diff options
| author | Chris Metcalf <[email protected]> | 2012-05-25 16:32:09 +0000 |
|---|---|---|
| committer | Chris Metcalf <[email protected]> | 2012-05-25 19:00:43 +0000 |
| commit | 9f1d62bed7f015d11b9164078b7fea433b474114 (patch) | |
| tree | 951254ba2d3ed4fef376351c4ed68b06be3b928d /tools/perf/util/trace-event-scripting.c | |
| parent | arch/tile: mark TILEGX as not EXPERIMENTAL (diff) | |
| download | kernel-9f1d62bed7f015d11b9164078b7fea433b474114.tar.gz kernel-9f1d62bed7f015d11b9164078b7fea433b474114.zip | |
tile: fix bug where fls(0) was not returning 0
This is because __builtin_clz(0) returns 64 for the "undefined" case
of 0, since the builtin just does a right-shift 32 and "clz" instruction.
So, use the alpha approach of casting to u32 and using __builtin_clzll().
Cc: [email protected]
Signed-off-by: Chris Metcalf <[email protected]>
Diffstat (limited to 'tools/perf/util/trace-event-scripting.c')
0 files changed, 0 insertions, 0 deletions