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| author | Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> | 2018-07-16 09:03:48 +0000 |
|---|---|---|
| committer | Ramana Radhakrishnan <ramana@gcc.gnu.org> | 2018-07-16 09:03:48 +0000 |
| commit | 1d896f48fa2f796ba13773ab735ef40fa3afb257 (patch) | |
| tree | 17ea03841defea45b8b99cd9fe0b7b230caa8700 | |
| parent | 5e5ef52c23448a0c4c4be3f2093470c990c8c01f (diff) | |
| download | gcc-1d896f48fa2f796ba13773ab735ef40fa3afb257.zip gcc-1d896f48fa2f796ba13773ab735ef40fa3afb257.tar.gz gcc-1d896f48fa2f796ba13773ab735ef40fa3afb257.tar.bz2 | |
[Patch AArch64] Add early clobber for aarch64_store_exclusive.
From-SVN: r262686
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/aarch64/atomics.md | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5ed47c1..3e394ae 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2018-07-16 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> + + * config/aarch64/atomics.md (aarch64_store_execlusive<mode>): Add + early clobber. + 2018-07-16 Eric Botcazou <ebotcazou@adacore.com> PR tree-optimization/86514 diff --git a/gcc/config/aarch64/atomics.md b/gcc/config/aarch64/atomics.md index 68dc65c..cd8c44e 100644 --- a/gcc/config/aarch64/atomics.md +++ b/gcc/config/aarch64/atomics.md @@ -530,7 +530,7 @@ ) (define_insn "aarch64_store_exclusive<mode>" - [(set (match_operand:SI 0 "register_operand" "=r") + [(set (match_operand:SI 0 "register_operand" "=&r") (unspec_volatile:SI [(const_int 0)] UNSPECV_SX)) (set (match_operand:ALLI 1 "aarch64_sync_memory_operand" "=Q") (unspec_volatile:ALLI |