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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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3
hotspot/src/share/vm/c1/c1_Runtime1.hpp
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@ -71,6 +71,7 @@ class StubAssembler;
stub(g1_post_barrier_slow) \
stub(fpu2long_stub) \
stub(counter_overflow) \
stub(predicate_failed_trap) \
last_entry(number_of_ids)
#define DECLARE_STUB_ID(x) x ## _id ,
@ -190,6 +191,8 @@ class Runtime1: public AllStatic {
static void oop_arraycopy(HeapWord* src, HeapWord* dst, int length);
static int is_instance_of(oopDesc* mirror, oopDesc* obj);
static void predicate_failed_trap(JavaThread* thread);
static void print_statistics() PRODUCT_RETURN;
};