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use int::Int; /// Sets the least significant bit of `x` and clears all bits above that bit. /// /// If there is no zero bit in `x`, it sets all the bits. /// /// # Intrinsic (when available TBM) /// /// [`BLCMSK`](http://support.amd.com/TechDocs/24592.pdf): Mask from lowest /// clear bit (supports 32/64 bit registers). /// /// # Example /// /// ``` /// use bitintr::tbm::blcmsk; /// /// assert_eq!(blcmsk(0b0101_0001u8), 0b0000_0011u8); /// assert_eq!(blcmsk(0b1111_1111u8), 0b1111_1111u8); /// ``` pub fn blcmsk<T: Int>(x: T) -> T { x ^ (x.wrapping_add(T::one())) } pub trait BLCMSK { fn blcmsk(self) -> Self; } impl<T: Int> BLCMSK for T { fn blcmsk(self) -> T { blcmsk(self) } }