From patchwork Mon Feb 24 11:15:21 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 13987826 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id EEB47C021A6 for ; Mon, 24 Feb 2025 11:18:39 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tmWRP-0005rF-Tv; Mon, 24 Feb 2025 06:16:03 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tmWR5-0005nj-EK for qemu-devel@nongnu.org; Mon, 24 Feb 2025 06:15:57 -0500 Received: from mail-wm1-x330.google.com ([2a00:1450:4864:20::330]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tmWR2-00019J-74 for qemu-devel@nongnu.org; Mon, 24 Feb 2025 06:15:41 -0500 Received: by mail-wm1-x330.google.com with SMTP id 5b1f17b1804b1-439350f1a0bso24833035e9.0 for ; Mon, 24 Feb 2025 03:15:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1740395737; x=1741000537; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=DTW+guxKto4jsRU3T6f5JGrwIUxjIeZwYhIwDRM/nu8=; b=K5Hi0qCFYPHAdtAcDE1CyPNiaWaTGOsspUfGckBcH3EPKW6lHJiOaE+WgXmaLOixL1 NwvUZKt9keWtwTzEjOsln/Ci4wyy4qaMm7C42EUfq7j3ms5MqS8h7kZ+4EPeN4aGturx 6Is70NOY2b3LkCRjyrCa+uhTK0+ragZp5/xTUADV37pTzsNIOG+n980wb9uv/dguQKeA 1i5Uh+gCfo+x/29/lqXwj+JmnrHZ8VjsDFe8YCnxFTnNQ+NP5wfxd7jxbVrAXgysvT3e O5yLyP7hbGyO+Ee56DbhR1d8YwYJHAnwWjrQHMMSS1xETnehwbgvnWFqcNZXy6NcVovt zcoQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1740395737; x=1741000537; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=DTW+guxKto4jsRU3T6f5JGrwIUxjIeZwYhIwDRM/nu8=; b=dtzU+cjHIUBTC7yeGpwTOybqk/J+nvxxkT4OYKpWVZT6uHoLOkA5v5dSVYdFb00A5g Rt+vRGj2EV6S6HaISVqiKSWuy+2SWcnlv/Gl4OaE+6o031khLIc6keTmknBkznkgmeic eFS7s1OzqcuJJR98ogYqVM7LlIwvRBY610+ZUVXdigVa5PgzjXiccvZAiJpqMy4m4ESS aRIpGscnoFTwrBWIJomrVRN/eLwD26AuRrQUp+T7kSEuIUdLi3IJNGVV5bg519zBiXas WCFaAy8Ft4oz3bvs351tT8R3UNrnHf/WzNhvp7MP82jP5BQgMUv5wxne6hlh1K7Iez8r oe2Q== X-Gm-Message-State: AOJu0YxNnBebY5OV3MYMj4CXUTLcaipl6taSgY/NfMgHTHu+A99kw7/y muemy6wKDZt/JirHmJ6F+maRTyMAjPtbIvXZq48MLQLlxEJ81tTSX8IBtGn2pi7MmYz3lI0UKbP x X-Gm-Gg: ASbGncubJoAsPtSLkeCpJG81nG3KzBzdxBGYtdzT2kUjOW76DMfX+uBrmycSmbNz5c8 lqe3vpZJUCg9bdYAXuBBXQQopt7huM2j2+KHJK6hPapJO3DfHfw55Y2AIYoG72GG0+B5HZWzKdE gnQmUv0SQYzSK9u9U5gNKPCL3uli3RxQw6e3wEJKUGc5GoiE3cNXMw94MMxXFpE/4U408Oqp/Sg pv4aet0UHz8GkCqFolFlwH08Ow0kD1hkPfpvXyJWAi+40JsGsVRvTiJI7P8/eeyp4/ZopSFwkBW Ufvl5/vTrd/PbMSJkrjgNZjFRIpl2bMf X-Google-Smtp-Source: AGHT+IG08KRwDYDl3Eca/M/8HaBNJFxvYjEOQHCH2Utkv4RtOym9hjubqe/nvBxLIy/wgdS7JacjWQ== X-Received: by 2002:a05:600c:1d0b:b0:439:98fd:a4b6 with SMTP id 5b1f17b1804b1-439ae33cb6bmr105188825e9.15.1740395737687; Mon, 24 Feb 2025 03:15:37 -0800 (PST) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-439b037214asm101447705e9.38.2025.02.24.03.15.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Feb 2025 03:15:36 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Cc: Richard Henderson , =?utf-8?q?Philippe_Mat?= =?utf-8?q?hieu-Daud=C3=A9?= Subject: [PATCH v2 09/12] fpu: Always decide no_signaling_nans() at runtime Date: Mon, 24 Feb 2025 11:15:21 +0000 Message-ID: <20250224111524.1101196-10-peter.maydell@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250224111524.1101196-1-peter.maydell@linaro.org> References: <20250224111524.1101196-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::330; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x330.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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Currently we have a compile-time shortcut where we return false from no_signaling_nans() on everything except Xtensa, because we know that's the only target that might ever set status->no_signaling_nans. Remove the ifdef, so we always look at the status flag; this has no behavioural change, but will be necessary if we want to build softfloat once for all targets. Signed-off-by: Peter Maydell Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Message-id: 20250217125055.160887-8-peter.maydell@linaro.org --- fpu/softfloat-specialize.c.inc | 4 ---- 1 file changed, 4 deletions(-) diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc index 8327f727861..a2c6afad5da 100644 --- a/fpu/softfloat-specialize.c.inc +++ b/fpu/softfloat-specialize.c.inc @@ -85,11 +85,7 @@ this code that are retained. */ static inline bool no_signaling_nans(float_status *status) { -#if defined(TARGET_XTENSA) return status->no_signaling_nans; -#else - return false; -#endif } /* Define how the architecture discriminates signaling NaNs.