From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sat, 9 May 2020 13:56:16 +0000 (+0100)
Subject: pass through sticky-overflow
X-Git-Tag: div_pipeline~1319
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=aeed9406d87161588d8be15b52a27456b32fe542;p=soc.git

pass through sticky-overflow
---

diff --git a/src/soc/alu/input_stage.py b/src/soc/alu/input_stage.py
index e962692b..ed86a5bf 100644
--- a/src/soc/alu/input_stage.py
+++ b/src/soc/alu/input_stage.py
@@ -54,8 +54,9 @@ class ALUInputStage(PipeModBase):
             with m.Case(CryIn.CA):
                 comb += self.o.carry_in.eq(self.i.carry_in)
 
-        ##### context #####
+        ##### sticky overflow and context (both pass-through) #####
 
+        comb += self.o.so.eq(self.i.so)
         comb += self.o.ctx.eq(self.i.ctx)
 
         return m