#include __FBSDID("$FreeBSD: head/lib/libc/amd64/string/bcmp.S 184547 2008-11-02 01:10:54Z peter $"); #if 0 RCSID("$NetBSD: bcmp.S,v 1.1 2001/06/19 00:25:04 fvdl Exp $") #endif ENTRY(bcmp) cld /* set compare direction forward */ movq %rdx,%rcx /* compare by words */ shrq $3,%rcx repe cmpsq jne L1 movq %rdx,%rcx /* compare remainder by bytes */ andq $7,%rcx repe cmpsb L1: setne %al movsbl %al,%eax ret END(bcmp)