src/share/vm/opto/machnode.hpp

rev 2647 : 7077312: Provide a CALL effect for instruct declaration in the ad file
Summary: abstracted way to declare that the MachNode has the effect of a call (kills caller save registers, preserves callee save registers)
Reviewed-by:

@@ -188,10 +188,13 @@
   bool may_be_short_branch() const { return (flags() & Flag_may_be_short_branch) != 0; }
 
   // Avoid back to back some instructions on some CPUs.
   bool avoid_back_to_back() const { return (flags() & Flag_avoid_back_to_back) != 0; }
 
+  // instruction implemented with a call
+  bool has_call() const { return (flags() & Flag_has_call) != 0; }
+
   // First index in _in[] corresponding to operand, or -1 if there is none
   int  operand_index(uint operand) const;
 
   // Register class input is expected in
   virtual const RegMask &in_RegMask(uint) const;