mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-29 14:01:20 +00:00
36dffb2256
instruction for counting bits. * sysdeps/x86_64/sched_cpucount.c: New file.
27 lines
1.0 KiB
C
27 lines
1.0 KiB
C
/* Copyright (C) 2007 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 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. */
|
|
|
|
#ifdef __amdfam10
|
|
# define POPCNT(l) \
|
|
({ __cpu_mask r; \
|
|
asm ("popcntq %1, %0" : "=r" (r) : "0" (l)); \
|
|
r; })
|
|
#endif
|
|
|
|
#include <posix/sched_cpucount.c>
|