From patchwork Fri Jun 10 18:23:08 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: 1642125 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) 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 bilbo.ozlabs.org (Postfix) with ESMTPS id 4LKTwy4MCKz9s2R for ; Sat, 11 Jun 2022 04:28:18 +1000 (AEST) Received: from localhost ([::1]:33376 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nzjMm-0002jl-LP for incoming@patchwork.ozlabs.org; Fri, 10 Jun 2022 14:28:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38554) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nzjJx-00013I-CB; Fri, 10 Jun 2022 14:25:22 -0400 Received: from [187.72.171.209] (port=48290 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nzjJv-0003eJ-HI; Fri, 10 Jun 2022 14:25:20 -0400 Received: from p9ibm ([10.10.71.235]) by outlook.eldorado.org.br over TLS secured channel with Microsoft SMTPSVC(8.5.9600.16384); Fri, 10 Jun 2022 15:23:43 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 0186E800058; Fri, 10 Jun 2022 15:23:43 -0300 (-03) From: =?utf-8?q?V=C3=ADctor_Colombo?= To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Cc: clg@kaod.org, danielhb413@gmail.com, david@gibson.dropbear.id.au, groug@kaod.org, richard.henderson@linaro.org, victor.colombo@eldorado.org.br, Matheus Ferst Subject: [PATCH RESEND v2 09/11] target/ppc: implement addg6s Date: Fri, 10 Jun 2022 15:23:08 -0300 Message-Id: <20220610182310.68715-10-victor.colombo@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220610182310.68715-1-victor.colombo@eldorado.org.br> References: <20220610182310.68715-1-victor.colombo@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 10 Jun 2022 18:23:43.0228 (UTC) FILETIME=[3732EBC0:01D87CF7] 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: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.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 | 37 ++++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index da507758b8..f71721f3c0 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -311,6 +311,10 @@ 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..490e49cfc7 100644 --- a/target/ppc/translate/fixedpoint-impl.c.inc +++ b/target/ppc/translate/fixedpoint-impl.c.inc @@ -492,3 +492,40 @@ static bool trans_PEXTD(DisasContext *ctx, arg_X *a) #endif return true; } + +static bool trans_ADDG6S(DisasContext *ctx, arg_X *a) +{ + const uint64_t carry_bits = 0x1111111111111111ULL; + TCGv t0, t1, carry, zero = tcg_constant_tl(0); + + REQUIRE_INSNS_FLAGS2(ctx, BCDA_ISA206); + + t0 = tcg_temp_new(); + t1 = tcg_const_tl(0); + carry = tcg_const_tl(0); + + for (int i = 0; i < 16; i++) { + tcg_gen_shri_tl(t0, cpu_gpr[a->ra], i * 4); + tcg_gen_andi_tl(t0, t0, 0xf); + tcg_gen_add_tl(t1, t1, t0); + + tcg_gen_shri_tl(t0, cpu_gpr[a->rb], i * 4); + tcg_gen_andi_tl(t0, t0, 0xf); + tcg_gen_add_tl(t1, t1, t0); + + tcg_gen_andi_tl(t1, t1, 0x10); + tcg_gen_setcond_tl(TCG_COND_NE, t1, t1, zero); + + tcg_gen_shli_tl(t0, t1, i * 4); + tcg_gen_or_tl(carry, carry, t0); + } + + tcg_gen_xori_tl(carry, carry, (target_long)carry_bits); + tcg_gen_muli_tl(cpu_gpr[a->rt], carry, 6); + + tcg_temp_free(t0); + tcg_temp_free(t1); + tcg_temp_free(carry); + + return true; +}