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topecongirotopecongiro
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Add a test for cfg_if
Files are taken from https://github.com/rust-lang-nursery/stdsimd/tree/6fd0f638e00b013d18cbcb54289dc1861333bb2a/crates/std_detect/src.
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+5330
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‎src/test/mod.rs

+4-1
Original file line numberDiff line numberDiff line change
@@ -25,6 +25,9 @@ const SKIP_FILE_WHITE_LIST: &[&str] = &[
2525
// so we do not want to test this file directly.
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"configs/skip_children/foo/mod.rs",
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"issue-3434/no_entry.rs",
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// These files and directory are a part of modules defined inside `cfg_if!`.
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"cfg_if/mod.rs",
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"cfg_if/detect",
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];
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3033
struct TestSetting {
@@ -56,7 +59,7 @@ where
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fn is_file_skip(path: &Path) -> bool {
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SKIP_FILE_WHITE_LIST
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.iter()
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.any(|file_path| path.ends_with(file_path))
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.any(|file_path| path.to_str().map_or(false, |s| s.contains(file_path)))
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}
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// Returns a `Vec` containing `PathBuf`s of files with an `rs` extension in the

‎tests/source/cfg_if/detect/arch/aarch64.rs

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@@ -0,0 +1,106 @@
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//! Aarch64 run-time features.
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/// Checks if `aarch64` feature is enabled.
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#[macro_export]
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#[unstable(feature = "stdsimd", issue = "27731")]
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#[allow_internal_unstable(stdsimd_internal,stdsimd)]
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macro_rules! is_aarch64_feature_detected {
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("neon") => {
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// FIXME: this should be removed once we rename Aarch64 neon to asimd
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cfg!(target_feature = "neon") ||
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$crate::detect::check_for($crate::detect::Feature::asimd)
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};
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("asimd") => {
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cfg!(target_feature = "neon") ||
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$crate::detect::check_for($crate::detect::Feature::asimd)
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};
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("pmull") => {
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cfg!(target_feature = "pmull") ||
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$crate::detect::check_for($crate::detect::Feature::pmull)
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};
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("fp") => {
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cfg!(target_feature = "fp") ||
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$crate::detect::check_for($crate::detect::Feature::fp)
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};
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("fp16") => {
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cfg!(target_feature = "fp16") ||
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$crate::detect::check_for($crate::detect::Feature::fp16)
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};
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("sve") => {
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cfg!(target_feature = "sve") ||
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$crate::detect::check_for($crate::detect::Feature::sve)
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};
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("crc") => {
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cfg!(target_feature = "crc") ||
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$crate::detect::check_for($crate::detect::Feature::crc)
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};
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("crypto") => {
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cfg!(target_feature = "crypto") ||
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$crate::detect::check_for($crate::detect::Feature::crypto)
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};
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("lse") => {
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cfg!(target_feature = "lse") ||
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$crate::detect::check_for($crate::detect::Feature::lse)
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};
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("rdm") => {
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cfg!(target_feature = "rdm") ||
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$crate::detect::check_for($crate::detect::Feature::rdm)
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};
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("rcpc") => {
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cfg!(target_feature = "rcpc") ||
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$crate::detect::check_for($crate::detect::Feature::rcpc)
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};
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("dotprod") => {
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cfg!(target_feature = "dotprod") ||
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$crate::detect::check_for($crate::detect::Feature::dotprod)
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};
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("ras") => {
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compile_error!("\"ras\" feature cannot be detected at run-time")
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};
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("v8.1a") => {
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compile_error!("\"v8.1a\" feature cannot be detected at run-time")
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};
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("v8.2a") => {
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compile_error!("\"v8.2a\" feature cannot be detected at run-time")
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};
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("v8.3a") => {
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compile_error!("\"v8.3a\" feature cannot be detected at run-time")
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};
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($t:tt,) => {
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is_aarch64_feature_detected!($t);
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};
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($t:tt) => { compile_error!(concat!("unknown aarch64 target feature: ", $t)) };
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}
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/// ARM Aarch64 CPU Feature enum. Each variant denotes a position in a bitset
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/// for a particular feature.
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///
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/// PLEASE: do not use this, it is an implementation detail subject to change.
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#[doc(hidden)]
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#[allow(non_camel_case_types)]
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#[repr(u8)]
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#[unstable(feature = "stdsimd_internal", issue = "0")]
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pub enum Feature {
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/// ARM Advanced SIMD (ASIMD)
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asimd,
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/// Polynomial Multiply
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pmull,
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/// Floating point support
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fp,
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/// Half-float support.
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fp16,
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/// Scalable Vector Extension (SVE)
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sve,
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/// CRC32 (Cyclic Redundancy Check)
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crc,
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/// Crypto: AES + PMULL + SHA1 + SHA2
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crypto,
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/// Atomics (Large System Extension)
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lse,
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/// Rounding Double Multiply (ASIMDRDM)
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rdm,
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/// Release consistent Processor consistent (RcPc)
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rcpc,
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/// Vector Dot-Product (ASIMDDP)
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dotprod,
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}

‎tests/source/cfg_if/detect/arch/arm.rs

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//! Run-time feature detection on ARM Aarch32.
2+
3+
/// Checks if `arm` feature is enabled.
4+
#[macro_export]
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#[unstable(feature = "stdsimd", issue = "27731")]
6+
#[allow_internal_unstable(stdsimd_internal,stdsimd)]
7+
macro_rules! is_arm_feature_detected {
8+
("neon") => {
9+
cfg!(target_feature = "neon") ||
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$crate::detect::check_for($crate::detect::Feature::neon)
11+
};
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("pmull") => {
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cfg!(target_feature = "pmull") ||
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$crate::detect::check_for($crate::detect::Feature::pmull)
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};
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("v7") => { compile_error!("\"v7\" feature cannot be detected at run-time") };
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("vfp2") => { compile_error!("\"vfp2\" feature cannot be detected at run-time") };
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("vfp3") => { compile_error!("\"vfp3\" feature cannot be detected at run-time") };
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("vfp4") => { compile_error!("\"vfp4\" feature cannot be detected at run-time") };
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($t:tt,) => {
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is_arm_feature_detected!($t);
22+
};
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($t:tt) => { compile_error!(concat!("unknown arm target feature: ", $t)) };
24+
}
25+
26+
/// ARM CPU Feature enum. Each variant denotes a position in a bitset for a
27+
/// particular feature.
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///
29+
/// PLEASE: do not use this, it is an implementation detail subject to change.
30+
#[doc(hidden)]
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#[allow(non_camel_case_types)]
32+
#[repr(u8)]
33+
#[unstable(feature = "stdsimd_internal", issue = "0")]
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pub enum Feature {
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/// ARM Advanced SIMD (NEON) - Aarch32
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neon,
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/// Polynomial Multiply
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pmull,
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}

‎tests/source/cfg_if/detect/arch/mips.rs

+29
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@@ -0,0 +1,29 @@
1+
//! Run-time feature detection on MIPS.
2+
3+
/// Checks if `mips` feature is enabled.
4+
#[macro_export]
5+
#[unstable(feature = "stdsimd", issue = "27731")]
6+
#[allow_internal_unstable(stdsimd_internal,stdsimd)]
7+
macro_rules! is_mips_feature_detected {
8+
("msa") => {
9+
cfg!(target_feature = "msa") ||
10+
$crate::detect::check_for($crate::detect::Feature::msa)
11+
};
12+
($t:tt,) => {
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is_mips_feature_detected!($t);
14+
};
15+
($t:tt) => { compile_error!(concat!("unknown mips target feature: ", $t)) };
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}
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18+
/// MIPS CPU Feature enum. Each variant denotes a position in a bitset for a
19+
/// particular feature.
20+
///
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/// PLEASE: do not use this, it is an implementation detail subject to change.
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#[doc(hidden)]
23+
#[allow(non_camel_case_types)]
24+
#[repr(u8)]
25+
#[unstable(feature = "stdsimd_internal", issue = "0")]
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pub enum Feature {
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/// MIPS SIMD Architecture (MSA)
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msa,
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}

‎tests/source/cfg_if/detect/arch/mips64.rs

+29
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@@ -0,0 +1,29 @@
1+
//! Run-time feature detection on MIPS64.
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3+
/// Checks if `mips64` feature is enabled.
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#[macro_export]
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#[unstable(feature = "stdsimd", issue = "27731")]
6+
#[allow_internal_unstable(stdsimd_internal,stdsimd)]
7+
macro_rules! is_mips64_feature_detected {
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("msa") => {
9+
cfg!(target_feature = "msa") ||
10+
$crate::detect::check_for($crate::detect::Feature::msa)
11+
};
12+
($t:tt,) => {
13+
is_mips64_feature_detected!($t);
14+
};
15+
($t:tt) => { compile_error!(concat!("unknown mips64 target feature: ", $t)) };
16+
}
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18+
/// MIPS64 CPU Feature enum. Each variant denotes a position in a bitset
19+
/// for a particular feature.
20+
///
21+
/// PLEASE: do not use this, it is an implementation detail subject to change.
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#[doc(hidden)]
23+
#[allow(non_camel_case_types)]
24+
#[repr(u8)]
25+
#[unstable(feature = "stdsimd_internal", issue = "0")]
26+
pub enum Feature {
27+
/// MIPS SIMD Architecture (MSA)
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msa,
29+
}

‎tests/source/cfg_if/detect/arch/powerpc.rs

+42
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@@ -0,0 +1,42 @@
1+
//! Run-time feature detection on PowerPC.
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3+
/// Checks if `powerpc` feature is enabled.
4+
#[macro_export]
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#[unstable(feature = "stdsimd", issue = "27731")]
6+
#[allow_internal_unstable(stdsimd_internal,stdsimd)]
7+
macro_rules! is_powerpc_feature_detected {
8+
("altivec") => {
9+
cfg!(target_feature = "altivec") ||
10+
$crate::detect::check_for($crate::detect::Feature::altivec)
11+
};
12+
("vsx") => {
13+
cfg!(target_feature = "vsx") ||
14+
$crate::detect::check_for($crate::detect::Feature::vsx)
15+
};
16+
("power8") => {
17+
cfg!(target_feature = "power8") ||
18+
$crate::detect::check_for($crate::detect::Feature::power8)
19+
};
20+
($t:tt,) => {
21+
is_powerpc_feature_detected!($t);
22+
};
23+
($t:tt) => { compile_error!(concat!("unknown powerpc target feature: ", $t)) };
24+
}
25+
26+
27+
/// PowerPC CPU Feature enum. Each variant denotes a position in a bitset
28+
/// for a particular feature.
29+
///
30+
/// PLEASE: do not use this, it is an implementation detail subject to change.
31+
#[doc(hidden)]
32+
#[allow(non_camel_case_types)]
33+
#[repr(u8)]
34+
#[unstable(feature = "stdsimd_internal", issue = "0")]
35+
pub enum Feature {
36+
/// Altivec
37+
altivec,
38+
/// VSX
39+
vsx,
40+
/// Power8
41+
power8,
42+
}

‎tests/source/cfg_if/detect/arch/powerpc64.rs

+42
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@@ -0,0 +1,42 @@
1+
//! Run-time feature detection on PowerPC64.
2+
3+
/// Checks if `powerpc64` feature is enabled.
4+
#[macro_export]
5+
#[unstable(feature = "stdsimd", issue = "27731")]
6+
#[allow_internal_unstable(stdsimd_internal,stdsimd)]
7+
macro_rules! is_powerpc64_feature_detected {
8+
("altivec") => {
9+
cfg!(target_feature = "altivec") ||
10+
$crate::detect::check_for($crate::detect::Feature::altivec)
11+
};
12+
("vsx") => {
13+
cfg!(target_feature = "vsx") ||
14+
$crate::detect::check_for($crate::detect::Feature::vsx)
15+
};
16+
("power8") => {
17+
cfg!(target_feature = "power8") ||
18+
$crate::detect::check_for($crate::detect::Feature::power8)
19+
};
20+
($t:tt,) => {
21+
is_powerpc64_feature_detected!($t);
22+
};
23+
($t:tt) => { compile_error!(concat!("unknown powerpc64 target feature: ", $t)) };
24+
}
25+
26+
27+
/// PowerPC64 CPU Feature enum. Each variant denotes a position in a bitset
28+
/// for a particular feature.
29+
///
30+
/// PLEASE: do not use this, it is an implementation detail subject to change.
31+
#[doc(hidden)]
32+
#[allow(non_camel_case_types)]
33+
#[repr(u8)]
34+
#[unstable(feature = "stdsimd_internal", issue = "0")]
35+
pub enum Feature {
36+
/// Altivec
37+
altivec,
38+
/// VSX
39+
vsx,
40+
/// Power8
41+
power8,
42+
}

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