
+  HOST_WIDE_INT val[1];
 };