diff options
| -rw-r--r-- | target/i386/tcg/translate.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 8bc91c3de3..7a3caf8b99 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -1338,6 +1338,7 @@ static void do_gen_rep(DisasContext *s, MemOp ot, bool is_repz_nz) { TCGLabel *done = gen_new_label(); + target_ulong cx_mask = MAKE_64BIT_MASK(0, 8 << s->aflag); bool had_rf = s->flags & HF_RF_MASK; /* @@ -1360,7 +1361,7 @@ static void do_gen_rep(DisasContext *s, MemOp ot, tcg_set_insn_start_param(s->base.insn_start, 1, CC_OP_DYNAMIC); /* Any iteration at all? */ - gen_op_jz_ecx(s, done); + tcg_gen_brcondi_tl(TCG_COND_TSTEQ, cpu_regs[R_ECX], cx_mask, done); fn(s, ot); gen_op_add_reg_im(s, s->aflag, R_ECX, -1); |