Move `std_detect` from `library/stdarch` to `library`

1 files changed, 29 insertions, 0 deletions

diff --git a/library/std_detect/src/detect/arch/arm.rs b/library/std_detect/src/detect/arch/arm.rs
new file mode 100644
index 00000000000..c3c8883ce31
--- /dev/null
+++ b/library/std_detect/src/detect/arch/arm.rs
@@ -0,0 +1,29 @@
+//! Run-time feature detection on ARM Aarch32.
+
+features! {
+    @TARGET: arm;
+    @CFG: target_arch = "arm";
+    @MACRO_NAME: is_arm_feature_detected;
+    @MACRO_ATTRS:
+    /// Checks if `arm` feature is enabled.
+    #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")]
+    @NO_RUNTIME_DETECTION: "v7";
+    @NO_RUNTIME_DETECTION: "vfp2";
+    @NO_RUNTIME_DETECTION: "vfp3";
+    @NO_RUNTIME_DETECTION: "vfp4";
+    @FEATURE: #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")] neon: "neon";
+    /// ARM Advanced SIMD (NEON) - Aarch32
+    @FEATURE: #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")] pmull: "pmull";
+    without cfg check: true;
+    /// Polynomial Multiply
+    @FEATURE: #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")] crc: "crc";
+    /// CRC32 (Cyclic Redundancy Check)
+    @FEATURE: #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")] aes: "aes";
+    /// FEAT_AES (AES instructions)
+    @FEATURE: #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")] sha2: "sha2";
+    /// FEAT_SHA1 & FEAT_SHA256 (SHA1 & SHA2-256 instructions)
+    @FEATURE: #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")] i8mm: "i8mm";
+    /// FEAT_I8MM (integer matrix multiplication, plus ASIMD support)
+    @FEATURE: #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")] dotprod: "dotprod";
+    /// FEAT_DotProd (Vector Dot-Product - ASIMDDP)
+}