diff --git a/compiler/utils/x86/assembler_x86.cc b/compiler/utils/x86/assembler_x86.cc
index f1a9915..f2ef41f 100644
--- a/compiler/utils/x86/assembler_x86.cc
+++ b/compiler/utils/x86/assembler_x86.cc
@@ -1148,6 +1148,23 @@
 }
 
 
+void X86Assembler::testb(const Address& dst, const Immediate& imm) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0xF6);
+  EmitOperand(EAX, dst);
+  CHECK(imm.is_int8());
+  EmitUint8(imm.value() & 0xFF);
+}
+
+
+void X86Assembler::testl(const Address& dst, const Immediate& imm) {
+  AssemblerBuffer::EnsureCapacity ensured(&buffer_);
+  EmitUint8(0xF7);
+  EmitOperand(0, dst);
+  EmitImmediate(imm);
+}
+
+
 void X86Assembler::andl(Register dst, Register src) {
   AssemblerBuffer::EnsureCapacity ensured(&buffer_);
   EmitUint8(0x23);