From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55687) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eeKrq-0003LR-Ag for qemu-devel@nongnu.org; Wed, 24 Jan 2018 08:13:31 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eeKrp-0003s9-5d for qemu-devel@nongnu.org; Wed, 24 Jan 2018 08:13:30 -0500 Received: from mail-wr0-x242.google.com ([2a00:1450:400c:c0c::242]:39290) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1eeKro-0003rM-VF for qemu-devel@nongnu.org; Wed, 24 Jan 2018 08:13:29 -0500 Received: by mail-wr0-x242.google.com with SMTP id z48so3975381wrz.6 for ; Wed, 24 Jan 2018 05:13:28 -0800 (PST) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Wed, 24 Jan 2018 13:13:02 +0000 Message-Id: <20180124131315.30567-10-alex.bennee@linaro.org> In-Reply-To: <20180124131315.30567-1-alex.bennee@linaro.org> References: <20180124131315.30567-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v3 09/22] fpu/softfloat: improve comments on ARM NaN propagation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: richard.henderson@linaro.org, peter.maydell@linaro.org, laurent@vivier.eu, bharata@linux.vnet.ibm.com, andrew@andrewdutcher.com Cc: qemu-devel@nongnu.org, =?UTF-8?q?Alex=20Benn=C3=A9e?= , Aurelien Jarno Mention the pseudo-code fragment from which this is based. Signed-off-by: Alex Bennée Reviewed-by: Richard Henderson --- fpu/softfloat-specialize.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h index de2c5d5702..4be0fb21ba 100644 --- a/fpu/softfloat-specialize.h +++ b/fpu/softfloat-specialize.h @@ -445,9 +445,10 @@ static float32 commonNaNToFloat32(commonNaNT a, float_status *status) #if defined(TARGET_ARM) static int pickNaN(flag aIsQNaN, flag aIsSNaN, flag bIsQNaN, flag bIsSNaN, - flag aIsLargerSignificand) + flag aIsLargerSignificand) { - /* ARM mandated NaN propagation rules: take the first of: + /* ARM mandated NaN propagation rules (see FPProcessNaNs()), take + * the first of: * 1. A if it is signaling * 2. B if it is signaling * 3. A (quiet) -- 2.15.1