8279076: C2: Bad AD file when matching SqrtF with UseSSE=0

[shipilev]

Unclean backport to fix the x86_32 problem. It is not clean, because Panama is not in 11u, so context in .ad is different.

Additional testing:

• Linux x86_32 fails new test without the fix, passes with it

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8279076: C2: Bad AD file when matching SqrtF with UseSSE=0

Reviewers

• Roland Westrelin (@rwestrel - Reviewer)
• Vladimir Kozlov (@vnkozlov - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.java.net/jdk11u-dev pull/819/head:pull/819
$ git checkout pull/819

Update a local copy of the PR:
$ git checkout pull/819
$ git pull https://git.openjdk.java.net/jdk11u-dev pull/819/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 819

View PR using the GUI difftool:
$ git pr show -t 819

Using diff file

Download this PR as a diff file:
https://git.openjdk.java.net/jdk11u-dev/pull/819.diff

[bridgekeeper]

👋 Welcome back shade! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

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

[openjdk]

@shipilev This change now passes all automated pre-integration checks.

After integration, the commit message for the final commit will be:

8279076: C2: Bad AD file when matching SqrtF with UseSSE=0

Reviewed-by: roland, kvn

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 3 new commits pushed to the master branch:

• 29eb422: 8281520: JFR: A wrong parameter is passed to the constructor of LeakKlassWriter
• d79e710: 8281599: test/lib/jdk/test/lib/KnownOIDs.java is redundant since JDK-8268801
• 6c26ba2: 8190748: java/text/Format/DateFormat/DateFormatTest.java and NonGregorianFormatTest fail intermittently

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[mlbridge]

Webrevs

• 00: Full (419272f5)

[rwestrel]

Looks good to me.

[shipilev]

Thanks, got the push approval. The GHA failure is known intermittent.

/integrate

[openjdk]

Going to push as commit bd420d2.
Since your change was applied there have been 3 commits pushed to the master branch:

• 29eb422: 8281520: JFR: A wrong parameter is passed to the constructor of LeakKlassWriter
• d79e710: 8281599: test/lib/jdk/test/lib/KnownOIDs.java is redundant since JDK-8268801
• 6c26ba2: 8190748: java/text/Format/DateFormat/DateFormatTest.java and NonGregorianFormatTest fail intermittently

Your commit was automatically rebased without conflicts.

[openjdk]

@shipilev Pushed as commit bd420d2.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.