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 // FIXME support lazy jit when multi threading
20 std::thread::spawn(move || {
21 println!("Hello from another thread!");
24 writeln!(stderr, "some {} text", "<unknown>").unwrap();
26 let _ = std::process::Command::new("true").env("c", "d").spawn();
28 println!("cargo:rustc-link-lib=z");
30 static ONCE: std::sync::Once = std::sync::Once::new();
31 ONCE.call_once(|| {});
33 let _eq = LoopState::Continue(()) == LoopState::Break(());
35 // Make sure ByValPair values with differently sized components are correctly passed
36 map(None::<(u8, Box<Instruction>)>);
38 println!("{}", 2.3f32.exp());
39 println!("{}", 2.3f32.exp2());
40 println!("{}", 2.3f32.abs());
41 println!("{}", 2.3f32.sqrt());
42 println!("{}", 2.3f32.floor());
43 println!("{}", 2.3f32.ceil());
44 println!("{}", 2.3f32.min(1.0));
45 println!("{}", 2.3f32.max(1.0));
46 println!("{}", 2.3f32.powi(2));
47 println!("{}", 2.3f32.log2());
48 assert_eq!(2.3f32.copysign(-1.0), -2.3f32);
49 println!("{}", 2.3f32.powf(2.0));
51 assert_eq!(i64::MAX.checked_mul(2), None);
53 assert_eq!(-128i8, (-128i8).saturating_sub(1));
54 assert_eq!(127i8, 127i8.saturating_sub(-128));
55 assert_eq!(-128i8, (-128i8).saturating_add(-128));
56 assert_eq!(127i8, 127i8.saturating_add(1));
58 assert_eq!(0b0000000000000000000000000010000010000000000000000000000000000000_0000000000100000000000000000000000001000000000000100000000000000u128.leading_zeros(), 26);
59 assert_eq!(0b0000000000000000000000000010000000000000000000000000000000000000_0000000000000000000000000000000000001000000000000000000010000000u128.trailing_zeros(), 7);
60 assert_eq!(core::intrinsics::saturating_sub(0, -170141183460469231731687303715884105728i128), 170141183460469231731687303715884105727i128);
62 let _d = 0i128.checked_div(2i128);
63 let _d = 0u128.checked_div(2u128);
64 assert_eq!(1u128 + 2, 3);
66 assert_eq!(0b100010000000000000000000000000000u128 >> 10, 0b10001000000000000000000u128);
67 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 >> 64, 0xFEDCBA98765432u128);
68 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 as i128 >> 64, 0xFEDCBA98765432i128);
70 let tmp = 353985398u128;
71 assert_eq!(tmp * 932490u128, 330087843781020u128);
73 let tmp = -0x1234_5678_9ABC_DEF0i64;
74 assert_eq!(tmp as i128, -0x1234_5678_9ABC_DEF0i128);
76 // Check that all u/i128 <-> float casts work correctly.
77 let houndred_u128 = 100u128;
78 let houndred_i128 = 100i128;
79 let houndred_f32 = 100.0f32;
80 let houndred_f64 = 100.0f64;
81 assert_eq!(houndred_u128 as f32, 100.0);
82 assert_eq!(houndred_u128 as f64, 100.0);
83 assert_eq!(houndred_f32 as u128, 100);
84 assert_eq!(houndred_f64 as u128, 100);
85 assert_eq!(houndred_i128 as f32, 100.0);
86 assert_eq!(houndred_i128 as f64, 100.0);
87 assert_eq!(houndred_f32 as i128, 100);
88 assert_eq!(houndred_f64 as i128, 100);
89 assert_eq!(1u128.rotate_left(2), 4);
91 // Test signed 128bit comparing
92 let max = usize::MAX as i128;
93 if 100i128 < 0i128 || 100i128 > max {
101 let empty: [i32; 0] = [];
102 assert!(empty.is_sorted());
104 println!("{:?}", std::intrinsics::caller_location());
106 #[cfg(target_arch = "x86_64")]
111 Box::pin(move |mut _task_context| {
113 }).as_mut().resume(0);
115 #[derive(Copy, Clone)]
120 let kind = Nums::NegOne;
121 assert_eq!(-1i128, kind as i128);
123 let options = [1u128];
135 #[cfg(target_arch = "x86_64")]
136 #[target_feature(enable = "sse2")]
137 unsafe fn test_simd() {
138 assert!(is_x86_feature_detected!("sse2"));
140 let x = _mm_setzero_si128();
141 let y = _mm_set1_epi16(7);
142 let or = _mm_or_si128(x, y);
143 let cmp_eq = _mm_cmpeq_epi8(y, y);
144 let cmp_lt = _mm_cmplt_epi8(y, y);
146 assert_eq!(std::mem::transmute::<_, [u16; 8]>(or), [7, 7, 7, 7, 7, 7, 7, 7]);
147 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_eq), [0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff]);
148 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_lt), [0, 0, 0, 0, 0, 0, 0, 0]);
150 test_mm_slli_si128();
151 test_mm_movemask_epi8();
152 test_mm256_movemask_epi8();
155 test_mm_cvtepi8_epi16();
156 test_mm_cvtsi128_si64();
158 test_mm_extract_epi8();
159 test_mm_insert_epi16();
161 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)));
162 assert_eq!(mask1, 1);
165 #[cfg(target_arch = "x86_64")]
166 #[target_feature(enable = "sse2")]
167 unsafe fn test_mm_slli_si128() {
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 let e = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
174 assert_eq_m128i(r, e);
177 let a = _mm_setr_epi8(
178 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
180 let r = _mm_slli_si128(a, 15);
181 let e = _mm_setr_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
182 assert_eq_m128i(r, e);
185 let a = _mm_setr_epi8(
186 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
188 let r = _mm_slli_si128(a, 16);
189 assert_eq_m128i(r, _mm_set1_epi8(0));
192 let a = _mm_setr_epi8(
193 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
195 let r = _mm_slli_si128(a, -1);
196 assert_eq_m128i(_mm_set1_epi8(0), r);
199 let a = _mm_setr_epi8(
200 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
202 let r = _mm_slli_si128(a, -0x80000000);
203 assert_eq_m128i(r, _mm_set1_epi8(0));
206 #[cfg(target_arch = "x86_64")]
207 #[target_feature(enable = "sse2")]
208 unsafe fn test_mm_movemask_epi8() {
210 let a = _mm_setr_epi8(
211 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8, 0b01,
212 0b0101, 0b1111_0000u8 as i8, 0, 0,
213 0, 0, 0b1111_0000u8 as i8, 0b0101,
214 0b01, 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8,
216 let r = _mm_movemask_epi8(a);
217 assert_eq!(r, 0b10100100_00100101);
220 #[cfg(target_arch = "x86_64")]
221 #[target_feature(enable = "avx2")]
222 unsafe fn test_mm256_movemask_epi8() {
223 let a = _mm256_set1_epi8(-1);
224 let r = _mm256_movemask_epi8(a);
229 #[cfg(target_arch = "x86_64")]
230 #[target_feature(enable = "sse2")]
231 unsafe fn test_mm_add_epi8() {
232 let a = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
234 let b = _mm_setr_epi8(
235 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
237 let r = _mm_add_epi8(a, b);
239 let e = _mm_setr_epi8(
240 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46,
242 assert_eq_m128i(r, e);
245 #[cfg(target_arch = "x86_64")]
246 #[target_feature(enable = "sse2")]
247 unsafe fn test_mm_add_pd() {
248 let a = _mm_setr_pd(1.0, 2.0);
249 let b = _mm_setr_pd(5.0, 10.0);
250 let r = _mm_add_pd(a, b);
251 assert_eq_m128d(r, _mm_setr_pd(6.0, 12.0));
254 #[cfg(target_arch = "x86_64")]
255 fn assert_eq_m128i(x: std::arch::x86_64::__m128i, y: std::arch::x86_64::__m128i) {
257 assert_eq!(std::mem::transmute::<_, [u8; 16]>(x), std::mem::transmute::<_, [u8; 16]>(y));
261 #[cfg(target_arch = "x86_64")]
262 #[target_feature(enable = "sse2")]
263 pub unsafe fn assert_eq_m128d(a: __m128d, b: __m128d) {
264 if _mm_movemask_pd(_mm_cmpeq_pd(a, b)) != 0b11 {
265 panic!("{:?} != {:?}", a, b);
269 #[cfg(target_arch = "x86_64")]
270 #[target_feature(enable = "sse2")]
271 unsafe fn test_mm_cvtsi128_si64() {
272 let r = _mm_cvtsi128_si64(std::mem::transmute::<[i64; 2], _>([5, 0]));
276 #[cfg(target_arch = "x86_64")]
277 #[target_feature(enable = "sse4.1")]
278 unsafe fn test_mm_cvtepi8_epi16() {
279 let a = _mm_set1_epi8(10);
280 let r = _mm_cvtepi8_epi16(a);
281 let e = _mm_set1_epi16(10);
282 assert_eq_m128i(r, e);
283 let a = _mm_set1_epi8(-10);
284 let r = _mm_cvtepi8_epi16(a);
285 let e = _mm_set1_epi16(-10);
286 assert_eq_m128i(r, e);
289 #[cfg(target_arch = "x86_64")]
290 #[target_feature(enable = "sse4.1")]
291 unsafe fn test_mm_extract_epi8() {
293 let a = _mm_setr_epi8(
294 -1, 1, 2, 3, 4, 5, 6, 7,
295 8, 9, 10, 11, 12, 13, 14, 15
297 let r1 = _mm_extract_epi8(a, 0);
298 let r2 = _mm_extract_epi8(a, 19);
299 assert_eq!(r1, 0xFF);
303 #[cfg(target_arch = "x86_64")]
304 #[target_feature(enable = "sse2")]
305 unsafe fn test_mm_insert_epi16() {
306 let a = _mm_setr_epi16(0, 1, 2, 3, 4, 5, 6, 7);
307 let r = _mm_insert_epi16(a, 9, 0);
308 let e = _mm_setr_epi16(9, 1, 2, 3, 4, 5, 6, 7);
309 assert_eq_m128i(r, e);
312 fn test_checked_mul() {
313 let u: Option<u8> = u8::from_str_radix("1000", 10).ok();
316 assert_eq!(1u8.checked_mul(255u8), Some(255u8));
317 assert_eq!(255u8.checked_mul(255u8), None);
318 assert_eq!(1i8.checked_mul(127i8), Some(127i8));
319 assert_eq!(127i8.checked_mul(127i8), None);
320 assert_eq!((-1i8).checked_mul(-127i8), Some(127i8));
321 assert_eq!(1i8.checked_mul(-128i8), Some(-128i8));
322 assert_eq!((-128i8).checked_mul(-128i8), None);
324 assert_eq!(1u64.checked_mul(u64::MAX), Some(u64::MAX));
325 assert_eq!(u64::MAX.checked_mul(u64::MAX), None);
326 assert_eq!(1i64.checked_mul(i64::MAX), Some(i64::MAX));
327 assert_eq!(i64::MAX.checked_mul(i64::MAX), None);
328 assert_eq!((-1i64).checked_mul(i64::MIN + 1), Some(i64::MAX));
329 assert_eq!(1i64.checked_mul(i64::MIN), Some(i64::MIN));
330 assert_eq!(i64::MIN.checked_mul(i64::MIN), None);
339 pub enum Instruction {
344 fn map(a: Option<(u8, Box<Instruction>)>) -> Option<Box<Instruction>> {
347 Some((_, instr)) => Some(instr),