[Bug target/120375] [14/5/16 Regression] arc: -mcpu=em x >> 31 clobber of CC isn't respected

[roger at nextmovesoftware dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120375

Roger Sayle <roger at nextmovesoftware dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |roger at nextmovesoftware dot 
com
            Summary|arc: -mcpu=em x >> 31       |[14/5/16 Regression] arc:
                   |clobber of CC isn't         |-mcpu=em x >> 31 clobber of
                   |respected                   |CC isn't respected
             Status|UNCONFIRMED                 |NEW
      Known to fail|                            |14.1.0
      Known to work|                            |13.4.0
   Last reconfirmed|                            |2025-11-04
     Ever confirmed|0                           |1

--- Comment #4 from Roger Sayle <roger at nextmovesoftware dot com> ---
My apologies for the inconvenience.  I hadn't realized that the _nobs variants
need to describe the potential CC/LP side-effects before split1/reload.
I can't approve anything, but I like Keith's (and Loeka's) latest patch at
https://gcc.gnu.org/pipermail/gcc-patches/2025-November/699621.html