8260191: Do not include access.hpp in oop.hpp

[iklam]

Please review this trivial change.

oop.h is included by 860 out of 1000 HotSpot .o files. It includes access.h for this member function declaration only:

template <DecoratorSet decorator> oop obj_field_access(int offset) const;

Instead of access.h, oop.h should include accessDecorators.hpp. This avoids including lots of header files from the Access API.

HotSpot build time is reduced by about 0.5% for this single-line change.

Tested with mach5: tier1, builds-tier2, builds-tier3, builds-tier4 and builds-tier5. Also locally: aarch64, arm, ppc64, s390, x86, and zero.

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
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Issue

• JDK-8260191: Do not include access.hpp in oop.hpp

Reviewers

• Kim Barrett (@kimbarrett - Reviewer)

Download

$ git fetch https://git.openjdk.java.net/jdk pull/2172/head:pull/2172
$ git checkout pull/2172

[bridgekeeper]

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[openjdk]

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• hotspot

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[mlbridge]

Webrevs

• 00: Full (66715e5)

[openjdk]

@iklam This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8260191: Do not include access.hpp in oop.hpp

Reviewed-by: kbarrett

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 14 new commits pushed to the master branch:

• 35c9da7: 8259498: Reduce overhead of MD5 and SHA digests
• 27cc62a: 8259911: byteArrayViewVarHandle should throw ArrayIndexOutOfBoundsException
• 1f47de5: 8260010: UTF8ZipCoder not thread-safe since JDK-8243469
• 8b95d95: 8256895: Add support for RFC 8954: Online Certificate Status Protocol (OCSP) Nonce Extension
• 4f11ff3: 8259488: Shenandoah: Missing timing tracking for STW CLD root processing
• 0785147: 8259949: x86 32-bit build fails when -fcf-protection is passed in the compiler flags
• 5891509: 8259947: (fs) Optimize UnixPath.encode implementation
• 69f90b5: 8259843: initialize dli_fname array before calling dll_address_to_library_name
• 52ed2aa: 8259786: initialize last parameter of getpwuid_r
• 70b5b31: 8257664: HTMLEditorKit: Wrong CSS relative font sizes
• ... and 4 more: https://git.openjdk.java.net/jdk/compare/cf25383d19e5b42768cdd07385a89dcbafbe02bb...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[kimbarrett]

Forgot to say earlier, I agree this is trivial.

[iklam]

Thanks @kimbarrett for the review!
/integrate

[openjdk]

@iklam Since your change was applied there have been 15 commits pushed to the master branch:

• 77a4302: 8223056: Remove Type-Stable-Memory support for Parkers
• 35c9da7: 8259498: Reduce overhead of MD5 and SHA digests
• 27cc62a: 8259911: byteArrayViewVarHandle should throw ArrayIndexOutOfBoundsException
• 1f47de5: 8260010: UTF8ZipCoder not thread-safe since JDK-8243469
• 8b95d95: 8256895: Add support for RFC 8954: Online Certificate Status Protocol (OCSP) Nonce Extension
• 4f11ff3: 8259488: Shenandoah: Missing timing tracking for STW CLD root processing
• 0785147: 8259949: x86 32-bit build fails when -fcf-protection is passed in the compiler flags
• 5891509: 8259947: (fs) Optimize UnixPath.encode implementation
• 69f90b5: 8259843: initialize dli_fname array before calling dll_address_to_library_name
• 52ed2aa: 8259786: initialize last parameter of getpwuid_r
• ... and 5 more: https://git.openjdk.java.net/jdk/compare/cf25383d19e5b42768cdd07385a89dcbafbe02bb...master

Your commit was automatically rebased without conflicts.

Pushed as commit 044bae0.

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