1 #![feature(core_intrinsics, generators, generator_trait, is_sorted)]
3 use std::arch::x86_64::*;
5 use std::ops::Generator;
8 println!("{:?}", std::env::args().collect::<Vec<_>>());
10 let mutex = std::sync::Mutex::new(());
11 let _guard = mutex.lock().unwrap();
13 let _ = ::std::iter::repeat('a' as u8).take(10).collect::<Vec<_>>();
14 let stderr = ::std::io::stderr();
15 let mut stderr = stderr.lock();
17 std::thread::spawn(move || {
18 println!("Hello from another thread!");
21 writeln!(stderr, "some {} text", "<unknown>").unwrap();
23 let _ = std::process::Command::new("true").env("c", "d").spawn();
25 println!("cargo:rustc-link-lib=z");
27 static ONCE: std::sync::Once = std::sync::Once::new();
28 ONCE.call_once(|| {});
30 let _eq = LoopState::Continue(()) == LoopState::Break(());
32 // Make sure ByValPair values with differently sized components are correctly passed
33 map(None::<(u8, Box<Instruction>)>);
35 println!("{}", 2.3f32.exp());
36 println!("{}", 2.3f32.exp2());
37 println!("{}", 2.3f32.abs());
38 println!("{}", 2.3f32.sqrt());
39 println!("{}", 2.3f32.floor());
40 println!("{}", 2.3f32.ceil());
41 println!("{}", 2.3f32.min(1.0));
42 println!("{}", 2.3f32.max(1.0));
43 println!("{}", 2.3f32.powi(2));
44 println!("{}", 2.3f32.log2());
45 assert_eq!(2.3f32.copysign(-1.0), -2.3f32);
46 println!("{}", 2.3f32.powf(2.0));
48 assert_eq!(-128i8, (-128i8).saturating_sub(1));
49 assert_eq!(127i8, 127i8.saturating_sub(-128));
50 assert_eq!(-128i8, (-128i8).saturating_add(-128));
51 assert_eq!(127i8, 127i8.saturating_add(1));
53 assert_eq!(0b0000000000000000000000000010000010000000000000000000000000000000_0000000000100000000000000000000000001000000000000100000000000000u128.leading_zeros(), 26);
54 assert_eq!(0b0000000000000000000000000010000000000000000000000000000000000000_0000000000000000000000000000000000001000000000000000000010000000u128.trailing_zeros(), 7);
56 let _d = 0i128.checked_div(2i128);
57 let _d = 0u128.checked_div(2u128);
58 assert_eq!(1u128 + 2, 3);
60 assert_eq!(0b100010000000000000000000000000000u128 >> 10, 0b10001000000000000000000u128);
61 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 >> 64, 0xFEDCBA98765432u128);
62 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 as i128 >> 64, 0xFEDCBA98765432i128);
64 let tmp = 353985398u128;
65 assert_eq!(tmp * 932490u128, 330087843781020u128);
67 let tmp = -0x1234_5678_9ABC_DEF0i64;
68 assert_eq!(tmp as i128, -0x1234_5678_9ABC_DEF0i128);
70 // Check that all u/i128 <-> float casts work correctly.
71 let houndred_u128 = 100u128;
72 let houndred_i128 = 100i128;
73 let houndred_f32 = 100.0f32;
74 let houndred_f64 = 100.0f64;
75 assert_eq!(houndred_u128 as f32, 100.0);
76 assert_eq!(houndred_u128 as f64, 100.0);
77 assert_eq!(houndred_f32 as u128, 100);
78 assert_eq!(houndred_f64 as u128, 100);
79 assert_eq!(houndred_i128 as f32, 100.0);
80 assert_eq!(houndred_i128 as f64, 100.0);
81 assert_eq!(houndred_f32 as i128, 100);
82 assert_eq!(houndred_f64 as i128, 100);
84 // Test signed 128bit comparing
85 let max = usize::MAX as i128;
86 if 100i128 < 0i128 || 100i128 > max {
94 let empty: [i32; 0] = [];
95 assert!(empty.is_sorted());
97 println!("{:?}", std::intrinsics::caller_location());
103 Box::pin(move |mut _task_context| {
105 }).as_mut().resume(0);
107 #[derive(Copy, Clone)]
112 let kind = Nums::NegOne;
113 assert_eq!(-1i128, kind as i128);
116 #[target_feature(enable = "sse2")]
117 unsafe fn test_simd() {
118 let x = _mm_setzero_si128();
119 let y = _mm_set1_epi16(7);
120 let or = _mm_or_si128(x, y);
121 let cmp_eq = _mm_cmpeq_epi8(y, y);
122 let cmp_lt = _mm_cmplt_epi8(y, y);
124 assert_eq!(std::mem::transmute::<_, [u16; 8]>(or), [7, 7, 7, 7, 7, 7, 7, 7]);
125 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_eq), [0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff]);
126 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_lt), [0, 0, 0, 0, 0, 0, 0, 0]);
128 test_mm_slli_si128();
129 test_mm_movemask_epi8();
130 test_mm256_movemask_epi8();
133 test_mm_cvtepi8_epi16();
134 test_mm_cvtsi128_si64();
136 // FIXME(#666) implement `#[rustc_arg_required_const(..)]` support
137 //test_mm_extract_epi8();
139 let mask1 = _mm_movemask_epi8(dbg!(_mm_setr_epi8(255u8 as i8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)));
140 assert_eq!(mask1, 1);
143 #[target_feature(enable = "sse2")]
144 unsafe fn test_mm_slli_si128() {
146 let a = _mm_setr_epi8(
147 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
149 let r = _mm_slli_si128(a, 1);
150 let e = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
151 assert_eq_m128i(r, e);
154 let a = _mm_setr_epi8(
155 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
157 let r = _mm_slli_si128(a, 15);
158 let e = _mm_setr_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
159 assert_eq_m128i(r, e);
162 let a = _mm_setr_epi8(
163 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
165 let r = _mm_slli_si128(a, 16);
166 assert_eq_m128i(r, _mm_set1_epi8(0));
169 let a = _mm_setr_epi8(
170 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
172 let r = _mm_slli_si128(a, -1);
173 assert_eq_m128i(_mm_set1_epi8(0), r);
176 let a = _mm_setr_epi8(
177 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
179 let r = _mm_slli_si128(a, -0x80000000);
180 assert_eq_m128i(r, _mm_set1_epi8(0));
183 #[target_feature(enable = "sse2")]
184 unsafe fn test_mm_movemask_epi8() {
186 let a = _mm_setr_epi8(
187 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8, 0b01,
188 0b0101, 0b1111_0000u8 as i8, 0, 0,
189 0, 0, 0b1111_0000u8 as i8, 0b0101,
190 0b01, 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8,
192 let r = _mm_movemask_epi8(a);
193 assert_eq!(r, 0b10100100_00100101);
196 #[target_feature(enable = "avx2")]
197 unsafe fn test_mm256_movemask_epi8() {
198 let a = _mm256_set1_epi8(-1);
199 let r = _mm256_movemask_epi8(a);
204 #[target_feature(enable = "sse2")]
205 unsafe fn test_mm_add_epi8() {
206 let a = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
208 let b = _mm_setr_epi8(
209 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
211 let r = _mm_add_epi8(a, b);
213 let e = _mm_setr_epi8(
214 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46,
216 assert_eq_m128i(r, e);
219 #[target_feature(enable = "sse2")]
220 unsafe fn test_mm_add_pd() {
221 let a = _mm_setr_pd(1.0, 2.0);
222 let b = _mm_setr_pd(5.0, 10.0);
223 let r = _mm_add_pd(a, b);
224 assert_eq_m128d(r, _mm_setr_pd(6.0, 12.0));
227 fn assert_eq_m128i(x: std::arch::x86_64::__m128i, y: std::arch::x86_64::__m128i) {
229 assert_eq!(std::mem::transmute::<_, [u8; 16]>(x), std::mem::transmute::<_, [u8; 16]>(y));
233 #[target_feature(enable = "sse2")]
234 pub unsafe fn assert_eq_m128d(a: __m128d, b: __m128d) {
235 if _mm_movemask_pd(_mm_cmpeq_pd(a, b)) != 0b11 {
236 panic!("{:?} != {:?}", a, b);
240 #[target_feature(enable = "sse2")]
241 unsafe fn test_mm_cvtsi128_si64() {
242 let r = _mm_cvtsi128_si64(std::mem::transmute::<[i64; 2], _>([5, 0]));
246 #[target_feature(enable = "sse4.1")]
247 unsafe fn test_mm_cvtepi8_epi16() {
248 let a = _mm_set1_epi8(10);
249 let r = _mm_cvtepi8_epi16(a);
250 let e = _mm_set1_epi16(10);
251 assert_eq_m128i(r, e);
252 let a = _mm_set1_epi8(-10);
253 let r = _mm_cvtepi8_epi16(a);
254 let e = _mm_set1_epi16(-10);
255 assert_eq_m128i(r, e);
258 #[target_feature(enable = "sse4.1")]
259 unsafe fn test_mm_extract_epi8() {
261 let a = _mm_setr_epi8(
262 -1, 1, 2, 3, 4, 5, 6, 7,
263 8, 9, 10, 11, 12, 13, 14, 15
265 let r1 = _mm_extract_epi8(a, 0);
266 let r2 = _mm_extract_epi8(a, 19);
267 assert_eq!(r1, 0xFF);
271 fn test_checked_mul() {
272 let u: Option<u8> = u8::from_str_radix("1000", 10).ok();
275 assert_eq!(1u8.checked_mul(255u8), Some(255u8));
276 assert_eq!(255u8.checked_mul(255u8), None);
277 assert_eq!(1i8.checked_mul(127i8), Some(127i8));
278 assert_eq!(127i8.checked_mul(127i8), None);
279 assert_eq!((-1i8).checked_mul(-127i8), Some(127i8));
280 assert_eq!(1i8.checked_mul(-128i8), Some(-128i8));
281 assert_eq!((-128i8).checked_mul(-128i8), None);
283 assert_eq!(1u64.checked_mul(u64::max_value()), Some(u64::max_value()));
284 assert_eq!(u64::max_value().checked_mul(u64::max_value()), None);
285 assert_eq!(1i64.checked_mul(i64::max_value()), Some(i64::max_value()));
286 assert_eq!(i64::max_value().checked_mul(i64::max_value()), None);
287 assert_eq!((-1i64).checked_mul(i64::min_value() + 1), Some(i64::max_value()));
288 assert_eq!(1i64.checked_mul(i64::min_value()), Some(i64::min_value()));
289 assert_eq!(i64::min_value().checked_mul(i64::min_value()), None);
298 pub enum Instruction {
303 fn map(a: Option<(u8, Box<Instruction>)>) -> Option<Box<Instruction>> {
306 Some((_, instr)) => Some(instr),