From patchwork Mon Sep 5 12:37:44 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: 12966107 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 8F8DBECAAD5 for ; Mon, 5 Sep 2022 13:02:19 +0000 (UTC) Received: from localhost ([::1]:45354 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVBk2-0006VM-1X for qemu-devel@archiver.kernel.org; Mon, 05 Sep 2022 09:02:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59806) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oVBMn-0004Lx-Ly; Mon, 05 Sep 2022 08:38:17 -0400 Received: from [200.168.210.66] (port=8387 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVBMl-0005xB-Qj; Mon, 05 Sep 2022 08:38:17 -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, 5 Sep 2022 09:38:03 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 5ED5F8001D1; Mon, 5 Sep 2022 09:38:03 -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@eldorado.org.br, lucas.araujo@eldorado.org.br, leandro.lupori@eldorado.org.br, lucas.coutinho@eldorado.org.br Subject: [PATCH 1/3] target/ppc: Move fsqrt to decodetree Date: Mon, 5 Sep 2022 09:37:44 -0300 Message-Id: <20220905123746.54659-2-victor.colombo@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220905123746.54659-1-victor.colombo@eldorado.org.br> References: <20220905123746.54659-1-victor.colombo@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 05 Sep 2022 12:38:03.0877 (UTC) FILETIME=[57855950:01D8C124] X-Host-Lookup-Failed: Reverse DNS lookup failed for 200.168.210.66 (failed) Received-SPF: pass client-ip=200.168.210.66; envelope-from=victor.colombo@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, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Víctor Colombo Reviewed-by: Richard Henderson --- target/ppc/insn32.decode | 7 +++++++ target/ppc/translate/fp-impl.c.inc | 29 +++++++++++++++++------------ target/ppc/translate/fp-ops.c.inc | 1 - 3 files changed, 24 insertions(+), 13 deletions(-) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index eb41efc100..b55d1550f3 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -20,6 +20,9 @@ &A frt fra frb frc rc:bool @A ...... frt:5 fra:5 frb:5 frc:5 ..... rc:1 &A +&A_tb frt frb rc:bool +@A_tb ...... frt:5 ..... frb:5 ..... ..... rc:1 &A_tb + &D rt ra si:int64_t @D ...... rt:5 ra:5 si:s16 &D @@ -353,6 +356,10 @@ STFDU 110111 ..... ...... ............... @D STFDX 011111 ..... ...... .... 1011010111 - @X STFDUX 011111 ..... ...... .... 1011110111 - @X +### Floating-Point Arithmetic Instructions + +FSQRT 111111 ..... ----- ..... ----- 10110 . @A_tb + ### Floating-Point Select Instruction FSEL 111111 ..... ..... ..... ..... 10111 . @A diff --git a/target/ppc/translate/fp-impl.c.inc b/target/ppc/translate/fp-impl.c.inc index 0e893eafa7..e8359af005 100644 --- a/target/ppc/translate/fp-impl.c.inc +++ b/target/ppc/translate/fp-impl.c.inc @@ -254,29 +254,34 @@ static bool trans_FSEL(DisasContext *ctx, arg_A *a) GEN_FLOAT_AB(sub, 0x14, 0x000007C0, 1, PPC_FLOAT); /* Optional: */ -/* fsqrt */ -static void gen_fsqrt(DisasContext *ctx) +static bool do_helper_fsqrt(DisasContext *ctx, arg_A_tb *a, + void (*helper)(TCGv_i64, TCGv_ptr, TCGv_i64)) { - TCGv_i64 t0; - TCGv_i64 t1; - if (unlikely(!ctx->fpu_enabled)) { - gen_exception(ctx, POWERPC_EXCP_FPU); - return; - } + TCGv_i64 t0, t1; + + REQUIRE_INSNS_FLAGS(ctx, FLOAT_FSQRT); + REQUIRE_FPU(ctx); + t0 = tcg_temp_new_i64(); t1 = tcg_temp_new_i64(); + gen_reset_fpstatus(); - get_fpr(t0, rB(ctx->opcode)); - gen_helper_fsqrt(t1, cpu_env, t0); - set_fpr(rD(ctx->opcode), t1); + get_fpr(t0, a->frb); + helper(t1, cpu_env, t0); + set_fpr(a->frt, t1); gen_compute_fprf_float64(t1); - if (unlikely(Rc(ctx->opcode) != 0)) { + if (unlikely(a->rc != 0)) { gen_set_cr1_from_fpscr(ctx); } + tcg_temp_free_i64(t0); tcg_temp_free_i64(t1); + + return true; } +TRANS(FSQRT, do_helper_fsqrt, gen_helper_fsqrt); + static void gen_fsqrts(DisasContext *ctx) { TCGv_i64 t0; diff --git a/target/ppc/translate/fp-ops.c.inc b/target/ppc/translate/fp-ops.c.inc index 1b65f5ab73..38759f5939 100644 --- a/target/ppc/translate/fp-ops.c.inc +++ b/target/ppc/translate/fp-ops.c.inc @@ -62,7 +62,6 @@ GEN_HANDLER_E(stfdepx, 0x1F, 0x1F, 0x16, 0x00000001, PPC_NONE, PPC2_BOOKE206), GEN_HANDLER_E(stfdpx, 0x1F, 0x17, 0x1C, 0x00200001, PPC_NONE, PPC2_ISA205), GEN_HANDLER(frsqrtes, 0x3B, 0x1A, 0xFF, 0x001F07C0, PPC_FLOAT_FRSQRTES), -GEN_HANDLER(fsqrt, 0x3F, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_FSQRT), GEN_HANDLER(fsqrts, 0x3B, 0x16, 0xFF, 0x001F07C0, PPC_FLOAT_FSQRT), GEN_HANDLER(fcmpo, 0x3F, 0x00, 0x01, 0x00600001, PPC_FLOAT), GEN_HANDLER(fcmpu, 0x3F, 0x00, 0x00, 0x00600001, PPC_FLOAT),