RFR: 8373724: Assertion failure in TestSignumVector.java with UseAPX [v5]

[Jatin Bhateja]

On Tue, 6 Jan 2026 16:51:00 GMT, Sandhya Viswanathan <sviswanathan at openjdk.org> wrote:

>> We already have a check for [memory operands (mapping to multiple input edges](https://github.com/openjdk/jdk/blob/master/src/hotspot/cpu/x86/x86.ad#L2664)) in place, ADLC generates DFA for both direct and flipped versions of the memory patterns. So Flag_ndd_demotable_opr2 will cover the flipped operand case.
>
> Thanks for the clarification. May be we should then add  PD::Flag_ndd_demotable_opr2 to the following as well to be consistent:
> xorI_rReg_rReg_mem_ndd
> orI_rReg_rReg_mem_ndd
> mulI_rReg_rReg_mem_ndd

Thanks @sviswa7 , comment addressed

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PR Review Comment: https://git.openjdk.org/jdk/pull/28999#discussion_r2666833538