Clarify that FP loads/stores don't mutate NaN payloads

1 files changed, 3 insertions, 0 deletions

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}