From nobody Mon Feb 9 18:18:16 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1623685517; cv=none; d=zohomail.com; s=zohoarc; b=FUbAIvccdoaZKOMuQTtcilkDz9QbxtY8sbR9VzRbTECGctNbDzFeRCp+xxFPjRsdLHqG3QFpKeEgRQTUHqjOasq8PAwYepfzU/8MAh4RLju/NfYtlpOJDq1h2TZhyF2zNqZ3tfKH8Rbbhp/J3FfRH0uDXFJ/H6K0nzeoWxnCSDQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1623685517; 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=5Akv5O3gdjVrTqCIXbrRhtQJKkd4wWDJEYr14K1N04g=; b=XPLBuarI46StcOr+yTuRc5JHJIL7uaaaUBrtXF88yTw04E03DVbnKUJ0rjgQFlD0nT5iMp5qSKTYLoOo9FWYM2zKyZiSGQF0QbkjaRL165gnSW9jaXB3jTNxtK01Oyr8H7QHRkw0vhdxyCNkBsMo+x5J4OVDS9yWubhGEWHXqDs= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1623685517732936.9806289192546; Mon, 14 Jun 2021 08:45:17 -0700 (PDT) Received: from localhost ([::1]:47072 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lsom4-0001YC-IM for importer@patchew.org; Mon, 14 Jun 2021 11:45:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48514) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lsoFC-0002eR-TM for qemu-devel@nongnu.org; Mon, 14 Jun 2021 11:11:18 -0400 Received: from mail-wm1-x32b.google.com ([2a00:1450:4864:20::32b]:53970) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lsoEo-0000db-Ai for qemu-devel@nongnu.org; Mon, 14 Jun 2021 11:11:18 -0400 Received: by mail-wm1-x32b.google.com with SMTP id b205so7635094wmb.3 for ; Mon, 14 Jun 2021 08:10:53 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id b8sm20865639wmd.35.2021.06.14.08.10.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Jun 2021 08:10:52 -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=5Akv5O3gdjVrTqCIXbrRhtQJKkd4wWDJEYr14K1N04g=; b=YGA/XIFh0yK/mP0Glc7jJTKcfSkCDzi5znC688Z909oIfEYDL/xaLK/EJagEHImRzW fWNCjWk0cUnNpHUCg8he3fXKuUhGw4eFHx6s74weOwabTImTfZVqRg5NEHSMFxzL/O2h jjlQ/Dyn0shHFJcSJKvqoP0Mb18WxuMeCoVYERdCytdIVe4trlfIshmw2LSsrK4cLVRN iqs0/cdajfBW1bKqLDH4/3S/Ib1ZaM1wN9gAss6cdz7DBI0j3SKzynmAQgz+AS9nu2iM JuNU3kt4PN+Axw5PPIzBEv1EqU+s2mH7WqfkCid5a1DCp3uUzqRrofIclRiG3GuejejF WukA== 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=5Akv5O3gdjVrTqCIXbrRhtQJKkd4wWDJEYr14K1N04g=; b=K25P5zvtFKAulYUwcdGp2lTDs4cRqSAzTPY8vn2rsXMfDorD6VV72bkn4qYjFgF86n C2ZOg5cx3XJzsh+ma5scVYHZ8hS+nZ23Ukdh7HiDuA+veksiXvl9LI8xMNEh78Ana5/v GUjOsjXBCDeO0Np7Rk+ecaN1GdenUjMiGVuU4rheZbx7Cs7Y/KIveMhDEfJGYHkC7R3l eYLADUXabYaawBdA298Gb72pvO6wlVATtTxAu9Uu1F9JJeNjB/5gH9jIDc/lFCy6Suat K4enxiQ5YG/z2b8DTsK64Z0x6lEX+qz1FP5XQi3zLoQNcrmshXIJbp4vh06TYsSReh24 JNBQ== X-Gm-Message-State: AOAM532wkgnM14LNq5XtuCGzBN3DVGoj+zIocjBPyecZmJgBIBCHrhWf b4iwZep4Dy7lGcE5da5BdGLg/g== X-Google-Smtp-Source: ABdhPJxGil3Fl/ZX4O95gdsiR+ZgGvKo8hkSENHyyFqggkhmhXtDhKu1qM4LiY9szd3QfZzrQgZSFw== X-Received: by 2002:a1c:2155:: with SMTP id h82mr17246212wmh.115.1623683453007; Mon, 14 Jun 2021 08:10:53 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v2 52/57] target/arm: Implement MVE VRHADD Date: Mon, 14 Jun 2021 16:10:02 +0100 Message-Id: <20210614151007.4545-53-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210614151007.4545-1-peter.maydell@linaro.org> References: <20210614151007.4545-1-peter.maydell@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+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32b; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32b.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: , Cc: Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Implement the MVE VRHADD insn, which performs a rounded halving addition. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- 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(+) 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) =20 +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 =20 +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 =20 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 7c5b36caae9..a8ff921144d 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -546,6 +546,12 @@ DO_2OP_U(vshlu, DO_VSHLU) DO_2OP_S(vrshls, DO_VRSHLS) DO_2OP_U(vrshlu, DO_VRSHLU) =20 +#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, bo= ol *s) { if (val > max) { diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index ca1203e650d..a4efb9bc3eb 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) =20 static bool trans_VQDMULLB(DisasContext *s, arg_2op *a) { --=20 2.20.1