diff options
| -rw-r--r-- | target/hppa/translate.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/target/hppa/translate.c b/target/hppa/translate.c index f875d76a23..2cb91956da 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -967,11 +967,22 @@ static DisasCond do_unit_cond(unsigned cf, bool d, TCGv_i64 res, switch (cf >> 1) { case 0: /* never / TR */ - case 1: /* undefined */ - case 5: /* undefined */ cond = cond_make_f(); break; + case 1: /* SBW / NBW */ + if (d) { + tmp = tcg_temp_new_i64(); + tcg_gen_subi_i64(tmp, res, d_repl * 0x00000001u); + tcg_gen_andc_i64(tmp, tmp, res); + tcg_gen_andi_i64(tmp, tmp, d_repl * 0x80000000u); + cond = cond_make_0(TCG_COND_NE, tmp); + } else { + /* undefined */ + cond = cond_make_f(); + } + break; + case 2: /* SBZ / NBZ */ /* See hasless(v,1) from * https://graphics.stanford.edu/~seander/bithacks.html#ZeroInWord @@ -996,6 +1007,16 @@ static DisasCond do_unit_cond(unsigned cf, bool d, TCGv_i64 res, cond = cond_make_0(TCG_COND_NE, cb); break; + case 5: /* SWC / NWC */ + if (d) { + tcg_gen_andi_i64(cb, cb, d_repl * 0x80000000u); + cond = cond_make_0(TCG_COND_NE, cb); + } else { + /* undefined */ + cond = cond_make_f(); + } + break; + case 6: /* SBC / NBC */ tcg_gen_andi_i64(cb, cb, d_repl * 0x80808080u); cond = cond_make_0(TCG_COND_NE, cb); |