| commit | 084b13227e7f5597666391b9cc7dcc9cb91a2657 | |
| author | H. Peter Anvin <hpa@linux.intel.com> | |
| Wed, 21 Apr 2010 23:43:20 +0000 (21 16:43 -0700) | ||
| committer | H. Peter Anvin <hpa@linux.intel.com> | |
| Wed, 21 Apr 2010 23:43:20 +0000 (21 16:43 -0700) | ||
| tree | 5c1fb372a20bf8354780fc898f6b4887d768bdea | treesnapshot (tar.gz zip) |
| parent | 34543131ca11f7881329e869c695c06184309afe | commitdiff |
Add generic ilog2 functions
Add ilog2_{32,64}() and alignlog2_{32,64}() ... the latter is intended
for alignment statements and return -1 for non-power-of-2 other than 0
(which returns 0).
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Add ilog2_{32,64}() and alignlog2_{32,64}() ... the latter is intended
for alignment statements and return -1 for non-power-of-2 other than 0
(which returns 0).
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>