https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113576
--- Comment #55 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Jakub Jelinek from comment #53)
> Comment on attachment 57424 [details]
> Proposed testsuite patch
>
> As skylake-avx512 is -mavx512{f,cd,bw,dq,vl}, requiring just avx512f
> effective target and testing it at runtime IMHO isn't enough.
> For dg-do run testcases I really think we should avoid those -march=
> options, because it means a lot of other stuff, BMI, LZCNT, ...
I think that addition of
+# if defined(__AVX512VL__)
+ want_level = 7, want_b = bit_AVX512VL;
+# elif defined(__AVX512F__)
+ want_level = 7, want_b = bit_AVX512F;
+# elif defined(__AVX2__)
to check_vect solves all current uses in gcc.dg/vect
