microblaze: Adding likely macros
On the base on GCOV analytics is helpful to add likely/unlikely
macros.
Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/lib/memset.c b/arch/microblaze/lib/memset.c
index 4df851d..ecfb663 100644
--- a/arch/microblaze/lib/memset.c
+++ b/arch/microblaze/lib/memset.c
@@ -33,22 +33,23 @@
#ifdef __HAVE_ARCH_MEMSET
void *memset(void *v_src, int c, __kernel_size_t n)
{
-
char *src = v_src;
#ifdef CONFIG_OPT_LIB_FUNCTION
uint32_t *i_src;
- uint32_t w32;
+ uint32_t w32 = 0;
#endif
/* Truncate c to 8 bits */
c = (c & 0xFF);
#ifdef CONFIG_OPT_LIB_FUNCTION
- /* Make a repeating word out of it */
- w32 = c;
- w32 |= w32 << 8;
- w32 |= w32 << 16;
+ if (unlikely(c)) {
+ /* Make a repeating word out of it */
+ w32 = c;
+ w32 |= w32 << 8;
+ w32 |= w32 << 16;
+ }
- if (n >= 4) {
+ if (likely(n >= 4)) {
/* Align the destination to a word boundary */
/* This is done in an endian independant manner */
switch ((unsigned) src & 3) {