* posix/sched_cpucount.c (__sched_cpucount): Allow using special

	instruction for counting bits.
	* sysdeps/x86_64/sched_cpucount.c: New file.

1 files changed, 26 insertions, 0 deletions

diff --git a/sysdeps/x86_64/sched_cpucount.c b/sysdeps/x86_64/sched_cpucount.c
new file mode 100644
index 0000000000..63d84a62e8
--- /dev/null
+++ b/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>