8370920: [s390] C2: add instruction size in s390.ad file

[Harshit470250]

This pr adds the size of the match rule nodes.

There were a lot of nodes for which the size was variable, for those node I have taken the maximum possible size.

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8370920: [s390] C2: add instruction size in s390.ad file (Enhancement - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/28054/head:pull/28054
$ git checkout pull/28054

Update a local copy of the PR:
$ git checkout pull/28054
$ git pull https://git.openjdk.org/jdk.git pull/28054/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 28054

View PR using the GUI difftool:
$ git pr show -t 28054

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/28054.diff

Using Webrev

Link to Webrev Comment

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[openjdk]

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

[openjdk]

⚠️ @Harshit470250 a branch with the same name as the source branch for this pull request (master) is present in the target repository. If you eventually integrate this pull request then the branch master in your personal fork will diverge once you sync your personal fork with the upstream repository.

To avoid this situation, create a new branch for your changes and reset the master branch. You can do this by running the following commands in a local repository for your personal fork. Note: you do not have to name the new branch NEW-BRANCH-NAME.

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$ git push -f origin master

Then proceed to create a new pull request with NEW-BRANCH-NAME as the source branch and close this one.

[openjdk]

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[mlbridge]

Webrevs

• 01: Full - Incremental (4e02e366)
• 00: Full (c253449a)