Add CPSR to asm::delay's clobber flags. Fixes #195

adamgreig · adamgreig · commit e106d4a8b5aa · 2020-03-15T19:33:05.000Z
diff --git a/src/asm.rs b/src/asm.rs
@@ -42,7 +42,7 @@ pub fn delay(_n: u32) {
                   bne.n 1b"
                  : "+r"(_n / 4 + 1)
                  :
-                 :
+                 : "cpsr"
                  : "volatile");
         },
 
