[Mlir-commits] [mlir] [mlir][vector] Make CompressstoreOp + ExpandloadOp support scalable vectors (PR #210288)

[Andrzej Warzyński]

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banach-space wrote:

This is not possible at this point. `expand` is an SVE2p2 instruction, see:
* https://developer.arm.com/documentation/111108/2026-03/SVE-Instructions/EXPAND--Copy-lower-numbered-vector-elements-to-Active-elements-

However, there's no hardware that would implement it nor QEMU support:
* https://linaro.atlassian.net/browse/QEMU-975

https://github.com/llvm/llvm-project/pull/210288