acle/hints: make sevl truly available on aarch64

addresses #557 (comment)
rust-lang · Feb 18, 2019 · bd71133 · bd71133
1 parent c8a6cc8
commit bd71133
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/crates/core_arch/src/acle/hints.rs b/crates/core_arch/src/acle/hints.rs
@@ -46,7 +46,10 @@ pub unsafe fn __sev() {
 /// instruction. In a multiprocessor system, it is not required to affect the
 /// other processors.
 // LLVM says "instruction requires: armv8"
-#[cfg(target_feature = "v8")]
+#[cfg(any(
+    target_feature = "v8", // 32-bit ARMv8
+    target_arch = "aarch64", // AArch64
+))]
 #[inline(always)]
 pub unsafe fn __sevl() {
     hint(HINT_SEVL);