Revert "libc: memmove(): non-overlapping block optim."

This reverts commit 80fba9a2fe,
which caused the system to not boot anymore, aborting with:
"java.lang.RuntimeException: Missing static main on com.android.server.SystemServer".

Change-Id: I745e0a23c728cccf5f95a3c7642d544478a4e57e
This commit is contained in:
Marco Nelissen 2010-09-28 10:24:20 -07:00
parent defd162212
commit af00228b70

View file

@ -31,11 +31,7 @@ void *memmove(void *dst, const void *src, size_t n)
{
const char *p = src;
char *q = dst;
/* we can use highgly-optimized memcpy() if the destination
* is before the source, or if the two blocks are non-overlapping
*/
if (__builtin_expect((q < p || (q-p) <= (ptrdiff_t)n), 1)) {
if (__builtin_expect(q < p, 1)) {
return memcpy(dst, src, n);
} else {
#define PRELOAD_DISTANCE 64