[Bug middle-end/80283] [5/6/7/8 Regression] bad SIMD register allocation

[shatz at dsit dot co.il]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80283

shatz at dsit dot co.il changed:

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--- Comment #16 from shatz at dsit dot co.il ---
I still think that effect of tree-ter is accidental and relatively unimportant.
Very similar problems with SIMD register allocation could easily happen without
tree-ter, as demonstrated by 3 out of 4 cases of bad register allocation
presented in this thread.

It seems to me that the problem shall be handled in the back-end rather than
middle-end (not sure that I got your terminology about various "ends" right).