From patchwork Fri May 31 10:44:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 10970009 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 D6342912 for ; Fri, 31 May 2019 11:02:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C763328CC7 for ; Fri, 31 May 2019 11:02:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BB59E28CBD; Fri, 31 May 2019 11:02:23 +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 51B1828CBF for ; Fri, 31 May 2019 11:02:23 +0000 (UTC) Received: from localhost ([127.0.0.1]:41057 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hWfIk-0004vb-Ip for patchwork-qemu-devel@patchwork.kernel.org; Fri, 31 May 2019 07:02:22 -0400 Received: from eggs.gnu.org ([209.51.188.92]:56330) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hWf2W-0007gQ-5o for qemu-devel@nongnu.org; Fri, 31 May 2019 06:45:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hWf2U-0002OD-83 for qemu-devel@nongnu.org; Fri, 31 May 2019 06:45:36 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34740) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hWf2Q-0001xv-8E for qemu-devel@nongnu.org; Fri, 31 May 2019 06:45:32 -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 1590081F0C; Fri, 31 May 2019 10:45:17 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-233.ams2.redhat.com [10.36.116.233]) by smtp.corp.redhat.com (Postfix) with ESMTP id 07453473BC; Fri, 31 May 2019 10:45:15 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Fri, 31 May 2019 12:44:29 +0200 Message-Id: <20190531104432.29379-21-david@redhat.com> In-Reply-To: <20190531104432.29379-1-david@redhat.com> References: <20190531104432.29379-1-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 [10.5.110.27]); Fri, 31 May 2019 10:45:17 +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] [PATCH v1 20/23] s390x/tcg: Implement VECTOR FP TEST DATA CLASS IMMEDIATE 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: Christian Borntraeger , Denys Vlasenko , David Hildenbrand Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP We can reuse float64_dcmask(). 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 | 21 ++++++++++++++++++ target/s390x/vec_fpu_helper.c | 39 +++++++++++++++++++++++++++++++++ 4 files changed, 64 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index c788fc1b7f..e9aff83b05 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -292,6 +292,8 @@ DEF_HELPER_FLAGS_4(gvec_vfsq64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vfsq64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_5(gvec_vfs64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32) DEF_HELPER_FLAGS_5(gvec_vfs64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32) +DEF_HELPER_4(gvec_vftci64, void, ptr, cptr, env, i32) +DEF_HELPER_4(gvec_vftci64s, void, ptr, cptr, env, i32) #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 4426f40250..f421184fcd 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1246,6 +1246,8 @@ F(0xe7ce, VFSQ, VRR_a, V, 0, 0, 0, 0, vfsq, 0, IF_VEC) /* VECTOR FP SUBTRACT */ F(0xe7e2, VFS, VRR_c, V, 0, 0, 0, 0, vfa, 0, IF_VEC) +/* VECTOR FP TEST DATA CLASS IMMEDIATE */ + F(0xe74a, VFTCI, VRI_e, V, 0, 0, 0, 0, vftci, 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 bc75a147b6..715fcb2cb5 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2791,3 +2791,24 @@ static DisasJumpType op_vfsq(DisasContext *s, DisasOps *o) 0, fn); return DISAS_NEXT; } + +static DisasJumpType op_vftci(DisasContext *s, DisasOps *o) +{ + const uint16_t i3 = get_field(s->fields, i3); + const uint8_t fpf = get_field(s->fields, m4); + const uint8_t m5 = get_field(s->fields, m5); + gen_helper_gvec_2_ptr *fn = gen_helper_gvec_vftci64; + + if (fpf != FPF_LONG || extract32(m5, 0, 3)) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + if (extract32(m5, 3, 1)) { + fn = gen_helper_gvec_vftci64s; + } + gen_gvec_2_ptr(get_field(s->fields, v1), get_field(s->fields, v2), cpu_env, + i3, fn); + set_cc_static(s); + return DISAS_NEXT; +} diff --git a/target/s390x/vec_fpu_helper.c b/target/s390x/vec_fpu_helper.c index 10249c5105..930b6d1db4 100644 --- a/target/s390x/vec_fpu_helper.c +++ b/target/s390x/vec_fpu_helper.c @@ -603,3 +603,42 @@ void HELPER(gvec_vfs64s)(void *v1, const void *v2, const void *v3, { vop64_3(v1, v2, v3, env, true, vfs64, GETPC()); } + +static int vftci64(S390Vector *v1, const S390Vector *v2, CPUS390XState *env, + bool s, uint16_t i3) +{ + int i, match = 0; + + for (i = 0; i < 2; i++) { + float64 a = make_float64(s390_vec_read_element64(v2, i)); + + if (float64_dcmask(env, a) & i3) { + match++; + s390_vec_write_element64(v1, i, -1ull); + } else { + s390_vec_write_element64(v1, i, 0); + } + if (s) { + break; + } + } + + if (match == i + 1) { + return 0; + } else if (match) { + return 1; + } + return 3; +} + +void HELPER(gvec_vftci64)(void *v1, const void *v2, CPUS390XState *env, + uint32_t desc) +{ + env->cc_op = vftci64(v1, v2, env, false, simd_data(desc)); +} + +void HELPER(gvec_vftci64s)(void *v1, const void *v2, CPUS390XState *env, + uint32_t desc) +{ + env->cc_op = vftci64(v1, v2, env, true, simd_data(desc)); +}