Mercurial > hg > truffle
diff src/share/vm/opto/runtime.cpp @ 17780:606acabe7b5c
8031320: Use Intel RTM instructions for locks
Summary: Use RTM for inflated locks and stack locks.
Reviewed-by: iveresov, twisti, roland, dcubed
author | kvn |
---|---|
date | Thu, 20 Mar 2014 17:49:27 -0700 |
parents | 04d32e7fad07 |
children | 62c54fcc0a35 |
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--- a/src/share/vm/opto/runtime.cpp Sat Mar 22 00:26:48 2014 +0400 +++ b/src/share/vm/opto/runtime.cpp Thu Mar 20 17:49:27 2014 -0700 @@ -1299,6 +1299,14 @@ tty->print_cr("%s", c->name()); blc->print_on(tty); } +#if INCLUDE_RTM_OPT + } else if (c->tag() == NamedCounter::RTMLockingCounter) { + RTMLockingCounters* rlc = ((RTMLockingNamedCounter*)c)->counters(); + if (rlc->nonzero()) { + tty->print_cr("%s", c->name()); + rlc->print_on(tty); + } +#endif } c = c->next(); } @@ -1338,6 +1346,8 @@ NamedCounter* c; if (tag == NamedCounter::BiasedLockingCounter) { c = new BiasedLockingNamedCounter(strdup(st.as_string())); + } else if (tag == NamedCounter::RTMLockingCounter) { + c = new RTMLockingNamedCounter(strdup(st.as_string())); } else { c = new NamedCounter(strdup(st.as_string()), tag); } @@ -1346,6 +1356,7 @@ // add counters so this is safe. NamedCounter* head; do { + c->set_next(NULL); head = _named_counters; c->set_next(head); } while (Atomic::cmpxchg_ptr(c, &_named_counters, head) != head);