diff --git a/macros/Cargo.toml b/macros/Cargo.toml
index e4f5cc2379..f9d8add79c 100644
--- a/macros/Cargo.toml
+++ b/macros/Cargo.toml
@@ -12,7 +12,7 @@ license = "MIT OR Apache-2.0"
 name = "cortex-m-rtic-macros"
 readme = "../README.md"
 repository = "https://github.com/rtic-rs/cortex-m-rtic"
-version = "1.1.2"
+version = "1.1.3"
 
 [lib]
 proc-macro = true
diff --git a/macros/src/codegen/assertions.rs b/macros/src/codegen/assertions.rs
index 36ab036445..f6a098b5e6 100644
--- a/macros/src/codegen/assertions.rs
+++ b/macros/src/codegen/assertions.rs
@@ -28,7 +28,11 @@ pub fn codegen(app: &App, analysis: &Analysis, extra: &Extra) -> Vec<TokenStream
         .filter_map(|(_, task)| {
             if !util::is_exception(&task.args.binds) {
                 let interrupt_name = &task.args.binds;
-                Some(quote!(assert!((#device::Interrupt::#interrupt_name as u32) < 32);))
+                Some(quote!(
+                    if (#device::Interrupt::#interrupt_name as u32) > 31 {
+                        ::core::panic!("An interrupt above value 31 is used while in armv6");
+                    }
+                ))
             } else {
                 None
             }
diff --git a/macros/src/codegen/pre_init.rs b/macros/src/codegen/pre_init.rs
index ae2fd0503f..3d541a4749 100644
--- a/macros/src/codegen/pre_init.rs
+++ b/macros/src/codegen/pre_init.rs
@@ -55,7 +55,7 @@ pub fn codegen(app: &App, analysis: &Analysis, extra: &Extra) -> Vec<TokenStream
         );
         // Compile time assert that this priority is supported by the device
         stmts.push(quote!(
-            const _: () = assert!((1 << #nvic_prio_bits) >= #priority as usize, #es);
+            const _: () =  if (1 << #nvic_prio_bits) < #priority as usize { ::core::panic!(#es); };
         ));
 
         stmts.push(quote!(
@@ -84,7 +84,7 @@ pub fn codegen(app: &App, analysis: &Analysis, extra: &Extra) -> Vec<TokenStream
         );
         // Compile time assert that this priority is supported by the device
         stmts.push(quote!(
-            const _: () = assert!((1 << #nvic_prio_bits) >= #priority as usize, #es);
+            const _: () =  if (1 << #nvic_prio_bits) < #priority as usize { ::core::panic!(#es); };
         ));
 
         stmts.push(quote!(core.SCB.set_priority(
@@ -109,7 +109,7 @@ pub fn codegen(app: &App, analysis: &Analysis, extra: &Extra) -> Vec<TokenStream
         );
         // Compile time assert that this priority is supported by the device
         stmts.push(quote!(
-            const _: () = assert!((1 << #nvic_prio_bits) >= #priority as usize, #es);
+            const _: () =  if (1 << #nvic_prio_bits) < #priority as usize { ::core::panic!(#es); };
         ));
 
         let mono_type = &monotonic.ty;
diff --git a/src/export.rs b/src/export.rs
index 42f3fe2e34..6e1e4a6567 100644
--- a/src/export.rs
+++ b/src/export.rs
@@ -66,7 +66,9 @@ impl Barrier {
     }
 
     pub fn wait(&self) {
-        while !self.inner.load(Ordering::Acquire) {}
+        while !self.inner.load(Ordering::Acquire) {
+            core::hint::spin_loop()
+        }
     }
 }