From d16a7e67fc94218a93b6042817f52493e13afdd2 Mon Sep 17 00:00:00 2001
From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Tue, 23 Jul 2019 10:29:37 +0100
Subject: [PATCH] reduce n_comb_stages for fpdiv first setup

---
 src/ieee754/fpdiv/pipeline.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/ieee754/fpdiv/pipeline.py b/src/ieee754/fpdiv/pipeline.py
index 553af107..82a33e2c 100644
--- a/src/ieee754/fpdiv/pipeline.py
+++ b/src/ieee754/fpdiv/pipeline.py
@@ -87,15 +87,17 @@ class FPDIVBasePipe(ControlBase):
 
         # get number of stages, set up loop.
         n_stages = pspec.core_config.n_stages
-        n_comb_stages = self.pspec.n_comb_stages
+        max_n_comb_stages = self.pspec.n_comb_stages
         print ("n_stages", n_stages)
         stage_idx = 0
 
         end = False
         while not end:
 
+            n_comb_stages = max_n_comb_stages
             # needs to convert input from pipestart ospec
             if stage_idx == 0:
+                n_comb_stages -= 1
                 kls = FPDivStagesSetup # does n_comb_stages-1 calcs as well
 
             # needs to convert output to pipeend ispec
-- 
2.30.2