2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
16 * Copyright (C) IBM Corporation, 2010
18 * Author: Anton Blanchard <anton@au.ibm.com>
20 #include <asm/processor.h>
21 #include <asm/ppc_asm.h>
23 /* Note: This code relies on -mminimal-toc */
25 _GLOBAL(__arch_hweight8)
34 ALT_FTR_SECTION_END_IFCLR(CPU_FTR_POPCNTB)
36 _GLOBAL(__arch_hweight16)
44 BEGIN_FTR_SECTION_NESTED(50)
50 FTR_SECTION_ELSE_NESTED(50)
55 ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_POPCNTD, 50)
56 ALT_FTR_SECTION_END_IFCLR(CPU_FTR_POPCNTB)
58 _GLOBAL(__arch_hweight32)
68 BEGIN_FTR_SECTION_NESTED(51)
76 FTR_SECTION_ELSE_NESTED(51)
80 ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_POPCNTD, 51)
81 ALT_FTR_SECTION_END_IFCLR(CPU_FTR_POPCNTB)
83 _GLOBAL(__arch_hweight64)
95 BEGIN_FTR_SECTION_NESTED(52)
105 FTR_SECTION_ELSE_NESTED(52)
109 ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_POPCNTD, 52)
110 ALT_FTR_SECTION_END_IFCLR(CPU_FTR_POPCNTB)