Core: Make sure CX86RecompilerOps::SPECIAL_AND can not write to R0

2024-10-17 18:42:45 +10:30 · 2024-10-17 18:42:45 +10:30 · c39582b9ed
parent a38467cc19
commit c39582b9ed
1 changed files with 4 additions and 0 deletions
--- a/Source/Project64-core/N64System/Recompiler/x86/x86RecompilerOps.cpp
+++ b/Source/Project64-core/N64System/Recompiler/x86/x86RecompilerOps.cpp
@ -5470,6 +5470,10 @@ void CX86RecompilerOps::SPECIAL_SUBU()

 void CX86RecompilerOps::SPECIAL_AND()
 {
+    if (m_Opcode.rd == 0)
+    {
+        return;
+    }
    if (m_RegWorkingSet.IsKnown(m_Opcode.rt) && m_RegWorkingSet.IsKnown(m_Opcode.rs))
    {
        if (m_RegWorkingSet.IsConst(m_Opcode.rt) && m_RegWorkingSet.IsConst(m_Opcode.rs))