From patchwork Mon Jun 21 16:28:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 464588 Delivered-To: patch@linaro.org Received: by 2002:a05:6638:102:0:0:0:0 with SMTP id x2csp2780713jao; Mon, 21 Jun 2021 10:09:04 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzL9zNf6JOCC3EGWqYVhYudrFOHspquo5T4s1G6r4E2+Zn4eOWyCShX23rrtM/qikbbcH8o X-Received: by 2002:a17:906:4759:: with SMTP id j25mr17863173ejs.4.1624295344687; Mon, 21 Jun 2021 10:09:04 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1624295344; cv=none; d=google.com; s=arc-20160816; b=ARxa33zwBdPUqP8cQ6iPs+m3FS4xpv6EeJ7kHRmtiGczWtchrMT5+RhgMfbEz9p+06 7MZAmIv72LGDBI2cXi0CloU9Z4ohULBimzVSM2WoiKHEikge1JaU8t5u4x3cd/3vi3aC crQxZ2gAQFoCV8AGVr/kr0ajJE5bCK7dBpmSR4wH6UViNcab6X+MCzednV8Y9PBO+Wxe FFiZR/shAUN6MQVG9cefaZTJQ96hJkYCCQ0I6jRtRkAXYGwc/iMHbGdIw9Fo6viKRfAB GAmWZEA8qOqYvC3mn+XyVAtI6RjYTQTrKSjVpQBw5IAgUKffkQzspUhqABukNyCmxKS0 oDBg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to: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=EuNCtElWpZkHQPV+2XyDjESX2bukOQIWrFsLNLLTlFk=; b=CTwsMgDdVkE/Z4dQzP7vxZbCjYD6FWCRONOb9YzKD7g9c+gTVnTmsnG5JFiUTSiQ0c WguSWWx2v5H8GO2Kl3pIzi/UzkNLApHG58sUeBVLQrz8AuGaKwzO45AGFKPLL32Ym3Qu hgf32HAnWQ84cglA6SORaKXVWLKc2Wm4/X4Mv0Rv4qDbmkkc4gojOVwLNoJ3P9wHNaxf NgZcp+trcB6thR6XvrfwNXvEEf7VC8wGEb7SSpVpb4dwL5FbWTgptyXhaAPe9uCa7bts 6jXfkylOYBUy63XoKnXTIVjmCwDSgnuU4Gm1KHheZESniODJOeWrpVpHZmHIF48VRmKt GZ5A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=ia6asaRp; 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 m6si4189574edi.321.2021.06.21.10.09.04 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 21 Jun 2021 10:09:04 -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=ia6asaRp; 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]:36114 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lvNPz-0000DM-P8 for patch@linaro.org; Mon, 21 Jun 2021 13:09:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33692) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lvMna-0007w9-Ka for qemu-devel@nongnu.org; Mon, 21 Jun 2021 12:29:22 -0400 Received: from mail-wm1-x336.google.com ([2a00:1450:4864:20::336]:39521) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lvMnY-0007nS-T5 for qemu-devel@nongnu.org; Mon, 21 Jun 2021 12:29:22 -0400 Received: by mail-wm1-x336.google.com with SMTP id l18-20020a1ced120000b029014c1adff1edso14327787wmh.4 for ; Mon, 21 Jun 2021 09:29:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=EuNCtElWpZkHQPV+2XyDjESX2bukOQIWrFsLNLLTlFk=; b=ia6asaRpkpK7TD2xlrV57VLn6gxoh6h9eduCfPGAwGFsR9v8P7CyeFwKLYQ1dDHuMZ 5gb/h0uYycFUAjySJXQEqWqu1/ohcPghx5i+LmsJFc73pnpqJbQNbbKVaFGRl2jS87sw 8x5v0gdstIkSSpoHXLZj6UNhjg/gXw5p0654pWHeqyWMM+4hNX80sPGBmPhCwxMPYhTW NcARtf8EcktPYKogEWVym2FmDqUDYyAltNcyXOO9shmGWCjk2f9jR+xMoBcyjDmCUn/4 Ljp5ia3W8dIrY0pa6NZDNPN9sP0l2WmWR0L6U8hRNROXBFd+f5gL5YeFpSCHE/rshipE hnkg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=EuNCtElWpZkHQPV+2XyDjESX2bukOQIWrFsLNLLTlFk=; b=is7nS3zEjfmhd7EuScInr8CQPvkAj3EnDV+xHBYBSAK2U2clQvL97tbSPY7/Ypl8IG 6YakEXQ8frqQiq9Vz4TOjVi4XdcxfXxoeWNbF0f2hdGoNo+/Tg5GXvq+f/ZIZfjSapjz N9QI8vS22bb5tquFWBCZnfx91lbPsy5MVWH3JdR1Vvpc3r5MQ2/0ADnjrrBYQ5ifmMg5 ouAl5e6oMVyTe3kEvaZRFfSPbh+L6x6b3jTPntfaxPrmnCsYE2jziGfSZt2gSuXEhxCC llieDy3x6qmVTnoT+deGumbePhEgqm+gJKtoqBqSnqeM6mGuJFh8aMkmh54Hkq9ehb7R gJpg== X-Gm-Message-State: AOAM532bKR9urjFT/u0lnwHmllUb8XnyNMUpoOl+9WjwSl9vLNkVjwHP WcMyJkj7uoV3TZycGa3cvJAR9eRkuy7fviRy X-Received: by 2002:a7b:c099:: with SMTP id r25mr28445042wmh.144.1624292959642; Mon, 21 Jun 2021 09:29:19 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id n65sm11615496wme.21.2021.06.21.09.29.19 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jun 2021 09:29:19 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 50/57] target/arm: Implement MVE VRHADD Date: Mon, 21 Jun 2021 17:28:26 +0100 Message-Id: <20210621162833.32535-51-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210621162833.32535-1-peter.maydell@linaro.org> References: <20210621162833.32535-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::336; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x336.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=ham 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: , 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 Reviewed-by: Richard Henderson Message-id: 20210617121628.20116-40-peter.maydell@linaro.org --- 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 diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h index 34a46ed38ee..2f0cf99359a 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -238,6 +238,14 @@ 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 07c6b238feb..725a775605a 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -531,6 +531,12 @@ DO_2OP_U(vshlu, DO_VSHLU) 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 05789a19812..febf644079c 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -418,6 +418,8 @@ 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) {