From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sun, 9 Aug 2020 09:57:58 +0000 (+0100)
Subject: compalu combinatorial loop detected
X-Git-Tag: semi_working_ecp5~420
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=bf68cc02aa2dcbb99d40208c125b9969fa972d1a;p=soc.git

compalu combinatorial loop detected
---

diff --git a/src/soc/experiment/compalu_multi.py b/src/soc/experiment/compalu_multi.py
index 595e551f..514dc3fa 100644
--- a/src/soc/experiment/compalu_multi.py
+++ b/src/soc/experiment/compalu_multi.py
@@ -253,7 +253,7 @@ class MultiCompUnit(RegSpecALUAPI, Elaboratable):
 
         # dest operand latch (not using issue_i)
         m.d.comb += req_l.s.eq(alu_pulsem & self.wrmask)
-        m.d.comb += req_l.r.eq(reset_w | prev_wr_go)
+        m.d.sync += req_l.r.eq(reset_w | prev_wr_go)
 
         # create a latch/register for the operand
         oper_r = self.opsubsetkls(name="oper_r")