1 #![feature(core_intrinsics, generators, generator_trait, is_sorted)]
3 #[cfg(target_arch = "x86_64")]
4 use std::arch::x86_64::*;
6 use std::ops::Generator;
9 println!("{:?}", std::env::args().collect::<Vec<_>>());
11 let mutex = std::sync::Mutex::new(());
12 let _guard = mutex.lock().unwrap();
14 let _ = ::std::iter::repeat('a' as u8).take(10).collect::<Vec<_>>();
15 let stderr = ::std::io::stderr();
16 let mut stderr = stderr.lock();
18 std::thread::spawn(move || {
19 println!("Hello from another thread!");
22 writeln!(stderr, "some {} text", "<unknown>").unwrap();
24 let _ = std::process::Command::new("true").env("c", "d").spawn();
26 println!("cargo:rustc-link-lib=z");
28 static ONCE: std::sync::Once = std::sync::Once::new();
29 ONCE.call_once(|| {});
31 let _eq = LoopState::Continue(()) == LoopState::Break(());
33 // Make sure ByValPair values with differently sized components are correctly passed
34 map(None::<(u8, Box<Instruction>)>);
36 println!("{}", 2.3f32.exp());
37 println!("{}", 2.3f32.exp2());
38 println!("{}", 2.3f32.abs());
39 println!("{}", 2.3f32.sqrt());
40 println!("{}", 2.3f32.floor());
41 println!("{}", 2.3f32.ceil());
42 println!("{}", 2.3f32.min(1.0));
43 println!("{}", 2.3f32.max(1.0));
44 println!("{}", 2.3f32.powi(2));
45 println!("{}", 2.3f32.log2());
46 assert_eq!(2.3f32.copysign(-1.0), -2.3f32);
47 println!("{}", 2.3f32.powf(2.0));
49 assert_eq!(-128i8, (-128i8).saturating_sub(1));
50 assert_eq!(127i8, 127i8.saturating_sub(-128));
51 assert_eq!(-128i8, (-128i8).saturating_add(-128));
52 assert_eq!(127i8, 127i8.saturating_add(1));
54 assert_eq!(0b0000000000000000000000000010000010000000000000000000000000000000_0000000000100000000000000000000000001000000000000100000000000000u128.leading_zeros(), 26);
55 assert_eq!(0b0000000000000000000000000010000000000000000000000000000000000000_0000000000000000000000000000000000001000000000000000000010000000u128.trailing_zeros(), 7);
57 let _d = 0i128.checked_div(2i128);
58 let _d = 0u128.checked_div(2u128);
59 assert_eq!(1u128 + 2, 3);
61 assert_eq!(0b100010000000000000000000000000000u128 >> 10, 0b10001000000000000000000u128);
62 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 >> 64, 0xFEDCBA98765432u128);
63 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 as i128 >> 64, 0xFEDCBA98765432i128);
65 let tmp = 353985398u128;
66 assert_eq!(tmp * 932490u128, 330087843781020u128);
68 let tmp = -0x1234_5678_9ABC_DEF0i64;
69 assert_eq!(tmp as i128, -0x1234_5678_9ABC_DEF0i128);
71 // Check that all u/i128 <-> float casts work correctly.
72 let houndred_u128 = 100u128;
73 let houndred_i128 = 100i128;
74 let houndred_f32 = 100.0f32;
75 let houndred_f64 = 100.0f64;
76 assert_eq!(houndred_u128 as f32, 100.0);
77 assert_eq!(houndred_u128 as f64, 100.0);
78 assert_eq!(houndred_f32 as u128, 100);
79 assert_eq!(houndred_f64 as u128, 100);
80 assert_eq!(houndred_i128 as f32, 100.0);
81 assert_eq!(houndred_i128 as f64, 100.0);
82 assert_eq!(houndred_f32 as i128, 100);
83 assert_eq!(houndred_f64 as i128, 100);
85 // Test signed 128bit comparing
86 let max = usize::MAX as i128;
87 if 100i128 < 0i128 || 100i128 > max {
95 let empty: [i32; 0] = [];
96 assert!(empty.is_sorted());
98 println!("{:?}", std::intrinsics::caller_location());
100 #[cfg(target_arch = "x86_64")]
105 Box::pin(move |mut _task_context| {
107 }).as_mut().resume(0);
109 #[derive(Copy, Clone)]
114 let kind = Nums::NegOne;
115 assert_eq!(-1i128, kind as i128);
117 let options = [1u128];
129 #[cfg(target_arch = "x86_64")]
130 #[target_feature(enable = "sse2")]
131 unsafe fn test_simd() {
132 assert!(is_x86_feature_detected!("sse2"));
134 let x = _mm_setzero_si128();
135 let y = _mm_set1_epi16(7);
136 let or = _mm_or_si128(x, y);
137 let cmp_eq = _mm_cmpeq_epi8(y, y);
138 let cmp_lt = _mm_cmplt_epi8(y, y);
140 assert_eq!(std::mem::transmute::<_, [u16; 8]>(or), [7, 7, 7, 7, 7, 7, 7, 7]);
141 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_eq), [0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff]);
142 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_lt), [0, 0, 0, 0, 0, 0, 0, 0]);
144 test_mm_slli_si128();
145 test_mm_movemask_epi8();
146 test_mm256_movemask_epi8();
149 test_mm_cvtepi8_epi16();
150 test_mm_cvtsi128_si64();
152 test_mm_extract_epi8();
153 test_mm_insert_epi16();
155 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)));
156 assert_eq!(mask1, 1);
159 #[cfg(target_arch = "x86_64")]
160 #[target_feature(enable = "sse2")]
161 unsafe fn test_mm_slli_si128() {
163 let a = _mm_setr_epi8(
164 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
166 let r = _mm_slli_si128(a, 1);
167 let e = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
168 assert_eq_m128i(r, e);
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, 15);
175 let e = _mm_setr_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
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, 16);
183 assert_eq_m128i(r, _mm_set1_epi8(0));
186 let a = _mm_setr_epi8(
187 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
189 let r = _mm_slli_si128(a, -1);
190 assert_eq_m128i(_mm_set1_epi8(0), r);
193 let a = _mm_setr_epi8(
194 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
196 let r = _mm_slli_si128(a, -0x80000000);
197 assert_eq_m128i(r, _mm_set1_epi8(0));
200 #[cfg(target_arch = "x86_64")]
201 #[target_feature(enable = "sse2")]
202 unsafe fn test_mm_movemask_epi8() {
204 let a = _mm_setr_epi8(
205 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8, 0b01,
206 0b0101, 0b1111_0000u8 as i8, 0, 0,
207 0, 0, 0b1111_0000u8 as i8, 0b0101,
208 0b01, 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8,
210 let r = _mm_movemask_epi8(a);
211 assert_eq!(r, 0b10100100_00100101);
214 #[cfg(target_arch = "x86_64")]
215 #[target_feature(enable = "avx2")]
216 unsafe fn test_mm256_movemask_epi8() {
217 let a = _mm256_set1_epi8(-1);
218 let r = _mm256_movemask_epi8(a);
223 #[cfg(target_arch = "x86_64")]
224 #[target_feature(enable = "sse2")]
225 unsafe fn test_mm_add_epi8() {
226 let a = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
228 let b = _mm_setr_epi8(
229 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
231 let r = _mm_add_epi8(a, b);
233 let e = _mm_setr_epi8(
234 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46,
236 assert_eq_m128i(r, e);
239 #[cfg(target_arch = "x86_64")]
240 #[target_feature(enable = "sse2")]
241 unsafe fn test_mm_add_pd() {
242 let a = _mm_setr_pd(1.0, 2.0);
243 let b = _mm_setr_pd(5.0, 10.0);
244 let r = _mm_add_pd(a, b);
245 assert_eq_m128d(r, _mm_setr_pd(6.0, 12.0));
248 #[cfg(target_arch = "x86_64")]
249 fn assert_eq_m128i(x: std::arch::x86_64::__m128i, y: std::arch::x86_64::__m128i) {
251 assert_eq!(std::mem::transmute::<_, [u8; 16]>(x), std::mem::transmute::<_, [u8; 16]>(y));
255 #[cfg(target_arch = "x86_64")]
256 #[target_feature(enable = "sse2")]
257 pub unsafe fn assert_eq_m128d(a: __m128d, b: __m128d) {
258 if _mm_movemask_pd(_mm_cmpeq_pd(a, b)) != 0b11 {
259 panic!("{:?} != {:?}", a, b);
263 #[cfg(target_arch = "x86_64")]
264 #[target_feature(enable = "sse2")]
265 unsafe fn test_mm_cvtsi128_si64() {
266 let r = _mm_cvtsi128_si64(std::mem::transmute::<[i64; 2], _>([5, 0]));
270 #[cfg(target_arch = "x86_64")]
271 #[target_feature(enable = "sse4.1")]
272 unsafe fn test_mm_cvtepi8_epi16() {
273 let a = _mm_set1_epi8(10);
274 let r = _mm_cvtepi8_epi16(a);
275 let e = _mm_set1_epi16(10);
276 assert_eq_m128i(r, e);
277 let a = _mm_set1_epi8(-10);
278 let r = _mm_cvtepi8_epi16(a);
279 let e = _mm_set1_epi16(-10);
280 assert_eq_m128i(r, e);
283 #[cfg(target_arch = "x86_64")]
284 #[target_feature(enable = "sse4.1")]
285 unsafe fn test_mm_extract_epi8() {
287 let a = _mm_setr_epi8(
288 -1, 1, 2, 3, 4, 5, 6, 7,
289 8, 9, 10, 11, 12, 13, 14, 15
291 let r1 = _mm_extract_epi8(a, 0);
292 let r2 = _mm_extract_epi8(a, 19);
293 assert_eq!(r1, 0xFF);
297 #[cfg(target_arch = "x86_64")]
298 #[target_feature(enable = "sse2")]
299 unsafe fn test_mm_insert_epi16() {
300 let a = _mm_setr_epi16(0, 1, 2, 3, 4, 5, 6, 7);
301 let r = _mm_insert_epi16(a, 9, 0);
302 let e = _mm_setr_epi16(9, 1, 2, 3, 4, 5, 6, 7);
303 assert_eq_m128i(r, e);
306 fn test_checked_mul() {
307 let u: Option<u8> = u8::from_str_radix("1000", 10).ok();
310 assert_eq!(1u8.checked_mul(255u8), Some(255u8));
311 assert_eq!(255u8.checked_mul(255u8), None);
312 assert_eq!(1i8.checked_mul(127i8), Some(127i8));
313 assert_eq!(127i8.checked_mul(127i8), None);
314 assert_eq!((-1i8).checked_mul(-127i8), Some(127i8));
315 assert_eq!(1i8.checked_mul(-128i8), Some(-128i8));
316 assert_eq!((-128i8).checked_mul(-128i8), None);
318 assert_eq!(1u64.checked_mul(u64::MAX), Some(u64::MAX));
319 assert_eq!(u64::MAX.checked_mul(u64::MAX), None);
320 assert_eq!(1i64.checked_mul(i64::MAX), Some(i64::MAX));
321 assert_eq!(i64::MAX.checked_mul(i64::MAX), None);
322 assert_eq!((-1i64).checked_mul(i64::MIN + 1), Some(i64::MAX));
323 assert_eq!(1i64.checked_mul(i64::MIN), Some(i64::MIN));
324 assert_eq!(i64::MIN.checked_mul(i64::MIN), None);
333 pub enum Instruction {
338 fn map(a: Option<(u8, Box<Instruction>)>) -> Option<Box<Instruction>> {
341 Some((_, instr)) => Some(instr),