std_detect 0.1.5

`std::detect` - Rust's standard library run-time CPU feature detection.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150

//! The `is_{target_arch}_feature_detected!` macro are only available on their
//! architecture. These macros provide a better error messages when the user
//! attempts to call them in a different architecture.

/// Prevents compilation if `is_x86_feature_detected` is used somewhere
/// else than `x86` and `x86_64` targets.
#[cfg(not(any(target_arch = "x86", target_arch = "x86_64")))]
#[macro_export]
#[unstable(feature = "stdsimd", issue = "27731")]
macro_rules! is_x86_feature_detected {
    ($t: tt) => {
        compile_error!(
            r#"
        is_x86_feature_detected can only be used on x86 and x86_64 targets.
        You can prevent it from being used in other architectures by
        guarding it behind a cfg(target_arch) as follows:

            #[cfg(any(target_arch = "x86", target_arch = "x86_64"))] {
                if is_x86_feature_detected(...) { ... }
            }
        "#
        )
    };
}

/// Prevents compilation if `is_arm_feature_detected` is used somewhere else
/// than `ARM` targets.
#[cfg(not(target_arch = "arm"))]
#[macro_export]
#[unstable(feature = "stdsimd", issue = "27731")]
macro_rules! is_arm_feature_detected {
    ($t:tt) => {
        compile_error!(
            r#"
        is_arm_feature_detected can only be used on ARM targets.
        You can prevent it from being used in other architectures by
        guarding it behind a cfg(target_arch) as follows:

            #[cfg(target_arch = "arm")] {
                if is_arm_feature_detected(...) { ... }
            }
        "#
        )
    };
}

/// Prevents compilation if `is_aarch64_feature_detected` is used somewhere else
/// than `aarch64` targets.
#[cfg(not(target_arch = "aarch64"))]
#[macro_export]
#[unstable(feature = "stdsimd", issue = "27731")]
macro_rules! is_aarch64_feature_detected {
    ($t: tt) => {
        compile_error!(
            r#"
        is_aarch64_feature_detected can only be used on AArch64 targets.
        You can prevent it from being used in other architectures by
        guarding it behind a cfg(target_arch) as follows:

            #[cfg(target_arch = "aarch64")] {
                if is_aarch64_feature_detected(...) { ... }
            }
        "#
        )
    };
}

/// Prevents compilation if `is_powerpc_feature_detected` is used somewhere else
/// than `PowerPC` targets.
#[cfg(not(target_arch = "powerpc"))]
#[macro_export]
#[unstable(feature = "stdsimd", issue = "27731")]
macro_rules! is_powerpc_feature_detected {
    ($t:tt) => {
        compile_error!(
            r#"
is_powerpc_feature_detected can only be used on PowerPC targets.
You can prevent it from being used in other architectures by
guarding it behind a cfg(target_arch) as follows:

    #[cfg(target_arch = "powerpc")] {
        if is_powerpc_feature_detected(...) { ... }
    }
"#
        )
    };
}

/// Prevents compilation if `is_powerpc64_feature_detected` is used somewhere
/// else than `PowerPC64` targets.
#[cfg(not(target_arch = "powerpc64"))]
#[macro_export]
#[unstable(feature = "stdsimd", issue = "27731")]
macro_rules! is_powerpc64_feature_detected {
    ($t:tt) => {
        compile_error!(
            r#"
is_powerpc64_feature_detected can only be used on PowerPC64 targets.
You can prevent it from being used in other architectures by
guarding it behind a cfg(target_arch) as follows:

    #[cfg(target_arch = "powerpc64")] {
        if is_powerpc64_feature_detected(...) { ... }
    }
"#
        )
    };
}

/// Prevents compilation if `is_mips_feature_detected` is used somewhere else
/// than `MIPS` targets.
#[cfg(not(target_arch = "mips"))]
#[macro_export]
#[unstable(feature = "stdsimd", issue = "27731")]
macro_rules! is_mips_feature_detected {
    ($t:tt) => {
        compile_error!(
            r#"
        is_mips_feature_detected can only be used on MIPS targets.
        You can prevent it from being used in other architectures by
        guarding it behind a cfg(target_arch) as follows:

            #[cfg(target_arch = "mips")] {
                if is_mips_feature_detected(...) { ... }
            }
        "#
        )
    };
}

/// Prevents compilation if `is_mips64_feature_detected` is used somewhere else
/// than `MIPS64` targets.
#[cfg(not(target_arch = "mips64"))]
#[macro_export]
#[unstable(feature = "stdsimd", issue = "27731")]
macro_rules! is_mips64_feature_detected {
    ($t:tt) => {
        compile_error!(
            r#"
        is_mips64_feature_detected can only be used on MIPS64 targets.
        You can prevent it from being used in other architectures by
        guarding it behind a cfg(target_arch) as follows:

            #[cfg(target_arch = "mips64")] {
                if is_mips64_feature_detected(...) { ... }
            }
        "#
        )
    };
}