fix bug I noticed while reading git history

diff --git a/src/openpower/decoder/isa/poly1305-donna.py b/src/openpower/decoder/isa/poly1305-donna.py
index 9ff95335287200755846f52f577ce60dbae747be..5bbbf10881169f3ecd48061c8e6b75ecd0d06f37 100644 (file)
--- a/src/openpower/decoder/isa/poly1305-donna.py
+++ b/src/openpower/decoder/isa/poly1305-donna.py
@@ -28,7 +28,7 @@ def dsrd(lo, hi, sh):
     mask = ~((2 ** 64 - 1) >> sh)
     v |= (hi & mask) << 64
     hi = (v >> 64) % (2 ** 64)
-    lo == v % (2 ** 64)
+    lo = v % (2 ** 64)
     return lo, hi