From patchwork Thu Oct 21 19:45:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matheus K. Ferst" X-Patchwork-Id: 1544627 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 4HZzjX70jpz9sNH for ; Fri, 22 Oct 2021 07:34:23 +1100 (AEDT) Received: from localhost ([::1]:58294 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mdelY-0001kH-Af for incoming@patchwork.ozlabs.org; Thu, 21 Oct 2021 16:34:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34748) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mde8k-00051m-6k; Thu, 21 Oct 2021 15:54:14 -0400 Received: from [201.28.113.2] (port=19044 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mde8i-0006WJ-Ah; Thu, 21 Oct 2021 15:54:13 -0400 Received: from power9a ([10.10.71.235]) by outlook.eldorado.org.br with Microsoft SMTPSVC(8.5.9600.16384); Thu, 21 Oct 2021 16:47:08 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by power9a (Postfix) with ESMTP id BE76080012A; Thu, 21 Oct 2021 16:47:07 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH 33/33] target/ppc: Implement lxvkq instruction Date: Thu, 21 Oct 2021 16:45:47 -0300 Message-Id: <20211021194547.672988-34-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211021194547.672988-1-matheus.ferst@eldorado.org.br> References: <20211021194547.672988-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 21 Oct 2021 19:47:08.0251 (UTC) FILETIME=[6E96D2B0:01D7C6B4] X-Host-Lookup-Failed: Reverse DNS lookup failed for 201.28.113.2 (failed) Received-SPF: pass client-ip=201.28.113.2; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -10 X-Spam_score: -1.1 X-Spam_bar: - X-Spam_report: (-1.1 / 5.0 requ) BAYES_00=-1.9, PDS_HP_HELO_NORDNS=0.001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: lucas.castro@eldorado.org.br, richard.henderson@linaro.org, groug@kaod.org, luis.pires@eldorado.org.br, matheus.ferst@eldorado.org.br, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Matheus Ferst Signed-off-by: Luis Pires Signed-off-by: Matheus Ferst Reviewed-by: Richard Henderson --- target/ppc/insn32.decode | 7 +++++ target/ppc/translate/vsx-impl.c.inc | 44 +++++++++++++++++++++++++++++ 2 files changed, 51 insertions(+) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index fd73946122..e135b8aba4 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -100,6 +100,9 @@ &X_imm8 xt imm:uint8_t @X_imm8 ...... ..... .. imm:8 .......... . &X_imm8 xt=%x_xt +&X_uim5 xt uim:uint8_t +@X_uim5 ...... ..... ..... uim:5 .......... . &X_uim5 xt=%x_xt + &X_tb_sp_rc rt rb sp rc:bool @X_tb_sp_rc ...... rt:5 sp:2 ... rb:5 .......... rc:1 &X_tb_sp_rc @@ -420,3 +423,7 @@ STXVPX 011111 ..... ..... ..... 0111001101 - @X_TSXP XXSPLTIB 111100 ..... 00 ........ 0101101000 . @X_imm8 XXSPLTW 111100 ..... ---.. ..... 010100100 . . @XX2 + +## VSX Vector Load Special Value Instruction + +LXVKQ 111100 ..... 11111 ..... 0101101000 . @X_uim5 diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc index 4619d7f238..badf70cb01 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -1552,6 +1552,50 @@ static bool trans_XXSPLTI32DX(DisasContext *ctx, arg_8RR_D_IX *a) return true; } +static bool trans_LXVKQ(DisasContext *ctx, arg_X_uim5 *a) +{ + static const uint32_t valid_values = 0b00000001111111110000001111111110; + static const uint64_t values[32] = { + 0, /* Unspecified */ + 0x3FFF000000000000llu, /* QP +1.0 */ + 0x4000000000000000llu, /* QP +2.0 */ + 0x4000800000000000llu, /* QP +3.0 */ + 0x4001000000000000llu, /* QP +4.0 */ + 0x4001400000000000llu, /* QP +5.0 */ + 0x4001800000000000llu, /* QP +6.0 */ + 0x4001C00000000000llu, /* QP +7.0 */ + 0x7FFF000000000000llu, /* QP +Inf */ + 0x7FFF800000000000llu, /* QP dQNaN */ + 0, /* Unspecified */ + 0, /* Unspecified */ + 0, /* Unspecified */ + 0, /* Unspecified */ + 0, /* Unspecified */ + 0, /* Unspecified */ + 0x8000000000000000llu, /* QP -0.0 */ + 0xBFFF000000000000llu, /* QP -1.0 */ + 0xC000000000000000llu, /* QP -2.0 */ + 0xC000800000000000llu, /* QP -3.0 */ + 0xC001000000000000llu, /* QP -4.0 */ + 0xC001400000000000llu, /* QP -5.0 */ + 0xC001800000000000llu, /* QP -6.0 */ + 0xC001C00000000000llu, /* QP -7.0 */ + 0xFFFF000000000000llu, /* QP -Inf */ + }; + + REQUIRE_INSNS_FLAGS2(ctx, ISA310); + REQUIRE_VSX(ctx); + + if (!(valid_values & (1 << a->uim))) { + gen_invalid(ctx); + } else { + set_cpu_vsrl(a->xt, tcg_constant_i64(0x0)); + set_cpu_vsrh(a->xt, tcg_constant_i64(values[a->uim])); + } + + return true; +} + static void gen_xxsldwi(DisasContext *ctx) { TCGv_i64 xth, xtl;