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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
This commit is contained in:
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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4
hotspot/src/share/vm/c1/c1_LIRGenerator.hpp
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@ -412,6 +412,8 @@ class LIRGenerator: public InstructionVisitor, public BlockClosure {
case If::leq: l = lir_cond_lessEqual; break;
case If::geq: l = lir_cond_greaterEqual; break;
case If::gtr: l = lir_cond_greater; break;
case If::aeq: l = lir_cond_aboveEqual; break;
case If::beq: l = lir_cond_belowEqual; break;
};
return l;
}
@ -534,6 +536,8 @@ class LIRGenerator: public InstructionVisitor, public BlockClosure {
virtual void do_ProfileInvoke (ProfileInvoke* x);
virtual void do_RuntimeCall (RuntimeCall* x);
virtual void do_MemBar (MemBar* x);
virtual void do_RangeCheckPredicate(RangeCheckPredicate* x);
virtual void do_Assert (Assert* x);
};