From patchwork Tue Nov 9 05:52:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 12609879 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1594FC433F5 for ; Tue, 9 Nov 2021 07:09:40 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id CB89C6115B for ; Tue, 9 Nov 2021 07:09:39 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org CB89C6115B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gibson.dropbear.id.au Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:35390 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkLGE-00068c-Ub for qemu-devel@archiver.kernel.org; Tue, 09 Nov 2021 02:09:39 -0500 Received: from eggs.gnu.org ([209.51.188.92]:50920) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkK5G-0006Ja-6v; Tue, 09 Nov 2021 00:54:14 -0500 Received: from gandalf.ozlabs.org ([150.107.74.76]:46901) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkK5B-0006y0-BZ; Tue, 09 Nov 2021 00:54:13 -0500 Received: by gandalf.ozlabs.org (Postfix, from userid 1007) id 4HpHDp73cyz4xfV; Tue, 9 Nov 2021 16:52:10 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gibson.dropbear.id.au; s=201602; t=1636437131; bh=v3fWcZTQpo/CN6AuJvnMWvjIgXtZBd39tqc+piuYJgc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h224dNm/hcb5paXRUFhy7RRYYKmd1iPggPBp1NY3wtQk/eyFhARQgbUmrF92dmP6i P7a8Xvv4NHHIWXY2zEK1egbOxLmT++ABFtg0Zbtj8ftxk1i/TT6ahdUdcGOWuGXddj x5+2zgokRfHwnhctOXD5MmTeNvnHpJ+EIemVBJps= From: David Gibson To: peter.maydell@linaro.org, clg@kaod.org, danielhb413@gmail.com, groug@kaod.org Subject: [PULL 51/54] target/ppc: Implement lxvkq instruction Date: Tue, 9 Nov 2021 16:52:01 +1100 Message-Id: <20211109055204.230765-52-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211109055204.230765-1-david@gibson.dropbear.id.au> References: <20211109055204.230765-1-david@gibson.dropbear.id.au> MIME-Version: 1.0 Received-SPF: pass client-ip=150.107.74.76; envelope-from=dgibson@gandalf.ozlabs.org; helo=gandalf.ozlabs.org X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, SPF_HELO_PASS=-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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Henderson , qemu-devel@nongnu.org, Luis Pires , qemu-ppc@nongnu.org, Matheus Ferst , David Gibson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Matheus Ferst Reviewed-by: Richard Henderson Signed-off-by: Luis Pires Signed-off-by: Matheus Ferst Message-Id: <20211104123719.323713-25-matheus.ferst@eldorado.org.br> Signed-off-by: David Gibson --- target/ppc/insn32.decode | 7 +++++ target/ppc/translate/vsx-impl.c.inc | 43 +++++++++++++++++++++++++++++ 2 files changed, 50 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 d1de0da877..c0e38060b4 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -1503,6 +1503,49 @@ 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 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 (values[a->uim]) { + set_cpu_vsr(a->xt, tcg_constant_i64(0x0), false); + set_cpu_vsr(a->xt, tcg_constant_i64(values[a->uim]), true); + } else { + gen_invalid(ctx); + } + + return true; +} + static void gen_xxsldwi(DisasContext *ctx) { TCGv_i64 xth, xtl;