// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // pretty-expanded FIXME #23616 #![feature(intrinsics)] mod rusti { extern "rust-intrinsic" { pub fn ctpop8(x: u8) -> u8; pub fn ctpop16(x: u16) -> u16; pub fn ctpop32(x: u32) -> u32; pub fn ctpop64(x: u64) -> u64; pub fn ctlz8(x: u8) -> u8; pub fn ctlz16(x: u16) -> u16; pub fn ctlz32(x: u32) -> u32; pub fn ctlz64(x: u64) -> u64; pub fn cttz8(x: u8) -> u8; pub fn cttz16(x: u16) -> u16; pub fn cttz32(x: u32) -> u32; pub fn cttz64(x: u64) -> u64; pub fn bswap16(x: u16) -> u16; pub fn bswap32(x: u32) -> u32; pub fn bswap64(x: u64) -> u64; } } pub fn main() { unsafe { use rusti::*; assert_eq!(ctpop8(0), 0); assert_eq!(ctpop16(0), 0); assert_eq!(ctpop32(0), 0); assert_eq!(ctpop64(0), 0); assert_eq!(ctpop8(1), 1); assert_eq!(ctpop16(1), 1); assert_eq!(ctpop32(1), 1); assert_eq!(ctpop64(1), 1); assert_eq!(ctpop8(10), 2); assert_eq!(ctpop16(10), 2); assert_eq!(ctpop32(10), 2); assert_eq!(ctpop64(10), 2); assert_eq!(ctpop8(100), 3); assert_eq!(ctpop16(100), 3); assert_eq!(ctpop32(100), 3); assert_eq!(ctpop64(100), 3); assert_eq!(ctpop8(-1), 8); assert_eq!(ctpop16(-1), 16); assert_eq!(ctpop32(-1), 32); assert_eq!(ctpop64(-1), 64); assert_eq!(ctlz8(0), 8); assert_eq!(ctlz16(0), 16); assert_eq!(ctlz32(0), 32); assert_eq!(ctlz64(0), 64); assert_eq!(ctlz8(1), 7); assert_eq!(ctlz16(1), 15); assert_eq!(ctlz32(1), 31); assert_eq!(ctlz64(1), 63); assert_eq!(ctlz8(10), 4); assert_eq!(ctlz16(10), 12); assert_eq!(ctlz32(10), 28); assert_eq!(ctlz64(10), 60); assert_eq!(ctlz8(100), 1); assert_eq!(ctlz16(100), 9); assert_eq!(ctlz32(100), 25); assert_eq!(ctlz64(100), 57); assert_eq!(cttz8(-1), 0); assert_eq!(cttz16(-1), 0); assert_eq!(cttz32(-1), 0); assert_eq!(cttz64(-1), 0); assert_eq!(cttz8(0), 8); assert_eq!(cttz16(0), 16); assert_eq!(cttz32(0), 32); assert_eq!(cttz64(0), 64); assert_eq!(cttz8(1), 0); assert_eq!(cttz16(1), 0); assert_eq!(cttz32(1), 0); assert_eq!(cttz64(1), 0); assert_eq!(cttz8(10), 1); assert_eq!(cttz16(10), 1); assert_eq!(cttz32(10), 1); assert_eq!(cttz64(10), 1); assert_eq!(cttz8(100), 2); assert_eq!(cttz16(100), 2); assert_eq!(cttz32(100), 2); assert_eq!(cttz64(100), 2); assert_eq!(cttz8(-1), 0); assert_eq!(cttz16(-1), 0); assert_eq!(cttz32(-1), 0); assert_eq!(cttz64(-1), 0); assert_eq!(bswap16(0x0A0B), 0x0B0A); assert_eq!(bswap32(0x0ABBCC0D), 0x0DCCBB0A); assert_eq!(bswap64(0x0122334455667708), 0x0877665544332201); } }