From: Jacob Lifshay <programmerjake@gmail.com>
Date: Wed, 10 May 2023 02:16:37 +0000 (-0700)
Subject: add self.FPSCR
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c66b956126e5f1343046b6bbf62c178ff95aed63;p=openpower-isa.git

add self.FPSCR
---

diff --git a/src/openpower/decoder/helpers.py b/src/openpower/decoder/helpers.py
index 0bdd4f29..5f31b800 100644
--- a/src/openpower/decoder/helpers.py
+++ b/src/openpower/decoder/helpers.py
@@ -9,6 +9,7 @@ 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
@@ -848,6 +849,13 @@ 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 5e4382d2..22fcd8d0 100644
--- a/src/openpower/decoder/isa/caller.py
+++ b/src/openpower/decoder/isa/caller.py
@@ -1271,6 +1271,10 @@ 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.