From nobody Tue Nov 18 11:51:03 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=1610418869; cv=none; d=zohomail.com; s=zohoarc; b=LiojvCsFYSYaGEk3cYxGM8ldsX/00WK2xdy6LwRE819y0Y30KHnuplzoMV20cz8skH+IcZc8oOZ6GgEnWbr85fyBZVJ3HibpsF7EgO+F+qGePGaE2IMrKTgYepqc+dXIR6x0EQGX14nGcMvs4IEIqWheR54oSYsCc7f+jAN5TIg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1610418869; 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=cg/XSyBDgfWMKTaj4H5pnj/4AfFpWEh9kdHo1QO7YT0=; b=SmY/4hJJdMXVIiLqEEobKHnf5MjU775Kychx7XRI46iTr4LixgjWWpttZ5+BAzNTHrlto6ngkFN5TDLWKtvodWxuZc9+G8hzpyjQjj3AUAuy6McPTw56KlSrFez227KePeLBOFpB1CWRPY+pYsFYui9Oatv8TrnWdDE5/JcxEg8= 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 1610418869811630.4294739228196; Mon, 11 Jan 2021 18:34:29 -0800 (PST) Received: from localhost ([::1]:58164 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kz9Vs-0006CG-MC for importer@patchew.org; Mon, 11 Jan 2021 21:34:28 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58402) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kz9JK-0001Zu-Px for qemu-devel@nongnu.org; Mon, 11 Jan 2021 21:21:34 -0500 Received: from mail-pf1-x42c.google.com ([2607:f8b0:4864:20::42c]:44891) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kz9JF-0002HJ-K6 for qemu-devel@nongnu.org; Mon, 11 Jan 2021 21:21:30 -0500 Received: by mail-pf1-x42c.google.com with SMTP id a188so444643pfa.11 for ; Mon, 11 Jan 2021 18:21:21 -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.77.2021.01.11.18.21.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Jan 2021 18:21:19 -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=cg/XSyBDgfWMKTaj4H5pnj/4AfFpWEh9kdHo1QO7YT0=; b=Gtnw3v5FUpK1H6/purLkZ93mas1FsvcJomvY7C8aKAx/o0qpOozR8ev0DHf0flkq55 K38cK4+O3q8a95h1F8kuHs5Zj5HFy1a4ykPR7i1mKBeYssIcIBEWuQCIS7aXnUNE4vml az+bEdpRbUqjlxYqO3IvCifZuLpNc1e5IcWdbZCPRVE8sWUYIgxV/G4fbyPPcxC63Lo8 Wi83RrIQhdniYUtrowua4Uj8+utMZxDY/3+/b9bJYt4X0mJ1rKe9pzisZTU91TNlvtcA vayw1o24FFSVon8bWo6e8VRsvilsuSmQxfBKaluMezJVZcxp41/j/Hl9DsCJmoVaBR/C SNkw== 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=cg/XSyBDgfWMKTaj4H5pnj/4AfFpWEh9kdHo1QO7YT0=; b=QPbW+yLqFsCQ17/L2pK4Cl1p8HCEyJe2ff8UFd2PQSoL7qoioNsjo3dQ1OcD0+fiBL 32vPR2pQdyh16XvHyDJcAM8HQVbGz1aePRWSeRF6WS0zOR2qqZt4rIOdlgl5ALIFVP5X RLoWaLfB12BdDKlNy2Qsa8ZI6LstCa681gf8O2PHwiDCzpB/ZafXw1LED0HXScuqSzEZ Iea0eOwINSdEHfht3SRW6t0omvpS3y3l5j+nANOkwe1BlVUK6yoXF55XECcRbJoNwcoT HDZToS03+MIPCxm1MNtT8tnfvRiE38gnCCslRJWRe+CFituYCQSXr2VSePomTj1nEzG4 +99g== X-Gm-Message-State: AOAM531hOKCMkYztwEIHapUUMdkGHkRvwIpefiZzle2HHZgRcnMNsPe+ EnV16+0v48TeSC5Cu3nypnFyC4GkfjSyCTor X-Google-Smtp-Source: ABdhPJziseDVwwJ9jz5I6IHZ73FTZgu6EdmFdX4X6E3/WwC/gRfLjQ7pxXt1DvE+Y+6+7OSwTWlzxg== X-Received: by 2002:a62:7ac4:0:b029:19d:b6ee:c64c with SMTP id v187-20020a627ac40000b029019db6eec64cmr2276214pfc.3.1610418080080; Mon, 11 Jan 2021 18:21:20 -0800 (PST) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC v3 15/16] target/riscv: rvb: add/shift with prefix zero-extend Date: Tue, 12 Jan 2021 10:19:56 +0800 Message-Id: <20210112022001.20521-16-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::42c; envelope-from=frank.chang@sifive.com; helo=mail-pf1-x42c.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 Signed-off-by: Frank Chang Reviewed-by: Richard Henderson --- target/riscv/insn32-64.decode | 3 +++ target/riscv/insn_trans/trans_rvb.c.inc | 22 ++++++++++++++++++++++ target/riscv/translate.c | 6 ++++++ 3 files changed, 31 insertions(+) diff --git a/target/riscv/insn32-64.decode b/target/riscv/insn32-64.decode index 2f80b0c07ae..01b28718af5 100644 --- a/target/riscv/insn32-64.decode +++ b/target/riscv/insn32-64.decode @@ -107,6 +107,7 @@ gorcw 0010100 .......... 101 ..... 0111011 @r sh1add_uw 0010000 .......... 010 ..... 0111011 @r sh2add_uw 0010000 .......... 100 ..... 0111011 @r sh3add_uw 0010000 .......... 110 ..... 0111011 @r +add_uw 0000100 .......... 000 ..... 0111011 @r =20 bsetiw 0010100 .......... 001 ..... 0011011 @sh5 bclriw 0100100 .......... 001 ..... 0011011 @sh5 @@ -116,3 +117,5 @@ sroiw 0010000 .......... 101 ..... 0011011 @sh5 roriw 0110000 .......... 101 ..... 0011011 @sh5 greviw 0110100 .......... 101 ..... 0011011 @sh5 gorciw 0010100 .......... 101 ..... 0011011 @sh5 + +slli_uw 00001. ........... 001 ..... 0011011 @sh diff --git a/target/riscv/insn_trans/trans_rvb.c.inc b/target/riscv/insn_tr= ans/trans_rvb.c.inc index ca987f2705f..94fcf822a36 100644 --- a/target/riscv/insn_trans/trans_rvb.c.inc +++ b/target/riscv/insn_trans/trans_rvb.c.inc @@ -390,4 +390,26 @@ GEN_TRANS_SHADD_UW(1) GEN_TRANS_SHADD_UW(2) GEN_TRANS_SHADD_UW(3) =20 +static bool trans_add_uw(DisasContext *ctx, arg_add_uw *a) +{ + REQUIRE_EXT(ctx, RVB); + return gen_arith(ctx, a, gen_add_uw); +} + +static bool trans_slli_uw(DisasContext *ctx, arg_slli_uw *a) +{ + TCGv source1 =3D tcg_temp_new(); + gen_get_gpr(source1, a->rs1); + + if (a->shamt < 32) { + tcg_gen_deposit_z_i64(source1, source1, a->shamt, 32); + } else { + tcg_gen_shli_i64(source1, source1, a->shamt); + } + + gen_set_gpr(a->rd, source1); + tcg_temp_free(source1); + return true; +} + #endif diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 7365e591eb7..dbcc15ed73f 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -930,6 +930,12 @@ GEN_SHADD_UW(1) GEN_SHADD_UW(2) GEN_SHADD_UW(3) =20 +static void gen_add_uw(TCGv ret, TCGv arg1, TCGv arg2) +{ + tcg_gen_ext32u_tl(arg1, arg1); + tcg_gen_add_tl(ret, arg1, arg2); +} + #endif =20 static bool gen_arith(DisasContext *ctx, arg_r *a, --=20 2.17.1