From nobody Sun Feb 8 18:29:29 2026 Delivered-To: importer@patchew.org Received-SPF: temperror (zoho.com: Error in retrieving data from DNS) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=temperror (zoho.com: Error in retrieving data from DNS) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1554979045; cv=none; d=zoho.com; s=zohoarc; b=TvtakHohmURaVD8vDge7nthJUIK7z/LfInkIiHUHtFnGDQ91f4jVdMH9oLE3c1pPjTQuNk91YvcvnQTKYPLj0WO7Uu6vjbS64g/f4JKKz5nE0/NxOG260sKsRuAQ3EdSRE78dZd8GJet9QNCC5xqcFfrVcjvenwa3AgCSwtoFNg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1554979045; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=p9CU4k+2aUceVNYDWIX/DAKW1rp/uqs0m/2FSsxq1YI=; b=iNdqRpO+0NaUt4lEQFS7pITY1Cy7BgIjDAYVXjY7SM1IlSxis8opOnSS2xTOm88hRKyxvcefwl1v4Vs9Z/Lh/o75SHcTvkMyR7UkCRNGvz391GoHcbrXRTqtcgHLr2+hhMoTz2q1X6lxyzamSyIx2ZNDlvf3fNOedqM63DQRrSs= ARC-Authentication-Results: i=1; mx.zoho.com; spf=temperror (zoho.com: Error in retrieving data from DNS) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1554979045947188.25378975860644; Thu, 11 Apr 2019 03:37:25 -0700 (PDT) Received: from localhost ([127.0.0.1]:45906 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hEX58-0006CR-Vb for importer@patchew.org; Thu, 11 Apr 2019 06:37:23 -0400 Received: from eggs.gnu.org ([209.51.188.92]:54395) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hEWsJ-0002Xe-FI for qemu-devel@nongnu.org; Thu, 11 Apr 2019 06:24:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hEWeU-0007Zq-Gs for qemu-devel@nongnu.org; Thu, 11 Apr 2019 06:09:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55782) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hEWeU-0007ZQ-5a; Thu, 11 Apr 2019 06:09:50 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 75DAB3082128; Thu, 11 Apr 2019 10:09:49 +0000 (UTC) Received: from t460s.redhat.com (unknown [10.36.118.43]) by smtp.corp.redhat.com (Postfix) with ESMTP id 29C681001E71; Thu, 11 Apr 2019 10:09:48 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Thu, 11 Apr 2019 12:08:26 +0200 Message-Id: <20190411100836.646-32-david@redhat.com> In-Reply-To: <20190411100836.646-1-david@redhat.com> References: <20190411100836.646-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Thu, 11 Apr 2019 10:09:49 +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 v1 31/41] s390x/tcg: Implement VECTOR SHIFT LEFT DOUBLE BY BYTE 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: qemu-s390x@nongnu.org, Cornelia Huck , David Hildenbrand , Thomas Huth , Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Implement it via an ool helper. reusing the existing shift helpers. In case the starting index is 0, it is basically a copy of v2 to v1. Signed-off-by: David Hildenbrand --- target/s390x/helper.h | 1 + target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 15 +++++++++++++++ target/s390x/vec_int_helper.c | 20 ++++++++++++++++++++ 4 files changed, 38 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 67037f6de6..a433f57009 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -227,6 +227,7 @@ DEF_HELPER_FLAGS_4(gvec_vesra16, TCG_CALL_NO_RWG, void,= ptr, cptr, i64, i32) DEF_HELPER_FLAGS_4(gvec_vesrl8, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32) DEF_HELPER_FLAGS_4(gvec_vesrl16, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i3= 2) DEF_HELPER_FLAGS_4(gvec_vsl, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32) +DEF_HELPER_FLAGS_4(gvec_vsldb, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) =20 #ifndef CONFIG_USER_ONLY DEF_HELPER_3(servc, i32, env, i64, i64) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 2621e433cd..76aec5a21f 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1164,6 +1164,8 @@ F(0xe774, VSL, VRR_c, V, 0, 0, 0, 0, vsl, 0, IF_VEC) /* VECTOR SHIFT LEFT BY BYTE */ F(0xe775, VSLB, VRR_c, V, 0, 0, 0, 0, vsl, 0, IF_VEC) +/* VECTOR SHIFT LEFT DOUBLE BY BYTE */ + F(0xe777, VSLDB, VRI_d, V, 0, 0, 0, 0, vsldb, 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.in= c.c index c08710fd45..221b729ee0 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2089,3 +2089,18 @@ static DisasJumpType op_vsl(DisasContext *s, DisasOp= s *o) tcg_temp_free_i64(shift); return DISAS_NEXT; } + +static DisasJumpType op_vsldb(DisasContext *s, DisasOps *o) +{ + int src_idx =3D get_field(s->fields, i4) & 0xf; + + if (src_idx =3D=3D 0) { + gen_gvec_mov(get_field(s->fields, v1), get_field(s->fields, v2)); + } else { + gen_gvec_3_ool(get_field(s->fields, v1), get_field(s->fields, v2), + get_field(s->fields, v3), src_idx, + gen_helper_gvec_vsldb); + return DISAS_NEXT; + } + return DISAS_NEXT; +} diff --git a/target/s390x/vec_int_helper.c b/target/s390x/vec_int_helper.c index b1a3a25f9f..8b922e717f 100644 --- a/target/s390x/vec_int_helper.c +++ b/target/s390x/vec_int_helper.c @@ -43,6 +43,13 @@ static bool s390_vec_is_zero(const S390Vector *v) return !v->doubleword[0] && !v->doubleword[1]; } =20 +static void s390_vec_or(S390Vector *res, const S390Vector *a, + const S390Vector *b) +{ + res->doubleword[0] =3D a->doubleword[0] | b->doubleword[0]; + res->doubleword[1] =3D a->doubleword[1] | b->doubleword[1]; +} + static void s390_vec_xor(S390Vector *res, const S390Vector *a, const S390Vector *b) { @@ -704,3 +711,16 @@ void HELPER(gvec_vsl)(void *v1, const void *v2, uint64= _t count, { s390_vec_shl(v1, v2, count); } + +void HELPER(gvec_vsldb)(void *v1, const void *v2, const void *v3, + uint32_t desc) +{ + const uint8_t src_idx =3D simd_data(desc); + S390Vector t0; + S390Vector t1; + + g_assert(src_idx > 0 && src_idx < 16); + s390_vec_shl(&t0, v2, src_idx * 8); + s390_vec_shr(&t1, v3, 128 - src_idx * 8); + s390_vec_or(v1, &t0, &t1); +} --=20 2.20.1