Implement the MI atomic API for PowerPC to avoid using gcc builtins that
authormpi <mpi@openbsd.org>
Wed, 22 Apr 2015 06:39:03 +0000 (06:39 +0000)
committermpi <mpi@openbsd.org>
Wed, 22 Apr 2015 06:39:03 +0000 (06:39 +0000)
commit64a1b3614f5a5a739b38ed775790c0f6f7dbfa9b
treeec0c0c3bb9b0412d6a5fd313dd9a778768a7c342
parent4c8149b6055b54ad6b58877e9aba939d96fa255f
Implement the MI atomic API for PowerPC to avoid using gcc builtins that
include extra sync operations.

ok kettenis@
sys/arch/powerpc/include/atomic.h