From: Dmitry Selyutin <ghostmansd@gmail.com>
Date: Sun, 14 Jan 2024 20:17:22 +0000 (+0300)
Subject: oppc/code: support GRP0
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=37a017bd68efb22515262b3e217c5d1f90b175ad;p=openpower-isa.git

oppc/code: support GRP0
---

diff --git a/src/openpower/oppc/pc_code.py b/src/openpower/oppc/pc_code.py
index 47aded9d..293a7d64 100644
--- a/src/openpower/oppc/pc_code.py
+++ b/src/openpower/oppc/pc_code.py
@@ -389,6 +389,19 @@ class CodeVisitor(pc_util.Visitor):
         with self.pseudocode(node=node):
             self[node].emit(stmt=f"&OPPC_GPR[OPPC_GPR_{str(node)}]")
 
+    @pc_util.Hook(pc_ast.GPRZero)
+    def GPRZero(self, node):
+        yield node
+        name = str(node)
+        test = pc_ast.Symbol(name)
+        body = pc_ast.Scope([pc_ast.GPR(name)])
+        orelse = pc_ast.Scope([Transient()])
+        ifexpr = pc_ast.IfExpr(test=test, body=body, orelse=orelse)
+        self.traverse(root=ifexpr)
+        self.fixup_ternary(node=ifexpr)
+        for (level, stmt) in self[ifexpr]:
+            self[node].emit(stmt=stmt, level=level)
+
     @pc_util.Hook(pc_ast.FPR)
     def FPR(self, node):
         yield node