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8167501: ARMv7 Linux C2 compiler crashes running jtreg harness on MP systems

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Reviewed-by: dcubed
This commit is contained in:
Bob Vandette 2016-11-03 10:44:17 -04:00
parent 4e3c345d78
commit 2ed31c7b3b
1 changed files with 4 additions and 2 deletions
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6
hotspot/src/share/vm/runtime/sharedRuntime.cpp
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@ -1983,8 +1983,10 @@ JRT_END
// Handles the uncommon case in locking, i.e., contention or an inflated lock.
JRT_BLOCK_ENTRY(void, SharedRuntime::complete_monitor_locking_C(oopDesc* _obj, BasicLock* lock, JavaThread* thread))
// Disable ObjectSynchronizer::quick_enter() in default config
// on AARCH64 until JDK-8153107 is resolved.
if (AARCH64_ONLY((SyncFlags & 256) != 0 &&) !SafepointSynchronize::is_synchronizing()) {
// on AARCH64 and ARM until JDK-8153107 is resolved.
if (ARM_ONLY((SyncFlags & 256) != 0 &&)
AARCH64_ONLY((SyncFlags & 256) != 0 &&)
!SafepointSynchronize::is_synchronizing()) {
// Only try quick_enter() if we're not trying to reach a safepoint
// so that the calling thread reaches the safepoint more quickly.
if (ObjectSynchronizer::quick_enter(_obj, thread, lock)) return;