From nobody Tue Nov 18 07:42:46 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=1608084696; cv=none; d=zohomail.com; s=zohoarc; b=D/W4B/HYHjuzSTRJhdOAOSbW+5ZYOpYZoYNNgbX882HSqav/jN9i60xxrVhC7cht/sIKunFUBqi+AQ7zUDUdJ0+id00ouG1nt/+/0taI0ffbR0fmQsUhNq3kogeGt6X3SGsw+VhMeW4Oj1Gf1IqFq7iY9IQ7sqYvSQZN64tbpPI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1608084696; 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=m9+UgyEv7/CO9wcFF/2mGY7NcDjbZFpPGSL5WyqYbRw=; b=fmVzutYtvw9PXhXtHoW3lSotbZMuPaYaZICSlINWlYOBAUeiaLvDqzXWJK+C2Hzr3JWxvnnqUMb8tNacob843mahlky5U/efHLAw45HvVqgx5ocohhfMa9zk15H1fHMAxHFI8F3lbRWlDsNVPRvYlWe/cd330rILP1G7rwQTSXQ= 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 1608084696846860.9294365280773; Tue, 15 Dec 2020 18:11:36 -0800 (PST) Received: from localhost ([::1]:49928 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kpMHv-0006OQ-Qg for importer@patchew.org; Tue, 15 Dec 2020 21:11:35 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:54636) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kpM9W-0006oo-Ga for qemu-devel@nongnu.org; Tue, 15 Dec 2020 21:02:54 -0500 Received: from mail-pf1-x42a.google.com ([2607:f8b0:4864:20::42a]:35371) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kpM9T-0000x1-OT for qemu-devel@nongnu.org; Tue, 15 Dec 2020 21:02:53 -0500 Received: by mail-pf1-x42a.google.com with SMTP id c79so15618843pfc.2 for ; Tue, 15 Dec 2020 18:02:51 -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 a13sm289150pfr.59.2020.12.15.18.02.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Dec 2020 18:02:49 -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=m9+UgyEv7/CO9wcFF/2mGY7NcDjbZFpPGSL5WyqYbRw=; b=jsfAMlRog6lr6cdtoc9VTj6pNRdzO4yqrLP5tqp+NF246t74gF8RvEeCtItq/IbVkD HUvpdmhBKRrRMz9LXReWPKsnIX76OmS0//ah+cJ+c54FhRWMnYqOcBtiaLdXhgOLM3wG AWDjE2wgfDuiWcDQ6AYp9+quGjTDBT6Gv3mBtqIDcp7tn1LDROjkWd+29y3ePh1h+xs9 OYgcz3TAxQPqOmSjAhSEwmkdlfCOHB3F76AAJ8M+Rr9527yLqJMYY4rvA5Uaw7ZJpkoK /iFpSUsZDpmpr0KLIC+pXpWEeN1ItmOSur/r8f6Ur6SoTqhJq2aAI3oMIlE8jBQ2Ach1 Bg0g== 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=m9+UgyEv7/CO9wcFF/2mGY7NcDjbZFpPGSL5WyqYbRw=; b=YPzTWdrtKQRpNCLK8/1r2QNytstdeKzFcGnBu9v2m6bZB1n/+T8W8mBhjl7buAa1uJ dtWyMnCXpfH3FWPQYdwceofN8LuzfH+DcoOAfeJmblbORTp3YhwqEX357EwXRvlka0bz i2zzsCJDPbJzsOWXt7nVIN8GtQ5GDbifsUR9BYdjBWaSIOX5I9y57W6IVR0Joz14Pw1B CtRS5g/78meXdzJzaBktR8ZzpMP8z50BzEwvNxIHP6sO9kl/hbpQ7f0o3hZEZwIdrKD9 wPIHPOm03MEBQvLrNo/j6FhzhntS6Vu8OTxZdyHIROTffw5uz5tKwLfBW6dayeTP1O/C gQcQ== X-Gm-Message-State: AOAM530/7VSUczSQaODczfajkyCMQjU6SZ75+d8a2xkglXHOk0sXt9+X AldGC/o3hE7vIMeA+lXdacjYH99/injwd5CUoTo= X-Google-Smtp-Source: ABdhPJwzeBY1gBzUwhdqUUFhWehU/YRnYD79VWMt1PES/Cywi7zIbVmqItA88iu2AbVoQdD9oiEFMg== X-Received: by 2002:a63:2406:: with SMTP id k6mr31526592pgk.453.1608084170397; Tue, 15 Dec 2020 18:02:50 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC v2 07/15] target/riscv: rvb: sign-extend instructions Date: Wed, 16 Dec 2020 10:01:32 +0800 Message-Id: <20201216020150.3157-8-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201216020150.3157-1-frank.chang@sifive.com> References: <20201216020150.3157-1-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::42a; envelope-from=frank.chang@sifive.com; helo=mail-pf1-x42a.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 , 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 Signed-off-by: Frank Chang Reviewed-by: Richard Henderson --- target/riscv/insn32.decode | 2 ++ target/riscv/insn_trans/trans_rvb.c.inc | 13 +++++++++++++ 2 files changed, 15 insertions(+) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 0d6a8a1c0a5..4baafed21f1 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 pcnt 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 bd66c2ad84d..5ea0f0ff81c 100644 --- a/target/riscv/insn_trans/trans_rvb.c.inc +++ b/target/riscv/insn_trans/trans_rvb.c.inc @@ -95,6 +95,19 @@ 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