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());
38 assert_eq!(2.3f32.copysign(-1.0), -2.3f32);
40 assert_eq!(0b0000000000000000000000000010000010000000000000000000000000000000_0000000000100000000000000000000000001000000000000100000000000000u128.leading_zeros(), 26);
41 assert_eq!(0b0000000000000000000000000010000000000000000000000000000000000000_0000000000000000000000000000000000001000000000000000000010000000u128.trailing_zeros(), 7);
43 let _d = 0i128.checked_div(2i128);
44 let _d = 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);
59 #[target_feature(enable = "sse2")]
60 unsafe fn test_simd() {
61 let x = _mm_setzero_si128();
62 let y = _mm_set1_epi16(7);
63 let or = _mm_or_si128(x, y);
64 let cmp_eq = _mm_cmpeq_epi8(y, y);
65 let cmp_lt = _mm_cmplt_epi8(y, y);
67 assert_eq!(std::mem::transmute::<_, [u16; 8]>(or), [7, 7, 7, 7, 7, 7, 7, 7]);
68 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_eq), [0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff]);
69 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_lt), [0, 0, 0, 0, 0, 0, 0, 0]);
72 test_mm_movemask_epi8();
73 test_mm256_movemask_epi8();
76 test_mm_cvtepi8_epi16();
77 test_mm_cvtsi128_si64();
79 // FIXME(#666) implement `#[rustc_arg_required_const(..)]` support
80 //test_mm_extract_epi8();
82 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)));
86 #[target_feature(enable = "sse2")]
87 unsafe fn test_mm_slli_si128() {
89 let a = _mm_setr_epi8(
90 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
92 let r = _mm_slli_si128(a, 1);
93 let e = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
94 assert_eq_m128i(r, e);
97 let a = _mm_setr_epi8(
98 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
100 let r = _mm_slli_si128(a, 15);
101 let e = _mm_setr_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
102 assert_eq_m128i(r, e);
105 let a = _mm_setr_epi8(
106 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
108 let r = _mm_slli_si128(a, 16);
109 assert_eq_m128i(r, _mm_set1_epi8(0));
112 let a = _mm_setr_epi8(
113 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
115 let r = _mm_slli_si128(a, -1);
116 assert_eq_m128i(_mm_set1_epi8(0), r);
119 let a = _mm_setr_epi8(
120 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
122 let r = _mm_slli_si128(a, -0x80000000);
123 assert_eq_m128i(r, _mm_set1_epi8(0));
126 #[target_feature(enable = "sse2")]
127 unsafe fn test_mm_movemask_epi8() {
129 let a = _mm_setr_epi8(
130 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8, 0b01,
131 0b0101, 0b1111_0000u8 as i8, 0, 0,
132 0, 0, 0b1111_0000u8 as i8, 0b0101,
133 0b01, 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8,
135 let r = _mm_movemask_epi8(a);
136 assert_eq!(r, 0b10100100_00100101);
139 #[target_feature(enable = "avx2")]
140 unsafe fn test_mm256_movemask_epi8() {
141 let a = _mm256_set1_epi8(-1);
142 let r = _mm256_movemask_epi8(a);
147 #[target_feature(enable = "sse2")]
148 unsafe fn test_mm_add_epi8() {
149 let a = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
151 let b = _mm_setr_epi8(
152 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
154 let r = _mm_add_epi8(a, b);
156 let e = _mm_setr_epi8(
157 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46,
159 assert_eq_m128i(r, e);
162 #[target_feature(enable = "sse2")]
163 unsafe fn test_mm_add_pd() {
164 let a = _mm_setr_pd(1.0, 2.0);
165 let b = _mm_setr_pd(5.0, 10.0);
166 let r = _mm_add_pd(a, b);
167 assert_eq_m128d(r, _mm_setr_pd(6.0, 12.0));
170 fn assert_eq_m128i(x: std::arch::x86_64::__m128i, y: std::arch::x86_64::__m128i) {
172 assert_eq!(std::mem::transmute::<_, [u8; 16]>(x), std::mem::transmute::<_, [u8; 16]>(y));
176 #[target_feature(enable = "sse2")]
177 pub unsafe fn assert_eq_m128d(a: __m128d, b: __m128d) {
178 if _mm_movemask_pd(_mm_cmpeq_pd(a, b)) != 0b11 {
179 panic!("{:?} != {:?}", a, b);
183 #[target_feature(enable = "sse2")]
184 unsafe fn test_mm_cvtsi128_si64() {
185 let r = _mm_cvtsi128_si64(std::mem::transmute::<[i64; 2], _>([5, 0]));
189 #[target_feature(enable = "sse4.1")]
190 unsafe fn test_mm_cvtepi8_epi16() {
191 let a = _mm_set1_epi8(10);
192 let r = _mm_cvtepi8_epi16(a);
193 let e = _mm_set1_epi16(10);
194 assert_eq_m128i(r, e);
195 let a = _mm_set1_epi8(-10);
196 let r = _mm_cvtepi8_epi16(a);
197 let e = _mm_set1_epi16(-10);
198 assert_eq_m128i(r, e);
201 #[target_feature(enable = "sse4.1")]
202 unsafe fn test_mm_extract_epi8() {
204 let a = _mm_setr_epi8(
205 -1, 1, 2, 3, 4, 5, 6, 7,
206 8, 9, 10, 11, 12, 13, 14, 15
208 let r1 = _mm_extract_epi8(a, 0);
209 let r2 = _mm_extract_epi8(a, 19);
210 assert_eq!(r1, 0xFF);
220 pub enum Instruction {
225 fn map(a: Option<(u8, Box<Instruction>)>) -> Option<Box<Instruction>> {
228 Some((_, instr)) => Some(instr),