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);
39 println!("{}", 2.3f32.powf(2.0));
41 assert_eq!(-128i8, (-128i8).saturating_sub(1));
42 assert_eq!(127i8, 127i8.saturating_sub(-128));
43 assert_eq!(-128i8, (-128i8).saturating_add(-128));
44 assert_eq!(127i8, 127i8.saturating_add(1));
46 assert_eq!(0b0000000000000000000000000010000010000000000000000000000000000000_0000000000100000000000000000000000001000000000000100000000000000u128.leading_zeros(), 26);
47 assert_eq!(0b0000000000000000000000000010000000000000000000000000000000000000_0000000000000000000000000000000000001000000000000000000010000000u128.trailing_zeros(), 7);
49 let _d = 0i128.checked_div(2i128);
50 let _d = 0u128.checked_div(2u128);
51 assert_eq!(1u128 + 2, 3);
53 assert_eq!(0b100010000000000000000000000000000u128 >> 10, 0b10001000000000000000000u128);
54 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 >> 64, 0xFEDCBA98765432u128);
55 assert_eq!(0xFEDCBA987654321123456789ABCDEFu128 as i128 >> 64, 0xFEDCBA98765432i128);
56 assert_eq!(353985398u128 * 932490u128, 330087843781020u128);
58 // Check that all u/i128 <-> float casts work correctly.
59 assert_eq!(100u128 as f32, 100.0);
60 assert_eq!(100u128 as f64, 100.0);
61 assert_eq!(100.0f32 as u128, 100);
62 assert_eq!(100.0f64 as u128, 100);
63 assert_eq!(100i128 as f32, 100.0);
64 assert_eq!(100i128 as f64, 100.0);
65 assert_eq!(100.0f32 as i128, 100);
66 assert_eq!(100.0f64 as i128, 100);
76 #[target_feature(enable = "sse2")]
77 unsafe fn test_simd() {
78 let x = _mm_setzero_si128();
79 let y = _mm_set1_epi16(7);
80 let or = _mm_or_si128(x, y);
81 let cmp_eq = _mm_cmpeq_epi8(y, y);
82 let cmp_lt = _mm_cmplt_epi8(y, y);
84 assert_eq!(std::mem::transmute::<_, [u16; 8]>(or), [7, 7, 7, 7, 7, 7, 7, 7]);
85 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_eq), [0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff]);
86 assert_eq!(std::mem::transmute::<_, [u16; 8]>(cmp_lt), [0, 0, 0, 0, 0, 0, 0, 0]);
89 test_mm_movemask_epi8();
90 test_mm256_movemask_epi8();
93 test_mm_cvtepi8_epi16();
94 test_mm_cvtsi128_si64();
96 // FIXME(#666) implement `#[rustc_arg_required_const(..)]` support
97 //test_mm_extract_epi8();
99 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)));
100 assert_eq!(mask1, 1);
103 #[target_feature(enable = "sse2")]
104 unsafe fn test_mm_slli_si128() {
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 let e = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
111 assert_eq_m128i(r, e);
114 let a = _mm_setr_epi8(
115 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
117 let r = _mm_slli_si128(a, 15);
118 let e = _mm_setr_epi8(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1);
119 assert_eq_m128i(r, e);
122 let a = _mm_setr_epi8(
123 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
125 let r = _mm_slli_si128(a, 16);
126 assert_eq_m128i(r, _mm_set1_epi8(0));
129 let a = _mm_setr_epi8(
130 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
132 let r = _mm_slli_si128(a, -1);
133 assert_eq_m128i(_mm_set1_epi8(0), r);
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, -0x80000000);
140 assert_eq_m128i(r, _mm_set1_epi8(0));
143 #[target_feature(enable = "sse2")]
144 unsafe fn test_mm_movemask_epi8() {
146 let a = _mm_setr_epi8(
147 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8, 0b01,
148 0b0101, 0b1111_0000u8 as i8, 0, 0,
149 0, 0, 0b1111_0000u8 as i8, 0b0101,
150 0b01, 0b1000_0000u8 as i8, 0b0, 0b1000_0000u8 as i8,
152 let r = _mm_movemask_epi8(a);
153 assert_eq!(r, 0b10100100_00100101);
156 #[target_feature(enable = "avx2")]
157 unsafe fn test_mm256_movemask_epi8() {
158 let a = _mm256_set1_epi8(-1);
159 let r = _mm256_movemask_epi8(a);
164 #[target_feature(enable = "sse2")]
165 unsafe fn test_mm_add_epi8() {
166 let a = _mm_setr_epi8(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15);
168 let b = _mm_setr_epi8(
169 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
171 let r = _mm_add_epi8(a, b);
173 let e = _mm_setr_epi8(
174 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46,
176 assert_eq_m128i(r, e);
179 #[target_feature(enable = "sse2")]
180 unsafe fn test_mm_add_pd() {
181 let a = _mm_setr_pd(1.0, 2.0);
182 let b = _mm_setr_pd(5.0, 10.0);
183 let r = _mm_add_pd(a, b);
184 assert_eq_m128d(r, _mm_setr_pd(6.0, 12.0));
187 fn assert_eq_m128i(x: std::arch::x86_64::__m128i, y: std::arch::x86_64::__m128i) {
189 assert_eq!(std::mem::transmute::<_, [u8; 16]>(x), std::mem::transmute::<_, [u8; 16]>(y));
193 #[target_feature(enable = "sse2")]
194 pub unsafe fn assert_eq_m128d(a: __m128d, b: __m128d) {
195 if _mm_movemask_pd(_mm_cmpeq_pd(a, b)) != 0b11 {
196 panic!("{:?} != {:?}", a, b);
200 #[target_feature(enable = "sse2")]
201 unsafe fn test_mm_cvtsi128_si64() {
202 let r = _mm_cvtsi128_si64(std::mem::transmute::<[i64; 2], _>([5, 0]));
206 #[target_feature(enable = "sse4.1")]
207 unsafe fn test_mm_cvtepi8_epi16() {
208 let a = _mm_set1_epi8(10);
209 let r = _mm_cvtepi8_epi16(a);
210 let e = _mm_set1_epi16(10);
211 assert_eq_m128i(r, e);
212 let a = _mm_set1_epi8(-10);
213 let r = _mm_cvtepi8_epi16(a);
214 let e = _mm_set1_epi16(-10);
215 assert_eq_m128i(r, e);
218 #[target_feature(enable = "sse4.1")]
219 unsafe fn test_mm_extract_epi8() {
221 let a = _mm_setr_epi8(
222 -1, 1, 2, 3, 4, 5, 6, 7,
223 8, 9, 10, 11, 12, 13, 14, 15
225 let r1 = _mm_extract_epi8(a, 0);
226 let r2 = _mm_extract_epi8(a, 19);
227 assert_eq!(r1, 0xFF);
237 pub enum Instruction {
242 fn map(a: Option<(u8, Box<Instruction>)>) -> Option<Box<Instruction>> {
245 Some((_, instr)) => Some(instr),