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sse42.rs
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sse42.rs
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use x86::__m128i;
pub const _SIDD_UBYTE_OPS: i8 = 0b00000000;
pub const _SIDD_UWORD_OPS: i8 = 0b00000001;
pub const _SIDD_SBYTE_OPS: i8 = 0b00000010;
pub const _SIDD_SWORD_OPS: i8 = 0b00000011;
pub const _SIDD_CMP_EQUAL_ANY: i8 = 0b00000000;
pub const _SIDD_CMP_RANGES: i8 = 0b00000100;
pub const _SIDD_CMP_EQUAL_EACH: i8 = 0b00001000;
pub const _SIDD_CMP_EQUAL_ORDERED: i8 = 0b00001100;
pub const _SIDD_POSITIVE_POLARITY: i8 = 0b00000000;
pub const _SIDD_NEGATIVE_POLARITY: i8 = 0b00010000;
pub const _SIDD_MASKED_NEGATIVE_POLARITY: i8 = 0b00110000;
pub const _SIDD_LEAST_SIGNIFICANT: i8 = 0b00000000;
pub const _SIDD_MOST_SIGNIFICANT: i8 = 0b01000000;
macro_rules! constify_imm8 {
($imm8:expr, $expand:ident) => {
#[allow(overflowing_literals)]
match $imm8 & 0b1111_1111 {
0 => $expand!(0),
1 => $expand!(1),
2 => $expand!(2),
3 => $expand!(3),
4 => $expand!(4),
5 => $expand!(5),
6 => $expand!(6),
7 => $expand!(7),
8 => $expand!(8),
9 => $expand!(9),
10 => $expand!(10),
11 => $expand!(11),
12 => $expand!(12),
13 => $expand!(13),
14 => $expand!(14),
15 => $expand!(15),
16 => $expand!(16),
17 => $expand!(17),
18 => $expand!(18),
19 => $expand!(19),
20 => $expand!(20),
21 => $expand!(21),
22 => $expand!(22),
23 => $expand!(23),
24 => $expand!(24),
25 => $expand!(25),
26 => $expand!(26),
27 => $expand!(27),
28 => $expand!(28),
29 => $expand!(29),
30 => $expand!(30),
31 => $expand!(31),
32 => $expand!(32),
33 => $expand!(33),
34 => $expand!(34),
35 => $expand!(35),
36 => $expand!(36),
37 => $expand!(37),
38 => $expand!(38),
39 => $expand!(39),
40 => $expand!(40),
41 => $expand!(41),
42 => $expand!(42),
43 => $expand!(43),
44 => $expand!(44),
45 => $expand!(45),
46 => $expand!(46),
47 => $expand!(47),
48 => $expand!(48),
49 => $expand!(49),
50 => $expand!(50),
51 => $expand!(51),
52 => $expand!(52),
53 => $expand!(53),
54 => $expand!(54),
55 => $expand!(55),
56 => $expand!(56),
57 => $expand!(57),
58 => $expand!(58),
59 => $expand!(59),
60 => $expand!(60),
61 => $expand!(61),
62 => $expand!(62),
63 => $expand!(63),
64 => $expand!(64),
65 => $expand!(65),
66 => $expand!(66),
67 => $expand!(67),
68 => $expand!(68),
69 => $expand!(69),
70 => $expand!(70),
71 => $expand!(71),
72 => $expand!(72),
73 => $expand!(73),
74 => $expand!(74),
75 => $expand!(75),
76 => $expand!(76),
77 => $expand!(77),
78 => $expand!(78),
79 => $expand!(79),
80 => $expand!(80),
81 => $expand!(81),
82 => $expand!(82),
83 => $expand!(83),
84 => $expand!(84),
85 => $expand!(85),
86 => $expand!(86),
87 => $expand!(87),
88 => $expand!(88),
89 => $expand!(89),
90 => $expand!(90),
91 => $expand!(91),
92 => $expand!(92),
93 => $expand!(93),
94 => $expand!(94),
95 => $expand!(95),
96 => $expand!(96),
97 => $expand!(97),
98 => $expand!(98),
99 => $expand!(99),
100 => $expand!(100),
101 => $expand!(101),
102 => $expand!(102),
103 => $expand!(103),
104 => $expand!(104),
105 => $expand!(105),
106 => $expand!(106),
107 => $expand!(107),
108 => $expand!(108),
109 => $expand!(109),
110 => $expand!(110),
111 => $expand!(111),
112 => $expand!(112),
113 => $expand!(113),
114 => $expand!(114),
115 => $expand!(115),
116 => $expand!(116),
117 => $expand!(117),
118 => $expand!(118),
119 => $expand!(119),
120 => $expand!(120),
121 => $expand!(121),
122 => $expand!(122),
123 => $expand!(123),
124 => $expand!(124),
125 => $expand!(125),
126 => $expand!(126),
127 => $expand!(127),
128 => $expand!(128),
129 => $expand!(129),
130 => $expand!(130),
131 => $expand!(131),
132 => $expand!(132),
133 => $expand!(133),
134 => $expand!(134),
135 => $expand!(135),
136 => $expand!(136),
137 => $expand!(137),
138 => $expand!(138),
139 => $expand!(139),
140 => $expand!(140),
141 => $expand!(141),
142 => $expand!(142),
143 => $expand!(143),
144 => $expand!(144),
145 => $expand!(145),
146 => $expand!(146),
147 => $expand!(147),
148 => $expand!(148),
149 => $expand!(149),
150 => $expand!(150),
151 => $expand!(151),
152 => $expand!(152),
153 => $expand!(153),
154 => $expand!(154),
155 => $expand!(155),
156 => $expand!(156),
157 => $expand!(157),
158 => $expand!(158),
159 => $expand!(159),
160 => $expand!(160),
161 => $expand!(161),
162 => $expand!(162),
163 => $expand!(163),
164 => $expand!(164),
165 => $expand!(165),
166 => $expand!(166),
167 => $expand!(167),
168 => $expand!(168),
169 => $expand!(169),
170 => $expand!(170),
171 => $expand!(171),
172 => $expand!(172),
173 => $expand!(173),
174 => $expand!(174),
175 => $expand!(175),
176 => $expand!(176),
177 => $expand!(177),
178 => $expand!(178),
179 => $expand!(179),
180 => $expand!(180),
181 => $expand!(181),
182 => $expand!(182),
183 => $expand!(183),
184 => $expand!(184),
185 => $expand!(185),
186 => $expand!(186),
187 => $expand!(187),
188 => $expand!(188),
189 => $expand!(189),
190 => $expand!(190),
191 => $expand!(191),
192 => $expand!(192),
193 => $expand!(193),
194 => $expand!(194),
195 => $expand!(195),
196 => $expand!(196),
197 => $expand!(197),
198 => $expand!(198),
199 => $expand!(199),
200 => $expand!(200),
201 => $expand!(201),
202 => $expand!(202),
203 => $expand!(203),
204 => $expand!(204),
205 => $expand!(205),
206 => $expand!(206),
207 => $expand!(207),
208 => $expand!(208),
209 => $expand!(209),
210 => $expand!(210),
211 => $expand!(211),
212 => $expand!(212),
213 => $expand!(213),
214 => $expand!(214),
215 => $expand!(215),
216 => $expand!(216),
217 => $expand!(217),
218 => $expand!(218),
219 => $expand!(219),
220 => $expand!(220),
221 => $expand!(221),
222 => $expand!(222),
223 => $expand!(223),
224 => $expand!(224),
225 => $expand!(225),
226 => $expand!(226),
227 => $expand!(227),
228 => $expand!(228),
229 => $expand!(229),
230 => $expand!(230),
231 => $expand!(231),
232 => $expand!(232),
233 => $expand!(233),
234 => $expand!(234),
235 => $expand!(235),
236 => $expand!(236),
237 => $expand!(237),
238 => $expand!(238),
239 => $expand!(239),
240 => $expand!(240),
241 => $expand!(241),
242 => $expand!(242),
243 => $expand!(243),
244 => $expand!(244),
245 => $expand!(245),
246 => $expand!(246),
247 => $expand!(247),
248 => $expand!(248),
249 => $expand!(249),
250 => $expand!(250),
251 => $expand!(251),
252 => $expand!(252),
253 => $expand!(253),
254 => $expand!(254),
_ => $expand!(255),
}
}
}
#[inline(always)]
#[target_feature = "+sse4.2"]
pub fn _mm_cmpestri(
a: __m128i,
la: i32,
b: __m128i,
lb: i32,
imm8: i8,
) -> i32 {
macro_rules! call {
($imm8:expr) => {
unsafe { pcmpestri128(a, la, b, lb, $imm8) }
}
}
constify_imm8!(imm8, call)
}
#[allow(improper_ctypes)]
extern {
#[link_name = "llvm.x86.sse42.pcmpestri128"]
fn pcmpestri128(a: __m128i, la: i32, b: __m128i, lb: i32, imm8: i8) -> i32;
}
#[cfg(test)]
mod tests {
use v128::*;
use x86::{__m128i, sse42};
#[test]
#[target_feature = "+sse4.2"]
fn _mm_cmpestri() {
let a = &b"bar "[..];
let b = &b"foobar "[..];
let va = __m128i::from(u8x16::load(a, 0));
let vb = __m128i::from(u8x16::load(b, 0));
let i = sse42::_mm_cmpestri(
va, 3, vb, 6, sse42::_SIDD_CMP_EQUAL_ORDERED);
assert_eq!(3, i);
}
}