https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84786
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |wrong-code
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2018-03-12
Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Ah, I see the bug:
(define_insn "sse2_loadhpd"
[(set (match_operand:V2DF 0 "nonimmediate_operand"
"=x,v,x,v,o,o ,o")
(vec_concat:V2DF
(vec_select:DF
(match_operand:V2DF 1 "nonimmediate_operand"
" 0,v,0,v,0,0 ,0")
(parallel [(const_int 0)]))
(match_operand:DF 2 "nonimmediate_operand"
" m,m,x,v,x,*f,r")))]
While V2DFmode won't be put into %xmm16-%xmm31 without TARGET_AVX512VL, DFmode
can be, so we need an avx512vl alternative for the v for the last operand and
another one with x for avx/avx2/avx512f etc. without avx512vl.
