Function svcvt_s64_f32_x 

pub fn svcvt_s64_f32_x(pg: svbool_t, op: svfloat32_t) -> svint64_t

🔬This is a nightly-only experimental API. (stdarch_aarch64_sve #145052)

Available on (AArch64 or ARM64EC) and target feature sve only.

Floating-point convert Arm’s documentation