From nobody Tue Feb 10 04:16:43 2026 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=1610523102; cv=none; d=zohomail.com; s=zohoarc; b=AySN2F5BgIXUDwxuBlIxqv1xPeuACku9KssMzcj/ZXUqTsDalGns9VJbfjZzBwiJ6kY05D8IjguBV5OGUnTKoVAfkJN3JECRY6+HpZ26giG1UFlLPX5cvq96UPVf3P5uEniXTVHFAL2SUG/B2L5s/Oqs6dHLPR2LrL/5AUWvrVk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1610523102; 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=XdoPM6rWT86W9yvS9xkgTXUSetTpevUfAvkjMfjFHclUGDbU3VBvgbMLxQ+v0R/Arfbdk/ui/npPZtzsrX20k8ljnk9U7kyhLtLFeMkJ5GVr4fgQiCC0vlyH+D/ek/DpsoCB0C7KqLz73nx8p+BdziLZizPEGEHbpQEf4lC/tKM= 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 1610523102178703.0514964518197; Tue, 12 Jan 2021 23:31:42 -0800 (PST) Received: from localhost ([::1]:48360 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kzad3-0003ye-0q for importer@patchew.org; Wed, 13 Jan 2021 02:31:41 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:48928) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kzaMX-0007E0-QT for qemu-devel@nongnu.org; Wed, 13 Jan 2021 02:14:38 -0500 Received: from mail-pj1-x102a.google.com ([2607:f8b0:4864:20::102a]:52216) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kzaMU-0003xu-L6 for qemu-devel@nongnu.org; Wed, 13 Jan 2021 02:14:36 -0500 Received: by mail-pj1-x102a.google.com with SMTP id y12so564178pji.1 for ; Tue, 12 Jan 2021 23:14:34 -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 l7sm1361888pjy.29.2021.01.12.23.14.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Jan 2021 23:14:32 -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=LVR+9xYUeJP3+5goOWtTo4wgWX8Q+1tyB1Yqi5Ear6C45DbP13FLQ38lI7oLDEIA53 MxhlBslwopbaiImWSC7yWbYxpMsvN+VIiI5x9RdALJKSFM/XxmkFuBJB7Uv1BqRGYLV8 d4QqzussJsY9wmIxzxPHLec2h5WJ1eMWyEejt0nJMK/mmImtmCooOHYpHx8fXhKTFrQq iigrSW+b7JcGCTXNjkVwczEaBpSQ7gJ3HdXbd04XYOBE0QB4AF64D+Km5OHkctuCA+ig z4sf8AIHlb1zDrauJjA5fM/Gq0H44+33FTzrvEjfsQWHcYkvztcZUFCYjGAVQ/TwWYJ9 uvRA== 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=YmfUU836PEOWsxqbb/01Bdc9B4Q31lAT3RRzQ/6X7pY+fOMFkPPXlRZIIXi+J3b7yN axJC3/BW0WXsyd71xb9teI7aeHAamr+5TXPP6Y9z5TA2ZodIoPAqVxx8wqVFYIFrz6cT gHeHn2YxMuaVDYUFoNNpX2chExQKOvq9r5EEu+VwxLwtg7R3E5i4OrV4de8yCCDyYPp5 LNqWqJm8Yv2yKLnS2DSxhdR1/ZeWiGUjrorDOeTdlfZLTsPgRM11jN9uT3VJOGjsQM/W 2H1Rj92GnXVujHj++rdyiTFjqvXWKigKuOB6V/zmR5W8v4CPeAYERDPkXHcg49OutgPS ZjgA== X-Gm-Message-State: AOAM531wTDJXYY8e8kyYAH1wGLn+52n4bQxfmeeDTnkFKzDZxK+VXL7t WabKs1dl3XxtocX1+/xvwQ+5M8EZSJrlDvE3 X-Google-Smtp-Source: ABdhPJySBmtuVaVT2nGjf2DSQgQTF87I3q1vSVyGJDlHq7Z7Os3bjnh+Sa/Zp3c4m/usxx62Fue7wQ== X-Received: by 2002:a17:902:c392:b029:dc:3e1d:2316 with SMTP id g18-20020a170902c392b02900dc3e1d2316mr810255plg.50.1610522073199; Tue, 12 Jan 2021 23:14:33 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC v4 07/16] target/riscv: rvb: sign-extend instructions Date: Wed, 13 Jan 2021 15:13:39 +0800 Message-Id: <20210113071350.24852-8-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210113071350.24852-1-frank.chang@sifive.com> References: <20210113071350.24852-1-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::102a; envelope-from=frank.chang@sifive.com; helo=mail-pj1-x102a.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=unavailable 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