bfc1eae300
PR libstdc++/3584 * config/cpu/arm/atomicity.h (__exchange_and_add): Don't try to use ASM sequences that don't give us atomic addition operations. Instead just add a comment explaining why it doesn't work. (__atomic_add): Just use __exchange_and_add. (__test_and_set, __always_swap): Delete. From-SVN: r57778 |
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