Bug ID: JDK-8156861 AArch64: JEP 254: Partially-implemented intrinsics

JDK-8156861 : AArch64: JEP 254: Partially-implemented intrinsics

Type: Enhancement
Component: hotspot
Sub-Component: compiler

Priority: P4
Status: Closed
Resolution: Fixed
OS: generic
CPU: aarch64

Submitted: 2016-05-12
Updated: 2017-07-19
Resolved: 2016-10-04

Versions (Unresolved/Resolved/Fixed)

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JDK 9
9Fixed

Related Reports

Blocks :	JDK-8156839 - aarch64: String.indexOf intrinsic does not support CompactStrings
Blocks :	JDK-8157708 - aarch64: StrIndexOfChar intrinsic is not implemented
Blocks :	JDK-8156943 - aarch64: String.compare intrinsic does not support CompactStrings
Relates :	JDK-8184943 - AARCH64: Intrinsify hasNegatives
Relates :	JDK-8054307 - JEP 254: Compact Strings

Description

CompactString support is only partially done on AArch64. We need String.indexOf() and String.compare(). We then need to turn on CompactStrings by default.

Comments

All done.
04-10-2016
Please, change "Proposed Integration Date" in Request FC exemption since June 30 is passed.
19-07-2016
Approved for JDK 9.
21-06-2016
Request FC exemption Justification: more time is needed to add CompactStrings support to AARCH64 intrinsics. Risk: Low. Only AARCH64 code is changed Proposed Integration Date: June 30, 2016
23-05-2016