| commit | 0ef881ce9568e1c2e98351fdc067bebbc8c4696a | |
| author | Vineet Gupta <Vineet.Gupta1@synopsys.com> | |
| Tue, 8 Nov 2016 00:31:38 +0000 (7 16:31 -0800) | ||
| committer | Waldemar Brodkorb <wbx@uclibc-ng.org> | |
| Sun, 13 Nov 2016 12:44:35 +0000 (13 13:44 +0100) | ||
| tree | 40d30d60a00e117852f5cf39afdf470323f9fe1e | treesnapshot (tar.gz zip) |
| parent | f6cfc2129c6902410619f6cba56022af2977b6a3 | commitdiff |
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>
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>
| libc/sysdeps/linux/arc/bits/atomic.h | diffblobblamehistory |