Change to MOVS for all targets

Author: sarahmarshy

platform/mbed_application.c

@@ -161,11 +161,7 @@ static void powerdown_scb(uint32_t vtor)
 
 __asm static void start_new_application(void *sp, void *pc)
 {
-#if defined(__CORTEX_M0PLUS)
     MOVS R2, #0
-#else
-    MOV R2, #0
-#endif
     MSR CONTROL, R2         // Switch to main stack
     MOV SP, R0
     MSR PRIMASK, R2         // Enable interrupts
@@ -177,13 +173,7 @@ __asm static void start_new_application(void *sp, void *pc)
 void start_new_application(void *sp, void *pc)
 {
     __asm volatile(
-#if defined(__CORTEX_M0PLUS)
-        "movs   r2, #0      \n" // No MOVW instruction on Cortex-M0+
-#else
-        "movw  r2, #0      \n" // Fail to compile "mov r2, #0" with ARMC6. Replace with MOVW.
-#endif
-        // We needn't "movt r2, #0" immediately following because MOVW
-        // will zero-extend the 16-bit immediate.
+        "movs   r2, #0      \n"
         "msr    control, r2 \n" // Switch to main stack
         "mov    sp, %0      \n"
         "msr    primask, r2 \n" // Enable interrupts