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| author | ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-03-25 14:41:37 +0000 |
|---|---|---|
| committer | ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-03-25 14:41:37 +0000 |
| commit | 47d66364a7e26ab82bec02b9432654aa26114742 (patch) | |
| tree | cdf161b0c85b58ca6485f683a6aee55bcc1831f4 /libjava/classpath/gnu/java/beans/decoder/package.html | |
| parent | 087a99ba8749638f86c111f776ed326b3fbd97c0 (diff) | |
| download | ppe42-gcc-47d66364a7e26ab82bec02b9432654aa26114742.tar.gz ppe42-gcc-47d66364a7e26ab82bec02b9432654aa26114742.zip | |
2013-03-25 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/arm/arm.c (arm_emit_load_exclusive): Add acq parameter.
Emit load-acquire versions when acq is true.
(arm_emit_store_exclusive): Add rel parameter.
Emit store-release versions when rel is true.
(arm_split_compare_and_swap): Use acquire-release instructions
instead.
of barriers when appropriate.
(arm_split_atomic_op): Likewise.
* config/arm/arm.h (TARGET_HAVE_LDACQ): New macro.
* config/arm/unspecs.md (VUNSPEC_LAX): New unspec.
(VUNSPEC_SLX): Likewise.
(VUNSPEC_LDA): Likewise.
(VUNSPEC_STL): Likewise.
* config/arm/sync.md (atomic_load<mode>): New pattern.
(atomic_store<mode>): Likewise.
(arm_load_acquire_exclusive<mode>): Likewise.
(arm_load_acquire_exclusivesi): Likewise.
(arm_load_acquire_exclusivedi): Likewise.
(arm_store_release_exclusive<mode>): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@197046 138bc75d-0d04-0410-961f-82ee72b054a4
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