Jinsong Ji
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f3ef4f5bff
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[PowerPC] Add XL compat __compare_and_swap builtins
Prototype
int __compare_and_swap (volatile int* addr, int* old_val_addr, int
new_val);
int __compare_and_swaplp (volatile long* addr, long* old_val_addr, long
new_val);
Refer to
https://www.ibm.com/docs/en/xl-c-and-cpp-aix/16.1?topic=functions-compare-swap-compare-swaplp
Reviewed By: w2yehia
Differential Revision: https://reviews.llvm.org/D104837
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2021-06-25 01:08:48 +00:00 |