From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:39199) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hMCRD-0001IE-SG for qemu-devel@nongnu.org; Thu, 02 May 2019 10:11:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hMCRC-0007c7-V4 for qemu-devel@nongnu.org; Thu, 02 May 2019 10:11:51 -0400 From: David Hildenbrand Date: Thu, 2 May 2019 16:10:16 +0200 Message-Id: <20190502141019.6385-38-david@redhat.com> In-Reply-To: <20190502141019.6385-1-david@redhat.com> References: <20190502141019.6385-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH v3 37/40] s390x/tcg: Implement VECTOR SUM ACROSS DOUBLEWORD List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: qemu-s390x@nongnu.org, Thomas Huth , Cornelia Huck , Richard Henderson , David Hildenbrand , Richard Henderson Perform the calculations without a helper. Only 16 bit or 32 bit values have to be added. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 29 +++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index a8d90517f6..dd37003082 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1182,6 +1182,8 @@ F(0xe7bf, VSBI, VRR_d, V, 0, 0, 0, 0, vsbi, 0, IF_VEC) /* VECTOR SUBTRACT WITH BORROW COMPUTE BORROW INDICATION */ F(0xe7bd, VSBCBI, VRR_d, V, 0, 0, 0, 0, vsbcbi, 0, IF_VEC) +/* VECTOR SUM ACROSS DOUBLEWORD */ + F(0xe765, VSUMG, VRR_c, V, 0, 0, 0, 0, vsumg, 0, IF_VEC) =20 #ifndef CONFIG_USER_ONLY /* COMPARE AND SWAP AND PURGE */ diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.= inc.c index b0b4d3640e..5e948ecff1 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2248,3 +2248,32 @@ static DisasJumpType op_vsbcbi(DisasContext *s, Di= sasOps *o) get_field(s->fields, v4)); return DISAS_NEXT; } + +static DisasJumpType op_vsumg(DisasContext *s, DisasOps *o) +{ + const uint8_t es =3D get_field(s->fields, m4); + TCGv_i64 sum, tmp; + uint8_t dst_idx; + + if (es =3D=3D ES_8 || es > ES_32) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + sum =3D tcg_temp_new_i64(); + tmp =3D tcg_temp_new_i64(); + for (dst_idx =3D 0; dst_idx < 2; dst_idx++) { + uint8_t idx =3D dst_idx * NUM_VEC_ELEMENTS(es) / 2; + const uint8_t max_idx =3D idx + NUM_VEC_ELEMENTS(es) / 2 - 1; + + read_vec_element_i64(sum, get_field(s->fields, v3), max_idx, es)= ; + for (; idx <=3D max_idx; idx++) { + read_vec_element_i64(tmp, get_field(s->fields, v2), idx, es)= ; + tcg_gen_add_i64(sum, sum, tmp); + } + write_vec_element_i64(sum, get_field(s->fields, v1), dst_idx, ES= _64); + } + tcg_temp_free_i64(sum); + tcg_temp_free_i64(tmp); + return DISAS_NEXT; +} --=20 2.20.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51A52C43219 for ; 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Thu, 02 May 2019 10:11:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53684) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hMCRC-0007bi-Pc; Thu, 02 May 2019 10:11:50 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E889A30B8FAC; Thu, 2 May 2019 14:11:49 +0000 (UTC) Received: from t460s.redhat.com (ovpn-117-88.ams2.redhat.com [10.36.117.88]) by smtp.corp.redhat.com (Postfix) with ESMTP id 63DC8989B; Thu, 2 May 2019 14:11:48 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Thu, 2 May 2019 16:10:16 +0200 Message-Id: <20190502141019.6385-38-david@redhat.com> In-Reply-To: <20190502141019.6385-1-david@redhat.com> References: <20190502141019.6385-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.49]); Thu, 02 May 2019 14:11:50 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v3 37/40] s390x/tcg: Implement VECTOR SUM ACROSS DOUBLEWORD X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , David Hildenbrand , Cornelia Huck , Richard Henderson , qemu-s390x@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="UTF-8" Message-ID: <20190502141016.LqKBnueMKb3_Q5ULOn5-dQ50z3ZncGzR6VF4e3UQtKE@z> Perform the calculations without a helper. Only 16 bit or 32 bit values have to be added. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 29 +++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index a8d90517f6..dd37003082 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1182,6 +1182,8 @@ F(0xe7bf, VSBI, VRR_d, V, 0, 0, 0, 0, vsbi, 0, IF_VEC) /* VECTOR SUBTRACT WITH BORROW COMPUTE BORROW INDICATION */ F(0xe7bd, VSBCBI, VRR_d, V, 0, 0, 0, 0, vsbcbi, 0, IF_VEC) +/* VECTOR SUM ACROSS DOUBLEWORD */ + F(0xe765, VSUMG, VRR_c, V, 0, 0, 0, 0, vsumg, 0, IF_VEC) =20 #ifndef CONFIG_USER_ONLY /* COMPARE AND SWAP AND PURGE */ diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.= inc.c index b0b4d3640e..5e948ecff1 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2248,3 +2248,32 @@ static DisasJumpType op_vsbcbi(DisasContext *s, Di= sasOps *o) get_field(s->fields, v4)); return DISAS_NEXT; } + +static DisasJumpType op_vsumg(DisasContext *s, DisasOps *o) +{ + const uint8_t es =3D get_field(s->fields, m4); + TCGv_i64 sum, tmp; + uint8_t dst_idx; + + if (es =3D=3D ES_8 || es > ES_32) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + sum =3D tcg_temp_new_i64(); + tmp =3D tcg_temp_new_i64(); + for (dst_idx =3D 0; dst_idx < 2; dst_idx++) { + uint8_t idx =3D dst_idx * NUM_VEC_ELEMENTS(es) / 2; + const uint8_t max_idx =3D idx + NUM_VEC_ELEMENTS(es) / 2 - 1; + + read_vec_element_i64(sum, get_field(s->fields, v3), max_idx, es)= ; + for (; idx <=3D max_idx; idx++) { + read_vec_element_i64(tmp, get_field(s->fields, v2), idx, es)= ; + tcg_gen_add_i64(sum, sum, tmp); + } + write_vec_element_i64(sum, get_field(s->fields, v1), dst_idx, ES= _64); + } + tcg_temp_free_i64(sum); + tcg_temp_free_i64(tmp); + return DISAS_NEXT; +} --=20 2.20.1