diff src/share/vm/opto/machnode.hpp @ 14440:41b780b43b74

8029015: PPC64 (part 216): opto: trap based null and range checks Summary: On PPC64 use tdi instruction that does a compare and raises SIGTRAP for NULL and range checks. Reviewed-by: kvn
author goetz
date Wed, 27 Nov 2013 16:16:21 -0800
parents 15120a36272d
children 492e67693373
line wrap: on
line diff
--- a/src/share/vm/opto/machnode.hpp	Tue Nov 26 18:38:19 2013 -0800
+++ b/src/share/vm/opto/machnode.hpp	Wed Nov 27 16:16:21 2013 -0800
@@ -315,6 +315,9 @@
   static const Pipeline *pipeline_class();
   virtual const Pipeline *pipeline() const;
 
+  // Returns true if this node is a check that can be implemented with a trap.
+  virtual bool is_TrapBasedCheckNode() const { return false; }
+
 #ifndef PRODUCT
   virtual const char *Name() const = 0; // Machine-specific name
   virtual void dump_spec(outputStream *st) const; // Print per-node info