Signed-off-by: Laurent Vivier <laur...@vivier.eu>
Reviewed-by: Richard Henderson <r...@twiddle.net>
---
target-m68k/translate.c | 20 ++++++++++++--------
1 file changed, 12 insertions(+), 8 deletions(-)
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 27bde2e..383709d 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)
--
2.7.4
