[Bug rtl-optimization/127948] [x86_64-w64-mingw32] wrong code: REE keeps a sign-extended value in the upper half of ymm6 across calls

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127948

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

           What    |Removed                     |Added
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             Target|x86_64-linux-gnu            |x86_64-mingw
          Component|target                      |rtl-optimization

--- Comment #1 from Drea Pinski <pinskia at gcc dot gnu.org> ---
>**Why we think it is the REE pass.**

ix86_hard_regno_call_part_clobbered should causing the correct thing.

It might be that REE is not taking that account.