diff --git a/wolfssl/wolfcrypt/sp.h b/wolfssl/wolfcrypt/sp.h
index b429d504a..f244325d9 100644
--- a/wolfssl/wolfcrypt/sp.h
+++ b/wolfssl/wolfcrypt/sp.h
@@ -49,7 +49,7 @@
     #define SP_NOINLINE __declspec(noinline)
 #elif defined(__ICCARM__) || defined(__IAR_SYSTEMS_ICC__)
     #define SP_NOINLINE _Pragma("inline = never")
-#elif defined(__GNUC__) || defined(__KEIL__)
+#elif defined(__GNUC__) || defined(__KEIL__) || defined(__DCC__)
     #define SP_NOINLINE __attribute__((noinline))
 #else
     #define SP_NOINLINE
diff --git a/wolfssl/wolfcrypt/types.h b/wolfssl/wolfcrypt/types.h
index 8d723ff77..9b5386f9f 100644
--- a/wolfssl/wolfcrypt/types.h
+++ b/wolfssl/wolfcrypt/types.h
@@ -259,6 +259,12 @@ decouple library dependencies with standard string, memory and so on.
             #endif
         #elif defined(__CCRX__)
             #define WC_INLINE inline
+        #elif defined(__DCC__)
+            #ifndef __cplusplus
+                #define WC_INLINE __inline__
+            #else
+                #define WC_INLINE inline
+            #endif
         #else
             #define WC_INLINE
         #endif