1//! Run-time feature detection on ARM Aarch32.
2
3features! {
4 @TARGET: arm;
5 @CFG: target_arch = "arm";
6 @MACRO_NAME: is_arm_feature_detected;
7 @MACRO_ATTRS:
8 /// Checks if `arm` feature is enabled.
9 #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")]
10 @NO_RUNTIME_DETECTION: "v7";
11 @NO_RUNTIME_DETECTION: "vfp2";
12 @NO_RUNTIME_DETECTION: "vfp3";
13 @NO_RUNTIME_DETECTION: "vfp4";
14 @FEATURE: #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")] neon: "neon";
15 /// ARM Advanced SIMD (NEON) - Aarch32
16 @FEATURE: #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")] pmull: "pmull";
17 without cfg check: true;
18 /// Polynomial Multiply
19 @FEATURE: #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")] crc: "crc";
20 /// CRC32 (Cyclic Redundancy Check)
21 @FEATURE: #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")] aes: "aes";
22 /// FEAT_AES (AES instructions)
23 @FEATURE: #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")] sha2: "sha2";
24 /// FEAT_SHA1 & FEAT_SHA256 (SHA1 & SHA2-256 instructions)
25 @FEATURE: #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")] i8mm: "i8mm";
26 /// FEAT_I8MM (integer matrix multiplication, plus ASIMD support)
27 @FEATURE: #[unstable(feature = "stdarch_arm_feature_detection", issue = "111190")] dotprod: "dotprod";
28 /// FEAT_DotProd (Vector Dot-Product - ASIMDDP)
29}
30