From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sat, 15 Feb 2020 12:47:09 +0000 (+0000)
Subject: store partial result in signal otherwise it gets duplicated
X-Git-Tag: ls180-24jan2020~162
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4e792694d2bde21a186601cb502beb0476c93e9d;p=ieee754fpu.git

store partial result in signal otherwise it gets duplicated
---

diff --git a/src/ieee754/part_shift/part_shift_dynamic.py b/src/ieee754/part_shift/part_shift_dynamic.py
index aebcef51..1aedbf8d 100644
--- a/src/ieee754/part_shift/part_shift_dynamic.py
+++ b/src/ieee754/part_shift/part_shift_dynamic.py
@@ -97,7 +97,9 @@ class PartitionedDynamicShift(Elaboratable):
         # those partial results to calculate a0, a1, a2, and a3
         element = b_intervals[0] & shifter_masks[0]
         partial_results = []
-        partial_results.append(a_intervals[0] << element)
+        partial = Signal(width, name="partial0", reset_less=True)
+        comb += partial.eq(a_intervals[0] << element)
+        partial_results.append(partial)
         for i in range(1, len(keys)):
             reswid = width - intervals[i][0]
             shiftbits = math.ceil(math.log2(reswid+1))+1 # hmmm...