Commit 0bf428d7 authored by Stefan Behnel's avatar Stefan Behnel

do not use __builtin_expect with GCC < 2.96

parent a082dbd4
......@@ -2647,8 +2647,15 @@ if Options.gcc_branch_hints:
branch_prediction_macros = \
"""
#ifdef __GNUC__
/* Test for GCC > 2.95 */
#if __GNUC__ > 2 || \
(__GNUC__ == 2 && (__GNUC_MINOR__ > 95))
#define likely(x) __builtin_expect(!!(x), 1)
#define unlikely(x) __builtin_expect(!!(x), 0)
#else /* __GNUC__ > 2 ... */
#define likely(x) (x)
#define unlikely(x) (x)
#endif /* __GNUC__ > 2 ... */
#else /* __GNUC__ */
#define likely(x) (x)
#define unlikely(x) (x)
......
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