[Bug tree-optimization/82847] [8 regression] gcc.dg/vect/slp-perm-9.c fail

rguenther at suse dot de gcc-bugzilla@gcc.gnu.org
Wed Nov 22 08:54:00 GMT 2017


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82847

--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> ---
On Tue, 21 Nov 2017, rsandifo at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82847
> 
> rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                  CC|                            |rsandifo at gcc dot gnu.org
> 
> --- Comment #3 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> ---
> Isn't the problem here that vect_perm_byte and vect_perm_short don't return
> true for x86_64, even though the patterns seem to be there in sse.md?

vect_perm_byte is only available with SSEn+

The test only uses vect_perm_short though.


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