1 #![feature(core_intrinsics, generators, generator_trait, is_sorted)]
3 use std::arch::x86_64::*;
5 use std::ops::Generator;
8 pub fn printf(format: *const i8, ...) -> i32;
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!(-128i8, (-128i8).saturating_sub(1));
51 assert_eq!(127i8, 127i8.saturating_sub(-128));
52 assert_eq!(-128i8, (-128i8).saturating_add(-128));
53 assert_eq!(127i8, 127i8.saturating_add(1));
55 assert_eq!(-32768i16, (-32768i16).saturating_add(-32768));
56 assert_eq!(32767i16, 32767i16.saturating_add(1));
58 assert_eq!(0b0000000000000000000000000010000010000000000000000000000000000000_0000000000100000000000000000000000001000000000000100000000000000u128.leading_zeros(), 26);
59 assert_eq!(0b0000000000000000000000000010000000000000000000000000000000000000_0000000000000000000000000000000000001000000000000000000010000000u128.trailing_zeros(), 7);
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);
91 let empty: [i32; 0] = [];
92 assert!(empty.is_sorted());
94 println!("{:?}", std::intrinsics::caller_location());
100 Box::pin(move |mut _task_context| {
102 }).as_mut().resume(0);
107 /*#[target_feature(enable = "sse2")]
108 unsafe fn test_simd() {
109 let x = _mm_setzero_si128();
110 let y = _mm_set1_epi16(7);
111 let or = _mm_or_si128(x, y);
112 let cmp_eq = _mm_cmpeq_epi8(y, y);
113 let cmp_lt = _mm_cmplt_epi8(y, y);
115 /*assert_eq!(std::mem::transmute::<_, [u16; 8]>(or), [7, 7, 7, 7, 7, 7, 7, 7]);
116 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_eq), [0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff]);
117 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_lt), [0, 0, 0, 0, 0, 0, 0, 0]);
119 test_mm_slli_si128();
120 test_mm_movemask_epi8();
121 test_mm256_movemask_epi8();
124 test_mm_cvtepi8_epi16();
125 test_mm_cvtsi128_si64();
127 // FIXME(#666) implement `#[rustc_arg_required_const(..)]` support
128 //test_mm_extract_epi8();
130 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)));
131 assert_eq!(mask1, 1);*/
134 /*#[target_feature(enable = "sse2")]
135 unsafe fn test_mm_slli_si128() {
137 let a = _mm_setr_epi8(
138 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
140 let r = _mm_slli_si128(a, 1);
141 let e = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
142 assert_eq_m128i(r, e);
145 let a = _mm_setr_epi8(
146 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
148 let r = _mm_slli_si128(a, 15);
149 let e = _mm_setr_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
150 assert_eq_m128i(r, e);
153 let a = _mm_setr_epi8(
154 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
156 let r = _mm_slli_si128(a, 16);
157 assert_eq_m128i(r, _mm_set1_epi8(0));
160 let a = _mm_setr_epi8(
161 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
163 let r = _mm_slli_si128(a, -1);
164 assert_eq_m128i(_mm_set1_epi8(0), r);
167 let a = _mm_setr_epi8(
168 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
170 let r = _mm_slli_si128(a, -0x80000000);
171 assert_eq_m128i(r, _mm_set1_epi8(0));
174 #[target_feature(enable = "sse2")]
175 unsafe fn test_mm_movemask_epi8() {
177 let a = _mm_setr_epi8(
178 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8, 0b01,
179 0b0101, 0b1111_0000u8 as i8, 0, 0,
180 0, 0, 0b1111_0000u8 as i8, 0b0101,
181 0b01, 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8,
183 let r = _mm_movemask_epi8(a);
184 assert_eq!(r, 0b10100100_00100101);
187 #[target_feature(enable = "avx2")]
188 unsafe fn test_mm256_movemask_epi8() {
189 let a = _mm256_set1_epi8(-1);
190 let r = _mm256_movemask_epi8(a);
195 #[target_feature(enable = "sse2")]
196 unsafe fn test_mm_add_epi8() {
197 let a = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
199 let b = _mm_setr_epi8(
200 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
202 let r = _mm_add_epi8(a, b);
204 let e = _mm_setr_epi8(
205 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46,
207 assert_eq_m128i(r, e);
210 #[target_feature(enable = "sse2")]
211 unsafe fn test_mm_add_pd() {
212 let a = _mm_setr_pd(1.0, 2.0);
213 let b = _mm_setr_pd(5.0, 10.0);
214 let r = _mm_add_pd(a, b);
215 assert_eq_m128d(r, _mm_setr_pd(6.0, 12.0));
218 fn assert_eq_m128i(x: std::arch::x86_64::__m128i, y: std::arch::x86_64::__m128i) {
220 assert_eq!(std::mem::transmute::<_, [u8; 16]>(x), std::mem::transmute::<_, [u8; 16]>(y));
224 #[target_feature(enable = "sse2")]
225 pub unsafe fn assert_eq_m128d(a: __m128d, b: __m128d) {
226 if _mm_movemask_pd(_mm_cmpeq_pd(a, b)) != 0b11 {
227 panic!("{:?} != {:?}", a, b);
231 #[target_feature(enable = "sse2")]
232 unsafe fn test_mm_cvtsi128_si64() {
233 let r = _mm_cvtsi128_si64(std::mem::transmute::<[i64; 2], _>([5, 0]));
237 #[target_feature(enable = "sse4.1")]
238 unsafe fn test_mm_cvtepi8_epi16() {
239 let a = _mm_set1_epi8(10);
240 let r = _mm_cvtepi8_epi16(a);
241 let e = _mm_set1_epi16(10);
242 assert_eq_m128i(r, e);
243 let a = _mm_set1_epi8(-10);
244 let r = _mm_cvtepi8_epi16(a);
245 let e = _mm_set1_epi16(-10);
246 assert_eq_m128i(r, e);
249 #[target_feature(enable = "sse4.1")]
250 unsafe fn test_mm_extract_epi8() {
252 let a = _mm_setr_epi8(
253 -1, 1, 2, 3, 4, 5, 6, 7,
254 8, 9, 10, 11, 12, 13, 14, 15
256 let r1 = _mm_extract_epi8(a, 0);
257 let r2 = _mm_extract_epi8(a, 19);
258 assert_eq!(r1, 0xFF);
268 pub enum Instruction {
273 fn map(a: Option<(u8, Box<Instruction>)>) -> Option<Box<Instruction>> {
276 Some((_, instr)) => Some(instr),