From 7da5085f076aba376c75f9c6b54d4b261c63ae02 Mon Sep 17 00:00:00 2001 From: Love Hornquist Astrand Date: Wed, 18 May 2011 21:23:04 -0700 Subject: [PATCH] introduce heim_builtin_expect --- base/heimbase.h | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/base/heimbase.h b/base/heimbase.h index d1ca5aa89..ad1b3f0c4 100644 --- a/base/heimbase.h +++ b/base/heimbase.h @@ -48,6 +48,22 @@ typedef heim_object_t heim_null_t; #define HEIM_BASE_ONCE_INIT 0 typedef long heim_base_once_t; /* XXX arch dependant */ +#if !defined(__has_extension) +#define __has_extension(x) 0 +#endif + +#define HEIM_REQUIRE_GNUC(m,n,p) \ + (((__GNUC__ * 10000) + (__GNUC_MINOR__ * 100) + __GNUC_PATCHLEVEL__) >= \ + (((m) * 10000) + ((n) * 100) + (p))) + + +#if __has_extension(__builtin_expect) || HEIM_REQUIRE_GNUC(3,0,0) +#define heim_builtin_expect(_op,_res) __builtin_expect(_op,_res) +#else +#define heim_builtin_expect(_op,_res) (_op) +#endif + + void * heim_retain(heim_object_t); void heim_release(heim_object_t); @@ -79,7 +95,7 @@ heim_abortv(const char *fmt, va_list ap) HEIMDAL_PRINTF_ATTRIBUTE((printf, 1, 0)); #define heim_assert(e,t) \ - (__builtin_expect(!(e), 0) ? heim_abort(t ":" #e) : (void)0) + (heim_builtin_expect(!(e), 0) ? heim_abort(t ":" #e) : (void)0) /* *