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7153771: array bound check elimination for c1

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When possible optimize out array bound checks, inserting predicates when needed.

Reviewed-by: never, kvn, twisti
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Thomas Wuerthinger 2013-03-21 09:27:54 +01:00 • committed by Roland Westrelin
parent 2f4ecb86a2
commit 06ef4cddf7
40 changed files with 2861 additions and 153 deletions
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2
hotspot/src/share/vm/c1/c1_GraphBuilder.hpp
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@ -301,6 +301,8 @@ class GraphBuilder VALUE_OBJ_CLASS_SPEC {
ValueStack* copy_state_exhandling();
ValueStack* copy_state_for_exception_with_bci(int bci);
ValueStack* copy_state_for_exception();
ValueStack* copy_state_if_bb(bool is_bb) { return (is_bb || compilation()->is_optimistic()) ? copy_state_before() : NULL; }
ValueStack* copy_state_indexed_access() { return compilation()->is_optimistic() ? copy_state_before() : copy_state_for_exception(); }
//
// Inlining support