[jdk17] RFR: 8269775: compiler/codegen/ClearArrayTest.java failed with "assert(false) failed: bad AD file"

[Jatin Bhateja]

On Fri, 2 Jul 2021 03:50:58 GMT, Sandhya Viswanathan <sviswanathan at openjdk.org> wrote:

>> I verified that with this fix `rep_stos_im()` or `rep_stos_evex()` will be used depending on avx512vlbw support.
>> Good!
>
> @vnkozlov Please let me know if I can go ahead and integrate.

Thanks @sviswa7 , I missed putting this change in my last check-in, attaching instruction costs will resolve conflicts and select instruction with minimum cost in case of multiple matches in this BURS based instruction selection.

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PR: https://git.openjdk.java.net/jdk17/pull/199