[jdk11u-dev] RFR: 8288445: AArch64: C2 compilation fails with guarantee(!true || (true && (shift != 0))) failed: impossible encoding

Wed Oct 19 07:09:12 UTC 2022

On Tue, 18 Oct 2022 16:05:28 GMT, William Kemper <wkemper at openjdk.org> wrote:

> [JDK-8288445](https://bugs.openjdk.org/browse/JDK-8288445)
> AArch64: C2 compilation fails with guarantee(!true || (true && (shift != 0))) failed: impossible encoding
> 
> Backport is not clean, but is not complicated. Some of the instructions patched in later releases do not exist in 11. The test passes _before_ and _after_ the patch is applied.

Hi, next time, please only label fix-request if your PR is ready. In this case the review is missing.

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PR: https://git.openjdk.org/jdk11u-dev/pull/1462