From ebe1ca4d98294254335d17a7502597b38be5be5e Mon Sep 17 00:00:00 2001
From: Andrew Waterman <andrew@sifive.com>
Date: Thu, 1 Nov 2018 15:03:19 -0700
Subject: Clarify that FP loads/stores don't mutate NaN payloads

---
 src/f.tex | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/f.tex')

diff --git a/src/f.tex b/src/f.tex
index 4462164..0f54cc0 100644
--- a/src/f.tex
+++ b/src/f.tex
@@ -363,6 +363,9 @@ offset[11:5] & src & base & W & offset[4:0] & STORE-FP \\
 FLW and FSW are only guaranteed to execute atomically if the effective address
 is naturally aligned.
 
+FLW and FSW do not modify the bits being transferred; in particular, the
+payloads of non-canonical NaNs are preserved.
+
 \section{Single-Precision Floating-Point Computational Instructions}
 \label{sec:single-float-compute}
 
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