diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 9edaeaf58e8..666c2c00f2e 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,8 @@
+2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	* system-darwin-ppc.ads (ZCX_By_Default): Change to True.
+	(GCC_ZCX_Support): Likewise.
+
 2005-01-11  Bastian Blank  <waldi@debian.org>
 
 	* system-linux-s390.ads: Define Preallocated_Stacks.
diff --git a/gcc/ada/system-darwin-ppc.ads b/gcc/ada/system-darwin-ppc.ads
index 73cbcd35ac4..e36d8052190 100644
--- a/gcc/ada/system-darwin-ppc.ads
+++ b/gcc/ada/system-darwin-ppc.ads
@@ -165,8 +165,8 @@ private
    Support_Long_Shifts       : constant Boolean := True;
    Suppress_Standard_Library : constant Boolean := False;
    Use_Ada_Main_Program_Name : constant Boolean := False;
-   ZCX_By_Default            : constant Boolean := False;
-   GCC_ZCX_Support           : constant Boolean := False;
+   ZCX_By_Default            : constant Boolean := True;
+   GCC_ZCX_Support           : constant Boolean := True;
    Front_End_ZCX_Support     : constant Boolean := False;
 
    --  Obsolete entries, to be removed eventually (bootstrap issues!)