Port of miscellaneous leftover implementation-only changes from the panama-foreign repo:
These four related to improving the performance of the internal `strlen` implementation: - https://github.com/openjdk/panama-foreign/pull/862 - https://github.com/openjdk/panama-foreign/pull/860 - https://github.com/openjdk/panama-foreign/pull/858 - https://github.com/openjdk/panama-foreign/pull/857 Adding new benchmarks: - https://github.com/openjdk/panama-foreign/pull/874 - https://github.com/openjdk/panama-foreign/pull/870 Other misc. changes: - https://github.com/openjdk/panama-foreign/pull/885 - https://github.com/openjdk/panama-foreign/pull/886 - https://github.com/openjdk/panama-foreign/pull/864 - https://github.com/openjdk/panama-foreign/pull/903 - https://github.com/openjdk/panama-foreign/pull/890 (note that this is a javadoc block in the implementation only) - https://github.com/openjdk/panama-foreign/pull/908 - https://github.com/openjdk/panama-foreign/pull/910 ------------- Commit messages: - Do not run a lengthy test on zero machines - 8317137: Time out in TestStringEncoding - adjust misformatted copyright header - Fix arithmetic bug in SegmentAllocator - Improve exception messages and simplify LayoutPath - 8316196: Use hexadecimal form for address outputs in java.lang.foreign - Benchmark Java to/from C string conversions - Add AllocTest benchmark - Avoid using StandardCharset in Java code - Improve strlen performance - ... and 4 more: https://git.openjdk.org/jdk/compare/32ac72c3...b60dbff1 Changes: https://git.openjdk.org/jdk/pull/16128/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16128&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8317837 Stats: 1358 lines in 19 files changed: 1261 ins; 11 del; 86 mod Patch: https://git.openjdk.org/jdk/pull/16128.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/16128/head:pull/16128 PR: https://git.openjdk.org/jdk/pull/16128
