diff options
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/s390-linux-tdep.c | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index d180e38..f922735 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2015-04-27 Andreas Arnez <arnez@linux.vnet.ibm.com> + + * s390-linux-tdep.c (is_power_of_two): Add comment. Return + false if the argument is zero. + 2015-04-27 Pierre-Marie de Rodat <derodat@adacore.com> * ada-lang.c (template_to_static_fixed_type): Return input type diff --git a/gdb/s390-linux-tdep.c b/gdb/s390-linux-tdep.c index b83a264..44feee7 100644 --- a/gdb/s390-linux-tdep.c +++ b/gdb/s390-linux-tdep.c @@ -2484,11 +2484,12 @@ is_float_like (struct type *type) || is_float_singleton (type)); } +/* Determine whether N is a power of two. */ static int is_power_of_two (unsigned int n) { - return ((n & (n - 1)) == 0); + return n && ((n & (n - 1)) == 0); } /* Return non-zero if TYPE should be passed as a pointer to a copy, |