RFR: 8347405: MergeStores with reverse bytes order value [v4]

Fri Jan 24 02:05:59 UTC 2025

On Wed, 22 Jan 2025 08:17:08 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>>> My testing with TestMergeStores.java succeeded. I wanted to put the change through our ci testing but the builds failed because of incompatible changes in master. May I ask you to merge master so I can do the additional testing?
>> 
>> It's fixed.
>
> @kuaiwei Feel free to ping me again here whenever this is ready for a re-review :)

@eme64 , I made new change to merge more stores. It could merge pattern like
```c++
a[0] = vL <<  8;
a[1] = vL << 16;
a[2] = vL << 24;
a[3] = vL << 32;

It passed tier1 tests in x86 and aarch64 platform. May I ask you to review it again? Thanks.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/23030#issuecomment-2611387750