From: Dmitry Selyutin <ghostmansd@gmail.com>
Date: Tue, 16 Jan 2024 19:09:45 +0000 (+0300)
Subject: oppc/code: support dynamic operands
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=838b76f1c640a1ff426adca9c139f1c188454153;p=openpower-isa.git

oppc/code: support dynamic operands
---

diff --git a/src/openpower/oppc/pc_code.py b/src/openpower/oppc/pc_code.py
index d490a85d..123d65b3 100644
--- a/src/openpower/oppc/pc_code.py
+++ b/src/openpower/oppc/pc_code.py
@@ -1,9 +1,11 @@
 import collections
 import contextlib
+import operator
 
 import openpower.oppc.pc_ast as pc_ast
 import openpower.oppc.pc_util as pc_util
 import openpower.oppc.pc_pseudocode as pc_pseudocode
+from openpower.insndb.core import DynamicOperand
 
 
 class Transient(pc_ast.Node):
@@ -47,21 +49,24 @@ class CodeVisitor(pc_util.Visitor):
 
         super().__init__(root=root)
 
-        for decl in self.__decls:
+        for decl in (operand.name for operand in insn.dynamic_operands):
+            if decl not in self.__decls:
+                self.__code[self.__header].emit(stmt=f"struct oppc_value {decl};")
+        for decl in sorted(self.__decls):
             self.__code[self.__header].emit(stmt=f"struct oppc_value {decl};")
-        decls = sorted(filter(lambda decl: decl in insn.fields, self.__decls))
-        if decls:
-            self.__code[self.__header].emit()
-        for decl in decls:
-            bits = f"{len(insn.fields[decl])}"
+        self.__code[self.__header].emit()
+
+        for operand in insn.dynamic_operands:
+            bits = f"{len(operand.span)}"
             transient = Transient(bits=bits)
-            symbol = pc_ast.Symbol(decl)
+            symbol = pc_ast.Symbol(operand.name)
             assign = pc_ast.AssignExpr(lvalue=symbol, rvalue=transient)
             self.traverse(root=assign)
             for (level, stmt) in self[assign]:
                 self[self.__header].emit(stmt=stmt, level=level)
-            for (lbit, rbit) in enumerate(insn.fields[decl]):
-                lsymbol = pc_ast.Symbol(decl)
+
+            for (lbit, rbit) in enumerate(operand.span):
+                lsymbol = pc_ast.Symbol(operand.name)
                 rsymbol = Instruction()
                 lindex = Transient(value=str(lbit))
                 rindex = Transient(value=str(rbit))
@@ -72,8 +77,6 @@ class CodeVisitor(pc_util.Visitor):
                 for (level, stmt) in self[assign]:
                     self[self.__header].emit(stmt=stmt, level=level)
             self.__code[self.__header].emit()
-        if decls:
-            self.__code[self.__header].emit()
 
     def __iter__(self):
         yield from self[self.__header]