| commit | 7bd0d83b68675a72ce70f5f747bcee1cb63abcaa | |
| author | Dan Carpenter <dan.carpenter@oracle.com> | |
| Tue, 23 Dec 2014 08:12:30 +0000 (23 11:12 +0300) | ||
| committer | Dan Carpenter <dan.carpenter@oracle.com> | |
| Tue, 23 Dec 2014 08:12:30 +0000 (23 11:12 +0300) | ||
| tree | 9ebba7b22ebf02dd2267b3b95c5f3025efc1ae49 | treesnapshot (tar.gz zip) |
| parent | 2f2b857a58df579eb6c124907a2692ae95650c71 | commitdiff |
math: handle bitwise AND better (fix upper limit)
Example code:
foo = (x + 63) & ~63;
Assume that "x is 0-1024". The old code trimmed took "0-1024 + 63" and
trimmed away the lower 1-63 values giving "0,64-1087" but we can trim away
from the top as well so the new code says, "0,64-1024".
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Example code:
foo = (x + 63) & ~63;
Assume that "x is 0-1024". The old code trimmed took "0-1024 + 63" and
trimmed away the lower 1-63 values giving "0,64-1087" but we can trim away
from the top as well so the new code says, "0,64-1024".
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
| smatch_math.c | diffblobblamehistory |