From patchwork Wed Aug 28 19:03:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 172429 Delivered-To: patch@linaro.org Received: by 2002:a92:d204:0:0:0:0:0 with SMTP id y4csp1187729ily; Wed, 28 Aug 2019 12:21:14 -0700 (PDT) X-Google-Smtp-Source: APXvYqxPHAaW6mVKZz4HoUQbK++j5LGjU4YddQKFhuU7KMouclXhEsgj6xkbZNFFgCAbrqgZcPMH X-Received: by 2002:a05:6214:42e:: with SMTP id a14mr4134608qvy.19.1567020074371; Wed, 28 Aug 2019 12:21:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1567020074; cv=none; d=google.com; s=arc-20160816; b=BW1521KyoZ2AQ/ng3fBFz+SpaLc4HU0HCoi9Rjubdl6o+rTiVH9xAp1MMDNWqiXwRF ReJMNIUNE6ESxUkZf9BNEa1glXOgubHmYRIlS/h1LmO3FiVeprdyQPw1XMEP+lDl/JUv aIOozAUVpWOA47R1/e0WCaqkub0I/ylMp2Waoyw4NDUWzcy2/BfcIRp1t1wTi/3yq7bW jLg33gVxjc+Ui0bwFE4uo8c/QXJYsL71ZgpPv2Hs/J3MEW258aByw+Zttp7NIxmZUHWj DOcOERr1Zm4Iaxx58casUClOGmCSrkJ8ZW4YbKx9hpccKMJsZgDj+PQS4e8fYoAR/WyG nvRg== 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:subject:references:in-reply-to :message-id:date:to:from:dkim-signature; bh=VO3W9DH8N43psEbK5DhPL38cP8IqwAsRisCTRHkRmo0=; b=tw0O+IXCfZx/qZZYD1QgSmkwqr78a9HdKs334Nd5TFkt9TjgVsO5QHbF5EJ+DK0PVL 5C4VieSUqEmPEIOzv9tMLL09l0eISBrsEoQOa78YH39adcHcsRJfeu43KYichy6y05F+ 5j1LkqRmVekAJPCjfu9IQmxy2NXm6XG5TX6IRJbl5UIREbwm+J3B/SdatFRu2ApRq//Y S8ba+IbG9iybHT3sV9Dtmjpv9wCBAm+o8SofFZVtcCS30+MaG7Qvb80WIgLuYR4Vynro 6yKS0lRBOT48oaGHKvCl7CUjYAqwgjvGgAEUINKt20RXozIG7rKoD0uJbzKUd5ZkoGBK gyfg== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@linaro.org header.s=google header.b=KjA6QUR6; 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=fail (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 z138si169472qka.258.2019.08.28.12.21.14 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 28 Aug 2019 12:21:14 -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=fail header.i=@linaro.org header.s=google header.b=KjA6QUR6; 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=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: from localhost ([::1]:41128 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i33VI-0008VP-VU for patch@linaro.org; Wed, 28 Aug 2019 15:21:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37557) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i33Fs-00038J-1P for qemu-devel@nongnu.org; Wed, 28 Aug 2019 15:05:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i33Fq-0008JL-0N for qemu-devel@nongnu.org; Wed, 28 Aug 2019 15:05:15 -0400 Received: from mail-pg1-x544.google.com ([2607:f8b0:4864:20::544]:33904) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1i33Fp-0008Hc-Cy for qemu-devel@nongnu.org; Wed, 28 Aug 2019 15:05:13 -0400 Received: by mail-pg1-x544.google.com with SMTP id n9so233475pgc.1 for ; Wed, 28 Aug 2019 12:05:13 -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; bh=VO3W9DH8N43psEbK5DhPL38cP8IqwAsRisCTRHkRmo0=; b=KjA6QUR6nHRZf6I+bVkPcfociKyMauAjE0flKOHl0ZsKmjwS76Ihi0WhkoTM4CYjYk 3ahHSdxrIHvLVvuV+l/u17TJNj51OW6px917/Bt4bVz3WL6Ka5A9OQPBe4psgOahx6xW 6yI3uhnq04Db+XW7ja/dqvpUias5pPPCn5hHK8p8e7qI1pwsLpBI/4h/HN+ECiYkMU7E RM7EzIrR4z6C0WHvB+vOy6kocsNgWCzMSNCgW/tYtMGIg7ltlx7/dS4vwef7YogVUdmJ SIxnka9OdTGl792W6/KEvKmHv5Z2hXPIDWK4gjLwE2j2tBj3bhsCPkPJg6WMg+rd2jd5 pVbQ== 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; bh=VO3W9DH8N43psEbK5DhPL38cP8IqwAsRisCTRHkRmo0=; b=EyLP/iNEQrmbP8c67DTx9Qvu2flA/iThiDoILGppNf7G/CMHcAr51HGogwCL9oM6Z3 0BPd5pgbNmkXrdXHJ4hD7Cifz7QUCpAffe1+Khlwkua6qe7rWCKcJfl13AZnOrCBJGQu 4ddOoZZKcDB5mHX58yV1fB+ybvxUd3/h1eKnM24Fo0tYTMDPqmnfITwYAMZ2QO1pwNHj B+sEYhI8a3IWKjYjE5d0vtCpE21ajS/SC0zi5rmQGHGftbMl28db29Zgz9erw2qgXmqO H1vzub/LZW46+2ISk82hHL+o5vXpQslQbiu9nyLDQjndtzSwKWowH9KuaxmMiIWQ+SBT uenw== X-Gm-Message-State: APjAAAVkXKdXZHVu8isyFcOg6SBp8iDZVb47fdog4Erhc2OZIzWxQui2 YCfqQ4wg7U29B9V2DaDOT3SaF54ZfkQ= X-Received: by 2002:a65:5b09:: with SMTP id y9mr4889095pgq.345.1567019111704; Wed, 28 Aug 2019 12:05:11 -0700 (PDT) Received: from localhost.localdomain (97-113-7-119.tukw.qwest.net. [97.113.7.119]) by smtp.gmail.com with ESMTPSA id f27sm2967944pgm.60.2019.08.28.12.05.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Aug 2019 12:05:10 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Wed, 28 Aug 2019 12:03:57 -0700 Message-Id: <20190828190456.30315-11-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190828190456.30315-1-richard.henderson@linaro.org> References: <20190828190456.30315-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::544 Subject: [Qemu-devel] [PATCH v3 10/69] target/arm: Simplify op_smlaxxx for SMLAL* 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: peter.maydell@linaro.org, qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Since all of the inputs and outputs are i32, dispense with the intermediate promotion to i64 and use tcg_gen_add2_i32. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/translate.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) -- 2.17.1 diff --git a/target/arm/translate.c b/target/arm/translate.c index 58983ccf88..8813d40a2c 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -8151,8 +8151,7 @@ DO_QADDSUB(QDSUB, false, true) static bool op_smlaxxx(DisasContext *s, arg_rrrr *a, int add_long, bool nt, bool mt) { - TCGv_i32 t0, t1; - TCGv_i64 t64; + TCGv_i32 t0, t1, tl, th; if (s->thumb ? !arm_dc_feature(s, ARM_FEATURE_THUMB_DSP) @@ -8176,12 +8175,14 @@ static bool op_smlaxxx(DisasContext *s, arg_rrrr *a, store_reg(s, a->rd, t0); break; case 2: - t64 = tcg_temp_new_i64(); - tcg_gen_ext_i32_i64(t64, t0); + tl = load_reg(s, a->ra); + th = load_reg(s, a->rd); + t1 = tcg_const_i32(0); + tcg_gen_add2_i32(tl, th, tl, th, t0, t1); tcg_temp_free_i32(t0); - gen_addq(s, t64, a->ra, a->rd); - gen_storeq_reg(s, a->ra, a->rd, t64); - tcg_temp_free_i64(t64); + tcg_temp_free_i32(t1); + store_reg(s, a->ra, tl); + store_reg(s, a->rd, th); break; default: g_assert_not_reached();