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Type: Bug
Resolution: Fixed
Priority: P2
Fix Version/s: 9
Affects Version/s: 8u40, 9
Component/s: hotspot
Labels:
- 7-na

Subcomponent:
compiler
Introduced In Version:

8u20
Resolved In Build:
b42
CPU:

x86
Verification:
Verified

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8083519	emb-9	Martin Doerr	P2	Resolved	Fixed	team
JDK-8066326	8u45	Martin Doerr	P2	Resolved	Fixed	b01
JDK-8064839	8u40	Martin Doerr	P2	Closed	Fixed	b16
JDK-8070892	emb-8u47	Martin Doerr	P2	Resolved	Fixed	team

MacroAssembler::fast_lock uses biased_locking_enter with swap_reg_contains_mark==true, which is no longer correct after biased_locking_enter was put in front of check for IsInflated.
This happened in 8033805: Move Fast_Lock Fast_Unlock code from .ad files to macroassembler.

backported by

JDK-8066326 Bug in locking code when UseOptoBiasInlining is disabled: assert(dmw->is_neutral()) failed: invariant

Resolved

JDK-8070892 Bug in locking code when UseOptoBiasInlining is disabled: assert(dmw->is_neutral()) failed: invariant

Resolved

JDK-8083519 Bug in locking code when UseOptoBiasInlining is disabled: assert(dmw->is_neutral()) failed: invariant

Resolved

JDK-8064839 Bug in locking code when UseOptoBiasInlining is disabled: assert(dmw->is_neutral()) failed: invariant

Closed

relates to

JDK-8033805 Move Fast_Lock/Fast_Unlock code from .ad files to macroassembler

Resolved

JDK-8185927 create regression test for 8062950

Resolved

(1 relates to)

Assignee:: Martin Doerr
Reporter:: Goetz Lindenmaier
Votes:: 0 Vote for this issue
Watchers:: 3 Start watching this issue

Created:: 2014-11-05 07:21
Updated:: 2017-08-07 23:50
Resolved:: 2014-11-06 20:24

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