From patchwork Thu Oct 21 19:45:42 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: 12576487 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 A3662C433F5 for ; Thu, 21 Oct 2021 20:31:47 +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 42C03610A1 for ; Thu, 21 Oct 2021 20:31:47 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 42C03610A1 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=eldorado.org.br Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:53358 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mdej4-0006hB-5D for qemu-devel@archiver.kernel.org; Thu, 21 Oct 2021 16:31:46 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34570) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mde7S-0002kZ-3Z; Thu, 21 Oct 2021 15:52:55 -0400 Received: from [201.28.113.2] (port=46784 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mde7O-0005Hb-Ra; Thu, 21 Oct 2021 15:52:53 -0400 Received: from power9a ([10.10.71.235]) by outlook.eldorado.org.br with Microsoft SMTPSVC(8.5.9600.16384); Thu, 21 Oct 2021 16:47:05 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by power9a (Postfix) with ESMTP id 79EE0800145; Thu, 21 Oct 2021 16:47:05 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH 28/33] target/ppc: moved XXSPLTIB to using decodetree Date: Thu, 21 Oct 2021 16:45:42 -0300 Message-Id: <20211021194547.672988-29-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 19:47:06.0035 (UTC) FILETIME=[6D44B030:01D7C6B4] 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, "Bruno Larsen \(billionai\)" , 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: "Bruno Larsen (billionai)" Changed the function that handles XXSPLTIB emulation to using decodetree, but still use the same logic as before Signed-off-by: Bruno Larsen (billionai) Signed-off-by: Matheus Ferst Reviewed-by: Richard Henderson --- target/ppc/insn32.decode | 5 +++++ target/ppc/translate/vsx-impl.c.inc | 20 ++++++-------------- target/ppc/translate/vsx-ops.c.inc | 1 - 3 files changed, 11 insertions(+), 15 deletions(-) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 5d425ec076..fd73946122 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -96,6 +96,10 @@ &X_bfl bf l:bool ra rb @X_bfl ...... bf:3 - l:1 ra:5 rb:5 ..........- &X_bfl +%x_xt 0:1 21:5 +&X_imm8 xt imm:uint8_t +@X_imm8 ...... ..... .. imm:8 .......... . &X_imm8 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 @@ -414,4 +418,5 @@ STXVPX 011111 ..... ..... ..... 0111001101 - @X_TSXP ## VSX splat instruction +XXSPLTIB 111100 ..... 00 ........ 0101101000 . @X_imm8 XXSPLTW 111100 ..... ---.. ..... 010100100 . . @XX2 diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc index a35e290f16..3dbdfc2539 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -1480,23 +1480,15 @@ static bool trans_XXSPLTW(DisasContext *ctx, arg_XX2 *a) #define pattern(x) (((x) & 0xff) * (~(uint64_t)0 / 0xff)) -static void gen_xxspltib(DisasContext *ctx) +static bool trans_XXSPLTIB(DisasContext *ctx, arg_X_imm8 *a) { - uint8_t uim8 = IMM8(ctx->opcode); - int rt = xT(ctx->opcode); - - if (rt < 32) { - if (unlikely(!ctx->vsx_enabled)) { - gen_exception(ctx, POWERPC_EXCP_VSXU); - return; - } + if (a->xt < 32) { + REQUIRE_VSX(ctx); } else { - if (unlikely(!ctx->altivec_enabled)) { - gen_exception(ctx, POWERPC_EXCP_VPU); - return; - } + REQUIRE_VECTOR(ctx); } - tcg_gen_gvec_dup_imm(MO_8, vsr_full_offset(rt), 16, 16, uim8); + tcg_gen_gvec_dup_imm(MO_8, vsr_full_offset(a->xt), 16, 16, a->imm); + return true; } static void gen_xxsldwi(DisasContext *ctx) diff --git a/target/ppc/translate/vsx-ops.c.inc b/target/ppc/translate/vsx-ops.c.inc index b669b64d35..152d1e5c3b 100644 --- a/target/ppc/translate/vsx-ops.c.inc +++ b/target/ppc/translate/vsx-ops.c.inc @@ -348,7 +348,6 @@ GEN_XX3FORM(xxmrghw, 0x08, 0x02, PPC2_VSX), GEN_XX3FORM(xxmrglw, 0x08, 0x06, PPC2_VSX), GEN_XX3FORM(xxperm, 0x08, 0x03, PPC2_ISA300), GEN_XX3FORM(xxpermr, 0x08, 0x07, PPC2_ISA300), -GEN_XX1FORM(xxspltib, 0x08, 0x0B, PPC2_ISA300), GEN_XX3FORM_DM(xxsldwi, 0x08, 0x00), GEN_XX2FORM_EXT(xxextractuw, 0x0A, 0x0A, PPC2_ISA300), GEN_XX2FORM_EXT(xxinsertw, 0x0A, 0x0B, PPC2_ISA300),