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[83.57.169.13]) by smtp.gmail.com with ESMTPSA id o13sm12865722wrh.88.2021.01.14.08.20.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Jan 2021 08:20:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=hEincqfGa/TgGAVYBGuETQrXzL0T4zqUXQp6/H1D7D0=; b=SzqIMWc6tvMx8/j5DDilLfITvcnsSxX+ULg8s/tcg3U3fnhk5W+NNlIrE23EF6xWIX 8/hlFhrsZfs344ieye8NzC2tusEu++takF1cFAdVFVkMAWb4mbQX12CpPrH8Yh6749bO RG24vwZ4Y0KCk+T540WQwX1OvnUzZ20Uw33hde+skqCufH0iX8uSfw06vJAOi3Bp/kHz oG1d/1Ar0Nwjm4DjNn9lxRjU9D57WNbNriv6/HCTjtFxbCeFNfXUAMQmvpqkaDSDyBq9 iHk6qgxlyyjnfvlqLDOV8jWvUix4ZkiBuDOVnJKhsbHbA6aOVVddcmTEcMgqdPMR0gv5 z+oQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-transfer-encoding; bh=hEincqfGa/TgGAVYBGuETQrXzL0T4zqUXQp6/H1D7D0=; b=N+MlysAPiM0YD8evXz+JCpKaxPXINaR4uVuigfQTkC14ze4GPTOr0tOwmZC4HdIqfa tvHR9qBolN1r8+o8w36gm9xWVWoCoXlLN+yDcXW5sPODIOYsv9ibtc6Y7vhNQsC588c7 K0XOOuvOcZ1lT9EB+G1+0GfhpPqfGVNcpGKINKCCIGZNAJsoY4ClgpH4CrImVcvIU4w1 y7Uhnf0frlOshRZwVjQmrc0+4OFf+ODY1lQqr0O1r+OBrQwAdxoxwb2QBHf3CVUCpfso noqUbyZPqef0TfZdYHHgyvMh6raI5VzWf8fz9qTHot3fhQotpLD7ozng7J9B5mTiWTvC q4jA== X-Gm-Message-State: AOAM533xLz9x3UIz43FZbe9dwfxfBz2SRrrY65YSutjUroOnDxIrNmpu YawkB8GUgpk/5XuayfEdkTCscdQjg6A= X-Google-Smtp-Source: ABdhPJzaaHDrQz4wT5/57wJpGEkhzaN+7Pevyy1MNhrWV3D5B75PygybAp4RL8SSBE4qEep9Br9ySg== X-Received: by 2002:adf:8184:: with SMTP id 4mr9065659wra.63.1610641260283; Thu, 14 Jan 2021 08:21:00 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: Subject: [PULL v2 53/69] target/mips: Use decode_ase_msa() generated from decodetree Date: Thu, 14 Jan 2021 17:20:07 +0100 Message-Id: <20210114162016.2901557-9-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210114162016.2901557-1-f4bug@amsat.org> References: <20210114162016.2901557-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::42a; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x42a.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.248, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.248, RCVD_IN_DNSWL_NONE=-0.0001, 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: Aleksandar Rikalo , Richard Henderson , qemu-devel@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aurelien Jarno Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Now that we can decode the MSA ASE with decode_ase_msa(), use it and remove the previous code, now unreachable. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson Message-Id: <20201215225757.764263-21-f4bug@amsat.org> Tested-by: Jiaxun Yang --- target/mips/translate.h | 12 ------------ target/mips/msa_translate.c | 29 +---------------------------- target/mips/translate.c | 32 ++++++++++---------------------- 3 files changed, 11 insertions(+), 62 deletions(-) diff --git a/target/mips/translate.h b/target/mips/translate.h index b61ae79d431..9b38f82ecd9 100644 --- a/target/mips/translate.h +++ b/target/mips/translate.h @@ -82,8 +82,6 @@ enum { OPC_BC1 =3D (0x08 << 21) | OPC_CP1, /* bc */ OPC_BC1ANY2 =3D (0x09 << 21) | OPC_CP1, OPC_BC1ANY4 =3D (0x0A << 21) | OPC_CP1, - OPC_BZ_V =3D (0x0B << 21) | OPC_CP1, - OPC_BNZ_V =3D (0x0F << 21) | OPC_CP1, OPC_S_FMT =3D (FMT_S << 21) | OPC_CP1, OPC_D_FMT =3D (FMT_D << 21) | OPC_CP1, OPC_E_FMT =3D (FMT_E << 21) | OPC_CP1, @@ -93,14 +91,6 @@ enum { OPC_PS_FMT =3D (FMT_PS << 21) | OPC_CP1, OPC_BC1EQZ =3D (0x09 << 21) | OPC_CP1, OPC_BC1NEZ =3D (0x0D << 21) | OPC_CP1, - OPC_BZ_B =3D (0x18 << 21) | OPC_CP1, - OPC_BZ_H =3D (0x19 << 21) | OPC_CP1, - OPC_BZ_W =3D (0x1A << 21) | OPC_CP1, - OPC_BZ_D =3D (0x1B << 21) | OPC_CP1, - OPC_BNZ_B =3D (0x1C << 21) | OPC_CP1, - OPC_BNZ_H =3D (0x1D << 21) | OPC_CP1, - OPC_BNZ_W =3D (0x1E << 21) | OPC_CP1, - OPC_BNZ_D =3D (0x1F << 21) | OPC_CP1, }; =20 #define MASK_CP1_FUNC(op) (MASK_CP1(op) | (op & 0x3F)) @@ -174,8 +164,6 @@ extern TCGv bcond; =20 /* MSA */ void msa_translate_init(void); -void gen_msa(DisasContext *ctx); -void gen_msa_branch(DisasContext *ctx, uint32_t op1); =20 /* decodetree generated */ bool decode_ase_msa(DisasContext *ctx, uint32_t insn); diff --git a/target/mips/msa_translate.c b/target/mips/msa_translate.c index 5efb0a1fc8a..8a48f889aa2 100644 --- a/target/mips/msa_translate.c +++ b/target/mips/msa_translate.c @@ -412,33 +412,6 @@ static bool trans_BNZ_x(DisasContext *ctx, arg_msa_bz = *a) return gen_msa_BxZ(ctx, a->df, a->wt, a->s16, true); } =20 -void gen_msa_branch(DisasContext *ctx, uint32_t op1) -{ - uint8_t df =3D (ctx->opcode >> 21) & 0x3; - uint8_t wt =3D (ctx->opcode >> 16) & 0x1f; - int64_t s16 =3D (int16_t)ctx->opcode; - - switch (op1) { - case OPC_BZ_V: - case OPC_BNZ_V: - gen_msa_BxZ_V(ctx, wt, s16, (op1 =3D=3D OPC_BZ_V) ? - TCG_COND_EQ : TCG_COND_NE); - break; - case OPC_BZ_B: - case OPC_BZ_H: - case OPC_BZ_W: - case OPC_BZ_D: - gen_msa_BxZ(ctx, df, wt, s16, false); - break; - case OPC_BNZ_B: - case OPC_BNZ_H: - case OPC_BNZ_W: - case OPC_BNZ_D: - gen_msa_BxZ(ctx, df, wt, s16, true); - break; - } -} - static void gen_msa_i8(DisasContext *ctx) { #define MASK_MSA_I8(op) (MASK_MSA_MINOR(op) | (op & (0x03 << 24))) @@ -2188,7 +2161,7 @@ static void gen_msa_vec(DisasContext *ctx) } } =20 -void gen_msa(DisasContext *ctx) +static void gen_msa(DisasContext *ctx) { uint32_t opcode =3D ctx->opcode; =20 diff --git a/target/mips/translate.c b/target/mips/translate.c index da5d5559160..6b59358b390 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -6,6 +6,7 @@ * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support) * Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support) * Copyright (c) 2012 Jia Liu & Dongxue Zhang (MIPS ASE DSP support) + * Copyright (c) 2020 Philippe Mathieu-Daud=C3=A9 * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public @@ -135,8 +136,6 @@ enum { OPC_JIALC =3D (0x3E << 26), /* MDMX ASE specific */ OPC_MDMX =3D (0x1E << 26), - /* MSA ASE, same as MDMX */ - OPC_MSA =3D OPC_MDMX, /* Cache and prefetch */ OPC_CACHE =3D (0x2F << 26), OPC_PREF =3D (0x33 << 26), @@ -28827,21 +28826,6 @@ static bool decode_opc_legacy(CPUMIPSState *env, D= isasContext *ctx) } break; } - case OPC_BZ_V: - case OPC_BNZ_V: - case OPC_BZ_B: - case OPC_BZ_H: - case OPC_BZ_W: - case OPC_BZ_D: - case OPC_BNZ_B: - case OPC_BNZ_H: - case OPC_BNZ_W: - case OPC_BNZ_D: - if (ase_msa_available(env)) { - gen_msa_branch(ctx, op1); - break; - } - /* fall through */ default: MIPS_INVAL("cp1"); gen_reserved_instruction(ctx); @@ -29023,16 +29007,13 @@ static bool decode_opc_legacy(CPUMIPSState *env, = DisasContext *ctx) gen_compute_branch(ctx, op, 4, rs, rt, offset, 4); } break; - case OPC_MSA: /* OPC_MDMX */ + case OPC_MDMX: /* MMI_OPC_LQ */ if (ctx->insn_flags & INSN_R5900) { #if defined(TARGET_MIPS64) - gen_mmi_lq(env, ctx); /* MMI_OPC_LQ */ + gen_mmi_lq(env, ctx); #endif } else { /* MDMX: Not implemented. */ - if (ase_msa_available(env)) { - gen_msa(ctx); - } } break; case OPC_PCREL: @@ -29065,6 +29046,13 @@ static void decode_opc(CPUMIPSState *env, DisasCon= text *ctx) gen_set_label(l1); } =20 + /* Transition to the auto-generated decoder. */ + + /* ISA extensions */ + if (ase_msa_available(env) && decode_ase_msa(ctx, ctx->opcode)) { + return; + } + if (decode_opc_legacy(env, ctx)) { return; } --=20 2.26.2