From nobody Tue Nov 18 11:50:08 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; 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=1610418548; cv=none; d=zohomail.com; s=zohoarc; b=WbTm07x6s61Iw6XIR9NtSf6i0VEdiJWLgo6s+Gfb4blVbNPQ5d4yKHxDjQNbYuTDe7Q8XCJNCfKGk+ktvUhkMRcf46w3MUG49lIiaZWe+jjazltcbA5VRQUPL2/ksj78ZE4DnuTEdpyrWAVrw6p+aEJm3IazOQObTPNTYxvA2W8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1610418548; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=0zrnOavVe6XnQO96zzyHm13OUa7JpL0pUTrhRmvRqro=; b=JbM9bmHvszB2G5q77a1VXc/2r9Z/05nOIGBN3RdzmsMSjbQOr5I4jLL+CMack1lAVaifOa7w9MUIk9g+h8JzwZs/1ImbicxK9cQybCAfD6f7gxzlZ5UorszfhOF3uEDWOaq0c5R5YVsN8UgsEhU8QcwZIbgDgW2L0SI9C2HWZYA= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=fail; 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 1610418548494996.4802928531573; Mon, 11 Jan 2021 18:29:08 -0800 (PST) Received: from localhost ([::1]:47106 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kz9Qh-0001We-3L for importer@patchew.org; Mon, 11 Jan 2021 21:29:07 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58050) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kz9Io-0000yv-Rb for qemu-devel@nongnu.org; Mon, 11 Jan 2021 21:21:00 -0500 Received: from mail-pg1-x52d.google.com ([2607:f8b0:4864:20::52d]:38274) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kz9Ie-00029v-Hp for qemu-devel@nongnu.org; Mon, 11 Jan 2021 21:20:56 -0500 Received: by mail-pg1-x52d.google.com with SMTP id q7so423555pgm.5 for ; Mon, 11 Jan 2021 18:20:46 -0800 (PST) Received: from frankchang-ThinkPad-T490.internal.sifive.com (114-34-229-221.HINET-IP.hinet.net. [114.34.229.221]) by smtp.gmail.com with ESMTPSA id x14sm981326pfp.77.2021.01.11.18.20.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Jan 2021 18:20:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=0zrnOavVe6XnQO96zzyHm13OUa7JpL0pUTrhRmvRqro=; b=Zgk5gKtL9E6rrgTfbk/2B9Bisx7I4g5EDyoeHjEDYvzSAc5tcr9sBzi4FuzT2gqffd xLk6iqJFjHqmN7RgjhX8j0pnGsu4Ii3SBHNU6voopgKM9XXYPoyPwkg2kYTGwBZXj+5A PDH3xRaPZP5GuqTGSTXIOV0jJk1o2CmJX6Ov/mYox8OtznKCIGcbmZIhJYwm+HYhC5+I mWtnEjDW912ETrDdeE4ZngPT6VZMYme7QoXBp2ZJvKKc1oy9QdewBxwLDxjdnyV6D5Va s/XsUPipQJDTNUSASiGZVWI2n3A/7Fft5LW7b3goS7XJ71ByDDGmsjlUYwmI9ROu9rpt MqOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=0zrnOavVe6XnQO96zzyHm13OUa7JpL0pUTrhRmvRqro=; b=QIRHlc174Ib5Z1JJ3pP9HJqQPhYEwfZkGQylzS0kG9WBJPsl/8QCyxmlHeLvhWMh+T ULZUcG++iy79GJ/qaZ7YfzUr2WaFzP+hdXqheV0caY/YCbGCdYFLD+b/PA+5vgi7hWu9 aTR7jGZ9NCrUZoR1JjEJbqFspvGXNstb++2ESU3vvr5KnYg6a9zY31iH3miXEbEDTdEe elW0MNaCQ51ZdWC4mRI5b3qmGfvoGQ20PfD7Y/9ntdgUgr1J8iYncHvHZFdwcRvnxLoR 62zGzwpDELgf5CsETOfiuFNDUMR9PmPq/lZD/8RQ05ILyl5qH7Qcn16GuUtl7cnnc+/n XNfA== X-Gm-Message-State: AOAM530OhXaEbYT0sSdE0+0dPqPvDXz4duyn+Lg7YvEN0d9Jo6O6VeDg PYX57dFqQ9/Kctl4JknTHvWQ2CIrOO49C0iL X-Google-Smtp-Source: ABdhPJyvobBozlydY7fRYp+1Du7jq5hU00dgajEyOpbT9dq7uqBfE2K+dbOWwnBjlj5HX0PGVJ0vnw== X-Received: by 2002:a05:6a00:44:b029:19d:e250:1355 with SMTP id i4-20020a056a000044b029019de2501355mr2313984pfk.36.1610418045186; Mon, 11 Jan 2021 18:20:45 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC v3 07/16] target/riscv: rvb: sign-extend instructions Date: Tue, 12 Jan 2021 10:19:48 +0800 Message-Id: <20210112022001.20521-8-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210112022001.20521-1-frank.chang@sifive.com> References: <20210112022001.20521-1-frank.chang@sifive.com> 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::52d; envelope-from=frank.chang@sifive.com; helo=mail-pg1-x52d.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sagar Karandikar , Frank Chang , Bastian Koppelmann , Richard Henderson , Alistair Francis , Palmer Dabbelt , Kito Cheng Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Kito Cheng Signed-off-by: Kito Cheng Reviewed-by: Richard Henderson Signed-off-by: Frank Chang --- target/riscv/insn32.decode | 2 ++ target/riscv/insn_trans/trans_rvb.c.inc | 12 ++++++++++++ 2 files changed, 14 insertions(+) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index d64326fd864..938c23088eb 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -598,6 +598,8 @@ vsetvl 1000000 ..... ..... 111 ..... 1010111 = @r clz 011000 000000 ..... 001 ..... 0010011 @r2 ctz 011000 000001 ..... 001 ..... 0010011 @r2 cpop 011000 000010 ..... 001 ..... 0010011 @r2 +sext_b 011000 000100 ..... 001 ..... 0010011 @r2 +sext_h 011000 000101 ..... 001 ..... 0010011 @r2 =20 andn 0100000 .......... 111 ..... 0110011 @r orn 0100000 .......... 110 ..... 0110011 @r diff --git a/target/riscv/insn_trans/trans_rvb.c.inc b/target/riscv/insn_tr= ans/trans_rvb.c.inc index 2aa4515fe31..1496996a660 100644 --- a/target/riscv/insn_trans/trans_rvb.c.inc +++ b/target/riscv/insn_trans/trans_rvb.c.inc @@ -95,6 +95,18 @@ static bool trans_maxu(DisasContext *ctx, arg_maxu *a) return gen_arith(ctx, a, tcg_gen_umax_tl); } =20 +static bool trans_sext_b(DisasContext *ctx, arg_sext_b *a) +{ + REQUIRE_EXT(ctx, RVB); + return gen_unary(ctx, a, tcg_gen_ext8s_tl); +} + +static bool trans_sext_h(DisasContext *ctx, arg_sext_h *a) +{ + REQUIRE_EXT(ctx, RVB); + return gen_unary(ctx, a, tcg_gen_ext16s_tl); +} + /* RV64-only instructions */ #ifdef TARGET_RISCV64 =20 --=20 2.17.1