From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2504EC04E84 for ; Wed, 15 May 2019 20:33:07 +0000 (UTC) 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.kernel.org (Postfix) with ESMTPS id DA1FB2070D for ; Wed, 15 May 2019 20:33:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DA1FB2070D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([127.0.0.1]:42096 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hR0aH-0006j4-Vu for qemu-devel@archiver.kernel.org; Wed, 15 May 2019 16:33:06 -0400 Received: from eggs.gnu.org ([209.51.188.92]:47949) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hR0Yh-0005oI-EH for qemu-devel@nongnu.org; Wed, 15 May 2019 16:31:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hR0Yf-0002Cj-IG for qemu-devel@nongnu.org; Wed, 15 May 2019 16:31:27 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46088) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hR0Yd-0002Ag-KP; Wed, 15 May 2019 16:31:23 -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 3B43DF0D14; Wed, 15 May 2019 20:31:21 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-133.ams2.redhat.com [10.36.116.133]) by smtp.corp.redhat.com (Postfix) with ESMTP id DDA2E6266C; Wed, 15 May 2019 20:31:19 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Date: Wed, 15 May 2019 22:31:09 +0200 Message-Id: <20190515203112.506-3-david@redhat.com> In-Reply-To: <20190515203112.506-1-david@redhat.com> References: <20190515203112.506-1-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 [10.5.110.38]); Wed, 15 May 2019 20:31:21 +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 v1 2/5] s390x/tcg: Implement VECTOR FIND ELEMENT EQUAL 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, Cornelia Huck , David Hildenbrand , Thomas Huth , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Implement it similar to VECTOR FIND ANY ELEMENT EQUAL. The zero-check seems to have precedence in case we have "data1 =3D=3D data2 =3D=3D 0". The description in the PoP is a little bi confusing. Signed-off-by: David Hildenbrand --- target/s390x/helper.h | 6 ++++ target/s390x/insn-data.def | 2 ++ target/s390x/translate_vx.inc.c | 31 +++++++++++++++++ target/s390x/vec_string_helper.c | 59 ++++++++++++++++++++++++++++++++ 4 files changed, 98 insertions(+) diff --git a/target/s390x/helper.h b/target/s390x/helper.h index c45328cf73..a1b169b666 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -218,6 +218,12 @@ DEF_HELPER_FLAGS_4(gvec_vfae32, TCG_CALL_NO_RWG, voi= d, ptr, cptr, cptr, i32) DEF_HELPER_5(gvec_vfae_cc8, void, ptr, cptr, cptr, env, i32) DEF_HELPER_5(gvec_vfae_cc16, void, ptr, cptr, cptr, env, i32) DEF_HELPER_5(gvec_vfae_cc32, void, ptr, cptr, cptr, env, i32) +DEF_HELPER_FLAGS_4(gvec_vfee8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i= 32) +DEF_HELPER_FLAGS_4(gvec_vfee16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, = i32) +DEF_HELPER_FLAGS_4(gvec_vfee32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, = i32) +DEF_HELPER_5(gvec_vfee_cc8, void, ptr, cptr, cptr, env, i32) +DEF_HELPER_5(gvec_vfee_cc16, void, ptr, cptr, cptr, env, i32) +DEF_HELPER_5(gvec_vfee_cc32, void, ptr, cptr, cptr, env, i32) =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 070ce2a471..d8907ef6a5 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1195,6 +1195,8 @@ =20 /* VECTOR FIND ANY ELEMENT EQUAL */ F(0xe782, VFAE, VRR_b, V, 0, 0, 0, 0, vfae, 0, IF_VEC) +/* VECTOR FIND ELEMENT EQUAL */ + F(0xe780, VFEE, VRR_b, V, 0, 0, 0, 0, vfee, 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.= inc.c index 022990dda3..848f6d7163 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -2384,3 +2384,34 @@ static DisasJumpType op_vfae(DisasContext *s, Disa= sOps *o) } return DISAS_NEXT; } + +static DisasJumpType op_vfee(DisasContext *s, DisasOps *o) +{ + const uint8_t es =3D get_field(s->fields, m4); + const uint8_t m5 =3D get_field(s->fields, m5); + static gen_helper_gvec_3_ptr * const cc[3] =3D { + gen_helper_gvec_vfee_cc8, + gen_helper_gvec_vfee_cc16, + gen_helper_gvec_vfee_cc32, + }; + static gen_helper_gvec_3 * const nocc[3] =3D { + gen_helper_gvec_vfee8, + gen_helper_gvec_vfee16, + gen_helper_gvec_vfee32, + }; + + if (es > ES_32 || m5 & ~0x3) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + if (m5 & 1) { + gen_gvec_3_ptr(get_field(s->fields, v1), get_field(s->fields, v2= ), + get_field(s->fields, v3), cpu_env, m5, cc[es]); + set_cc_static(s); + } else { + gen_gvec_3_ool(get_field(s->fields, v1), get_field(s->fields, v2= ), + get_field(s->fields, v3), m5, nocc[es]); + } + return DISAS_NEXT; +} diff --git a/target/s390x/vec_string_helper.c b/target/s390x/vec_string_h= elper.c index 8a4e65b70f..6a5d05271c 100644 --- a/target/s390x/vec_string_helper.c +++ b/target/s390x/vec_string_helper.c @@ -95,3 +95,62 @@ void HELPER(gvec_vfae_cc##BITS)(void *v1, const void *= v2, const void *v3, \ DEF_VFAE_CC_HELPER(8) DEF_VFAE_CC_HELPER(16) DEF_VFAE_CC_HELPER(32) + +#define DEF_VFEE(BITS) = \ +static int vfee##BITS(void *v1, const void *v2, const void *v3, uint8_t = m5) \ +{ = \ + const bool zs =3D extract32(m5, 1, 1); = \ + S390Vector tmp =3D {}; = \ + int first_byte =3D 16; = \ + int cc =3D 3; /* no match */ = \ + int i; = \ + = \ + for (i =3D 0; i < (128 / BITS); i++) { = \ + const uint##BITS##_t data1 =3D s390_vec_read_element##BITS(v2, i= ); \ + const uint##BITS##_t data2 =3D s390_vec_read_element##BITS(v3, i= ); \ + = \ + if (zs && !data1) { = \ + if (cc =3D=3D 3) { = \ + first_byte =3D i * (BITS / 8); = \ + cc =3D 0; /* match for zero */ = \ + } else { = \ + cc =3D 2; /* matching elements before match for zero */ = \ + } = \ + break; = \ + } = \ + = \ + if (cc =3D=3D 3 && data1 =3D=3D data2) { = \ + first_byte =3D i * (BITS / 8); = \ + cc =3D 1; /* matching elements, no match for zero */ = \ + if (!zs) { = \ + break; = \ + } = \ + } = \ + } = \ + s390_vec_write_element8(&tmp, 7, first_byte); = \ + *(S390Vector *)v1 =3D tmp; = \ + return cc; = \ +} +DEF_VFEE(8) +DEF_VFEE(16) +DEF_VFEE(32) + +#define DEF_VFEE_HELPER(BITS) = \ +void HELPER(gvec_vfee##BITS)(void *v1, const void *v2, const void *v3, = \ + uint32_t desc) = \ +{ = \ + vfee##BITS(v1, v2, v3, simd_data(desc)); = \ +} +DEF_VFEE_HELPER(8) +DEF_VFEE_HELPER(16) +DEF_VFEE_HELPER(32) + +#define DEF_VFEE_CC_HELPER(BITS) = \ +void HELPER(gvec_vfee_cc##BITS)(void *v1, const void *v2, const void *v3= , \ + CPUS390XState *env, uint32_t desc) = \ +{ = \ + env->cc_op =3D vfee##BITS(v1, v2, v3, simd_data(desc)); = \ +} +DEF_VFEE_CC_HELPER(8) +DEF_VFEE_CC_HELPER(16) +DEF_VFEE_CC_HELPER(32) --=20 2.20.1