diff --git a/JavaScriptCore/assembler/MacroAssemblerARM.h b/JavaScriptCore/assembler/MacroAssemblerARM.h
index bb1a6da..48ddf24 100644
--- a/JavaScriptCore/assembler/MacroAssemblerARM.h
+++ b/JavaScriptCore/assembler/MacroAssemblerARM.h
@@ -795,7 +795,7 @@
 
     void addDouble(FPRegisterID src, FPRegisterID dest)
     {
-        m_assembler.faddd_r(dest, dest, src);
+        m_assembler.vadd_f64_r(dest, dest, src);
     }
 
     void addDouble(Address src, FPRegisterID dest)
@@ -806,7 +806,7 @@
 
     void divDouble(FPRegisterID src, FPRegisterID dest)
     {
-        m_assembler.fdivd_r(dest, dest, src);
+        m_assembler.vdiv_f64_r(dest, dest, src);
     }
 
     void divDouble(Address src, FPRegisterID dest)
@@ -818,7 +818,7 @@
 
     void subDouble(FPRegisterID src, FPRegisterID dest)
     {
-        m_assembler.fsubd_r(dest, dest, src);
+        m_assembler.vsub_f64_r(dest, dest, src);
     }
 
     void subDouble(Address src, FPRegisterID dest)
@@ -829,7 +829,7 @@
 
     void mulDouble(FPRegisterID src, FPRegisterID dest)
     {
-        m_assembler.fmuld_r(dest, dest, src);
+        m_assembler.vmul_f64_r(dest, dest, src);
     }
 
     void mulDouble(Address src, FPRegisterID dest)
@@ -840,13 +840,13 @@
 
     void sqrtDouble(FPRegisterID src, FPRegisterID dest)
     {
-        m_assembler.fsqrtd_r(dest, src);
+        m_assembler.vsqrt_f64_r(dest, src);
     }
 
     void convertInt32ToDouble(RegisterID src, FPRegisterID dest)
     {
-        m_assembler.fmsr_r(dest, src);
-        m_assembler.fsitod_r(dest, dest);
+        m_assembler.vmov_vfp_r(dest << 1, src);
+        m_assembler.vcvt_f64_s32_r(dest, dest << 1);
     }
 
     void convertInt32ToDouble(Address src, FPRegisterID dest)
@@ -868,8 +868,8 @@
 
     Jump branchDouble(DoubleCondition cond, FPRegisterID left, FPRegisterID right)
     {
-        m_assembler.fcmpd_r(left, right);
-        m_assembler.fmstat();
+        m_assembler.vcmp_f64_r(left, right);
+        m_assembler.vmrs_apsr();
         if (cond & DoubleConditionBitSpecial)
             m_assembler.cmp_r(ARMRegisters::S0, ARMRegisters::S0, ARMAssembler::VS);
         return Jump(m_assembler.jmp(static_cast<ARMAssembler::Condition>(cond & ~DoubleConditionMask)));
@@ -893,11 +893,11 @@
     // (specifically, in this case, 0).
     void branchConvertDoubleToInt32(FPRegisterID src, RegisterID dest, JumpList& failureCases, FPRegisterID fpTemp)
     {
-        m_assembler.ftosid_r(ARMRegisters::SD0, src);
-        m_assembler.fmrs_r(dest, ARMRegisters::SD0);
+        m_assembler.vcvt_s32_f64_r(ARMRegisters::SD0 << 1, src);
+        m_assembler.vmov_arm_r(dest, ARMRegisters::SD0 << 1);
 
         // Convert the integer result back to float & compare to the original value - if not equal or unordered (NaN) then jump.
-        m_assembler.fsitod_r(ARMRegisters::SD0, ARMRegisters::SD0);
+        m_assembler.vcvt_f64_s32_r(ARMRegisters::SD0, ARMRegisters::SD0 << 1);
         failureCases.append(branchDouble(DoubleNotEqualOrUnordered, src, ARMRegisters::SD0));
 
         // If the result is zero, it might have been -0.0, and 0.0 equals to -0.0