From nobody Mon Nov 10 19:10:44 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=1558373465; cv=none; d=zoho.com; s=zohoarc; b=OzPlEOF0nUCZiJHYPnKqdsugeo5XnLejkvAeP8Fwj5jm1/ksMypHP+SR4ZeG3ugXLEiOxYznprYKXq7uNZwlXQ2irtDS7EP76u5yI6h6O1gw2v4PNiUWITE2p+f3Y0WnA/8QVsHeAZ4siuEpJRzFqbPSghofY0xOyJ8HccZJAZ4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1558373465; 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=Vj2Ls+5LuvU923qVN6OzbNMJ/UOjOpT6glNZxbz4qyQ=; b=CEAXayAnH7FxvuUnA00g7UTj4HNtAHZms7foFRo4amGJwFDNH+j3EaFBreQIzA9Scq6yV785BCu+PX8DWmJL13vFL8exjVKAn0sFI5mb/MPiautctqNvozH5l3opainSolluPw8jPLz66cG+4rnBvhEffP4QO5hNKKngpwGTMis= 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 1558373465239326.6352200942948; Mon, 20 May 2019 10:31:05 -0700 (PDT) Received: from localhost ([127.0.0.1]:39211 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hSm7o-0006pe-0W for importer@patchew.org; Mon, 20 May 2019 13:31:00 -0400 Received: from eggs.gnu.org ([209.51.188.92]:55237) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hSloO-0006Og-Dl for qemu-devel@nongnu.org; Mon, 20 May 2019 13:10:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hSloI-0005Pq-Ds for qemu-devel@nongnu.org; Mon, 20 May 2019 13:10:52 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60814) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hSloD-0005NC-GF; Mon, 20 May 2019 13:10:46 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 430DE308622B; Mon, 20 May 2019 17:10:32 +0000 (UTC) Received: from localhost (ovpn-204-110.brq.redhat.com [10.40.204.110]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 549D960BEC; Mon, 20 May 2019 17:10:26 +0000 (UTC) From: Cornelia Huck To: Peter Maydell Date: Mon, 20 May 2019 19:02:49 +0200 Message-Id: <20190520170302.13643-42-cohuck@redhat.com> In-Reply-To: <20190520170302.13643-1-cohuck@redhat.com> References: <20190520170302.13643-1-cohuck@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Mon, 20 May 2019 17:10:39 +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 41/54] s390x/tcg: Implement VECTOR SUBTRACT WITH BORROW COMPUTE BORROW INDICATION 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, Richard Henderson , qemu-devel@nongnu.org, David Hildenbrand Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: David Hildenbrand Mostly courtesy of Richard H. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 34 +++++++++++++++++++++++++++++++++ 2 files changed, 36 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index a60d8531dc52..a8d90517f613 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1180,6 +1180,8 @@ F(0xe7f5, VSCBI, VRR_c, V, 0, 0, 0, 0, vscbi, 0, IF_VEC) /* VECTOR SUBTRACT WITH BORROW INDICATION */ F(0xe7bf, VSBI, VRR_d, V, 0, 0, 0, 0, vsbi, 0, IF_VEC) +/* VECTOR SUBTRACT WITH BORROW COMPUTE BORROW INDICATION */ + F(0xe7bd, VSBCBI, VRR_d, V, 0, 0, 0, 0, vsbcbi, 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 66a938a90972..85cd5f03b352 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2218,3 +2218,37 @@ static DisasJumpType op_vsbi(DisasContext *s, DisasO= ps *o) get_field(s->fields, v4)); return DISAS_NEXT; } + +static void gen_sbcbi2_i64(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 al, TCGv_i64= ah, + TCGv_i64 bl, TCGv_i64 bh, TCGv_i64 cl, TCGv_i64= ch) +{ + TCGv_i64 th =3D tcg_temp_new_i64(); + TCGv_i64 tl =3D tcg_temp_new_i64(); + TCGv_i64 zero =3D tcg_const_i64(0); + + tcg_gen_andi_i64(tl, cl, 1); + tcg_gen_sub2_i64(tl, th, al, zero, tl, zero); + tcg_gen_sub2_i64(tl, th, tl, th, bl, zero); + tcg_gen_andi_i64(th, th, 1); + tcg_gen_sub2_i64(tl, th, ah, zero, th, zero); + tcg_gen_sub2_i64(tl, th, tl, th, bh, zero); + tcg_gen_andi_i64(dl, th, 1); + tcg_gen_mov_i64(dh, zero); + + tcg_temp_free_i64(tl); + tcg_temp_free_i64(th); + tcg_temp_free_i64(zero); +} + +static DisasJumpType op_vsbcbi(DisasContext *s, DisasOps *o) +{ + if (get_field(s->fields, m5) !=3D ES_128) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + gen_gvec128_4_i64(gen_sbcbi2_i64, get_field(s->fields, v1), + get_field(s->fields, v2), get_field(s->fields, v3), + get_field(s->fields, v4)); + return DISAS_NEXT; +} --=20 2.20.1