acle/{simd32,dsp}: not available on aarch64

addresses

#557 (comment)

#557 (comment)

crates/core_arch/src/acle/mod.rs

@@ -59,33 +59,45 @@ pub use self::registers::*;
 // Supported arches: 5TE, 7E-M. See Section 10.1 of ACLE (e.g. QADD)
 // We also include the A profile even though DSP is deprecated on that profile as of ACLE 2.0 (see
 // section 5.4.7)
-#[cfg(any(
-    // >= v5TE but excludes v7-A
-    all(target_feature = "v5te", not(target_feature = "mclass")),
-    // v7E-M
-    all(target_feature = "mclass", target_feature = "dsp"),
+#[cfg(all(
+    not(target_arch = "aarch64"),
+    any(
+        // >= v5TE but excludes v7-A
+        all(target_feature = "v5te", not(target_feature = "mclass")),
+        // v7E-M
+        all(target_feature = "mclass", target_feature = "dsp"),
+    )
 ))]
 mod dsp;
 
-#[cfg(any(
-    all(target_feature = "v5te", not(target_feature = "mclass")),
-    all(target_feature = "mclass", target_feature = "dsp"),
+#[cfg(all(
+    not(target_arch = "aarch64"),
+    any(
+        all(target_feature = "v5te", not(target_feature = "mclass")),
+        all(target_feature = "mclass", target_feature = "dsp"),
+    )
 ))]
 pub use self::dsp::*;
 
 // Deprecated in ACLE 2.0 for the A profile but fully supported on the M and R profiles, says
 // Section 5.4.9 of ACLE. We'll expose these for the A profile even if deprecated
-#[cfg(any(
-    // v7-A, v7-R
-    all(target_feature = "v6", not(target_feature = "mclass")),
-    // v7E-M
-    all(target_feature = "mclass", target_feature = "dsp")
+#[cfg(all(
+    not(target_arch = "aarch64"),
+    any(
+        // v7-A, v7-R
+        all(target_feature = "v6", not(target_feature = "mclass")),
+        // v7E-M
+        all(target_feature = "mclass", target_feature = "dsp")
+    )
 ))]
 mod simd32;
 
-#[cfg(any(
-    all(target_feature = "v6", not(target_feature = "mclass")),
-    all(target_feature = "mclass", target_feature = "dsp")
+#[cfg(all(
+    not(target_arch = "aarch64"),
+    any(
+        all(target_feature = "v6", not(target_feature = "mclass")),
+        all(target_feature = "mclass", target_feature = "dsp")
+    )
 ))]
 pub use self::simd32::*;