[Bug target/122762] [16 Regression] various SPECCPU 2017 benchmark ICEs with in prepare_vec_mask, at tree-vect-stmts.cc:1622

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122762

--- Comment #19 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Richard Biener from comment #18)
> so here we have a simdclone with 'unsigned int' vector_type for its
> SIMD_CLONE_ARG_TYPE_MASK.  That's unexpected.

That is a normal expected case, that just means that the mask argument is
passed
as bits inside of unsigned int (ncopies unsigned int arguments in particular,
each one
holding simdlen / ncopies bits).  See the above omp-simd-clone.cc code which
sets it up that way.