1 #![feature(core_intrinsics, generators, generator_trait, is_sorted)]
3 use std::arch::x86_64::*;
5 use std::ops::Generator;
8 let mutex = std::sync::Mutex::new(());
9 let _guard = mutex.lock().unwrap();
11 let _ = ::std::iter::repeat('a' as u8).take(10).collect::<Vec<_>>();
12 let stderr = ::std::io::stderr();
13 let mut stderr = stderr.lock();
15 std::thread::spawn(move || {
16 println!("Hello from another thread!");
19 writeln!(stderr, "some {} text", "<unknown>").unwrap();
21 let _ = std::process::Command::new("true").env("c", "d").spawn();
23 println!("cargo:rustc-link-lib=z");
25 static ONCE: std::sync::Once = std::sync::Once::new();
26 ONCE.call_once(|| {});
28 let _eq = LoopState::Continue(()) == LoopState::Break(());
30 // Make sure ByValPair values with differently sized components are correctly passed
31 map(None::<(u8, Box<Instruction>)>);
33 println!("{}", 2.3f32.exp());
34 println!("{}", 2.3f32.exp2());
35 println!("{}", 2.3f32.abs());
36 println!("{}", 2.3f32.sqrt());
37 println!("{}", 2.3f32.floor());
38 println!("{}", 2.3f32.ceil());
39 println!("{}", 2.3f32.min(1.0));
40 println!("{}", 2.3f32.max(1.0));
41 println!("{}", 2.3f32.powi(2));
42 println!("{}", 2.3f32.log2());
43 assert_eq!(2.3f32.copysign(-1.0), -2.3f32);
44 println!("{}", 2.3f32.powf(2.0));
46 assert_eq!(-128i8, (-128i8).saturating_sub(1));
47 assert_eq!(127i8, 127i8.saturating_sub(-128));
48 assert_eq!(-128i8, (-128i8).saturating_add(-128));
49 assert_eq!(127i8, 127i8.saturating_add(1));
51 assert_eq!(0b0000000000000000000000000010000010000000000000000000000000000000_0000000000100000000000000000000000001000000000000100000000000000u128.leading_zeros(), 26);
52 assert_eq!(0b0000000000000000000000000010000000000000000000000000000000000000_0000000000000000000000000000000000001000000000000000000010000000u128.trailing_zeros(), 7);
54 let _d = 0i128.checked_div(2i128);
55 let _d = 0u128.checked_div(2u128);
56 assert_eq!(1u128 + 2, 3);
58 assert_eq!(0b100010000000000000000000000000000u128 >> 10, 0b10001000000000000000000u128);
59 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 >> 64, 0xFEDCBA98765432u128);
60 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 as i128 >> 64, 0xFEDCBA98765432i128);
62 let tmp = 353985398u128;
63 assert_eq!(tmp * 932490u128, 330087843781020u128);
65 let tmp = -0x1234_5678_9ABC_DEF0i64;
66 assert_eq!(tmp as i128, -0x1234_5678_9ABC_DEF0i128);
68 // Check that all u/i128 <-> float casts work correctly.
69 let houndred_u128 = 100u128;
70 let houndred_i128 = 100i128;
71 let houndred_f32 = 100.0f32;
72 let houndred_f64 = 100.0f64;
73 assert_eq!(houndred_u128 as f32, 100.0);
74 assert_eq!(houndred_u128 as f64, 100.0);
75 assert_eq!(houndred_f32 as u128, 100);
76 assert_eq!(houndred_f64 as u128, 100);
77 assert_eq!(houndred_i128 as f32, 100.0);
78 assert_eq!(houndred_i128 as f64, 100.0);
79 assert_eq!(houndred_f32 as i128, 100);
80 assert_eq!(houndred_f64 as i128, 100);
84 let empty: [i32; 0] = [];
85 assert!(empty.is_sorted());
87 println!("{:?}", std::intrinsics::caller_location());
93 Box::pin(move |mut _task_context| {
95 }).as_mut().resume(0);
98 #[target_feature(enable = "sse2")]
99 unsafe fn test_simd() {
100 let x = _mm_setzero_si128();
101 let y = _mm_set1_epi16(7);
102 let or = _mm_or_si128(x, y);
103 let cmp_eq = _mm_cmpeq_epi8(y, y);
104 let cmp_lt = _mm_cmplt_epi8(y, y);
106 assert_eq!(std::mem::transmute::<_, [u16; 8]>(or), [7, 7, 7, 7, 7, 7, 7, 7]);
107 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_eq), [0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff]);
108 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_lt), [0, 0, 0, 0, 0, 0, 0, 0]);
110 test_mm_slli_si128();
111 test_mm_movemask_epi8();
112 test_mm256_movemask_epi8();
115 test_mm_cvtepi8_epi16();
116 test_mm_cvtsi128_si64();
118 // FIXME(#666) implement `#[rustc_arg_required_const(..)]` support
119 //test_mm_extract_epi8();
121 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)));
122 assert_eq!(mask1, 1);
125 #[target_feature(enable = "sse2")]
126 unsafe fn test_mm_slli_si128() {
128 let a = _mm_setr_epi8(
129 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
131 let r = _mm_slli_si128(a, 1);
132 let e = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
133 assert_eq_m128i(r, e);
136 let a = _mm_setr_epi8(
137 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
139 let r = _mm_slli_si128(a, 15);
140 let e = _mm_setr_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
141 assert_eq_m128i(r, e);
144 let a = _mm_setr_epi8(
145 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
147 let r = _mm_slli_si128(a, 16);
148 assert_eq_m128i(r, _mm_set1_epi8(0));
151 let a = _mm_setr_epi8(
152 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
154 let r = _mm_slli_si128(a, -1);
155 assert_eq_m128i(_mm_set1_epi8(0), r);
158 let a = _mm_setr_epi8(
159 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
161 let r = _mm_slli_si128(a, -0x80000000);
162 assert_eq_m128i(r, _mm_set1_epi8(0));
165 #[target_feature(enable = "sse2")]
166 unsafe fn test_mm_movemask_epi8() {
168 let a = _mm_setr_epi8(
169 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8, 0b01,
170 0b0101, 0b1111_0000u8 as i8, 0, 0,
171 0, 0, 0b1111_0000u8 as i8, 0b0101,
172 0b01, 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8,
174 let r = _mm_movemask_epi8(a);
175 assert_eq!(r, 0b10100100_00100101);
178 #[target_feature(enable = "avx2")]
179 unsafe fn test_mm256_movemask_epi8() {
180 let a = _mm256_set1_epi8(-1);
181 let r = _mm256_movemask_epi8(a);
186 #[target_feature(enable = "sse2")]
187 unsafe fn test_mm_add_epi8() {
188 let a = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
190 let b = _mm_setr_epi8(
191 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
193 let r = _mm_add_epi8(a, b);
195 let e = _mm_setr_epi8(
196 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46,
198 assert_eq_m128i(r, e);
201 #[target_feature(enable = "sse2")]
202 unsafe fn test_mm_add_pd() {
203 let a = _mm_setr_pd(1.0, 2.0);
204 let b = _mm_setr_pd(5.0, 10.0);
205 let r = _mm_add_pd(a, b);
206 assert_eq_m128d(r, _mm_setr_pd(6.0, 12.0));
209 fn assert_eq_m128i(x: std::arch::x86_64::__m128i, y: std::arch::x86_64::__m128i) {
211 assert_eq!(std::mem::transmute::<_, [u8; 16]>(x), std::mem::transmute::<_, [u8; 16]>(y));
215 #[target_feature(enable = "sse2")]
216 pub unsafe fn assert_eq_m128d(a: __m128d, b: __m128d) {
217 if _mm_movemask_pd(_mm_cmpeq_pd(a, b)) != 0b11 {
218 panic!("{:?} != {:?}", a, b);
222 #[target_feature(enable = "sse2")]
223 unsafe fn test_mm_cvtsi128_si64() {
224 let r = _mm_cvtsi128_si64(std::mem::transmute::<[i64; 2], _>([5, 0]));
228 #[target_feature(enable = "sse4.1")]
229 unsafe fn test_mm_cvtepi8_epi16() {
230 let a = _mm_set1_epi8(10);
231 let r = _mm_cvtepi8_epi16(a);
232 let e = _mm_set1_epi16(10);
233 assert_eq_m128i(r, e);
234 let a = _mm_set1_epi8(-10);
235 let r = _mm_cvtepi8_epi16(a);
236 let e = _mm_set1_epi16(-10);
237 assert_eq_m128i(r, e);
240 #[target_feature(enable = "sse4.1")]
241 unsafe fn test_mm_extract_epi8() {
243 let a = _mm_setr_epi8(
244 -1, 1, 2, 3, 4, 5, 6, 7,
245 8, 9, 10, 11, 12, 13, 14, 15
247 let r1 = _mm_extract_epi8(a, 0);
248 let r2 = _mm_extract_epi8(a, 19);
249 assert_eq!(r1, 0xFF);
259 pub enum Instruction {
264 fn map(a: Option<(u8, Box<Instruction>)>) -> Option<Box<Instruction>> {
267 Some((_, instr)) => Some(instr),