[Bug target/100182] [8/9/10/11/12 Regression] Miscompilation of atomic_float/1.cc and atomic_float/wait_notify.cc on i686

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100182

--- Comment #14 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Uroš Bizjak from comment #13)

> DFmode loads and stores *are* atomic, this is what the optimization is based
> on.

Loads and stores to/from x87 and SSE registers, to be clear.