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From: "ro at CeBiTec dot Uni-Bielefeld.DE" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug testsuite/102946] [12 Regression] gcc.dg/vect/pr101145_1.c etc.
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Date: Wed, 27 Oct 2021 09:41:17 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102946

--- Comment #4 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot U=
ni-Bielefeld.DE> ---
> --- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
> Very likely might be fixed with properly aligning the data like with addi=
ng
>
>  a =3D __builtin_assume_aligned (a, __BIGGEST_ALIGNMENT__);
>  b =3D __builtin_assume_aligned (b, __BIGGEST_ALIGNMENT__);
>
> at the top of each function in pr101145.inc - note the global variables
> would then need a similar aligned attribute for correctness.
>
> Rainer, if you can manage to test this and that works such change is
> pre-approved.

While this fixes the 64-bit SPARC case, the 32-bit failures remain.
pr101145_1.c dump attached.=