diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2003-03-07 18:34:43 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-03-07 18:34:43 +0000 |
| commit | 0a0ee8be8f5e1caf73f7801b6cfdde56f23a63d5 (patch) | |
| tree | f5ff825ee1399a07039cb90da02d7c8330e70cc9 /nptl/sysdeps/i386 | |
| parent | 6326c93cfd7bba8e0abd9f306ae9161294b2620f (diff) | |
Fix a few unused definitions.
Diffstat (limited to 'nptl/sysdeps/i386')
| -rw-r--r-- | nptl/sysdeps/i386/i486/bits/atomic.h | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/nptl/sysdeps/i386/i486/bits/atomic.h b/nptl/sysdeps/i386/i486/bits/atomic.h index 5d27326825..80a49872e1 100644 --- a/nptl/sysdeps/i386/i486/bits/atomic.h +++ b/nptl/sysdeps/i386/i486/bits/atomic.h @@ -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)); \ } \ }) |