fibheap.h (struct fibnode): Only use unsigned long bitfields when __GNUC__ is…

fibheap.h (struct fibnode): Only use unsigned long bitfields when __GNUC__ is defined and ints are less...

[include]
	* fibheap.h (struct fibnode): Only use unsigned long bitfields
	when __GNUC__ is defined and ints are less than 32-bits wide.
[libiberty]
	* configure.ac: Invoke AC_CHECK_SIZEOF for sizeof (int).
	* configure: Regenerate.
	* config.in: Likewise.

From-SVN: r92009

include/ChangeLog

+2004-12-11  Ben Elliston  <bje@au.ibm.com>
+
+	* fibheap.h (struct fibnode): Only use unsigned long bitfields
+	when __GNUC__ is defined and ints are less than 32-bits wide.
+
 2004-10-07  Bob Wilson  <bob.wilson@acm.org>
 
 	* xtensa-config.h (XSHAL_USE_ABSOLUTE_LITERALS,

include/fibheap.h

@@ -59,7 +59,7 @@ typedef struct fibnode
   struct fibnode *right;
   fibheapkey_t key;
   void *data;
-#ifdef __GNUC__
+#if defined (__GNUC__) && (!defined (SIZEOF_INT) || SIZEOF_INT < 4)
   __extension__ unsigned long int degree : 31;
   __extension__ unsigned long int mark : 1;
 #else

libiberty/ChangeLog

+2004-12-11  Ben Elliston  <bje@au.ibm.com>
+
+	* configure.ac: Invoke AC_CHECK_SIZEOF for sizeof (int).
+	* configure: Regenerate.
+	* config.in: Likewise.
+
 2004-12-07  DJ Delorie  <dj@redhat.com>
 
 	* splay-tree.c (splay_tree_delete_helper): Redesign the logic so

libiberty/config.in

@@ -341,6 +341,9 @@
 /* Define to the version of this package. */
 #undef PACKAGE_VERSION
 
+/* The size of a `int', as computed by sizeof. */
+#undef SIZEOF_INT
+
 /* Define if you know the direction of stack growth for your system; otherwise
    it will be automatically deduced at run-time. STACK_DIRECTION > 0 => grows
    toward higher addresses STACK_DIRECTION < 0 => grows toward lower addresses

libiberty/configure.ac

@@ -165,6 +165,9 @@ AC_HEADER_TIME
 
 libiberty_AC_DECLARE_ERRNO
 
+# Determine the size of an int for struct fibnode.
+AC_CHECK_SIZEOF([int])
+
 AC_CHECK_TYPE(uintptr_t, unsigned long)
 
 # Look for a 64-bit type.