From patchwork Mon Jun 7 16:58:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 455369 Delivered-To: patch@linaro.org Received: by 2002:a02:735a:0:0:0:0:0 with SMTP id a26csp2953380jae; Mon, 7 Jun 2021 10:53:26 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxUE/0zPF80N2rNY4KrBMFRVsWAXwKGUBWM9A8F0Tm7joiYfjuSil/soqtJmlEe12nijguT X-Received: by 2002:a92:c689:: with SMTP id o9mr16739708ilg.297.1623088406198; Mon, 07 Jun 2021 10:53:26 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1623088406; cv=none; d=google.com; s=arc-20160816; b=jA78hoPXn9J4LSOEAh9XUJ2wtV7UWnx+5IoMGusw0gjlOn5BU9L9PU5+FfAvtqiLtQ yheWle6b+xqewd57Dzy/Jsj57R6FG70mnLAasNdIISE/z32VIbUNFwTk7uMC/6phG201 BmFuhAlYmwZLeEDh1/rYdkWpe5h52HfiDiC1nJdo/XQAec3MNczfa5k5ivYByPNJi7yc fvkov3UhgeyF1uMwnn9R41jGqTbY5VL4mIgUiAjLhC2eew2ZOl7IT7U9m/oYAd4sayBo ZALiv0BNfARuIdQIuC+DA42WLUwiW5sbvRGGeaCdJS/iLhddajVcOEF09K90Rpzv/7u5 FcVA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:references:in-reply-to:message-id:date:subject:to:from :dkim-signature; bh=MtUWIrOwARNN+B35zuZj2IuA3K1qcjuz/iaWJMrCiDM=; b=F/8ZYw04ViHBLRZkynmgGS1GIXPgk5ZK3QG6zo898dEqpxbPfr5Um7MiVoKHbMjBo+ LwFIhWYL3S5fdjkBEZv2dizJJLaJjc6Ql9hgCQkBXHlrFgqAu+yxtA0Jy4uf712y8bIC QjZFmLsJW5cye9pfgP5wQ7hXpwGG84DX7wt/xY+c2IgcOtn4UbGN/z7sSG7G6SNgEdSo MdS4Ob5zZT76MAjQTm260qNq+6COQcRPjagHbIybsRhHMhxfOoS+Oykbzi1nE/8CIF7y t8vu89X7IVxC5O7uVNW9SWS3kkgejnqyPYhEPJpzTCdl9S3WM3SgGBC4lGNdOKxMh7Y0 JsFA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=WUszFXbz; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id j1si13293059ila.134.2021.06.07.10.53.26 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 07 Jun 2021 10:53:26 -0700 (PDT) Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=WUszFXbz; spf=pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-devel-bounces+patch=linaro.org@nongnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:42602 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lqJRF-00078P-L2 for patch@linaro.org; Mon, 07 Jun 2021 13:53:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60404) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lqIbO-0000Kr-0y for qemu-devel@nongnu.org; Mon, 07 Jun 2021 12:59:50 -0400 Received: from mail-wr1-x433.google.com ([2a00:1450:4864:20::433]:38665) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lqIae-000872-Jj for qemu-devel@nongnu.org; Mon, 07 Jun 2021 12:59:49 -0400 Received: by mail-wr1-x433.google.com with SMTP id c9so9746830wrt.5 for ; Mon, 07 Jun 2021 09:59:03 -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=MtUWIrOwARNN+B35zuZj2IuA3K1qcjuz/iaWJMrCiDM=; b=WUszFXbzhOx0qvh67xbSjDEy/SBMJE5J7mP+xDMtDdS7Bl1xf6MaWdqEV2S3KlixZn imxQW89lpBCb+TTGY7Z1apQA+a3GgapgpUQmqvN8Ckhsw4DfLL1l2+hInlvBQODuc0Zn vWtmnDWmOIc1TYCqJjy9JOByFpu9zGQnUTmBRu3HrpiRRzwv7apYHl0LdlBdyHF+KjIs ZY1OIZJ/PjsBXnhPHsVyE8ov5zI3OhoS2ZtzqhdiL9Hwmie28HiNcTfsdUjKtP+9krWb KwnUnMuoUSN+xByeaZglvk+etevV0/q0UnXYnTrehESs4MuUfMTzOIMPiBxUgoaHNS+j J51A== 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=MtUWIrOwARNN+B35zuZj2IuA3K1qcjuz/iaWJMrCiDM=; b=hqPeC1VcStqjMMJfLKrMvIL3z8OkUDQ6SpZ6BR1krTvekbSd+RLbDZ5g4DnYPGSBWh vboE6j3ySnRe4q6ntmwZ1M5RZ0IyUIyRc1dNqBpEKNrMJ+Do0wK7HwBcCfF6ECttMPU7 dwccnrSCiF/IYoiVawDir72ZffOrqb2MeafRemKcfR6PqA7WZA0bYQjW6HTFQFfgVuQf cKYZnZFxp1rbuM87J46EvoTktUVnTpN5BT2NvV9E5xojcO8RE+V7+zHJfMBrbg/lMIH7 HEcnSFUILSwZ+I18dOHSquf8XbpoZTWVqQ/psF6zqxmo5YmHMFF9+Bep2Yni3wKCwd4u uQLA== X-Gm-Message-State: AOAM530/0wuEsJKvpDnAM1+vTW1mkVREW3uVQO9x65dV3JTKsrgk82V7 Pa4gbiT8JnzNzOOYX+dJlQS+Gg== X-Received: by 2002:a5d:5243:: with SMTP id k3mr18359569wrc.19.1623085143072; Mon, 07 Jun 2021 09:59:03 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id n10sm18891677wre.95.2021.06.07.09.59.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 09:59:02 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 50/55] target/arm: Implement MVE VRHADD Date: Mon, 7 Jun 2021 17:58:16 +0100 Message-Id: <20210607165821.9892-51-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210607165821.9892-1-peter.maydell@linaro.org> References: <20210607165821.9892-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::433; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x433.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: Richard Henderson Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Implement the MVE VRHADD insn, which performs a rounded halving addition. Signed-off-by: Peter Maydell --- target/arm/helper-mve.h | 8 ++++++++ target/arm/mve.decode | 3 +++ target/arm/mve_helper.c | 6 ++++++ target/arm/translate-mve.c | 2 ++ 4 files changed, 19 insertions(+) -- 2.20.1 Reviewed-by: Richard Henderson diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h index ffddbd72377..cd2cc6252f8 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -240,6 +240,14 @@ DEF_HELPER_FLAGS_4(mve_vqdmullbw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) DEF_HELPER_FLAGS_4(mve_vqdmullth, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) DEF_HELPER_FLAGS_4(mve_vqdmulltw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vrhaddsb, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vrhaddsh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vrhaddsw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) + +DEF_HELPER_FLAGS_4(mve_vrhaddub, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vrhadduh, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vrhadduw, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) + DEF_HELPER_FLAGS_4(mve_vadd_scalarb, TCG_CALL_NO_WG, void, env, ptr, ptr, i32) DEF_HELPER_FLAGS_4(mve_vadd_scalarh, TCG_CALL_NO_WG, void, env, ptr, ptr, i32) DEF_HELPER_FLAGS_4(mve_vadd_scalarw, TCG_CALL_NO_WG, void, env, ptr, ptr, i32) diff --git a/target/arm/mve.decode b/target/arm/mve.decode index 3a2a7e75a3a..6b969902df0 100644 --- a/target/arm/mve.decode +++ b/target/arm/mve.decode @@ -157,6 +157,9 @@ VQRDMLSDHX 1111 1110 0 . .. ... 0 ... 1 1110 . 0 . 0 ... 1 @2op VQDMULLB 111 . 1110 0 . 11 ... 0 ... 0 1111 . 0 . 0 ... 1 @2op_sz28 VQDMULLT 111 . 1110 0 . 11 ... 0 ... 1 1111 . 0 . 0 ... 1 @2op_sz28 +VRHADD_S 111 0 1111 0 . .. ... 0 ... 0 0001 . 1 . 0 ... 0 @2op +VRHADD_U 111 1 1111 0 . .. ... 0 ... 0 0001 . 1 . 0 ... 0 @2op + # Vector miscellaneous VCLS 1111 1111 1 . 11 .. 00 ... 0 0100 01 . 0 ... 0 @1op diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c index 68a2339feae..c9434479604 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -574,6 +574,12 @@ static inline int32_t do_srshl(int32_t n, int8_t shift, int esize) DO_2OP_S(vrshls, DO_VRSHLS) DO_2OP_U(vrshlu, DO_VRSHLU) +#define DO_RHADD_S(N, M) (((int64_t)(N) + (M) + 1) >> 1) +#define DO_RHADD_U(N, M) (((uint64_t)(N) + (M) + 1) >> 1) + +DO_2OP_S(vrhadds, DO_RHADD_S) +DO_2OP_U(vrhaddu, DO_RHADD_U) + static inline int32_t do_sat_bhw(int64_t val, int64_t min, int64_t max, bool *s) { if (val > max) { diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index b227b72e5b6..9a88583385f 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -437,6 +437,8 @@ DO_2OP(VQDMLSDH, vqdmlsdh) DO_2OP(VQDMLSDHX, vqdmlsdhx) DO_2OP(VQRDMLSDH, vqrdmlsdh) DO_2OP(VQRDMLSDHX, vqrdmlsdhx) +DO_2OP(VRHADD_S, vrhadds) +DO_2OP(VRHADD_U, vrhaddu) static bool trans_VQDMULLB(DisasContext *s, arg_2op *a) {