From patchwork Mon Jun 21 16:28:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 464593 Delivered-To: patch@linaro.org Received: by 2002:a05:6638:102:0:0:0:0 with SMTP id x2csp2785743jao; Mon, 21 Jun 2021 10:15:11 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx7V2zX4XybSVMOWXUmRUMZXJaFjcSpPw5/JnveuBdwXMcsdLTw1GK55subtJxOw2U7ptPH X-Received: by 2002:aa7:d893:: with SMTP id u19mr3853841edq.304.1624295711066; Mon, 21 Jun 2021 10:15:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1624295711; cv=none; d=google.com; s=arc-20160816; b=y2TGmELU1dIeHz7dQMUZvJvVNNqYRephuvKGqY2vz/F64Q6nUX/PhcqT5qccUE/9+a Wup4ZG/5NGFur6iA8Z/zuOHwKkO6xGMGlbcHoyyenlt29GEQP5d8mlQStwQLKsO7mbmE f9N3iiKJnSp/YeRvIVixEHgmE7z2Eh02Kr9pp5YNqMcBEM0yZaL4ceKxohtI4ZRt0gLT Y9u0TW3CiWHst/zSoejGlY57pcrbvIZFk153NLyn8apfossXSguWHKP5oJ23qd7OEack 5V8nEiYjXN4QNBsPLinHiTnb8kaN2bga+WwRg0rp2p0JdvbAxvXw7RfF6RuWJHnnO3CM 5j+Q== 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=5nU3f4RWod9/+QjnyOBiVQ5f4cz1KcnkOAoyTjGuVhs=; b=sAe/8088Eeo05KwXjCoooZ9bXtTC4e0bhHwaPcwRvPBMtDxv3p8v84NAhRJOZIMS4H PhTb2sxHV3X7jbr9XA9dc+tBIyClm+wRnNSgQnbwCgYnL94Y6znoQVdo7zd5PNCSnE8k Aytr5z1n2FVRL5UFpDzeMf69Wubs2WAzQYJBAx3V0w+aj0s6jeyEOwHf/u/+sH7C2pcw UcVrvNV6wdUhntQqTZIeIumlZrB/r/wl5ET8waoAYoZk0OJSDAF9PKF8xrnrx4dhm0X8 00O1gm2h2xnkIEyMSElKU+VfVZ2Myrbqk5jTigZkUTV7/xj30Ssi62gbVRSQdTB6RP/c ygxA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=JmkJZcDe; 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 l26si7976572edc.440.2021.06.21.10.15.10 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 21 Jun 2021 10:15:11 -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=JmkJZcDe; 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]:51622 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lvNVt-0002DF-Sn for patch@linaro.org; Mon, 21 Jun 2021 13:15:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:33768) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lvMne-00089s-DZ for qemu-devel@nongnu.org; Mon, 21 Jun 2021 12:29:26 -0400 Received: from mail-wm1-x32e.google.com ([2a00:1450:4864:20::32e]:41683) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lvMna-0007oU-TP for qemu-devel@nongnu.org; Mon, 21 Jun 2021 12:29:26 -0400 Received: by mail-wm1-x32e.google.com with SMTP id y13-20020a1c4b0d0000b02901c20173e165so436188wma.0 for ; Mon, 21 Jun 2021 09:29:22 -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=5nU3f4RWod9/+QjnyOBiVQ5f4cz1KcnkOAoyTjGuVhs=; b=JmkJZcDeNBVeZ0E+ee910IEV3IUpYsRMyBK3ROJJ/WlPfJlpCJtitm5NnNuBekMbaa IGQ09XV3cSJQeJ1jowSQ18KRZ9k2H8eZyjhM1ANX+VbiZrCldwAdyi6gCiqEs5ult61p 7ZHDsFuPBtPZmbU27pLIBIOUxaYCYw+0Omkvb/CvJ4g8mmX+2fWimX0xyN+HWVp9vOKx gGV9gxJSqn97Z7P2JCJeOoPLwtcsn4I5Gl7By0xicJzSU2/JlKimq8qxLhf6Fld9dqB0 Hlv4UPQCd14z5I+VpqaDwjA0X+UW+EBvai7g1zUcCaIUCoz9klaFS/Exe6VVb9mxH1GP ozxA== 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=5nU3f4RWod9/+QjnyOBiVQ5f4cz1KcnkOAoyTjGuVhs=; b=MLq9g1yjm1luponZT/KRbHKw+a3KBN5dh+HV17ofLE9j67SfPL0JaOtyI8zHlwwzHV qYviPe37y/miWBOen5X5MPkHQNB7eg4qHWmToRiZido6X+wj8M11jHHnst5/cH4yXaWx A0ejceAc1DgU40c2IUpItrmhLhRdqtdVpLgmIw9bxQpF6LYKTyU+k3rrUWoyXPXNVVwd gz3PP8imYXJaFdYl3XMk7YKyED4i1jelGlrTVJu91x42qIDmwxS2bKB3T7lge8URYX/8 7VWsYtGiM3nWDX3g9QLsfVat6XlhapYssBu6zI+izk8cOIirxTpKKcWYVWAX0VT+1RZ7 eFpA== X-Gm-Message-State: AOAM531/loibhto2F4/iyT/nXk7MUAnHd3Ps/HnIgHkHnwf4COPfz+tj CzbI7GnwzTgvSfG7Yzy5yvpFz6yol/RTgYDN X-Received: by 2002:a1c:9a8b:: with SMTP id c133mr20360119wme.65.1624292961765; Mon, 21 Jun 2021 09:29:21 -0700 (PDT) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [81.2.115.148]) by smtp.gmail.com with ESMTPSA id n65sm11615496wme.21.2021.06.21.09.29.21 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 21 Jun 2021 09:29:21 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 53/57] target/arm: Implement MVE VHCADD Date: Mon, 21 Jun 2021 17:28:29 +0100 Message-Id: <20210621162833.32535-54-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::32e; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32e.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 VHCADD insn, which is similar to VCADD but performs a halving step. This one overlaps with VADC. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20210617121628.20116-43-peter.maydell@linaro.org --- target/arm/helper-mve.h | 8 ++++++++ target/arm/mve.decode | 8 ++++++-- target/arm/mve_helper.c | 2 ++ target/arm/translate-mve.c | 4 +++- 4 files changed, 19 insertions(+), 3 deletions(-) -- 2.20.1 diff --git a/target/arm/helper-mve.h b/target/arm/helper-mve.h index b8ad3df9cc8..161308b67e6 100644 --- a/target/arm/helper-mve.h +++ b/target/arm/helper-mve.h @@ -259,6 +259,14 @@ DEF_HELPER_FLAGS_4(mve_vcadd270b, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) DEF_HELPER_FLAGS_4(mve_vcadd270h, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) DEF_HELPER_FLAGS_4(mve_vcadd270w, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhcadd90b, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhcadd90h, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhcadd90w, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) + +DEF_HELPER_FLAGS_4(mve_vhcadd270b, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhcadd270h, TCG_CALL_NO_WG, void, env, ptr, ptr, ptr) +DEF_HELPER_FLAGS_4(mve_vhcadd270w, 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 afe60078649..695097dcca4 100644 --- a/target/arm/mve.decode +++ b/target/arm/mve.decode @@ -160,8 +160,12 @@ 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 -VADC 1110 1110 0 . 11 ... 0 ... 0 1111 . 0 . 0 ... 0 @2op_nosz -VADCI 1110 1110 0 . 11 ... 0 ... 1 1111 . 0 . 0 ... 0 @2op_nosz +{ + VADC 1110 1110 0 . 11 ... 0 ... 0 1111 . 0 . 0 ... 0 @2op_nosz + VADCI 1110 1110 0 . 11 ... 0 ... 1 1111 . 0 . 0 ... 0 @2op_nosz + VHCADD90 1110 1110 0 . .. ... 0 ... 0 1111 . 0 . 0 ... 0 @2op + VHCADD270 1110 1110 0 . .. ... 0 ... 1 1111 . 0 . 0 ... 0 @2op +} { VSBC 1111 1110 0 . 11 ... 0 ... 0 1111 . 0 . 0 ... 0 @2op_nosz diff --git a/target/arm/mve_helper.c b/target/arm/mve_helper.c index fcb44ae7441..9839d3e64a3 100644 --- a/target/arm/mve_helper.c +++ b/target/arm/mve_helper.c @@ -617,6 +617,8 @@ void HELPER(mve_vsbci)(CPUARMState *env, void *vd, void *vn, void *vm) DO_VCADD_ALL(vcadd90, DO_SUB, DO_ADD) DO_VCADD_ALL(vcadd270, DO_ADD, DO_SUB) +DO_VCADD_ALL(vhcadd90, do_vhsub_s, do_vhadd_s) +DO_VCADD_ALL(vhcadd270, do_vhadd_s, do_vhsub_s) static inline int32_t do_sat_bhw(int64_t val, int64_t min, int64_t max, bool *s) { diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index b164907426c..73c15f41333 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -423,10 +423,12 @@ DO_2OP(VRHADD_U, vrhaddu) /* * VCADD Qd == Qm at size MO_32 is UNPREDICTABLE; we choose not to diagnose * so we can reuse the DO_2OP macro. (Our implementation calculates the - * "expected" results in this case.) + * "expected" results in this case.) Similarly for VHCADD. */ DO_2OP(VCADD90, vcadd90) DO_2OP(VCADD270, vcadd270) +DO_2OP(VHCADD90, vhcadd90) +DO_2OP(VHCADD270, vhcadd270) static bool trans_VQDMULLB(DisasContext *s, arg_2op *a) {