From patchwork Fri May 17 10:21:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 10947679 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8DAF8912 for ; Fri, 17 May 2019 10:33:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7C82D26E38 for ; Fri, 17 May 2019 10:33:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 70DE226E3C; Fri, 17 May 2019 10:33:07 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 18F3926E38 for ; Fri, 17 May 2019 10:33:07 +0000 (UTC) Received: from localhost ([127.0.0.1]:45940 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRaAk-0002BO-Bh for patchwork-qemu-devel@patchwork.kernel.org; Fri, 17 May 2019 06:33:06 -0400 Received: from eggs.gnu.org ([209.51.188.92]:49348) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hRa6I-0006QX-SS for qemu-devel@nongnu.org; Fri, 17 May 2019 06:28:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hRa2B-0005Tp-BD for qemu-devel@nongnu.org; Fri, 17 May 2019 06:24:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41120) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hRa2B-0005T6-5t; Fri, 17 May 2019 06:24:15 -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 7593B307D913; Fri, 17 May 2019 10:24:14 +0000 (UTC) Received: from t460s.redhat.com (unknown [10.36.118.100]) by smtp.corp.redhat.com (Postfix) with ESMTP id ED5ED34912; Fri, 17 May 2019 10:24:12 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 17 May 2019 12:21:43 +0200 Message-Id: <20190517102145.21812-39-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 [10.5.110.48]); Fri, 17 May 2019 10:24:14 +0000 (UTC) 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 38/40] s390x/tcg: Implement VECTOR SUM ACROSS QUADWORD 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Similar to VECTOR SUM ACROSS DOUBLEWORD, however without a loop and using 128-bit calculations. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index dd37003082..2483ee01d7 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1184,6 +1184,8 @@ F(0xe7bd, VSBCBI, VRR_d, V, 0, 0, 0, 0, vsbcbi, 0, IF_VEC) /* VECTOR SUM ACROSS DOUBLEWORD */ F(0xe765, VSUMG, VRR_c, V, 0, 0, 0, 0, vsumg, 0, IF_VEC) +/* VECTOR SUM ACROSS QUADWORD */ + F(0xe767, VSUMQ, VRR_c, V, 0, 0, 0, 0, vsumq, 0, IF_VEC) #ifndef CONFIG_USER_ONLY /* COMPARE AND SWAP AND PURGE */ diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c index 7b4efee5c0..16bfbfce57 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2281,3 +2281,35 @@ static DisasJumpType op_vsumg(DisasContext *s, DisasOps *o) tcg_temp_free_i64(tmp); return DISAS_NEXT; } + +static DisasJumpType op_vsumq(DisasContext *s, DisasOps *o) +{ + const uint8_t es = get_field(s->fields, m4); + const uint8_t max_idx = NUM_VEC_ELEMENTS(es) - 1; + TCGv_i64 sumh, suml, zero, tmpl; + uint8_t idx; + + if (es < ES_32 || es > ES_64) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + sumh = tcg_const_i64(0); + suml = tcg_temp_new_i64(); + zero = tcg_const_i64(0); + tmpl = tcg_temp_new_i64(); + + read_vec_element_i64(suml, get_field(s->fields, v3), max_idx, es); + for (idx = 0; idx <= max_idx; idx++) { + read_vec_element_i64(tmpl, get_field(s->fields, v2), idx, es); + tcg_gen_add2_i64(suml, sumh, suml, sumh, tmpl, zero); + } + write_vec_element_i64(sumh, get_field(s->fields, v1), 0, ES_64); + write_vec_element_i64(suml, get_field(s->fields, v1), 1, ES_64); + + tcg_temp_free_i64(sumh); + tcg_temp_free_i64(suml); + tcg_temp_free_i64(zero); + tcg_temp_free_i64(tmpl); + return DISAS_NEXT; +}