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8031320: Use Intel RTM instructions for locks

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Use RTM for inflated locks and stack locks.

Reviewed-by: iveresov, twisti, roland, dcubed
This commit is contained in:
Vladimir Kozlov 2014-03-20 17:49:27 -07:00
parent 315e4838e9
commit 97a51c5c2a
46 changed files with 1251 additions and 87 deletions
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12
hotspot/src/share/vm/ci/ciMethodData.hpp
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@ -478,6 +478,18 @@ public:
int invocation_count() { return _invocation_counter; }
int backedge_count() { return _backedge_counter; }
#if INCLUDE_RTM_OPT
// return cached value
int rtm_state() {
if (is_empty()) {
return NoRTM;
} else {
return get_MethodData()->rtm_state();
}
}
#endif
// Transfer information about the method to MethodData*.
// would_profile means we would like to profile this method,
// meaning it's not trivial.