From patchwork Sat May 8 01:46:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 1475712 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=oO/gx93z; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4FcVkr5Z5pz9sX1 for ; Sat, 8 May 2021 11:55:16 +1000 (AEST) Received: from localhost ([::1]:60634 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lfCBW-0007Qf-P6 for incoming@patchwork.ozlabs.org; Fri, 07 May 2021 21:55:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40564) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lfC4k-00048Y-Lz for qemu-devel@nongnu.org; Fri, 07 May 2021 21:48:14 -0400 Received: from mail-pg1-x531.google.com ([2607:f8b0:4864:20::531]:39454) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1lfC4h-0003Y6-CQ for qemu-devel@nongnu.org; Fri, 07 May 2021 21:48:14 -0400 Received: by mail-pg1-x531.google.com with SMTP id s22so8628767pgk.6 for ; Fri, 07 May 2021 18:48:10 -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=ZKeNDHnMG1Vsy9FW47wdnzGiSOuMJBBVUnKRaVqfH0g=; b=oO/gx93zWnMzhrE1cdfAndYhjl8nz8nrizqkANgfOfpf2lx6E5OtgHHRzXaKX/YSqH fep+9IzrgiW4e+b9N7oDzxy/+XcYtAaAuFsDceUFL9o4po00+fvc4u7VX8nOnO4BFdkr jU2BgeMVW6ere6EkP0KB90wvehZ6/mdchGidUcDoc3ng6Ac83vHoh5/X0HrSoCl6WN3W rchcF4BdGEF8dqqsoKI+E06Yd78S0aZ0ZYIxJ8flqjxClVkqSRmoPgYZuOQX44kYwU6B Rm8zEuAWeuxHHW810Xu1x1+dknF5DbcHVDYtaIPocebUoqBxKA6JWaGCU9g47hWZwFIG STtQ== 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=ZKeNDHnMG1Vsy9FW47wdnzGiSOuMJBBVUnKRaVqfH0g=; b=Wq3U3wZSE4lxQhU5gtVadPnwzVH5K2t6fiBhjYcXpcih0/vlzZT59Q1sXXwETry23y Jz6qkSikrznGzkEwc3U/Lv/X9nxriTKzyZEO+d5eQ759uZFvPsFGf9J2Qs+aZvk7KYa6 4KSnCSTunuNfms1dBq+mrOXRMto8+W6NDXLPWpukRN8ogPDS6G9w+nWlHx/XEnPwwgCE OOf9ZaZJw9ZjJ7HPHUTdBI04PYxjnzu9cqvFiXDUW8SgVQaS78IPQTzxXLfamONPaZaS rlS6nxnWe7iZJmOR/bipfwwsLZD9+1Kr4m/ons74Bf3WYisYU2YXCEgYuZBiktYM95hA heVg== X-Gm-Message-State: AOAM533deju43w3wQ+6CUWG2y1xTFeNLAXcsSGRSFQ6WJragR8m+zs7I i5raAX1507U5rP9orMgYAivQqsImvjtFeQ== X-Google-Smtp-Source: ABdhPJz+tyrXqik2vyt+V81dUscbY5eHS2R/uXVWcWSbgd4n+LWxUZamTvhs+ZFFkXWqqZ4EAohc6w== X-Received: by 2002:a05:6a00:168d:b029:23f:376d:a2f8 with SMTP id k13-20020a056a00168db029023f376da2f8mr13455495pfc.20.1620438489723; Fri, 07 May 2021 18:48:09 -0700 (PDT) Received: from localhost.localdomain ([71.212.144.24]) by smtp.gmail.com with ESMTPSA id t4sm5819681pfq.165.2021.05.07.18.48.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 May 2021 18:48:09 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 09/72] softfloat: Tidy a * b + inf return Date: Fri, 7 May 2021 18:46:59 -0700 Message-Id: <20210508014802.892561-10-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210508014802.892561-1-richard.henderson@linaro.org> References: <20210508014802.892561-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::531; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x531.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: alex.bennee@linaro.org, =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , david@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" No reason to set values in 'a', when we already have float_class_inf in 'c', and can flip that sign. Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Alex Bennée Reviewed-by: David Hildenbrand Signed-off-by: Richard Henderson --- fpu/softfloat.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/fpu/softfloat.c b/fpu/softfloat.c index 93fe785809..ee4b5073b6 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -1384,9 +1384,8 @@ static FloatParts muladd_floats(FloatParts a, FloatParts b, FloatParts c, float_raise(float_flag_invalid, s); return parts_default_nan(s); } else { - a.cls = float_class_inf; - a.sign = c.sign ^ sign_flip; - return a; + c.sign ^= sign_flip; + return c; } }