From nobody Mon Nov 10 11:19:29 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) 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=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) 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=1555442212; cv=none; d=zoho.com; s=zohoarc; b=MpMpFROXtNtlRCQ544PbHWxeyVA2AdmRl+TM2UMTPSTSHl5X5dhqQjdZjPQ34uyQr27qhivhbMMafULlrPXytxsErLYjiY8ysdMW9Fx6fl/O2eJBBJ6x3GAANTGdmRJgx5XAB+GG4wPnXfL2oss/Pl97lwsMGi4GYZitOY7Dxhg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1555442212; 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=z3ricu9BP/d+OsRLFgXSZw9KuyV+S5XtvoHX6fdnnhs=; b=bR27tfa74hUT7KpLeHXnVwb2kb1rcqBOcKwRCHVqpjDMd2ir2GQt8sK07HAXtrh14utb4omr295pxDUQcvGnmwEDepdiUAxMnPtuJ35Oh70I1J4KNaT1wPDE1N6nKuefHpSaAkmcewLyRXjj2QL4/jnjT6bLL8QT1RLvt14vlwI= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) 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 (209.51.188.17 [209.51.188.17]) by mx.zohomail.com with SMTPS id 1555442212589971.1819211482565; Tue, 16 Apr 2019 12:16:52 -0700 (PDT) Received: from localhost ([127.0.0.1]:41431 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hGTZW-00079o-Im for importer@patchew.org; Tue, 16 Apr 2019 15:16:46 -0400 Received: from eggs.gnu.org ([209.51.188.92]:55166) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hGTDm-0005TC-2P for qemu-devel@nongnu.org; Tue, 16 Apr 2019 14:54:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hGTDk-00061i-UG for qemu-devel@nongnu.org; Tue, 16 Apr 2019 14:54:18 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55766) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hGTDk-00060Q-Ju; Tue, 16 Apr 2019 14:54:16 -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 D7C9CC024FE6; Tue, 16 Apr 2019 18:54:15 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-105.ams2.redhat.com [10.36.116.105]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5F3DC5D707; Tue, 16 Apr 2019 18:54:14 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Tue, 16 Apr 2019 20:52:52 +0200 Message-Id: <20190416185301.25344-33-david@redhat.com> In-Reply-To: <20190416185301.25344-1-david@redhat.com> References: <20190416185301.25344-1-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 [10.5.110.32]); Tue, 16 Apr 2019 18:54:15 +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 v2 32/41] s390x/tcg: Implement VECTOR SHIFT RIGHT ARITHMETIC 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Similar to VECTOR SHIFT LEFT ARITHMETIC. Add s390_vec_sar() similar to s390_vec_shr(). Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/helper.h | 1 + target/s390x/insn-data.def | 4 ++++ target/s390x/translate_vx.inc.c | 17 +++++++++++++++++ target/s390x/vec_int_helper.c | 26 ++++++++++++++++++++++++++ 4 files changed, 48 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 8da4a6d32b..53c8b6f4bd 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -225,6 +225,7 @@ 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_vsra, TCG_CALL_NO_RWG, void, ptr, cptr, i64, 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 76aec5a21f..587de3eaac 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1166,6 +1166,10 @@ 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) +/* VECTOR SHIFT RIGHT ARITHMETIC */ + F(0xe77e, VSRA, VRR_c, V, 0, 0, 0, 0, vsra, 0, IF_VEC) +/* VECTOR SHIFT RIGHT ARITHMETIC BY BYTE */ + F(0xe77f, VSRAB, VRR_c, V, 0, 0, 0, 0, vsra, 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 c49c4b3618..7b5f484359 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2142,3 +2142,20 @@ static DisasJumpType op_vsldb(DisasContext *s, Disas= Ops *o) tcg_temp_free(t2); return DISAS_NEXT; } + +static DisasJumpType op_vsra(DisasContext *s, DisasOps *o) +{ + TCGv_i64 shift =3D tcg_temp_new_i64(); + + read_vec_element_i64(shift, get_field(s->fields, v3), 7, ES_8); + if (s->fields->op2 =3D=3D 0x7e) { + tcg_gen_andi_i64(shift, shift, 0x7); + } else { + tcg_gen_andi_i64(shift, shift, 0x78); + } + + gen_gvec_2i_ool(get_field(s->fields, v1), get_field(s->fields, v2), + shift, 0, gen_helper_gvec_vsra); + tcg_temp_free_i64(shift); + return DISAS_NEXT; +} diff --git a/target/s390x/vec_int_helper.c b/target/s390x/vec_int_helper.c index 43b3cfd12a..056e17d3c7 100644 --- a/target/s390x/vec_int_helper.c +++ b/target/s390x/vec_int_helper.c @@ -49,6 +49,26 @@ static void s390_vec_shl(S390Vector *d, const S390Vector= *a, uint64_t count) } } =20 +static void s390_vec_sar(S390Vector *d, const S390Vector *a, uint64_t coun= t) +{ + uint64_t tmp; + + if (count =3D=3D 0) { + d->doubleword[0] =3D a->doubleword[0]; + d->doubleword[1] =3D a->doubleword[1]; + } else if (count =3D=3D 64) { + d->doubleword[1] =3D a->doubleword[0]; + d->doubleword[0] =3D 0; + } else if (count < 64) { + tmp =3D a->doubleword[1] >> count; + d->doubleword[1] =3D deposit64(tmp, 64 - count, count, a->doublewo= rd[0]); + d->doubleword[0] =3D (int64_t)a->doubleword[0] >> count; + } else { + d->doubleword[1] =3D (int64_t)a->doubleword[0] >> (count - 64); + d->doubleword[0] =3D 0; + } +} + static void s390_vec_shr(S390Vector *d, const S390Vector *a, uint64_t coun= t) { uint64_t tmp; @@ -648,3 +668,9 @@ void HELPER(gvec_vsl)(void *v1, const void *v2, uint64_= t count, { s390_vec_shl(v1, v2, count); } + +void HELPER(gvec_vsra)(void *v1, const void *v2, uint64_t count, + uint32_t desc) +{ + s390_vec_sar(v1, v2, count); +} --=20 2.20.1