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authorJens Arnold <amiconn@rockbox.org>2006-09-07 00:16:04 +0000
committerJens Arnold <amiconn@rockbox.org>2006-09-07 00:16:04 +0000
commit9d2f7b5c6dd01e113abf5ff75fa24d389da1f244 (patch)
tree6468332a4cc60b3a1e38adfdbd55d97f1ac32b01 /firmware/common
parent825fb8a2649b187c27d93ec28a4bb87fa93797f2 (diff)
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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
Diffstat (limited to 'firmware/common')
-rwxr-xr-xfirmware/common/memset16.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/firmware/common/memset16.c b/firmware/common/memset16.c
index bc187a5..5f0fc3f 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 */
}