1 #![feature(core_intrinsics)]
3 use std::arch::x86_64::*;
7 let mutex = std::sync::Mutex::new(());
8 let _guard = mutex.lock().unwrap();
10 let _ = ::std::iter::repeat('a' as u8).take(10).collect::<Vec<_>>();
11 let stderr = ::std::io::stderr();
12 let mut stderr = stderr.lock();
14 writeln!(stderr, "some {} text", "<unknown>").unwrap();
16 let _ = std::process::Command::new("true").env("c", "d").spawn();
18 println!("cargo:rustc-link-lib=z");
20 static ONCE: std::sync::Once = std::sync::Once::new();
21 ONCE.call_once(|| {});
23 let _eq = LoopState::Continue(()) == LoopState::Break(());
25 // Make sure ByValPair values with differently sized components are correctly passed
26 map(None::<(u8, Box<Instruction>)>);
28 println!("{}", 2.3f32.exp());
29 println!("{}", 2.3f32.exp2());
30 println!("{}", 2.3f32.abs());
31 println!("{}", 2.3f32.sqrt());
32 println!("{}", 2.3f32.floor());
33 println!("{}", 2.3f32.ceil());
34 println!("{}", 2.3f32.min(1.0));
35 println!("{}", 2.3f32.max(1.0));
36 println!("{}", 2.3f32.powi(2));
37 println!("{}", 2.3f32.log2());
39 assert_eq!(0b0000000000000000000000000010000010000000000000000000000000000000_0000000000100000000000000000000000001000000000000100000000000000u128.leading_zeros(), 26);
40 assert_eq!(0b0000000000000000000000000010000000000000000000000000000000000000_0000000000000000000000000000000000001000000000000000000010000000u128.trailing_zeros(), 7);
42 let _d = 0i128.checked_div(2i128);
43 let _d = 0u128.checked_div(2u128);
44 assert_eq!(1u128 + 2, 3);
46 assert_eq!(0b100010000000000000000000000000000u128 >> 10, 0b10001000000000000000000u128);
47 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 >> 64, 0xFEDCBA98765432u128);
48 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 as i128 >> 64, 0xFEDCBA98765432i128);
49 assert_eq!(353985398u128 * 932490u128, 330087843781020u128);
58 #[target_feature(enable = "sse2")]
59 unsafe fn test_simd() {
60 let x = _mm_setzero_si128();
61 let y = _mm_set1_epi16(7);
62 let or = _mm_or_si128(x, y);
63 let cmp_eq = _mm_cmpeq_epi8(y, y);
64 let cmp_lt = _mm_cmplt_epi8(y, y);
66 assert_eq!(std::mem::transmute::<_, [u16; 8]>(or), [7, 7, 7, 7, 7, 7, 7, 7]);
67 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_eq), [0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff]);
68 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_lt), [0, 0, 0, 0, 0, 0, 0, 0]);
71 test_mm_movemask_epi8();
72 test_mm256_movemask_epi8();
75 test_mm_cvtepi8_epi16();
76 test_mm_cvtsi128_si64();
78 // FIXME(#666) implement `#[rustc_arg_required_const(..)]` support
79 //test_mm_extract_epi8();
81 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)));
85 #[target_feature(enable = "sse2")]
86 unsafe fn test_mm_slli_si128() {
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, 1);
92 let e = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
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, 15);
100 let e = _mm_setr_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
101 assert_eq_m128i(r, e);
104 let a = _mm_setr_epi8(
105 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
107 let r = _mm_slli_si128(a, 16);
108 assert_eq_m128i(r, _mm_set1_epi8(0));
111 let a = _mm_setr_epi8(
112 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
114 let r = _mm_slli_si128(a, -1);
115 assert_eq_m128i(_mm_set1_epi8(0), r);
118 let a = _mm_setr_epi8(
119 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
121 let r = _mm_slli_si128(a, -0x80000000);
122 assert_eq_m128i(r, _mm_set1_epi8(0));
125 #[target_feature(enable = "sse2")]
126 unsafe fn test_mm_movemask_epi8() {
128 let a = _mm_setr_epi8(
129 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8, 0b01,
130 0b0101, 0b1111_0000u8 as i8, 0, 0,
131 0, 0, 0b1111_0000u8 as i8, 0b0101,
132 0b01, 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8,
134 let r = _mm_movemask_epi8(a);
135 assert_eq!(r, 0b10100100_00100101);
138 #[target_feature(enable = "avx2")]
139 unsafe fn test_mm256_movemask_epi8() {
140 let a = _mm256_set1_epi8(-1);
141 let r = _mm256_movemask_epi8(a);
146 #[target_feature(enable = "sse2")]
147 unsafe fn test_mm_add_epi8() {
148 let a = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
150 let b = _mm_setr_epi8(
151 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
153 let r = _mm_add_epi8(a, b);
155 let e = _mm_setr_epi8(
156 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46,
158 assert_eq_m128i(r, e);
161 #[target_feature(enable = "sse2")]
162 unsafe fn test_mm_add_pd() {
163 let a = _mm_setr_pd(1.0, 2.0);
164 let b = _mm_setr_pd(5.0, 10.0);
165 let r = _mm_add_pd(a, b);
166 assert_eq_m128d(r, _mm_setr_pd(6.0, 12.0));
169 fn assert_eq_m128i(x: std::arch::x86_64::__m128i, y: std::arch::x86_64::__m128i) {
171 assert_eq!(std::mem::transmute::<_, [u8; 16]>(x), std::mem::transmute::<_, [u8; 16]>(y));
175 #[target_feature(enable = "sse2")]
176 pub unsafe fn assert_eq_m128d(a: __m128d, b: __m128d) {
177 if _mm_movemask_pd(_mm_cmpeq_pd(a, b)) != 0b11 {
178 panic!("{:?} != {:?}", a, b);
182 #[target_feature(enable = "sse2")]
183 unsafe fn test_mm_cvtsi128_si64() {
184 let r = _mm_cvtsi128_si64(std::mem::transmute::<[i64; 2], _>([5, 0]));
188 #[target_feature(enable = "sse4.1")]
189 unsafe fn test_mm_cvtepi8_epi16() {
190 let a = _mm_set1_epi8(10);
191 let r = _mm_cvtepi8_epi16(a);
192 let e = _mm_set1_epi16(10);
193 assert_eq_m128i(r, e);
194 let a = _mm_set1_epi8(-10);
195 let r = _mm_cvtepi8_epi16(a);
196 let e = _mm_set1_epi16(-10);
197 assert_eq_m128i(r, e);
200 #[target_feature(enable = "sse4.1")]
201 unsafe fn test_mm_extract_epi8() {
203 let a = _mm_setr_epi8(
204 -1, 1, 2, 3, 4, 5, 6, 7,
205 8, 9, 10, 11, 12, 13, 14, 15
207 let r1 = _mm_extract_epi8(a, 0);
208 let r2 = _mm_extract_epi8(a, 19);
209 assert_eq!(r1, 0xFF);
219 pub enum Instruction {
224 fn map(a: Option<(u8, Box<Instruction>)>) -> Option<Box<Instruction>> {
227 Some((_, instr)) => Some(instr),