[Bug target/125180] [16/17 Regression] Conditions based on volatile reads may result in undersized accesses on x86

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125180

--- Comment #4 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Jakub Jelinek from comment #3)
> So do we want && (!MEM_P (operands[2]) || !MEM_VOLATILE_P (operands[2]))
> added here and perhaps to similar splitters?
Yes. Changes to volatile mem operands should be avoided.