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(likely): Make them work even for non-GCC (or old GCC) compilers.

Browse source 
(unlikely): Ditto.
(debug): Print to stderr.
(dprintf): Ditto.

(Logical change 1.48)
This commit is contained in:
hp.com!davidm 2003-02-15 03:10:30 +00:00
parent 7fd45d122c
commit a45c88823a
1 changed files with 11 additions and 6 deletions

17
include/internal.h
View file

@ -38,12 +38,17 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
# else
# define HIDDEN
# endif
# define likely(x) __builtin_expect ((x), 1)
# define unlikely(x) __builtin_expect ((x), 0)
# if (__GNUC__ >= 3)
# define likely(x) __builtin_expect ((x), 1)
# define unlikely(x) __builtin_expect ((x), 0)
# else
# define likely(x) (x)
# define unlikely(x) (x)
# endif
#else
# define HIDDEN
# define likely(x)
# define unlikely(x)
# define likely(x) (x)
# define unlikely(x) (x)
#endif
#ifdef DEBUG
@ -53,9 +58,9 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
#if UNW_DEBUG
# include <stdio.h>
# define debug(level,format...) \
do { if (tdep_debug_level > level) printf (format); } while (0)
do { if (tdep_debug_level > level) fprintf (stderr, format); } while (0)
# define dprintf(format...) \
printf (format)
fprintf (stderr, format)
# ifdef __GNUC__
# define inline __attribute__ ((unused))
# endif