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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 CEB1AC04AB4 for ; Fri, 17 May 2019 10:54:21 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A202C20848 for ; Fri, 17 May 2019 10:54:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A202C20848 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:46274 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRaVI-000303-Qj for qemu-devel@archiver.kernel.org; Fri, 17 May 2019 06:54:20 -0400 Received: from eggs.gnu.org ([209.51.188.92]:49890) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRa6i-0006uA-UQ for qemu-devel@nongnu.org; Fri, 17 May 2019 06:28:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hRa16-0004iD-GM for qemu-devel@nongnu.org; Fri, 17 May 2019 06:23:09 -0400 Received: from mx1.redhat.com ([209.132.183.28]:27739) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hRa16-0004hd-98; Fri, 17 May 2019 06:23:08 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 997B230AFAA; Fri, 17 May 2019 10:23:07 +0000 (UTC) Received: from t460s.redhat.com (unknown [10.36.118.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1FF4738E09; Fri, 17 May 2019 10:23:05 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 17 May 2019 12:21:13 +0200 Message-Id: <20190517102145.21812-9-david@redhat.com> In-Reply-To: <20190517102145.21812-1-david@redhat.com> References: <20190517102145.21812-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Fri, 17 May 2019 10:23:07 +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] [PULL SUBSYSTEM s390x 08/40] s390x/tcg: Implement VECTOR CHECKSUM 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" Time to introduce read_vec_element_i32 and write_vec_element_i32. Take proper care of properly adding the carry. We can perform both additions including the carry via tcg_gen_add2_i32(). Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 2 + target/s390x/translate_vx.inc.c | 65 +++++++++++++++++++++++++++++++++ 2 files changed, 67 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 9889dc0b01..64459465c5 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1072,6 +1072,8 @@ F(0xe7f2, VAVG, VRR_c, V, 0, 0, 0, 0, vavg, 0, IF_VEC) /* VECTOR AVERAGE LOGICAL */ F(0xe7f0, VAVGL, VRR_c, V, 0, 0, 0, 0, vavgl, 0, IF_VEC) +/* VECTOR CHECKSUM */ + F(0xe766, VCKSM, VRR_c, V, 0, 0, 0, 0, vcksm, 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 3ff0682135..b9d40ffeb7 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -90,6 +90,33 @@ static void read_vec_element_i64(TCGv_i64 dst, uint8_t= reg, uint8_t enr, } } =20 +static void read_vec_element_i32(TCGv_i32 dst, uint8_t reg, uint8_t enr, + TCGMemOp memop) +{ + const int offs =3D vec_reg_offset(reg, enr, memop & MO_SIZE); + + switch (memop) { + case ES_8: + tcg_gen_ld8u_i32(dst, cpu_env, offs); + break; + case ES_16: + tcg_gen_ld16u_i32(dst, cpu_env, offs); + break; + case ES_8 | MO_SIGN: + tcg_gen_ld8s_i32(dst, cpu_env, offs); + break; + case ES_16 | MO_SIGN: + tcg_gen_ld16s_i32(dst, cpu_env, offs); + break; + case ES_32: + case ES_32 | MO_SIGN: + tcg_gen_ld_i32(dst, cpu_env, offs); + break; + default: + g_assert_not_reached(); + } +} + static void write_vec_element_i64(TCGv_i64 src, int reg, uint8_t enr, TCGMemOp memop) { @@ -113,6 +140,25 @@ static void write_vec_element_i64(TCGv_i64 src, int = reg, uint8_t enr, } } =20 +static void write_vec_element_i32(TCGv_i32 src, int reg, uint8_t enr, + TCGMemOp memop) +{ + const int offs =3D vec_reg_offset(reg, enr, memop & MO_SIZE); + + switch (memop) { + case ES_8: + tcg_gen_st8_i32(src, cpu_env, offs); + break; + case ES_16: + tcg_gen_st16_i32(src, cpu_env, offs); + break; + case ES_32: + tcg_gen_st_i32(src, cpu_env, offs); + break; + default: + g_assert_not_reached(); + } +} =20 static void get_vec_element_ptr_i64(TCGv_ptr ptr, uint8_t reg, TCGv_i64 = enr, uint8_t es) @@ -1304,3 +1350,22 @@ static DisasJumpType op_vavgl(DisasContext *s, Dis= asOps *o) get_field(s->fields, v3), &g[es]); return DISAS_NEXT; } + +static DisasJumpType op_vcksm(DisasContext *s, DisasOps *o) +{ + TCGv_i32 tmp =3D tcg_temp_new_i32(); + TCGv_i32 sum =3D tcg_temp_new_i32(); + int i; + + read_vec_element_i32(sum, get_field(s->fields, v3), 1, ES_32); + for (i =3D 0; i < 4; i++) { + read_vec_element_i32(tmp, get_field(s->fields, v2), i, ES_32); + tcg_gen_add2_i32(tmp, sum, sum, sum, tmp, tmp); + } + zero_vec(get_field(s->fields, v1)); + write_vec_element_i32(sum, get_field(s->fields, v1), 1, ES_32); + + tcg_temp_free_i32(tmp); + tcg_temp_free_i32(sum); + return DISAS_NEXT; +} --=20 2.20.1