X-Git-Url: https://git.libre-soc.org/?p=ieee754fpu.git;a=blobdiff_plain;f=src%2Fieee754%2Ffpmul%2Fspecialcases.py;h=92dd75afc17a1869d551d8dd97753ce66397f02e;hp=fec43fabeae7351a224528d6848f3ad32e0827f6;hb=3aa58942733c4ed7a0942eee7fb6ba62e0c9f2f9;hpb=f1d699b400971147ed1cc9cdd3a69b9b533ea298

diff --git a/src/ieee754/fpmul/specialcases.py b/src/ieee754/fpmul/specialcases.py
index fec43fab..92dd75af 100644
--- a/src/ieee754/fpmul/specialcases.py
+++ b/src/ieee754/fpmul/specialcases.py
@@ -73,6 +73,9 @@ class FPMulSpecialCasesMod:
         sabx = Signal(reset_less=True)   # sign a xor b (sabx, get it?)
         m.d.comb += sabx.eq(a1.s ^ b1.s)
 
+        abnan = Signal(reset_less=True)
+        m.d.comb += abnan.eq(a1.is_nan | b1.is_nan)
+
         # if a is NaN or b is NaN return NaN
         with m.If(abnan):
             m.d.comb += self.o.out_do_z.eq(1)