written using pointers and n. Back to slices. dst := unsafe.Slice(dstb, n) x := unsafe.Slice(xb, n) y := unsafe.Slice(yb, n) if supportsUnaligned || aligned(dstb, xb, yb) { xorLoop(words(dst), words(x), words(y)) if uintptr(n)%wordSize == 0 { return } done := n &^ int(wordSize-1) dst = dst[done:] x = x[done:] y = y[done:] } xorLoop(dst, x, y) } // aligned reports whether dst, x, and y are all word-aligned pointers. func aligned(dst, x, y *byte) bool { return (uintptr(unsafe.Pointer(dst))|uintptr(un...