diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index ecb1207d268fc256262bfb7173e42dfc15aac05e..bebcb4af51dbc28aa972df83ee7a5dedc7736032 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,9 +1,13 @@
+2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* gcc-interface/misc.c (gnat_post_options): Turn off warn_psabi.
+
 2009-02-16  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gcc-interface/deftarg.c: Remove.
 
 2009-02-10  Olivier Hainque  <hainque@adacore.com>
-            Eric Botcazou  <ebotcazou@adacore.com>
+	    Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gcc-interface/decl.c (enum alias_set_op): New enumeration.
 	(copy_alias_set): Rename into...
@@ -138,7 +142,7 @@
 	* gcc-interface/Makefile.in (*86-solaris2*): Support x86_64 multilib.
 
 2008-11-07  Bechir Zalila  <bechir.zalila@gmail.com>
-            Eric Botcazou  <ebotcazou@adacore.com>
+	    Eric Botcazou  <ebotcazou@adacore.com>
 
 	PR ada/34289
 	* lib.ads: (Enable_Switch_Storing): Declare.
diff --git a/gcc/ada/gcc-interface/misc.c b/gcc/ada/gcc-interface/misc.c
index 3026e9057b930f44140ce98a83f62dd473a5284b..79f1805c78249fcb0dc11287300ea69de1cc737b 100644
--- a/gcc/ada/gcc-interface/misc.c
+++ b/gcc/ada/gcc-interface/misc.c
@@ -340,6 +340,9 @@ gnat_post_options (const char **pfilename ATTRIBUTE_UNUSED)
   /* ??? The warning machinery is outsmarted by Ada.  */
   warn_unused_parameter = 0;
 
+  /* No psABI change warnings for Ada.  */
+  warn_psabi = 0;
+
   /* Force eliminate_unused_debug_types to 0 unless an explicit positive
      -f has been passed.  This forces the default to 0 for Ada, which might
      differ from the common default.  */