/* Predicate yielding nonzero iff X is a barrier insn. */
#define BARRIER_P(X) (GET_CODE (X) == BARRIER)
-/* Predicate yielding nonzero iff X is cc0. */
-#ifdef HAVE_cc0
-#define CC0_P(X) ((X) == cc0_rtx)
-#else
-#define CC0_P(X) 0
-#endif
-
/* Predicate yielding nonzero iff X is a data for a jump table. */
#define JUMP_TABLE_DATA_P(INSN) \
(JUMP_P (INSN) && (GET_CODE (PATTERN (INSN)) == ADDR_VEC || \