Don't run gcc.target/i386/sibcall-1.c on x32 targets

	* gcc.target/i386/sibcall-1.c: Don't run on x32 targets,
	instead of run on ia32 targets.

From-SVN: r217613

gcc/testsuite/ChangeLog

+2014-11-15  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* gcc.target/i386/sibcall-1.c: Don't run on x32 targets,
+	instead of run on ia32 targets.
+
 2014-11-15  Marek Polacek  <polacek@redhat.com>
 
 	PR middle-end/63884

gcc/testsuite/gcc.target/i386/sibcall-1.c

-/* { dg-do compile { target { ia32 && nonpic } } } */
+/* { dg-do compile { target { { ! x32 }  && nonpic } } } */
 /* { dg-options "-O2" } */
 
 extern int (*foo)(int);