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Fri, 2 Oct 2020 12:12:19 +0000 (UTC) Received: from localhost (ovpn-112-216.ams2.redhat.com [10.36.112.216]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 90A1979981; Fri, 2 Oct 2020 12:12:16 +0000 (UTC) From: Cornelia Huck To: Peter Maydell Subject: [PULL 14/19] s390x/tcg: Implement MULTIPLY (MG, MGRK) Date: Fri, 2 Oct 2020 14:11:13 +0200 Message-Id: <20201002121118.180315-15-cohuck@redhat.com> In-Reply-To: <20201002121118.180315-1-cohuck@redhat.com> References: <20201002121118.180315-1-cohuck@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=cohuck@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=cohuck@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/02 01:13:31 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-s390x@nongnu.org, Cornelia Huck , Richard Henderson , qemu-devel@nongnu.org, David Hildenbrand Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: David Hildenbrand 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(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index e994d32d96bd..13c4ffdaf5b3 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 7ea666b9a7fb..66a3693d128c 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();