/* Highly optimized version for ix86, x>=6. Copyright (C) 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper , 1999. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include "asm-syntax.h" #include "bp-asm.h" #define PARMS LINKAGE /* no space for saved regs */ #define STR1 PARMS #define STR2 STR1+PTR_SIZE .text ENTRY (strcmp) ENTER movl STR1(%esp), %ecx movl STR2(%esp), %edx L(oop): movb (%ecx), %al incl %ecx cmpb (%edx), %al jne L(neq) incl %edx testb %al, %al jnz L(oop) xorl %eax, %eax jmp L(out) L(neq): movl $1, %eax ja L(out) negl %eax L(out): LEAVE ret END (strcmp)