[lworld] Integrated: 8262128: [lworld] C1's ValueNumbering optimization does not correctly handle delayed accesses
Tobias Hartmann
thartmann at openjdk.java.net
Tue Feb 23 06:58:53 UTC 2021
On Mon, 22 Feb 2021 14:06:35 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:
> C1's ValueNumbering optimization replaces an array+field load `array[0].intArray` by another non-equivalent array+field load `array[0].floatArray` because it does not handle delayed accesses. The hash value of `LoadIndexed` needs to take delayed accesses into account.
>
> Best regards,
> Tobias
This pull request has now been integrated.
Changeset: 1c9a7a9a
Author: Tobias Hartmann <thartmann at openjdk.org>
URL: https://git.openjdk.java.net/valhalla/commit/1c9a7a9a
Stats: 34 lines in 3 files changed: 25 ins; 2 del; 7 mod
8262128: [lworld] C1's ValueNumbering optimization does not correctly handle delayed accesses
Reviewed-by: fparain
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PR: https://git.openjdk.java.net/valhalla/pull/345
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