diff --git a/compiler/utils/x86/assembler_x86.h b/compiler/utils/x86/assembler_x86.h
index 8aed934..6ea66a5 100644
--- a/compiler/utils/x86/assembler_x86.h
+++ b/compiler/utils/x86/assembler_x86.h
@@ -405,7 +405,8 @@
   void shrl(Register operand, Register shifter);
   void sarl(Register reg, const Immediate& imm);
   void sarl(Register operand, Register shifter);
-  void shld(Register dst, Register src);
+  void shld(Register dst, Register src, Register shifter);
+  void shrd(Register dst, Register src, Register shifter);
 
   void negl(Register reg);
   void notl(Register reg);