From patchwork Mon Feb 17 12:50:52 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 865927 Delivered-To: patch@linaro.org Received: by 2002:a5d:64e6:0:b0:38f:210b:807b with SMTP id g6csp1069149wri; Mon, 17 Feb 2025 04:53:03 -0800 (PST) X-Forwarded-Encrypted: i=2; AJvYcCW0lQYIkPVENoEJ9oUsJIscFzS1r3qoNdxWGlQcvXlCSKKCT4Y1gswQt+G5fzRS4C6RvTqm8Q==@linaro.org X-Google-Smtp-Source: AGHT+IGJOn75EW6WNcMOsqFJG2wss6fK71TC7C2H1Gj67//OBpZvoq7xtcdZGBWnh/F15ez+B1PW X-Received: by 2002:ad4:5ae3:0:b0:6d8:9960:b063 with SMTP id 6a1803df08f44-6e66ccbbe9amr158575546d6.14.1739796783261; Mon, 17 Feb 2025 04:53:03 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1739796783; cv=none; d=google.com; s=arc-20240605; b=HbnyX/oWffiBzX7Kkn6tY43nQJXSzbfUuBZuTvcAuhbEbX0A8JqM6Ub9WGBSHqV16C wLecwiJr7ogVp6kCGM+aImGXaiGjt911zJsArM5on3QsdHNP5wAXYsznw8MDGraa522p 3YHUWS2UygS6jobPFEOSZD7PB2Stxrtbilg0by35AVbcu0Ux+lomR5vKn2bNFQCj7UXY A8QFT1MBgWkWWrO2is18m4GmGoVYO3AM9edJw0u/53WZlqpo5hQdvyPcAQQYh5xuf8ex r+Q09pRVSdvqGHvSmXDq1XgWIeHQc1VLOBFX7D/pc9RlkqBjitzitzV1j6uOEy6bLnFh WJpA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; 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:cc:to :from:dkim-signature; bh=y6pbiMjKPNJA8EY4vkWYZrebB7w+9UsObWGKtAK8Oy4=; fh=sX8zUUORJuGQY9ekiqVytwsRQCpKiqNE9LyGNVxaIX0=; b=bs5CSF0iZ+z7+n2UT4n6Almgs1mYjAtpmhIohNc53/h0Q5oMSWBXJ8dWzzsB99+RYs 2XH91e5P6sU9LiH4uIGvuji7e5i1lmTMtftuCUjkAxbG6PK6DfFRuFqd5kttm2dkrr/v LCjk0Hk+1uW1HVDi+MIL9l1RfbS0JiCuilJWa/Eg80J2Gj1p0ifHqzVw8MLz7FYjZ3iu FcAPvdHsU6gMybB80+6RVDNZqN3iVpEGkNRZZoUCg+6z6u8DlecRDrzOIjB0qtLuxQbN iZTUJ6AdIrv1QoTw1/qy4a+/N9JC7ecZXi8B+8b7/GVzPcgdzdLy20qQ4zQOsrj4g/VC M8VA==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=m7ZtQflq; 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; dara=neutral header.i=@linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id 6a1803df08f44-6e65d7431c8si89282186d6.155.2025.02.17.04.53.03 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Mon, 17 Feb 2025 04:53:03 -0800 (PST) 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=m7ZtQflq; 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; dara=neutral header.i=@linaro.org Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tk0b8-0001jR-Ky; Mon, 17 Feb 2025 07:51:42 -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 1tk0ae-0001cb-KF for qemu-devel@nongnu.org; Mon, 17 Feb 2025 07:51:16 -0500 Received: from mail-wm1-x32e.google.com ([2a00:1450:4864:20::32e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tk0aa-0002GH-M8 for qemu-devel@nongnu.org; Mon, 17 Feb 2025 07:51:11 -0500 Received: by mail-wm1-x32e.google.com with SMTP id 5b1f17b1804b1-43971025798so10034155e9.1 for ; Mon, 17 Feb 2025 04:51:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1739796665; x=1740401465; 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=y6pbiMjKPNJA8EY4vkWYZrebB7w+9UsObWGKtAK8Oy4=; b=m7ZtQflq7BQOsUxROjKdyeXwZaeP2a9dxZmK8qXnWXd88zZPHhrvGSlH9KuxdJKw+x EYfgacfo6ZBphJovHZkQNwCNtyqYUM73uVclC4/ilw+YH2IpsV095NJ+muTVMCZtVYnD y+pQVCsY0vLc3TFgywbdb7x1XMJCTXIMXNblXQHkA/wgB+llXSFMMRMyb1bZ/NChBDjD X6lvZuXXApw+6fhf/LY6VXnmPcWnZOQmgC5pUPrbwCo9voxfifFGB91T50ba66qp9ja9 uL5B9ts01mE/Lm94+hC4iLWO5DZOkHja8GxTW6C5b1qQSVa8DaYgl2A9L3h8/D+6Rq3h 0wPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1739796665; x=1740401465; 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=y6pbiMjKPNJA8EY4vkWYZrebB7w+9UsObWGKtAK8Oy4=; b=Py35JLVsOwea1FZbGN8cFZ2ANld8RVvPeJy9uspx4nlD4ElX8lglo9spPMEuVAiaAe TxvnxrLAdXNYxMMzlewZ7dd0bLJ1OFOTwmB6tbrtDI9HnacoUivsHbOADzMmZluDA+zz U7d4kHDNg8U/eoKcjK+voAd9WYlYJRUzgPo15dtH3GLyeOiNwO79YiJ2QNZfBJWhW9Kt m7UmXyOzLVT/aGf6AiXwHNrYcekd/1upae75t0S3WROJIBQFySk/3EKggT3BC1zQSv2P 0LUMvc9ustrnVRCefKHE4ZldOrIcCOZDWCkqzvP43KqE8eHB9loYG2OyjKx0q/WG7LNl 52xQ== X-Gm-Message-State: AOJu0YxNQmJmXC8s+yMkGXumm05S+6EOtlzxm5sDB2NpSMb2As5a4Mjd X2evbmNjtth94PQzYYLfQ0RUzudDgKCJ+DX6qArEbnwzdo9riL8oA+/32TshpB6Ix4u0VxvXDZA g X-Gm-Gg: ASbGncuLqLzrhbUc9KtlRZRUGm9LQ/iviYrMEkJRadmA4FZaLfuxziSc6Q+vyyQzVyc ITfuQCBGI2vzUGrHpFRnJFrUT4J1uo0G6pJWsfy+mnUi+qoEJWd1KBbfAu7A7UhuJqIWa0L5Sk2 4b19+S86iDZNMD//qH94f0p7gGHFZBO0ShZn00NKLOzIQ4BYa1YEYwS/fW+VAmrtyWrdOomoqXu ggHl9XLBKqIc06ZEJvCVrISwKeFaruTOc/MtaeWdI8Dsb2kijKq5eBk0SdP+wrvoxCuyuagVPDY iO633/GKHVCVMKU+0wJJfg== X-Received: by 2002:a05:600c:3ba5:b0:439:3e90:c535 with SMTP id 5b1f17b1804b1-4396e5bbc42mr100989695e9.0.1739796664819; Mon, 17 Feb 2025 04:51:04 -0800 (PST) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4398e84efb9sm3562455e9.10.2025.02.17.04.51.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Feb 2025 04:51:04 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Cc: =?utf-8?q?Alex_Benn=C3=A9e?= , Richard Henderson , Paolo Bonzini , Eduardo Habkost , Laurent Vivier Subject: [PATCH 07/10] fpu: Always decide no_signaling_nans() at runtime Date: Mon, 17 Feb 2025 12:50:52 +0000 Message-ID: <20250217125055.160887-8-peter.maydell@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250217125055.160887-1-peter.maydell@linaro.org> References: <20250217125055.160887-1-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: 2.1.29 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-bounces+patch=linaro.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 --- 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.