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| author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2014-11-25 14:32:54 -0500 |
|---|---|---|
| committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2014-11-26 07:06:28 -0500 |
| commit | 704f794714704ba430d84d10d6809acaf7ca59bf (patch) | |
| tree | 753816581f7d1f54d4af4921d776077b31a9a4e4 /ChangeLog | |
| parent | cdcb42d7f786fe5ee1ca60065924d0b5c6649dd0 (diff) | |
| download | glibc-704f794714704ba430d84d10d6809acaf7ca59bf.zip glibc-704f794714704ba430d84d10d6809acaf7ca59bf.tar.gz glibc-704f794714704ba430d84d10d6809acaf7ca59bf.tar.bz2 | |
powerpc: Fix missing barriers in atomic_exchange_and_add_{acq,rel}
On powerpc, atomic_exchange_and_add is implemented without any
barriers. This patchs adds the missing instruction and memory barrier
for acquire and release semanthics.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 16 |
1 files changed, 16 insertions, 0 deletions
@@ -1,3 +1,19 @@ +2014-11-26 Adhemerval Zanella <azanella@linux.ibm.com> + + * csu/tst-atomic.c (do_test): Add atomic_exchange_and_add_{acq,rel} + tests. + * sysdeps/powerpc/bits/atomic.h + (__arch_atomic_exchange_and_add_32_acq): Add definition. + (__arch_atomic_exchange_and_add_32_rel): Likewise. + (atomic_exchange_and_add_acq): Likewise. + (atomic_exchange_and_add_rel): Likewise. + * sysdeps/powerpc/powerpc32/bits/atomic.h + (__arch_atomic_exchange_and_add_64_acq): Add definition. + (__arch_atomic_exchange_and_add_64_rel): Likewise. + * sysdeps/powerpc/powerpc64/bits/atomic.h + (__arch_atomic_exchange_and_add_64_acq): Add definition. + (__arch_atomic_exchange_and_add_64_rel): Likewise. + 2014-11-26 Torvald Riegel <triegel@redhat.com> * nptl/tpp.c (__init_sched_fifo_prio, __pthread_tpp_change_priority): |