From fa5e82ccb4ffb9bd6c0fa98636679dad07e9a91f Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Mon, 28 Sep 2020 14:27:12 +0200 Subject: s390x/tcg: Implement MULTIPLY (MG, MGRK) Multiply two signed 64bit values and store the 128bit result in r1 (0-63) and r1 + 1 (64-127). Signed-off-by: David Hildenbrand Reviewed-by: Richard Henderson Message-Id: <20200928122717.30586-5-david@redhat.com> Signed-off-by: Cornelia Huck --- target/s390x/insn-data.def | 2 ++ target/s390x/translate.c | 13 +++++++++++++ 2 files changed, 15 insertions(+) (limited to 'target') diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index e994d32d96..13c4ffdaf5 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -653,8 +653,10 @@ /* MULTIPLY */ C(0x1c00, MR, RR_a, Z, r1p1_32s, r2_32s, new, r1_D32, mul, 0) + C(0xb9ec, MGRK, RRF_a, MIE2,r3_o, r2_o, r1_P, 0, muls128, 0) C(0x5c00, M, RX_a, Z, r1p1_32s, m2_32s, new, r1_D32, mul, 0) C(0xe35c, MFY, RXY_a, GIE, r1p1_32s, m2_32s, new, r1_D32, mul, 0) + C(0xe384, MG, RXY_a, MIE2,r1p1_o, m2_64, r1_P, 0, muls128, 0) F(0xb317, MEEBR, RRE, Z, e1, e2, new, e1, meeb, 0, IF_BFP) F(0xb31c, MDBR, RRE, Z, f1, f2, new, f1, mdb, 0, IF_BFP) F(0xb34c, MXBR, RRE, Z, x2h, x2l, x1, x1, mxb, 0, IF_BFP) diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 7ea666b9a7..66a3693d12 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -3539,6 +3539,12 @@ static DisasJumpType op_mul128(DisasContext *s, DisasOps *o) return DISAS_NEXT; } +static DisasJumpType op_muls128(DisasContext *s, DisasOps *o) +{ + tcg_gen_muls2_i64(o->out2, o->out, o->in1, o->in2); + return DISAS_NEXT; +} + static DisasJumpType op_meeb(DisasContext *s, DisasOps *o) { gen_helper_meeb(o->out, cpu_env, o->in1, o->in2); @@ -5563,6 +5569,13 @@ static void in1_r1p1(DisasContext *s, DisasOps *o) } #define SPEC_in1_r1p1 SPEC_r1_even +static void in1_r1p1_o(DisasContext *s, DisasOps *o) +{ + o->in1 = regs[get_field(s, r1) + 1]; + o->g_in1 = true; +} +#define SPEC_in1_r1p1_o SPEC_r1_even + static void in1_r1p1_32s(DisasContext *s, DisasOps *o) { o->in1 = tcg_temp_new_i64(); -- cgit v1.2.3-55-g7522