From: Jacob Lifshay <programmerjake@gmail.com>
Date: Fri, 29 Apr 2022 06:05:08 +0000 (-0700)
Subject: add comment
X-Git-Url: https://git.libre-soc.org/?p=soc.git;a=commitdiff_plain;h=41ef74f3856b78158448d06d4ffc56623a09a2bb

add comment
---

diff --git a/src/soc/fu/div/experiment/goldschmidt_div_sqrt.py b/src/soc/fu/div/experiment/goldschmidt_div_sqrt.py
index 1f3f81a4..62a82706 100644
--- a/src/soc/fu/div/experiment/goldschmidt_div_sqrt.py
+++ b/src/soc/fu/div/experiment/goldschmidt_div_sqrt.py
@@ -1100,6 +1100,7 @@ class GoldschmidtDivOp(enum.Enum):
             d_times_f = Signal.like(state.d * state.f)
             m.d.comb += [
                 d_times_f.eq(state.d * state.f),
+                # round the multiplication up
                 d.eq((d_times_f >> params.expanded_width)
                      + (d_times_f[:params.expanded_width] != 0)),
             ]