diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b3c2ae9c53e..1f8a2501dc8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
+
+	* config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
+	alignment on fido.
+
 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
 
 	* config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
diff --git a/gcc/config/m68k/m68k.h b/gcc/config/m68k/m68k.h
index a6c347d80fc..1ce313f2482 100644
--- a/gcc/config/m68k/m68k.h
+++ b/gcc/config/m68k/m68k.h
@@ -289,8 +289,9 @@ Boston, MA 02110-1301, USA.  */
 #define STACK_BOUNDARY 16
 #define FUNCTION_BOUNDARY 16
 #define EMPTY_FIELD_BOUNDARY 16
-/* ColdFire strongly prefers a 32-bit aligned stack.  */
-#define PREFERRED_STACK_BOUNDARY (TARGET_COLDFIRE ? 32 : 16)
+/* ColdFire and fido strongly prefer a 32-bit aligned stack.  */
+#define PREFERRED_STACK_BOUNDARY \
+  ((TARGET_COLDFIRE || TARGET_FIDOA) ? 32 : 16)
 
 /* No data type wants to be aligned rounder than this.
    Most published ABIs say that ints should be aligned on 16-bit