src/share/vm/c1/c1_LIRAssembler.hpp

rev 10065 : 8147844: new method j.l.Runtime.onSpinWait() and the corresponding x86 hotspot instrinsic
Summary: adds c1 & c2 x86 intrinsics for j.l.Runtime.onSpinWait() that utilize the 'pause' instruction
Contributed-by: ikrylov, ygaevsky
Reviewed-by: iveresov, vlivanov, kvn

*** 249,258 ****
--- 249,259 ----
    void membar_release();
    void membar_loadload();
    void membar_storestore();
    void membar_loadstore();
    void membar_storeload();
+   void on_spin_wait();
    void get_thread(LIR_Opr result);
  
    void verify_oop_map(CodeEmitInfo* info);
  
    void atomic_op(LIR_Code code, LIR_Opr src, LIR_Opr data, LIR_Opr dest, LIR_Opr tmp);