diff --git a/os/common/ports/e200/compilers/GCC/chcoreasm.S b/os/common/ports/e200/compilers/GCC/chcoreasm.S
index e031eb801..80e6dd0eb 100644
--- a/os/common/ports/e200/compilers/GCC/chcoreasm.S
+++ b/os/common/ports/e200/compilers/GCC/chcoreasm.S
@@ -46,6 +46,10 @@
 #include "chconf.h"
 #include "chcore.h"
 
+#if defined(__HIGHTEC__)
+#define e_subi subi
+#endif
+
 #if !defined(__DOXYGEN__)
 
 /*
diff --git a/os/common/ports/e200/compilers/GCC/ivor.S b/os/common/ports/e200/compilers/GCC/ivor.S
index 980c17ade..8f1c61c65 100644
--- a/os/common/ports/e200/compilers/GCC/ivor.S
+++ b/os/common/ports/e200/compilers/GCC/ivor.S
@@ -41,6 +41,10 @@
 #include "chconf.h"
 #include "chcore.h"
 
+#if defined(__HIGHTEC__)
+#define se_beq beq
+#endif
+
 #if !defined(__DOXYGEN__)
 
         .section    .handlers, "ax"
diff --git a/os/common/startup/e200/compilers/GCC/crt0.S b/os/common/startup/e200/compilers/GCC/crt0.S
index ebd363781..7015cc910 100644
--- a/os/common/startup/e200/compilers/GCC/crt0.S
+++ b/os/common/startup/e200/compilers/GCC/crt0.S
@@ -34,6 +34,10 @@
 #define TRUE                                1
 #endif
 
+#if defined(__HIGHTEC__)
+#define se_bge bge
+#endif
+
 /*===========================================================================*/
 /* Module pre-compile time settings.                                         */
 /*===========================================================================*/
diff --git a/os/common/startup/e200/devices/SPC560Dxx/boot.S b/os/common/startup/e200/devices/SPC560Dxx/boot.S
index 6e32e2e5a..e559f713a 100644
--- a/os/common/startup/e200/devices/SPC560Dxx/boot.S
+++ b/os/common/startup/e200/devices/SPC560Dxx/boot.S
@@ -24,6 +24,10 @@
 
 #include "boot.h"
 
+#if defined(__HIGHTEC__)
+#define se_bge bge
+#endif
+
 #if !defined(__DOXYGEN__)
 
         /* BAM record.*/