David Green 960c975acd [AArch64] Expand scmp/ucmp vector operations with sub (#108830) ...

Unlike scalar, where AArch64 prefers expanding scmp/ucmp with select,
under Neon we can use the arithmetic expansion to generate fewer
instructions. Notably it also prevents the scalarization of vselect
during vector-legalization.

2024-09-16 18:44:52 +01:00

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