From nobody Sun Feb 8 19:59:50 2026 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=1554979403; cv=none; d=zoho.com; s=zohoarc; b=KK1krVL99MXwF+GpU3UTCkxe/Mh7MPvMn5QQRi8Q74QMbsjMxsOAYEtzHm/nLcpmFIMTZV6k1IhrmEu/zNQxZ4kNYFVbTDx0bd9OXuRLrr16qwjtVU0/TmVzEJ1WeLsPv9FBa3wWZOisgDxX3dfyrHrNktqx2PvW89ZUH5g5V2k= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1554979403; 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=Yqq5NqLdFIVbKlHyS/hqmCrzkmHPKhDKBsJpQyAp2Og=; b=HO2y4wjwGhTtD6v1filRJeoCPBsp2rJwdqIQO6Gp85pxSCz13sRLMkMKIhdv/RaAluQAD8UVLK/XbcRSpCWF1yLJqb5QmXnpjMGQFs/WzoNcqMXGZ4xFdX5Lku6zh1JsC0DFhnss9FpCrbCB1VU8MI5ugXQOVuACO0ckB3nlNZQ= 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 1554979403808202.703091955187; Thu, 11 Apr 2019 03:43:23 -0700 (PDT) Received: from localhost ([127.0.0.1]:45997 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hEXAr-00039o-O8 for importer@patchew.org; Thu, 11 Apr 2019 06:43:17 -0400 Received: from eggs.gnu.org ([209.51.188.92]:54552) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hEWsY-0002dl-9n for qemu-devel@nongnu.org; Thu, 11 Apr 2019 06:24:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hEWe8-0007PE-0I for qemu-devel@nongnu.org; Thu, 11 Apr 2019 06:09:29 -0400 Received: from mx1.redhat.com ([209.132.183.28]:42498) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hEWe4-0007Lv-3m; Thu, 11 Apr 2019 06:09:26 -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 AFBFE5AFF4; Thu, 11 Apr 2019 10:09:21 +0000 (UTC) Received: from t460s.redhat.com (unknown [10.36.118.43]) by smtp.corp.redhat.com (Postfix) with ESMTP id E8C601001E82; Thu, 11 Apr 2019 10:09:15 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Thu, 11 Apr 2019 12:08:12 +0200 Message-Id: <20190411100836.646-18-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 [10.5.110.39]); Thu, 11 Apr 2019 10:09:21 +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 17/41] s390x/tcg: Implement VECTOR LOAD POSITIVE 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" Similar to VECTOR LOAD COMPLEMENT but unfortunately we don't have a gvec helper. Signed-off-by: David Hildenbrand Reviewed-by: Richard Henderson --- target/s390x/helper.h | 2 ++ target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 40 +++++++++++++++++++++++++++++++++ target/s390x/vec_int_helper.c | 14 ++++++++++++ 4 files changed, 58 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 18a3df6b07..065c4c6ea3 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -164,6 +164,8 @@ DEF_HELPER_FLAGS_5(gvec_vgfma8, TCG_CALL_NO_RWG, void, = ptr, cptr, cptr, cptr, i3 DEF_HELPER_FLAGS_5(gvec_vgfma16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, c= ptr, i32) DEF_HELPER_FLAGS_5(gvec_vgfma32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, c= ptr, i32) DEF_HELPER_FLAGS_5(gvec_vgfma64, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, c= ptr, i32) +DEF_HELPER_FLAGS_3(gvec_vlp8, TCG_CALL_NO_RWG, void, ptr, cptr, i32) +DEF_HELPER_FLAGS_3(gvec_vlp16, TCG_CALL_NO_RWG, void, ptr, 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 07868ff082..fc8886ff42 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1096,6 +1096,8 @@ F(0xe7bc, VGFMA, VRR_d, V, 0, 0, 0, 0, vgfma, 0, IF_VEC) /* VECTOR LOAD COMPLEMENT */ F(0xe7de, VLC, VRR_a, V, 0, 0, 0, 0, vlc, 0, IF_VEC) +/* VECTOR LOAD POSITIVE */ + F(0xe7df, VLP, VRR_a, V, 0, 0, 0, 0, vlp, 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 28436cb01a..8cab3f876a 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -1496,3 +1496,43 @@ static DisasJumpType op_vlc(DisasContext *s, DisasOp= s *o) get_field(s->fields, v2)); return DISAS_NEXT; } + +static void gen_lp_i32(TCGv_i32 d, TCGv_i32 a) +{ + TCGv_i32 zero =3D tcg_const_i32(0); + TCGv_i32 neg =3D tcg_temp_new_i32(); + + tcg_gen_neg_i32(neg, a); + tcg_gen_movcond_i32(TCG_COND_LT, d, a, zero, neg, a); + tcg_temp_free_i32(neg); + tcg_temp_free_i32(zero); +} + +static void gen_lp_i64(TCGv_i64 d, TCGv_i64 a) +{ + TCGv_i64 zero =3D tcg_const_i64(0); + TCGv_i64 neg =3D tcg_temp_new_i64(); + + tcg_gen_neg_i64(neg, a); + tcg_gen_movcond_i64(TCG_COND_LT, d, a, zero, neg, a); + tcg_temp_free_i64(neg); + tcg_temp_free_i64(zero); +} + +static DisasJumpType op_vlp(DisasContext *s, DisasOps *o) +{ + const uint8_t es =3D get_field(s->fields, m3); + static const GVecGen2 g[4] =3D { + { .fno =3D gen_helper_gvec_vlp8, }, + { .fno =3D gen_helper_gvec_vlp16, }, + { .fni4 =3D gen_lp_i32, }, + { .fni8 =3D gen_lp_i64, }, + }; + + if (es > ES_64) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + gen_gvec_2(get_field(s->fields, v1), get_field(s->fields, v2), &g[es]); + return DISAS_NEXT; +} diff --git a/target/s390x/vec_int_helper.c b/target/s390x/vec_int_helper.c index 99dd0653f6..574f707abf 100644 --- a/target/s390x/vec_int_helper.c +++ b/target/s390x/vec_int_helper.c @@ -289,3 +289,17 @@ void HELPER(gvec_vgfma64)(void *v1, const void *v2, co= nst void *v3, s390_vec_xor(&tmp1, &tmp1, &tmp2); s390_vec_xor(v1, &tmp1, v4); } + +#define DEF_VLP(BITS) = \ +void HELPER(gvec_vlp##BITS)(void *v1, const void *v2, uint32_t desc) = \ +{ = \ + int i; = \ + = \ + for (i =3D 0; i < (128 / BITS); i++) { = \ + const int##BITS##_t a =3D s390_vec_read_element##BITS(v2, i); = \ + = \ + s390_vec_write_element##BITS(v1, i, a < 0 ? -a : a); = \ + } = \ +} +DEF_VLP(8) +DEF_VLP(16) --=20 2.20.1