From patchwork Fri Jun 10 18:23:03 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: 12877897 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 597BEC43334 for ; Fri, 10 Jun 2022 18:37:59 +0000 (UTC) Received: from localhost ([::1]:51832 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nzjWA-0007Us-Cw for qemu-devel@archiver.kernel.org; Fri, 10 Jun 2022 14:37:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38382) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nzjJf-0000s4-Ft; Fri, 10 Jun 2022 14:25:03 -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 1nzjJd-0003eJ-Rq; Fri, 10 Jun 2022 14:25:03 -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 15:23:42 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by p9ibm (Postfix) with ESMTP id 82898800058; Fri, 10 Jun 2022 15:23:42 -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 Subject: [PATCH RESEND v2 04/11] target/ppc: Move mffsl to decodetree Date: Fri, 10 Jun 2022 15:23:03 -0300 Message-Id: <20220610182310.68715-5-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 18:23:42.0680 (UTC) FILETIME=[36DF4D80:01D87CF7] 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Víctor Colombo --- target/ppc/insn32.decode | 1 + target/ppc/translate/fp-impl.c.inc | 38 +++++++++++++----------------- target/ppc/translate/fp-ops.c.inc | 2 -- 3 files changed, 17 insertions(+), 24 deletions(-) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index 7cf08ab436..90f7cca34e 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -345,6 +345,7 @@ SETNBCR 011111 ..... ..... ----- 0111100000 - @X_bi MFFSCE 111111 ..... 00001 ----- 1001000111 - @X_t MFFSCRN 111111 ..... 10110 ..... 1001000111 - @X_tb MFFSCRNI 111111 ..... 10111 ---.. 1001000111 - @X_imm2 +MFFSL 111111 ..... 11000 ----- 1001000111 - @X_t ### Decimal Floating-Point Arithmetic Instructions diff --git a/target/ppc/translate/fp-impl.c.inc b/target/ppc/translate/fp-impl.c.inc index 64e26b9b42..4f4d57c611 100644 --- a/target/ppc/translate/fp-impl.c.inc +++ b/target/ppc/translate/fp-impl.c.inc @@ -633,28 +633,6 @@ static void gen_mffs(DisasContext *ctx) tcg_temp_free_i64(t0); } -/* mffsl */ -static void gen_mffsl(DisasContext *ctx) -{ - TCGv_i64 t0; - - if (unlikely(!(ctx->insns_flags2 & PPC2_ISA300))) { - return gen_mffs(ctx); - } - - if (unlikely(!ctx->fpu_enabled)) { - gen_exception(ctx, POWERPC_EXCP_FPU); - return; - } - t0 = tcg_temp_new_i64(); - gen_reset_fpstatus(); - tcg_gen_extu_tl_i64(t0, cpu_fpscr); - /* Mask everything except mode, status, and enables. */ - tcg_gen_andi_i64(t0, t0, FP_DRN | FP_STATUS | FP_ENABLES | FP_RN); - set_fpr(rD(ctx->opcode), t0); - tcg_temp_free_i64(t0); -} - static TCGv_i64 place_from_fpscr(int rt, uint64_t mask) { TCGv_i64 fpscr = tcg_temp_new_i64(); @@ -739,6 +717,22 @@ static bool trans_MFFSCRNI(DisasContext *ctx, arg_X_imm2 *a) return true; } +static bool trans_MFFSL(DisasContext *ctx, arg_X_t *a) +{ + TCGv_i64 fpscr; + + REQUIRE_INSNS_FLAGS2(ctx, ISA300); + REQUIRE_FPU(ctx); + + gen_reset_fpstatus(); + fpscr = place_from_fpscr(a->rt, + FP_DRN | FP_STATUS | FP_ENABLES | FP_NI | FP_RN); + + tcg_temp_free_i64(fpscr); + + return true; +} + /* mtfsb0 */ static void gen_mtfsb0(DisasContext *ctx) { diff --git a/target/ppc/translate/fp-ops.c.inc b/target/ppc/translate/fp-ops.c.inc index a76943b8bf..f8c35124ae 100644 --- a/target/ppc/translate/fp-ops.c.inc +++ b/target/ppc/translate/fp-ops.c.inc @@ -75,8 +75,6 @@ GEN_HANDLER_E(fmrgew, 0x3F, 0x06, 0x1E, 0x00000001, PPC_NONE, PPC2_VSX207), GEN_HANDLER_E(fmrgow, 0x3F, 0x06, 0x1A, 0x00000001, PPC_NONE, PPC2_VSX207), GEN_HANDLER(mcrfs, 0x3F, 0x00, 0x02, 0x0063F801, PPC_FLOAT), GEN_HANDLER_E_2(mffs, 0x3F, 0x07, 0x12, 0x00, 0x00000000, PPC_FLOAT, PPC_NONE), -GEN_HANDLER_E_2(mffsl, 0x3F, 0x07, 0x12, 0x18, 0x00000000, PPC_FLOAT, - PPC2_ISA300), GEN_HANDLER(mtfsb0, 0x3F, 0x06, 0x02, 0x001FF800, PPC_FLOAT), GEN_HANDLER(mtfsb1, 0x3F, 0x06, 0x01, 0x001FF800, PPC_FLOAT), GEN_HANDLER(mtfsf, 0x3F, 0x07, 0x16, 0x00000000, PPC_FLOAT),