https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92225
--- Comment #6 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Richard Biener from comment #5)
> (define_expand "reduc_plus_scal_<mode>"
> [(plus:REDUC_PLUS_MODE
> (match_operand:<ssescalarmode> 0 "register_operand")
> (match_operand:REDUC_PLUS_MODE 1 "register_operand"))]
> ""
> {
>
> simply in need of constraining for this mode?
This. V2DImode of REDUC_SSE_SMINMAX_MODE should be conditional on
TARGET_SSE4_2.
