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* assert/assert.h: Give up on using __builtin_expect.
This commit is contained in:
Ulrich Drepper 2004-10-04 07:45:53 +00:00
parent 7548969348
commit 76db92835d
2 changed files with 5 additions and 20 deletions
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@ -1,5 +1,7 @@
2004-10-04 Ulrich Drepper <drepper@redhat.com>
* assert/assert.h: Give up on using __builtin_expect.
* elf/rtld.c (dl_main): Only skip => output in ldd mode if both
strings are identical.

19
assert/assert.h
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@ -1,4 +1,4 @@
/* Copyright (C) 1991,1992,1994-2001,2003 Free Software Foundation, Inc.
/* Copyright (C) 1991,1992,1994-2001,2003,2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -84,34 +84,17 @@ extern void __assert (const char *__assertion, const char *__file, int __line)
__END_DECLS
/* For the macro definition we use gcc's __builtin_expect if possible
to generate good code for the non-error case. gcc 3.0 is a good
enough estimate for when the feature became available. */
# if __GNUC_PREREQ (3, 0)
# define assert(expr) \
(__ASSERT_VOID_CAST (__builtin_expect (!!(expr), 1) ? 0 : \
(__assert_fail (__STRING(expr), __FILE__, __LINE__, \
__ASSERT_FUNCTION), 0)))
# else
# define assert(expr) \
(__ASSERT_VOID_CAST ((expr) ? 0 : \
(__assert_fail (__STRING(expr), __FILE__, __LINE__, \
__ASSERT_FUNCTION), 0)))
# endif
# ifdef __USE_GNU
# if __GNUC_PREREQ (3, 0)
# define assert_perror(errnum) \
(__ASSERT_VOID_CAST (__builtin_expect (!(errnum), 1) ? 0 : \
(__assert_perror_fail ((errnum), __FILE__, __LINE__, \
__ASSERT_FUNCTION), 0)))
# else
# define assert_perror(errnum) \
(__ASSERT_VOID_CAST (!(errnum) ? 0 : \
(__assert_perror_fail ((errnum), __FILE__, __LINE__, \
__ASSERT_FUNCTION), 0)))
# endif
# endif
/* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'
which contains the name of the function currently being defined.