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

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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 044b28168e20
children abec000618bf a9becfeecd1b
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line diff
--- a/src/share/vm/opto/matcher.hpp	Tue Nov 26 18:38:19 2013 -0800
+++ b/src/share/vm/opto/matcher.hpp	Wed Nov 27 16:16:21 2013 -0800
@@ -485,6 +485,8 @@
   // retain the Node to act as a compiler ordering barrier.
   static bool post_store_load_barrier(const Node* mb);
 
+  // Does n lead to an uncommon trap that can cause deoptimization?
+  static bool branches_to_uncommon_trap(const Node *n);
 
 #ifdef ASSERT
   void dump_old2new_map();      // machine-independent to machine-dependent