core/portable-simd/crates/core_simd/src/
alias.rs

1macro_rules! number {
2    { 1 } => { "one" };
3    { 2 } => { "two" };
4    { 4 } => { "four" };
5    { 8 } => { "eight" };
6    { $x:literal } => { stringify!($x) };
7}
8
9macro_rules! plural {
10    { 1 } => { "" };
11    { $x:literal } => { "s" };
12}
13
14macro_rules! alias {
15    {
16        $(
17            $element_ty:ty = {
18                $($alias:ident $num_elements:tt)*
19            }
20        )*
21    } => {
22        $(
23            $(
24            #[doc = concat!("A SIMD vector with ", number!($num_elements), " element", plural!($num_elements), " of type [`", stringify!($element_ty), "`].")]
25            #[allow(non_camel_case_types)]
26            pub type $alias = $crate::simd::Simd<$element_ty, $num_elements>;
27            )*
28        )*
29    }
30}
31
32macro_rules! mask_alias {
33    {
34        $(
35            $element_ty:ty : $size:literal = {
36                $($alias:ident $num_elements:tt)*
37            }
38        )*
39    } => {
40        $(
41            $(
42            #[doc = concat!("A SIMD mask with ", number!($num_elements), " element", plural!($num_elements), " for vectors with ", $size, " element types.")]
43            ///
44            #[doc = concat!(
45                "The layout of this type is unspecified, and may change between platforms and/or Rust versions, and code should not assume that it is equivalent to `[",
46                stringify!($element_ty), "; ", $num_elements, "]`."
47            )]
48            #[allow(non_camel_case_types)]
49            pub type $alias = $crate::simd::Mask<$element_ty, $num_elements>;
50            )*
51        )*
52    }
53}
54
55alias! {
56    i8 = {
57        i8x1 1
58        i8x2 2
59        i8x4 4
60        i8x8 8
61        i8x16 16
62        i8x32 32
63        i8x64 64
64    }
65
66    i16 = {
67        i16x1 1
68        i16x2 2
69        i16x4 4
70        i16x8 8
71        i16x16 16
72        i16x32 32
73        i16x64 64
74    }
75
76    i32 = {
77        i32x1 1
78        i32x2 2
79        i32x4 4
80        i32x8 8
81        i32x16 16
82        i32x32 32
83        i32x64 64
84    }
85
86    i64 = {
87        i64x1 1
88        i64x2 2
89        i64x4 4
90        i64x8 8
91        i64x16 16
92        i64x32 32
93        i64x64 64
94    }
95
96    isize = {
97        isizex1 1
98        isizex2 2
99        isizex4 4
100        isizex8 8
101        isizex16 16
102        isizex32 32
103        isizex64 64
104    }
105
106    u8 = {
107        u8x1 1
108        u8x2 2
109        u8x4 4
110        u8x8 8
111        u8x16 16
112        u8x32 32
113        u8x64 64
114    }
115
116    u16 = {
117        u16x1 1
118        u16x2 2
119        u16x4 4
120        u16x8 8
121        u16x16 16
122        u16x32 32
123        u16x64 64
124    }
125
126    u32 = {
127        u32x1 1
128        u32x2 2
129        u32x4 4
130        u32x8 8
131        u32x16 16
132        u32x32 32
133        u32x64 64
134    }
135
136    u64 = {
137        u64x1 1
138        u64x2 2
139        u64x4 4
140        u64x8 8
141        u64x16 16
142        u64x32 32
143        u64x64 64
144    }
145
146    usize = {
147        usizex1 1
148        usizex2 2
149        usizex4 4
150        usizex8 8
151        usizex16 16
152        usizex32 32
153        usizex64 64
154    }
155
156    f16 = {
157        f16x1 1
158        f16x2 2
159        f16x4 4
160        f16x8 8
161        f16x16 16
162        f16x32 32
163        f16x64 64
164    }
165
166    f32 = {
167        f32x1 1
168        f32x2 2
169        f32x4 4
170        f32x8 8
171        f32x16 16
172        f32x32 32
173        f32x64 64
174    }
175
176    f64 = {
177        f64x1 1
178        f64x2 2
179        f64x4 4
180        f64x8 8
181        f64x16 16
182        f64x32 32
183        f64x64 64
184    }
185}
186
187mask_alias! {
188    i8 : "8-bit" = {
189        mask8x1 1
190        mask8x2 2
191        mask8x4 4
192        mask8x8 8
193        mask8x16 16
194        mask8x32 32
195        mask8x64 64
196    }
197
198    i16 : "16-bit" = {
199        mask16x1 1
200        mask16x2 2
201        mask16x4 4
202        mask16x8 8
203        mask16x16 16
204        mask16x32 32
205        mask16x64 64
206    }
207
208    i32 : "32-bit" = {
209        mask32x1 1
210        mask32x2 2
211        mask32x4 4
212        mask32x8 8
213        mask32x16 16
214        mask32x32 32
215        mask32x64 64
216    }
217
218    i64 : "64-bit" = {
219        mask64x1 1
220        mask64x2 2
221        mask64x4 4
222        mask64x8 8
223        mask64x16 16
224        mask64x32 32
225        mask64x64 64
226    }
227
228    isize : "pointer-sized" = {
229        masksizex1 1
230        masksizex2 2
231        masksizex4 4
232        masksizex8 8
233        masksizex16 16
234        masksizex32 32
235        masksizex64 64
236    }
237}
core/portable-simd/crates/core_simd/src/alias.rs

core/portable-simd/crates/core_simd/src/
alias.rs
