1 #![feature(core_intrinsics)]
3 use std::arch::x86_64::*;
9 let mutex = std::sync::Mutex::new(());
10 mutex.lock().unwrap();
12 let _ = ::std::iter::repeat('a' as u8).take(10).collect::<Vec<_>>();
13 let stderr = ::std::io::stderr();
14 let mut stderr = stderr.lock();
16 writeln!(stderr, "some {} text", "<unknown>").unwrap();
18 let _ = std::process::Command::new("true").env("c", "d").spawn();
20 println!("cargo:rustc-link-lib=z");
22 static ONCE: std::sync::Once = std::sync::ONCE_INIT;
23 ONCE.call_once(|| {});
25 LoopState::Continue(()) == LoopState::Break(());
27 // Make sure ByValPair values with differently sized components are correctly passed
28 map(None::<(u8, Box<Instruction>)>);
30 println!("{}", 2.3f32.exp());
31 println!("{}", 2.3f32.exp2());
32 println!("{}", 2.3f32.abs());
33 println!("{}", 2.3f32.sqrt());
34 println!("{}", 2.3f32.floor());
35 println!("{}", 2.3f32.ceil());
36 println!("{}", 2.3f32.min(1.0));
37 println!("{}", 2.3f32.max(1.0));
38 println!("{}", 2.3f32.powi(2));
40 assert_eq!(0b0000000000000000000000000010000010000000000000000000000000000000_0000000000100000000000000000000000001000000000000100000000000000u128.leading_zeros(), 26);
41 assert_eq!(0b0000000000000000000000000010000000000000000000000000000000000000_0000000000000000000000000000000000001000000000000000000010000000u128.trailing_zeros(), 7);
43 0i128.checked_div(2i128);
44 0u128.checked_div(2u128);
45 assert_eq!(1u128 + 2, 3);
47 assert_eq!(0b100010000000000000000000000000000u128 >> 10, 0b10001000000000000000000u128);
48 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 >> 64, 0xFEDCBA98765432u128);
49 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 as i128 >> 64, 0xFEDCBA98765432i128);
50 assert_eq!(353985398u128 * 932490u128, 330087843781020u128);
57 #[target_feature(enable = "sse2")]
58 unsafe fn test_simd() {
59 let x = _mm_setzero_si128();
60 let y = _mm_set1_epi16(7);
61 let or = _mm_or_si128(x, y);
62 let cmp_eq = _mm_cmpeq_epi8(y, y);
63 let cmp_lt = _mm_cmplt_epi8(y, y);
65 assert_eq!(std::mem::transmute::<_, [u16; 8]>(or), [7, 7, 7, 7, 7, 7, 7, 7]);
66 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_eq), [0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff]);
67 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_lt), [0, 0, 0, 0, 0, 0, 0, 0]);
70 test_mm_movemask_epi8();
71 test_mm256_movemask_epi8();
74 test_mm_cvtepi8_epi16();
76 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)));
80 #[target_feature(enable = "sse2")]
81 unsafe fn test_mm_slli_si128() {
83 let a = _mm_setr_epi8(
84 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
86 let r = _mm_slli_si128(a, 1);
87 let e = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
88 assert_eq_m128i(r, e);
91 let a = _mm_setr_epi8(
92 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
94 let r = _mm_slli_si128(a, 15);
95 let e = _mm_setr_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
96 assert_eq_m128i(r, e);
99 let a = _mm_setr_epi8(
100 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
102 let r = _mm_slli_si128(a, 16);
103 assert_eq_m128i(r, _mm_set1_epi8(0));
106 let a = _mm_setr_epi8(
107 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
109 let r = _mm_slli_si128(a, -1);
110 assert_eq_m128i(_mm_set1_epi8(0), r);
113 let a = _mm_setr_epi8(
114 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
116 let r = _mm_slli_si128(a, -0x80000000);
117 assert_eq_m128i(r, _mm_set1_epi8(0));
120 #[target_feature(enable = "sse2")]
121 unsafe fn test_mm_movemask_epi8() {
123 let a = _mm_setr_epi8(
124 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8, 0b01,
125 0b0101, 0b1111_0000u8 as i8, 0, 0,
126 0, 0, 0b1111_0000u8 as i8, 0b0101,
127 0b01, 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8,
129 let r = _mm_movemask_epi8(a);
130 assert_eq!(r, 0b10100100_00100101);
133 #[target_feature(enable = "avx2")]
134 unsafe fn test_mm256_movemask_epi8() {
135 let a = _mm256_set1_epi8(-1);
136 let r = _mm256_movemask_epi8(a);
141 #[target_feature(enable = "sse2")]
142 unsafe fn test_mm_add_epi8() {
143 let a = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
145 let b = _mm_setr_epi8(
146 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
148 let r = _mm_add_epi8(a, b);
150 let e = _mm_setr_epi8(
151 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46,
153 assert_eq_m128i(r, e);
156 #[target_feature(enable = "sse2")]
157 unsafe fn test_mm_add_pd() {
158 let a = _mm_setr_pd(1.0, 2.0);
159 let b = _mm_setr_pd(5.0, 10.0);
160 let r = _mm_add_pd(a, b);
161 assert_eq_m128d(r, _mm_setr_pd(6.0, 12.0));
164 fn assert_eq_m128i(x: std::arch::x86_64::__m128i, y: std::arch::x86_64::__m128i) {
166 assert_eq!(std::mem::transmute::<_, [u8; 16]>(x), std::mem::transmute::<_, [u8; 16]>(x));
170 #[target_feature(enable = "sse2")]
171 pub unsafe fn assert_eq_m128d(a: __m128d, b: __m128d) {
172 if _mm_movemask_pd(_mm_cmpeq_pd(a, b)) != 0b11 {
173 panic!("{:?} != {:?}", a, b);
177 #[target_feature(enable = "sse4.1")]
178 unsafe fn test_mm_cvtepi8_epi16() {
179 let a = _mm_set1_epi8(10);
180 let r = _mm_cvtepi8_epi16(a);
181 let e = _mm_set1_epi16(10);
182 assert_eq_m128i(r, e);
183 let a = _mm_set1_epi8(-10);
184 let r = _mm_cvtepi8_epi16(a);
185 let e = _mm_set1_epi16(-10);
186 assert_eq_m128i(r, e);
195 pub enum Instruction {
200 fn map(a: Option<(u8, Box<Instruction>)>) -> Option<Box<Instruction>> {
203 Some((_, instr)) => Some(instr),