diff --git a/Source/portable/CCS4/MSP430X/data_model.h b/Source/portable/CCS4/MSP430X/data_model.h
index 4cc526ef7..2f3ec5e5f 100644
--- a/Source/portable/CCS4/MSP430X/data_model.h
+++ b/Source/portable/CCS4/MSP430X/data_model.h
@@ -55,14 +55,12 @@
 		.define "push.a", push_x
 		.define "pop.a", pop_x
 		.define "mov.a", mov_x
-		.define "cmp.a", cmp_x
 	.else
 		.define "pushm.w", pushm_x
 		.define "popm.w", popm_x
 		.define "push.w", push_x
 		.define "pop.w", pop_x
 		.define "mov.w", mov_x
-		.define "cmp.w", cmp_x
 	.endif
 	
 	.if $DEFINED( __LARGE_CODE_MODEL__ )
diff --git a/Source/portable/GCC/ARM_CM3/port.c b/Source/portable/GCC/ARM_CM3/port.c
index 85d28c6ec..f601825c9 100644
--- a/Source/portable/GCC/ARM_CM3/port.c
+++ b/Source/portable/GCC/ARM_CM3/port.c
@@ -155,7 +155,7 @@ void vPortStartFirstTask( void )
 					" ldr r0, [r0] 			\n"
 					" ldr r0, [r0] 			\n"
 					" msr msp, r0			\n" /* Set the msp back to the start of the stack. */
-					" cpsie i				\n"
+					" cpsie i				\n" /* Globally enable interrupts. */
 					" svc 0					\n" /* System call to start first task. */
 					" nop					\n"
 				);
diff --git a/Source/portable/RVDS/ARM_CM3/port.c b/Source/portable/RVDS/ARM_CM3/port.c
index c864f821a..e0cd391c6 100644
--- a/Source/portable/RVDS/ARM_CM3/port.c
+++ b/Source/portable/RVDS/ARM_CM3/port.c
@@ -148,8 +148,9 @@ __asm void vPortStartFirstTask( void )
 	ldr r0, [r0]
 	/* Set the msp back to the start of the stack. */
 	msr msp, r0
-	/* Call SVC to start the first task. */
+	/* Globally enable interrupts. */
 	cpsie i
+	/* Call SVC to start the first task. */
 	svc 0
 	nop
 }