};
typedef struct du_head *du_head_p;
-DEF_VEC_P (du_head_p);
-DEF_VEC_ALLOC_P (du_head_p, heap);
/* This struct describes a single occurrence of a register. */
struct du_chain
operand_rr_info *op_info;
} insn_rr_info;
-DEF_VEC_O (insn_rr_info);
-DEF_VEC_ALLOC_O (insn_rr_info, heap);
-extern VEC(insn_rr_info, heap) *insn_rr;
+extern vec<insn_rr_info> insn_rr;
extern void regrename_init (bool);
extern void regrename_finish (void);