read_buffering & write_buffering: get_trigger's accesswidth and regwidth should be taken from trigger when trigger is of RegNode type, not from node

Author: strike-aporat

src/peakrdl_regblock/read_buffering/__init__.py

@@ -37,8 +37,8 @@ def get_trigger(self, node: RegNode) -> str:
         if isinstance(trigger, RegNode):
             # Trigger is a register.
             # trigger when lowermost address of the register is written
-            regwidth = node.get_property('regwidth')
-            accesswidth = node.get_property('accesswidth')
+            regwidth = trigger.get_property('regwidth')
+            accesswidth = trigger.get_property('accesswidth')
             strb_prefix = self.exp.dereferencer.get_access_strobe(trigger, reduce_substrobes=False)
 
             if accesswidth < regwidth:

src/peakrdl_regblock/write_buffering/__init__.py

@@ -49,8 +49,8 @@ def get_raw_trigger(self, node: 'RegNode') -> Union[SVInt, str]:
         if isinstance(trigger, RegNode):
             # Trigger is a register.
             # trigger when uppermost address of the register is written
-            regwidth = node.get_property('regwidth')
-            accesswidth = node.get_property('accesswidth')
+            regwidth = trigger.get_property('regwidth')
+            accesswidth = trigger.get_property('accesswidth')
             strb_prefix = self.exp.dereferencer.get_access_strobe(trigger, reduce_substrobes=False)
 
             if accesswidth < regwidth: