From nobody Fri Dec 19 15:55:04 2025 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=1624293637; cv=none; d=zohomail.com; s=zohoarc; b=NL/q4/3bID/6cuSHIWxvlledfU4TtGYhxF575r3sxWzCRt1zA2NLjp641ssKQanuj3eSz3Vwt69WA45g/nuBd3Y6e0xhcEA5KSP+N0RgUipkBnAB56si99IZhj9KZomOSUVgFngZ7eL2U3ZHiPPjOpvT2kcyTtVCP01Dn5fwR7A= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1624293637; h=Content-Transfer-Encoding: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=LY6PIKTPhDUd/P/fkt4tVIZMXUY8Ydr9J8Iah/0S6x4=; b=B2XNb8obx8UyvLU2IGZcBJRGBkGveRtVL5fI9nMmApS8CO4r0ksloB36jVlZXngh/JplNY0wtt6gNQFTfXFlAMcxv7VU3QF6BpceclPnJuEvAZIiOyjpnWblE40WlUJy/foliIwkBcKXsc208AbjY2HwFS4rAEJV3MNE/eKKiyc= 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 1624293637483165.36857357459724; Mon, 21 Jun 2021 09:40:37 -0700 (PDT) Received: from localhost ([::1]:39812 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lvMyS-00043y-An for importer@patchew.org; Mon, 21 Jun 2021 12:40:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33262) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lvMnE-0007Ce-Jn for qemu-devel@nongnu.org; Mon, 21 Jun 2021 12:29:01 -0400 Received: from mail-wr1-x431.google.com ([2a00:1450:4864:20::431]:36619) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lvMn7-0007Zl-C1 for qemu-devel@nongnu.org; Mon, 21 Jun 2021 12:29:00 -0400 Received: by mail-wr1-x431.google.com with SMTP id n7so20383899wri.3 for ; Mon, 21 Jun 2021 09:28:50 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id n65sm11615496wme.21.2021.06.21.09.28.49 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jun 2021 09:28:49 -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=LY6PIKTPhDUd/P/fkt4tVIZMXUY8Ydr9J8Iah/0S6x4=; b=okPLTq/2sTGep6KKTb4NNk+EGasxdKw+Nkzw2ciNsLA1jDIKvq9C4Rq5jB28v5PO99 /umCGhm3udXGRtmuWgDVRXSq9ke4zMZ66XgJQ2lIOMkboj3Zm6PkMWtxXgaO26OSt9Ba 9gWtHQ+pM3sNlk6aUOtROf9O8YjjInF6ooiUXL7yfJiL3fQQq5oG5/zIQMn7zLKYhigQ YKTyEWzwDwcLTp3H8WeOU078ATP1Es5DYHt4ItFFTJhYx9IOfJ50xqKJgEJc9xPjQve3 gWZjyUU4vti0dKHWOWaGz6v7bJtvtKFqcsrq5MsH/1lCTr1lU7GJfoF5XraAOaz7ON0t +7og== 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=LY6PIKTPhDUd/P/fkt4tVIZMXUY8Ydr9J8Iah/0S6x4=; b=mxWsGUa66QsIou/GMtvClYer1/xjCrkMEkOgemP46EVhAtzeIsPRz9VGLTMeSVnVvY 20d+zapXbLfYjF4wCsZESa53656J0A0UeCXsSv6uN+YBcGKQDvIopomrSR9vZe7neT1m Y8eG+C1P88dcrFHofVPZDfvw4FUedQGErGCxcFkPdGpbuELas6ibU6obxxYgneiYFOP5 TJKCboDscJAKoPvUys6+7AsFdJZC3VdSlj3eYePi1VyerLhPeK3xhqUEsRgEVzMds5cA 5PQJJr2LkJ1pGkKhSlk8o+IUjFbwtorYpVyZIkKnjM2pTgXPw30UkGmIjZ7czUFCxMrw zYfQ== X-Gm-Message-State: AOAM5309/1WMpuPcx16pejrih77wIHfridEHnNEvR3OtvTrjmrTt8WR7 YUeuSivzUiqp0I6p9iDExfXAslLTNM0ig7sM X-Google-Smtp-Source: ABdhPJx9oMWjXpbqJkr1XiDvVTP0z5SmsG7qiS9V7wtllOPZYqSLhddTWmGHBI6AyXFUlAeDDhtL5g== X-Received: by 2002:a5d:6a8b:: with SMTP id s11mr20563672wru.88.1624292929941; Mon, 21 Jun 2021 09:28:49 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 19/57] target/arm: Implement MVE VNEG Date: Mon, 21 Jun 2021 17:27:55 +0100 Message-Id: <20210621162833.32535-20-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 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::431; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x431.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+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 VNEG insn (both integer and floating point forms). Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20210617121628.20116-9-peter.maydell@linaro.org --- target/arm/helper-mve.h | 6 ++++++ target/arm/mve.decode | 2 ++ target/arm/mve_helper.c | 12 ++++++++++++ target/arm/translate-mve.c | 15 +++++++++++++++ 4 files changed, 35 insertions(+) diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h index 76508d5dd71..733a54d2e3c 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -55,3 +55,9 @@ DEF_HELPER_FLAGS_3(mve_vabsh, TCG_CALL_NO_WG, void, env, = ptr, ptr) DEF_HELPER_FLAGS_3(mve_vabsw, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vfabsh, TCG_CALL_NO_WG, void, env, ptr, ptr) DEF_HELPER_FLAGS_3(mve_vfabss, TCG_CALL_NO_WG, void, env, ptr, ptr) + +DEF_HELPER_FLAGS_3(mve_vnegb, TCG_CALL_NO_WG, void, env, ptr, ptr) +DEF_HELPER_FLAGS_3(mve_vnegh, TCG_CALL_NO_WG, void, env, ptr, ptr) +DEF_HELPER_FLAGS_3(mve_vnegw, TCG_CALL_NO_WG, void, env, ptr, ptr) +DEF_HELPER_FLAGS_3(mve_vfnegh, TCG_CALL_NO_WG, void, env, ptr, ptr) +DEF_HELPER_FLAGS_3(mve_vfnegs, TCG_CALL_NO_WG, void, env, ptr, ptr) diff --git a/target/arm/mve.decode b/target/arm/mve.decode index 66963dc1847..82cc0abcb82 100644 --- a/target/arm/mve.decode +++ b/target/arm/mve.decode @@ -80,3 +80,5 @@ VMVN 1111 1111 1 . 11 00 00 ... 0 0101 11 . 0= ... 0 @1op_nosz =20 VABS 1111 1111 1 . 11 .. 01 ... 0 0011 01 . 0 ... 0 @1op VABS_fp 1111 1111 1 . 11 .. 01 ... 0 0111 01 . 0 ... 0 @1op +VNEG 1111 1111 1 . 11 .. 01 ... 0 0011 11 . 0 ... 0 @1op +VNEG_fp 1111 1111 1 . 11 .. 01 ... 0 0111 11 . 0 ... 0 @1op diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c index 2cf28f054bf..7b662f9e03a 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -294,3 +294,15 @@ DO_1OP(vabsw, 4, int32_t, DO_ABS) /* We can do these 64 bits at a time */ DO_1OP(vfabsh, 8, uint64_t, DO_FABSH) DO_1OP(vfabss, 8, uint64_t, DO_FABSS) + +#define DO_NEG(N) (-(N)) +#define DO_FNEGH(N) ((N) ^ dup_const(MO_16, 0x8000)) +#define DO_FNEGS(N) ((N) ^ dup_const(MO_32, 0x80000000)) + +DO_1OP(vnegb, 1, int8_t, DO_NEG) +DO_1OP(vnegh, 2, int16_t, DO_NEG) +DO_1OP(vnegw, 4, int32_t, DO_NEG) + +/* We can do these 64 bits at a time */ +DO_1OP(vfnegh, 8, uint64_t, DO_FNEGH) +DO_1OP(vfnegs, 8, uint64_t, DO_FNEGS) diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index 90996813a85..ad2e4af2844 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -200,6 +200,7 @@ static bool do_1op(DisasContext *s, arg_1op *a, MVEGenO= neOpFn fn) DO_1OP(VCLZ, vclz) DO_1OP(VCLS, vcls) DO_1OP(VABS, vabs) +DO_1OP(VNEG, vneg) =20 static bool trans_VREV16(DisasContext *s, arg_1op *a) { @@ -252,3 +253,17 @@ static bool trans_VABS_fp(DisasContext *s, arg_1op *a) } return do_1op(s, a, fns[a->size]); } + +static bool trans_VNEG_fp(DisasContext *s, arg_1op *a) +{ + static MVEGenOneOpFn * const fns[] =3D { + NULL, + gen_helper_mve_vfnegh, + gen_helper_mve_vfnegs, + NULL, + }; + if (!dc_isar_feature(aa32_mve_fp, s)) { + return false; + } + return do_1op(s, a, fns[a->size]); +} --=20 2.20.1