diff options
Diffstat (limited to 'target/s390x')
| -rw-r--r-- | target/s390x/fpu_helper.c | 23 | ||||
| -rw-r--r-- | target/s390x/helper.h | 6 | ||||
| -rw-r--r-- | target/s390x/insn-data.def | 6 | ||||
| -rw-r--r-- | target/s390x/translate.c | 24 |
4 files changed, 44 insertions, 15 deletions
diff --git a/target/s390x/fpu_helper.c b/target/s390x/fpu_helper.c index 906280b..e258f20 100644 --- a/target/s390x/fpu_helper.c +++ b/target/s390x/fpu_helper.c @@ -317,10 +317,14 @@ uint64_t HELPER(ldeb)(CPUS390XState *env, uint64_t f2) } /* convert 128-bit float to 64-bit float */ -uint64_t HELPER(ldxb)(CPUS390XState *env, uint64_t ah, uint64_t al) +uint64_t HELPER(ldxb)(CPUS390XState *env, uint64_t ah, uint64_t al, + uint32_t m34) { + int old_mode = s390_swap_bfp_rounding_mode(env, round_from_m34(m34)); float64 ret = float128_to_float64(make_float128(ah, al), &env->fpu_status); - handle_exceptions(env, false, GETPC()); + + s390_restore_bfp_rounding_mode(env, old_mode); + handle_exceptions(env, xxc_from_m34(m34), GETPC()); return ret; } @@ -341,18 +345,25 @@ uint64_t HELPER(lxeb)(CPUS390XState *env, uint64_t f2) } /* convert 64-bit float to 32-bit float */ -uint64_t HELPER(ledb)(CPUS390XState *env, uint64_t f2) +uint64_t HELPER(ledb)(CPUS390XState *env, uint64_t f2, uint32_t m34) { + int old_mode = s390_swap_bfp_rounding_mode(env, round_from_m34(m34)); float32 ret = float64_to_float32(f2, &env->fpu_status); - handle_exceptions(env, false, GETPC()); + + s390_restore_bfp_rounding_mode(env, old_mode); + handle_exceptions(env, xxc_from_m34(m34), GETPC()); return ret; } /* convert 128-bit float to 32-bit float */ -uint64_t HELPER(lexb)(CPUS390XState *env, uint64_t ah, uint64_t al) +uint64_t HELPER(lexb)(CPUS390XState *env, uint64_t ah, uint64_t al, + uint32_t m34) { + int old_mode = s390_swap_bfp_rounding_mode(env, round_from_m34(m34)); float32 ret = float128_to_float32(make_float128(ah, al), &env->fpu_status); - handle_exceptions(env, false, GETPC()); + + s390_restore_bfp_rounding_mode(env, old_mode); + handle_exceptions(env, xxc_from_m34(m34), GETPC()); return ret; } diff --git a/target/s390x/helper.h b/target/s390x/helper.h index d287d5d..bb65925 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -53,11 +53,11 @@ DEF_HELPER_FLAGS_3(mdb, TCG_CALL_NO_WG, i64, env, i64, i64) DEF_HELPER_FLAGS_5(mxb, TCG_CALL_NO_WG, i64, env, i64, i64, i64, i64) DEF_HELPER_FLAGS_4(mxdb, TCG_CALL_NO_WG, i64, env, i64, i64, i64) DEF_HELPER_FLAGS_2(ldeb, TCG_CALL_NO_WG, i64, env, i64) -DEF_HELPER_FLAGS_3(ldxb, TCG_CALL_NO_WG, i64, env, i64, i64) +DEF_HELPER_FLAGS_4(ldxb, TCG_CALL_NO_WG, i64, env, i64, i64, i32) DEF_HELPER_FLAGS_2(lxdb, TCG_CALL_NO_WG, i64, env, i64) DEF_HELPER_FLAGS_2(lxeb, TCG_CALL_NO_WG, i64, env, i64) -DEF_HELPER_FLAGS_2(ledb, TCG_CALL_NO_WG, i64, env, i64) -DEF_HELPER_FLAGS_3(lexb, TCG_CALL_NO_WG, i64, env, i64, i64) +DEF_HELPER_FLAGS_3(ledb, TCG_CALL_NO_WG, i64, env, i64, i32) +DEF_HELPER_FLAGS_4(lexb, TCG_CALL_NO_WG, i64, env, i64, i64, i32) DEF_HELPER_FLAGS_3(ceb, TCG_CALL_NO_WG_SE, i32, env, i64, i64) DEF_HELPER_FLAGS_3(cdb, TCG_CALL_NO_WG_SE, i32, env, i64, i64) DEF_HELPER_FLAGS_5(cxb, TCG_CALL_NO_WG_SE, i32, env, i64, i64, i64, i64) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index d80d168..61b750a 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -603,9 +603,9 @@ F(0xb324, LDER, RXE, Z, 0, e2, new, f1, lde, 0, IF_AFP1) F(0xed24, LDE, RXE, Z, 0, m2_32u, new, f1, lde, 0, IF_AFP1) /* LOAD ROUNDED */ - F(0xb344, LEDBR, RRE, Z, 0, f2, new, e1, ledb, 0, IF_BFP) - F(0xb345, LDXBR, RRE, Z, x2h, x2l, new, f1, ldxb, 0, IF_BFP) - F(0xb346, LEXBR, RRE, Z, x2h, x2l, new, e1, lexb, 0, IF_BFP) + F(0xb344, LEDBR, RRF_e, Z, 0, f2, new, e1, ledb, 0, IF_BFP) + F(0xb345, LDXBR, RRF_e, Z, x2h, x2l, new, f1, ldxb, 0, IF_BFP) + F(0xb346, LEXBR, RRF_e, Z, x2h, x2l, new, e1, lexb, 0, IF_BFP) /* LOAD MULTIPLE */ C(0x9800, LM, RS_a, Z, 0, a2, 0, 0, lm32, 0) diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 7dc485e..41fb466 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -2805,19 +2805,37 @@ static DisasJumpType op_ldeb(DisasContext *s, DisasOps *o) static DisasJumpType op_ledb(DisasContext *s, DisasOps *o) { - gen_helper_ledb(o->out, cpu_env, o->in2); + TCGv_i32 m34 = fpinst_extract_m34(s, true, true); + + if (!m34) { + return DISAS_NORETURN; + } + gen_helper_ledb(o->out, cpu_env, o->in2, m34); + tcg_temp_free_i32(m34); return DISAS_NEXT; } static DisasJumpType op_ldxb(DisasContext *s, DisasOps *o) { - gen_helper_ldxb(o->out, cpu_env, o->in1, o->in2); + TCGv_i32 m34 = fpinst_extract_m34(s, true, true); + + if (!m34) { + return DISAS_NORETURN; + } + gen_helper_ldxb(o->out, cpu_env, o->in1, o->in2, m34); + tcg_temp_free_i32(m34); return DISAS_NEXT; } static DisasJumpType op_lexb(DisasContext *s, DisasOps *o) { - gen_helper_lexb(o->out, cpu_env, o->in1, o->in2); + TCGv_i32 m34 = fpinst_extract_m34(s, true, true); + + if (!m34) { + return DISAS_NORETURN; + } + gen_helper_lexb(o->out, cpu_env, o->in1, o->in2, m34); + tcg_temp_free_i32(m34); return DISAS_NEXT; } |