[Bug tree-optimization/122943] [14/15/16 Regression] Wrong code for switch on int64_t on ilp32 targets at -O2

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122943

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
             Target|                            |ilp32
   Target Milestone|---                         |14.4
   Last reconfirmed|                            |2025-12-01
            Summary|[14/15 Regression] Wrong    |[14/15/16 Regression] Wrong
                   |code for switch on int64_t  |code for switch on int64_t
                   |on 32-bit ARM at -O2        |on ilp32 targets at -O2
     Ever confirmed|0                           |1
           Keywords|                            |wrong-code

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed. Also a bug on x86_64 with -m32.

In GCC 13 switchconv used `  _7 = (long long unsigned int) val_3(D);`
While in GCC 14+ uses `  _7 = (sizetype) val_3(D);`

Which is wrong for ilp32 targets.