Function vdupq_n_f32 

pub fn vdupq_n_f32(value: f32) -> float32x4_t

Available on (AArch64 or ARM64EC) and (AArch64 or ARM64EC or target feature v7) and (ARM or AArch64 or ARM64EC) and target feature neon only.

Duplicate vector element to vector or scalar Arm’s documentation