diff options
Diffstat (limited to 'target/s390x')
| -rw-r--r-- | target/s390x/cc_helper.c | 32 | ||||
| -rw-r--r-- | target/s390x/helper.c | 2 | ||||
| -rw-r--r-- | target/s390x/insn-data.def | 4 | ||||
| -rw-r--r-- | target/s390x/internal.h | 2 | ||||
| -rw-r--r-- | target/s390x/translate.c | 19 |
5 files changed, 59 insertions, 0 deletions
diff --git a/target/s390x/cc_helper.c b/target/s390x/cc_helper.c index 44731e4..5432aee 100644 --- a/target/s390x/cc_helper.c +++ b/target/s390x/cc_helper.c @@ -417,6 +417,32 @@ static uint32_t cc_calc_vc(uint64_t low, uint64_t high) } } +static uint32_t cc_calc_muls_32(int64_t res) +{ + const int64_t tmp = res >> 31; + + if (!res) { + return 0; + } else if (tmp && tmp != -1) { + return 3; + } else if (res < 0) { + return 1; + } + return 2; +} + +static uint64_t cc_calc_muls_64(int64_t res_high, uint64_t res_low) +{ + if (!res_high && !res_low) { + return 0; + } else if (res_high + (res_low >> 63) != 0) { + return 3; + } else if (res_high < 0) { + return 1; + } + return 2; +} + static uint32_t do_calc_cc(CPUS390XState *env, uint32_t cc_op, uint64_t src, uint64_t dst, uint64_t vr) { @@ -484,6 +510,9 @@ static uint32_t do_calc_cc(CPUS390XState *env, uint32_t cc_op, case CC_OP_COMP_64: r = cc_calc_comp_64(dst); break; + case CC_OP_MULS_64: + r = cc_calc_muls_64(src, dst); + break; case CC_OP_ADD_32: r = cc_calc_add_32(src, dst, vr); @@ -512,6 +541,9 @@ static uint32_t do_calc_cc(CPUS390XState *env, uint32_t cc_op, case CC_OP_COMP_32: r = cc_calc_comp_32(dst); break; + case CC_OP_MULS_32: + r = cc_calc_muls_32(dst); + break; case CC_OP_ICM: r = cc_calc_icm(src, dst); diff --git a/target/s390x/helper.c b/target/s390x/helper.c index 9257d38..b877690 100644 --- a/target/s390x/helper.c +++ b/target/s390x/helper.c @@ -430,6 +430,8 @@ const char *cc_name(enum cc_op cc_op) [CC_OP_FLOGR] = "CC_OP_FLOGR", [CC_OP_LCBB] = "CC_OP_LCBB", [CC_OP_VC] = "CC_OP_VC", + [CC_OP_MULS_32] = "CC_OP_MULS_32", + [CC_OP_MULS_64] = "CC_OP_MULS_64", }; return cc_names[cc_op]; diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 3322e5f..fc83a6e 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -682,11 +682,15 @@ C(0xe386, MLG, RXY_a, Z, r1p1, m2_64, r1_P, 0, mul128, 0) /* MULTIPLY SINGLE */ C(0xb252, MSR, RRE, Z, r1_o, r2_o, new, r1_32, mul, 0) + C(0xb9fd, MSRKC, RRF_a, MIE2,r3_32s, r2_32s, new, r1_32, mul, muls32) C(0x7100, MS, RX_a, Z, r1_o, m2_32s, new, r1_32, mul, 0) C(0xe351, MSY, RXY_a, LD, r1_o, m2_32s, new, r1_32, mul, 0) + C(0xe353, MSC, RXY_a, MIE2,r1_32s, m2_32s, new, r1_32, mul, muls32) C(0xb90c, MSGR, RRE, Z, r1_o, r2_o, r1, 0, mul, 0) + C(0xb9ed, MSGRKC, RRF_a, MIE2,r3_o, r2_o, new_P, out2_r1, muls128, muls64) C(0xb91c, MSGFR, RRE, Z, r1_o, r2_32s, r1, 0, mul, 0) C(0xe30c, MSG, RXY_a, Z, r1_o, m2_64, r1, 0, mul, 0) + C(0xe383, MSGC, RXY_a, MIE2,r1_o, m2_64, new_P, out2_r1, muls128, muls64) C(0xe31c, MSGF, RXY_a, Z, r1_o, m2_32s, r1, 0, mul, 0) /* MULTIPLY SINGLE IMMEDIATE */ C(0xc201, MSFI, RIL_a, GIE, r1_o, i2, new, r1_32, mul, 0) diff --git a/target/s390x/internal.h b/target/s390x/internal.h index bac0d3c..6460266 100644 --- a/target/s390x/internal.h +++ b/target/s390x/internal.h @@ -175,6 +175,7 @@ enum cc_op { CC_OP_SUBB_64, /* overflow on unsigned sub-borrow (64bit) */ CC_OP_ABS_64, /* sign eval on abs (64bit) */ CC_OP_NABS_64, /* sign eval on nabs (64bit) */ + CC_OP_MULS_64, /* overflow on signed multiply (64bit) */ CC_OP_ADD_32, /* overflow on add (32bit) */ CC_OP_ADDU_32, /* overflow on unsigned add (32bit) */ @@ -184,6 +185,7 @@ enum cc_op { CC_OP_SUBB_32, /* overflow on unsigned sub-borrow (32bit) */ CC_OP_ABS_32, /* sign eval on abs (64bit) */ CC_OP_NABS_32, /* sign eval on nabs (64bit) */ + CC_OP_MULS_32, /* overflow on signed multiply (32bit) */ CC_OP_COMP_32, /* complement */ CC_OP_COMP_64, /* complement */ diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 27fb7af..bcc6589 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -646,6 +646,7 @@ static void gen_op_calc_cc(DisasContext *s) case CC_OP_NZ_F64: case CC_OP_FLOGR: case CC_OP_LCBB: + case CC_OP_MULS_32: /* 1 argument */ gen_helper_calc_cc(cc_op, cpu_env, local_cc_op, dummy, cc_dst, dummy); break; @@ -660,6 +661,7 @@ static void gen_op_calc_cc(DisasContext *s) case CC_OP_SLA_64: case CC_OP_NZ_F128: case CC_OP_VC: + case CC_OP_MULS_64: /* 2 arguments */ gen_helper_calc_cc(cc_op, cpu_env, local_cc_op, cc_src, cc_dst, dummy); break; @@ -5310,6 +5312,17 @@ static void cout_tm64(DisasContext *s, DisasOps *o) gen_op_update2_cc_i64(s, CC_OP_TM_64, o->in1, o->in2); } +static void cout_muls32(DisasContext *s, DisasOps *o) +{ + gen_op_update1_cc_i64(s, CC_OP_MULS_32, o->out); +} + +static void cout_muls64(DisasContext *s, DisasOps *o) +{ + /* out contains "high" part, out2 contains "low" part of 128 bit result */ + gen_op_update2_cc_i64(s, CC_OP_MULS_64, o->out, o->out2); +} + /* ====================================================================== */ /* The "PREParation" generators. These initialize the DisasOps.OUT fields with the TCG register to which we will write. Used in combination with @@ -5365,6 +5378,12 @@ static void wout_r1(DisasContext *s, DisasOps *o) } #define SPEC_wout_r1 0 +static void wout_out2_r1(DisasContext *s, DisasOps *o) +{ + store_reg(get_field(s, r1), o->out2); +} +#define SPEC_wout_out2_r1 0 + static void wout_r1_8(DisasContext *s, DisasOps *o) { int r1 = get_field(s, r1); |