Method half_width

cranelift/codegen/src/ir/types.rs:173–184

Get a type with the same number of lanes as this type, but with lanes that are half the number of bits.

(self)

    /// Get a type with the same number of lanes as this type, but with lanes that are half the
    /// number of bits.
    pub fn half_width(self) -> Option<Self> {
        Some(self.replace_lanes(match self.lane_type() {
            I16 => I8,
            I32 => I16,
            I64 => I32,
            I128 => I64,
            F32 => F16,
            F64 => F32,
            F128 => F64,
            _ => return None,
        }))
    }

    /// Get a type with the same number of lanes as this type, but with lanes that are twice the
    /// number of bits.