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8076112: Add @HotSpotIntrinsicCandidate annotation to indicate methods for which Java Runtime has intrinsics

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Annotate possibly intrinsified methods with @HotSpotIntrinsicCandidate. Add checks omitted by intrinsics to the library code. Add CheckIntrinsics flags to check consistency of intrinsics.

Reviewed-by: jrose, kvn, thartmann, vlivanov, abuckley, darcy, ascarpino, briangoetz, alanb, aph, dnsimon
This commit is contained in:
Zoltan Majo 2015-07-03 07:25:03 +02:00
parent 34616cd876
commit 9245cdc214
13 changed files with 191 additions and 44 deletions
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10
hotspot/src/share/vm/oops/method.hpp
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@ -82,7 +82,8 @@ class Method : public Metadata {
_dont_inline = 1 << 3,
_hidden = 1 << 4,
_has_injected_profile = 1 << 5,
_running_emcp = 1 << 6
_running_emcp = 1 << 6,
_intrinsic_candidate = 1 << 7
};
u1 _flags;
@ -815,6 +816,13 @@ class Method : public Metadata {
_flags = x ? (_flags | _hidden) : (_flags & ~_hidden);
}
bool intrinsic_candidate() {
return (_flags & _intrinsic_candidate) != 0;
}
void set_intrinsic_candidate(bool x) {
_flags = x ? (_flags | _intrinsic_candidate) : (_flags & ~_intrinsic_candidate);
}
bool has_injected_profile() {
return (_flags & _has_injected_profile) != 0;
}