[Bug tree-optimization/107090] [aarch64] sequence logic should be combined with mul and umulh

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107090

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Depends on|                            |103216

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to vfdff from comment #5)
> Created attachment 53684 [details]
> Add A ? B + CST : B match and simplify optimizations
> 
> Fix the 1st issue of the pattern match

There is a generic way of implementing this which I had posted at
https://gcc.gnu.org/pipermail/gcc-patches/2021-November/584411.html (you can
finish up that patch if you want).


Referenced Bugs:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103216
[Bug 103216] missed optimization, phiopt/vrp?