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authorMichal Simek <monstr@monstr.eu>2010-03-23 15:37:02 +0100
committerMichal Simek <monstr@monstr.eu>2010-04-01 08:38:24 +0200
commit78ebfa884bcef125464399f8d1cb05937bfeb6e1 (patch)
tree594faeddafb18ab0deca09ef5cc119d21aee4e0e /arch/microblaze/lib
parent13851966da54be8e37863aa93ee2c8f3d3a3186a (diff)
downloadlinux-78ebfa884bcef125464399f8d1cb05937bfeb6e1.tar.gz
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>
Diffstat (limited to 'arch/microblaze/lib')
-rw-r--r--arch/microblaze/lib/memcpy.c2
-rw-r--r--arch/microblaze/lib/memset.c15
2 files changed, 9 insertions, 8 deletions
diff --git a/arch/microblaze/lib/memcpy.c b/arch/microblaze/lib/memcpy.c
index cc2108b6b26..014bac92bdf 100644
--- a/arch/microblaze/lib/memcpy.c
+++ b/arch/microblaze/lib/memcpy.c
@@ -53,7 +53,7 @@ void *memcpy(void *v_dst, const void *v_src, __kernel_size_t c)
const uint32_t *i_src;
uint32_t *i_dst;
- if (c >= 4) {
+ if (likely(c >= 4)) {
unsigned value, buf_hold;
/* Align the dstination to a word boundry. */
diff --git a/arch/microblaze/lib/memset.c b/arch/microblaze/lib/memset.c
index 4df851d41a2..ecfb663e1fc 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) {