From a4750a653a71017c4169fe0064bae6a700e6a463 Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Mon, 4 Mar 2019 02:34:35 +0000
Subject: [PATCH] remove chain dependence, calculate ediffs in parallel with
comparisons
---
src/add/nmigen_add_experiment.py | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/add/nmigen_add_experiment.py b/src/add/nmigen_add_experiment.py
index 997c2120..ee595969 100644
--- a/src/add/nmigen_add_experiment.py
+++ b/src/add/nmigen_add_experiment.py
@@ -377,8 +377,8 @@ class FPAddAlignSingleMod:
m.d.comb += ediff.eq(self.in_a.e - self.in_b.e)
m.d.comb += ediffr.eq(self.in_b.e - self.in_a.e)
- m.d.comb += elz.eq(ediff < 0)
- m.d.comb += egz.eq(ediff > 0)
+ m.d.comb += elz.eq(self.in_a.e < self.in_b.e)
+ m.d.comb += egz.eq(self.in_a.e > self.in_b.e)
# default: A-exp == B-exp, A and B untouched (fall through)
m.d.comb += self.out_a.copy(self.in_a)
--
2.30.2