Merge pull request #2 from M3gaFr3ak/patch-1

Fixes "Registers may not be the same" error
jeremyherbert · Oct 18, 2015 · e18a0df · e18a0df
2 parents 8bb8c9d + c3b9b2e
commit e18a0df
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/stm32vl-discovery/lib/src/core/core_cm3.c b/stm32vl-discovery/lib/src/core/core_cm3.c
@@ -733,7 +733,7 @@ uint32_t __STREXB(uint8_t value, uint8_t *addr)
 {
    uint32_t result=0;
 
-   __ASM volatile ("strexb %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) );
+   __ASM volatile ("strexb %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
    return(result);
 }
 
@@ -750,7 +750,7 @@ uint32_t __STREXH(uint16_t value, uint16_t *addr)
 {
    uint32_t result=0;
 
-   __ASM volatile ("strexh %0, %2, [%1]" : "=r" (result) : "r" (addr), "r" (value) );
+   __ASM volatile ("strexh %0, %2, [%1]" : "=&r" (result) : "r" (addr), "r" (value) );
    return(result);
 }