From patchwork Mon Apr 18 16:38:21 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?V=C3=ADctor_Colombo?= X-Patchwork-Id: 12816858 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0CCC0C433F5 for ; Mon, 18 Apr 2022 16:46:29 +0000 (UTC) Received: from localhost ([::1]:35418 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ngUWC-0008DO-6F for qemu-devel@archiver.kernel.org; Mon, 18 Apr 2022 12:46:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39020) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ngUQp-0008MX-IY; Mon, 18 Apr 2022 12:40:55 -0400 Received: from [187.72.171.209] (port=5022 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ngUQo-0006YK-1Y; Mon, 18 Apr 2022 12:40:55 -0400 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Mon, 18 Apr 2022 13:39:03 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 61FD78000A0; Mon, 18 Apr 2022 13:39:03 -0300 (-03) From: =?utf-8?q?V=C3=ADctor_Colombo?= To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH for-7.1 08/10] target/ppc: implement addg6s Date: Mon, 18 Apr 2022 13:38:21 -0300 Message-Id: <20220418163823.61866-9-victor.colombo@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220418163823.61866-1-victor.colombo@eldorado.org.br> References: <20220418163823.61866-1-victor.colombo@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 18 Apr 2022 16:39:03.0686 (UTC) FILETIME=[D0681A60:01D85342] X-Host-Lookup-Failed: Reverse DNS lookup failed for 187.72.171.209 (failed) Received-SPF: pass client-ip=187.72.171.209; envelope-from=victor.colombo@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -4 X-Spam_score: -0.5 X-Spam_bar: / X-Spam_report: (-0.5 / 5.0 requ) BAYES_00=-1.9, PDS_HP_HELO_NORDNS=0.659, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: danielhb413@gmail.com, groug@kaod.org, victor.colombo@eldorado.org.br, clg@kaod.org, matheus.ferst@eldorado.org.br, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Matheus Ferst Implements the following Power ISA v2.06 instruction: addg6s: Add and Generate Sixes Signed-off-by: Matheus Ferst Signed-off-by: Víctor Colombo --- target/ppc/insn32.decode | 4 +++ target/ppc/translate/fixedpoint-impl.c.inc | 35 ++++++++++++++++++++++ 2 files changed, 39 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index e16fad2853..f7d7dd69ce 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -296,6 +296,10 @@ CNTTZDM 011111 ..... ..... ..... 1000111011 - @X PDEPD 011111 ..... ..... ..... 0010011100 - @X PEXTD 011111 ..... ..... ..... 0010111100 - @X +## BCD Assist + +ADDG6S 011111 ..... ..... ..... - 001001010 - @X + ### Float-Point Load Instructions LFS 110000 ..... ..... ................ @D diff --git a/target/ppc/translate/fixedpoint-impl.c.inc b/target/ppc/translate/fixedpoint-impl.c.inc index 1aab32be03..62f5027b5b 100644 --- a/target/ppc/translate/fixedpoint-impl.c.inc +++ b/target/ppc/translate/fixedpoint-impl.c.inc @@ -492,3 +492,38 @@ static bool trans_PEXTD(DisasContext *ctx, arg_X *a) #endif return true; } + +static bool trans_ADDG6S(DisasContext *ctx, arg_X *a) +{ + const uint64_t nibbles = 0x0f0f0f0f0f0f0f0fULL, + carry_bits = 0x1010101010101010ULL; + TCGv t0, t1, t2; + + REQUIRE_INSNS_FLAGS2(ctx, BCDA_ISA206); + + t0 = tcg_temp_new(); + t1 = tcg_temp_new(); + t2 = tcg_temp_new(); + + tcg_gen_andi_tl(t0, cpu_gpr[a->ra], nibbles); + tcg_gen_andi_tl(t1, cpu_gpr[a->rb], nibbles); + tcg_gen_add_tl(t0, t0, t1); + tcg_gen_andi_tl(t0, t0, carry_bits); + tcg_gen_shri_tl(t0, t0, 4); + + tcg_gen_shri_tl(t1, cpu_gpr[a->ra], 4); + tcg_gen_shri_tl(t2, cpu_gpr[a->rb], 4); + tcg_gen_andi_tl(t1, t1, nibbles); + tcg_gen_andi_tl(t2, t2, nibbles); + tcg_gen_add_tl(t1, t1, t2); + tcg_gen_andi_tl(t1, t1, carry_bits); + + tcg_gen_or_tl(t0, t0, t1); + tcg_gen_muli_tl(cpu_gpr[a->rt], t0, 6); + + tcg_temp_free(t0); + tcg_temp_free(t1); + tcg_temp_free(t2); + + return true; +}