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Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8282594	17.0.4	Martin Doerr	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-8282594 Intrinsify recursive ObjectMonitor locking for PPC64

clones

JDK-8277180 Intrinsify recursive ObjectMonitor locking for C2 x64 and A64

duplicates

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

relates to

JDK-8253064 monitor list simplifications and getting rid of TSM

JDK-8277431 riscv: Intrinsify recursive ObjectMonitor locking for C2

links to

Commit openjdk/jdk17u-dev/23b7f7e7

Commit openjdk/jdk/46c6c6f3

Commit openjdk/jdk/d93b238f

Review openjdk/jdk17u-dev/126

Review openjdk/jdk17u-dev/150

Review openjdk/jdk/6406

Review openjdk/jdk/7305

(7 links to)