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Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8281303	17.0.4-oracle	Tobias Hartmann	P4	Resolved	Fixed	b01
JDK-8281227	17.0.3	Dmitry Chuyko	P4	Resolved	Fixed	b01

The C2 fast_lock and fast_unlock intrinsics don't support recursive ObjectMonitor locking. Some workload can significantly benefit from this.

backported by

JDK-8281227 Intrinsify recursive ObjectMonitor locking for C2 x64 and A64

JDK-8281303 Intrinsify recursive ObjectMonitor locking for C2 x64 and A64

duplicates

JDK-8263864 ~17% regression for DaCapo h2 after JDK-8253064

is cloned by

JDK-8281043 Intrinsify recursive ObjectMonitor locking for PPC64

JDK-8310513 [s390x] Intrinsify recursive ObjectMonitor locking

relates to

JDK-8253064 monitor list simplifications and getting rid of TSM

JDK-8277431 riscv: Intrinsify recursive ObjectMonitor locking for C2

JDK-8317575 AArch64: C2_MacroAssembler::fast_lock uses rscratch1 for cmpxchg result

links to

Commit openjdk/jdk17u-dev/dba064ae

Commit openjdk/jdk/d93b238f

Review openjdk/jdk17u-dev/126

Review openjdk/jdk/6406

(3 relates to, 4 links to)