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| author | Matthew Wahab <matthew.wahab@arm.com> | 2015-09-22 09:19:55 +0000 |
|---|---|---|
| committer | Matthew Wahab <mwahab@gcc.gnu.org> | 2015-09-22 09:19:55 +0000 |
| commit | 9cd7b72071d5b1101de6b726391e8ba71a61638f (patch) | |
| tree | 86873c021fe60c2fffb4d16ae53a756647797d52 /gcc/tree-ssa-structalias.c | |
| parent | 9915b1c916b1e6aa0fb7aa738dcc217f5f69b8ef (diff) | |
| download | gcc-9cd7b72071d5b1101de6b726391e8ba71a61638f.zip gcc-9cd7b72071d5b1101de6b726391e8ba71a61638f.tar.gz gcc-9cd7b72071d5b1101de6b726391e8ba71a61638f.tar.bz2 | |
[AArch64] Use atomic instructions for swap and fetch-update operations.
gcc/
2015-09-22 Matthew Wahab <matthew.wahab@arm.com>
* config/aarch64/aarch64-protos.h (aarch64_gen_atomic_ldop):
Declare.
* config/aarch64/aarch64.c (aarch64_emit_atomic_swap): New.
(aarch64_gen_atomic_ldop): New.
(aarch64_split_atomic_op): Fix whitespace and add a comment.
* config/aarch64/atomics.md (UNSPECV_ATOMIC_SWP): New.
(aarch64_compare_and_swap<mode>_lse): Fix some whitespace.
(atomic_exchange<mode>): Replace with an expander.
(aarch64_atomic_exchange<mode>): New.
(aarch64_atomic_exchange<mode>_lse): New.
(aarch64_atomic_<atomic_optab><mode>): Fix some whitespace.
(aarch64_atomic_swp<mode>): New.
gcc/testsuite/
2015-09-22 Matthew Wahab <matthew.wahab@arm.com>
* gcc.target/aarch64/atomic-inst-ops.inc: (TEST_MODEL): New.
(TEST_ONE): New.
* gcc.target/aarch64/atomic-inst-swap.c: New.
From-SVN: r227998
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
0 files changed, 0 insertions, 0 deletions