Function vshl_s32 

pub fn vshl_s32(a: int32x2_t, b: int32x2_t) -> int32x2_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.

Signed Shift left Arm’s documentation