From 57b200d6cb3cdee94fb4813b9ced31edb7a19396 Mon Sep 17 00:00:00 2001
From: Paul Mackerras <paulus@ozlabs.org>
Date: Wed, 16 Oct 2019 07:56:15 +1100
Subject: [PATCH] writeback: Eliminate inferred latch

This initializes data_in to all zeroes so that it doesn't become a
set of 64 inferred latches.

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
---
 writeback.vhdl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/writeback.vhdl b/writeback.vhdl
index 1879a5e..042ad59 100644
--- a/writeback.vhdl
+++ b/writeback.vhdl
@@ -95,6 +95,7 @@ begin
         partial_write <= '0';
         sign_extend <= '0';
         second_word <= '0';
+        data_in <= (others => '0');
 
         if e_in.write_enable = '1' then
             w_out.write_reg <= e_in.write_reg;