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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/tools/rustfmt/tests/target/cfg_if/detect/arch/aarch64.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/tools/rustfmt/tests/target/cfg_if/detect/arch/aarch64.rs')
-rw-r--r--src/tools/rustfmt/tests/target/cfg_if/detect/arch/aarch64.rs98
1 files changed, 98 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/target/cfg_if/detect/arch/aarch64.rs b/src/tools/rustfmt/tests/target/cfg_if/detect/arch/aarch64.rs
new file mode 100644
index 000000000..91c51ed89
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/cfg_if/detect/arch/aarch64.rs
@@ -0,0 +1,98 @@
+//! Aarch64 run-time features.
+
+/// Checks if `aarch64` feature is enabled.
+#[macro_export]
+#[unstable(feature = "stdsimd", issue = "27731")]
+#[allow_internal_unstable(stdsimd_internal, stdsimd)]
+macro_rules! is_aarch64_feature_detected {
+ ("neon") => {
+ // FIXME: this should be removed once we rename Aarch64 neon to asimd
+ cfg!(target_feature = "neon") || $crate::detect::check_for($crate::detect::Feature::asimd)
+ };
+ ("asimd") => {
+ cfg!(target_feature = "neon") || $crate::detect::check_for($crate::detect::Feature::asimd)
+ };
+ ("pmull") => {
+ cfg!(target_feature = "pmull") || $crate::detect::check_for($crate::detect::Feature::pmull)
+ };
+ ("fp") => {
+ cfg!(target_feature = "fp") || $crate::detect::check_for($crate::detect::Feature::fp)
+ };
+ ("fp16") => {
+ cfg!(target_feature = "fp16") || $crate::detect::check_for($crate::detect::Feature::fp16)
+ };
+ ("sve") => {
+ cfg!(target_feature = "sve") || $crate::detect::check_for($crate::detect::Feature::sve)
+ };
+ ("crc") => {
+ cfg!(target_feature = "crc") || $crate::detect::check_for($crate::detect::Feature::crc)
+ };
+ ("crypto") => {
+ cfg!(target_feature = "crypto")
+ || $crate::detect::check_for($crate::detect::Feature::crypto)
+ };
+ ("lse") => {
+ cfg!(target_feature = "lse") || $crate::detect::check_for($crate::detect::Feature::lse)
+ };
+ ("rdm") => {
+ cfg!(target_feature = "rdm") || $crate::detect::check_for($crate::detect::Feature::rdm)
+ };
+ ("rcpc") => {
+ cfg!(target_feature = "rcpc") || $crate::detect::check_for($crate::detect::Feature::rcpc)
+ };
+ ("dotprod") => {
+ cfg!(target_feature = "dotprod")
+ || $crate::detect::check_for($crate::detect::Feature::dotprod)
+ };
+ ("ras") => {
+ compile_error!("\"ras\" feature cannot be detected at run-time")
+ };
+ ("v8.1a") => {
+ compile_error!("\"v8.1a\" feature cannot be detected at run-time")
+ };
+ ("v8.2a") => {
+ compile_error!("\"v8.2a\" feature cannot be detected at run-time")
+ };
+ ("v8.3a") => {
+ compile_error!("\"v8.3a\" feature cannot be detected at run-time")
+ };
+ ($t:tt,) => {
+ is_aarch64_feature_detected!($t);
+ };
+ ($t:tt) => {
+ compile_error!(concat!("unknown aarch64 target feature: ", $t))
+ };
+}
+
+/// ARM Aarch64 CPU Feature enum. Each variant denotes a position in a bitset
+/// for a particular feature.
+///
+/// PLEASE: do not use this, it is an implementation detail subject to change.
+#[doc(hidden)]
+#[allow(non_camel_case_types)]
+#[repr(u8)]
+#[unstable(feature = "stdsimd_internal", issue = "0")]
+pub enum Feature {
+ /// ARM Advanced SIMD (ASIMD)
+ asimd,
+ /// Polynomial Multiply
+ pmull,
+ /// Floating point support
+ fp,
+ /// Half-float support.
+ fp16,
+ /// Scalable Vector Extension (SVE)
+ sve,
+ /// CRC32 (Cyclic Redundancy Check)
+ crc,
+ /// Crypto: AES + PMULL + SHA1 + SHA2
+ crypto,
+ /// Atomics (Large System Extension)
+ lse,
+ /// Rounding Double Multiply (ASIMDRDM)
+ rdm,
+ /// Release consistent Processor consistent (RcPc)
+ rcpc,
+ /// Vector Dot-Product (ASIMDDP)
+ dotprod,
+}