diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index eb59a5e47e944cb542a7d6854423aaae49ac47f7..4f58b58d198757e3764effd53c20efe931bbeff2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+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
diff --git a/gcc/expr.c b/gcc/expr.c
index 223a36b0136f152b33208ed9f767abc3ad41f40b..907d30c4006e593a91932cb60f4be35cb0d43bac 100644
--- a/gcc/expr.c
+++ b/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;