diff options
| -rw-r--r-- | target-m68k/translate.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/target-m68k/translate.c b/target-m68k/translate.c index aa09bd418c..f7e6920657 100644 --- a/target-m68k/translate.c +++ b/target-m68k/translate.c @@ -1631,16 +1631,20 @@ DISAS_INSN(move_from_ccr) DISAS_INSN(neg) { - TCGv reg; TCGv src1; + TCGv dest; + TCGv addr; + int opsize; - reg = DREG(insn, 0); - src1 = tcg_temp_new(); - tcg_gen_mov_i32(src1, reg); - tcg_gen_neg_i32(reg, src1); - gen_update_cc_add(reg, src1, OS_LONG); - tcg_gen_setcondi_i32(TCG_COND_NE, QREG_CC_X, src1, 0); - set_cc_op(s, CC_OP_SUBL); + opsize = insn_opsize(insn); + SRC_EA(env, src1, opsize, 1, &addr); + dest = tcg_temp_new(); + tcg_gen_neg_i32(dest, src1); + set_cc_op(s, CC_OP_SUBB + opsize); + gen_update_cc_add(dest, src1, opsize); + tcg_gen_setcondi_i32(TCG_COND_NE, QREG_CC_X, dest, 0); + DEST_EA(env, insn, opsize, dest, &addr); + tcg_temp_free(dest); } static void gen_set_sr_im(DisasContext *s, uint16_t val, int ccr_only) |