Assembler optimised memset16() for ARM, by Thom Johansen. Should speed up LCD clearing and solid rectangle drawing on colour iPods somewhat.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10900 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 1 insertions, 5 deletions

diff --git a/firmware/common/memset16.c b/firmware/common/memset16.c
index bc187a5d25..5f0fc3fe08 100755
--- a/firmware/common/memset16.c
+++ b/firmware/common/memset16.c
@@ -22,15 +22,13 @@
 #define UNALIGNED(X)   ((long)X & (sizeof(long) - 1))
 #define TOO_SMALL(LEN) ((LEN) < LBLOCKSIZE)
 
-void *memset16(void *dst, int val, size_t len)
+void memset16(void *dst, int val, size_t len)
 {
 #if defined(PREFER_SIZE_OVER_SPEED) || defined(__OPTIMIZE_SIZE__)
     unsigned short *p = (unsigned short *)dst;
 
     while (len--)
         *p++ = val;
-
-    return dst;
 #else
     unsigned short *p = (unsigned short *)dst;
     unsigned int i;
@@ -73,7 +71,5 @@ void *memset16(void *dst, int val, size_t len)
 
     while (len--)
         *p++ = val;
-
-    return dst;
 #endif /* not PREFER_SIZE_OVER_SPEED */
 }