8308966: Add intrinsic for float/double modulo for x86 AVX2 and AVX512

[shipilev]

WIP.

Blender.java
  17.0.10:       1865 ms
  20.0.2:        1838 ms
  21u-dev:       1853 ms
  this backport: 1986 ms

Blender2.java
  17.0.10:        138 ms
  20.0.2:         204 ms
  21u-dev:        205 ms
  this backport:  123 ms

Blender4.java
  17.0.10:       1594 ms
  20.0.2:         473 ms
  21u-dev:        466 ms
  this backport:  383 ms

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• JDK-8314056 needs maintainer approval
• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• JDK-8308966 needs maintainer approval

Issues

• JDK-8308966: Add intrinsic for float/double modulo for x86 AVX2 and AVX512 (Enhancement - P4)
• JDK-8314056: Remove runtime platform check from frem/drem (Enhancement - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21u-dev.git pull/273/head:pull/273
$ git checkout pull/273

Update a local copy of the PR:
$ git checkout pull/273
$ git pull https://git.openjdk.org/jdk21u-dev.git pull/273/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 273

View PR using the GUI difftool:
$ git pr show -t 273

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21u-dev/pull/273.diff

[bridgekeeper]

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[openjdk]

This backport pull request has now been updated with issue from the original commit.

[shipilev]

/issue add JDK-8314056

[openjdk]

@shipilev
Adding additional issue to issue list: 8314056: Remove runtime platform check from frem/drem.

[openjdk]

❗ This change is not yet ready to be integrated.
See the Progress checklist in the description for automated requirements.

[bridgekeeper]

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