Function vfmlsl_lane_high_f16

#[target_feature(enable = "neon", enable = "fp16", enable = "fhm")]
pub fn vfmlsl_lane_high_f16(r: float32x2_t, a: float16x4_t, b: float16x4_t, LANE: i32) -> float32x2_t

Floating-point fused Multiply-Subtract Long from accumulator (by element). Arm's documentation