Integrated: 8369435: C2: transform (LShiftX (SubX con0 a), con1) into (SubX con0<<con1 (LShiftX a con1))

[Roland Westrelin]

On Thu, 16 Oct 2025 09:36:03 GMT, Roland Westrelin <roland at openjdk.org> wrote:

> We already transform:
> 
> (LShiftX (AddX a con0), con1) into (AddX (LShiftX a con1) con0<<con1)
> 
> THis is a variant with SubX. I found that this helps RCE.

This pull request has now been integrated.

Changeset: 80fcfaf4
Author:    Roland Westrelin <roland at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/80fcfaf41aa2d6af30f15877e4466647dbca424e
Stats:     251 lines in 5 files changed: 151 ins; 98 del; 2 mod

8369435: C2: transform (LShiftX (SubX con0 a), con1) into (SubX con0<<con1 (LShiftX a con1))

Reviewed-by: epeter, qamai

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PR: https://git.openjdk.org/jdk/pull/27842