[Bug rtl-optimization/104438] Combine optimization opportunity exposed after pro_and_epilogue

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104438

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |rsandifo at gcc dot gnu.org,
                   |                            |segher at gcc dot gnu.org
          Component|target                      |rtl-optimization

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
I'm not sure if passes like combine or fwprop would work well after RA but I'm
quite sure that moving prologue/epilogue generation and shrink-wrapping before
RA will not ;)