diff options
Diffstat (limited to 'nptl/sysdeps/ia64/bits/atomic.h')
| -rw-r--r-- | nptl/sysdeps/ia64/bits/atomic.h | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/nptl/sysdeps/ia64/bits/atomic.h b/nptl/sysdeps/ia64/bits/atomic.h index cfccc6ad71..fab23076cd 100644 --- a/nptl/sysdeps/ia64/bits/atomic.h +++ b/nptl/sysdeps/ia64/bits/atomic.h @@ -76,20 +76,22 @@ typedef uintmax_t uatomic_max_t; __val = *__memp; \ if (sizeof (*mem) == 4) \ do \ - __oldval = __val; \ - while ((__val \ - = __arch_compare_and_exchange_32_val_acq (__memp, \ - __oldval + __value, \ - __oldval)) \ - != __oldval); \ + { \ + __oldval = __val; \ + __val = __arch_compare_and_exchange_32_val_acq (__memp, \ + __oldval + __value, \ + __oldval); \ + } \ + while (__builtin_expect (__val != __oldval, 0)); \ else if (sizeof (*mem) == 8) \ do \ - __oldval = __val; \ - while ((__val \ - = __arch_compare_and_exchange_64_val_acq (__memp, \ - __oldval + __value, \ - __oldval)) \ - != __oldval); \ + { \ + __oldval = __val; \ + __val = __arch_compare_and_exchange_64_val_acq (__memp, \ + __oldval + __value, \ + __oldval); \ + } \ + while (__builtin_expect (__val != __oldval, 0)); \ else \ abort (); \ __oldval + __value; }) |