OpenE2K
/
glibc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Fix a few unused definitions.

This commit is contained in:
Ulrich Drepper 2003-03-07 18:34:43 +00:00
parent 6326c93cfd
commit 0a0ee8be8f
1 changed files with 27 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

47
nptl/sysdeps/i386/i486/bits/atomic.h
View File

@ -121,26 +121,35 @@ typedef uintmax_t uatomic_max_t;
#define atomic_exchange_and_add(mem, value) \
({ __typeof (*mem) result; \
__typeof (value) addval = (value); \
if (sizeof (*mem) == 1) \
__asm __volatile (LOCK "xaddb %b0, %1" \
: "=r" (result), "=m" (*mem) \
: "0" (value), "1" (*mem)); \
{ \
__asm __volatile (LOCK "xaddb %b0, %1" \
: "=r" (result), "=m" (*mem) \
: "0" (addval), "1" (*mem)); \
result += addval; \
} \
else if (sizeof (*mem) == 2) \
__asm __volatile (LOCK "xaddw %w0, %1" \
: "=r" (result), "=m" (*mem) \
: "0" (value), "1" (*mem)); \
{ \
__asm __volatile (LOCK "xaddw %w0, %1" \
: "=r" (result), "=m" (*mem) \
: "0" (addval), "1" (*mem)); \
result += addval; \
} \
else if (sizeof (*mem) == 4) \
__asm __volatile (LOCK "xaddl %0, %1" \
: "=r" (result), "=m" (*mem) \
: "0" (value), "1" (*mem)); \
{ \
__asm __volatile (LOCK "xaddl %0, %1" \
: "=r" (result), "=m" (*mem) \
: "0" (addval), "1" (*mem)); \
result += addval; \
} \
else \
{ \
__typeof (value) addval = (value); \
__typeof (*mem) oldval; \
__typeof (mem) memp = (mem); \
do \
result = (oldval = *memp) + addval; \
while (! __arch_compare_and_exchange_64_acq (memp, result, oldval)); \
while (__arch_compare_and_exchange_64_acq (memp, result, oldval)); \
} \
result; })
@ -169,9 +178,9 @@ typedef uintmax_t uatomic_max_t;
__typeof (mem) memp = (mem); \
do \
oldval = *memp; \
while (! __arch_compare_and_exchange_64_acq (memp, \
oldval + addval, \
oldval)); \
while (__arch_compare_and_exchange_64_acq (memp, \
oldval + addval, \
oldval)); \
} \
})
@ -233,9 +242,8 @@ typedef uintmax_t uatomic_max_t;
__typeof (mem) memp = (mem); \
do \
oldval = *memp; \
while (! __arch_compare_and_exchange_64_acq (memp, \
oldval + 1, \
oldval)); \
while (__arch_compare_and_exchange_64_acq (memp, oldval + 1, \
oldval)); \
} \
})
@ -278,9 +286,8 @@ typedef uintmax_t uatomic_max_t;
__typeof (mem) memp = (mem); \
do \
oldval = *memp; \
while (! __arch_compare_and_exchange_64_acq (memp, \
oldval - 1, \
oldval)); \
while (__arch_compare_and_exchange_64_acq (memp, oldval - 1, \
oldval)); \
} \
})