/*

 * X86-64 compiler specific macros

 *

 * Copyright (c) 2005-2006 Hewlett-Packard Development Company, L.P.

 * Contributed by Stephane Eranian <eranian@hpl.hp.com>

 *

 * Permission is hereby granted, free of charge, to any person obtaining a copy

 * of this software and associated documentation files (the "Software"), to deal

 * in the Software without restriction, including without limitation the rights

 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies

 * of the Software, and to permit persons to whom the Software is furnished to do so,

 * subject to the following conditions:

 *

 * The above copyright notice and this permission notice shall be included in all

 * copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,

 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A

 * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF

 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE

 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

 */

#ifndef __PFMLIB_COMP_X86_64_H__

#define __PFMLIB_COMP_X86_64_H__

#ifndef __PFMLIB_COMP_H__

#error "you should never include this file directly, use pfmlib_comp.h"

#endif

#ifndef __x86_64__

#error "you should not be including this file"

#endif

#ifdef __cplusplus

extern "C" {

#endif

static inline unsigned long

pfmlib_popcnt(unsigned long v)

{

	unsigned long sum = 0;

	for(; v ; v >>=1) {

		if (v & 0x1) sum++;

	}

	return sum;

}

#ifdef __cplusplus /* extern C */

}

#endif

#endif /* __PFMLIB_COMP_IA64_H__ */