/* Optimized strlen implementation for PowerPC. Copyright (C) 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. 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. */ .section ".text" .align 2 .globl strlen .type strlen,@function strlen: rlwinm 7,3,0,0,29 lis 8,0x7f7f lwz 11,0(7) ori 8,8,32639 rlwinm 4,3,3,27,28 li 9,-1 or 10,11,8 and 0,11,8 srw 9,9,4 add 0,0,8 nor 0,10,0 and. 11,0,9 bc 4,2,.L2 .L3: lwzu 11,4(7) or 10,11,8 and 0,11,8 add 0,0,8 nor. 11,10,0 bc 12,2,.L3 .L2: subf 0,3,7 cntlzw 3,11 srwi 3,3,3 add 3,0,3 blr .Lfe1: .size strlen,.Lfe1-strlen