From 13894527f522caab4ec74334191ef29af975e521 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Wed, 19 Jul 2017 11:49:42 +0100 Subject: [PATCH] fpu/softfloat: improve comments on ARM NaN propagation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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)