RFR: 8238669: Long.divideUnsigned is extremely slow for certain values (Needs to be Intrinsic) [v3]

[Raffaello Giulietti]

> This is a follow-up of the Mercurial-based workflow initiated on the core-lib-devs mailing list [0]. Not sure if this
> one is strictly necessary or if the patches sent on the list are sufficient. Anyway, I exploit this PR as a test ;-)
> [0] https://mail.openjdk.java.net/pipermail/core-libs-dev/2020-September/068474.html

Raffaello Giulietti has updated the pull request incrementally with one additional commit since the last revision:

  Modified copyright year.

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/31/files
  - new: https://git.openjdk.java.net/jdk/pull/31/files/e1563721..efb8c71d

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=31&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=31&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/31.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/31/head:pull/31

PR: https://git.openjdk.java.net/jdk/pull/31