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

[hjl.tools at gmail dot com via Gcc-bugs]

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

--- Comment #30 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Uroš Bizjak from comment #29)
> (In reply to H.J. Lu from comment #28)
> > 29_atomics/atomic_ref/wait_notify.c has the same issue on Linux/x86-64 with
> > -m32:
> 
> Are you sure? The mentioned peephole2 patterns now emit only x87 or SSE
> DFmode loads/stores that are guaranteed to be atomic.

It does happen, but not very often.