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comparison 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
comparison
equal deleted inserted replaced
14439:50fdb38839eb 14440:41b780b43b74
483 // Check for a following volatile memory barrier without an 483 // Check for a following volatile memory barrier without an
484 // intervening load and thus we don't need a barrier here. We 484 // intervening load and thus we don't need a barrier here. We
485 // retain the Node to act as a compiler ordering barrier. 485 // retain the Node to act as a compiler ordering barrier.
486 static bool post_store_load_barrier(const Node* mb); 486 static bool post_store_load_barrier(const Node* mb);
487 487
488 // Does n lead to an uncommon trap that can cause deoptimization?
489 static bool branches_to_uncommon_trap(const Node *n);
488 490
489 #ifdef ASSERT 491 #ifdef ASSERT
490 void dump_old2new_map(); // machine-independent to machine-dependent 492 void dump_old2new_map(); // machine-independent to machine-dependent
491 493
492 Node* find_old_node(Node* new_node) { 494 Node* find_old_node(Node* new_node) {