| /* Highly optimized version for x86-64. |
| Copyright (C) 1999, 2000, 2002, 2003, 2005 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Based on i686 version contributed by Ulrich Drepper |
| <drepper@cygnus.com>, 1999. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include "_glibc_inc.h" |
| |
| .text |
| ENTRY (BP_SYM (strcmp)) |
| L(oop): movb (%rdi), %al |
| cmpb (%rsi), %al |
| jne L(neq) |
| incq %rdi |
| incq %rsi |
| testb %al, %al |
| jnz L(oop) |
| |
| xorl %eax, %eax |
| ret |
| |
| L(neq): movl $1, %eax |
| movl $-1, %ecx |
| cmovbl %ecx, %eax |
| ret |
| END (BP_SYM (strcmp)) |
| |
| libc_hidden_def(strcmp) |
| #ifndef __UCLIBC_HAS_LOCALE__ |
| strong_alias(strcmp,strcoll) |
| libc_hidden_def(strcoll) |
| #endif |