[Bug rtl-optimization/103550] New: 2 more instructions generated by gcc than clang

[unlvsur at live dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103550

            Bug ID: 103550
           Summary: 2 more instructions generated by gcc than clang
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: unlvsur at live dot com
  Target Milestone: ---

GCC
https://godbolt.org/z/Y5W3xfeao
clang
https://godbolt.org/z/8EW6v77PP

GCC generates 2 more instructions. why?