From nobody Mon Feb 9 06:00:26 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=1558089492; cv=none; d=zoho.com; s=zohoarc; b=XlcsmMZb3bDZCCV7Z8XNrAXwi9Txd1874p5X8GJowGvpDi5BZqG9v4HuJIgb2lCsJk88LyPJOXzhkQ1axLQ/ANuO+V+JHmtJyoyUgU/WzeO7+0W+cnWhon/FYSOaRniuWhuGXsbCJimZUTPv0/JXM1U0Nhceu2gzDnLd8SSrrT8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1558089492; 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=8wLBy+MaQiuF+d/eg0T806R1M1pBqRkIN2atrKB51NY=; b=dAbjaChF/qv1jDe3dPaQJSu5dAND9pn2HS88/o9LArmyj2z3Iq8V+KUGuWzz85dPCgsTfO/pH/bJcZekWPFxVIKDZ3CVRpWwjTNqe3vpbauutcsvkwcpGXOSI5mIsToMy9bAHrwkKG0xulTuoX+ps5gpwkWkHAXdZBgscGscP8M= 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 1558089492724646.075826890573; Fri, 17 May 2019 03:38:12 -0700 (PDT) Received: from localhost ([127.0.0.1]:46014 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRaFZ-0005tH-Kb for importer@patchew.org; Fri, 17 May 2019 06:38:05 -0400 Received: from eggs.gnu.org ([209.51.188.92]:49256) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRa6M-0006HC-EF for qemu-devel@nongnu.org; Fri, 17 May 2019 06:28:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hRa22-0005Ll-AT for qemu-devel@nongnu.org; Fri, 17 May 2019 06:24:07 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59008) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hRa22-0005LR-59; Fri, 17 May 2019 06:24:06 -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 73E07104C1; Fri, 17 May 2019 10:24:05 +0000 (UTC) Received: from t460s.redhat.com (unknown [10.36.118.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id EAD9B19732; Fri, 17 May 2019 10:24:03 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 17 May 2019 12:21:38 +0200 Message-Id: <20190517102145.21812-34-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 [10.5.110.38]); Fri, 17 May 2019 10:24:05 +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 33/40] s390x/tcg: Implement VECTOR SUBTRACT 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" We can use tcg_gen_sub2_i64() to do 128-bit subtraction and otherwise existing gvec helpers. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 17 +++++++++++++++++ 2 files changed, 19 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index f3bf9edfca..58a61f41ef 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1174,6 +1174,8 @@ F(0xe77c, VSRL, VRR_c, V, 0, 0, 0, 0, vsrl, 0, IF_VEC) /* VECTOR SHIFT RIGHT LOGICAL BY BYTE */ F(0xe77d, VSRLB, VRR_c, V, 0, 0, 0, 0, vsrl, 0, IF_VEC) +/* VECTOR SUBTRACT */ + F(0xe7f7, VS, VRR_c, V, 0, 0, 0, 0, vs, 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 5dfbf1bcd4..5f53ae7ec5 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2123,3 +2123,20 @@ static DisasJumpType op_vsrl(DisasContext *s, DisasO= ps *o) tcg_temp_free_i64(shift); return DISAS_NEXT; } + +static DisasJumpType op_vs(DisasContext *s, DisasOps *o) +{ + const uint8_t es =3D get_field(s->fields, m4); + + if (es > ES_128) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } else if (es =3D=3D ES_128) { + gen_gvec128_3_i64(tcg_gen_sub2_i64, get_field(s->fields, v1), + get_field(s->fields, v2), get_field(s->fields, v= 3)); + return DISAS_NEXT; + } + gen_gvec_fn_3(sub, es, get_field(s->fields, v1), get_field(s->fields, = v2), + get_field(s->fields, v3)); + return DISAS_NEXT; +} --=20 2.20.1