[clang] [llvm] [AArch64][SVE2.1] Add intrinsics for quadword loads/stores with unscaled offset (PR #70474)

[David Sherwood via cfe-commits]

https://github.com/david-arm commented:

Thanks for this! I've not done an exhaustive review, but I'll leave the comments I have so far.

https://github.com/llvm/llvm-project/pull/70474