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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /include/atomic.h
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'include/atomic.h')
-rw-r--r--include/atomic.h82
1 files changed, 3 insertions, 79 deletions
diff --git a/include/atomic.h b/include/atomic.h
index d44728b215..8a23f6ee9e 100644
--- a/include/atomic.h
+++ b/include/atomic.h
@@ -1,5 +1,5 @@
/* Internal macros for atomic operations for GNU C Library.
- Copyright (C) 2002, 2003, 2004, 2005, 2006 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.
@@ -108,7 +108,7 @@
__typeof (*(mem)) __value = (newvalue); \
\
do \
- __oldval = *__memp; \
+ __oldval = (*__memp); \
while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp, \
__value, \
__oldval),\
@@ -130,7 +130,7 @@
__typeof (*(mem)) __value = (value); \
\
do \
- __oldval = *__memp; \
+ __oldval = (*__memp); \
while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp, \
__oldval \
+ __value,\
@@ -141,41 +141,6 @@
#endif
-
-#ifndef atomic_max
-# define atomic_max(mem, value) \
- do { \
- __typeof (*(mem)) __oldval; \
- __typeof (mem) __memp = (mem); \
- __typeof (*(mem)) __value = (value); \
- do { \
- __oldval = *__memp; \
- if (__oldval >= __value) \
- break; \
- } while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp, \
- __value, \
- __oldval),\
- 0)); \
- } while (0)
-#endif
-
-#ifndef atomic_min
-# define atomic_min(mem, value) \
- do { \
- __typeof (*(mem)) __oldval; \
- __typeof (mem) __memp = (mem); \
- __typeof (*(mem)) __value = (value); \
- do { \
- __oldval = *__memp; \
- if (__oldval <= __value) \
- break; \
- } while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp, \
- __value, \
- __oldval),\
- 0)); \
- } while (0)
-#endif
-
#ifndef atomic_add
# define atomic_add(mem, value) (void) atomic_exchange_and_add ((mem), (value))
#endif
@@ -273,41 +238,6 @@
__oldval & __mask; })
#endif
-/* Atomically *mem &= mask and return the old value of *mem. */
-#ifndef atomic_and
-# define atomic_and(mem, mask) \
- ({ __typeof (*(mem)) __oldval; \
- __typeof (mem) __memp = (mem); \
- __typeof (*(mem)) __mask = (mask); \
- \
- do \
- __oldval = (*__memp); \
- while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp, \
- __oldval \
- & __mask, \
- __oldval),\
- 0)); \
- \
- __oldval; })
-#endif
-
-/* Atomically *mem |= mask and return the old value of *mem. */
-#ifndef atomic_or
-# define atomic_or(mem, mask) \
- ({ __typeof (*(mem)) __oldval; \
- __typeof (mem) __memp = (mem); \
- __typeof (*(mem)) __mask = (mask); \
- \
- do \
- __oldval = (*__memp); \
- while (__builtin_expect (atomic_compare_and_exchange_bool_acq (__memp, \
- __oldval \
- | __mask, \
- __oldval),\
- 0)); \
- \
- __oldval; })
-#endif
#ifndef atomic_full_barrier
# define atomic_full_barrier() __asm ("" ::: "memory")
@@ -324,12 +254,6 @@
#endif
-#ifndef atomic_forced_read
-# define atomic_forced_read(x) \
- ({ __typeof (x) __x; __asm ("" : "=r" (__x) : "0" (x)); __x; })
-#endif
-
-
#ifndef atomic_delay
# define atomic_delay() do { /* nothing */ } while (0)
#endif