From nobody Mon Nov 10 11:19:24 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=1555440944; cv=none; d=zoho.com; s=zohoarc; b=cfBB0dOP3wvkDxZ6mVUlTCEp42xnLNDJR5voV90Qolbv24VLcJVdXPoOftWi6qHy0kvMVdIhEbmStWaINLT6EbMl0HO3oBvKQ0quUi33WHpRneaVhMlR7lsRkuy5LUUAJC06PjGhimv8jifYSg8aLRIykZynDSzgrqyO2SpYIKs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1555440944; 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=xpWs5RrzOz4iuP53IGDIIWPFdXDJ4OZ8LNoAGGs+TFQ=; b=K03o+7y4y0u+AqGNMaAYg7NhgOK4NF5ftQPuBhPhdK99YbGYXonTh6ZoyEh4KvO1WdSu4KlQKBBk2XBO43UFwkGjua3OOmnQeOs1IouCJTT4OMWUU8B7/SSCyXnFimqHoYWCSH/dU/uxSoeQiqjJXrDHauCLiZZnyEZLKNH1sZE= 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 (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1555440944224116.92894221239726; Tue, 16 Apr 2019 11:55:44 -0700 (PDT) Received: from localhost ([127.0.0.1]:41037 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hGTF5-0006CD-5e for importer@patchew.org; Tue, 16 Apr 2019 14:55:39 -0400 Received: from eggs.gnu.org ([209.51.188.92]:54483) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hGTD4-0004hz-9v for qemu-devel@nongnu.org; Tue, 16 Apr 2019 14:53:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hGTD2-0004go-TD for qemu-devel@nongnu.org; Tue, 16 Apr 2019 14:53:34 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52262) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hGTD2-0004XF-Gr; Tue, 16 Apr 2019 14:53:32 -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 81F555945D; Tue, 16 Apr 2019 18:53:27 +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 9355D5D707; Tue, 16 Apr 2019 18:53:20 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Tue, 16 Apr 2019 20:52:28 +0200 Message-Id: <20190416185301.25344-9-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 [10.5.110.39]); Tue, 16 Apr 2019 18:53:27 +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 08/41] s390x/tcg: Implement VECTOR AVERAGE LOGICAL 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 AVERAGE but without sign extension. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/helper.h | 2 ++ target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 48 +++++++++++++++++++++++++++++++++ target/s390x/vec_int_helper.c | 16 +++++++++++ 4 files changed, 68 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index add1d332e5..21921397fe 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -148,6 +148,8 @@ DEF_HELPER_FLAGS_4(vstl, TCG_CALL_NO_WG, void, env, cpt= r, i64, i64) /* =3D=3D=3D Vector Integer Instructions =3D=3D=3D */ DEF_HELPER_FLAGS_4(gvec_vavg8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) DEF_HELPER_FLAGS_4(gvec_vavg16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i3= 2) +DEF_HELPER_FLAGS_4(gvec_vavgl8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i3= 2) +DEF_HELPER_FLAGS_4(gvec_vavgl16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i= 32) =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 6f8b42e327..9889dc0b01 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1070,6 +1070,8 @@ F(0xe769, VNC, VRR_c, V, 0, 0, 0, 0, vnc, 0, IF_VEC) /* VECTOR AVERAGE */ 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) =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 5108025506..7e8418e585 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -1252,3 +1252,51 @@ static DisasJumpType op_vavg(DisasContext *s, DisasO= ps *o) get_field(s->fields, v3), &g[es]); return DISAS_NEXT; } + +static void gen_avgl_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b) +{ + TCGv_i64 t0 =3D tcg_temp_new_i64(); + TCGv_i64 t1 =3D tcg_temp_new_i64(); + + tcg_gen_extu_i32_i64(t0, a); + tcg_gen_extu_i32_i64(t1, b); + tcg_gen_add_i64(t0, t0, t1); + tcg_gen_addi_i64(t0, t0, 1); + tcg_gen_shri_i64(t0, t0, 1); + tcg_gen_extrl_i64_i32(d, t0); + + tcg_temp_free(t0); + tcg_temp_free(t1); +} + +static void gen_avgl_i64(TCGv_i64 dl, TCGv_i64 al, TCGv_i64 bl) +{ + TCGv_i64 dh =3D tcg_temp_new_i64(); + TCGv_i64 zero =3D tcg_const_i64(0); + + tcg_gen_add2_i64(dl, dh, al, zero, bl, zero); + gen_addi2_i64(dl, dh, dl, dh, 1); + tcg_gen_extract2_i64(dl, dl, dh, 1); + + tcg_temp_free_i64(dh); + tcg_temp_free_i64(zero); +} + +static DisasJumpType op_vavgl(DisasContext *s, DisasOps *o) +{ + const uint8_t es =3D get_field(s->fields, m4); + static const GVecGen3 g[4] =3D { + { .fno =3D gen_helper_gvec_vavgl8, }, + { .fno =3D gen_helper_gvec_vavgl16, }, + { .fni4 =3D gen_avgl_i32, }, + { .fni8 =3D gen_avgl_i64, }, + }; + + if (es > ES_64) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + gen_gvec_3(get_field(s->fields, v1), get_field(s->fields, v2), + get_field(s->fields, v3), &g[es]); + return DISAS_NEXT; +} diff --git a/target/s390x/vec_int_helper.c b/target/s390x/vec_int_helper.c index d964655bb8..8f97d3f466 100644 --- a/target/s390x/vec_int_helper.c +++ b/target/s390x/vec_int_helper.c @@ -30,3 +30,19 @@ void HELPER(gvec_vavg##BITS)(void *v1, const void *v2, c= onst void *v3, \ } DEF_VAVG(8) DEF_VAVG(16) + +#define DEF_VAVGL(BITS) = \ +void HELPER(gvec_vavgl##BITS)(void *v1, const void *v2, const void *v3, = \ + uint32_t desc) = \ +{ = \ + int i; = \ + = \ + for (i =3D 0; i < (128 / BITS); i++) { = \ + const uint##BITS##_t a =3D s390_vec_read_element##BITS(v2, i); = \ + const uint##BITS##_t b =3D s390_vec_read_element##BITS(v3, i); = \ + = \ + s390_vec_write_element##BITS(v1, i, (a + b + 1) >> 1); = \ + } = \ +} +DEF_VAVGL(8) +DEF_VAVGL(16) --=20 2.20.1