r175183 - in /trunk/gcc: ChangeLog longlong.h

[hjl@gcc.gnu.org]

Author: hjl
Date: Sat Jun 18 15:35:10 2011
New Revision: 175183

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=175183
Log:
Use long long builtins of zero counting for x86-64.

2011-06-18  H.J. Lu  <hongjiu.lu@intel.com>

	* longlong.h (count_leading_zeros): Use long long builtin for
	x86-64.
	(count_trailing_zeros): Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/longlong.h