fold-const.c (fold_checksum_tree <case 't'>): Only look at TREE_VALUES if the…

fold-const.c (fold_checksum_tree <case 't'>): Only look at TREE_VALUES if the EXPR is an ENUMERAL_TYPE.

2004-06-13  Andrew Pinski  <pinskia@physics.uc.edu>

        * fold-const.c (fold_checksum_tree <case 't'>): Only
        look at TREE_VALUES if the EXPR is an ENUMERAL_TYPE.
        Only look at TYPE_MIN_VALUE and TYPE_MAX_VALUE if
        EXPR is an INTEGERAL_TYPE or a scalar float type.

From-SVN: r83068

gcc/ChangeLog

+2004-06-13  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	* fold-const.c (fold_checksum_tree <case 't'>): Only
+	look at TREE_VALUES if the EXPR is an ENUMERAL_TYPE.
+	Only look at TYPE_MIN_VALUE and TYPE_MAX_VALUE if
+	EXPR is an INTEGERAL_TYPE or a scalar float type.
+
 2004-06-13  Diego Novillo  <dnovillo@redhat.com>
 
 	* tree-sra.c (tree_sra): Update documentation.

gcc/fold-const.c

@@ -8731,13 +8731,18 @@ fold_checksum_tree (tree expr, struct md5_ctx *ctx, htab_t ht)
       fold_checksum_tree (DECL_VINDEX (expr), ctx, ht);
       break;
     case 't':
-      fold_checksum_tree (TYPE_VALUES (expr), ctx, ht);
+      if (TREE_CODE (expr) == ENUMERAL_TYPE)
+        fold_checksum_tree (TYPE_VALUES (expr), ctx, ht);
       fold_checksum_tree (TYPE_SIZE (expr), ctx, ht);
       fold_checksum_tree (TYPE_SIZE_UNIT (expr), ctx, ht);
       fold_checksum_tree (TYPE_ATTRIBUTES (expr), ctx, ht);
       fold_checksum_tree (TYPE_NAME (expr), ctx, ht);
-      fold_checksum_tree (TYPE_MIN_VALUE (expr), ctx, ht);
-      fold_checksum_tree (TYPE_MAX_VALUE (expr), ctx, ht);
+      if (INTEGRAL_TYPE_P (expr)
+          || SCALAR_FLOAT_TYPE_P (expr))
+	{
+	  fold_checksum_tree (TYPE_MIN_VALUE (expr), ctx, ht);
+	  fold_checksum_tree (TYPE_MAX_VALUE (expr), ctx, ht);
+	}
       fold_checksum_tree (TYPE_MAIN_VARIANT (expr), ctx, ht);
       fold_checksum_tree (TYPE_BINFO (expr), ctx, ht);
       fold_checksum_tree (TYPE_CONTEXT (expr), ctx, ht);