1 files changed, 8 insertions, 0 deletions
diff --git a/JavaScriptCore/assembler/ARMv7Assembler.h b/JavaScriptCore/assembler/ARMv7Assembler.h
index 37b650b..a40208a 100644
--- a/JavaScriptCore/assembler/ARMv7Assembler.h
+++ b/JavaScriptCore/assembler/ARMv7Assembler.h
@@ -694,6 +694,7 @@ private:
         OP_LSR_reg_T2   = 0xFA20,
         OP_ASR_reg_T2   = 0xFA40,
         OP_ROR_reg_T2   = 0xFA60,
+        OP_CLZ          = 0xFAB0,
         OP_SMULL_T1     = 0xFB80,
     } OpcodeID1;
 
@@ -947,6 +948,13 @@ public:
         m_formatter.oneWordOp8Imm8(OP_BKPT, imm);
     }
 
+    void clz(RegisterID rd, RegisterID rm)
+    {
+        ASSERT(!BadReg(rd));
+        ASSERT(!BadReg(rm));
+        m_formatter.twoWordOp12Reg4FourFours(OP_CLZ, rm, FourFours(0xf, rd, 8, rm));
+    }
+
     void cmn(RegisterID rn, ARMThumbImmediate imm)
     {
         ASSERT(rn != ARMRegisters::pc);