From nobody Thu Nov 14 03:54:26 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1726185494; cv=none; d=zohomail.com; s=zohoarc; b=SHPIkAdUxd0JIJHEGd784+jd3EqN7IRvSEFkuesa13ehELY8nwXJkvz+R4hOEjpVe0xlSG1b+InH+AG1vxq/2qMURpEQA/THD68eog8+Lv+Su1VGuk1zSFXRJCJzzhSllUYGW4Ud48CMkK1eFVkcTfrxLG90q+bFhbd4OGSDw4M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1726185494; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=M7nGUkC8AoqQkvdlZ/4VsRGMOV3aEFYCGC3UA04clbY=; b=CX0sSyw4W524z7poQpNVaIzMalucUq9ewWLiroyuCiYBZe9o7LBetU+wiJH5EEjLNpaeu5dJt9POeReN5qlYqyiMHGnYTrKxbsGgevTCKPHhaVe/S99guM5Pwjz1/hwD61lCKSf+qeR+BTDxBlrR53v8N2F4K1IbdCQ5g9yUChE= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1726185494805706.6691468416795; Thu, 12 Sep 2024 16:58:14 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sotdK-0005rA-Hi; Thu, 12 Sep 2024 19:53:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sotdH-0005c6-1I for qemu-devel@nongnu.org; Thu, 12 Sep 2024 19:53:51 -0400 Received: from mail-pf1-x42a.google.com ([2607:f8b0:4864:20::42a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sotdF-0008Cj-GY for qemu-devel@nongnu.org; Thu, 12 Sep 2024 19:53:50 -0400 Received: by mail-pf1-x42a.google.com with SMTP id d2e1a72fcca58-7191df6b5f5so1175296b3a.0 for ; Thu, 12 Sep 2024 16:53:49 -0700 (PDT) Received: from debug.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71908fe22e6sm5102229b3a.66.2024.09.12.16.53.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Sep 2024 16:53:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1726185228; x=1726790028; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=M7nGUkC8AoqQkvdlZ/4VsRGMOV3aEFYCGC3UA04clbY=; b=IIt3uC6ifhgIRSZctlsje96rxW7rrPQzHTrl+Ff7++bOC8axZSG9oIpN8q4zY3AoTc imusBUDP2lDXKxXUfZyDRFqYt73h0WTKLXzBSU+dDE6oQhhdz3JQW6eSiRQaE+kDfxh3 NKICLoBBkzv4hzAaekR4RsQOZldh8cjxlihaKO1sn9Dqas+hdyv/SQk5gOW8ZhoX4U4S qj3+zZ4jtg+q01lkuqyZCWJMC5ZeQIRgJktufKGw5aZoZHkss7aOzwt8WOiU8Gk/lJ+h e7dxyP8iCxKDICrv9BmlrM/aSQOP4pxxAvjjjbbExQ1zuOl7VSMGJAzinvLMZUG34Gl4 wjBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726185228; x=1726790028; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=M7nGUkC8AoqQkvdlZ/4VsRGMOV3aEFYCGC3UA04clbY=; b=bgrO1POav+0IthuYX3HUoyUBpkxgHKJ/FsPDzBPrNGJN2qFUQEEEo1gvHHlWDeHnfy iv32oAzsXCnChzrXCsKYX4fgAKrjOmnKJWGQnagTIHCDLfA2/qscFGybEfPhTSJ0D9EL vtu17QE5xxVQv/AEWUlCkmI8yu1EJD90ymagNMKGfxLtfQITHjN2HsjlnNXVXoihXO1E YiLWul4T8vgP+hwPdQngW5ngZHE3Acgr1JkacwNN82e5XzCe8YCHVWMEYr6ExxbIu5RS rte4rysRiIxBViJepmAQxSkilQINH5ztJfHGNrP46yFADLV7NCHU/9wdWS9tFqln1V2D S4kw== X-Forwarded-Encrypted: i=1; AJvYcCUn9dSj3yrZIo1gOocSyTYVWHE3dFWS382BsBKOStLiiyJarA/pqvYl71JDWMuj+O4eUmDlGtI2IuM5@nongnu.org X-Gm-Message-State: AOJu0Yyk4v840W+kXhMNr3aC+6VqVT+ZRDqL3J4Kwjx+JDTB9loOpcLj uPrrMZ8j2h7wW/IB8QkH6royeOTGN+gIHPJrzvX4y2JahZXk0TOqGHVpw93+VBs= X-Google-Smtp-Source: AGHT+IExiWNfKNLjn0iPglMO27St8rleP2T2e4jGVxAiasXFgViDBbyK80qHBEkWgtNQRizXshX0IQ== X-Received: by 2002:a05:6a00:1248:b0:70c:f1fa:d7bf with SMTP id d2e1a72fcca58-71926065246mr6561368b3a.4.1726185228106; Thu, 12 Sep 2024 16:53:48 -0700 (PDT) From: Deepak Gupta To: qemu-riscv@nongnu.org, qemu-devel@nongnu.org Cc: palmer@dabbelt.com, Alistair.Francis@wdc.com, bmeng.cn@gmail.com, liwei1518@gmail.com, dbarboza@ventanamicro.com, zhiwei_liu@linux.alibaba.com, jim.shu@sifive.com, andy.chiu@sifive.com, kito.cheng@sifive.com, Deepak Gupta , Richard Henderson , Alistair Francis Subject: [PATCH v14 17/20] target/riscv: compressed encodings for sspush and sspopchk Date: Thu, 12 Sep 2024 16:53:17 -0700 Message-ID: <20240912235320.3768582-18-debug@rivosinc.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20240912235320.3768582-1-debug@rivosinc.com> References: <20240912235320.3768582-1-debug@rivosinc.com> MIME-Version: 1.0 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=2607:f8b0:4864:20::42a; envelope-from=debug@rivosinc.com; helo=mail-pf1-x42a.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @rivosinc-com.20230601.gappssmtp.com) X-ZM-MESSAGEID: 1726185495466116600 Content-Type: text/plain; charset="utf-8" sspush/sspopchk have compressed encodings carved out of zcmops. compressed sspush is designated as c.mop.1 while compressed sspopchk is designated as c.mop.5. Note that c.sspush x1 exists while c.sspush x5 doesn't. Similarly c.sspopchk x5 exists while c.sspopchk x1 doesn't. Signed-off-by: Deepak Gupta Co-developed-by: Jim Shu Co-developed-by: Andy Chiu Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis --- target/riscv/insn16.decode | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/target/riscv/insn16.decode b/target/riscv/insn16.decode index 3953bcf82d..bf893d1c2e 100644 --- a/target/riscv/insn16.decode +++ b/target/riscv/insn16.decode @@ -140,6 +140,10 @@ sw 110 ... ... .. ... 00 @cs_w addi 000 . ..... ..... 01 @ci addi 010 . ..... ..... 01 @c_li { + # c.sspush x1 carving out of zcmops + sspush 011 0 00001 00000 01 &r2_s rs2=3D1 rs1=3D0 + # c.sspopchk x5 carving out of zcmops + sspopchk 011 0 00101 00000 01 &r2 rs1=3D5 rd=3D0 c_mop_n 011 0 0 n:3 1 00000 01 illegal 011 0 ----- 00000 01 # c.addi16sp and c.lui, RES nzimm= =3D0 addi 011 . 00010 ..... 01 @c_addi16sp --=20 2.45.0