Jonas Paulsson 7334b3dc3e [SystemZ] Reimplement the i8/i16 compare-and-swap logic. ...

Even though the implementation in emitAtomicCmpSwapW() was correct, it made
Valgrind report an error. Instead of using a RISBG on CmpVal, an LL[CH]R can
be made on the OldVal, and the problem is avoided.

Review: Ulrich Weigand

Differential Revision: https://reviews.llvm.org/D97604

2021-03-03 14:04:32 -06:00

322 KiB

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