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arch: arc: remove custom atomic operations

* arc gcc toolchain has builtin atomic operations,
  use them to make things simpler

Signed-off-by: Wayne Ren <>
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vonhust authored and andrewboie committed Jul 31, 2019
1 parent 1514c41 commit 48b4ad4b33ab169fc59bf2e8b1a8ea90f56086be
Showing with 0 additions and 423 deletions.
  1. +0 −1 arch/arc/core/CMakeLists.txt
  2. +0 −422 arch/arc/core/atomic.S
@@ -23,6 +23,5 @@ zephyr_library_sources_ifdef(CONFIG_CACHE_FLUSHING cache.c)
zephyr_library_sources_ifdef(CONFIG_ARC_FIRQ fast_irq.S)

zephyr_library_sources_ifdef(CONFIG_ATOMIC_OPERATIONS_CUSTOM atomic.S)
add_subdirectory_ifdef(CONFIG_ARC_CORE_MPU mpu)
zephyr_library_sources_ifdef(CONFIG_USERSPACE userspace.S)

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