Re: [Qemu-devel] [PATCH 47/52] target-m68k: add addressing modes to neg

[Richard Henderson]

On 05/04/2016 11:21 AM, Laurent Vivier wrote:

Signed-off-by: Laurent Vivier 
---
 target-m68k/translate.c | 20 
 1 file changed, 12 insertions(+), 8 deletions(-)


Reviewed-by: Richard Henderson 


r~

[Qemu-devel] [PATCH 47/52] target-m68k: add addressing modes to neg

[Laurent Vivier]

Signed-off-by: Laurent Vivier 
---
 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 2b6ba15..bd7394f 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -2194,16 +2194,20 @@ 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);
-tcg_gen_setcondi_i32(TCG_COND_NE, QREG_CC_X, src1, 0);
-set_cc_op(s, CC_OP_SUB);
+opsize = insn_opsize(insn);
+SRC_EA(env, src1, opsize, 1, );
+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, );
+tcg_temp_free(dest);
 }
 
 static void gen_set_sr_im(DisasContext *s, uint16_t val, int ccr_only)
-- 
2.5.5