diff options
Diffstat (limited to 'target/rx')
| -rw-r--r-- | target/rx/translate.c | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/target/rx/translate.c b/target/rx/translate.c index 998e6e0..c47aa26 100644 --- a/target/rx/translate.c +++ b/target/rx/translate.c @@ -967,14 +967,13 @@ static bool trans_NEG_rr(DisasContext *ctx, arg_NEG_rr *a) /* ret = arg1 + arg2 + psw_c */ static void rx_adc(TCGv ret, TCGv arg1, TCGv arg2) { - TCGv z; - z = tcg_const_i32(0); + TCGv z = tcg_constant_i32(0); tcg_gen_add2_i32(cpu_psw_s, cpu_psw_c, arg1, z, cpu_psw_c, z); tcg_gen_add2_i32(cpu_psw_s, cpu_psw_c, cpu_psw_s, cpu_psw_c, arg2, z); - tcg_gen_mov_i32(cpu_psw_z, cpu_psw_s); tcg_gen_xor_i32(cpu_psw_o, cpu_psw_s, arg1); - tcg_gen_xor_i32(z, arg1, arg2); - tcg_gen_andc_i32(cpu_psw_o, cpu_psw_o, z); + tcg_gen_xor_i32(cpu_psw_z, arg1, arg2); + tcg_gen_andc_i32(cpu_psw_o, cpu_psw_o, cpu_psw_z); + tcg_gen_mov_i32(cpu_psw_z, cpu_psw_s); tcg_gen_mov_i32(ret, cpu_psw_s); } @@ -1006,13 +1005,12 @@ static bool trans_ADC_mr(DisasContext *ctx, arg_ADC_mr *a) /* ret = arg1 + arg2 */ static void rx_add(TCGv ret, TCGv arg1, TCGv arg2) { - TCGv z; - z = tcg_const_i32(0); + TCGv z = tcg_constant_i32(0); tcg_gen_add2_i32(cpu_psw_s, cpu_psw_c, arg1, z, arg2, z); - tcg_gen_mov_i32(cpu_psw_z, cpu_psw_s); tcg_gen_xor_i32(cpu_psw_o, cpu_psw_s, arg1); - tcg_gen_xor_i32(z, arg1, arg2); - tcg_gen_andc_i32(cpu_psw_o, cpu_psw_o, z); + tcg_gen_xor_i32(cpu_psw_z, arg1, arg2); + tcg_gen_andc_i32(cpu_psw_o, cpu_psw_o, cpu_psw_z); + tcg_gen_mov_i32(cpu_psw_z, cpu_psw_s); tcg_gen_mov_i32(ret, cpu_psw_s); } @@ -1042,23 +1040,23 @@ static bool trans_ADD_rrr(DisasContext *ctx, arg_ADD_rrr *a) /* ret = arg1 - arg2 */ static void rx_sub(TCGv ret, TCGv arg1, TCGv arg2) { - TCGv temp; tcg_gen_sub_i32(cpu_psw_s, arg1, arg2); - tcg_gen_mov_i32(cpu_psw_z, cpu_psw_s); tcg_gen_setcond_i32(TCG_COND_GEU, cpu_psw_c, arg1, arg2); tcg_gen_xor_i32(cpu_psw_o, cpu_psw_s, arg1); - temp = tcg_temp_new_i32(); - tcg_gen_xor_i32(temp, arg1, arg2); - tcg_gen_and_i32(cpu_psw_o, cpu_psw_o, temp); + tcg_gen_xor_i32(cpu_psw_z, arg1, arg2); + tcg_gen_and_i32(cpu_psw_o, cpu_psw_o, cpu_psw_z); + tcg_gen_mov_i32(cpu_psw_z, cpu_psw_s); /* CMP not required return */ if (ret) { tcg_gen_mov_i32(ret, cpu_psw_s); } } + static void rx_cmp(TCGv dummy, TCGv arg1, TCGv arg2) { rx_sub(NULL, arg1, arg2); } + /* ret = arg1 - arg2 - !psw_c */ /* -> ret = arg1 + ~arg2 + psw_c */ static void rx_sbb(TCGv ret, TCGv arg1, TCGv arg2) |