diff options
Diffstat (limited to 'libc/sysdeps/x86_64/sched_cpucount.c')
| -rw-r--r-- | libc/sysdeps/x86_64/sched_cpucount.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libc/sysdeps/x86_64/sched_cpucount.c b/libc/sysdeps/x86_64/sched_cpucount.c new file mode 100644 index 000000000..63d84a62e --- /dev/null +++ b/libc/sysdeps/x86_64/sched_cpucount.c @@ -0,0 +1,26 @@ +/* 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> |