diff options
| -rw-r--r-- | target-s390x/fpu_helper.c | 31 | ||||
| -rw-r--r-- | target-s390x/helper.h | 3 | ||||
| -rw-r--r-- | target-s390x/insn-data.def | 4 | ||||
| -rw-r--r-- | target-s390x/translate.c | 25 |
4 files changed, 63 insertions, 0 deletions
diff --git a/target-s390x/fpu_helper.c b/target-s390x/fpu_helper.c index 96eabb6fc2..45b7ddfbe3 100644 --- a/target-s390x/fpu_helper.c +++ b/target-s390x/fpu_helper.c @@ -552,6 +552,37 @@ uint64_t HELPER(clfxb)(CPUS390XState *env, uint64_t h, uint64_t l, uint32_t m3) return ret; } +/* round to integer 32-bit */ +uint64_t HELPER(fieb)(CPUS390XState *env, uint64_t f2, uint32_t m3) +{ + int hold = swap_round_mode(env, m3); + float32 ret = float32_round_to_int(f2, &env->fpu_status); + set_float_rounding_mode(hold, &env->fpu_status); + handle_exceptions(env, GETPC()); + return ret; +} + +/* round to integer 64-bit */ +uint64_t HELPER(fidb)(CPUS390XState *env, uint64_t f2, uint32_t m3) +{ + int hold = swap_round_mode(env, m3); + float64 ret = float64_round_to_int(f2, &env->fpu_status); + set_float_rounding_mode(hold, &env->fpu_status); + handle_exceptions(env, GETPC()); + return ret; +} + +/* round to integer 128-bit */ +uint64_t HELPER(fixb)(CPUS390XState *env, uint64_t ah, uint64_t al, uint32_t m3) +{ + int hold = swap_round_mode(env, m3); + float128 ret = float128_round_to_int(make_float128(ah, al), + &env->fpu_status); + set_float_rounding_mode(hold, &env->fpu_status); + handle_exceptions(env, GETPC()); + return RET128(ret); +} + /* 32-bit FP multiply and add */ uint64_t HELPER(maeb)(CPUS390XState *env, uint64_t f1, uint64_t f2, uint64_t f3) diff --git a/target-s390x/helper.h b/target-s390x/helper.h index e6f2afb44f..cb0b421cd8 100644 --- a/target-s390x/helper.h +++ b/target-s390x/helper.h @@ -60,6 +60,9 @@ DEF_HELPER_FLAGS_4(clgxb, TCG_CALL_NO_WG, i64, env, i64, i64, i32) DEF_HELPER_FLAGS_3(clfeb, TCG_CALL_NO_WG, i64, env, i64, i32) DEF_HELPER_FLAGS_3(clfdb, TCG_CALL_NO_WG, i64, env, i64, i32) DEF_HELPER_FLAGS_4(clfxb, TCG_CALL_NO_WG, i64, env, i64, i64, i32) +DEF_HELPER_FLAGS_3(fieb, TCG_CALL_NO_WG, i64, env, i64, i32) +DEF_HELPER_FLAGS_3(fidb, TCG_CALL_NO_WG, i64, env, i64, i32) +DEF_HELPER_FLAGS_4(fixb, TCG_CALL_NO_WG, i64, env, i64, i64, i32) DEF_HELPER_FLAGS_4(maeb, TCG_CALL_NO_WG, i64, env, i64, i64, i64) DEF_HELPER_FLAGS_4(madb, TCG_CALL_NO_WG, i64, env, i64, i64, i64) DEF_HELPER_FLAGS_4(mseb, TCG_CALL_NO_WG, i64, env, i64, i64, i64) diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def index 83256842a8..a12939de66 100644 --- a/target-s390x/insn-data.def +++ b/target-s390x/insn-data.def @@ -479,6 +479,10 @@ C(0xb29d, LFPC, S, Z, 0, m2_32u, 0, 0, sfpc, 0) /* LOAD FPC AND SIGNAL */ C(0xb2bd, LFAS, S, IEEEE_SIM, 0, m2_32u, 0, 0, sfas, 0) +/* LOAD FP INTEGER */ + C(0xb357, FIEBR, RRF_e, Z, 0, e2, new, e1, fieb, 0) + C(0xb35f, FIDBR, RRF_e, Z, 0, f2_o, f1, 0, fidb, 0) + C(0xb347, FIXBR, RRF_e, Z, 0, x2_o, x1, 0, fixb, 0) /* LOAD LENGTHENED */ C(0xb304, LDEBR, RRE, Z, 0, e2, f1, 0, ldeb, 0) diff --git a/target-s390x/translate.c b/target-s390x/translate.c index c7ebd21ec8..b0dbfe8da7 100644 --- a/target-s390x/translate.c +++ b/target-s390x/translate.c @@ -2116,6 +2116,31 @@ static ExitStatus op_ex(DisasContext *s, DisasOps *o) return NO_EXIT; } +static ExitStatus op_fieb(DisasContext *s, DisasOps *o) +{ + TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); + gen_helper_fieb(o->out, cpu_env, o->in2, m3); + tcg_temp_free_i32(m3); + return NO_EXIT; +} + +static ExitStatus op_fidb(DisasContext *s, DisasOps *o) +{ + TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); + gen_helper_fidb(o->out, cpu_env, o->in2, m3); + tcg_temp_free_i32(m3); + return NO_EXIT; +} + +static ExitStatus op_fixb(DisasContext *s, DisasOps *o) +{ + TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); + gen_helper_fixb(o->out, cpu_env, o->in1, o->in2, m3); + return_low128(o->out2); + tcg_temp_free_i32(m3); + return NO_EXIT; +} + static ExitStatus op_flogr(DisasContext *s, DisasOps *o) { /* We'll use the original input for cc computation, since we get to |