From: Dmitry Selyutin <ghostmansd@gmail.com>
Date: Sun, 6 Nov 2022 09:29:55 +0000 (+0300)
Subject: power_insn: provide operands helpers
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7a156c3a0d2a1b10ebfd3e4469047396b52cbe19;p=openpower-isa.git

power_insn: provide operands helpers
---

diff --git a/src/openpower/decoder/power_insn.py b/src/openpower/decoder/power_insn.py
index 72aea8bd..cc5d0e5c 100644
--- a/src/openpower/decoder/power_insn.py
+++ b/src/openpower/decoder/power_insn.py
@@ -793,13 +793,18 @@ class Record:
     extra_idx_cr_in2 = property(lambda self: self.svp64.extra_idx_cr_in2)
     extra_idx_cr_out = property(lambda self: self.svp64.extra_idx_cr_out)
 
+    def __contains__(self, key):
+        return self.mdwn.operands.__contains__(key)
+
+    def __getitem__(self, key):
+        (cls, kwargs) = self.mdwn.operands.__getitem__(key)
+        return cls(record=self, **kwargs)
+
     @cached_property
     def Rc(self):
-        (cls, kwargs) = self.mdwn.operands["Rc"]
-        Rc = cls(record=self, **kwargs)
-        if Rc is None:
+        if "Rc" not in self:
             return False
-        return bool(Rc.value)
+        return bool(self["Rc"])
 
 
 @_dataclasses.dataclass(eq=True, frozen=True)