1 files changed, 10 insertions, 0 deletions
diff --git a/compiler/utils/x86/assembler_x86.h b/compiler/utils/x86/assembler_x86.h
index 522d57a63d..2fe3b7bec5 100644
--- a/compiler/utils/x86/assembler_x86.h
+++ b/compiler/utils/x86/assembler_x86.h
@@ -795,6 +795,8 @@ class X86Assembler final : public Assembler {
   void rep_movsw();
 
   X86Assembler* lock();
+  void cmpxchgb(const Address& address, ByteRegister reg);
+  void cmpxchgw(const Address& address, Register reg);
   void cmpxchgl(const Address& address, Register reg);
   void cmpxchg8b(const Address& address);
 
@@ -812,6 +814,14 @@ class X86Assembler final : public Assembler {
   void LoadLongConstant(XmmRegister dst, int64_t value);
   void LoadDoubleConstant(XmmRegister dst, double value);
 
+  void LockCmpxchgb(const Address& address, ByteRegister reg) {
+    lock()->cmpxchgb(address, reg);
+  }
+
+  void LockCmpxchgw(const Address& address, Register reg) {
+    lock()->cmpxchgw(address, reg);
+  }
+
   void LockCmpxchgl(const Address& address, Register reg) {
     lock()->cmpxchgl(address, reg);
   }