expr.c (is_aligning_offset): Check if we are aligning the expressions's address…

expr.c (is_aligning_offset): Check if we are aligning the expressions's address over BIGGEST_ALIGNMENT in...

	* expr.c (is_aligning_offset): Check if we are aligning the
	expressions's address over BIGGEST_ALIGNMENT in bytes, not
	in bits.

From-SVN: r78076

gcc/ChangeLog

+2004-02-19  Olivier Hainque  <hainque@act-europe.fr>
+
+	* expr.c (is_aligning_offset): Check if we are aligning the
+	expressions's address over BIGGEST_ALIGNMENT in bytes, not
+	in bits.
+
 2003-02-18  Matt Austern  <austern@apple.com>
 
 	* gcc.c (LIBGCC_SPEC): If REAL_LIBGCC_SPEC is defined, and

gcc/expr.c

@@ -9088,7 +9088,8 @@ is_aligning_offset (tree offset, tree exp)
      power of 2 and which is larger than BIGGEST_ALIGNMENT.  */
   if (TREE_CODE (offset) != BIT_AND_EXPR
       || !host_integerp (TREE_OPERAND (offset, 1), 1)
-      || compare_tree_int (TREE_OPERAND (offset, 1), BIGGEST_ALIGNMENT) <= 0
+      || compare_tree_int (TREE_OPERAND (offset, 1), 
+			   BIGGEST_ALIGNMENT / BITS_PER_UNIT) <= 0
       || !exact_log2 (tree_low_cst (TREE_OPERAND (offset, 1), 1) + 1) < 0)
     return 0;