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spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:49744 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lieVB-0006ue-MH for qemu-devel@archiver.kernel.org; Mon, 17 May 2021 10:45:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56938) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lieF9-0004U6-LS for qemu-devel@nongnu.org; Mon, 17 May 2021 10:29:15 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:52959) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lieF6-0007bL-SD for qemu-devel@nongnu.org; Mon, 17 May 2021 10:29:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1621261749; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=4ZrFHKxbiji4d0GDn+jdS6epCCyGjEdPbxHnbPjKTvM=; b=dxygYkHo5MFuP6sAy4yud7stg8VjUWRWvDk4AdNrUHnbm48E7wBn0nh2kJxoabRIELFRz3 iByWR/VLhu9P42GG2vzLJYuZ7sOc2fzlnd2EMLzyO55EsDPQjz80lowcQ3zNfB2+dVg+Zy HZBiYftUoxqAolpTc4vuQhTpOHsYhQo= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-522-uWq_FsVyO1y5Vix5gKd9kA-1; Mon, 17 May 2021 10:29:08 -0400 X-MC-Unique: uWq_FsVyO1y5Vix5gKd9kA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9B42E1005D50; Mon, 17 May 2021 14:29:06 +0000 (UTC) Received: from t480s.redhat.com (ovpn-115-101.ams2.redhat.com [10.36.115.101]) by smtp.corp.redhat.com (Postfix) with ESMTP id 507785DDAD; Mon, 17 May 2021 14:29:01 +0000 (UTC) From: David Hildenbrand To: qemu-devel@nongnu.org Subject: [PATCH v2 19/26] s390x/tcg: Implement 32/128 bit for VECTOR FP PERFORM SIGN OPERATION Date: Mon, 17 May 2021 16:27:32 +0200 Message-Id: <20210517142739.38597-20-david@redhat.com> In-Reply-To: <20210517142739.38597-1-david@redhat.com> References: <20210517142739.38597-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=david@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=170.10.133.124; envelope-from=david@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.374, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Thomas Huth , David Hildenbrand , Cornelia Huck , Richard Henderson , Halil Pasic , Christian Borntraeger , qemu-s390x@nongnu.org, =?UTF-8?q?Alex=20Benn=C3=A9e?= , Aurelien Jarno Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand --- target/s390x/translate_vx.c.inc | 106 ++++++++++++++++++++++---------- 1 file changed, 73 insertions(+), 33 deletions(-) diff --git a/target/s390x/translate_vx.c.inc b/target/s390x/translate_vx.c.inc index e94c9f9d86..4d1ccb4159 100644 --- a/target/s390x/translate_vx.c.inc +++ b/target/s390x/translate_vx.c.inc @@ -2842,48 +2842,88 @@ static DisasJumpType op_vfpso(DisasContext *s, DisasOps *o) const uint8_t fpf = get_field(s, m3); const uint8_t m4 = get_field(s, m4); const uint8_t m5 = get_field(s, m5); + const bool se = extract32(m4, 3, 1); TCGv_i64 tmp; - if (fpf != FPF_LONG || extract32(m4, 0, 3) || m5 > 2) { + if ((fpf != FPF_LONG && !s390_has_feat(S390_FEAT_VECTOR_ENH)) || + extract32(m4, 0, 3) || m5 > 2) { gen_program_exception(s, PGM_SPECIFICATION); return DISAS_NORETURN; } - if (extract32(m4, 3, 1)) { - tmp = tcg_temp_new_i64(); - read_vec_element_i64(tmp, v2, 0, ES_64); - switch (m5) { - case 0: - /* sign bit is inverted (complement) */ - tcg_gen_xori_i64(tmp, tmp, 1ull << 63); - break; - case 1: - /* sign bit is set to one (negative) */ - tcg_gen_ori_i64(tmp, tmp, 1ull << 63); - break; - case 2: - /* sign bit is set to zero (positive) */ - tcg_gen_andi_i64(tmp, tmp, (1ull << 63) - 1); - break; + switch (fpf) { + case FPF_SHORT: + if (!se) { + switch (m5) { + case 0: + /* sign bit is inverted (complement) */ + gen_gvec_fn_2i(xori, ES_32, v1, v2, 1ull << 31); + break; + case 1: + /* sign bit is set to one (negative) */ + gen_gvec_fn_2i(ori, ES_32, v1, v2, 1ull << 31); + break; + case 2: + /* sign bit is set to zero (positive) */ + gen_gvec_fn_2i(andi, ES_32, v1, v2, (1ull << 31) - 1); + break; + } + return DISAS_NEXT; } - write_vec_element_i64(tmp, v1, 0, ES_64); - tcg_temp_free_i64(tmp); - } else { - switch (m5) { - case 0: - /* sign bit is inverted (complement) */ - gen_gvec_fn_2i(xori, ES_64, v1, v2, 1ull << 63); - break; - case 1: - /* sign bit is set to one (negative) */ - gen_gvec_fn_2i(ori, ES_64, v1, v2, 1ull << 63); - break; - case 2: - /* sign bit is set to zero (positive) */ - gen_gvec_fn_2i(andi, ES_64, v1, v2, (1ull << 63) - 1); - break; + break; + case FPF_LONG: + if (!se) { + switch (m5) { + case 0: + /* sign bit is inverted (complement) */ + gen_gvec_fn_2i(xori, ES_64, v1, v2, 1ull << 63); + break; + case 1: + /* sign bit is set to one (negative) */ + gen_gvec_fn_2i(ori, ES_64, v1, v2, 1ull << 63); + break; + case 2: + /* sign bit is set to zero (positive) */ + gen_gvec_fn_2i(andi, ES_64, v1, v2, (1ull << 63) - 1); + break; + } + return DISAS_NEXT; } + break; + case FPF_EXT: + /* Only a single element. */ + break; + default: + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; } + + /* With a single element, we are only interested in bit 0. */ + tmp = tcg_temp_new_i64(); + read_vec_element_i64(tmp, v2, 0, ES_64); + switch (m5) { + case 0: + /* sign bit is inverted (complement) */ + tcg_gen_xori_i64(tmp, tmp, 1ull << 63); + break; + case 1: + /* sign bit is set to one (negative) */ + tcg_gen_ori_i64(tmp, tmp, 1ull << 63); + break; + case 2: + /* sign bit is set to zero (positive) */ + tcg_gen_andi_i64(tmp, tmp, (1ull << 63) - 1); + break; + } + write_vec_element_i64(tmp, v1, 0, ES_64); + + if (fpf == FPF_EXT) { + read_vec_element_i64(tmp, v2, 1, ES_64); + write_vec_element_i64(tmp, v1, 1, ES_64); + } + + tcg_temp_free_i64(tmp); + return DISAS_NEXT; } -- 2.31.1