From patchwork Wed Oct 31 13:20:08 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bastian Koppelmann X-Patchwork-Id: 991430 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=mail.uni-paderborn.de Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42lV5p3MqLz9s3q for ; Thu, 1 Nov 2018 00:47:58 +1100 (AEDT) Received: from localhost ([::1]:59604 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gHqqi-0007Wr-3n for incoming@patchwork.ozlabs.org; Wed, 31 Oct 2018 09:47:56 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37470) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gHqRa-0004mM-Sr for qemu-devel@nongnu.org; Wed, 31 Oct 2018 09:22:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gHqRX-00034N-J0 for qemu-devel@nongnu.org; Wed, 31 Oct 2018 09:21:58 -0400 Received: from mail.uni-paderborn.de ([131.234.142.9]:60460) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gHqRX-0002CU-1M; Wed, 31 Oct 2018 09:21:55 -0400 Received: from tweenies.uni-paderborn.de ([131.234.189.21] helo=localhost.localdomain) by mail.uni-paderborn.de with esmtp (Exim 4.89 spheron) id 1gHqQZ-0004q4-HX; Wed, 31 Oct 2018 14:20:55 +0100 Received: from mail.uni-paderborn.de by tweenies with queue id 2934693-4; Wed, 31 Oct 2018 13:20:55 GMT X-Envelope-From: Received: from [131.234.87.238] (helo=mustique.hni.uni-paderborn.de) by mail.uni-paderborn.de with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89 nylar) id 1gHqQZ-0005dh-N4; Wed, 31 Oct 2018 14:20:55 +0100 From: Bastian Koppelmann To: mjc@sifive.com, sagark@eecs.berkeley.edu, palmer@sifive.com, kbastian@mail.uni-paderborn.de, Alistair.Francis@wdc.com Date: Wed, 31 Oct 2018 14:20:08 +0100 Message-Id: <20181031132029.4887-15-kbastian@mail.uni-paderborn.de> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181031132029.4887-1-kbastian@mail.uni-paderborn.de> References: <20181031132029.4887-1-kbastian@mail.uni-paderborn.de> MIME-Version: 1.0 X-PMX-Version: 6.4.5.2775670, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2018.10.31.131216, AntiVirus-Engine: 5.53.0, AntiVirus-Data: 2018.10.10.5530001 X-IMT-Spam-Score: 0.0 () X-IMT-Authenticated-Sender: X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 131.234.142.9 Subject: [Qemu-devel] [PATCH v3 14/35] target/riscv: Convert RV32D insns to decodetree X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-riscv@nongnu.org, peer.adelt@hni.uni-paderborn.de, richard.henderson@linaro.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Richard Henderson Signed-off-by: Bastian Koppelmann Signed-off-by: Peer Adelt --- v2 -> v3: - dropped TARGET_RISCV64 requirement for fclass_d - dropped insn argument of trans_foo functions target/riscv/insn32.decode | 28 +++ target/riscv/insn_trans/trans_rvd.inc.c | 315 ++++++++++++++++++++++++ target/riscv/translate.c | 1 + 3 files changed, 344 insertions(+) create mode 100644 target/riscv/insn_trans/trans_rvd.inc.c diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 57efe0dcff..b933c349a4 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -154,3 +154,31 @@ fclass_s 1110000 00000 ..... 001 ..... 1010011 @r2 fcvt_s_w 1101000 00000 ..... ... ..... 1010011 @r2_rm fcvt_s_wu 1101000 00001 ..... ... ..... 1010011 @r2_rm fmv_w_x 1111000 00000 ..... 000 ..... 1010011 @r2 + +# *** RV32D Standard Extension *** +fld ............ ..... 011 ..... 0000111 @i +fsd ....... ..... ..... 011 ..... 0100111 @s +fmadd_d ..... 01 ..... ..... ... ..... 1000011 @r4_rm +fmsub_d ..... 01 ..... ..... ... ..... 1000111 @r4_rm +fnmsub_d ..... 01 ..... ..... ... ..... 1001011 @r4_rm +fnmadd_d ..... 01 ..... ..... ... ..... 1001111 @r4_rm +fadd_d 0000001 ..... ..... ... ..... 1010011 @r_rm +fsub_d 0000101 ..... ..... ... ..... 1010011 @r_rm +fmul_d 0001001 ..... ..... ... ..... 1010011 @r_rm +fdiv_d 0001101 ..... ..... ... ..... 1010011 @r_rm +fsqrt_d 0101101 00000 ..... ... ..... 1010011 @r2_rm +fsgnj_d 0010001 ..... ..... 000 ..... 1010011 @r +fsgnjn_d 0010001 ..... ..... 001 ..... 1010011 @r +fsgnjx_d 0010001 ..... ..... 010 ..... 1010011 @r +fmin_d 0010101 ..... ..... 000 ..... 1010011 @r +fmax_d 0010101 ..... ..... 001 ..... 1010011 @r +fcvt_s_d 0100000 00001 ..... ... ..... 1010011 @r2_rm +fcvt_d_s 0100001 00000 ..... ... ..... 1010011 @r2_rm +feq_d 1010001 ..... ..... 010 ..... 1010011 @r +flt_d 1010001 ..... ..... 001 ..... 1010011 @r +fle_d 1010001 ..... ..... 000 ..... 1010011 @r +fclass_d 1110001 00000 ..... 001 ..... 1010011 @r2 +fcvt_w_d 1100001 00000 ..... ... ..... 1010011 @r2_rm +fcvt_wu_d 1100001 00001 ..... ... ..... 1010011 @r2_rm +fcvt_d_w 1101001 00000 ..... ... ..... 1010011 @r2_rm +fcvt_d_wu 1101001 00001 ..... ... ..... 1010011 @r2_rm diff --git a/target/riscv/insn_trans/trans_rvd.inc.c b/target/riscv/insn_trans/trans_rvd.inc.c new file mode 100644 index 0000000000..a7e2335ffa --- /dev/null +++ b/target/riscv/insn_trans/trans_rvd.inc.c @@ -0,0 +1,315 @@ +/* + * RISC-V translation routines for the RV64D Standard Extension. + * + * Copyright (c) 2016-2017 Sagar Karandikar, sagark@eecs.berkeley.edu + * Copyright (c) 2018 Peer Adelt, peer.adelt@hni.uni-paderborn.de + * Bastian Koppelmann, kbastian@mail.uni-paderborn.de + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see . + */ + +static bool trans_fld(DisasContext *ctx, arg_fld *a) +{ + TCGv t0 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + REQUIRE_FPU; + tcg_gen_addi_tl(t0, t0, a->imm); + + tcg_gen_qemu_ld_i64(cpu_fpr[a->rd], t0, ctx->mem_idx, MO_TEQ); + + tcg_temp_free(t0); + return true; +} + +static bool trans_fsd(DisasContext *ctx, arg_fsd *a) +{ + TCGv t0 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + REQUIRE_FPU; + tcg_gen_addi_tl(t0, t0, a->imm); + + tcg_gen_qemu_st_i64(cpu_fpr[a->rs2], t0, ctx->mem_idx, MO_TEQ); + + tcg_temp_free(t0); + return true; +} + +static bool trans_fmadd_d(DisasContext *ctx, arg_fmadd_d *a) +{ + REQUIRE_FPU; + gen_set_rm(ctx, a->rm); + gen_helper_fmadd_d(cpu_fpr[a->rd], cpu_env, cpu_fpr[a->rs1], + cpu_fpr[a->rs2], cpu_fpr[a->rs3]); + return true; +} + +static bool trans_fmsub_d(DisasContext *ctx, arg_fmsub_d *a) +{ + REQUIRE_FPU; + gen_set_rm(ctx, a->rm); + gen_helper_fmsub_d(cpu_fpr[a->rd], cpu_env, cpu_fpr[a->rs1], + cpu_fpr[a->rs2], cpu_fpr[a->rs3]); + return true; +} + +static bool trans_fnmsub_d(DisasContext *ctx, arg_fnmsub_d *a) +{ + REQUIRE_FPU; + gen_set_rm(ctx, a->rm); + gen_helper_fnmsub_d(cpu_fpr[a->rd], cpu_env, cpu_fpr[a->rs1], + cpu_fpr[a->rs2], cpu_fpr[a->rs3]); + return true; +} + +static bool trans_fnmadd_d(DisasContext *ctx, arg_fnmadd_d *a) +{ + REQUIRE_FPU; + gen_set_rm(ctx, a->rm); + gen_helper_fnmadd_d(cpu_fpr[a->rd], cpu_env, cpu_fpr[a->rs1], + cpu_fpr[a->rs2], cpu_fpr[a->rs3]); + return true; +} + +static bool trans_fadd_d(DisasContext *ctx, arg_fadd_d *a) +{ + REQUIRE_FPU; + + gen_set_rm(ctx, a->rm); + gen_helper_fadd_d(cpu_fpr[a->rd], cpu_env, + cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + + return true; +} + +static bool trans_fsub_d(DisasContext *ctx, arg_fsub_d *a) +{ + REQUIRE_FPU; + + gen_set_rm(ctx, a->rm); + gen_helper_fsub_d(cpu_fpr[a->rd], cpu_env, + cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + + return true; +} + +static bool trans_fmul_d(DisasContext *ctx, arg_fmul_d *a) +{ + REQUIRE_FPU; + + gen_set_rm(ctx, a->rm); + gen_helper_fmul_d(cpu_fpr[a->rd], cpu_env, + cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + + return true; +} + +static bool trans_fdiv_d(DisasContext *ctx, arg_fdiv_d *a) +{ + REQUIRE_FPU; + + gen_set_rm(ctx, a->rm); + gen_helper_fdiv_d(cpu_fpr[a->rd], cpu_env, + cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + + return true; +} + +static bool trans_fsqrt_d(DisasContext *ctx, arg_fsqrt_d *a) +{ + REQUIRE_FPU; + + gen_set_rm(ctx, a->rm); + gen_helper_fsqrt_d(cpu_fpr[a->rd], cpu_env, cpu_fpr[a->rs1]); + + return true; +} + +static bool trans_fsgnj_d(DisasContext *ctx, arg_fsgnj_d *a) +{ + if (a->rs1 == a->rs2) { /* FMOV */ + tcg_gen_mov_i64(cpu_fpr[a->rd], cpu_fpr[a->rs1]); + } else { + tcg_gen_deposit_i64(cpu_fpr[a->rd], cpu_fpr[a->rs2], + cpu_fpr[a->rs1], 0, 63); + } + return true; +} + +static bool trans_fsgnjn_d(DisasContext *ctx, arg_fsgnjn_d *a) +{ + REQUIRE_FPU; + if (a->rs1 == a->rs2) { /* FNEG */ + tcg_gen_xori_i64(cpu_fpr[a->rd], cpu_fpr[a->rs1], INT64_MIN); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + tcg_gen_not_i64(t0, cpu_fpr[a->rs2]); + tcg_gen_deposit_i64(cpu_fpr[a->rd], t0, cpu_fpr[a->rs1], 0, 63); + tcg_temp_free_i64(t0); + } + return true; +} + +static bool trans_fsgnjx_d(DisasContext *ctx, arg_fsgnjx_d *a) +{ + REQUIRE_FPU; + if (a->rs1 == a->rs2) { /* FABS */ + tcg_gen_andi_i64(cpu_fpr[a->rd], cpu_fpr[a->rs1], ~INT64_MIN); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + tcg_gen_andi_i64(t0, cpu_fpr[a->rs2], INT64_MIN); + tcg_gen_xor_i64(cpu_fpr[a->rd], cpu_fpr[a->rs1], t0); + tcg_temp_free_i64(t0); + } + return true; +} + +static bool trans_fmin_d(DisasContext *ctx, arg_fmin_d *a) +{ + REQUIRE_FPU; + + gen_helper_fmin_d(cpu_fpr[a->rd], cpu_env, + cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + + return true; +} + +static bool trans_fmax_d(DisasContext *ctx, arg_fmax_d *a) +{ + REQUIRE_FPU; + + gen_helper_fmax_d(cpu_fpr[a->rd], cpu_env, + cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + + return true; +} + +static bool trans_fcvt_s_d(DisasContext *ctx, arg_fcvt_s_d *a) +{ + REQUIRE_FPU; + + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_s_d(cpu_fpr[a->rd], cpu_env, cpu_fpr[a->rs1]); + + return true; +} + +static bool trans_fcvt_d_s(DisasContext *ctx, arg_fcvt_d_s *a) +{ + REQUIRE_FPU; + + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_d_s(cpu_fpr[a->rd], cpu_env, cpu_fpr[a->rs1]); + + return true; +} + +static bool trans_feq_d(DisasContext *ctx, arg_feq_d *a) +{ + REQUIRE_FPU; + + TCGv t0 = tcg_temp_new(); + gen_helper_feq_d(t0, cpu_env, cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + gen_set_gpr(a->rd, t0); + tcg_temp_free(t0); + + return true; +} + +static bool trans_flt_d(DisasContext *ctx, arg_flt_d *a) +{ + REQUIRE_FPU; + + TCGv t0 = tcg_temp_new(); + gen_helper_flt_d(t0, cpu_env, cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + gen_set_gpr(a->rd, t0); + tcg_temp_free(t0); + + return true; +} + +static bool trans_fle_d(DisasContext *ctx, arg_fle_d *a) +{ + REQUIRE_FPU; + + TCGv t0 = tcg_temp_new(); + gen_helper_fle_d(t0, cpu_env, cpu_fpr[a->rs1], cpu_fpr[a->rs2]); + gen_set_gpr(a->rd, t0); + tcg_temp_free(t0); + + return true; +} + +static bool trans_fclass_d(DisasContext *ctx, arg_fclass_d *a) +{ + REQUIRE_FPU; + + TCGv t0 = tcg_temp_new(); + gen_helper_fclass_d(t0, cpu_fpr[a->rs1]); + gen_set_gpr(a->rd, t0); + tcg_temp_free(t0); + return true; +} + +static bool trans_fcvt_w_d(DisasContext *ctx, arg_fcvt_w_d *a) +{ + REQUIRE_FPU; + + TCGv t0 = tcg_temp_new(); + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_w_d(t0, cpu_env, cpu_fpr[a->rs1]); + gen_set_gpr(a->rd, t0); + tcg_temp_free(t0); + + return true; +} + +static bool trans_fcvt_wu_d(DisasContext *ctx, arg_fcvt_wu_d *a) +{ + REQUIRE_FPU; + + TCGv t0 = tcg_temp_new(); + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_wu_d(t0, cpu_env, cpu_fpr[a->rs1]); + gen_set_gpr(a->rd, t0); + tcg_temp_free(t0); + + return true; +} + +static bool trans_fcvt_d_w(DisasContext *ctx, arg_fcvt_d_w *a) +{ + REQUIRE_FPU; + + TCGv t0 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_d_w(cpu_fpr[a->rd], cpu_env, t0); + tcg_temp_free(t0); + + return true; +} + +static bool trans_fcvt_d_wu(DisasContext *ctx, arg_fcvt_d_wu *a) +{ + REQUIRE_FPU; + + TCGv t0 = tcg_temp_new(); + gen_get_gpr(t0, a->rs1); + + gen_set_rm(ctx, a->rm); + gen_helper_fcvt_d_wu(cpu_fpr[a->rd], cpu_env, t0); + tcg_temp_free(t0); + + return true; +} diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 63c281b883..0f30ccbfbf 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -1505,6 +1505,7 @@ bool decode_insn32(DisasContext *ctx, uint32_t insn); #include "insn_trans/trans_rvm.inc.c" #include "insn_trans/trans_rva.inc.c" #include "insn_trans/trans_rvf.inc.c" +#include "insn_trans/trans_rvd.inc.c" static void decode_RV32_64G(CPURISCVState *env, DisasContext *ctx) {