1 #![feature(core_intrinsics, generators, generator_trait, is_sorted, bench_black_box)]
3 #[cfg(target_arch = "x86_64")]
4 use std::arch::x86_64::*;
5 use std::hint::black_box;
7 use std::ops::Generator;
10 println!("{:?}", std::env::args().collect::<Vec<_>>());
12 let mutex = std::sync::Mutex::new(());
13 let _guard = mutex.lock().unwrap();
15 let _ = ::std::iter::repeat('a' as u8).take(10).collect::<Vec<_>>();
16 let stderr = ::std::io::stderr();
17 let mut stderr = stderr.lock();
19 std::thread::spawn(move || {
20 println!("Hello from another thread!");
23 writeln!(stderr, "some {} text", "<unknown>").unwrap();
25 let _ = std::process::Command::new("true").env("c", "d").spawn();
27 println!("cargo:rustc-link-lib=z");
29 static ONCE: std::sync::Once = std::sync::Once::new();
30 ONCE.call_once(|| {});
32 let _eq = LoopState::Continue(()) == LoopState::Break(());
34 // Make sure ByValPair values with differently sized components are correctly passed
35 map(None::<(u8, Box<Instruction>)>);
37 println!("{}", 2.3f32.exp());
38 println!("{}", 2.3f32.exp2());
39 println!("{}", 2.3f32.abs());
40 println!("{}", 2.3f32.sqrt());
41 println!("{}", 2.3f32.floor());
42 println!("{}", 2.3f32.ceil());
43 println!("{}", 2.3f32.min(1.0));
44 println!("{}", 2.3f32.max(1.0));
45 println!("{}", 2.3f32.powi(2));
46 println!("{}", 2.3f32.log2());
47 assert_eq!(2.3f32.copysign(-1.0), -2.3f32);
48 println!("{}", 2.3f32.powf(2.0));
50 assert_eq!(i64::MAX.checked_mul(2), None);
52 assert_eq!(-128i8, (-128i8).saturating_sub(1));
53 assert_eq!(127i8, 127i8.saturating_sub(-128));
54 assert_eq!(-128i8, (-128i8).saturating_add(-128));
55 assert_eq!(127i8, 127i8.saturating_add(1));
57 assert_eq!(0b0000000000000000000000000010000010000000000000000000000000000000_0000000000100000000000000000000000001000000000000100000000000000u128.leading_zeros(), 26);
58 assert_eq!(0b0000000000000000000000000010000000000000000000000000000000000000_0000000000000000000000000000000000001000000000000000000010000000u128.trailing_zeros(), 7);
59 assert_eq!(core::intrinsics::saturating_sub(0, -170141183460469231731687303715884105728i128), 170141183460469231731687303715884105727i128);
61 let _d = 0i128.checked_div(2i128);
62 let _d = 0u128.checked_div(2u128);
63 assert_eq!(1u128 + 2, 3);
65 assert_eq!(0b100010000000000000000000000000000u128 >> 10, 0b10001000000000000000000u128);
66 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 >> 64, 0xFEDCBA98765432u128);
67 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 as i128 >> 64, 0xFEDCBA98765432i128);
69 let tmp = 353985398u128;
70 assert_eq!(tmp * 932490u128, 330087843781020u128);
72 let tmp = -0x1234_5678_9ABC_DEF0i64;
73 assert_eq!(tmp as i128, -0x1234_5678_9ABC_DEF0i128);
75 // Check that all u/i128 <-> float casts work correctly.
76 let houndred_u128 = 100u128;
77 let houndred_i128 = 100i128;
78 let houndred_f32 = 100.0f32;
79 let houndred_f64 = 100.0f64;
80 assert_eq!(houndred_u128 as f32, 100.0);
81 assert_eq!(houndred_u128 as f64, 100.0);
82 assert_eq!(houndred_f32 as u128, 100);
83 assert_eq!(houndred_f64 as u128, 100);
84 assert_eq!(houndred_i128 as f32, 100.0);
85 assert_eq!(houndred_i128 as f64, 100.0);
86 assert_eq!(houndred_f32 as i128, 100);
87 assert_eq!(houndred_f64 as i128, 100);
88 assert_eq!(1u128.rotate_left(2), 4);
90 assert_eq!(black_box(f32::NAN) as i128, 0);
91 assert_eq!(black_box(f32::NAN) as u128, 0);
93 // Test signed 128bit comparing
94 let max = usize::MAX as i128;
95 if 100i128 < 0i128 || 100i128 > max {
101 let _a = 1u32 << 2u8;
103 let empty: [i32; 0] = [];
104 assert!(empty.is_sorted());
106 println!("{:?}", std::intrinsics::caller_location());
108 #[cfg(target_arch = "x86_64")]
113 Box::pin(move |mut _task_context| {
115 }).as_mut().resume(0);
117 #[derive(Copy, Clone)]
122 let kind = Nums::NegOne;
123 assert_eq!(-1i128, kind as i128);
125 let options = [1u128];
137 #[cfg(target_arch = "x86_64")]
138 #[target_feature(enable = "sse2")]
139 unsafe fn test_simd() {
140 assert!(is_x86_feature_detected!("sse2"));
142 let x = _mm_setzero_si128();
143 let y = _mm_set1_epi16(7);
144 let or = _mm_or_si128(x, y);
145 let cmp_eq = _mm_cmpeq_epi8(y, y);
146 let cmp_lt = _mm_cmplt_epi8(y, y);
148 assert_eq!(std::mem::transmute::<_, [u16; 8]>(or), [7, 7, 7, 7, 7, 7, 7, 7]);
149 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_eq), [0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff]);
150 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_lt), [0, 0, 0, 0, 0, 0, 0, 0]);
152 test_mm_slli_si128();
153 test_mm_movemask_epi8();
154 test_mm256_movemask_epi8();
157 test_mm_cvtepi8_epi16();
158 test_mm_cvtsi128_si64();
160 test_mm_extract_epi8();
161 test_mm_insert_epi16();
163 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)));
164 assert_eq!(mask1, 1);
167 #[cfg(target_arch = "x86_64")]
168 #[target_feature(enable = "sse2")]
169 unsafe fn test_mm_slli_si128() {
171 let a = _mm_setr_epi8(
172 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
174 let r = _mm_slli_si128(a, 1);
175 let e = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
176 assert_eq_m128i(r, e);
179 let a = _mm_setr_epi8(
180 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
182 let r = _mm_slli_si128(a, 15);
183 let e = _mm_setr_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
184 assert_eq_m128i(r, e);
187 let a = _mm_setr_epi8(
188 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
190 let r = _mm_slli_si128(a, 16);
191 assert_eq_m128i(r, _mm_set1_epi8(0));
194 #[cfg(target_arch = "x86_64")]
195 #[target_feature(enable = "sse2")]
196 unsafe fn test_mm_movemask_epi8() {
198 let a = _mm_setr_epi8(
199 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8, 0b01,
200 0b0101, 0b1111_0000u8 as i8, 0, 0,
201 0, 0, 0b1111_0000u8 as i8, 0b0101,
202 0b01, 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8,
204 let r = _mm_movemask_epi8(a);
205 assert_eq!(r, 0b10100100_00100101);
208 #[cfg(target_arch = "x86_64")]
209 #[target_feature(enable = "avx2")]
210 unsafe fn test_mm256_movemask_epi8() {
211 let a = _mm256_set1_epi8(-1);
212 let r = _mm256_movemask_epi8(a);
217 #[cfg(target_arch = "x86_64")]
218 #[target_feature(enable = "sse2")]
219 unsafe fn test_mm_add_epi8() {
220 let a = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
222 let b = _mm_setr_epi8(
223 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
225 let r = _mm_add_epi8(a, b);
227 let e = _mm_setr_epi8(
228 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46,
230 assert_eq_m128i(r, e);
233 #[cfg(target_arch = "x86_64")]
234 #[target_feature(enable = "sse2")]
235 unsafe fn test_mm_add_pd() {
236 let a = _mm_setr_pd(1.0, 2.0);
237 let b = _mm_setr_pd(5.0, 10.0);
238 let r = _mm_add_pd(a, b);
239 assert_eq_m128d(r, _mm_setr_pd(6.0, 12.0));
242 #[cfg(target_arch = "x86_64")]
243 fn assert_eq_m128i(x: std::arch::x86_64::__m128i, y: std::arch::x86_64::__m128i) {
245 assert_eq!(std::mem::transmute::<_, [u8; 16]>(x), std::mem::transmute::<_, [u8; 16]>(y));
249 #[cfg(target_arch = "x86_64")]
250 #[target_feature(enable = "sse2")]
251 pub unsafe fn assert_eq_m128d(a: __m128d, b: __m128d) {
252 if _mm_movemask_pd(_mm_cmpeq_pd(a, b)) != 0b11 {
253 panic!("{:?} != {:?}", a, b);
257 #[cfg(target_arch = "x86_64")]
258 #[target_feature(enable = "sse2")]
259 unsafe fn test_mm_cvtsi128_si64() {
260 let r = _mm_cvtsi128_si64(std::mem::transmute::<[i64; 2], _>([5, 0]));
264 #[cfg(target_arch = "x86_64")]
265 #[target_feature(enable = "sse4.1")]
266 unsafe fn test_mm_cvtepi8_epi16() {
267 let a = _mm_set1_epi8(10);
268 let r = _mm_cvtepi8_epi16(a);
269 let e = _mm_set1_epi16(10);
270 assert_eq_m128i(r, e);
271 let a = _mm_set1_epi8(-10);
272 let r = _mm_cvtepi8_epi16(a);
273 let e = _mm_set1_epi16(-10);
274 assert_eq_m128i(r, e);
277 #[cfg(target_arch = "x86_64")]
278 #[target_feature(enable = "sse4.1")]
279 unsafe fn test_mm_extract_epi8() {
281 let a = _mm_setr_epi8(
282 -1, 1, 2, 3, 4, 5, 6, 7,
283 8, 9, 10, 11, 12, 13, 14, 15
285 let r1 = _mm_extract_epi8(a, 0);
286 let r2 = _mm_extract_epi8(a, 3);
287 assert_eq!(r1, 0xFF);
291 #[cfg(target_arch = "x86_64")]
292 #[target_feature(enable = "sse2")]
293 unsafe fn test_mm_insert_epi16() {
294 let a = _mm_setr_epi16(0, 1, 2, 3, 4, 5, 6, 7);
295 let r = _mm_insert_epi16(a, 9, 0);
296 let e = _mm_setr_epi16(9, 1, 2, 3, 4, 5, 6, 7);
297 assert_eq_m128i(r, e);
300 fn test_checked_mul() {
301 let u: Option<u8> = u8::from_str_radix("1000", 10).ok();
304 assert_eq!(1u8.checked_mul(255u8), Some(255u8));
305 assert_eq!(255u8.checked_mul(255u8), None);
306 assert_eq!(1i8.checked_mul(127i8), Some(127i8));
307 assert_eq!(127i8.checked_mul(127i8), None);
308 assert_eq!((-1i8).checked_mul(-127i8), Some(127i8));
309 assert_eq!(1i8.checked_mul(-128i8), Some(-128i8));
310 assert_eq!((-128i8).checked_mul(-128i8), None);
312 assert_eq!(1u64.checked_mul(u64::MAX), Some(u64::MAX));
313 assert_eq!(u64::MAX.checked_mul(u64::MAX), None);
314 assert_eq!(1i64.checked_mul(i64::MAX), Some(i64::MAX));
315 assert_eq!(i64::MAX.checked_mul(i64::MAX), None);
316 assert_eq!((-1i64).checked_mul(i64::MIN + 1), Some(i64::MAX));
317 assert_eq!(1i64.checked_mul(i64::MIN), Some(i64::MIN));
318 assert_eq!(i64::MIN.checked_mul(i64::MIN), None);
327 pub enum Instruction {
332 fn map(a: Option<(u8, Box<Instruction>)>) -> Option<Box<Instruction>> {
335 Some((_, instr)) => Some(instr),