From nobody Tue Feb 10 22:18:52 2026 Delivered-To: importer2@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+importer2=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1621905956; cv=none; d=zohomail.com; s=zohoarc; b=WzHWBwurVqyQ6IqYsXjycJzwsaPvVGT82RV9zwnneISo5g/4n0XWEECmdbCVVt+AsQUufKqc8jzqJbNwePHHfeiUzMkijYBJhpdzTU7m1l6jyrwI8Z1qvQXs8xTPtdzQs5O3fgES+Ma55jjpC74kmzo+DE2q901MeKvo1MSE31o= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621905956; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=GDzHPQFAAp6LPiIxIvoRlgxRhbX+S5BFcnVxxG6PSRM=; b=f9OC9Yvt2gh8opL6VaOI7lvp70DSqifUNrOd7k/20fWOCSr4kr3A0WZ9qXTVwb9CIq9plclMBGGX0jsi7KOlrRj1RU0fBwLEGAwyWvwUWUx2OAE1Dr4BEHUtP+DiO5MAKpFYTUpClqEgwhNTiCrHjvCWGkIYhmj5M4WJSqKmMXQ= 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+importer2=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1621905956973503.5362382018011; Mon, 24 May 2021 18:25:56 -0700 (PDT) Received: from localhost ([::1]:36034 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1llLpT-0006vC-Pd for importer2@patchew.org; Mon, 24 May 2021 21:25:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53978) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1llLUs-0001un-Ty for qemu-devel@nongnu.org; Mon, 24 May 2021 21:04:41 -0400 Received: from mail-pl1-x631.google.com ([2607:f8b0:4864:20::631]:45847) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1llLUT-0001nU-Vu for qemu-devel@nongnu.org; Mon, 24 May 2021 21:04:38 -0400 Received: by mail-pl1-x631.google.com with SMTP id s4so13948131plg.12 for ; Mon, 24 May 2021 18:04:13 -0700 (PDT) Received: from localhost.localdomain (174-21-70-228.tukw.qwest.net. [174.21.70.228]) by smtp.gmail.com with ESMTPSA id b1sm13742645pgf.84.2021.05.24.18.04.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 May 2021 18:04:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=GDzHPQFAAp6LPiIxIvoRlgxRhbX+S5BFcnVxxG6PSRM=; b=jZx2RhZKK3RCYO4IipBfvR1L3pP83zinh2Y287RKOvG5oInrda1EhpgCZ9i3ClIBHf 3mDpbCpvDIj4jBvKl4RNYU62OSzzZl6gXuk6TrLtRC8ulSykSJtvmQj8zWLoyLCH0Nhp o9KfsjAt5iCP7LBxz8+Rcf3XnOPFY2gMBLz5dTr934PM5ZMBHjY0ashXN6yAynPZvD1V Zn5lamWptrkIntQoqbuYTc7UcYC2wfWbmgiG10snHLoPP7clF70mnCC/gdyMYO0Y2tTv 2qM9/i1EkOkqjqzpTZ1SplBtQs8ZmMxQWw6EhD0JDcHzOpPiSe2c5SobKzhg5ZxBNlzc JzIw== 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:mime-version:content-transfer-encoding; bh=GDzHPQFAAp6LPiIxIvoRlgxRhbX+S5BFcnVxxG6PSRM=; b=k+5vBWVc3c9nmsj2q5JWnDtN+RLF+mBYDCOirhCy7nkQ+xR7vHSQ/50g4zsrqe3x9d 1x7z7hKxRyNXhSQX/saFzswZ/0pjbP5psnJJ1tx9DvoGN41vNcyjYgl8B8iCcbutRelM nKruU52DuvL94CCqO/GQAZLPLwPcAo+lgUBn5yv+DvUfLkmfR4q0trbgCJfZCp2pk2R1 z5Yc//iMluoSIWOAEJNuR7t9rcNgQr5Zj/EH/Pk5d937aGHpsDVh+SUkIS2mg88pOeIJ HG8w1f7NH5sdepv33RPJG6C3Gl4ZdvAbSZZmWdzBnuHnr4TKFBX2gssZlBDa+Qj6cbA/ yRCw== X-Gm-Message-State: AOAM530Iz8qHQPV3QN5HtX+r54kUFpWk8vEx4ju+853p0MidIbpjZML6 tcZeeKV554mP8VM66Wh5BXqp1UZkdVbahw== X-Google-Smtp-Source: ABdhPJx67nZW5cckjOwkTl0iFfp5dEmPjrkf+QDXzWtlIQH53P7Og1XIHoaAjd1H+qzVs2Iotuxdrg== X-Received: by 2002:a17:902:db01:b029:f6:4a13:1764 with SMTP id m1-20020a170902db01b02900f64a131764mr24201024plx.25.1621904652580; Mon, 24 May 2021 18:04:12 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v7 21/92] target/arm: Implement SVE2 bitwise shift right and accumulate Date: Mon, 24 May 2021 18:02:47 -0700 Message-Id: <20210525010358.152808-22-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210525010358.152808-1-richard.henderson@linaro.org> References: <20210525010358.152808-1-richard.henderson@linaro.org> 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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::631; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x631.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: Peter Maydell , qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/sve.decode | 8 ++++++++ target/arm/translate-sve.c | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 42 insertions(+) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 79046d81e3..d3c4ec6dd1 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1253,3 +1253,11 @@ UABALT 01000101 .. 0 ..... 1100 11 ..... ..= ... @rda_rn_rm # ADC and SBC decoded via size in helper dispatch. ADCLB 01000101 .. 0 ..... 11010 0 ..... ..... @rda_rn_rm ADCLT 01000101 .. 0 ..... 11010 1 ..... ..... @rda_rn_rm + +## SVE2 bitwise shift right and accumulate + +# TODO: Use @rda and %reg_movprfx here. +SSRA 01000101 .. 0 ..... 1110 00 ..... ..... @rd_rn_tszimm_shr +USRA 01000101 .. 0 ..... 1110 01 ..... ..... @rd_rn_tszimm_shr +SRSRA 01000101 .. 0 ..... 1110 10 ..... ..... @rd_rn_tszimm_shr +URSRA 01000101 .. 0 ..... 1110 11 ..... ..... @rd_rn_tszimm_shr diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index cf4fa50ad2..1f93b1e3fe 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -6394,3 +6394,37 @@ static bool trans_ADCLT(DisasContext *s, arg_rrrr_es= z *a) { return do_adcl(s, a, true); } + +static bool do_sve2_fn2i(DisasContext *s, arg_rri_esz *a, GVecGen2iFn *fn) +{ + if (a->esz < 0 || !dc_isar_feature(aa64_sve2, s)) { + return false; + } + if (sve_access_check(s)) { + unsigned vsz =3D vec_full_reg_size(s); + unsigned rd_ofs =3D vec_full_reg_offset(s, a->rd); + unsigned rn_ofs =3D vec_full_reg_offset(s, a->rn); + fn(a->esz, rd_ofs, rn_ofs, a->imm, vsz, vsz); + } + return true; +} + +static bool trans_SSRA(DisasContext *s, arg_rri_esz *a) +{ + return do_sve2_fn2i(s, a, gen_gvec_ssra); +} + +static bool trans_USRA(DisasContext *s, arg_rri_esz *a) +{ + return do_sve2_fn2i(s, a, gen_gvec_usra); +} + +static bool trans_SRSRA(DisasContext *s, arg_rri_esz *a) +{ + return do_sve2_fn2i(s, a, gen_gvec_srsra); +} + +static bool trans_URSRA(DisasContext *s, arg_rri_esz *a) +{ + return do_sve2_fn2i(s, a, gen_gvec_ursra); +} --=20 2.25.1