[Bug target/120427] [13/14/15 Regression] "and $0,mem" is generated without -Oz since r12-6106-gef26c151c14a87

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120427

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
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  Attachment #61996|0                           |1
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--- Comment #14 from H.J. Lu <hjl.tools at gmail dot com> ---
Created attachment 61998
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=61998&action=edit
An updated patch

Limit the transformation to legacy integer registers.