RFR: 8265907: JVM crashes when matching VectorMaskCmp Node [v3]

Ningsheng Jian njian at openjdk.java.net
Mon May 31 02:00:25 UTC 2021


On Mon, 26 Apr 2021 05:32:14 GMT, Ningsheng Jian <njian at openjdk.org> wrote:

> Hmm, currently min_vector_size for byte type is lower to 4 bytes to support vector api shuffle, but we don't have a per Opcode size check correctly. E.g. no length check for reduce_add8B, do you also see any issue for that? 

Since SLP does not support subword reduction, I think current match rules are fine. AArch64 part looks good to me.

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PR: https://git.openjdk.java.net/jdk/pull/3670


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