diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 266ce0d190d..5af7fb69356 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-02-22  DJ Delorie  <dj@redhat.com>
+
+	* c-common.c (c_common_type_for_mode): Pass the mode's precision
+	to make_[un]signed_type, not the mode itself.
+
 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* cfg.c (cached_make_edge): Call make_edge if edge cache is
diff --git a/gcc/c-common.c b/gcc/c-common.c
index a4dfdd84136..39868e88659 100644
--- a/gcc/c-common.c
+++ b/gcc/c-common.c
@@ -1606,10 +1606,14 @@ c_common_type_for_mode (enum machine_mode mode, int unsignedp)
     return void_type_node;
 
   if (mode == TYPE_MODE (build_pointer_type (char_type_node)))
-    return unsignedp ? make_unsigned_type (mode) : make_signed_type (mode);
+    return (unsignedp
+	    ? make_unsigned_type (GET_MODE_PRECISION (mode))
+	    : make_signed_type (GET_MODE_PRECISION (mode)));
 
   if (mode == TYPE_MODE (build_pointer_type (integer_type_node)))
-    return unsignedp ? make_unsigned_type (mode) : make_signed_type (mode);
+    return (unsignedp
+	    ? make_unsigned_type (GET_MODE_PRECISION (mode))
+	    : make_signed_type (GET_MODE_PRECISION (mode)));
 
   if (COMPLEX_MODE_P (mode))
     {