From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 26908C433DB for ; Tue, 9 Mar 2021 17:38:25 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C750F64F02 for ; Tue, 9 Mar 2021 17:38:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C750F64F02 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:37298 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lJgJL-0000tr-Va for qemu-devel@archiver.kernel.org; Tue, 09 Mar 2021 12:38:24 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:45906) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lJf6x-0007Ok-5D for qemu-devel@nongnu.org; Tue, 09 Mar 2021 11:21:32 -0500 Received: from mail-oi1-x233.google.com ([2607:f8b0:4864:20::233]:44670) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lJf6Z-0002TS-SQ for qemu-devel@nongnu.org; Tue, 09 Mar 2021 11:21:29 -0500 Received: by mail-oi1-x233.google.com with SMTP id w195so8891355oif.11 for ; Tue, 09 Mar 2021 08:21:07 -0800 (PST) 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=aFif56JV+fTnJ9XuXaPYxfPPOlJI5WKkI90jCx4L/Os=; b=npnOlkSC9RW5z868zDrdc4wPYr69gdikOhINi9glBWFpsBhMhihFDvJ7uwhiPI0coK y89uzWd+LobqKxlzdQuEpMIVV/L0Vtkf/CvhiGAGq84E2jmtXRNRJnxhxkLRrwmQX+3y zgCdoQJNSDEHq+zUBEyYlc2dk1oYmLf0npmYBXh+idCl5AO9ZyA+7au76HCkdCjxRDBQ bfg7W5NmWfCmlfAOpF06e0Mu9XXIch+Fgq2L3wdvvalrf4A8bGsRc9xLa4RoGhK7U0pp 3CxM7pWQ06vesdrS8o6KWd8xnOZxyiQwzu5fe3OTSdW0ztKe8KsjiJn/+v7SmSulBIM/ RXTg== 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=aFif56JV+fTnJ9XuXaPYxfPPOlJI5WKkI90jCx4L/Os=; b=fR+tBNUElxO+S1V3LHLMR20hyuccCEy9jYUu8P8hfqlN4ToojYmmXVEL7ZN38ZQ91y VgDgcFRdRjqRJHdBTKwQc5M+GzIMqFrvnZCaDaoVlsKUFIek8dpQ6GEyVwU8XfN5srFH xd6iWdy6UwtU9XooV4iVBWuzya2QSKcm7W2/ulc/iM+4dUcSNWoj4ta+ppOKRybcJoNv G0fAHIX8XnPyW6UIoWbDv2VGfoqz/YrEIZ4AjAteCjbaEfrWXacvjVLb9A82Oy3/dOJa iiKtpDe3MJHDmUFu5b/2TpRW4cNkCOkBwfqdsO+vRct1wvfs7hc3gYsg1cUjmB3u1yUZ o8FA== X-Gm-Message-State: AOAM532uNhu5RG66H7+qkYo8MO6M00+huS22xFyqNpP4stqFc/8p9vXs Q1FkmybdMuPl3AcvaBPVgPSWYHM5S0Wp4P+g X-Google-Smtp-Source: ABdhPJxxZR5IIsHbYg6UKMzswDKKh9YaTY9wOuMFZN26tb8wS2a1U7kzf+X3DSXLHxFtFhraX3w7LA== X-Received: by 2002:aca:acc2:: with SMTP id v185mr3383689oie.28.1615306866788; Tue, 09 Mar 2021 08:21:06 -0800 (PST) Received: from localhost.localdomain (fixed-187-189-51-144.totalplay.net. [187.189.51.144]) by smtp.gmail.com with ESMTPSA id v23sm2516474ots.63.2021.03.09.08.21.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Mar 2021 08:21:06 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v4 21/78] target/arm: Implement SVE2 bitwise shift right and accumulate Date: Tue, 9 Mar 2021 08:19:44 -0800 Message-Id: <20210309162041.23124-22-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210309162041.23124-1-richard.henderson@linaro.org> References: <20210309162041.23124-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::233; envelope-from=richard.henderson@linaro.org; helo=mail-oi1-x233.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@linaro.org, qemu-arm@nongnu.org, alex.bennee@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 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 92420d3ec7..bd4d6f1a69 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -6395,3 +6395,37 @@ static bool trans_ADCLT(DisasContext *s, arg_rrrr_esz *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 = vec_full_reg_size(s); + unsigned rd_ofs = vec_full_reg_offset(s, a->rd); + unsigned rn_ofs = 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); +} -- 2.25.1