Fix Solaris 9/x86 bootstrap

	* rtl.h (FFS, FLOAT, ABS, PC): Don't undef.
	* system.h (FFS, FLOAT, ABS, PC): Undef.

From-SVN: r191217

gcc/ChangeLog

+2012-09-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* rtl.h (FFS, FLOAT, ABS, PC): Don't undef.
+	* system.h (FFS, FLOAT, ABS, PC): Undef.
+
 2012-09-12  Richard Guenther  <rguenther@suse.de>
 
 	PR middle-end/54553

gcc/rtl.h

@@ -33,11 +33,6 @@ along with GCC; see the file COPYING3.  If not see
 #include "hashtab.h"
 #include "flags.h"
 
-#undef FFS  /* Some systems predefine this symbol; don't let it interfere.  */
-#undef FLOAT /* Likewise.  */
-#undef ABS /* Likewise.  */
-#undef PC /* Likewise.  */
-
 /* Value used by some passes to "recognize" noop moves as valid
  instructions.  */
 #define NOOP_MOVE_INSN_CODE	INT_MAX

gcc/system.h

@@ -638,6 +638,11 @@ extern int vsnprintf(char *, size_t, const char *, va_list);
 /* Get libiberty declarations.  */
 #include "libiberty.h"
 
+#undef FFS  /* Some systems predefine this symbol; don't let it interfere.  */
+#undef FLOAT /* Likewise.  */
+#undef ABS /* Likewise.  */
+#undef PC /* Likewise.  */
+
 /* Provide a default for the HOST_BIT_BUCKET.
    This suffices for POSIX-like hosts.  */