Add std_detect::detect::features() -> impl Iterator<Item=(&'static str, bool)> API

1 files changed, 19 insertions, 12 deletions

diff --git a/library/stdarch/crates/std_detect/tests/cpu-detection.rs b/library/stdarch/crates/std_detect/tests/cpu-detection.rs
index d0c9901c4cd..d441f4e1eff 100644
--- a/library/stdarch/crates/std_detect/tests/cpu-detection.rs
+++ b/library/stdarch/crates/std_detect/tests/cpu-detection.rs
@@ -1,7 +1,6 @@
 #![feature(stdsimd)]
 #![allow(clippy::option_unwrap_used, clippy::use_debug, clippy::print_stdout)]
-
-#[cfg(any(
+#![cfg(any(
     target_arch = "arm",
     target_arch = "aarch64",
     target_arch = "x86",
@@ -9,10 +8,18 @@
     target_arch = "powerpc",
     target_arch = "powerpc64"
 ))]
+
 #[macro_use]
 extern crate std_detect;
 
 #[test]
+fn all() {
+    for (f, e) in std_detect::detect::features() {
+        println!("{}: {}", f, e);
+    }
+}
+
+#[test]
 #[cfg(all(target_arch = "arm", any(target_os = "linux", target_os = "android")))]
 fn arm_linux() {
     println!("neon: {}", is_arm_feature_detected!("neon"));
@@ -73,17 +80,17 @@ fn x86_all() {
     println!("sha: {:?}", is_x86_feature_detected!("sha"));
     println!("avx: {:?}", is_x86_feature_detected!("avx"));
     println!("avx2: {:?}", is_x86_feature_detected!("avx2"));
-    println!("avx512f {:?}", is_x86_feature_detected!("avx512f"));
-    println!("avx512cd {:?}", is_x86_feature_detected!("avx512cd"));
-    println!("avx512er {:?}", is_x86_feature_detected!("avx512er"));
-    println!("avx512pf {:?}", is_x86_feature_detected!("avx512pf"));
-    println!("avx512bw {:?}", is_x86_feature_detected!("avx512bw"));
-    println!("avx512dq {:?}", is_x86_feature_detected!("avx512dq"));
-    println!("avx512vl {:?}", is_x86_feature_detected!("avx512vl"));
-    println!("avx512_ifma {:?}", is_x86_feature_detected!("avx512ifma"));
-    println!("avx512_vbmi {:?}", is_x86_feature_detected!("avx512vbmi"));
+    println!("avx512f: {:?}", is_x86_feature_detected!("avx512f"));
+    println!("avx512cd: {:?}", is_x86_feature_detected!("avx512cd"));
+    println!("avx512er: {:?}", is_x86_feature_detected!("avx512er"));
+    println!("avx512pf: {:?}", is_x86_feature_detected!("avx512pf"));
+    println!("avx512bw: {:?}", is_x86_feature_detected!("avx512bw"));
+    println!("avx512dq: {:?}", is_x86_feature_detected!("avx512dq"));
+    println!("avx512vl: {:?}", is_x86_feature_detected!("avx512vl"));
+    println!("avx512ifma: {:?}", is_x86_feature_detected!("avx512ifma"));
+    println!("avx512vbmi: {:?}", is_x86_feature_detected!("avx512vbmi"));
     println!(
-        "avx512_vpopcntdq {:?}",
+        "avx512vpopcntdq: {:?}",
         is_x86_feature_detected!("avx512vpopcntdq")
     );
     println!("f16c: {:?}", is_x86_feature_detected!("f16c"));