From ba0ddffb14756c3fc87d51d1c78f71d4a09c7cb1 Mon Sep 17 00:00:00 2001
From: Jacob Lifshay <programmerjake@gmail.com>
Date: Tue, 13 Jun 2023 22:55:49 -0700
Subject: [PATCH] speed up StateSPRs.__init__

---
 src/openpower/test/state.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/openpower/test/state.py b/src/openpower/test/state.py
index 5d61c277..99b6a175 100644
--- a/src/openpower/test/state.py
+++ b/src/openpower/test/state.py
@@ -66,9 +66,13 @@ class StateRunner:
 
 class StateSPRs:
     KEYS = tuple(i for i in SPRfull if i != SPRfull.XER)
+    __EMPTY_VALUES = {k: 0 for k in KEYS}
 
     def __init__(self, values=None):
-        self.__values = {k: 0 for k in StateSPRs.KEYS}
+        if isinstance(values, StateSPRs):
+            self.__values = values.__values.copy()
+            return
+        self.__values = self.__EMPTY_VALUES.copy()
         if values is not None:
             for k, v in values.items():
                 self[k] = v
-- 
2.30.2