From 7a34ff20acf34834c7878fecff574d844ba8a538 Mon Sep 17 00:00:00 2001
From: Jacob Lifshay <programmerjake@gmail.com>
Date: Tue, 9 May 2023 19:16:37 -0700
Subject: [PATCH] add self.FPSCR

---
 src/openpower/decoder/helpers.py    | 8 ++++++++
 src/openpower/decoder/isa/caller.py | 4 ++++
 2 files changed, 12 insertions(+)

diff --git a/src/openpower/decoder/helpers.py b/src/openpower/decoder/helpers.py
index 9211e5ab..2d030a69 100644
--- a/src/openpower/decoder/helpers.py
+++ b/src/openpower/decoder/helpers.py
@@ -8,6 +8,7 @@ from operator import floordiv, mod
 from openpower.decoder.selectable_int import selectltu as ltu
 from openpower.decoder.selectable_int import selectgtu as gtu
 from openpower.decoder.selectable_int import check_extsign
+from openpower.fpscr import FPSCRState
 
 from openpower.util import log
 import math
@@ -847,6 +848,13 @@ class ISACallerHelper:
     def XLEN(self):
         return self.__XLEN
 
+    @property
+    def FPSCR(self):
+        # fallback for when not used through ISACaller
+        # needed for tests that use DOUBLE2SINGLE without using ISACaller
+        self.__dict__["FPSCR"] = retval = FPSCRState()
+        return retval
+
     def EXTZXL(self, value, bits=None):
         if bits is None:
             bits = self.XLEN
diff --git a/src/openpower/decoder/isa/caller.py b/src/openpower/decoder/isa/caller.py
index a8f01ab4..b5fc8bc8 100644
--- a/src/openpower/decoder/isa/caller.py
+++ b/src/openpower/decoder/isa/caller.py
@@ -1270,6 +1270,10 @@ class ISACaller(ISACallerHelper, ISAFPHelpers, StepLoop):
     def XLEN(self):
         return self.namespace["XLEN"]
 
+    @property
+    def FPSCR(self):
+        return self.fpscr
+
     def call_trap(self, trap_addr, trap_bit):
         """calls TRAP and sets up NIA to the new execution location.
         next instruction will begin at trap_addr.
-- 
2.30.2