[foreign-abi] RFR: Merge foreign-memaccess [v2]

[J.Duke]

> Hi all,
> 
> this is an _automatically_ generated pull request to notify you that there are 149 commits from the branch `foreign-memaccess`that can **not** be merged into the branch `foreign-abi`:
> 
> The following files contains merge conflicts:
> 
> - src/hotspot/share/c1/c1_IR.hpp
> - src/hotspot/share/code/pcDesc.hpp
> - src/hotspot/share/jvmci/jvmciCodeInstaller.cpp
> - src/hotspot/share/opto/compile.cpp
> - src/hotspot/share/opto/output.cpp
> 
> All Committers in this [project](https://openjdk.java.net/census#panama) have access to my [personal fork](https://github.com/openjdk-bot/panama-foreign) and can therefore help resolve these merge conflicts (you may want to coordinate who should do this).
> The following paragraphs will give an example on how to solve these merge conflicts and push the resulting merge commit to this pull request.
> The below commands should be run in a local clone of your [personal fork](https://wiki.openjdk.java.net/display/skara#Skara-Personalforks) of the [openjdk/panama-foreign](https://github.com/openjdk/panama-foreign) repository.
> 
> # Ensure target branch is up to date
> $ git checkout foreign-abi
> $ git pull https://github.com/openjdk/panama-foreign.git foreign-abi
> 
> # Fetch and checkout the branch for this pull request
> $ git fetch https://github.com/openjdk-bot/panama-foreign.git +67:openjdk-bot-67
> $ git checkout openjdk-bot-67
> 
> # Merge the target branch
> $ git merge foreign-abi
> 
> When you have resolved the conflicts resulting from the `git merge` command above, run the following commands to create a merge commit:
> 
> $ git add paths/to/files/with/conflicts
> $ git commit -m 'Merge foreign-memaccess'
> 
> 
> When you have created the merge commit, run the following command to push the merge commit to this pull request:
> 
> $ git push https://github.com/openjdk-bot/panama-foreign.git openjdk-bot-67:67
> 
> _Note_: if you are using SSH to push commits to GitHub, then change the URL in the above `git push` command accordingly.
> 
> Thanks,
> J. Duke

J. Duke has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 150 commits:

 - Merge branch 'foreign-abi' into openjdk-bot-67
 - Automatic merge of master into foreign-memaccess
 - Automatic merge of jdk:master into master
 - 8255129: [PPC64, s390] Check vector_size_supported and add VectorReinterpret node
   
   Reviewed-by: lucy
 - 8255274: [PPC64, s390] wrong StringLatin1.indexOf version matched
   
   Reviewed-by: clanger, rrich
 - 8254982: (tz) Upgrade time-zone data to tzdata2020c
   
   Reviewed-by: erikj, naoto
 - 8254670: SVE test uses linux-specific api
   
   Reviewed-by: adinn, vkempik
 - 8254286: Wrong inference in switch expression with "null" arm
   
   Reviewed-by: mcimadamore, vromero
 - 8249675: x86: frequency extraction from cpu brand string is incomplete
   
   Reviewed-by: egahlin, dholmes
 - 8255067: Restore Copyright line in file modified by 8253191
   
   Reviewed-by: kvn, shade
 - ... and 140 more: https://git.openjdk.java.net/panama-foreign/compare/c32f1085...9e87938b

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

Changes: https://git.openjdk.java.net/panama-foreign/pull/385/files
 Webrev: https://webrevs.openjdk.java.net/?repo=panama-foreign&pr=385&range=01
  Stats: 64476 lines in 855 files changed: 48356 ins; 12262 del; 3858 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/385.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/385/head:pull/385

PR: https://git.openjdk.java.net/panama-foreign/pull/385