[Bug target/85683] [8/9 Regression] GCC 8 stopped using RMW (Read Modify Write) instructions on x86[_64]

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85683

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Priority|P3                          |P2