cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_ just for 32-bit case.

2009-07-12  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
	just for 32-bit case.

From-SVN: r149532

gcc/ChangeLog

+2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
+
+	* config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
+	just for 32-bit case.
+
 2009-07-12  Jan Hubicka  <jh@suse.cz>
 
 	PR tree-optimization/40585

gcc/config/i386/cygming.h

@@ -73,7 +73,8 @@ along with GCC; see the file COPYING3.  If not see
 #define TARGET_OS_CPP_BUILTINS()					\
   do									\
     {									\
-	builtin_define ("_X86_=1");					\
+	if (!TARGET_64BIT)						\
+	  builtin_define ("_X86_=1");					\
 	builtin_assert ("system=winnt");				\
 	builtin_define ("__stdcall=__attribute__((__stdcall__))");	\
 	builtin_define ("__fastcall=__attribute__((__fastcall__))");	\