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 writeln!(stderr, "some {} text", "<unknown>").unwrap();
17 let _ = std::process::Command::new("true").env("c", "d").spawn();
19 println!("cargo:rustc-link-lib=z");
21 static ONCE: std::sync::Once = std::sync::Once::new();
22 ONCE.call_once(|| {});
24 let _eq = LoopState::Continue(()) == LoopState::Break(());
26 // Make sure ByValPair values with differently sized components are correctly passed
27 map(None::<(u8, Box<Instruction>)>);
29 println!("{}", 2.3f32.exp());
30 println!("{}", 2.3f32.exp2());
31 println!("{}", 2.3f32.abs());
32 println!("{}", 2.3f32.sqrt());
33 println!("{}", 2.3f32.floor());
34 println!("{}", 2.3f32.ceil());
35 println!("{}", 2.3f32.min(1.0));
36 println!("{}", 2.3f32.max(1.0));
37 println!("{}", 2.3f32.powi(2));
38 println!("{}", 2.3f32.log2());
39 assert_eq!(2.3f32.copysign(-1.0), -2.3f32);
40 println!("{}", 2.3f32.powf(2.0));
42 assert_eq!(-128i8, (-128i8).saturating_sub(1));
43 assert_eq!(127i8, 127i8.saturating_sub(-128));
44 assert_eq!(-128i8, (-128i8).saturating_add(-128));
45 assert_eq!(127i8, 127i8.saturating_add(1));
47 assert_eq!(0b0000000000000000000000000010000010000000000000000000000000000000_0000000000100000000000000000000000001000000000000100000000000000u128.leading_zeros(), 26);
48 assert_eq!(0b0000000000000000000000000010000000000000000000000000000000000000_0000000000000000000000000000000000001000000000000000000010000000u128.trailing_zeros(), 7);
50 let _d = 0i128.checked_div(2i128);
51 let _d = 0u128.checked_div(2u128);
52 assert_eq!(1u128 + 2, 3);
54 assert_eq!(0b100010000000000000000000000000000u128 >> 10, 0b10001000000000000000000u128);
55 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 >> 64, 0xFEDCBA98765432u128);
56 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 as i128 >> 64, 0xFEDCBA98765432i128);
58 let tmp = 353985398u128;
59 assert_eq!(tmp * 932490u128, 330087843781020u128);
61 let tmp = -0x1234_5678_9ABC_DEF0i64;
62 assert_eq!(tmp as i128, -0x1234_5678_9ABC_DEF0i128);
64 // Check that all u/i128 <-> float casts work correctly.
65 let houndred_u128 = 100u128;
66 let houndred_i128 = 100i128;
67 let houndred_f32 = 100.0f32;
68 let houndred_f64 = 100.0f64;
69 assert_eq!(houndred_u128 as f32, 100.0);
70 assert_eq!(houndred_u128 as f64, 100.0);
71 assert_eq!(houndred_f32 as u128, 100);
72 assert_eq!(houndred_f64 as u128, 100);
73 assert_eq!(houndred_i128 as f32, 100.0);
74 assert_eq!(houndred_i128 as f64, 100.0);
75 assert_eq!(houndred_f32 as i128, 100);
76 assert_eq!(houndred_f64 as i128, 100);
80 let empty: [i32; 0] = [];
81 assert!(empty.is_sorted());
83 println!("{:?}", unsafe { std::intrinsics::caller_location() });
90 #[target_feature(enable = "sse2")]
91 unsafe fn test_simd() {
92 let x = _mm_setzero_si128();
93 let y = _mm_set1_epi16(7);
94 let or = _mm_or_si128(x, y);
95 let cmp_eq = _mm_cmpeq_epi8(y, y);
96 let cmp_lt = _mm_cmplt_epi8(y, y);
98 assert_eq!(std::mem::transmute::<_, [u16; 8]>(or), [7, 7, 7, 7, 7, 7, 7, 7]);
99 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_eq), [0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff]);
100 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_lt), [0, 0, 0, 0, 0, 0, 0, 0]);
102 test_mm_slli_si128();
103 test_mm_movemask_epi8();
104 test_mm256_movemask_epi8();
107 test_mm_cvtepi8_epi16();
108 test_mm_cvtsi128_si64();
110 // FIXME(#666) implement `#[rustc_arg_required_const(..)]` support
111 //test_mm_extract_epi8();
113 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)));
114 assert_eq!(mask1, 1);
117 #[target_feature(enable = "sse2")]
118 unsafe fn test_mm_slli_si128() {
120 let a = _mm_setr_epi8(
121 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
123 let r = _mm_slli_si128(a, 1);
124 let e = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
125 assert_eq_m128i(r, e);
128 let a = _mm_setr_epi8(
129 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
131 let r = _mm_slli_si128(a, 15);
132 let e = _mm_setr_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
133 assert_eq_m128i(r, e);
136 let a = _mm_setr_epi8(
137 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
139 let r = _mm_slli_si128(a, 16);
140 assert_eq_m128i(r, _mm_set1_epi8(0));
143 let a = _mm_setr_epi8(
144 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
146 let r = _mm_slli_si128(a, -1);
147 assert_eq_m128i(_mm_set1_epi8(0), r);
150 let a = _mm_setr_epi8(
151 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
153 let r = _mm_slli_si128(a, -0x80000000);
154 assert_eq_m128i(r, _mm_set1_epi8(0));
157 #[target_feature(enable = "sse2")]
158 unsafe fn test_mm_movemask_epi8() {
160 let a = _mm_setr_epi8(
161 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8, 0b01,
162 0b0101, 0b1111_0000u8 as i8, 0, 0,
163 0, 0, 0b1111_0000u8 as i8, 0b0101,
164 0b01, 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8,
166 let r = _mm_movemask_epi8(a);
167 assert_eq!(r, 0b10100100_00100101);
170 #[target_feature(enable = "avx2")]
171 unsafe fn test_mm256_movemask_epi8() {
172 let a = _mm256_set1_epi8(-1);
173 let r = _mm256_movemask_epi8(a);
178 #[target_feature(enable = "sse2")]
179 unsafe fn test_mm_add_epi8() {
180 let a = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
182 let b = _mm_setr_epi8(
183 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
185 let r = _mm_add_epi8(a, b);
187 let e = _mm_setr_epi8(
188 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46,
190 assert_eq_m128i(r, e);
193 #[target_feature(enable = "sse2")]
194 unsafe fn test_mm_add_pd() {
195 let a = _mm_setr_pd(1.0, 2.0);
196 let b = _mm_setr_pd(5.0, 10.0);
197 let r = _mm_add_pd(a, b);
198 assert_eq_m128d(r, _mm_setr_pd(6.0, 12.0));
201 fn assert_eq_m128i(x: std::arch::x86_64::__m128i, y: std::arch::x86_64::__m128i) {
203 assert_eq!(std::mem::transmute::<_, [u8; 16]>(x), std::mem::transmute::<_, [u8; 16]>(y));
207 #[target_feature(enable = "sse2")]
208 pub unsafe fn assert_eq_m128d(a: __m128d, b: __m128d) {
209 if _mm_movemask_pd(_mm_cmpeq_pd(a, b)) != 0b11 {
210 panic!("{:?} != {:?}", a, b);
214 #[target_feature(enable = "sse2")]
215 unsafe fn test_mm_cvtsi128_si64() {
216 let r = _mm_cvtsi128_si64(std::mem::transmute::<[i64; 2], _>([5, 0]));
220 #[target_feature(enable = "sse4.1")]
221 unsafe fn test_mm_cvtepi8_epi16() {
222 let a = _mm_set1_epi8(10);
223 let r = _mm_cvtepi8_epi16(a);
224 let e = _mm_set1_epi16(10);
225 assert_eq_m128i(r, e);
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);
232 #[target_feature(enable = "sse4.1")]
233 unsafe fn test_mm_extract_epi8() {
235 let a = _mm_setr_epi8(
236 -1, 1, 2, 3, 4, 5, 6, 7,
237 8, 9, 10, 11, 12, 13, 14, 15
239 let r1 = _mm_extract_epi8(a, 0);
240 let r2 = _mm_extract_epi8(a, 19);
241 assert_eq!(r1, 0xFF);
251 pub enum Instruction {
256 fn map(a: Option<(u8, Box<Instruction>)>) -> Option<Box<Instruction>> {
259 Some((_, instr)) => Some(instr),