diff options
Diffstat (limited to 'target-sh4/translate.c')
| -rw-r--r-- | target-sh4/translate.c | 36 |
1 files changed, 34 insertions, 2 deletions
diff --git a/target-sh4/translate.c b/target-sh4/translate.c index 92f9b462ff..41a1f228c7 100644 --- a/target-sh4/translate.c +++ b/target-sh4/translate.c @@ -781,7 +781,23 @@ static void _decode_opc(DisasContext * ctx) } return; case 0x300f: /* addv Rm,Rn */ - gen_helper_addv(REG(B11_8), cpu_env, REG(B7_4), REG(B11_8)); + { + TCGv t0, t1, t2; + t0 = tcg_temp_new(); + tcg_gen_add_i32(t0, REG(B7_4), REG(B11_8)); + t1 = tcg_temp_new(); + tcg_gen_xor_i32(t1, t0, REG(B11_8)); + t2 = tcg_temp_new(); + tcg_gen_xor_i32(t2, REG(B7_4), REG(B11_8)); + tcg_gen_andc_i32(t1, t1, t2); + tcg_temp_free(t2); + tcg_gen_shri_i32(t1, t1, 31); + tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_T); + tcg_gen_or_i32(cpu_sr, cpu_sr, t1); + tcg_temp_free(t1); + tcg_gen_mov_i32(REG(B7_4), t0); + tcg_temp_free(t0); + } return; case 0x2009: /* and Rm,Rn */ tcg_gen_and_i32(REG(B11_8), REG(B11_8), REG(B7_4)); @@ -1050,7 +1066,23 @@ static void _decode_opc(DisasContext * ctx) } return; case 0x300b: /* subv Rm,Rn */ - gen_helper_subv(REG(B11_8), cpu_env, REG(B7_4), REG(B11_8)); + { + TCGv t0, t1, t2; + t0 = tcg_temp_new(); + tcg_gen_sub_i32(t0, REG(B11_8), REG(B7_4)); + t1 = tcg_temp_new(); + tcg_gen_xor_i32(t1, t0, REG(B7_4)); + t2 = tcg_temp_new(); + tcg_gen_xor_i32(t2, REG(B11_8), REG(B7_4)); + tcg_gen_and_i32(t1, t1, t2); + tcg_temp_free(t2); + tcg_gen_shri_i32(t1, t1, 31); + tcg_gen_andi_i32(cpu_sr, cpu_sr, ~SR_T); + tcg_gen_or_i32(cpu_sr, cpu_sr, t1); + tcg_temp_free(t1); + tcg_gen_mov_i32(REG(B11_8), t0); + tcg_temp_free(t0); + } return; case 0x2008: /* tst Rm,Rn */ { |