From a45c88823ab3825fde3264f1f056a0c0faa7ba8a Mon Sep 17 00:00:00 2001
From: "hp.com!davidm" <hp.com!davidm>
Date: Sat, 15 Feb 2003 03:10:30 +0000
Subject: [PATCH] (likely): Make them work even for non-GCC (or old GCC)
compilers. (unlikely): Ditto. (debug): Print to stderr. (dprintf): Ditto.
(Logical change 1.48)
---
include/internal.h | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/include/internal.h b/include/internal.h
index 428ca476..7019a68a 100644
--- a/include/internal.h
+++ b/include/internal.h
@@ -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