From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Thu, 9 Jul 2020 19:44:34 +0000 (+0100)
Subject: whoops test gets copied 4 times on the If.
X-Git-Tag: div_pipeline~125
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=705cbd9d1a435281e3a239f20027deda47421b6b;p=soc.git

whoops test gets copied 4 times on the If.
create intermediate signal
---

diff --git a/src/soc/fu/alu/output_stage.py b/src/soc/fu/alu/output_stage.py
index 3ea71b56..0080ca54 100644
--- a/src/soc/fu/alu/output_stage.py
+++ b/src/soc/fu/alu/output_stage.py
@@ -28,7 +28,9 @@ class ALUOutputStage(CommonOutputStage):
         # copy overflow and sticky-overflow.  indicate to CompALU if they
         # are actually required (oe enabled/set) otherwise the CompALU
         # can (will) ignore them.
-        with m.If(op.oe.oe & op.oe.oe_ok):
+        oe = Signal(reset_less=True)
+        comb += oe.eq(op.oe.oe & op.oe.oe_ok)
+        with m.If(oe):
             comb += self.o.xer_so.data.eq(self.so)
             comb += self.o.xer_so.ok.eq(1)
             comb += self.o.xer_ov.data.eq(xer_ov_i)