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(atomic_add): Fix test for using atomic_decrement.

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This commit is contained in:
Ulrich Drepper 2004-01-17 18:35:16 +00:00
parent 1db88b33da
commit eed242a60f
1 changed files with 2 additions and 2 deletions
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4
sysdeps/i386/i486/bits/atomic.h
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@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -169,7 +169,7 @@ typedef uintmax_t uatomic_max_t;
#define atomic_add(mem, value) \
(void) ({ if (__builtin_constant_p (value) && (value) == 1) \
atomic_increment (mem); \
else if (__builtin_constant_p (value) && (value) == 1) \
else if (__builtin_constant_p (value) && (value) == -1) \
atomic_decrement (mem); \
else if (sizeof (*mem) == 1) \
__asm __volatile (LOCK_PREFIX "addb %b1, %0" \