fpu/softfloat: improve comments on ARM NaN propagation
Mention the pseudo-code fragment from which this is based.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/fpu/softfloat-specialize.h b/fpu/softfloat-specialize.h
index de2c5d5..4be0fb2 100644
--- a/fpu/softfloat-specialize.h
+++ b/fpu/softfloat-specialize.h
@@ -445,9 +445,10 @@
#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)
