101068c1f4
Support memcpy() with enhanced rep movsb. On processors supporting enhanced rep movsb, the alternative memcpy() function using enhanced rep movsb overrides the original function and the fast string function. Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Link: http://lkml.kernel.org/r/1305671358-14478-8-git-send-email-fenghua.yu@intel.com Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>