1 #![feature(core_intrinsics)]
4 use std::arch::x86_64::*;
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!("{:?}", unsafe { std::intrinsics::caller_location() });
94 #[target_feature(enable = "sse2")]
95 unsafe fn test_simd() {
96 let x = _mm_setzero_si128();
97 let y = _mm_set1_epi16(7);
98 let or = _mm_or_si128(x, y);
99 let cmp_eq = _mm_cmpeq_epi8(y, y);
100 let cmp_lt = _mm_cmplt_epi8(y, y);
102 assert_eq!(std::mem::transmute::<_, [u16; 8]>(or), [7, 7, 7, 7, 7, 7, 7, 7]);
103 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_eq), [0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff]);
104 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_lt), [0, 0, 0, 0, 0, 0, 0, 0]);
106 test_mm_slli_si128();
107 test_mm_movemask_epi8();
108 test_mm256_movemask_epi8();
111 test_mm_cvtepi8_epi16();
112 test_mm_cvtsi128_si64();
114 // FIXME(#666) implement `#[rustc_arg_required_const(..)]` support
115 //test_mm_extract_epi8();
117 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)));
118 assert_eq!(mask1, 1);
121 #[target_feature(enable = "sse2")]
122 unsafe fn test_mm_slli_si128() {
124 let a = _mm_setr_epi8(
125 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
127 let r = _mm_slli_si128(a, 1);
128 let e = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
129 assert_eq_m128i(r, e);
132 let a = _mm_setr_epi8(
133 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
135 let r = _mm_slli_si128(a, 15);
136 let e = _mm_setr_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
137 assert_eq_m128i(r, e);
140 let a = _mm_setr_epi8(
141 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
143 let r = _mm_slli_si128(a, 16);
144 assert_eq_m128i(r, _mm_set1_epi8(0));
147 let a = _mm_setr_epi8(
148 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
150 let r = _mm_slli_si128(a, -1);
151 assert_eq_m128i(_mm_set1_epi8(0), r);
154 let a = _mm_setr_epi8(
155 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
157 let r = _mm_slli_si128(a, -0x80000000);
158 assert_eq_m128i(r, _mm_set1_epi8(0));
161 #[target_feature(enable = "sse2")]
162 unsafe fn test_mm_movemask_epi8() {
164 let a = _mm_setr_epi8(
165 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8, 0b01,
166 0b0101, 0b1111_0000u8 as i8, 0, 0,
167 0, 0, 0b1111_0000u8 as i8, 0b0101,
168 0b01, 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8,
170 let r = _mm_movemask_epi8(a);
171 assert_eq!(r, 0b10100100_00100101);
174 #[target_feature(enable = "avx2")]
175 unsafe fn test_mm256_movemask_epi8() {
176 let a = _mm256_set1_epi8(-1);
177 let r = _mm256_movemask_epi8(a);
182 #[target_feature(enable = "sse2")]
183 unsafe fn test_mm_add_epi8() {
184 let a = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
186 let b = _mm_setr_epi8(
187 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
189 let r = _mm_add_epi8(a, b);
191 let e = _mm_setr_epi8(
192 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46,
194 assert_eq_m128i(r, e);
197 #[target_feature(enable = "sse2")]
198 unsafe fn test_mm_add_pd() {
199 let a = _mm_setr_pd(1.0, 2.0);
200 let b = _mm_setr_pd(5.0, 10.0);
201 let r = _mm_add_pd(a, b);
202 assert_eq_m128d(r, _mm_setr_pd(6.0, 12.0));
205 fn assert_eq_m128i(x: std::arch::x86_64::__m128i, y: std::arch::x86_64::__m128i) {
207 assert_eq!(std::mem::transmute::<_, [u8; 16]>(x), std::mem::transmute::<_, [u8; 16]>(y));
211 #[target_feature(enable = "sse2")]
212 pub unsafe fn assert_eq_m128d(a: __m128d, b: __m128d) {
213 if _mm_movemask_pd(_mm_cmpeq_pd(a, b)) != 0b11 {
214 panic!("{:?} != {:?}", a, b);
218 #[target_feature(enable = "sse2")]
219 unsafe fn test_mm_cvtsi128_si64() {
220 let r = _mm_cvtsi128_si64(std::mem::transmute::<[i64; 2], _>([5, 0]));
224 #[target_feature(enable = "sse4.1")]
225 unsafe fn test_mm_cvtepi8_epi16() {
226 let a = _mm_set1_epi8(10);
227 let r = _mm_cvtepi8_epi16(a);
228 let e = _mm_set1_epi16(10);
229 assert_eq_m128i(r, e);
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);
236 #[target_feature(enable = "sse4.1")]
237 unsafe fn test_mm_extract_epi8() {
239 let a = _mm_setr_epi8(
240 -1, 1, 2, 3, 4, 5, 6, 7,
241 8, 9, 10, 11, 12, 13, 14, 15
243 let r1 = _mm_extract_epi8(a, 0);
244 let r2 = _mm_extract_epi8(a, 19);
245 assert_eq!(r1, 0xFF);
255 pub enum Instruction {
260 fn map(a: Option<(u8, Box<Instruction>)>) -> Option<Box<Instruction>> {
263 Some((_, instr)) => Some(instr),