diff options
| -rw-r--r-- | simplify.c | 17 |
1 files changed, 17 insertions, 0 deletions
@@ -498,6 +498,23 @@ static inline int replace_binop_value(struct instruction *insn, int op, long lon } /// +// replace binop's opcode and values +// @insn: the instruction to be replaced +// @op: the instruction's new opcode +// @return: REPEAT_CSE +static inline int replace_binop(struct instruction *insn, int op, pseudo_t *pa, pseudo_t a, pseudo_t *pb, pseudo_t b) +{ + pseudo_t olda = *pa; + pseudo_t oldb = *pb; + insn->opcode = op; + use_pseudo(insn, a, pa); + use_pseudo(insn, b, pb); + remove_usage(olda, pa); + remove_usage(oldb, pb); + return REPEAT_CSE; +} + +/// // replace the opcode of an instruction // @return: REPEAT_CSE static inline int replace_opcode(struct instruction *insn, int op) |