From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Thu, 28 Mar 2019 14:45:55 +0000 (+0000)
Subject: create temporary, simplifies graph
X-Git-Tag: ls180-24jan2020~1423
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7d2f797b9bac9d0f30b6ad5a9df8745dd7851bd2;p=ieee754fpu.git

create temporary, simplifies graph
---

diff --git a/src/add/singlepipe.py b/src/add/singlepipe.py
index 28a3810c..ffd515f6 100644
--- a/src/add/singlepipe.py
+++ b/src/add/singlepipe.py
@@ -625,13 +625,17 @@ class UnbufferedPipeline(ControlBase):
         if hasattr(self.stage, "setup"):
             self.stage.setup(m, r_data)
 
+        # some temporarie
         p_i_valid = Signal(reset_less=True)
+        pv = Signal(reset_less=True)
         m.d.comb += p_i_valid.eq(self.p.i_valid_logic())
+        m.d.comb += pv.eq(self.p.i_valid & self.p.o_ready)
+
         m.d.comb += self.n.o_valid.eq(data_valid)
         m.d.comb += self.p.o_ready.eq(~data_valid | self.n.i_ready)
         m.d.sync += data_valid.eq(p_i_valid | \
                                         (~self.n.i_ready & data_valid))
-        with m.If(self.p.i_valid & self.p.o_ready):
+        with m.If(pv):
             m.d.sync += eq(r_data, self.p.i_data)
         m.d.comb += eq(self.n.o_data, self.stage.process(r_data))
         return m