Integrated: 8362979: C2 fails with unexpected node in SuperWord truncation: CmpLTMask, RoundF

[Jasmine Karthikeyan]

On Mon, 28 Jul 2025 02:34:25 GMT, Jasmine Karthikeyan <jkarthikeyan at openjdk.org> wrote:

> Hi all,
> This is a fix for a debug assert failure in SuperWord truncation for `CmpLTMask` and `RoundF` nodes, as discovered by CTW in the linked JBS report. I've added the nodes to the switch, and added reduced test cases. I've made a similar fix for `RoundD` nodes as well. Thanks!

This pull request has now been integrated.

Changeset: ea0b49c3
Author:    Jasmine Karthikeyan <jkarthikeyan at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/ea0b49c36db7dce508aec7e72e73c7274d65bc15
Stats:     57 lines in 3 files changed: 57 ins; 0 del; 0 mod

8362979: C2 fails with unexpected node in SuperWord truncation: CmpLTMask, RoundF

Reviewed-by: chagedorn, thartmann

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PR: https://git.openjdk.org/jdk/pull/26494