diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ad29de125811..cc16b231d794 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2007-11-28  Ben Elliston  <bje@au.ibm.com>
+
+	* config/rs6000/aix64.opt (maix64): Add Negative(maix32).
+	(maix32): Add Negative(maix64).
+
 2007-11-27  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/34016
diff --git a/gcc/config/rs6000/aix64.opt b/gcc/config/rs6000/aix64.opt
index 162aff45dc18..2ffcff61eb79 100644
--- a/gcc/config/rs6000/aix64.opt
+++ b/gcc/config/rs6000/aix64.opt
@@ -20,11 +20,11 @@
 ; <http://www.gnu.org/licenses/>.
 
 maix64
-Target Report RejectNegative Mask(64BIT)
+Target Report RejectNegative Negative(maix32) Mask(64BIT)
 Compile for 64-bit pointers
 
 maix32
-Target Report RejectNegative InverseMask(64BIT)
+Target Report RejectNegative Negative(maix64) InverseMask(64BIT)
 Compile for 32-bit pointers
 
 mpe