Cullen Rhodes 7c3cda551a [AArch64][SVE] Prefer SIMD&FP variant of clast[ab]
The scalar variant with GPR source/dest has considerably higher latency
than the SIMD&FP scalar variant across a variety of micro-architectures:

  Core           Scalar    SIMD&FP
  --------------------------------
  Neoverse V1     9 cyc      3 cyc
  Neoverse N2     8 cyc      3 cyc
  Cortex A510     8 cyc      4 cyc
  A64FX          29 cyc      6 cyc
2022-07-13 08:53:36 +00:00
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