1 #![feature(core_intrinsics)]
8 let _ = ::std::iter::repeat('a' as u8).take(10).collect::<Vec<_>>();
9 let stderr = ::std::io::stderr();
10 let mut stderr = stderr.lock();
12 writeln!(stderr, "some {} text", "<unknown>").unwrap();
14 let _ = std::process::Command::new("true").env("c", "d").spawn();
16 println!("cargo:rustc-link-lib=z");
18 static ONCE: std::sync::Once = std::sync::ONCE_INIT;
19 ONCE.call_once(|| {});
21 LoopState::Continue(()) == LoopState::Break(());
23 // Make sure ByValPair values with differently sized components are correctly passed
24 map(None::<(u8, Box<Instruction>)>);
26 println!("{}", 2.3f32.exp());
27 println!("{}", 2.3f32.exp2());
28 println!("{}", 2.3f32.abs());
29 println!("{}", 2.3f32.sqrt());
30 println!("{}", 2.3f32.floor());
31 println!("{}", 2.3f32.ceil());
32 println!("{}", 2.3f32.min(1.0));
33 println!("{}", 2.3f32.max(1.0));
34 println!("{}", 2.3f32.powi(2));
36 assert_eq!(0b0000000000000000000000000010000010000000000000000000000000000000_0000000000100000000000000000000000001000000000000100000000000000u128.leading_zeros(), 26);
37 assert_eq!(0b0000000000000000000000000010000000000000000000000000000000000000_0000000000000000000000000000000000001000000000000000000010000000u128.trailing_zeros(), 7);
39 0i128.checked_div(2i128);
40 0u128.checked_div(2u128);
41 assert_eq!(1u128 + 2, 3);
43 assert_eq!(0b100010000000000000000000000000000u128 >> 10, 0b10001000000000000000000u128);
44 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 >> 64, 0xFEDCBA98765432u128);
45 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 as i128 >> 64, 0xFEDCBA98765432i128);
46 assert_eq!(353985398u128 * 932490u128, 330087843781020u128);
53 #[target_feature(enable = "sse2")]
54 unsafe fn test_simd() {
55 use std::arch::x86_64::*;
57 let x = _mm_setzero_si128();
58 let y = _mm_set1_epi16(7);
59 let or = _mm_or_si128(x, y);
60 let cmp_eq = _mm_cmpeq_epi8(y, y);
61 let cmp_lt = _mm_cmplt_epi8(y, y);
63 assert_eq!(std::mem::transmute::<_, [u16; 8]>(or), [7, 7, 7, 7, 7, 7, 7, 7]);
64 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_eq), [0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff]);
65 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_lt), [0, 0, 0, 0, 0, 0, 0, 0]);
68 test_mm_movemask_epi8();
69 test_mm256_movemask_epi8();
71 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)));
75 #[target_feature(enable = "sse2")]
76 unsafe fn test_mm_slli_si128() {
77 use std::arch::x86_64::*;
80 let a = _mm_setr_epi8(
81 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
83 let r = _mm_slli_si128(a, 1);
84 let e = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
85 assert_eq_m128i(r, e);
88 let a = _mm_setr_epi8(
89 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
91 let r = _mm_slli_si128(a, 15);
92 let e = _mm_setr_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
93 assert_eq_m128i(r, e);
96 let a = _mm_setr_epi8(
97 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
99 let r = _mm_slli_si128(a, 16);
100 assert_eq_m128i(r, _mm_set1_epi8(0));
103 let a = _mm_setr_epi8(
104 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
106 let r = _mm_slli_si128(a, -1);
107 assert_eq_m128i(_mm_set1_epi8(0), r);
110 let a = _mm_setr_epi8(
111 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
113 let r = _mm_slli_si128(a, -0x80000000);
114 assert_eq_m128i(r, _mm_set1_epi8(0));
117 #[target_feature(enable = "sse2")]
118 unsafe fn test_mm_movemask_epi8() {
119 use std::arch::x86_64::*;
122 let a = _mm_setr_epi8(
123 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8, 0b01,
124 0b0101, 0b1111_0000u8 as i8, 0, 0,
125 0, 0, 0b1111_0000u8 as i8, 0b0101,
126 0b01, 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8,
128 let r = _mm_movemask_epi8(a);
129 assert_eq!(r, 0b10100100_00100101);
132 #[target_feature(enable = "avx2")]
133 unsafe fn test_mm256_movemask_epi8() {
134 use std::arch::x86_64::*;
136 let a = _mm256_set1_epi8(-1);
137 let r = _mm256_movemask_epi8(a);
142 fn assert_eq_m128i(x: std::arch::x86_64::__m128i, y: std::arch::x86_64::__m128i) {
144 assert_eq!(std::mem::transmute::<_, [u8; 16]>(x), std::mem::transmute::<_, [u8; 16]>(x));
154 pub enum Instruction {
159 fn map(a: Option<(u8, Box<Instruction>)>) -> Option<Box<Instruction>> {
162 Some((_, instr)) => Some(instr),