Bug ID: JDK-8286302 Port JEP 425 to PPC64

JDK-8286302 : Port JEP 425 to PPC64

Type: Enhancement
Component: hotspot
Sub-Component: runtime

Priority: P4
Status: Resolved
Resolution: Fixed

Submitted: 2022-05-06
Updated: 2023-01-02
Resolved: 2022-11-28

Versions (Unresolved/Resolved/Fixed)

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Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.

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JDK 20
20 b26Fixed

Related Reports

Blocks :	JDK-8289925 - Shared code shouldn't reference the platform specific method frame::interpreter_frame_last_sp()
Relates :	JDK-8299476 - PPC64 Zero build fails after JDK-8286302
Relates :	JDK-8298225 - [AIX] Disable PPC64LE continuations on AIX
Relates :	JDK-8290823 - PPC64: replaced frame::alignment_in_bytes with frame::frame_alignment
Relates :	JDK-8290965 - PPC64: Implement post-call NOPs
Relates :	JDK-8291333 - PPC64: use td (trap instr.) that always traps as NativeDeoptInstruction
Relates :	JDK-8284161 - Implementation of Virtual Threads (Preview)
Relates :	JDK-8286446 - PPC64: fix crashes after JDK-8284161 (virtual threads preview)
Relates :	JDK-8286540 - Build failure caused by missing DefaultPollerProvider implementation on AIX
Relates :	JDK-8288105 - [PPC64] Problems with -XX:+VerifyStack
Relates :	JDK-8287433 - [PPC64] g1_write_barrier_pre needs extension for Loom
Relates :	JDK-8299375 - [PPC64] GetStackTraceSuspendedStressTest tries to deoptimize frame with invalid fp

Description

JEP 425 is targeted to JDK 19. Porting work will required for PPC64. The initial integration of the JEP adds "Unimplemented" stubs for this architecture. For comparison, the initial implementation has about 2000 lines of x64 and about the same for aarch64.

Comments

Changeset: 43d11736 Author: Richard Reingruber <rrich@openjdk.org> Date: 2022-11-28 08:09:09 +0000 URL: https://git.openjdk.org/jdk/commit/43d1173605128126dda0dc39ffc376b84065cc65

28-11-2022

A pull request was submitted for review. URL: https://git.openjdk.org/jdk/pull/10961 Date: 2022-11-02 21:54:26 +0000

02-11-2022

Assigning to [~rrich] for now and he is already working on the port to ppc64le.

06-05-2022