acle/hints: use asm! for __nop

addresses #557 (comment)
rust-lang · Feb 18, 2019 · 2c8c8f0 · 2c8c8f0
1 parent 33f51f2
commit 2c8c8f0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/crates/core_arch/src/acle/hints.rs b/crates/core_arch/src/acle/hints.rs
@@ -114,7 +114,7 @@ pub unsafe fn __dbg(imm4: u32) {
 /// will increase execution time.
 #[inline(always)]
 pub unsafe fn __nop() {
-    hint(HINT_NOP);
+    asm!("NOP" : : : : "volatile")
 }
 
 extern "C" {