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authorVineet Gupta <Vineet.Gupta1@synopsys.com>2016-11-07 16:31:38 -0800
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2016-11-13 13:44:35 +0100
commit0ef881ce9568e1c2e98351fdc067bebbc8c4696a (patch)
tree40d30d60a00e117852f5cf39afdf470323f9fe1e /.gitignore
parentf6cfc2129c6902410619f6cba56022af2977b6a3 (diff)
NPTL/ARC: implement __arch_exchange_32_acq using native EX
ARC EX instruction maps directly to this primitive, thus helps elide the llock/scond based retry loop where possible. Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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